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var unityFramework = (() => {
  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
  
  return (
function(unityFramework = {})  {

var Module = typeof unityFramework != "undefined" ? unityFramework : {};

var readyPromiseResolve, readyPromiseReject;

Module["ready"] = new Promise((resolve, reject) => {
 readyPromiseResolve = resolve;
 readyPromiseReject = reject;
});

[ "_main", "getExceptionMessage", "___get_exception_message", "_free", "___cpp_exception", "___cxa_increment_exception_refcount", "___cxa_decrement_exception_refcount", "___thrown_object_from_unwind_exception", "_GetFakemodTimeInSeconds", "_ReleaseKeys", "_GetCopyBufferAsCStr", "_getMetricsInfo", "_SendMessageNumber", "_SendMessageString", "_SendMessage", "_SetFullscreen", "_ConnectToProfiler", "_StopProfiling", "_IsConnectedToProfiler", "_SendPasteEvent", "_fflush", "onRuntimeInitialized" ].forEach(prop => {
 if (!Object.getOwnPropertyDescriptor(Module["ready"], prop)) {
  Object.defineProperty(Module["ready"], prop, {
   get: () => abort("You are getting " + prop + " on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js"),
   set: () => abort("You are setting " + prop + " on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")
  });
 }
});




let screenAnimationFrameRate = 60;

(function() {
 const defaultDelta = 1e3 / 60;
 const deltaTimes = Array(60).fill(defaultDelta);
 const deltaTimeSums = Array(60).fill(1e3);
 const startTime = performance.now();
 requestAnimationFrame(() => rafUpdateLoop(0, startTime, performance.now()));
 function rafUpdateLoop(index, prevTime, currTime) {
  const frameRate = computeAnimationFrameRate(index, prevTime, currTime);
  if (frameRate !== undefined) {
   screenAnimationFrameRate = frameRate;
  }
  requestAnimationFrame(() => rafUpdateLoop((index + 1) % 60, currTime, performance.now()));
 }
 function computeAnimationFrameRate(index, prevTime, currTime) {
  const deltaTime = currTime - prevTime;
  const prevIndex = (index + 59) % 60;
  const deltaTimeSum = deltaTimeSums[prevIndex] - deltaTimes[index] + deltaTime;
  deltaTimes[index] = deltaTime;
  deltaTimeSums[index] = deltaTimeSum;
  const min = Math.min(...deltaTimes);
  const max = Math.max(...deltaTimes);
  const minSum = Math.min(...deltaTimeSums);
  const maxSum = Math.max(...deltaTimeSums);
  if (max < min + 3 && maxSum < minSum + 8) {
   const deltaTimeAvg = deltaTimeSums[index] / 60;
   let frameRate = 1e3 / deltaTimeAvg | 0;
   const comparisonFrameRates = [ 75, 144, 165, Math.round((frameRate + 5) / 10) * 10 ];
   for (let i = 0; i < comparisonFrameRates.length; ++i) {
    if (Math.abs(frameRate - comparisonFrameRates[i]) < 2) frameRate = comparisonFrameRates[i];
   }
   return frameRate;
  } else {
   return undefined;
  }
 }
})();

var stackTraceReference = "(^|\\n)(\\s+at\\s+|)jsStackTrace(\\s+\\(|@)([^\\n]+):\\d+:\\d+(\\)|)(\\n|$)";

var stackTraceReferenceMatch = jsStackTrace().match(new RegExp(stackTraceReference));

if (stackTraceReferenceMatch) Module.stackTraceRegExp = new RegExp(stackTraceReference.replace("([^\\n]+)", stackTraceReferenceMatch[4].replace(/[\\^${}[\]().*+?|]/g, "\\$&")).replace("jsStackTrace", "[^\\n]+"));

var abort = function(what) {
 if (ABORT) return;
 ABORT = true;
 EXITSTATUS = 1;
 if (typeof ENVIRONMENT_IS_PTHREAD !== "undefined" && ENVIRONMENT_IS_PTHREAD) console.error("Pthread aborting at " + new Error().stack);
 if (what !== undefined) {
  out(what);
  err(what);
  what = what instanceof Error ? what.toString() : JSON.stringify(what);
 } else {
  what = "";
 }
 var message = "abort(" + what + ") at " + stackTrace();
 if (Module.abortHandler && Module.abortHandler(message)) return;
 throw message;
};

Module["SetFullscreen"] = function(fullscreen) {
 if (typeof runtimeInitialized === "undefined" || !runtimeInitialized) {
  console.log("Runtime not initialized yet.");
 } else if (typeof JSEvents === "undefined") {
  console.log("Player not loaded yet.");
 } else {
  var tmp = JSEvents.canPerformEventHandlerRequests;
  JSEvents.canPerformEventHandlerRequests = function() {
   return 1;
  };
  Module.ccall("SetFullscreen", null, [ "number" ], [ fullscreen ]);
  JSEvents.canPerformEventHandlerRequests = tmp;
 }
};

if (!Module["ENVIRONMENT_IS_PTHREAD"]) {
 Module["preRun"].push(function() {
  function injectIndexedDBToAutomaticallyPersist() {
   IDBFS.queuePersist = function(mount) {
    function onPersistComplete() {
     if (mount.idbPersistState === "again") startPersist(); else mount.idbPersistState = 0;
    }
    function startPersist() {
     mount.idbPersistState = "idb";
     IDBFS.syncfs(mount, false, onPersistComplete);
    }
    if (!mount.idbPersistState) {
     mount.idbPersistState = setTimeout(startPersist, 0);
    } else if (mount.idbPersistState === "idb") {
     mount.idbPersistState = "again";
    }
   };
   IDBFS.mount = function(mount) {
    var mnt = MEMFS.mount(mount);
    if (typeof mount !== "undefined" && mount.opts && mount.opts.autoPersist) {
     mnt.idbPersistState = 0;
     var memfs_node_ops = mnt.node_ops;
     mnt.node_ops = Object.assign({}, mnt.node_ops);
     mnt.node_ops.mknod = function(parent, name, mode, dev) {
      var node = memfs_node_ops.mknod(parent, name, mode, dev);
      node.node_ops = mnt.node_ops;
      node.idbfs_mount = mnt.mount;
      node.memfs_stream_ops = node.stream_ops;
      node.stream_ops = Object.assign({}, node.stream_ops);
      node.stream_ops.write = function(stream, buffer, offset, length, position, canOwn) {
       stream.node.isModified = true;
       return node.memfs_stream_ops.write(stream, buffer, offset, length, position, canOwn);
      };
      node.stream_ops.close = function(stream) {
       var n = stream.node;
       if (n.isModified) {
        IDBFS.queuePersist(n.idbfs_mount);
        n.isModified = false;
       }
       if (n.memfs_stream_ops.close) return n.memfs_stream_ops.close(stream);
      };
      return node;
     };
     mnt.node_ops.rmdir = function(parent, name) {
      IDBFS.queuePersist(mnt.mount);
      return memfs_node_ops.rmdir(parent, name);
     };
     mnt.node_ops.unlink = function(parent, name) {
      IDBFS.queuePersist(mnt.mount);
      return memfs_node_ops.unlink(parent, name);
     };
     mnt.node_ops.mkdir = function(path, mode) {
      IDBFS.queuePersist(mnt.mount);
      return memfs_node_ops.mkdir(path, mode);
     };
     mnt.node_ops.symlink = function(parent, newname, oldpath) {
      IDBFS.queuePersist(mnt.mount);
      return memfs_node_ops.symlink(parent, newname, oldpath);
     };
     mnt.node_ops.rename = function(old_node, new_dir, new_name) {
      IDBFS.queuePersist(mnt.mount);
      return memfs_node_ops.rename(old_node, new_dir, new_name);
     };
    }
    return mnt;
   };
  }
  injectIndexedDBToAutomaticallyPersist();
  var unityFileSystemInit = Module["unityFileSystemInit"] || function() {
   FS.mkdir("/idbfs");
   Module.__unityIdbfsMount = FS.mount(IDBFS, {
    autoPersist: !!Module["autoSyncPersistentDataPath"]
   }, "/idbfs");
   Module.addRunDependency("JS_FileSystem_Mount");
   FS.syncfs(true, function(err) {
    if (err) console.log("IndexedDB is not available. Data will not persist in cache and PlayerPrefs will not be saved.");
    Module.removeRunDependency("JS_FileSystem_Mount");
   });
  };
  unityFileSystemInit();
 });
}

var videoInputDevices = [];

var videoInputDevicesSuccessfullyEnumerated = false;

function matchToOldDevice(newDevice) {
 var oldDevices = Object.keys(videoInputDevices);
 for (var i = 0; i < oldDevices.length; ++i) {
  var old = videoInputDevices[oldDevices[i]];
  if (old.deviceId && old.deviceId == newDevice.deviceId) return old;
 }
 for (var i = 0; i < oldDevices.length; ++i) {
  var old = videoInputDevices[oldDevices[i]];
  if (old == newDevice) return old;
 }
 for (var i = 0; i < oldDevices.length; ++i) {
  var old = videoInputDevices[oldDevices[i]];
  if (old.label && old.label == newDevice.label) return old;
 }
 for (var i = 0; i < oldDevices.length; ++i) {
  var old = videoInputDevices[oldDevices[i]];
  if (old.groupId && old.kind && old.groupId == newDevice.groupId && old.kind == newDevice.kind) return old;
 }
}

function assignNewVideoInputId() {
 for (var i = 0; ;++i) {
  if (!videoInputDevices[i]) return i;
 }
}

function updateVideoInputDevices(devices) {
 videoInputDevicesSuccessfullyEnumerated = true;
 var retainedDevices = {};
 var newDevices = [];
 devices.forEach(function(device) {
  if (device.kind === "videoinput") {
   var oldDevice = matchToOldDevice(device);
   if (oldDevice) {
    var updatedOldDevice = oldDevice;
    if (device.isFrontFacing != undefined) {
     updatedOldDevice.isFrontFacing = device.isFrontFacing;
    }
    retainedDevices[oldDevice.id] = updatedOldDevice;
   } else {
    newDevices.push(device);
   }
  }
 });
 videoInputDevices = retainedDevices;
 newDevices.forEach(function(device) {
  if (!device.id) {
   device.id = assignNewVideoInputId();
   device.name = device.label || "Video input #" + (device.id + 1);
   device.isFrontFacing = device.name.toLowerCase().includes("front") || !device.name.toLowerCase().includes("front") && !device.name.toLowerCase().includes("back");
   videoInputDevices[device.id] = device;
  }
 });
}

var mediaDevicesRunDependencyPending = true;

function removeEnumerateMediaDevicesRunDependency() {
 if (!mediaDevicesRunDependencyPending) return;
 mediaDevicesRunDependencyPending = false;
 try {
  removeRunDependency("enumerateMediaDevices");
 } catch (e) {
  Module.startupErrorHandler(e);
 }
}

function queueWebCamDeviceUpdates(devices) {
 devices = devices.filter(device => device.kind === "videoinput");
 var promises = devices.map(function(device) {
  return navigator.mediaDevices.getUserMedia({
   video: {
    deviceId: device.deviceId
   }
  }).then(function(stream) {
   var track = stream.getVideoTracks()[0];
   const capabilities = track.getCapabilities();
   device.isFrontFacing = Array.isArray(capabilities.facingMode) ? capabilities.facingMode.includes("user") : true;
   track.stop();
  }).catch(function(err) {
   var deviceId = device.deviceId ?? "unknown";
   var label = device.label ?? "unknown";
   console.warn(`Device with id: ${deviceId} and label: ${label} failed to update\n ${err}`);
  });
 });
 return promises;
}

function enumerateMediaDeviceList() {
 if (!videoInputDevices) return;
 navigator.mediaDevices.enumerateDevices().then(function(devices) {
  updateVideoInputDevices(devices);
  removeEnumerateMediaDevicesRunDependency();
 }).catch(function(e) {
  console.warn("Unable to enumerate media devices: " + e + "\nWebcams will not be available.");
  disableAccessToMediaDevices();
 });
}

function disableAccessToMediaDevices() {
 if (navigator.mediaDevices && navigator.mediaDevices.removeEventListener) {
  navigator.mediaDevices.removeEventListener("devicechange", enumerateMediaDeviceList);
 }
 videoInputDevices = null;
}

Module["disableAccessToMediaDevices"] = disableAccessToMediaDevices;

if (!Module["ENVIRONMENT_IS_PTHREAD"]) {
 if (!navigator.mediaDevices) {
  console.warn("navigator.mediaDevices not supported by this browser. Webcam access will not be available." + (location.protocol == "https:" ? "" : " Try hosting the page over HTTPS, because some browsers disable webcam access when insecure HTTP is being used."));
  disableAccessToMediaDevices();
 } else setTimeout(function() {
  try {
   addRunDependency("enumerateMediaDevices");
   enumerateMediaDeviceList();
   navigator.mediaDevices.addEventListener("devicechange", enumerateMediaDeviceList);
   setTimeout(removeEnumerateMediaDevicesRunDependency, 1e3);
  } catch (e) {
   console.warn("Unable to enumerate media devices: " + e);
   disableAccessToMediaDevices();
  }
 }, 0);
}

Module["ConnectToProfiler"] = function(ipAndPort) {
 const ipAndPortCstr = stringToNewUTF8(ipAndPort);
 _ConnectToProfiler(ipAndPortCstr);
 _free(ipAndPortCstr);
};

Module["StopProfiling"] = function() {
 _StopProfiling();
};

Module["IsConnectedToProfiler"] = function() {
 return !!_IsConnectedToProfiler();
};

function SendMessage(gameObject, func, param) {
 var func_cstr = stringToNewUTF8(func);
 var gameObject_cstr = stringToNewUTF8(gameObject);
 var param_cstr = 0;
 try {
  if (param === undefined) _SendMessage(gameObject_cstr, func_cstr); else if (typeof param === "string") {
   param_cstr = stringToNewUTF8(param);
   _SendMessageString(gameObject_cstr, func_cstr, param_cstr);
  } else if (typeof param === "number") _SendMessageNumber(gameObject_cstr, func_cstr, param); else throw "" + param + " is does not have a type which is supported by SendMessage.";
 } finally {
  _free(param_cstr);
  _free(gameObject_cstr);
  _free(func_cstr);
 }
}

Module["SendMessage"] = SendMessage;

var _resolvePlayerIsInitialized;

var _playerIsInitializedPromise = new Promise(function(resolve) {
 _resolvePlayerIsInitialized = resolve;
});

function _WaitForInitialization() {
 return _playerIsInitializedPromise;
}

Module["WebPlayer"] = {
 PlayerIsInitialized: _resolvePlayerIsInitialized,
 WaitForInitialization: _WaitForInitialization
};

var moduleOverrides = Object.assign({}, Module);

var arguments_ = [];

var thisProgram = "./this.program";

var quit_ = (status, toThrow) => {
 throw toThrow;
};

var ENVIRONMENT_IS_WEB = true;

var ENVIRONMENT_IS_WORKER = false;

var ENVIRONMENT_IS_NODE = false;

var ENVIRONMENT_IS_SHELL = false;

if (Module["ENVIRONMENT"]) {
 throw new Error("Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)");
}

var scriptDirectory = "";

function locateFile(path) {
 if (Module["locateFile"]) {
  return Module["locateFile"](path, scriptDirectory);
 }
 return scriptDirectory + path;
}

var read_, readAsync, readBinary, setWindowTitle;

if (ENVIRONMENT_IS_SHELL) {
 if (typeof process == "object" && typeof require === "function" || typeof window == "object" || typeof importScripts == "function") throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
 if (typeof read != "undefined") {
  read_ = f => {
   return read(f);
  };
 }
 readBinary = f => {
  let data;
  if (typeof readbuffer == "function") {
   return new Uint8Array(readbuffer(f));
  }
  data = read(f, "binary");
  assert(typeof data == "object");
  return data;
 };
 readAsync = (f, onload, onerror) => {
  setTimeout(() => onload(readBinary(f)), 0);
 };
 if (typeof clearTimeout == "undefined") {
  globalThis.clearTimeout = id => {};
 }
 if (typeof scriptArgs != "undefined") {
  arguments_ = scriptArgs;
 } else if (typeof arguments != "undefined") {
  arguments_ = arguments;
 }
 if (typeof quit == "function") {
  quit_ = (status, toThrow) => {
   setTimeout(() => {
    if (!(toThrow instanceof ExitStatus)) {
     let toLog = toThrow;
     if (toThrow && typeof toThrow == "object" && toThrow.stack) {
      toLog = [ toThrow, toThrow.stack ];
     }
     err("exiting due to exception: " + toLog);
    }
    quit(status);
   });
   throw toThrow;
  };
 }
 if (typeof print != "undefined") {
  if (typeof console == "undefined") console = {};
  console.log = print;
  console.warn = console.error = typeof printErr != "undefined" ? printErr : print;
 }
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = self.location.href;
 } else if (typeof document != "undefined" && document.currentScript) {
  scriptDirectory = document.currentScript.src;
 }
 if (_scriptDir) {
  scriptDirectory = _scriptDir;
 }
 if (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 if (!(typeof window == "object" || typeof importScripts == "function")) throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
 {
  read_ = url => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, false);
   xhr.send(null);
   return xhr.responseText;
  };
  if (ENVIRONMENT_IS_WORKER) {
   readBinary = url => {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    xhr.responseType = "arraybuffer";
    xhr.send(null);
    return new Uint8Array(xhr.response);
   };
  }
  readAsync = (url, onload, onerror) => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, true);
   xhr.responseType = "arraybuffer";
   xhr.onload = () => {
    if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
     onload(xhr.response);
     return;
    }
    onerror();
   };
   xhr.onerror = onerror;
   xhr.send(null);
  };
 }
 setWindowTitle = title => document.title = title;
} else {
 throw new Error("environment detection error");
}

var out = Module["print"] || console.log.bind(console);

var err = Module["printErr"] || console.error.bind(console);

Object.assign(Module, moduleOverrides);

moduleOverrides = null;

checkIncomingModuleAPI();

if (Module["arguments"]) arguments_ = Module["arguments"];

legacyModuleProp("arguments", "arguments_");

if (Module["thisProgram"]) thisProgram = Module["thisProgram"];

legacyModuleProp("thisProgram", "thisProgram");

if (Module["quit"]) quit_ = Module["quit"];

legacyModuleProp("quit", "quit_");

assert(typeof Module["memoryInitializerPrefixURL"] == "undefined", "Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");

assert(typeof Module["pthreadMainPrefixURL"] == "undefined", "Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");

assert(typeof Module["cdInitializerPrefixURL"] == "undefined", "Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");

assert(typeof Module["filePackagePrefixURL"] == "undefined", "Module.filePackagePrefixURL option was removed, use Module.locateFile instead");

assert(typeof Module["read"] == "undefined", "Module.read option was removed (modify read_ in JS)");

assert(typeof Module["readAsync"] == "undefined", "Module.readAsync option was removed (modify readAsync in JS)");

assert(typeof Module["readBinary"] == "undefined", "Module.readBinary option was removed (modify readBinary in JS)");

assert(typeof Module["setWindowTitle"] == "undefined", "Module.setWindowTitle option was removed (modify setWindowTitle in JS)");

assert(typeof Module["TOTAL_MEMORY"] == "undefined", "Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");

legacyModuleProp("read", "read_");

legacyModuleProp("readAsync", "readAsync");

legacyModuleProp("readBinary", "readBinary");

legacyModuleProp("setWindowTitle", "setWindowTitle");

var PROXYFS = "PROXYFS is no longer included by default; build with -lproxyfs.js";

var WORKERFS = "WORKERFS is no longer included by default; build with -lworkerfs.js";

var NODEFS = "NODEFS is no longer included by default; build with -lnodefs.js";

assert(!ENVIRONMENT_IS_WORKER, "worker environment detected but not enabled at build time.  Add 'worker' to `-sENVIRONMENT` to enable.");

assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time.  Add 'node' to `-sENVIRONMENT` to enable.");

assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time.  Add 'shell' to `-sENVIRONMENT` to enable.");

var wasmBinary;

if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];

legacyModuleProp("wasmBinary", "wasmBinary");

var noExitRuntime = Module["noExitRuntime"] || true;

legacyModuleProp("noExitRuntime", "noExitRuntime");

if (typeof WebAssembly != "object") {
 abort("no native wasm support detected");
}

var wasmMemory;

var ABORT = false;

var EXITSTATUS;

function assert(condition, text) {
 if (!condition) {
  abort("Assertion failed" + (text ? ": " + text : ""));
 }
}

var HEAP, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAP64, HEAPU64, HEAPF64;

function updateMemoryViews() {
 var b = wasmMemory.buffer;
 Module["HEAP8"] = HEAP8 = new Int8Array(b);
 Module["HEAP16"] = HEAP16 = new Int16Array(b);
 Module["HEAP32"] = HEAP32 = new Int32Array(b);
 Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
 Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
 Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
 Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
 Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
 Module["HEAP64"] = HEAP64 = new BigInt64Array(b);
 Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b);
}

assert(!Module["STACK_SIZE"], "STACK_SIZE can no longer be set at runtime.  Use -sSTACK_SIZE at link time");

assert(typeof Int32Array != "undefined" && typeof Float64Array !== "undefined" && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, "JS engine does not provide full typed array support");

assert(!Module["wasmMemory"], "Use of `wasmMemory` detected.  Use -sIMPORTED_MEMORY to define wasmMemory externally");

assert(!Module["INITIAL_MEMORY"], "Detected runtime INITIAL_MEMORY setting.  Use -sIMPORTED_MEMORY to define wasmMemory dynamically");

var wasmTable;

function writeStackCookie() {
 var max = _emscripten_stack_get_end();
 assert((max & 3) == 0);
 if (max == 0) {
  max += 4;
 }
 HEAPU32[max >>> 2] = 34821223;
 HEAPU32[max + 4 >>> 2] = 2310721022;
 HEAPU32[0 >>> 0] = 1668509029;
}

function checkStackCookie() {
 if (ABORT) return;
 var max = _emscripten_stack_get_end();
 if (max == 0) {
  max += 4;
 }
 var cookie1 = HEAPU32[max >>> 2];
 var cookie2 = HEAPU32[max + 4 >>> 2];
 if (cookie1 != 34821223 || cookie2 != 2310721022) {
  abort("Stack overflow! Stack cookie has been overwritten at " + ptrToString(max) + ", expected hex dwords 0x89BACDFE and 0x2135467, but received " + ptrToString(cookie2) + " " + ptrToString(cookie1));
 }
 if (HEAPU32[0 >>> 0] !== 1668509029) {
  abort("Runtime error: The application has corrupted its heap memory area (address zero)!");
 }
}

(function() {
 var h16 = new Int16Array(1);
 var h8 = new Int8Array(h16.buffer);
 h16[0] = 25459;
 if (h8[0] !== 115 || h8[1] !== 99) throw "Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)";
})();

var __ATPRERUN__ = [];

var __ATINIT__ = [];

var __ATMAIN__ = [];

var __ATEXIT__ = [];

var __ATPOSTRUN__ = [];

var runtimeInitialized = false;

var runtimeKeepaliveCounter = 0;

function keepRuntimeAlive() {
 return noExitRuntime || runtimeKeepaliveCounter > 0;
}

function preRun() {
 if (Module["preRun"]) {
  if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
  while (Module["preRun"].length) {
   addOnPreRun(Module["preRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPRERUN__);
}

function initRuntime() {
 assert(!runtimeInitialized);
 runtimeInitialized = true;
 checkStackCookie();
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
 FS.ignorePermissions = false;
 TTY.init();
 SOCKFS.root = FS.mount(SOCKFS, {}, null);
 callRuntimeCallbacks(__ATINIT__);
}

function preMain() {
 checkStackCookie();
 callRuntimeCallbacks(__ATMAIN__);
}

function postRun() {
 checkStackCookie();
 if (Module["postRun"]) {
  if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
  while (Module["postRun"].length) {
   addOnPostRun(Module["postRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPOSTRUN__);
}

function addOnPreRun(cb) {
 __ATPRERUN__.unshift(cb);
}

function addOnInit(cb) {
 __ATINIT__.unshift(cb);
}

function addOnPreMain(cb) {
 __ATMAIN__.unshift(cb);
}

function addOnExit(cb) {}

function addOnPostRun(cb) {
 __ATPOSTRUN__.unshift(cb);
}

assert(Math.imul, "This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");

assert(Math.fround, "This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");

assert(Math.clz32, "This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");

assert(Math.trunc, "This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");

var runDependencies = 0;

var runDependencyWatcher = null;

var dependenciesFulfilled = null;

var runDependencyTracking = {};

function getUniqueRunDependency(id) {
 var orig = id;
 while (1) {
  if (!runDependencyTracking[id]) return id;
  id = orig + Math.random();
 }
}

function addRunDependency(id) {
 runDependencies++;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (id) {
  assert(!runDependencyTracking[id]);
  runDependencyTracking[id] = 1;
  if (runDependencyWatcher === null && typeof setInterval != "undefined") {
   runDependencyWatcher = setInterval(() => {
    if (ABORT) {
     clearInterval(runDependencyWatcher);
     runDependencyWatcher = null;
     return;
    }
    var shown = false;
    for (var dep in runDependencyTracking) {
     if (!shown) {
      shown = true;
      err("still waiting on run dependencies:");
     }
     err("dependency: " + dep);
    }
    if (shown) {
     err("(end of list)");
    }
   }, 1e4);
  }
 } else {
  err("warning: run dependency added without ID");
 }
}

function removeRunDependency(id) {
 runDependencies--;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (id) {
  assert(runDependencyTracking[id]);
  delete runDependencyTracking[id];
 } else {
  err("warning: run dependency removed without ID");
 }
 if (runDependencies == 0) {
  if (runDependencyWatcher !== null) {
   clearInterval(runDependencyWatcher);
   runDependencyWatcher = null;
  }
  if (dependenciesFulfilled) {
   var callback = dependenciesFulfilled;
   dependenciesFulfilled = null;
   callback();
  }
 }
}

function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 what = "Aborted(" + what + ")";
 err(what);
 ABORT = true;
 EXITSTATUS = 1;
 if (runtimeInitialized) {
  ___trap();
 }
 var e = new WebAssembly.RuntimeError(what);
 readyPromiseReject(e);
 throw e;
}

var dataURIPrefix = "data:application/octet-stream;base64,";

function isDataURI(filename) {
 return filename.startsWith(dataURIPrefix);
}

function isFileURI(filename) {
 return filename.startsWith("file://");
}

function createExportWrapper(name, fixedasm) {
 return function() {
  var displayName = name;
  var asm = fixedasm;
  if (!fixedasm) {
   asm = Module["asm"];
  }
  assert(runtimeInitialized, "native function `" + displayName + "` called before runtime initialization");
  if (!asm[name]) {
   assert(asm[name], "exported native function `" + displayName + "` not found");
  }
  return asm[name].apply(null, arguments);
 };
}

var wasmBinaryFile;

wasmBinaryFile = "build.wasm";

if (!isDataURI(wasmBinaryFile)) {
 wasmBinaryFile = locateFile(wasmBinaryFile);
}

function getBinary(file) {
 try {
  if (file == wasmBinaryFile && wasmBinary) {
   return new Uint8Array(wasmBinary);
  }
  if (readBinary) {
   return readBinary(file);
  }
  throw "both async and sync fetching of the wasm failed";
 } catch (err) {
  abort(err);
 }
}

function getBinaryPromise(binaryFile) {
 if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
  if (typeof fetch == "function") {
   return fetch(binaryFile, {
    credentials: "same-origin"
   }).then(response => {
    if (!response["ok"]) {
     throw "failed to load wasm binary file at '" + binaryFile + "'";
    }
    return response["arrayBuffer"]();
   }).catch(() => getBinary(binaryFile));
  }
 }
 return Promise.resolve().then(() => getBinary(binaryFile));
}

function instantiateArrayBuffer(binaryFile, imports, receiver) {
 return getBinaryPromise(binaryFile).then(binary => {
  return WebAssembly.instantiate(binary, imports);
 }).then(instance => {
  return instance;
 }).then(receiver, reason => {
  err("failed to asynchronously prepare wasm: " + reason);
  if (isFileURI(wasmBinaryFile)) {
   err("warning: Loading from a file URI (" + wasmBinaryFile + ") is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing");
  }
  abort(reason);
 });
}

function instantiateAsync(binary, binaryFile, imports, callback) {
 if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(binaryFile) && typeof fetch == "function") {
  return fetch(binaryFile, {
   credentials: "same-origin"
  }).then(response => {
   var result = WebAssembly.instantiateStreaming(response, imports);
   return result.then(callback, function(reason) {
    err("wasm streaming compile failed: " + reason);
    err("falling back to ArrayBuffer instantiation");
    return instantiateArrayBuffer(binaryFile, imports, callback);
   });
  });
 } else {
  return instantiateArrayBuffer(binaryFile, imports, callback);
 }
}

function createWasm() {
 var info = {
  "env": wasmImports,
  "wasi_snapshot_preview1": wasmImports
 };
 function receiveInstance(instance, module) {
  var exports = instance.exports;
  Module["asm"] = exports;
  wasmMemory = Module["asm"]["memory"];
  assert(wasmMemory, "memory not found in wasm exports");
  updateMemoryViews();
  wasmTable = Module["asm"]["__indirect_function_table"];
  assert(wasmTable, "table not found in wasm exports");
  addOnInit(Module["asm"]["__wasm_call_ctors"]);
  removeRunDependency("wasm-instantiate");
  return exports;
 }
 addRunDependency("wasm-instantiate");
 var trueModule = Module;
 function receiveInstantiationResult(result) {
  assert(Module === trueModule, "the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?");
  trueModule = null;
  receiveInstance(result["instance"]);
 }
 if (Module["instantiateWasm"]) {
  try {
   return Module["instantiateWasm"](info, receiveInstance);
  } catch (e) {
   err("Module.instantiateWasm callback failed with error: " + e);
   readyPromiseReject(e);
  }
 }
 instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
 return {};
}

function legacyModuleProp(prop, newName) {
 if (!Object.getOwnPropertyDescriptor(Module, prop)) {
  Object.defineProperty(Module, prop, {
   configurable: true,
   get: function() {
    abort("Module." + prop + " has been replaced with plain " + newName + " (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)");
   }
  });
 }
}

function ignoredModuleProp(prop) {
 if (Object.getOwnPropertyDescriptor(Module, prop)) {
  abort("`Module." + prop + "` was supplied but `" + prop + "` not included in INCOMING_MODULE_JS_API");
 }
}

function isExportedByForceFilesystem(name) {
 return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_unlink" || name === "addRunDependency" || name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency";
}

function missingGlobal(sym, msg) {
 if (typeof globalThis !== "undefined") {
  Object.defineProperty(globalThis, sym, {
   configurable: true,
   get: function() {
    warnOnce("`" + sym + "` is not longer defined by emscripten. " + msg);
    return undefined;
   }
  });
 }
}

missingGlobal("buffer", "Please use HEAP8.buffer or wasmMemory.buffer");

function missingLibrarySymbol(sym) {
 if (typeof globalThis !== "undefined" && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
  Object.defineProperty(globalThis, sym, {
   configurable: true,
   get: function() {
    var msg = "`" + sym + "` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line";
    var librarySymbol = sym;
    if (!librarySymbol.startsWith("_")) {
     librarySymbol = "$" + sym;
    }
    msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=" + librarySymbol + ")";
    if (isExportedByForceFilesystem(sym)) {
     msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
    }
    warnOnce(msg);
    return undefined;
   }
  });
 }
 unexportedRuntimeSymbol(sym);
}

function unexportedRuntimeSymbol(sym) {
 if (!Object.getOwnPropertyDescriptor(Module, sym)) {
  Object.defineProperty(Module, sym, {
   configurable: true,
   get: function() {
    var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)";
    if (isExportedByForceFilesystem(sym)) {
     msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
    }
    abort(msg);
   }
  });
 }
}

function dbg(text) {
 console.warn.apply(console, arguments);
}

function ExitStatus(status) {
 this.name = "ExitStatus";
 this.message = "Program terminated with exit(" + status + ")";
 this.status = status;
}

function callRuntimeCallbacks(callbacks) {
 while (callbacks.length > 0) {
  callbacks.shift()(Module);
 }
}

function getCppExceptionTag() {
 return Module["asm"]["__cpp_exception"];
}

function getCppExceptionThrownObjectFromWebAssemblyException(ex) {
 var unwind_header = ex.getArg(getCppExceptionTag(), 0);
 return ___thrown_object_from_unwind_exception(unwind_header);
}

function decrementExceptionRefcount(ex) {
 var ptr = getCppExceptionThrownObjectFromWebAssemblyException(ex);
 ___cxa_decrement_exception_refcount(ptr);
}

function withStackSave(f) {
 var stack = stackSave();
 var ret = f();
 stackRestore(stack);
 return ret;
}

function lengthBytesUTF8(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var c = str.charCodeAt(i);
  if (c <= 127) {
   len++;
  } else if (c <= 2047) {
   len += 2;
  } else if (c >= 55296 && c <= 57343) {
   len += 4;
   ++i;
  } else {
   len += 3;
  }
 }
 return len;
}

function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
 outIdx >>>= 0;
 assert(typeof str === "string");
 if (!(maxBytesToWrite > 0)) return 0;
 var startIdx = outIdx;
 var endIdx = outIdx + maxBytesToWrite - 1;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) {
   var u1 = str.charCodeAt(++i);
   u = 65536 + ((u & 1023) << 10) | u1 & 1023;
  }
  if (u <= 127) {
   if (outIdx >= endIdx) break;
   heap[outIdx++ >>> 0] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   heap[outIdx++ >>> 0] = 192 | u >> 6;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   heap[outIdx++ >>> 0] = 224 | u >> 12;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else {
   if (outIdx + 3 >= endIdx) break;
   if (u > 1114111) warnOnce("Invalid Unicode code point " + ptrToString(u) + " encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).");
   heap[outIdx++ >>> 0] = 240 | u >> 18;
   heap[outIdx++ >>> 0] = 128 | u >> 12 & 63;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  }
 }
 heap[outIdx >>> 0] = 0;
 return outIdx - startIdx;
}

function stringToUTF8(str, outPtr, maxBytesToWrite) {
 assert(typeof maxBytesToWrite == "number", "stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
 return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}

function stringToUTF8OnStack(str) {
 var size = lengthBytesUTF8(str) + 1;
 var ret = stackAlloc(size);
 stringToUTF8(str, ret, size);
 return ret;
}

var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;

function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) {
 idx >>>= 0;
 var endIdx = idx + maxBytesToRead;
 var endPtr = idx;
 while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
 if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
  return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
 }
 var str = "";
 while (idx < endPtr) {
  var u0 = heapOrArray[idx++];
  if (!(u0 & 128)) {
   str += String.fromCharCode(u0);
   continue;
  }
  var u1 = heapOrArray[idx++] & 63;
  if ((u0 & 224) == 192) {
   str += String.fromCharCode((u0 & 31) << 6 | u1);
   continue;
  }
  var u2 = heapOrArray[idx++] & 63;
  if ((u0 & 240) == 224) {
   u0 = (u0 & 15) << 12 | u1 << 6 | u2;
  } else {
   if ((u0 & 248) != 240) warnOnce("Invalid UTF-8 leading byte " + ptrToString(u0) + " encountered when deserializing a UTF-8 string in wasm memory to a JS string!");
   u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63;
  }
  if (u0 < 65536) {
   str += String.fromCharCode(u0);
  } else {
   var ch = u0 - 65536;
   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
  }
 }
 return str;
}

function UTF8ToString(ptr, maxBytesToRead) {
 assert(typeof ptr == "number");
 ptr >>>= 0;
 return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}

function demangle(func) {
 demangle.recursionGuard = (demangle.recursionGuard | 0) + 1;
 if (demangle.recursionGuard > 1) return func;
 return withStackSave(function() {
  try {
   var s = func;
   if (s.startsWith("__Z")) s = s.substr(1);
   var buf = stringToUTF8OnStack(s);
   var status = stackAlloc(4);
   var ret = ___cxa_demangle(buf, 0, 0, status);
   if (HEAP32[status >>> 2] === 0 && ret) {
    return UTF8ToString(ret);
   }
  } catch (e) {} finally {
   _free(ret);
   if (demangle.recursionGuard < 2) --demangle.recursionGuard;
  }
  return func;
 });
}

function getExceptionMessageCommon(ptr) {
 return withStackSave(function() {
  var type_addr_addr = stackAlloc(4);
  var message_addr_addr = stackAlloc(4);
  ___get_exception_message(ptr, type_addr_addr, message_addr_addr);
  var type_addr = HEAPU32[type_addr_addr >>> 2];
  var message_addr = HEAPU32[message_addr_addr >>> 2];
  var type = UTF8ToString(type_addr);
  _free(type_addr);
  var message;
  if (message_addr) {
   message = UTF8ToString(message_addr);
   _free(message_addr);
  }
  return [ type, message ];
 });
}

function getExceptionMessage(ex) {
 var ptr = getCppExceptionThrownObjectFromWebAssemblyException(ex);
 return getExceptionMessageCommon(ptr);
}

Module["getExceptionMessage"] = getExceptionMessage;

function getValue(ptr, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  return HEAP8[ptr >>> 0];

 case "i8":
  return HEAP8[ptr >>> 0];

 case "i16":
  return HEAP16[ptr >>> 1];

 case "i32":
  return HEAP32[ptr >>> 2];

 case "i64":
  return HEAP64[ptr >> 3];

 case "float":
  return HEAPF32[ptr >>> 2];

 case "double":
  return HEAPF64[ptr >>> 3];

 case "*":
  return HEAPU32[ptr >>> 2];

 default:
  abort("invalid type for getValue: " + type);
 }
}

function incrementExceptionRefcount(ex) {
 var ptr = getCppExceptionThrownObjectFromWebAssemblyException(ex);
 ___cxa_increment_exception_refcount(ptr);
}

function ptrToString(ptr) {
 assert(typeof ptr === "number");
 return "0x" + ptr.toString(16).padStart(8, "0");
}

function setValue(ptr, value, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  HEAP8[ptr >>> 0] = value;
  break;

 case "i8":
  HEAP8[ptr >>> 0] = value;
  break;

 case "i16":
  HEAP16[ptr >>> 1] = value;
  break;

 case "i32":
  HEAP32[ptr >>> 2] = value;
  break;

 case "i64":
  HEAP64[ptr >> 3] = BigInt(value);
  break;

 case "float":
  HEAPF32[ptr >>> 2] = value;
  break;

 case "double":
  HEAPF64[ptr >>> 3] = value;
  break;

 case "*":
  HEAPU32[ptr >>> 2] = value;
  break;

 default:
  abort("invalid type for setValue: " + type);
 }
}

function jsStackTrace() {
 var error = new Error();
 if (!error.stack) {
  try {
   throw new Error();
  } catch (e) {
   error = e;
  }
  if (!error.stack) {
   return "(no stack trace available)";
  }
 }
 return error.stack.toString();
}

function demangleAll(text) {
 var regex = /\b_Z[\w\d_]+/g;
 return text.replace(regex, function(x) {
  var y = demangle(x);
  return x === y ? x : y + " [" + x + "]";
 });
}

function stackTrace() {
 var js = jsStackTrace();
 if (Module["extraStackTrace"]) js += "\n" + Module["extraStackTrace"]();
 return demangleAll(js);
}

function warnOnce(text) {
 if (!warnOnce.shown) warnOnce.shown = {};
 if (!warnOnce.shown[text]) {
  warnOnce.shown[text] = 1;
  err(text);
 }
}

function _GetJSLoadTimeInfo(loadTimePtr) {
 loadTimePtr = loadTimePtr >>> 2;
 HEAPU32[loadTimePtr >>> 0] = Module.pageStartupTime || 0;
 HEAPU32[loadTimePtr + 1 >>> 0] = Module.dataUrlLoadEndTime || 0;
 HEAPU32[loadTimePtr + 2 >>> 0] = Module.codeDownloadTimeEnd || 0;
}

function _GetJSMemoryInfo(totalJSptr, usedJSptr) {
 totalJSptr = totalJSptr >>> 3;
 usedJSptr = usedJSptr >>> 3;
 if (performance.memory) {
  HEAPF64[totalJSptr >>> 0] = performance.memory.totalJSHeapSize;
  HEAPF64[usedJSptr >>> 0] = performance.memory.usedJSHeapSize;
 } else {
  HEAPF64[totalJSptr >>> 0] = NaN;
  HEAPF64[usedJSptr >>> 0] = NaN;
 }
}

var JS_Accelerometer = null;

var JS_Accelerometer_callback = 0;

function _JS_Accelerometer_IsRunning() {
 return JS_Accelerometer && JS_Accelerometer.activated || JS_Accelerometer_callback != 0;
}

var JS_Accelerometer_multiplier = 1;

var JS_Accelerometer_lastValue = {
 x: 0,
 y: 0,
 z: 0
};

var wasmTableMirror = [];

function getWasmTableEntry(funcPtr) {
 assert(funcPtr >= 0, "Function pointers must be nonnegative!");
 var func = wasmTableMirror[funcPtr];
 if (!func) {
  if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
  wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
 }
 assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
 return func;
}

function JS_Accelerometer_eventHandler() {
 JS_Accelerometer_lastValue = {
  x: JS_Accelerometer.x * JS_Accelerometer_multiplier,
  y: JS_Accelerometer.y * JS_Accelerometer_multiplier,
  z: JS_Accelerometer.z * JS_Accelerometer_multiplier
 };
 if (JS_Accelerometer_callback != 0) getWasmTableEntry(JS_Accelerometer_callback)(JS_Accelerometer_lastValue.x, JS_Accelerometer_lastValue.y, JS_Accelerometer_lastValue.z);
}

var JS_Accelerometer_frequencyRequest = 0;

var JS_Accelerometer_frequency = 0;

var JS_LinearAccelerationSensor_callback = 0;

var JS_GravitySensor_callback = 0;

var JS_Gyroscope_callback = 0;

function JS_ComputeGravity(accelerometerValue, linearAccelerationValue) {
 var difference = {
  x: accelerometerValue.x - linearAccelerationValue.x,
  y: accelerometerValue.y - linearAccelerationValue.y,
  z: accelerometerValue.z - linearAccelerationValue.z
 };
 var differenceMagnitudeSq = difference.x * difference.x + difference.y * difference.y + difference.z * difference.z;
 var sum = {
  x: accelerometerValue.x + linearAccelerationValue.x,
  y: accelerometerValue.y + linearAccelerationValue.y,
  z: accelerometerValue.z + linearAccelerationValue.z
 };
 var sumMagnitudeSq = sum.x * sum.x + sum.y * sum.y + sum.z * sum.z;
 return differenceMagnitudeSq <= sumMagnitudeSq ? difference : sum;
}

function JS_DeviceMotion_eventHandler(event) {
 var accelerometerValue = {
  x: event.accelerationIncludingGravity.x * JS_Accelerometer_multiplier,
  y: event.accelerationIncludingGravity.y * JS_Accelerometer_multiplier,
  z: event.accelerationIncludingGravity.z * JS_Accelerometer_multiplier
 };
 if (JS_Accelerometer_callback != 0) getWasmTableEntry(JS_Accelerometer_callback)(accelerometerValue.x, accelerometerValue.y, accelerometerValue.z);
 var linearAccelerationValue = {
  x: event.acceleration.x * JS_Accelerometer_multiplier,
  y: event.acceleration.y * JS_Accelerometer_multiplier,
  z: event.acceleration.z * JS_Accelerometer_multiplier
 };
 if (JS_LinearAccelerationSensor_callback != 0) getWasmTableEntry(JS_LinearAccelerationSensor_callback)(linearAccelerationValue.x, linearAccelerationValue.y, linearAccelerationValue.z);
 if (JS_GravitySensor_callback != 0) {
  assert(typeof GravitySensor === "undefined");
  var gravityValue = JS_ComputeGravity(accelerometerValue, linearAccelerationValue);
  getWasmTableEntry(JS_GravitySensor_callback)(gravityValue.x, gravityValue.y, gravityValue.z);
 }
 if (JS_Gyroscope_callback != 0) {
  var degToRad = Math.PI / 180;
  getWasmTableEntry(JS_Gyroscope_callback)(event.rotationRate.alpha * degToRad, event.rotationRate.beta * degToRad, event.rotationRate.gamma * degToRad);
 }
}

var JS_DeviceSensorPermissions = 0;

function JS_RequestDeviceSensorPermissions(permissions) {
 if (permissions & 1) {
  if (typeof DeviceOrientationEvent.requestPermission === "function") {
   DeviceOrientationEvent.requestPermission().then(function(permissionState) {
    if (permissionState === "granted") {
     JS_DeviceSensorPermissions &= ~1;
    } else {
     warnOnce("DeviceOrientationEvent permission not granted");
    }
   }).catch(function(err) {
    warnOnce(err);
    JS_DeviceSensorPermissions |= 1;
   });
  }
 }
 if (permissions & 2) {
  if (typeof DeviceMotionEvent.requestPermission === "function") {
   DeviceMotionEvent.requestPermission().then(function(permissionState) {
    if (permissionState === "granted") {
     JS_DeviceSensorPermissions &= ~2;
    } else {
     warnOnce("DeviceMotionEvent permission not granted");
    }
   }).catch(function(err) {
    warnOnce(err);
    JS_DeviceSensorPermissions |= 2;
   });
  }
 }
}

function JS_DeviceMotion_add() {
 if (JS_Accelerometer_callback == 0 && JS_LinearAccelerationSensor_callback == 0 && JS_GravitySensor_callback == 0 && JS_Gyroscope_callback == 0) {
  JS_RequestDeviceSensorPermissions(2);
  window.addEventListener("devicemotion", JS_DeviceMotion_eventHandler);
 }
}

function JS_DefineAccelerometerMultiplier() {
 var g = 9.80665;
 JS_Accelerometer_multiplier = /(iPhone|iPad|Macintosh)/i.test(navigator.userAgent) ? 1 / g : -1 / g;
}

function _JS_Accelerometer_Start(callback, frequency) {
 JS_DefineAccelerometerMultiplier();
 if (typeof Accelerometer === "undefined") {
  JS_DeviceMotion_add();
  if (callback != 0) JS_Accelerometer_callback = callback;
  return;
 }
 if (callback != 0) JS_Accelerometer_callback = callback;
 function InitializeAccelerometer(frequency) {
  JS_Accelerometer = new Accelerometer({
   frequency: frequency,
   referenceFrame: "device"
  });
  JS_Accelerometer.addEventListener("reading", JS_Accelerometer_eventHandler);
  JS_Accelerometer.addEventListener("error", function(e) {
   warnOnce(e.error ? e.error : e);
  });
  JS_Accelerometer.start();
  JS_Accelerometer_frequency = frequency;
 }
 if (JS_Accelerometer) {
  if (JS_Accelerometer_frequency != frequency) {
   JS_Accelerometer.stop();
   JS_Accelerometer.removeEventListener("reading", JS_Accelerometer_eventHandler);
   InitializeAccelerometer(frequency);
  }
 } else if (JS_Accelerometer_frequencyRequest != 0) {
  JS_Accelerometer_frequencyRequest = frequency;
 } else {
  JS_Accelerometer_frequencyRequest = frequency;
  navigator.permissions.query({
   name: "accelerometer"
  }).then(function(result) {
   if (result.state === "granted") {
    InitializeAccelerometer(JS_Accelerometer_frequencyRequest);
   } else {
    warnOnce("No permission to use Accelerometer.");
   }
   JS_Accelerometer_frequencyRequest = 0;
  });
 }
}

function JS_DeviceMotion_remove() {
 if (JS_Accelerometer_callback == 0 && JS_LinearAccelerationSensor_callback == 0 && JS_GravitySensor_callback == 0 && JS_Gyroscope_callback == 0) {
  window.removeEventListener("devicemotion", JS_DeviceOrientation_eventHandler);
 }
}

function _JS_Accelerometer_Stop() {
 if (JS_Accelerometer) {
  if (typeof GravitySensor !== "undefined" || JS_GravitySensor_callback == 0) {
   JS_Accelerometer.stop();
   JS_Accelerometer.removeEventListener("reading", JS_Accelerometer_eventHandler);
   JS_Accelerometer = null;
  }
  JS_Accelerometer_callback = 0;
  JS_Accelerometer_frequency = 0;
 } else if (JS_Accelerometer_callback != 0) {
  JS_Accelerometer_callback = 0;
  JS_DeviceMotion_remove();
 }
}

var ExceptionsSeen = 0;

function LogErrorWithAdditionalInformation(error) {
 if ((error instanceof ReferenceError || error instanceof TypeError) && error.message.indexOf("dynCall_") != -1) {
  error.message = 'Detected use of deprecated "Module.dynCall_*" API. Use "makeDynCall" API instead. Refer to https://docs.unity3d.com/6000.0/Documentation/Manual/web-interacting-browser-deprecated.html#dyncall for more information.\n' + error.message;
 }
 console.error(error);
}

function _JS_CallAsLongAsNoExceptionsSeen(cb) {
 if (!ExceptionsSeen) {
  try {
   getWasmTableEntry(cb)();
  } catch (e) {
   ExceptionsSeen = 1;
   console.error("Uncaught exception from main loop:");
   LogErrorWithAdditionalInformation(e);
   console.error("Halting program.");
   if (Module.errorHandler) Module.errorHandler(e);
   throw e;
  }
 }
}

function _JS_Cursor_SetImage(ptr, length) {
 ptr = ptr >>> 0;
 var binary = "";
 for (var i = 0; i < length; i++) binary += String.fromCharCode(HEAPU8[ptr + i >>> 0]);
 Module.canvas.style.cursor = "url(data:image/cur;base64," + btoa(binary) + "),default";
}

function _JS_Cursor_SetShow(show) {
 Module.canvas.style.cursor = show ? "default" : "none";
}

function jsDomCssEscapeId(id) {
 if (typeof window.CSS !== "undefined" && typeof window.CSS.escape !== "undefined") {
  return window.CSS.escape(id);
 }
 return id.replace(/(#|\.|\+|\[|\]|\(|\)|\{|\})/g, "\\$1");
}

function jsCanvasSelector() {
 if (Module["canvas"] && !Module["canvas"].id) throw 'Module["canvas"] must have a CSS ID associated with it!';
 var canvasId = Module["canvas"] ? Module["canvas"].id : "unity-canvas";
 return "#" + jsDomCssEscapeId(canvasId);
}

function _JS_DOM_MapViewportCoordinateToElementLocalCoordinate(viewportX, viewportY, targetX, targetY) {
 targetX = targetX >>> 2;
 targetY = targetY >>> 2;
 var canvas = document.querySelector(jsCanvasSelector());
 var rect = canvas && canvas.getBoundingClientRect();
 HEAPU32[targetX >>> 0] = viewportX - (rect ? rect.left : 0);
 HEAPU32[targetY >>> 0] = viewportY - (rect ? rect.top : 0);
}

function stringToNewUTF8(str) {
 var size = lengthBytesUTF8(str) + 1;
 var ret = _malloc(size);
 if (ret) stringToUTF8(str, ret, size);
 return ret;
}

function _JS_DOM_UnityCanvasSelector() {
 var canvasSelector = jsCanvasSelector();
 if (_JS_DOM_UnityCanvasSelector.selector != canvasSelector) {
  _free(_JS_DOM_UnityCanvasSelector.ptr);
  _JS_DOM_UnityCanvasSelector.ptr = stringToNewUTF8(canvasSelector);
  _JS_DOM_UnityCanvasSelector.selector = canvasSelector;
 }
 return _JS_DOM_UnityCanvasSelector.ptr;
}

function _JS_DownloadTextFile(pathPtr, dataPtr, mimeTypePtr) {
 const path = UTF8ToString(pathPtr >>> 0);
 const text = UTF8ToString(dataPtr >>> 0);
 const mimeType = mimeTypePtr ? UTF8ToString(mimeTypePtr >>> 0) : "application/json";
 const parts = path.split(/[\\/]/);
 const filename = parts.pop();
 const link = document.createElement("a");
 link.href = URL.createObjectURL(new Blob([ text ], {
  type: mimeType
 }));
 link.download = filename;
 link.click();
 URL.revokeObjectURL(link.href);
}

function _JS_Eval_OpenURL(ptr) {
 var str = UTF8ToString(ptr);
 window.open(str, "_blank", "");
}

function _JS_FileSystem_Initialize() {}

function _JS_FileSystem_Sync() {
 IDBFS.queuePersist(Module.__unityIdbfsMount.mount);
 if (!window.warnedAboutManualFilesystemSyncGettingDeprecated) {
  window.warnedAboutManualFilesystemSyncGettingDeprecated = true;
  if (!Module.autoSyncPersistentDataPath) {
   console.warn("Manual synchronization of Unity Application.persistentDataPath via JS_FileSystem_Sync() is deprecated and will be later removed in a future Unity version. The persistent data directory will be automatically synchronized instead on file modification. Pass config.autoSyncPersistentDataPath = true; to configuration in createUnityInstance() to opt in to the new behavior.");
  }
 }
}

function _JS_GetRandomBytes(destBuffer, numBytes) {
 if (typeof crypto === "undefined" || numBytes > 65535) return 0;
 crypto.getRandomValues(new Uint8Array(HEAPU8.buffer, destBuffer, numBytes));
 return 1;
}

function _JS_Get_WASM_Size() {
 return Module.wasmFileSize;
}

var JS_GravitySensor = null;

function _JS_GravitySensor_IsRunning() {
 return typeof GravitySensor !== "undefined" ? JS_GravitySensor && JS_GravitySensor.activated : JS_GravitySensor_callback != 0;
}

function JS_GravitySensor_eventHandler() {
 if (JS_GravitySensor_callback != 0) getWasmTableEntry(JS_GravitySensor_callback)(JS_GravitySensor.x * JS_Accelerometer_multiplier, JS_GravitySensor.y * JS_Accelerometer_multiplier, JS_GravitySensor.z * JS_Accelerometer_multiplier);
}

var JS_GravitySensor_frequencyRequest = 0;

var JS_LinearAccelerationSensor = null;

function JS_LinearAccelerationSensor_eventHandler() {
 var linearAccelerationValue = {
  x: JS_LinearAccelerationSensor.x * JS_Accelerometer_multiplier,
  y: JS_LinearAccelerationSensor.y * JS_Accelerometer_multiplier,
  z: JS_LinearAccelerationSensor.z * JS_Accelerometer_multiplier
 };
 if (JS_LinearAccelerationSensor_callback != 0) getWasmTableEntry(JS_LinearAccelerationSensor_callback)(linearAccelerationValue.x, linearAccelerationValue.y, linearAccelerationValue.z);
 if (JS_GravitySensor_callback != 0 && typeof GravitySensor === "undefined") {
  var gravityValue = JS_ComputeGravity(JS_Accelerometer_lastValue, linearAccelerationValue);
  getWasmTableEntry(JS_GravitySensor_callback)(gravityValue.x, gravityValue.y, gravityValue.z);
 }
}

var JS_LinearAccelerationSensor_frequencyRequest = 0;

var JS_LinearAccelerationSensor_frequency = 0;

function _JS_LinearAccelerationSensor_Start(callback, frequency) {
 JS_DefineAccelerometerMultiplier();
 if (typeof LinearAccelerationSensor === "undefined") {
  JS_DeviceMotion_add();
  if (callback != 0) JS_LinearAccelerationSensor_callback = callback;
  return;
 }
 if (callback != 0) JS_LinearAccelerationSensor_callback = callback;
 function InitializeLinearAccelerationSensor(frequency) {
  JS_LinearAccelerationSensor = new LinearAccelerationSensor({
   frequency: frequency,
   referenceFrame: "device"
  });
  JS_LinearAccelerationSensor.addEventListener("reading", JS_LinearAccelerationSensor_eventHandler);
  JS_LinearAccelerationSensor.addEventListener("error", function(e) {
   warnOnce(e.error ? e.error : e);
  });
  JS_LinearAccelerationSensor.start();
  JS_LinearAccelerationSensor_frequency = frequency;
 }
 if (JS_LinearAccelerationSensor) {
  if (JS_LinearAccelerationSensor_frequency != frequency) {
   JS_LinearAccelerationSensor.stop();
   JS_LinearAccelerationSensor.removeEventListener("reading", JS_LinearAccelerationSensor_eventHandler);
   InitializeLinearAccelerationSensor(frequency);
  }
 } else if (JS_LinearAccelerationSensor_frequencyRequest != 0) {
  JS_LinearAccelerationSensor_frequencyRequest = frequency;
 } else {
  JS_LinearAccelerationSensor_frequencyRequest = frequency;
  navigator.permissions.query({
   name: "accelerometer"
  }).then(function(result) {
   if (result.state === "granted") {
    InitializeLinearAccelerationSensor(JS_LinearAccelerationSensor_frequencyRequest);
   } else {
    warnOnce("No permission to use LinearAccelerationSensor.");
   }
   JS_LinearAccelerationSensor_frequencyRequest = 0;
  });
 }
}

function _JS_GravitySensor_Start(callback, frequency) {
 assert(callback != 0, "Invalid callback passed to JS_GravitySensor_Start");
 if (typeof GravitySensor === "undefined") {
  _JS_Accelerometer_Start(0, Math.max(frequency, JS_Accelerometer_frequency));
  _JS_LinearAccelerationSensor_Start(0, Math.max(frequency, JS_LinearAccelerationSensor_frequency));
  JS_GravitySensor_callback = callback;
  return;
 }
 JS_DefineAccelerometerMultiplier();
 JS_GravitySensor_callback = callback;
 function InitializeGravitySensor(frequency) {
  JS_GravitySensor = new GravitySensor({
   frequency: frequency,
   referenceFrame: "device"
  });
  JS_GravitySensor.addEventListener("reading", JS_GravitySensor_eventHandler);
  JS_GravitySensor.addEventListener("error", function(e) {
   warnOnce(e.error ? e.error : e);
  });
  JS_GravitySensor.start();
 }
 if (JS_GravitySensor) {
  JS_GravitySensor.stop();
  JS_GravitySensor.removeEventListener("reading", JS_GravitySensor_eventHandler);
  InitializeGravitySensor(frequency);
 } else if (JS_GravitySensor_frequencyRequest != 0) {
  JS_GravitySensor_frequencyRequest = frequency;
 } else {
  JS_GravitySensor_frequencyRequest = frequency;
  navigator.permissions.query({
   name: "accelerometer"
  }).then(function(result) {
   if (result.state === "granted") {
    InitializeGravitySensor(JS_GravitySensor_frequencyRequest);
   } else {
    warnOnce("No permission to use GravitySensor.");
   }
   JS_GravitySensor_frequencyRequest = 0;
  });
 }
}

function _JS_LinearAccelerationSensor_Stop() {
 if (JS_LinearAccelerationSensor) {
  if (typeof GravitySensor !== "undefined" || JS_GravitySensor_callback == 0) {
   JS_LinearAccelerationSensor.stop();
   JS_LinearAccelerationSensor.removeEventListener("reading", JS_LinearAccelerationSensor_eventHandler);
   JS_LinearAccelerationSensor = null;
  }
  JS_LinearAccelerationSensor_callback = 0;
  JS_LinearAccelerationSensor_frequency = 0;
 } else if (JS_LinearAccelerationSensor_callback != 0) {
  JS_LinearAccelerationSensor_callback = 0;
  JS_DeviceMotion_remove();
 }
}

function _JS_GravitySensor_Stop() {
 JS_GravitySensor_callback = 0;
 if (typeof GravitySensor === "undefined") {
  if (JS_Accelerometer_callback == 0) _JS_Accelerometer_Stop();
  if (JS_LinearAccelerationSensor_callback == 0) _JS_LinearAccelerationSensor_Stop();
  return;
 }
 if (JS_GravitySensor) {
  JS_GravitySensor.stop();
  JS_GravitySensor.removeEventListener("reading", JS_GravitySensor_eventHandler);
  JS_GravitySensor = null;
 }
}

var JS_Gyroscope = null;

function _JS_Gyroscope_IsRunning() {
 return JS_Gyroscope && JS_Gyroscope.activated || JS_Gyroscope_callback != 0;
}

function JS_Gyroscope_eventHandler() {
 if (JS_Gyroscope_callback != 0) getWasmTableEntry(JS_Gyroscope_callback)(JS_Gyroscope.x, JS_Gyroscope.y, JS_Gyroscope.z);
}

var JS_Gyroscope_frequencyRequest = 0;

function _JS_Gyroscope_Start(callback, frequency) {
 assert(callback != 0, "Invalid callback passed to JS_Gyroscope_Start");
 if (typeof Gyroscope === "undefined") {
  JS_DeviceMotion_add();
  JS_Gyroscope_callback = callback;
  return;
 }
 JS_Gyroscope_callback = callback;
 function InitializeGyroscope(frequency) {
  JS_Gyroscope = new Gyroscope({
   frequency: frequency,
   referenceFrame: "device"
  });
  JS_Gyroscope.addEventListener("reading", JS_Gyroscope_eventHandler);
  JS_Gyroscope.addEventListener("error", function(e) {
   warnOnce(e.error ? e.error : e);
  });
  JS_Gyroscope.start();
 }
 if (JS_Gyroscope) {
  JS_Gyroscope.stop();
  JS_Gyroscope.removeEventListener("reading", JS_Gyroscope_eventHandler);
  InitializeGyroscope(frequency);
 } else if (JS_Gyroscope_frequencyRequest != 0) {
  JS_Gyroscope_frequencyRequest = frequency;
 } else {
  JS_Gyroscope_frequencyRequest = frequency;
  navigator.permissions.query({
   name: "gyroscope"
  }).then(function(result) {
   if (result.state === "granted") {
    InitializeGyroscope(JS_Gyroscope_frequencyRequest);
   } else {
    warnOnce("No permission to use Gyroscope.");
   }
   JS_Gyroscope_frequencyRequest = 0;
  });
 }
}

function _JS_Gyroscope_Stop() {
 if (JS_Gyroscope) {
  JS_Gyroscope.stop();
  JS_Gyroscope.removeEventListener("reading", JS_Gyroscope_eventHandler);
  JS_Gyroscope = null;
  JS_Gyroscope_callback = 0;
 } else if (JS_Gyroscope_callback != 0) {
  JS_Gyroscope_callback = 0;
  JS_DeviceMotion_remove();
 }
}

function _JS_Init_ContextMenuHandler() {
 const _handleContextMenu = function(event) {
  if (event.target.localName !== "canvas") _ReleaseKeys();
 };
 document.addEventListener("contextmenu", _handleContextMenu);
 Module.deinitializers.push(function() {
  document.removeEventListener("contextmenu", _handleContextMenu);
 });
}

var mobile_input_hide_delay = null;

var mobile_input_text = null;

var mobile_input = null;

function _JS_Init_CopyPaste() {
 var canvas = document.querySelector(jsCanvasSelector());
 const _handlePaste = function(event) {
  if (document.activeElement == canvas || !!mobile_input) event.preventDefault();
  const data = event.clipboardData.getData("text");
  if (!!mobile_input) {
   mobile_input.input.value += data;
  } else {
   var str_wasm = stringToNewUTF8(data);
   _SendPasteEvent(str_wasm);
   _free(str_wasm);
  }
 };
 const _handleCopy = function(event) {
  if (document.activeElement == canvas) event.preventDefault();
  const data = !!mobile_input ? mobile_input.input.value.slice(mobile_input.input.selectionStart, mobile_input.input.selectionEnd) : UTF8ToString(_GetCopyBufferAsCStr());
  event.clipboardData.setData("text/plain", data);
 };
 window.addEventListener("paste", _handlePaste);
 window.addEventListener("copy", _handleCopy);
 window.addEventListener("cut", _handleCopy);
 Module.deinitializers.push(function() {
  window.removeEventListener("paste", _handlePaste);
  window.removeEventListener("copy", _handleCopy);
  window.removeEventListener("cut", _handleCopy);
 });
}

function _JS_LinearAccelerationSensor_IsRunning() {
 return JS_LinearAccelerationSensor && JS_LinearAccelerationSensor.activated || JS_LinearAccelerationSensor_callback != 0;
}

function _JS_Log_Dump(ptr, type) {
 var str = UTF8ToString(ptr);
 if (typeof dump == "function") dump(str);
 switch (type) {
 case 0:
 case 1:
 case 4:
  console.error(str);
  return;

 case 2:
  console.warn(str);
  return;

 case 3:
 case 5:
  console.log(str);
  return;

 default:
  console.error("Unknown console message type!");
  console.error(str);
 }
}

function _JS_Log_StackTrace(buffer, bufferSize) {
 var trace = stackTrace();
 if (buffer) stringToUTF8(trace, buffer, bufferSize);
 return lengthBytesUTF8(trace);
}

var mobile_input_ignore_blur_event = false;

function _JS_MobileKeybard_GetIgnoreBlurEvent() {
 return mobile_input_ignore_blur_event;
}

function _JS_MobileKeyboard_GetKeyboardStatus() {
 var kKeyboardStatusVisible = 0;
 var kKeyboardStatusDone = 1;
 if (!mobile_input) return kKeyboardStatusDone;
 return kKeyboardStatusVisible;
}

function _JS_MobileKeyboard_GetText(buffer, bufferSize) {
 var text = mobile_input && mobile_input.input ? mobile_input.input.value : mobile_input_text ? mobile_input_text : "";
 if (buffer) stringToUTF8(text, buffer, bufferSize);
 return lengthBytesUTF8(text);
}

function _JS_MobileKeyboard_GetTextSelection(outStart, outLength) {
 outStart = outStart >>> 2;
 outLength = outLength >>> 2;
 if (!mobile_input) {
  HEAP32[outStart >>> 0] = 0;
  HEAP32[outLength >>> 0] = 0;
  return;
 }
 HEAP32[outStart >>> 0] = mobile_input.input.selectionStart;
 HEAP32[outLength >>> 0] = mobile_input.input.selectionEnd - mobile_input.input.selectionStart;
}

function _JS_MobileKeyboard_Hide(delay) {
 if (mobile_input_hide_delay) return;
 mobile_input_ignore_blur_event = true;
 function hideMobileKeyboard() {
  if (mobile_input && mobile_input.input) {
   mobile_input_text = mobile_input.input.value;
   mobile_input.input = null;
   if (mobile_input.parentNode && mobile_input.parentNode) {
    mobile_input.parentNode.removeChild(mobile_input);
   }
  }
  mobile_input = null;
  mobile_input_hide_delay = null;
  setTimeout(function() {
   mobile_input_ignore_blur_event = false;
  }, 100);
 }
 if (delay) {
  var hideDelay = 200;
  mobile_input_hide_delay = setTimeout(hideMobileKeyboard, hideDelay);
 } else {
  hideMobileKeyboard();
 }
}

function _JS_MobileKeyboard_SetCharacterLimit(limit) {
 if (!mobile_input) return;
 mobile_input.input.maxLength = limit;
}

function _JS_MobileKeyboard_SetText(text) {
 if (!mobile_input) return;
 text = UTF8ToString(text);
 mobile_input.input.value = text;
}

function _JS_MobileKeyboard_SetTextSelection(start, length) {
 if (!mobile_input) return;
 if (mobile_input.input.type === "number") {
  mobile_input.input.type = "text";
  mobile_input.input.setSelectionRange(start, start + length);
  mobile_input.input.type = "number";
 } else {
  mobile_input.input.setSelectionRange(start, start + length);
 }
}

function _JS_MobileKeyboard_Show(text, keyboardType, autocorrection, multiline, secure, alert, placeholder, characterLimit) {
 if (mobile_input_hide_delay) {
  clearTimeout(mobile_input_hide_delay);
  mobile_input_hide_delay = null;
 }
 text = UTF8ToString(text);
 mobile_input_text = text;
 placeholder = UTF8ToString(placeholder);
 var container = document.body;
 var hasExistingMobileInput = !!mobile_input;
 var input_type;
 var KEYBOARD_TYPE_NUMBERS_AND_PUNCTUATION = 2;
 var KEYBOARD_TYPE_URL = 3;
 var KEYBOARD_TYPE_NUMBER_PAD = 4;
 var KEYBOARD_TYPE_PHONE_PAD = 5;
 var KEYBOARD_TYPE_EMAIL_ADDRESS = 7;
 if (!secure) {
  switch (keyboardType) {
  case KEYBOARD_TYPE_EMAIL_ADDRESS:
   input_type = "email";
   break;

  case KEYBOARD_TYPE_URL:
   input_type = "url";
   break;

  case KEYBOARD_TYPE_NUMBERS_AND_PUNCTUATION:
  case KEYBOARD_TYPE_NUMBER_PAD:
  case KEYBOARD_TYPE_PHONE_PAD:
   input_type = "number";
   break;

  default:
   input_type = "text";
   break;
  }
 } else {
  input_type = "password";
 }
 if (hasExistingMobileInput) {
  if (mobile_input.multiline != multiline) {
   _JS_MobileKeyboard_Hide(false);
   return;
  }
 }
 var inputContainer = mobile_input || document.createElement("div");
 if (!hasExistingMobileInput) {
  inputContainer.style = "width:100%; position:fixed; bottom:0px; margin:0px; padding:0px; left:0px; border: 1px solid #000; border-radius: 5px; background-color:#fff; font-size:14pt;";
  container.appendChild(inputContainer);
  mobile_input = inputContainer;
 }
 var input = hasExistingMobileInput ? mobile_input.input : document.createElement(multiline ? "textarea" : "input");
 mobile_input.multiline = multiline;
 mobile_input.secure = secure;
 mobile_input.keyboardType = keyboardType;
 mobile_input.inputType = input_type;
 input.type = input_type;
 input.style = "width:calc(100% - 85px); " + (multiline ? "height:100px;" : "") + "vertical-align:top; border-radius: 5px; outline:none; cursor:default; resize:none; border:0px; padding:10px 0px 10px 10px;";
 input.spellcheck = autocorrection ? true : false;
 input.maxLength = characterLimit > 0 ? characterLimit : 524288;
 input.value = text;
 input.placeholder = placeholder;
 if (!hasExistingMobileInput) {
  inputContainer.appendChild(input);
  inputContainer.input = input;
 }
 if (!hasExistingMobileInput) {
  var okButton = document.createElement("button");
  okButton.innerText = "OK";
  okButton.style = "border:0; position:absolute; left:calc(100% - 75px); top:0px; width:75px; height:100%; margin:0; padding:0; border-radius: 5px; background-color:#fff";
  okButton.addEventListener("touchend", function() {
   _JS_MobileKeyboard_Hide(true);
  });
  inputContainer.appendChild(okButton);
  inputContainer.okButton = okButton;
  input.addEventListener("keyup", function(e) {
   if (input.parentNode.multiline) return;
   if (e.code == "Enter" || e.which == 13 || e.keyCode == 13) {
    _JS_MobileKeyboard_Hide(true);
   }
  });
  input.addEventListener("blur", function(e) {
   _JS_MobileKeyboard_Hide(true);
   e.stopPropagation();
   e.preventDefault();
  });
  input.select();
  input.focus();
 } else {
  input.select();
 }
}

function _JS_Module_WebGLContextAttributes_PowerPreference() {
 return Module.webglContextAttributes.powerPreference;
}

function _JS_Module_WebGLContextAttributes_PremultipliedAlpha() {
 return Module.webglContextAttributes.premultipliedAlpha;
}

function _JS_Module_WebGLContextAttributes_PreserveDrawingBuffer() {
 return Module.webglContextAttributes.preserveDrawingBuffer;
}

var JS_OrientationSensor = null;

var JS_OrientationSensor_callback = 0;

function _JS_OrientationSensor_IsRunning() {
 return JS_OrientationSensor && JS_OrientationSensor.activated || JS_OrientationSensor_callback != 0;
}

function JS_OrientationSensor_eventHandler() {
 if (JS_OrientationSensor_callback != 0) getWasmTableEntry(JS_OrientationSensor_callback)(JS_OrientationSensor.quaternion[0], JS_OrientationSensor.quaternion[1], JS_OrientationSensor.quaternion[2], JS_OrientationSensor.quaternion[3]);
}

var JS_OrientationSensor_frequencyRequest = 0;

function JS_DeviceOrientation_eventHandler(event) {
 if (JS_OrientationSensor_callback) {
  var degToRad = Math.PI / 180;
  var x = event.beta * degToRad;
  var y = event.gamma * degToRad;
  var z = event.alpha * degToRad;
  var cx = Math.cos(x / 2);
  var sx = Math.sin(x / 2);
  var cy = Math.cos(y / 2);
  var sy = Math.sin(y / 2);
  var cz = Math.cos(z / 2);
  var sz = Math.sin(z / 2);
  var qx = sx * cy * cz - cx * sy * sz;
  var qy = cx * sy * cz + sx * cy * sz;
  var qz = cx * cy * sz + sx * sy * cz;
  var qw = cx * cy * cz - sx * sy * sz;
  getWasmTableEntry(JS_OrientationSensor_callback)(qx, qy, qz, qw);
 }
}

function _JS_OrientationSensor_Start(callback, frequency) {
 assert(callback != 0, "Invalid callback passed to JS_OrientationSensor_Start");
 if (typeof RelativeOrientationSensor === "undefined") {
  if (JS_OrientationSensor_callback == 0) {
   JS_OrientationSensor_callback = callback;
   JS_RequestDeviceSensorPermissions(1);
   window.addEventListener("deviceorientation", JS_DeviceOrientation_eventHandler);
  }
  return;
 }
 JS_OrientationSensor_callback = callback;
 function InitializeOrientationSensor(frequency) {
  JS_OrientationSensor = new RelativeOrientationSensor({
   frequency: frequency,
   referenceFrame: "device"
  });
  JS_OrientationSensor.addEventListener("reading", JS_OrientationSensor_eventHandler);
  JS_OrientationSensor.addEventListener("error", function(e) {
   warnOnce(e.error ? e.error : e);
  });
  JS_OrientationSensor.start();
 }
 if (JS_OrientationSensor) {
  JS_OrientationSensor.stop();
  JS_OrientationSensor.removeEventListener("reading", JS_OrientationSensor_eventHandler);
  InitializeOrientationSensor(frequency);
 } else if (JS_OrientationSensor_frequencyRequest != 0) {
  JS_OrientationSensor_frequencyRequest = frequency;
 } else {
  JS_OrientationSensor_frequencyRequest = frequency;
  Promise.all([ navigator.permissions.query({
   name: "accelerometer"
  }), navigator.permissions.query({
   name: "gyroscope"
  }) ]).then(function(results) {
   if (results.every(function(result) {
    return result.state === "granted";
   })) {
    InitializeOrientationSensor(JS_OrientationSensor_frequencyRequest);
   } else {
    warnOnce("No permissions to use RelativeOrientationSensor.");
   }
   JS_OrientationSensor_frequencyRequest = 0;
  });
 }
}

function _JS_OrientationSensor_Stop() {
 if (JS_OrientationSensor) {
  JS_OrientationSensor.stop();
  JS_OrientationSensor.removeEventListener("reading", JS_OrientationSensor_eventHandler);
  JS_OrientationSensor = null;
 } else if (JS_OrientationSensor_callback != 0) {
  window.removeEventListener("deviceorientation", JS_DeviceOrientation_eventHandler);
 }
 JS_OrientationSensor_callback = 0;
}

function _JS_RequestDeviceSensorPermissionsOnTouch() {
 if (JS_DeviceSensorPermissions == 0) return;
 JS_RequestDeviceSensorPermissions(JS_DeviceSensorPermissions);
}

function _JS_RunQuitCallbacks() {
 Module.QuitCleanup();
}

var JS_ScreenOrientation_callback = 0;

function JS_ScreenOrientation_eventHandler() {
 if (JS_ScreenOrientation_callback) getWasmTableEntry(JS_ScreenOrientation_callback)(window.innerWidth, window.innerHeight, screen.orientation ? screen.orientation.angle : window.orientation);
}

function _JS_ScreenOrientation_DeInit() {
 JS_ScreenOrientation_callback = 0;
 window.removeEventListener("resize", JS_ScreenOrientation_eventHandler);
 if (screen.orientation) {
  screen.orientation.removeEventListener("change", JS_ScreenOrientation_eventHandler);
 }
}

function _JS_ScreenOrientation_Init(callback) {
 if (!JS_ScreenOrientation_callback) {
  if (screen.orientation) {
   screen.orientation.addEventListener("change", JS_ScreenOrientation_eventHandler);
  }
  window.addEventListener("resize", JS_ScreenOrientation_eventHandler);
  JS_ScreenOrientation_callback = callback;
  setTimeout(JS_ScreenOrientation_eventHandler, 0);
 }
}

var JS_ScreenOrientation_requestedLockType = -1;

var JS_ScreenOrientation_appliedLockType = -1;

var JS_ScreenOrientation_timeoutID = -1;

function _JS_ScreenOrientation_Lock(orientationLockType) {
 if (!screen.orientation || !screen.orientation.lock) {
  return;
 }
 function applyLock() {
  JS_ScreenOrientation_appliedLockType = JS_ScreenOrientation_requestedLockType;
  var screenOrientations = [ "any", 0, "landscape", "portrait", "portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary" ];
  var type = screenOrientations[JS_ScreenOrientation_appliedLockType];
  assert(type, "Invalid orientationLockType passed to JS_ScreenOrientation_Lock");
  screen.orientation.lock(type).then(function() {
   if (JS_ScreenOrientation_requestedLockType != JS_ScreenOrientation_appliedLockType) {
    JS_ScreenOrientation_timeoutID = setTimeout(applyLock, 0);
   } else {
    JS_ScreenOrientation_timeoutID = -1;
   }
  }).catch(function(err) {
   warnOnce(err);
   JS_ScreenOrientation_timeoutID = -1;
  });
 }
 JS_ScreenOrientation_requestedLockType = orientationLockType;
 if (JS_ScreenOrientation_timeoutID == -1 && orientationLockType != JS_ScreenOrientation_appliedLockType) {
  JS_ScreenOrientation_timeoutID = setTimeout(applyLock, 0);
 }
}

function handleException(e) {
 if (e instanceof ExitStatus || e == "unwind") {
  return EXITSTATUS;
 }
 checkStackCookie();
 if (e instanceof WebAssembly.RuntimeError) {
  if (_emscripten_stack_get_current() <= 0) {
   err("Stack overflow detected.  You can try increasing -sSTACK_SIZE (currently set to " + 524288 + ")");
  }
 }
 quit_(1, e);
}

var PATH = {
 isAbs: path => path.charAt(0) === "/",
 splitPath: filename => {
  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
  return splitPathRe.exec(filename).slice(1);
 },
 normalizeArray: (parts, allowAboveRoot) => {
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
   var last = parts[i];
   if (last === ".") {
    parts.splice(i, 1);
   } else if (last === "..") {
    parts.splice(i, 1);
    up++;
   } else if (up) {
    parts.splice(i, 1);
    up--;
   }
  }
  if (allowAboveRoot) {
   for (;up; up--) {
    parts.unshift("..");
   }
  }
  return parts;
 },
 normalize: path => {
  var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === "/";
  path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
  if (!path && !isAbsolute) {
   path = ".";
  }
  if (path && trailingSlash) {
   path += "/";
  }
  return (isAbsolute ? "/" : "") + path;
 },
 dirname: path => {
  var result = PATH.splitPath(path), root = result[0], dir = result[1];
  if (!root && !dir) {
   return ".";
  }
  if (dir) {
   dir = dir.substr(0, dir.length - 1);
  }
  return root + dir;
 },
 basename: path => {
  if (path === "/") return "/";
  path = PATH.normalize(path);
  path = path.replace(/\/$/, "");
  var lastSlash = path.lastIndexOf("/");
  if (lastSlash === -1) return path;
  return path.substr(lastSlash + 1);
 },
 join: function() {
  var paths = Array.prototype.slice.call(arguments);
  return PATH.normalize(paths.join("/"));
 },
 join2: (l, r) => {
  return PATH.normalize(l + "/" + r);
 }
};

function initRandomFill() {
 if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
  return view => crypto.getRandomValues(view);
 } else abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
}

function randomFill(view) {
 return (randomFill = initRandomFill())(view);
}

var PATH_FS = {
 resolve: function() {
  var resolvedPath = "", resolvedAbsolute = false;
  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
   var path = i >= 0 ? arguments[i] : FS.cwd();
   if (typeof path != "string") {
    throw new TypeError("Arguments to path.resolve must be strings");
   } else if (!path) {
    return "";
   }
   resolvedPath = path + "/" + resolvedPath;
   resolvedAbsolute = PATH.isAbs(path);
  }
  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
 },
 relative: (from, to) => {
  from = PATH_FS.resolve(from).substr(1);
  to = PATH_FS.resolve(to).substr(1);
  function trim(arr) {
   var start = 0;
   for (;start < arr.length; start++) {
    if (arr[start] !== "") break;
   }
   var end = arr.length - 1;
   for (;end >= 0; end--) {
    if (arr[end] !== "") break;
   }
   if (start > end) return [];
   return arr.slice(start, end - start + 1);
  }
  var fromParts = trim(from.split("/"));
  var toParts = trim(to.split("/"));
  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
   if (fromParts[i] !== toParts[i]) {
    samePartsLength = i;
    break;
   }
  }
  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
   outputParts.push("..");
  }
  outputParts = outputParts.concat(toParts.slice(samePartsLength));
  return outputParts.join("/");
 }
};

function intArrayFromString(stringy, dontAddNull, length) {
 var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
 var u8array = new Array(len);
 var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
 if (dontAddNull) u8array.length = numBytesWritten;
 return u8array;
}

var TTY = {
 ttys: [],
 init: function() {},
 shutdown: function() {},
 register: function(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open: function(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(43);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  fsync: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  read: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.get_char) {
    throw new FS.ErrnoError(60);
   }
   var bytesRead = 0;
   for (var i = 0; i < length; i++) {
    var result;
    try {
     result = stream.tty.ops.get_char(stream.tty);
    } catch (e) {
     throw new FS.ErrnoError(29);
    }
    if (result === undefined && bytesRead === 0) {
     throw new FS.ErrnoError(6);
    }
    if (result === null || result === undefined) break;
    bytesRead++;
    buffer[offset + i] = result;
   }
   if (bytesRead) {
    stream.node.timestamp = Date.now();
   }
   return bytesRead;
  },
  write: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.put_char) {
    throw new FS.ErrnoError(60);
   }
   try {
    for (var i = 0; i < length; i++) {
     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
    }
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
   if (length) {
    stream.node.timestamp = Date.now();
   }
   return i;
  }
 },
 default_tty_ops: {
  get_char: function(tty) {
   if (!tty.input.length) {
    var result = null;
    if (typeof window != "undefined" && typeof window.prompt == "function") {
     result = window.prompt("Input: ");
     if (result !== null) {
      result += "\n";
     }
    } else if (typeof readline == "function") {
     result = readline();
     if (result !== null) {
      result += "\n";
     }
    }
    if (!result) {
     return null;
    }
    tty.input = intArrayFromString(result, true);
   }
   return tty.input.shift();
  },
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 },
 default_tty1_ops: {
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

function zeroMemory(address, size) {
 HEAPU8.fill(0, address, address + size);
 return address;
}

function alignMemory(size, alignment) {
 assert(alignment, "alignment argument is required");
 return Math.ceil(size / alignment) * alignment;
}

function mmapAlloc(size) {
 size = alignMemory(size, 65536);
 var ptr = _emscripten_builtin_memalign(65536, size);
 if (!ptr) return 0;
 return zeroMemory(ptr, size);
}

var MEMFS = {
 ops_table: null,
 mount: function(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
   throw new FS.ErrnoError(63);
  }
  if (!MEMFS.ops_table) {
   MEMFS.ops_table = {
    dir: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      lookup: MEMFS.node_ops.lookup,
      mknod: MEMFS.node_ops.mknod,
      rename: MEMFS.node_ops.rename,
      unlink: MEMFS.node_ops.unlink,
      rmdir: MEMFS.node_ops.rmdir,
      readdir: MEMFS.node_ops.readdir,
      symlink: MEMFS.node_ops.symlink
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek
     }
    },
    file: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek,
      read: MEMFS.stream_ops.read,
      write: MEMFS.stream_ops.write,
      allocate: MEMFS.stream_ops.allocate,
      mmap: MEMFS.stream_ops.mmap,
      msync: MEMFS.stream_ops.msync
     }
    },
    link: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      readlink: MEMFS.node_ops.readlink
     },
     stream: {}
    },
    chrdev: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: FS.chrdev_stream_ops
    }
   };
  }
  var node = FS.createNode(parent, name, mode, dev);
  if (FS.isDir(node.mode)) {
   node.node_ops = MEMFS.ops_table.dir.node;
   node.stream_ops = MEMFS.ops_table.dir.stream;
   node.contents = {};
  } else if (FS.isFile(node.mode)) {
   node.node_ops = MEMFS.ops_table.file.node;
   node.stream_ops = MEMFS.ops_table.file.stream;
   node.usedBytes = 0;
   node.contents = null;
  } else if (FS.isLink(node.mode)) {
   node.node_ops = MEMFS.ops_table.link.node;
   node.stream_ops = MEMFS.ops_table.link.stream;
  } else if (FS.isChrdev(node.mode)) {
   node.node_ops = MEMFS.ops_table.chrdev.node;
   node.stream_ops = MEMFS.ops_table.chrdev.stream;
  }
  node.timestamp = Date.now();
  if (parent) {
   parent.contents[name] = node;
   parent.timestamp = node.timestamp;
  }
  return node;
 },
 getFileDataAsTypedArray: function(node) {
  if (!node.contents) return new Uint8Array(0);
  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
  return new Uint8Array(node.contents);
 },
 expandFileStorage: function(node, newCapacity) {
  newCapacity >>>= 0;
  var prevCapacity = node.contents ? node.contents.length : 0;
  if (prevCapacity >= newCapacity) return;
  var CAPACITY_DOUBLING_MAX = 1024 * 1024;
  newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
  if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
  var oldContents = node.contents;
  node.contents = new Uint8Array(newCapacity);
  if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
 },
 resizeFileStorage: function(node, newSize) {
  newSize >>>= 0;
  if (node.usedBytes == newSize) return;
  if (newSize == 0) {
   node.contents = null;
   node.usedBytes = 0;
  } else {
   var oldContents = node.contents;
   node.contents = new Uint8Array(newSize);
   if (oldContents) {
    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
   }
   node.usedBytes = newSize;
  }
 },
 node_ops: {
  getattr: function(node) {
   var attr = {};
   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
   attr.ino = node.id;
   attr.mode = node.mode;
   attr.nlink = 1;
   attr.uid = 0;
   attr.gid = 0;
   attr.rdev = node.rdev;
   if (FS.isDir(node.mode)) {
    attr.size = 4096;
   } else if (FS.isFile(node.mode)) {
    attr.size = node.usedBytes;
   } else if (FS.isLink(node.mode)) {
    attr.size = node.link.length;
   } else {
    attr.size = 0;
   }
   attr.atime = new Date(node.timestamp);
   attr.mtime = new Date(node.timestamp);
   attr.ctime = new Date(node.timestamp);
   attr.blksize = 4096;
   attr.blocks = Math.ceil(attr.size / attr.blksize);
   return attr;
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
   if (attr.size !== undefined) {
    MEMFS.resizeFileStorage(node, attr.size);
   }
  },
  lookup: function(parent, name) {
   throw FS.genericErrors[44];
  },
  mknod: function(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename: function(old_node, new_dir, new_name) {
   if (FS.isDir(old_node.mode)) {
    var new_node;
    try {
     new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (new_node) {
     for (var i in new_node.contents) {
      throw new FS.ErrnoError(55);
     }
    }
   }
   delete old_node.parent.contents[old_node.name];
   old_node.parent.timestamp = Date.now();
   old_node.name = new_name;
   new_dir.contents[new_name] = old_node;
   new_dir.timestamp = old_node.parent.timestamp;
   old_node.parent = new_dir;
  },
  unlink: function(parent, name) {
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  rmdir: function(parent, name) {
   var node = FS.lookupNode(parent, name);
   for (var i in node.contents) {
    throw new FS.ErrnoError(55);
   }
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink: function(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(28);
   }
   return node.link;
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= stream.node.usedBytes) return 0;
   var size = Math.min(stream.node.usedBytes - position, length);
   assert(size >= 0);
   if (size > 8 && contents.subarray) {
    buffer.set(contents.subarray(position, position + size), offset);
   } else {
    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
   }
   return size;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
   assert(!(buffer instanceof ArrayBuffer));
   if (buffer.buffer === HEAP8.buffer) {
    canOwn = false;
   }
   if (!length) return 0;
   var node = stream.node;
   node.timestamp = Date.now();
   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
    if (canOwn) {
     assert(position === 0, "canOwn must imply no weird position inside the file");
     node.contents = buffer.subarray(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (node.usedBytes === 0 && position === 0) {
     node.contents = buffer.slice(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (position + length <= node.usedBytes) {
     node.contents.set(buffer.subarray(offset, offset + length), position);
     return length;
    }
   }
   MEMFS.expandFileStorage(node, position + length);
   if (node.contents.subarray && buffer.subarray) {
    node.contents.set(buffer.subarray(offset, offset + length), position);
   } else {
    for (var i = 0; i < length; i++) {
     node.contents[position + i] = buffer[offset + i];
    }
   }
   node.usedBytes = Math.max(node.usedBytes, position + length);
   return length;
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.usedBytes;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(28);
   }
   return position;
  },
  allocate: function(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap: function(stream, length, position, prot, flags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   var ptr;
   var allocated;
   var contents = stream.node.contents;
   if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
    allocated = false;
    ptr = contents.byteOffset;
   } else {
    if (position > 0 || position + length < contents.length) {
     if (contents.subarray) {
      contents = contents.subarray(position, position + length);
     } else {
      contents = Array.prototype.slice.call(contents, position, position + length);
     }
    }
    allocated = true;
    ptr = mmapAlloc(length);
    if (!ptr) {
     throw new FS.ErrnoError(48);
    }
    ptr >>>= 0;
    HEAP8.set(contents, ptr >>> 0);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
   MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

function asyncLoad(url, onload, onerror, noRunDep) {
 var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
 readAsync(url, arrayBuffer => {
  assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
  onload(new Uint8Array(arrayBuffer));
  if (dep) removeRunDependency(dep);
 }, event => {
  if (onerror) {
   onerror();
  } else {
   throw `Loading data file "${url}" failed.`;
  }
 });
 if (dep) addRunDependency(dep);
}

var preloadPlugins = Module["preloadPlugins"] || [];

function FS_handledByPreloadPlugin(byteArray, fullname, finish, onerror) {
 if (typeof Browser != "undefined") Browser.init();
 var handled = false;
 preloadPlugins.forEach(function(plugin) {
  if (handled) return;
  if (plugin["canHandle"](fullname)) {
   plugin["handle"](byteArray, fullname, finish, onerror);
   handled = true;
  }
 });
 return handled;
}

function FS_createPreloadedFile(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
 var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
 var dep = getUniqueRunDependency("cp " + fullname);
 function processData(byteArray) {
  function finish(byteArray) {
   if (preFinish) preFinish();
   if (!dontCreateFile) {
    FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
   }
   if (onload) onload();
   removeRunDependency(dep);
  }
  if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
   if (onerror) onerror();
   removeRunDependency(dep);
  })) {
   return;
  }
  finish(byteArray);
 }
 addRunDependency(dep);
 if (typeof url == "string") {
  asyncLoad(url, byteArray => processData(byteArray), onerror);
 } else {
  processData(url);
 }
}

function FS_modeStringToFlags(str) {
 var flagModes = {
  "r": 0,
  "r+": 2,
  "w": 512 | 64 | 1,
  "w+": 512 | 64 | 2,
  "a": 1024 | 64 | 1,
  "a+": 1024 | 64 | 2
 };
 var flags = flagModes[str];
 if (typeof flags == "undefined") {
  throw new Error("Unknown file open mode: " + str);
 }
 return flags;
}

function FS_getMode(canRead, canWrite) {
 var mode = 0;
 if (canRead) mode |= 292 | 73;
 if (canWrite) mode |= 146;
 return mode;
}

var IDBFS = {
 dbs: {},
 indexedDB: () => {
  if (typeof indexedDB != "undefined") return indexedDB;
  var ret = null;
  if (typeof window == "object") ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
  assert(ret, "IDBFS used, but indexedDB not supported");
  return ret;
 },
 DB_VERSION: 21,
 DB_STORE_NAME: "FILE_DATA",
 mount: function(mount) {
  return MEMFS.mount.apply(null, arguments);
 },
 syncfs: (mount, populate, callback) => {
  IDBFS.getLocalSet(mount, (err, local) => {
   if (err) return callback(err);
   IDBFS.getRemoteSet(mount, (err, remote) => {
    if (err) return callback(err);
    var src = populate ? remote : local;
    var dst = populate ? local : remote;
    IDBFS.reconcile(src, dst, callback);
   });
  });
 },
 quit: () => {
  Object.values(IDBFS.dbs).forEach(value => value.close());
  IDBFS.dbs = {};
 },
 getDB: (name, callback) => {
  var db = IDBFS.dbs[name];
  if (db) {
   return callback(null, db);
  }
  var req;
  try {
   req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
  } catch (e) {
   return callback(e);
  }
  if (!req) {
   return callback("Unable to connect to IndexedDB");
  }
  req.onupgradeneeded = e => {
   var db = e.target.result;
   var transaction = e.target.transaction;
   var fileStore;
   if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
    fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
   } else {
    fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
   }
   if (!fileStore.indexNames.contains("timestamp")) {
    fileStore.createIndex("timestamp", "timestamp", {
     unique: false
    });
   }
  };
  req.onsuccess = () => {
   db = req.result;
   IDBFS.dbs[name] = db;
   callback(null, db);
  };
  req.onerror = e => {
   callback(this.error);
   e.preventDefault();
  };
 },
 getLocalSet: (mount, callback) => {
  var entries = {};
  function isRealDir(p) {
   return p !== "." && p !== "..";
  }
  function toAbsolute(root) {
   return p => {
    return PATH.join2(root, p);
   };
  }
  var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
  while (check.length) {
   var path = check.pop();
   var stat;
   try {
    stat = FS.stat(path);
   } catch (e) {
    return callback(e);
   }
   if (FS.isDir(stat.mode)) {
    check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
   }
   entries[path] = {
    "timestamp": stat.mtime
   };
  }
  return callback(null, {
   type: "local",
   entries: entries
  });
 },
 getRemoteSet: (mount, callback) => {
  var entries = {};
  IDBFS.getDB(mount.mountpoint, (err, db) => {
   if (err) return callback(err);
   try {
    var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readonly");
    transaction.onerror = e => {
     callback(this.error);
     e.preventDefault();
    };
    var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
    var index = store.index("timestamp");
    index.openKeyCursor().onsuccess = event => {
     var cursor = event.target.result;
     if (!cursor) {
      return callback(null, {
       type: "remote",
       db: db,
       entries: entries
      });
     }
     entries[cursor.primaryKey] = {
      "timestamp": cursor.key
     };
     cursor.continue();
    };
   } catch (e) {
    return callback(e);
   }
  });
 },
 loadLocalEntry: (path, callback) => {
  var stat, node;
  try {
   var lookup = FS.lookupPath(path);
   node = lookup.node;
   stat = FS.stat(path);
  } catch (e) {
   return callback(e);
  }
  if (FS.isDir(stat.mode)) {
   return callback(null, {
    "timestamp": stat.mtime,
    "mode": stat.mode
   });
  } else if (FS.isFile(stat.mode)) {
   node.contents = MEMFS.getFileDataAsTypedArray(node);
   return callback(null, {
    "timestamp": stat.mtime,
    "mode": stat.mode,
    "contents": node.contents
   });
  } else {
   return callback(new Error("node type not supported"));
  }
 },
 storeLocalEntry: (path, entry, callback) => {
  try {
   if (FS.isDir(entry["mode"])) {
    FS.mkdirTree(path, entry["mode"]);
   } else if (FS.isFile(entry["mode"])) {
    FS.writeFile(path, entry["contents"], {
     canOwn: true
    });
   } else {
    return callback(new Error("node type not supported"));
   }
   FS.chmod(path, entry["mode"]);
   FS.utime(path, entry["timestamp"], entry["timestamp"]);
  } catch (e) {
   return callback(e);
  }
  callback(null);
 },
 removeLocalEntry: (path, callback) => {
  try {
   var stat = FS.stat(path);
   if (FS.isDir(stat.mode)) {
    FS.rmdir(path);
   } else if (FS.isFile(stat.mode)) {
    FS.unlink(path);
   }
  } catch (e) {
   return callback(e);
  }
  callback(null);
 },
 loadRemoteEntry: (store, path, callback) => {
  var req = store.get(path);
  req.onsuccess = event => {
   callback(null, event.target.result);
  };
  req.onerror = e => {
   callback(this.error);
   e.preventDefault();
  };
 },
 storeRemoteEntry: (store, path, entry, callback) => {
  try {
   var req = store.put(entry, path);
  } catch (e) {
   callback(e);
   return;
  }
  req.onsuccess = () => {
   callback(null);
  };
  req.onerror = e => {
   callback(this.error);
   e.preventDefault();
  };
 },
 removeRemoteEntry: (store, path, callback) => {
  var req = store.delete(path);
  req.onsuccess = () => {
   callback(null);
  };
  req.onerror = e => {
   callback(this.error);
   e.preventDefault();
  };
 },
 reconcile: (src, dst, callback) => {
  var total = 0;
  var create = [];
  Object.keys(src.entries).forEach(function(key) {
   var e = src.entries[key];
   var e2 = dst.entries[key];
   if (!e2 || e["timestamp"].getTime() != e2["timestamp"].getTime()) {
    create.push(key);
    total++;
   }
  });
  var remove = [];
  Object.keys(dst.entries).forEach(function(key) {
   if (!src.entries[key]) {
    remove.push(key);
    total++;
   }
  });
  if (!total) {
   return callback(null);
  }
  var errored = false;
  var db = src.type === "remote" ? src.db : dst.db;
  var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readwrite");
  var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
  function done(err) {
   if (err && !errored) {
    errored = true;
    return callback(err);
   }
  }
  transaction.onerror = e => {
   done(this.error);
   e.preventDefault();
  };
  transaction.oncomplete = e => {
   if (!errored) {
    callback(null);
   }
  };
  create.sort().forEach(path => {
   if (dst.type === "local") {
    IDBFS.loadRemoteEntry(store, path, (err, entry) => {
     if (err) return done(err);
     IDBFS.storeLocalEntry(path, entry, done);
    });
   } else {
    IDBFS.loadLocalEntry(path, (err, entry) => {
     if (err) return done(err);
     IDBFS.storeRemoteEntry(store, path, entry, done);
    });
   }
  });
  remove.sort().reverse().forEach(path => {
   if (dst.type === "local") {
    IDBFS.removeLocalEntry(path, done);
   } else {
    IDBFS.removeRemoteEntry(store, path, done);
   }
  });
 }
};

var ERRNO_MESSAGES = {
 0: "Success",
 1: "Arg list too long",
 2: "Permission denied",
 3: "Address already in use",
 4: "Address not available",
 5: "Address family not supported by protocol family",
 6: "No more processes",
 7: "Socket already connected",
 8: "Bad file number",
 9: "Trying to read unreadable message",
 10: "Mount device busy",
 11: "Operation canceled",
 12: "No children",
 13: "Connection aborted",
 14: "Connection refused",
 15: "Connection reset by peer",
 16: "File locking deadlock error",
 17: "Destination address required",
 18: "Math arg out of domain of func",
 19: "Quota exceeded",
 20: "File exists",
 21: "Bad address",
 22: "File too large",
 23: "Host is unreachable",
 24: "Identifier removed",
 25: "Illegal byte sequence",
 26: "Connection already in progress",
 27: "Interrupted system call",
 28: "Invalid argument",
 29: "I/O error",
 30: "Socket is already connected",
 31: "Is a directory",
 32: "Too many symbolic links",
 33: "Too many open files",
 34: "Too many links",
 35: "Message too long",
 36: "Multihop attempted",
 37: "File or path name too long",
 38: "Network interface is not configured",
 39: "Connection reset by network",
 40: "Network is unreachable",
 41: "Too many open files in system",
 42: "No buffer space available",
 43: "No such device",
 44: "No such file or directory",
 45: "Exec format error",
 46: "No record locks available",
 47: "The link has been severed",
 48: "Not enough core",
 49: "No message of desired type",
 50: "Protocol not available",
 51: "No space left on device",
 52: "Function not implemented",
 53: "Socket is not connected",
 54: "Not a directory",
 55: "Directory not empty",
 56: "State not recoverable",
 57: "Socket operation on non-socket",
 59: "Not a typewriter",
 60: "No such device or address",
 61: "Value too large for defined data type",
 62: "Previous owner died",
 63: "Not super-user",
 64: "Broken pipe",
 65: "Protocol error",
 66: "Unknown protocol",
 67: "Protocol wrong type for socket",
 68: "Math result not representable",
 69: "Read only file system",
 70: "Illegal seek",
 71: "No such process",
 72: "Stale file handle",
 73: "Connection timed out",
 74: "Text file busy",
 75: "Cross-device link",
 100: "Device not a stream",
 101: "Bad font file fmt",
 102: "Invalid slot",
 103: "Invalid request code",
 104: "No anode",
 105: "Block device required",
 106: "Channel number out of range",
 107: "Level 3 halted",
 108: "Level 3 reset",
 109: "Link number out of range",
 110: "Protocol driver not attached",
 111: "No CSI structure available",
 112: "Level 2 halted",
 113: "Invalid exchange",
 114: "Invalid request descriptor",
 115: "Exchange full",
 116: "No data (for no delay io)",
 117: "Timer expired",
 118: "Out of streams resources",
 119: "Machine is not on the network",
 120: "Package not installed",
 121: "The object is remote",
 122: "Advertise error",
 123: "Srmount error",
 124: "Communication error on send",
 125: "Cross mount point (not really error)",
 126: "Given log. name not unique",
 127: "f.d. invalid for this operation",
 128: "Remote address changed",
 129: "Can   access a needed shared lib",
 130: "Accessing a corrupted shared lib",
 131: ".lib section in a.out corrupted",
 132: "Attempting to link in too many libs",
 133: "Attempting to exec a shared library",
 135: "Streams pipe error",
 136: "Too many users",
 137: "Socket type not supported",
 138: "Not supported",
 139: "Protocol family not supported",
 140: "Can't send after socket shutdown",
 141: "Too many references",
 142: "Host is down",
 148: "No medium (in tape drive)",
 156: "Level 2 not synchronized"
};

var ERRNO_CODES = {};

var FS = {
 root: null,
 mounts: [],
 devices: {},
 streams: [],
 nextInode: 1,
 nameTable: null,
 currentPath: "/",
 initialized: false,
 ignorePermissions: true,
 ErrnoError: null,
 genericErrors: {},
 filesystems: null,
 syncFSRequests: 0,
 lookupPath: (path, opts = {}) => {
  path = PATH_FS.resolve(path);
  if (!path) return {
   path: "",
   node: null
  };
  var defaults = {
   follow_mount: true,
   recurse_count: 0
  };
  opts = Object.assign(defaults, opts);
  if (opts.recurse_count > 8) {
   throw new FS.ErrnoError(32);
  }
  var parts = path.split("/").filter(p => !!p);
  var current = FS.root;
  var current_path = "/";
  for (var i = 0; i < parts.length; i++) {
   var islast = i === parts.length - 1;
   if (islast && opts.parent) {
    break;
   }
   current = FS.lookupNode(current, parts[i]);
   current_path = PATH.join2(current_path, parts[i]);
   if (FS.isMountpoint(current)) {
    if (!islast || islast && opts.follow_mount) {
     current = current.mounted.root;
    }
   }
   if (!islast || opts.follow) {
    var count = 0;
    while (FS.isLink(current.mode)) {
     var link = FS.readlink(current_path);
     current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
     var lookup = FS.lookupPath(current_path, {
      recurse_count: opts.recurse_count + 1
     });
     current = lookup.node;
     if (count++ > 40) {
      throw new FS.ErrnoError(32);
     }
    }
   }
  }
  return {
   path: current_path,
   node: current
  };
 },
 getPath: node => {
  var path;
  while (true) {
   if (FS.isRoot(node)) {
    var mount = node.mount.mountpoint;
    if (!path) return mount;
    return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
   }
   path = path ? node.name + "/" + path : node.name;
   node = node.parent;
  }
 },
 hashName: (parentid, name) => {
  var hash = 0;
  for (var i = 0; i < name.length; i++) {
   hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
  }
  return (parentid + hash >>> 0) % FS.nameTable.length;
 },
 hashAddNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  node.name_next = FS.nameTable[hash];
  FS.nameTable[hash] = node;
 },
 hashRemoveNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  if (FS.nameTable[hash] === node) {
   FS.nameTable[hash] = node.name_next;
  } else {
   var current = FS.nameTable[hash];
   while (current) {
    if (current.name_next === node) {
     current.name_next = node.name_next;
     break;
    }
    current = current.name_next;
   }
  }
 },
 lookupNode: (parent, name) => {
  var errCode = FS.mayLookup(parent);
  if (errCode) {
   throw new FS.ErrnoError(errCode, parent);
  }
  var hash = FS.hashName(parent.id, name);
  for (var node = FS.nameTable[hash]; node; node = node.name_next) {
   var nodeName = node.name;
   if (node.parent.id === parent.id && nodeName === name) {
    return node;
   }
  }
  return FS.lookup(parent, name);
 },
 createNode: (parent, name, mode, rdev) => {
  assert(typeof parent == "object");
  var node = new FS.FSNode(parent, name, mode, rdev);
  FS.hashAddNode(node);
  return node;
 },
 destroyNode: node => {
  FS.hashRemoveNode(node);
 },
 isRoot: node => {
  return node === node.parent;
 },
 isMountpoint: node => {
  return !!node.mounted;
 },
 isFile: mode => {
  return (mode & 61440) === 32768;
 },
 isDir: mode => {
  return (mode & 61440) === 16384;
 },
 isLink: mode => {
  return (mode & 61440) === 40960;
 },
 isChrdev: mode => {
  return (mode & 61440) === 8192;
 },
 isBlkdev: mode => {
  return (mode & 61440) === 24576;
 },
 isFIFO: mode => {
  return (mode & 61440) === 4096;
 },
 isSocket: mode => {
  return (mode & 49152) === 49152;
 },
 flagsToPermissionString: flag => {
  var perms = [ "r", "w", "rw" ][flag & 3];
  if (flag & 512) {
   perms += "w";
  }
  return perms;
 },
 nodePermissions: (node, perms) => {
  if (FS.ignorePermissions) {
   return 0;
  }
  if (perms.includes("r") && !(node.mode & 292)) {
   return 2;
  } else if (perms.includes("w") && !(node.mode & 146)) {
   return 2;
  } else if (perms.includes("x") && !(node.mode & 73)) {
   return 2;
  }
  return 0;
 },
 mayLookup: dir => {
  var errCode = FS.nodePermissions(dir, "x");
  if (errCode) return errCode;
  if (!dir.node_ops.lookup) return 2;
  return 0;
 },
 mayCreate: (dir, name) => {
  try {
   var node = FS.lookupNode(dir, name);
   return 20;
  } catch (e) {}
  return FS.nodePermissions(dir, "wx");
 },
 mayDelete: (dir, name, isdir) => {
  var node;
  try {
   node = FS.lookupNode(dir, name);
  } catch (e) {
   return e.errno;
  }
  var errCode = FS.nodePermissions(dir, "wx");
  if (errCode) {
   return errCode;
  }
  if (isdir) {
   if (!FS.isDir(node.mode)) {
    return 54;
   }
   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
    return 10;
   }
  } else {
   if (FS.isDir(node.mode)) {
    return 31;
   }
  }
  return 0;
 },
 mayOpen: (node, flags) => {
  if (!node) {
   return 44;
  }
  if (FS.isLink(node.mode)) {
   return 32;
  } else if (FS.isDir(node.mode)) {
   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
    return 31;
   }
  }
  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
 },
 MAX_OPEN_FDS: 4096,
 nextfd: (fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
  for (var fd = fd_start; fd <= fd_end; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(33);
 },
 getStream: fd => FS.streams[fd],
 createStream: (stream, fd_start, fd_end) => {
  if (!FS.FSStream) {
   FS.FSStream = function() {
    this.shared = {};
   };
   FS.FSStream.prototype = {};
   Object.defineProperties(FS.FSStream.prototype, {
    object: {
     get: function() {
      return this.node;
     },
     set: function(val) {
      this.node = val;
     }
    },
    isRead: {
     get: function() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     get: function() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     get: function() {
      return this.flags & 1024;
     }
    },
    flags: {
     get: function() {
      return this.shared.flags;
     },
     set: function(val) {
      this.shared.flags = val;
     }
    },
    position: {
     get: function() {
      return this.shared.position;
     },
     set: function(val) {
      this.shared.position = val;
     }
    }
   });
  }
  stream = Object.assign(new FS.FSStream(), stream);
  var fd = FS.nextfd(fd_start, fd_end);
  stream.fd = fd;
  FS.streams[fd] = stream;
  return stream;
 },
 closeStream: fd => {
  FS.streams[fd] = null;
 },
 chrdev_stream_ops: {
  open: stream => {
   var device = FS.getDevice(stream.node.rdev);
   stream.stream_ops = device.stream_ops;
   if (stream.stream_ops.open) {
    stream.stream_ops.open(stream);
   }
  },
  llseek: () => {
   throw new FS.ErrnoError(70);
  }
 },
 major: dev => dev >> 8,
 minor: dev => dev & 255,
 makedev: (ma, mi) => ma << 8 | mi,
 registerDevice: (dev, ops) => {
  FS.devices[dev] = {
   stream_ops: ops
  };
 },
 getDevice: dev => FS.devices[dev],
 getMounts: mount => {
  var mounts = [];
  var check = [ mount ];
  while (check.length) {
   var m = check.pop();
   mounts.push(m);
   check.push.apply(check, m.mounts);
  }
  return mounts;
 },
 syncfs: (populate, callback) => {
  if (typeof populate == "function") {
   callback = populate;
   populate = false;
  }
  FS.syncFSRequests++;
  if (FS.syncFSRequests > 1) {
   err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
  }
  var mounts = FS.getMounts(FS.root.mount);
  var completed = 0;
  function doCallback(errCode) {
   assert(FS.syncFSRequests > 0);
   FS.syncFSRequests--;
   return callback(errCode);
  }
  function done(errCode) {
   if (errCode) {
    if (!done.errored) {
     done.errored = true;
     return doCallback(errCode);
    }
    return;
   }
   if (++completed >= mounts.length) {
    doCallback(null);
   }
  }
  mounts.forEach(mount => {
   if (!mount.type.syncfs) {
    return done(null);
   }
   mount.type.syncfs(mount, populate, done);
  });
 },
 mount: (type, opts, mountpoint) => {
  if (typeof type == "string") {
   throw type;
  }
  var root = mountpoint === "/";
  var pseudo = !mountpoint;
  var node;
  if (root && FS.root) {
   throw new FS.ErrnoError(10);
  } else if (!root && !pseudo) {
   var lookup = FS.lookupPath(mountpoint, {
    follow_mount: false
   });
   mountpoint = lookup.path;
   node = lookup.node;
   if (FS.isMountpoint(node)) {
    throw new FS.ErrnoError(10);
   }
   if (!FS.isDir(node.mode)) {
    throw new FS.ErrnoError(54);
   }
  }
  var mount = {
   type: type,
   opts: opts,
   mountpoint: mountpoint,
   mounts: []
  };
  var mountRoot = type.mount(mount);
  mountRoot.mount = mount;
  mount.root = mountRoot;
  if (root) {
   FS.root = mountRoot;
  } else if (node) {
   node.mounted = mount;
   if (node.mount) {
    node.mount.mounts.push(mount);
   }
  }
  return mountRoot;
 },
 unmount: mountpoint => {
  var lookup = FS.lookupPath(mountpoint, {
   follow_mount: false
  });
  if (!FS.isMountpoint(lookup.node)) {
   throw new FS.ErrnoError(28);
  }
  var node = lookup.node;
  var mount = node.mounted;
  var mounts = FS.getMounts(mount);
  Object.keys(FS.nameTable).forEach(hash => {
   var current = FS.nameTable[hash];
   while (current) {
    var next = current.name_next;
    if (mounts.includes(current.mount)) {
     FS.destroyNode(current);
    }
    current = next;
   }
  });
  node.mounted = null;
  var idx = node.mount.mounts.indexOf(mount);
  assert(idx !== -1);
  node.mount.mounts.splice(idx, 1);
 },
 lookup: (parent, name) => {
  return parent.node_ops.lookup(parent, name);
 },
 mknod: (path, mode, dev) => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  if (!name || name === "." || name === "..") {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.mayCreate(parent, name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.mknod) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.mknod(parent, name, mode, dev);
 },
 create: (path, mode) => {
  mode = mode !== undefined ? mode : 438;
  mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir: (path, mode) => {
  mode = mode !== undefined ? mode : 511;
  mode &= 511 | 512;
  mode |= 16384;
  return FS.mknod(path, mode, 0);
 },
 mkdirTree: (path, mode) => {
  var dirs = path.split("/");
  var d = "";
  for (var i = 0; i < dirs.length; ++i) {
   if (!dirs[i]) continue;
   d += "/" + dirs[i];
   try {
    FS.mkdir(d, mode);
   } catch (e) {
    if (e.errno != 20) throw e;
   }
  }
 },
 mkdev: (path, mode, dev) => {
  if (typeof dev == "undefined") {
   dev = mode;
   mode = 438;
  }
  mode |= 8192;
  return FS.mknod(path, mode, dev);
 },
 symlink: (oldpath, newpath) => {
  if (!PATH_FS.resolve(oldpath)) {
   throw new FS.ErrnoError(44);
  }
  var lookup = FS.lookupPath(newpath, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var newname = PATH.basename(newpath);
  var errCode = FS.mayCreate(parent, newname);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.symlink) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.symlink(parent, newname, oldpath);
 },
 rename: (old_path, new_path) => {
  var old_dirname = PATH.dirname(old_path);
  var new_dirname = PATH.dirname(new_path);
  var old_name = PATH.basename(old_path);
  var new_name = PATH.basename(new_path);
  var lookup, old_dir, new_dir;
  lookup = FS.lookupPath(old_path, {
   parent: true
  });
  old_dir = lookup.node;
  lookup = FS.lookupPath(new_path, {
   parent: true
  });
  new_dir = lookup.node;
  if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
  if (old_dir.mount !== new_dir.mount) {
   throw new FS.ErrnoError(75);
  }
  var old_node = FS.lookupNode(old_dir, old_name);
  var relative = PATH_FS.relative(old_path, new_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(28);
  }
  relative = PATH_FS.relative(new_path, old_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(55);
  }
  var new_node;
  try {
   new_node = FS.lookupNode(new_dir, new_name);
  } catch (e) {}
  if (old_node === new_node) {
   return;
  }
  var isdir = FS.isDir(old_node.mode);
  var errCode = FS.mayDelete(old_dir, old_name, isdir);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!old_dir.node_ops.rename) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
   throw new FS.ErrnoError(10);
  }
  if (new_dir !== old_dir) {
   errCode = FS.nodePermissions(old_dir, "w");
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  FS.hashRemoveNode(old_node);
  try {
   old_dir.node_ops.rename(old_node, new_dir, new_name);
  } catch (e) {
   throw e;
  } finally {
   FS.hashAddNode(old_node);
  }
 },
 rmdir: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, true);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.rmdir) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.rmdir(parent, name);
  FS.destroyNode(node);
 },
 readdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node.node_ops.readdir) {
   throw new FS.ErrnoError(54);
  }
  return node.node_ops.readdir(node);
 },
 unlink: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, false);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.unlink) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.unlink(parent, name);
  FS.destroyNode(node);
 },
 readlink: path => {
  var lookup = FS.lookupPath(path);
  var link = lookup.node;
  if (!link) {
   throw new FS.ErrnoError(44);
  }
  if (!link.node_ops.readlink) {
   throw new FS.ErrnoError(28);
  }
  return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
 },
 stat: (path, dontFollow) => {
  var lookup = FS.lookupPath(path, {
   follow: !dontFollow
  });
  var node = lookup.node;
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (!node.node_ops.getattr) {
   throw new FS.ErrnoError(63);
  }
  return node.node_ops.getattr(node);
 },
 lstat: path => {
  return FS.stat(path, true);
 },
 chmod: (path, mode, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   mode: mode & 4095 | node.mode & ~4095,
   timestamp: Date.now()
  });
 },
 lchmod: (path, mode) => {
  FS.chmod(path, mode, true);
 },
 fchmod: (fd, mode) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chmod(stream.node, mode);
 },
 chown: (path, uid, gid, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   timestamp: Date.now()
  });
 },
 lchown: (path, uid, gid) => {
  FS.chown(path, uid, gid, true);
 },
 fchown: (fd, uid, gid) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chown(stream.node, uid, gid);
 },
 truncate: (path, len) => {
  if (len < 0) {
   throw new FS.ErrnoError(28);
  }
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: true
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isDir(node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!FS.isFile(node.mode)) {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.nodePermissions(node, "w");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  node.node_ops.setattr(node, {
   size: len,
   timestamp: Date.now()
  });
 },
 ftruncate: (fd, len) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(28);
  }
  FS.truncate(stream.node, len);
 },
 utime: (path, atime, mtime) => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  node.node_ops.setattr(node, {
   timestamp: Math.max(atime, mtime)
  });
 },
 open: (path, flags, mode) => {
  if (path === "") {
   throw new FS.ErrnoError(44);
  }
  flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
  mode = typeof mode == "undefined" ? 438 : mode;
  if (flags & 64) {
   mode = mode & 4095 | 32768;
  } else {
   mode = 0;
  }
  var node;
  if (typeof path == "object") {
   node = path;
  } else {
   path = PATH.normalize(path);
   try {
    var lookup = FS.lookupPath(path, {
     follow: !(flags & 131072)
    });
    node = lookup.node;
   } catch (e) {}
  }
  var created = false;
  if (flags & 64) {
   if (node) {
    if (flags & 128) {
     throw new FS.ErrnoError(20);
    }
   } else {
    node = FS.mknod(path, mode, 0);
    created = true;
   }
  }
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (FS.isChrdev(node.mode)) {
   flags &= ~512;
  }
  if (flags & 65536 && !FS.isDir(node.mode)) {
   throw new FS.ErrnoError(54);
  }
  if (!created) {
   var errCode = FS.mayOpen(node, flags);
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  if (flags & 512 && !created) {
   FS.truncate(node, 0);
  }
  flags &= ~(128 | 512 | 131072);
  var stream = FS.createStream({
   node: node,
   path: FS.getPath(node),
   flags: flags,
   seekable: true,
   position: 0,
   stream_ops: node.stream_ops,
   ungotten: [],
   error: false
  });
  if (stream.stream_ops.open) {
   stream.stream_ops.open(stream);
  }
  if (Module["logReadFiles"] && !(flags & 1)) {
   if (!FS.readFiles) FS.readFiles = {};
   if (!(path in FS.readFiles)) {
    FS.readFiles[path] = 1;
   }
  }
  return stream;
 },
 close: stream => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (stream.getdents) stream.getdents = null;
  try {
   if (stream.stream_ops.close) {
    stream.stream_ops.close(stream);
   }
  } catch (e) {
   throw e;
  } finally {
   FS.closeStream(stream.fd);
  }
  stream.fd = null;
 },
 isClosed: stream => {
  return stream.fd === null;
 },
 llseek: (stream, offset, whence) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (!stream.seekable || !stream.stream_ops.llseek) {
   throw new FS.ErrnoError(70);
  }
  if (whence != 0 && whence != 1 && whence != 2) {
   throw new FS.ErrnoError(28);
  }
  stream.position = stream.stream_ops.llseek(stream, offset, whence);
  stream.ungotten = [];
  return stream.position;
 },
 read: (stream, buffer, offset, length, position) => {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.read) {
   throw new FS.ErrnoError(28);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
  if (!seeking) stream.position += bytesRead;
  return bytesRead;
 },
 write: (stream, buffer, offset, length, position, canOwn) => {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.write) {
   throw new FS.ErrnoError(28);
  }
  if (stream.seekable && stream.flags & 1024) {
   FS.llseek(stream, 0, 2);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
  if (!seeking) stream.position += bytesWritten;
  return bytesWritten;
 },
 allocate: (stream, offset, length) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (offset < 0 || length <= 0) {
   throw new FS.ErrnoError(28);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (!stream.stream_ops.allocate) {
   throw new FS.ErrnoError(138);
  }
  stream.stream_ops.allocate(stream, offset, length);
 },
 mmap: (stream, length, position, prot, flags) => {
  if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
   throw new FS.ErrnoError(2);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(2);
  }
  if (!stream.stream_ops.mmap) {
   throw new FS.ErrnoError(43);
  }
  return stream.stream_ops.mmap(stream, length, position, prot, flags);
 },
 msync: (stream, buffer, offset, length, mmapFlags) => {
  offset >>>= 0;
  if (!stream.stream_ops.msync) {
   return 0;
  }
  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
 },
 munmap: stream => 0,
 ioctl: (stream, cmd, arg) => {
  if (!stream.stream_ops.ioctl) {
   throw new FS.ErrnoError(59);
  }
  return stream.stream_ops.ioctl(stream, cmd, arg);
 },
 readFile: (path, opts = {}) => {
  opts.flags = opts.flags || 0;
  opts.encoding = opts.encoding || "binary";
  if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
   throw new Error('Invalid encoding type "' + opts.encoding + '"');
  }
  var ret;
  var stream = FS.open(path, opts.flags);
  var stat = FS.stat(path);
  var length = stat.size;
  var buf = new Uint8Array(length);
  FS.read(stream, buf, 0, length, 0);
  if (opts.encoding === "utf8") {
   ret = UTF8ArrayToString(buf, 0);
  } else if (opts.encoding === "binary") {
   ret = buf;
  }
  FS.close(stream);
  return ret;
 },
 writeFile: (path, data, opts = {}) => {
  opts.flags = opts.flags || 577;
  var stream = FS.open(path, opts.flags, opts.mode);
  if (typeof data == "string") {
   var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
   var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
   FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
  } else if (ArrayBuffer.isView(data)) {
   FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
  } else {
   throw new Error("Unsupported data type");
  }
  FS.close(stream);
 },
 cwd: () => FS.currentPath,
 chdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  if (lookup.node === null) {
   throw new FS.ErrnoError(44);
  }
  if (!FS.isDir(lookup.node.mode)) {
   throw new FS.ErrnoError(54);
  }
  var errCode = FS.nodePermissions(lookup.node, "x");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  FS.currentPath = lookup.path;
 },
 createDefaultDirectories: () => {
  FS.mkdir("/tmp");
  FS.mkdir("/home");
  FS.mkdir("/home/web_user");
 },
 createDefaultDevices: () => {
  FS.mkdir("/dev");
  FS.registerDevice(FS.makedev(1, 3), {
   read: () => 0,
   write: (stream, buffer, offset, length, pos) => length
  });
  FS.mkdev("/dev/null", FS.makedev(1, 3));
  TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
  TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
  FS.mkdev("/dev/tty", FS.makedev(5, 0));
  FS.mkdev("/dev/tty1", FS.makedev(6, 0));
  var randomBuffer = new Uint8Array(1024), randomLeft = 0;
  var randomByte = () => {
   if (randomLeft === 0) {
    randomLeft = randomFill(randomBuffer).byteLength;
   }
   return randomBuffer[--randomLeft];
  };
  FS.createDevice("/dev", "random", randomByte);
  FS.createDevice("/dev", "urandom", randomByte);
  FS.mkdir("/dev/shm");
  FS.mkdir("/dev/shm/tmp");
 },
 createSpecialDirectories: () => {
  FS.mkdir("/proc");
  var proc_self = FS.mkdir("/proc/self");
  FS.mkdir("/proc/self/fd");
  FS.mount({
   mount: () => {
    var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
    node.node_ops = {
     lookup: (parent, name) => {
      var fd = +name;
      var stream = FS.getStream(fd);
      if (!stream) throw new FS.ErrnoError(8);
      var ret = {
       parent: null,
       mount: {
        mountpoint: "fake"
       },
       node_ops: {
        readlink: () => stream.path
       }
      };
      ret.parent = ret;
      return ret;
     }
    };
    return node;
   }
  }, {}, "/proc/self/fd");
 },
 createStandardStreams: () => {
  if (Module["stdin"]) {
   FS.createDevice("/dev", "stdin", Module["stdin"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdin");
  }
  if (Module["stdout"]) {
   FS.createDevice("/dev", "stdout", null, Module["stdout"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdout");
  }
  if (Module["stderr"]) {
   FS.createDevice("/dev", "stderr", null, Module["stderr"]);
  } else {
   FS.symlink("/dev/tty1", "/dev/stderr");
  }
  var stdin = FS.open("/dev/stdin", 0);
  var stdout = FS.open("/dev/stdout", 1);
  var stderr = FS.open("/dev/stderr", 1);
  assert(stdin.fd === 0, "invalid handle for stdin (" + stdin.fd + ")");
  assert(stdout.fd === 1, "invalid handle for stdout (" + stdout.fd + ")");
  assert(stderr.fd === 2, "invalid handle for stderr (" + stderr.fd + ")");
 },
 ensureErrnoError: () => {
  if (FS.ErrnoError) return;
  FS.ErrnoError = function ErrnoError(errno, node) {
   this.name = "ErrnoError";
   this.node = node;
   this.setErrno = function(errno) {
    this.errno = errno;
    for (var key in ERRNO_CODES) {
     if (ERRNO_CODES[key] === errno) {
      this.code = key;
      break;
     }
    }
   };
   this.setErrno(errno);
   this.message = ERRNO_MESSAGES[errno];
   if (this.stack) {
    Object.defineProperty(this, "stack", {
     value: new Error().stack,
     writable: true
    });
    this.stack = demangleAll(this.stack);
   }
  };
  FS.ErrnoError.prototype = new Error();
  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
  [ 44 ].forEach(code => {
   FS.genericErrors[code] = new FS.ErrnoError(code);
   FS.genericErrors[code].stack = "<generic error, no stack>";
  });
 },
 staticInit: () => {
  FS.ensureErrnoError();
  FS.nameTable = new Array(4096);
  FS.mount(MEMFS, {}, "/");
  FS.createDefaultDirectories();
  FS.createDefaultDevices();
  FS.createSpecialDirectories();
  FS.filesystems = {
   "MEMFS": MEMFS,
   "IDBFS": IDBFS
  };
 },
 init: (input, output, error) => {
  assert(!FS.init.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
  FS.init.initialized = true;
  FS.ensureErrnoError();
  Module["stdin"] = input || Module["stdin"];
  Module["stdout"] = output || Module["stdout"];
  Module["stderr"] = error || Module["stderr"];
  FS.createStandardStreams();
 },
 quit: () => {
  FS.init.initialized = false;
  _fflush(0);
  for (var i = 0; i < FS.streams.length; i++) {
   var stream = FS.streams[i];
   if (!stream) {
    continue;
   }
   FS.close(stream);
  }
 },
 findObject: (path, dontResolveLastLink) => {
  var ret = FS.analyzePath(path, dontResolveLastLink);
  if (!ret.exists) {
   return null;
  }
  return ret.object;
 },
 analyzePath: (path, dontResolveLastLink) => {
  try {
   var lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   path = lookup.path;
  } catch (e) {}
  var ret = {
   isRoot: false,
   exists: false,
   error: 0,
   name: null,
   path: null,
   object: null,
   parentExists: false,
   parentPath: null,
   parentObject: null
  };
  try {
   var lookup = FS.lookupPath(path, {
    parent: true
   });
   ret.parentExists = true;
   ret.parentPath = lookup.path;
   ret.parentObject = lookup.node;
   ret.name = PATH.basename(path);
   lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   ret.exists = true;
   ret.path = lookup.path;
   ret.object = lookup.node;
   ret.name = lookup.node.name;
   ret.isRoot = lookup.path === "/";
  } catch (e) {
   ret.error = e.errno;
  }
  return ret;
 },
 createPath: (parent, path, canRead, canWrite) => {
  parent = typeof parent == "string" ? parent : FS.getPath(parent);
  var parts = path.split("/").reverse();
  while (parts.length) {
   var part = parts.pop();
   if (!part) continue;
   var current = PATH.join2(parent, part);
   try {
    FS.mkdir(current);
   } catch (e) {}
   parent = current;
  }
  return current;
 },
 createFile: (parent, name, properties, canRead, canWrite) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS_getMode(canRead, canWrite);
  return FS.create(path, mode);
 },
 createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
  var path = name;
  if (parent) {
   parent = typeof parent == "string" ? parent : FS.getPath(parent);
   path = name ? PATH.join2(parent, name) : parent;
  }
  var mode = FS_getMode(canRead, canWrite);
  var node = FS.create(path, mode);
  if (data) {
   if (typeof data == "string") {
    var arr = new Array(data.length);
    for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
    data = arr;
   }
   FS.chmod(node, mode | 146);
   var stream = FS.open(node, 577);
   FS.write(stream, data, 0, data.length, 0, canOwn);
   FS.close(stream);
   FS.chmod(node, mode);
  }
  return node;
 },
 createDevice: (parent, name, input, output) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS_getMode(!!input, !!output);
  if (!FS.createDevice.major) FS.createDevice.major = 64;
  var dev = FS.makedev(FS.createDevice.major++, 0);
  FS.registerDevice(dev, {
   open: stream => {
    stream.seekable = false;
   },
   close: stream => {
    if (output && output.buffer && output.buffer.length) {
     output(10);
    }
   },
   read: (stream, buffer, offset, length, pos) => {
    var bytesRead = 0;
    for (var i = 0; i < length; i++) {
     var result;
     try {
      result = input();
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
     if (result === undefined && bytesRead === 0) {
      throw new FS.ErrnoError(6);
     }
     if (result === null || result === undefined) break;
     bytesRead++;
     buffer[offset + i] = result;
    }
    if (bytesRead) {
     stream.node.timestamp = Date.now();
    }
    return bytesRead;
   },
   write: (stream, buffer, offset, length, pos) => {
    for (var i = 0; i < length; i++) {
     try {
      output(buffer[offset + i]);
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
    }
    if (length) {
     stream.node.timestamp = Date.now();
    }
    return i;
   }
  });
  return FS.mkdev(path, mode, dev);
 },
 forceLoadFile: obj => {
  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
  if (typeof XMLHttpRequest != "undefined") {
   throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
  } else if (read_) {
   try {
    obj.contents = intArrayFromString(read_(obj.url), true);
    obj.usedBytes = obj.contents.length;
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
  } else {
   throw new Error("Cannot load without read() or XMLHttpRequest.");
  }
 },
 createLazyFile: (parent, name, url, canRead, canWrite) => {
  function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
   if (idx > this.length - 1 || idx < 0) {
    return undefined;
   }
   var chunkOffset = idx % this.chunkSize;
   var chunkNum = idx / this.chunkSize | 0;
   return this.getter(chunkNum)[chunkOffset];
  };
  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
   this.getter = getter;
  };
  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
   var xhr = new XMLHttpRequest();
   xhr.open("HEAD", url, false);
   xhr.send(null);
   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
   var datalength = Number(xhr.getResponseHeader("Content-length"));
   var header;
   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
   var chunkSize = 1024 * 1024;
   if (!hasByteServing) chunkSize = datalength;
   var doXHR = (from, to) => {
    if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
    if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
    xhr.responseType = "arraybuffer";
    if (xhr.overrideMimeType) {
     xhr.overrideMimeType("text/plain; charset=x-user-defined");
    }
    xhr.send(null);
    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
    if (xhr.response !== undefined) {
     return new Uint8Array(xhr.response || []);
    }
    return intArrayFromString(xhr.responseText || "", true);
   };
   var lazyArray = this;
   lazyArray.setDataGetter(chunkNum => {
    var start = chunkNum * chunkSize;
    var end = (chunkNum + 1) * chunkSize - 1;
    end = Math.min(end, datalength - 1);
    if (typeof lazyArray.chunks[chunkNum] == "undefined") {
     lazyArray.chunks[chunkNum] = doXHR(start, end);
    }
    if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
    return lazyArray.chunks[chunkNum];
   });
   if (usesGzip || !datalength) {
    chunkSize = datalength = 1;
    datalength = this.getter(0).length;
    chunkSize = datalength;
    out("LazyFiles on gzip forces download of the whole file when length is accessed");
   }
   this._length = datalength;
   this._chunkSize = chunkSize;
   this.lengthKnown = true;
  };
  if (typeof XMLHttpRequest != "undefined") {
   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
   var lazyArray = new LazyUint8Array();
   Object.defineProperties(lazyArray, {
    length: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._chunkSize;
     }
    }
   });
   var properties = {
    isDevice: false,
    contents: lazyArray
   };
  } else {
   var properties = {
    isDevice: false,
    url: url
   };
  }
  var node = FS.createFile(parent, name, properties, canRead, canWrite);
  if (properties.contents) {
   node.contents = properties.contents;
  } else if (properties.url) {
   node.contents = null;
   node.url = properties.url;
  }
  Object.defineProperties(node, {
   usedBytes: {
    get: function() {
     return this.contents.length;
    }
   }
  });
  var stream_ops = {};
  var keys = Object.keys(node.stream_ops);
  keys.forEach(key => {
   var fn = node.stream_ops[key];
   stream_ops[key] = function forceLoadLazyFile() {
    FS.forceLoadFile(node);
    return fn.apply(null, arguments);
   };
  });
  function writeChunks(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= contents.length) return 0;
   var size = Math.min(contents.length - position, length);
   assert(size >= 0);
   if (contents.slice) {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents[position + i];
    }
   } else {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents.get(position + i);
    }
   }
   return size;
  }
  stream_ops.read = (stream, buffer, offset, length, position) => {
   FS.forceLoadFile(node);
   return writeChunks(stream, buffer, offset, length, position);
  };
  stream_ops.mmap = (stream, length, position, prot, flags) => {
   FS.forceLoadFile(node);
   var ptr = mmapAlloc(length);
   if (!ptr) {
    throw new FS.ErrnoError(48);
   }
   writeChunks(stream, HEAP8, ptr, length, position);
   return {
    ptr: ptr,
    allocated: true
   };
  };
  node.stream_ops = stream_ops;
  return node;
 },
 absolutePath: () => {
  abort("FS.absolutePath has been removed; use PATH_FS.resolve instead");
 },
 createFolder: () => {
  abort("FS.createFolder has been removed; use FS.mkdir instead");
 },
 createLink: () => {
  abort("FS.createLink has been removed; use FS.symlink instead");
 },
 joinPath: () => {
  abort("FS.joinPath has been removed; use PATH.join instead");
 },
 mmapAlloc: () => {
  abort("FS.mmapAlloc has been replaced by the top level function mmapAlloc");
 },
 standardizePath: () => {
  abort("FS.standardizePath has been removed; use PATH.normalize instead");
 }
};

var SYSCALLS = {
 DEFAULT_POLLMASK: 5,
 calculateAt: function(dirfd, path, allowEmpty) {
  if (PATH.isAbs(path)) {
   return path;
  }
  var dir;
  if (dirfd === -100) {
   dir = FS.cwd();
  } else {
   var dirstream = SYSCALLS.getStreamFromFD(dirfd);
   dir = dirstream.path;
  }
  if (path.length == 0) {
   if (!allowEmpty) {
    throw new FS.ErrnoError(44);
   }
   return dir;
  }
  return PATH.join2(dir, path);
 },
 doStat: function(func, path, buf) {
  try {
   var stat = func(path);
  } catch (e) {
   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
    return -54;
   }
   throw e;
  }
  HEAP32[buf >>> 2] = stat.dev;
  HEAP32[buf + 8 >>> 2] = stat.ino;
  HEAP32[buf + 12 >>> 2] = stat.mode;
  HEAPU32[buf + 16 >>> 2] = stat.nlink;
  HEAP32[buf + 20 >>> 2] = stat.uid;
  HEAP32[buf + 24 >>> 2] = stat.gid;
  HEAP32[buf + 28 >>> 2] = stat.rdev;
  HEAP64[buf + 40 >> 3] = BigInt(stat.size);
  HEAP32[buf + 48 >>> 2] = 4096;
  HEAP32[buf + 52 >>> 2] = stat.blocks;
  var atime = stat.atime.getTime();
  var mtime = stat.mtime.getTime();
  var ctime = stat.ctime.getTime();
  HEAP64[buf + 56 >> 3] = BigInt(Math.floor(atime / 1e3));
  HEAPU32[buf + 64 >>> 2] = atime % 1e3 * 1e3;
  HEAP64[buf + 72 >> 3] = BigInt(Math.floor(mtime / 1e3));
  HEAPU32[buf + 80 >>> 2] = mtime % 1e3 * 1e3;
  HEAP64[buf + 88 >> 3] = BigInt(Math.floor(ctime / 1e3));
  HEAPU32[buf + 96 >>> 2] = ctime % 1e3 * 1e3;
  HEAP64[buf + 104 >> 3] = BigInt(stat.ino);
  return 0;
 },
 doMsync: function(addr, stream, len, flags, offset) {
  if (!FS.isFile(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (flags & 2) {
   return 0;
  }
  addr >>>= 0;
  var buffer = HEAPU8.slice(addr, addr + len);
  FS.msync(stream, buffer, offset, len, flags);
 },
 varargs: undefined,
 get: function() {
  assert(SYSCALLS.varargs != undefined);
  SYSCALLS.varargs += 4;
  var ret = HEAP32[SYSCALLS.varargs - 4 >>> 2];
  return ret;
 },
 getStr: function(ptr) {
  var ret = UTF8ToString(ptr);
  return ret;
 },
 getStreamFromFD: function(fd) {
  var stream = FS.getStream(fd);
  if (!stream) throw new FS.ErrnoError(8);
  return stream;
 }
};

function _proc_exit(code) {
 EXITSTATUS = code;
 if (!keepRuntimeAlive()) {
  if (Module["onExit"]) Module["onExit"](code);
  ABORT = true;
 }
 quit_(code, new ExitStatus(code));
}

function exitJS(status, implicit) {
 EXITSTATUS = status;
 checkUnflushedContent();
 if (keepRuntimeAlive() && !implicit) {
  var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
  readyPromiseReject(msg);
  err(msg);
 }
 _proc_exit(status);
}

var _exit = exitJS;

function maybeExit() {
 if (!keepRuntimeAlive()) {
  try {
   _exit(EXITSTATUS);
  } catch (e) {
   handleException(e);
  }
 }
}

function callUserCallback(func) {
 if (ABORT) {
  err("user callback triggered after runtime exited or application aborted.  Ignoring.");
  return;
 }
 try {
  func();
  maybeExit();
 } catch (e) {
  handleException(e);
 }
}

function safeSetTimeout(func, timeout) {
 return setTimeout(() => {
  callUserCallback(func);
 }, timeout);
}

var Browser = {
 mainLoop: {
  running: false,
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  pause: function() {
   Browser.mainLoop.scheduler = null;
   Browser.mainLoop.currentlyRunningMainloop++;
  },
  resume: function() {
   Browser.mainLoop.currentlyRunningMainloop++;
   var timingMode = Browser.mainLoop.timingMode;
   var timingValue = Browser.mainLoop.timingValue;
   var func = Browser.mainLoop.func;
   Browser.mainLoop.func = null;
   setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
   _emscripten_set_main_loop_timing(timingMode, timingValue);
   Browser.mainLoop.scheduler();
  },
  updateStatus: function() {
   if (Module["setStatus"]) {
    var message = Module["statusMessage"] || "Please wait...";
    var remaining = Browser.mainLoop.remainingBlockers;
    var expected = Browser.mainLoop.expectedBlockers;
    if (remaining) {
     if (remaining < expected) {
      Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
     } else {
      Module["setStatus"](message);
     }
    } else {
     Module["setStatus"]("");
    }
   }
  },
  runIter: function(func) {
   if (ABORT) return;
   if (Module["preMainLoop"]) {
    var preRet = Module["preMainLoop"]();
    if (preRet === false) {
     return;
    }
   }
   callUserCallback(func);
   if (Module["postMainLoop"]) Module["postMainLoop"]();
  }
 },
 isFullscreen: false,
 pointerLock: false,
 moduleContextCreatedCallbacks: [],
 workers: [],
 init: function() {
  if (Browser.initted) return;
  Browser.initted = true;
  var imagePlugin = {};
  imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
   return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
  };
  imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
   var b = new Blob([ byteArray ], {
    type: Browser.getMimetype(name)
   });
   if (b.size !== byteArray.length) {
    b = new Blob([ new Uint8Array(byteArray).buffer ], {
     type: Browser.getMimetype(name)
    });
   }
   var url = URL.createObjectURL(b);
   assert(typeof url == "string", "createObjectURL must return a url as a string");
   var img = new Image();
   img.onload = () => {
    assert(img.complete, "Image " + name + " could not be decoded");
    var canvas = document.createElement("canvas");
    canvas.width = img.width;
    canvas.height = img.height;
    var ctx = canvas.getContext("2d");
    ctx.drawImage(img, 0, 0);
    preloadedImages[name] = canvas;
    URL.revokeObjectURL(url);
    if (onload) onload(byteArray);
   };
   img.onerror = event => {
    out("Image " + url + " could not be decoded");
    if (onerror) onerror();
   };
   img.src = url;
  };
  preloadPlugins.push(imagePlugin);
  var audioPlugin = {};
  audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
   return !Module.noAudioDecoding && name.substr(-4) in {
    ".ogg": 1,
    ".wav": 1,
    ".mp3": 1
   };
  };
  audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
   var done = false;
   function finish(audio) {
    if (done) return;
    done = true;
    preloadedAudios[name] = audio;
    if (onload) onload(byteArray);
   }
   function fail() {
    if (done) return;
    done = true;
    preloadedAudios[name] = new Audio();
    if (onerror) onerror();
   }
   var b = new Blob([ byteArray ], {
    type: Browser.getMimetype(name)
   });
   var url = URL.createObjectURL(b);
   assert(typeof url == "string", "createObjectURL must return a url as a string");
   var audio = new Audio();
   audio.addEventListener("canplaythrough", () => finish(audio), false);
   audio.onerror = function audio_onerror(event) {
    if (done) return;
    err("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");
    function encode64(data) {
     var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
     var PAD = "=";
     var ret = "";
     var leftchar = 0;
     var leftbits = 0;
     for (var i = 0; i < data.length; i++) {
      leftchar = leftchar << 8 | data[i];
      leftbits += 8;
      while (leftbits >= 6) {
       var curr = leftchar >> leftbits - 6 & 63;
       leftbits -= 6;
       ret += BASE[curr];
      }
     }
     if (leftbits == 2) {
      ret += BASE[(leftchar & 3) << 4];
      ret += PAD + PAD;
     } else if (leftbits == 4) {
      ret += BASE[(leftchar & 15) << 2];
      ret += PAD;
     }
     return ret;
    }
    audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
    finish(audio);
   };
   audio.src = url;
   safeSetTimeout(() => {
    finish(audio);
   }, 1e4);
  };
  preloadPlugins.push(audioPlugin);
  function pointerLockChange() {
   Browser.pointerLock = document["pointerLockElement"] === Module["canvas"] || document["mozPointerLockElement"] === Module["canvas"] || document["webkitPointerLockElement"] === Module["canvas"] || document["msPointerLockElement"] === Module["canvas"];
  }
  var canvas = Module["canvas"];
  if (canvas) {
   canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || (() => {});
   canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || (() => {});
   canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
   document.addEventListener("pointerlockchange", pointerLockChange, false);
   document.addEventListener("mozpointerlockchange", pointerLockChange, false);
   document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
   document.addEventListener("mspointerlockchange", pointerLockChange, false);
   if (Module["elementPointerLock"]) {
    canvas.addEventListener("click", ev => {
     if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
      Module["canvas"].requestPointerLock();
      ev.preventDefault();
     }
    }, false);
   }
  }
 },
 createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
  if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
  var ctx;
  var contextHandle;
  if (useWebGL) {
   var contextAttributes = {
    antialias: false,
    alpha: false,
    majorVersion: typeof WebGL2RenderingContext != "undefined" ? 2 : 1
   };
   if (webGLContextAttributes) {
    for (var attribute in webGLContextAttributes) {
     contextAttributes[attribute] = webGLContextAttributes[attribute];
    }
   }
   if (typeof GL != "undefined") {
    contextHandle = GL.createContext(canvas, contextAttributes);
    if (contextHandle) {
     ctx = GL.getContext(contextHandle).GLctx;
    }
   }
  } else {
   ctx = canvas.getContext("2d");
  }
  if (!ctx) return null;
  if (setInModule) {
   if (!useWebGL) assert(typeof GLctx == "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
   Module.ctx = ctx;
   if (useWebGL) GL.makeContextCurrent(contextHandle);
   Module.useWebGL = useWebGL;
   Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
   Browser.init();
  }
  return ctx;
 },
 destroyContext: function(canvas, useWebGL, setInModule) {},
 fullscreenHandlersInstalled: false,
 lockPointer: undefined,
 resizeCanvas: undefined,
 requestFullscreen: function(lockPointer, resizeCanvas) {
  Browser.lockPointer = lockPointer;
  Browser.resizeCanvas = resizeCanvas;
  if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
  if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
  var canvas = Module["canvas"];
  function fullscreenChange() {
   Browser.isFullscreen = false;
   var canvasContainer = canvas.parentNode;
   if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
    canvas.exitFullscreen = Browser.exitFullscreen;
    if (Browser.lockPointer) canvas.requestPointerLock();
    Browser.isFullscreen = true;
    if (Browser.resizeCanvas) {
     Browser.setFullscreenCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   } else {
    canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
    canvasContainer.parentNode.removeChild(canvasContainer);
    if (Browser.resizeCanvas) {
     Browser.setWindowedCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   }
   if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
   if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen);
  }
  if (!Browser.fullscreenHandlersInstalled) {
   Browser.fullscreenHandlersInstalled = true;
   document.addEventListener("fullscreenchange", fullscreenChange, false);
   document.addEventListener("mozfullscreenchange", fullscreenChange, false);
   document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
   document.addEventListener("MSFullscreenChange", fullscreenChange, false);
  }
  var canvasContainer = document.createElement("div");
  canvas.parentNode.insertBefore(canvasContainer, canvas);
  canvasContainer.appendChild(canvas);
  canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
  canvasContainer.requestFullscreen();
 },
 requestFullScreen: function() {
  abort("Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)");
 },
 exitFullscreen: function() {
  if (!Browser.isFullscreen) {
   return false;
  }
  var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
  CFS.apply(document, []);
  return true;
 },
 nextRAF: 0,
 fakeRequestAnimationFrame: function(func) {
  var now = Date.now();
  if (Browser.nextRAF === 0) {
   Browser.nextRAF = now + 1e3 / 60;
  } else {
   while (now + 2 >= Browser.nextRAF) {
    Browser.nextRAF += 1e3 / 60;
   }
  }
  var delay = Math.max(Browser.nextRAF - now, 0);
  setTimeout(func, delay);
 },
 requestAnimationFrame: function(func) {
  if (typeof requestAnimationFrame == "function") {
   requestAnimationFrame(func);
   return;
  }
  var RAF = Browser.fakeRequestAnimationFrame;
  RAF(func);
 },
 safeSetTimeout: function(func, timeout) {
  return safeSetTimeout(func, timeout);
 },
 safeRequestAnimationFrame: function(func) {
  return Browser.requestAnimationFrame(() => {
   callUserCallback(func);
  });
 },
 getMimetype: function(name) {
  return {
   "jpg": "image/jpeg",
   "jpeg": "image/jpeg",
   "png": "image/png",
   "bmp": "image/bmp",
   "ogg": "audio/ogg",
   "wav": "audio/wav",
   "mp3": "audio/mpeg"
  }[name.substr(name.lastIndexOf(".") + 1)];
 },
 getUserMedia: function(func) {
  if (!window.getUserMedia) {
   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
  }
  window.getUserMedia(func);
 },
 getMovementX: function(event) {
  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
 },
 getMovementY: function(event) {
  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
 },
 getMouseWheelDelta: function(event) {
  var delta = 0;
  switch (event.type) {
  case "DOMMouseScroll":
   delta = event.detail / 3;
   break;

  case "mousewheel":
   delta = event.wheelDelta / 120;
   break;

  case "wheel":
   delta = event.deltaY;
   switch (event.deltaMode) {
   case 0:
    delta /= 100;
    break;

   case 1:
    delta /= 3;
    break;

   case 2:
    delta *= 80;
    break;

   default:
    throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
   }
   break;

  default:
   throw "unrecognized mouse wheel event: " + event.type;
  }
  return delta;
 },
 mouseX: 0,
 mouseY: 0,
 mouseMovementX: 0,
 mouseMovementY: 0,
 touches: {},
 lastTouches: {},
 calculateMouseEvent: function(event) {
  if (Browser.pointerLock) {
   if (event.type != "mousemove" && "mozMovementX" in event) {
    Browser.mouseMovementX = Browser.mouseMovementY = 0;
   } else {
    Browser.mouseMovementX = Browser.getMovementX(event);
    Browser.mouseMovementY = Browser.getMovementY(event);
   }
   if (typeof SDL != "undefined") {
    Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
    Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
   } else {
    Browser.mouseX += Browser.mouseMovementX;
    Browser.mouseY += Browser.mouseMovementY;
   }
  } else {
   var rect = Module["canvas"].getBoundingClientRect();
   var cw = Module["canvas"].width;
   var ch = Module["canvas"].height;
   var scrollX = typeof window.scrollX != "undefined" ? window.scrollX : window.pageXOffset;
   var scrollY = typeof window.scrollY != "undefined" ? window.scrollY : window.pageYOffset;
   assert(typeof scrollX != "undefined" && typeof scrollY != "undefined", "Unable to retrieve scroll position, mouse positions likely broken.");
   if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
    var touch = event.touch;
    if (touch === undefined) {
     return;
    }
    var adjustedX = touch.pageX - (scrollX + rect.left);
    var adjustedY = touch.pageY - (scrollY + rect.top);
    adjustedX = adjustedX * (cw / rect.width);
    adjustedY = adjustedY * (ch / rect.height);
    var coords = {
     x: adjustedX,
     y: adjustedY
    };
    if (event.type === "touchstart") {
     Browser.lastTouches[touch.identifier] = coords;
     Browser.touches[touch.identifier] = coords;
    } else if (event.type === "touchend" || event.type === "touchmove") {
     var last = Browser.touches[touch.identifier];
     if (!last) last = coords;
     Browser.lastTouches[touch.identifier] = last;
     Browser.touches[touch.identifier] = coords;
    }
    return;
   }
   var x = event.pageX - (scrollX + rect.left);
   var y = event.pageY - (scrollY + rect.top);
   x = x * (cw / rect.width);
   y = y * (ch / rect.height);
   Browser.mouseMovementX = x - Browser.mouseX;
   Browser.mouseMovementY = y - Browser.mouseY;
   Browser.mouseX = x;
   Browser.mouseY = y;
  }
 },
 resizeListeners: [],
 updateResizeListeners: function() {
  var canvas = Module["canvas"];
  Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
 },
 setCanvasSize: function(width, height, noUpdates) {
  var canvas = Module["canvas"];
  Browser.updateCanvasDimensions(canvas, width, height);
  if (!noUpdates) Browser.updateResizeListeners();
 },
 windowedWidth: 0,
 windowedHeight: 0,
 setFullscreenCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >>> 2];
   flags = flags | 8388608;
   HEAP32[SDL.screen >>> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 setWindowedCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >>> 2];
   flags = flags & ~8388608;
   HEAP32[SDL.screen >>> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 updateCanvasDimensions: function(canvas, wNative, hNative) {
  if (wNative && hNative) {
   canvas.widthNative = wNative;
   canvas.heightNative = hNative;
  } else {
   wNative = canvas.widthNative;
   hNative = canvas.heightNative;
  }
  var w = wNative;
  var h = hNative;
  if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
   if (w / h < Module["forcedAspectRatio"]) {
    w = Math.round(h * Module["forcedAspectRatio"]);
   } else {
    h = Math.round(w / Module["forcedAspectRatio"]);
   }
  }
  if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
   var factor = Math.min(screen.width / w, screen.height / h);
   w = Math.round(w * factor);
   h = Math.round(h * factor);
  }
  if (Browser.resizeCanvas) {
   if (canvas.width != w) canvas.width = w;
   if (canvas.height != h) canvas.height = h;
   if (typeof canvas.style != "undefined") {
    canvas.style.removeProperty("width");
    canvas.style.removeProperty("height");
   }
  } else {
   if (canvas.width != wNative) canvas.width = wNative;
   if (canvas.height != hNative) canvas.height = hNative;
   if (typeof canvas.style != "undefined") {
    if (w != wNative || h != hNative) {
     canvas.style.setProperty("width", w + "px", "important");
     canvas.style.setProperty("height", h + "px", "important");
    } else {
     canvas.style.removeProperty("width");
     canvas.style.removeProperty("height");
    }
   }
  }
 }
};

function _emscripten_set_main_loop_timing(mode, value) {
 Browser.mainLoop.timingMode = mode;
 Browser.mainLoop.timingValue = value;
 if (!Browser.mainLoop.func) {
  err("emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.");
  return 1;
 }
 if (!Browser.mainLoop.running) {
  Browser.mainLoop.running = true;
 }
 if (mode == 0) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
   var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
   setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
  };
  Browser.mainLoop.method = "timeout";
 } else if (mode == 1) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
   Browser.requestAnimationFrame(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "rAF";
 } else if (mode == 2) {
  if (typeof setImmediate == "undefined") {
   var setImmediates = [];
   var emscriptenMainLoopMessageId = "setimmediate";
   var Browser_setImmediate_messageHandler = event => {
    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
     event.stopPropagation();
     setImmediates.shift()();
    }
   };
   addEventListener("message", Browser_setImmediate_messageHandler, true);
   setImmediate = function Browser_emulated_setImmediate(func) {
    setImmediates.push(func);
    if (ENVIRONMENT_IS_WORKER) {
     if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
     Module["setImmediates"].push(func);
     postMessage({
      target: emscriptenMainLoopMessageId
     });
    } else postMessage(emscriptenMainLoopMessageId, "*");
   };
  }
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
   setImmediate(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "immediate";
 }
 return 0;
}

var _emscripten_get_now;

_emscripten_get_now = () => performance.now();

function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
 assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
 Browser.mainLoop.func = browserIterationFunc;
 Browser.mainLoop.arg = arg;
 var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
 function checkIsRunning() {
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
   return false;
  }
  return true;
 }
 Browser.mainLoop.running = false;
 Browser.mainLoop.runner = function Browser_mainLoop_runner() {
  if (ABORT) return;
  if (Browser.mainLoop.queue.length > 0) {
   var start = Date.now();
   var blocker = Browser.mainLoop.queue.shift();
   blocker.func(blocker.arg);
   if (Browser.mainLoop.remainingBlockers) {
    var remaining = Browser.mainLoop.remainingBlockers;
    var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
    if (blocker.counted) {
     Browser.mainLoop.remainingBlockers = next;
    } else {
     next = next + .5;
     Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9;
    }
   }
   out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
   Browser.mainLoop.updateStatus();
   if (!checkIsRunning()) return;
   setTimeout(Browser.mainLoop.runner, 0);
   return;
  }
  if (!checkIsRunning()) return;
  Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
  if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
   Browser.mainLoop.scheduler();
   return;
  } else if (Browser.mainLoop.timingMode == 0) {
   Browser.mainLoop.tickStartTime = _emscripten_get_now();
  }
  GL.newRenderingFrameStarted();
  if (Browser.mainLoop.method === "timeout" && Module.ctx) {
   warnOnce("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!");
   Browser.mainLoop.method = "";
  }
  Browser.mainLoop.runIter(browserIterationFunc);
  checkStackCookie();
  if (!checkIsRunning()) return;
  if (typeof SDL == "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
  Browser.mainLoop.scheduler();
 };
 if (!noSetTiming) {
  if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps); else _emscripten_set_main_loop_timing(1, 1);
  Browser.mainLoop.scheduler();
 }
 if (simulateInfiniteLoop) {
  throw "unwind";
 }
}

function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop) {
 var browserIterationFunc = getWasmTableEntry(func);
 setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop);
}

function _JS_SetMainLoop(func, fps, simulateInfiniteLoop) {
 try {
  _emscripten_set_main_loop(func, fps, simulateInfiniteLoop);
 } catch {}
}

var WEBAudio = {
 audioInstanceIdCounter: 0,
 audioInstances: {},
 microphoneSoundClips: {},
 audioContext: null,
 audioWebEnabled: 0,
 audioCache: [],
 pendingAudioSources: {},
 FAKEMOD_SAMPLERATE: 44100,
 audioContextSuspendedTime: 0,
 audioContextResumeOffset: 0,
 contextIsRunning: false,
 soundsPendingContextResume: []
};

function _JS_Sound_GetAudioContextSampleRate() {
 if (WEBAudio.audioWebEnabled == 0) return WEBAudio.FAKEMOD_SAMPLERATE;
 return WEBAudio.audioContext.sampleRate;
}

function jsAudioMixinSetPitch(source) {
 source.estimatePlaybackPosition = function() {
  var t = (WEBAudio.audioContext.currentTime - source.playbackStartTime) * source.playbackRate.value;
  if (source.loop && t >= source.loopStart) {
   t = (t - source.loopStart) % (source.loopEnd - source.loopStart) + source.loopStart;
  }
  return t;
 };
 source.setPitch = function(newPitch) {
  var curPosition = source.estimatePlaybackPosition();
  if (curPosition >= 0) {
   source.playbackStartTime = WEBAudio.audioContext.currentTime - curPosition / newPitch;
  }
  if (source.playbackRate.value !== newPitch) source.playbackRate.value = newPitch;
 };
}

function jsAudioCreateUncompressedSoundClip(buffer, error) {
 var soundClip = {
  buffer: buffer,
  error: error
 };
 soundClip.release = function() {};
 soundClip.getLength = function() {
  if (!this.buffer) {
   console.log("Trying to get length of sound which is not loaded yet.");
   return 0;
  }
  return this.buffer.length;
 };
 soundClip.getData = function(ptr, length) {
  if (!this.buffer) {
   console.log("Trying to get data of sound which is not loaded.");
   return 0;
  }
  var startOutputBuffer = ptr >>> 2;
  var output = HEAPF32.subarray(startOutputBuffer >>> 0, startOutputBuffer + (length >> 2) >>> 0);
  var numMaxSamples = Math.floor((length >> 2) / this.buffer.numberOfChannels);
  var numReadSamples = Math.min(this.buffer.length, numMaxSamples);
  for (var i = 0; i < this.buffer.numberOfChannels; i++) {
   var channelData = this.buffer.getChannelData(i).subarray(0, numReadSamples);
   output.set(channelData, i * numReadSamples);
  }
  return numReadSamples * this.buffer.numberOfChannels * 4;
 };
 soundClip.getNumberOfChannels = function() {
  if (!this.buffer) {
   console.log("Trying to get metadata of sound which is not loaded.");
   return 0;
  }
  return this.buffer.numberOfChannels;
 };
 soundClip.getFrequency = function() {
  if (!this.buffer) {
   console.log("Trying to get metadata of sound which is not loaded.");
   return _JS_Sound_GetAudioContextSampleRate();
  }
  return this.buffer.sampleRate;
 };
 soundClip.createSourceNode = function() {
  if (!this.buffer) {
   console.log("Trying to play sound which is not loaded.");
  }
  var source = WEBAudio.audioContext.createBufferSource();
  source.buffer = this.buffer;
  source.release = function() {};
  jsAudioMixinSetPitch(source);
  return source;
 };
 return soundClip;
}

function jsAudioCreateChannel(callback, userData) {
 var channel = {
  callback: callback,
  userData: userData,
  soundClip: null,
  source: null,
  gain: WEBAudio.audioContext.createGain(),
  panner: WEBAudio.audioContext.createPanner(),
  spatialBlendDryGain: WEBAudio.audioContext.createGain(),
  spatialBlendWetGain: WEBAudio.audioContext.createGain(),
  spatialBlendLevel: 0,
  loop: false,
  loopStart: 0,
  loopEnd: 0,
  pitch: 1
 };
 channel.panner.rolloffFactor = 0;
 channel.release = function() {
  this.disconnectSource();
  this.gain.disconnect();
  this.panner.disconnect();
 };
 channel.playSoundClip = function(soundClip, startTime, startOffset) {
  try {
   var self = this;
   this.soundClip = soundClip;
   this.source = soundClip.createSourceNode();
   this.configurePanningNodes();
   this.setSpatialBlendLevel(this.spatialBlendLevel);
   this.source.onended = function() {
    self.source.isStopped = true;
    self.disconnectSource();
    if (self.callback) {
     getWasmTableEntry(self.callback)(self.userData);
    }
   };
   this.source.loop = this.loop;
   this.source.loopStart = this.loopStart;
   this.source.loopEnd = this.loopEnd;
   this.source.start(startTime, startOffset);
   this.source.playbackStartTime = startTime - startOffset / this.source.playbackRate.value;
   this.source.setPitch(this.pitch);
  } catch (e) {
   console.error("Channel.playSoundClip error. Exception: " + e);
  }
 };
 channel.stop = function(delay) {
  if (!this.source) {
   return;
  }
  this.soundClip = null;
  try {
   channel.source.stop(WEBAudio.audioContext.currentTime + delay);
  } catch (e) {}
  if (delay == 0) {
   this.disconnectSource();
  }
 };
 channel.isPaused = function() {
  if (!this.source) {
   return true;
  }
  if (this.source.isPausedMockNode) {
   return true;
  }
  if (this.source.mediaElement) {
   return this.source.mediaElement.paused || this.source.pauseRequested;
  }
  if (typeof this.source.isPaused === "function") {
   return this.source.isPaused();
  }
  return false;
 };
 channel.pause = function() {
  if (!this.source || this.source.isPausedMockNode) {
   return;
  }
  if (this.source.mediaElement) {
   this.source._pauseMediaElement();
   return;
  }
  if (typeof this.source.pause === "function") {
   this.source.pause();
   return;
  }
  var pausedSource = {
   isPausedMockNode: true,
   buffer: this.source.buffer,
   loop: this.source.loop,
   loopStart: this.source.loopStart,
   loopEnd: this.source.loopEnd,
   playbackRate: this.source.playbackRate.value,
   scheduledStopTime: undefined,
   playbackPausedAtPosition: this.source.estimatePlaybackPosition(),
   setPitch: function(v) {
    this.playbackRate = v;
   },
   stop: function(when) {
    this.scheduledStopTime = when;
   }
  };
  this.stop(0);
  this.disconnectSource();
  this.source = pausedSource;
 };
 channel.resume = function(offset = 0) {
  if (this.source && this.source.mediaElement) {
   this.source.start(undefined, this.source.currentTime);
   return;
  }
  if (this.source && typeof this.source.resume === "function") {
   this.source.resume(offset);
   return;
  }
  if (!this.source || !this.source.isPausedMockNode) {
   return;
  }
  var pausedSource = this.source;
  var startTime = WEBAudio.audioContext.currentTime;
  if (pausedSource.playbackPausedAtPosition < 0) startTime -= pausedSource.playbackPausedAtPosition;
  var soundClip = jsAudioCreateUncompressedSoundClip(pausedSource.buffer, false);
  this.playSoundClip(soundClip, startTime, Math.max(0, pausedSource.playbackPausedAtPosition) + offset);
  this.source.loop = pausedSource.loop;
  this.source.loopStart = pausedSource.loopStart;
  this.source.loopEnd = pausedSource.loopEnd;
  this.source.setPitch(pausedSource.playbackRate);
  if (typeof pausedSource.scheduledStopTime !== "undefined") {
   var delay = Math.max(pausedSource.scheduledStopTime - WEBAudio.audioContext.currentTime, 0);
   this.stop(delay);
  }
 };
 channel.setLoop = function(loop) {
  this.loop = loop;
  if (!this.source || this.source.loop == loop) {
   return;
  }
  this.source.loop = loop;
 };
 channel.setLoopPoints = function(loopStart, loopEnd) {
  this.loopStart = loopStart;
  this.loopEnd = loopEnd;
  if (!this.source) {
   return;
  }
  if (this.source.loopStart !== loopStart) {
   this.source.loopStart = loopStart;
  }
  if (this.source.loopEnd !== loopEnd) {
   this.source.loopEnd = loopEnd;
  }
 };
 channel.set3D = function(spatialBlendLevel) {
  if (this.spatialBlendLevel != spatialBlendLevel) {
   this.setSpatialBlendLevel(spatialBlendLevel);
  }
 };
 channel.setPitch = function(pitch) {
  this.pitch = pitch;
  if (!this.source) {
   return;
  }
  this.source.setPitch(pitch);
 };
 channel.setVolume = function(volume) {
  if (this.gain.gain.value == volume) {
   return;
  }
  this.gain.gain.value = volume;
 };
 channel.setPosition = function(x, y, z) {
  var p = this.panner;
  if (p.positionX) {
   if (p.positionX.value !== x) p.positionX.value = x;
   if (p.positionY.value !== y) p.positionY.value = y;
   if (p.positionZ.value !== z) p.positionZ.value = z;
  } else if (p._x !== x || p._y !== y || p._z !== z) {
   p.setPosition(x, y, z);
   p._x = x;
   p._y = y;
   p._z = z;
  }
 };
 channel.disconnectSource = function() {
  if (!this.source || this.source.isPausedMockNode) {
   return;
  }
  if (this.source.mediaElement) {
   this.source._pauseMediaElement();
  }
  this.source.onended = null;
  this.source.disconnect();
  this.source.release();
  this.soundClip = null;
  this.source = null;
 };
 channel.setSpatialBlendLevel = function(spatialBlendLevel) {
  var sourceCanBeConfigured = this.source && !this.source.isPausedMockNode;
  var spatializationTypeChanged = this.spatialBlendLevel > 0 && spatialBlendLevel == 0 || this.spatialBlendLevel == 0 && spatialBlendLevel > 0;
  var needToReconfigureNodes = sourceCanBeConfigured && spatializationTypeChanged;
  this.spatialBlendWetGain.gain.value = spatialBlendLevel;
  this.spatialBlendDryGain.gain.value = 1 - spatialBlendLevel;
  this.spatialBlendLevel = spatialBlendLevel;
  if (needToReconfigureNodes) this.configurePanningNodes();
 };
 channel.configurePanningNodes = function() {
  if (!this.source) return;
  this.source.disconnect();
  this.spatialBlendDryGain.disconnect();
  this.spatialBlendWetGain.disconnect();
  this.panner.disconnect();
  this.gain.disconnect();
  if (this.spatialBlendLevel > 0) {
   this.source.connect(this.spatialBlendDryGain);
   this.spatialBlendDryGain.connect(this.gain);
   this.source.connect(this.spatialBlendWetGain);
   this.spatialBlendWetGain.connect(this.panner);
   this.panner.connect(this.gain);
  } else {
   this.source.connect(this.gain);
  }
  this.gain.connect(WEBAudio.audioContext.destination);
 };
 channel.isStopped = function() {
  if (!this.source) {
   return true;
  }
  if (this.source.mediaElement) {
   return this.source.isStopped;
  }
  return false;
 };
 return channel;
}

function _JS_Sound_Create_Channel(callback, userData) {
 if (WEBAudio.audioWebEnabled == 0) return;
 WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = jsAudioCreateChannel(callback, userData);
 return WEBAudio.audioInstanceIdCounter;
}

var Microphone_Access = 0;

var Microphones = [];

var MediaAccessState = {
 Unknown: 0,
 Granted: 1,
 Denied: 2
};

function Microphone_GetMediaStream(id, channels, sampleRate) {
 if (Microphone_Access != MediaAccessState.Granted) return Promise.reject("No access rights to microphone.");
 const microphone = Microphones[id];
 if (!microphone) return Promise.reject(`Invalid id: ${id}`);
 return navigator.mediaDevices.getUserMedia({
  audio: {
   deviceId: {
    exact: microphone.deviceId
   },
   channelCount: {
    ideal: channels
   },
   sampleRate: {
    ideal: sampleRate
   }
  },
  video: false
 }).then(function(stream) {
  const tracks = stream.getAudioTracks();
  tracks.forEach(function(track) {
   track.enabled = true;
  });
  return stream;
 }).catch(function(err) {
  console.error(`Error accessing microphone: ${err}`);
  return err;
 });
}

function Microphone_CopyAudioBuffer(sourceBuffer, destinationBuffer, trimStart) {
 const sampleCount = Math.min(sourceBuffer.length, destinationBuffer.length);
 const startOffset = Math.max(0, sourceBuffer.length - sampleCount);
 if (sourceBuffer.numberOfChannels === destinationBuffer.numberOfChannels) {
  for (let channel = 0; channel < sourceBuffer.numberOfChannels; ++channel) {
   const sourceData = trimStart ? sourceBuffer.getChannelData(channel).subarray(startOffset, startOffset + sampleCount) : sourceBuffer.getChannelData(channel).subarray(0, sampleCount);
   const destinationData = destinationBuffer.getChannelData(channel);
   destinationData.set(sourceData);
  }
 } else if (sourceBuffer.numberOfChannels >= 1) {
  const sourceData = trimStart ? sourceBuffer.getChannelData(0).subarray(startOffset, startOffset + sampleCount) : sourceBuffer.getChannelData(0).subarray(0, sampleCount);
  for (let channel = 0; channel < destinationBuffer.numberOfChannels; ++channel) {
   const destinationData = destinationBuffer.getChannelData(channel);
   destinationData.set(sourceData);
  }
 } else {
  throw new Error("Failed to copy audio data: source buffer does not contain data.");
 }
}

function Microphone_DecompressAudioBuffer(compressedBuffer, destinationBuffer, trimStart) {
 const offlineContext = new OfflineAudioContext(destinationBuffer.numberOfChannels, destinationBuffer.length, destinationBuffer.sampleRate);
 return offlineContext.decodeAudioData(compressedBuffer).then(function(decodedBuffer) {
  if (decodedBuffer.sampleRate !== destinationBuffer.sampleRate) throw new Error("Resampling failed.");
  Microphone_CopyAudioBuffer(decodedBuffer, destinationBuffer, trimStart);
 });
}

function Microphone_CreateSoundClipForRecording(channels, length, sampleRate) {
 const soundClip = {
  deviceId: null,
  recordBuffer: WEBAudio.audioContext.createBuffer(channels, length, sampleRate),
  loopRecording: false,
  mediaStream: null,
  mediaRecorder: null,
  recordStartTime: 0,
  isRecording: false,
  isDecompressed: false,
  chunks: [],
  sourceNodes: []
 };
 soundClip.recordStart = function(deviceId, loopRecording) {
  if (Microphone_Access != MediaAccessState.Granted) {
   console.warn("Can't create SoundClip from microphone because access is blocked by user.");
   return;
  }
  soundClip.deviceId = deviceId;
  soundClip.loopRecording = loopRecording;
  return Microphone_GetMediaStream(deviceId, soundClip.recordBuffer.numberOfChannels, soundClip.recordBuffer.sampleRate).then(function(stream) {
   soundClip.mediaStream = stream;
   soundClip.chunks = [];
   const mediaRecorder = new MediaRecorder(stream);
   const maxChunks = Math.ceil(soundClip.recordBuffer.length / (sampleRate * .1)) + 1;
   mediaRecorder.ondataavailable = function(event) {
    if (soundClip.loopRecording && soundClip.chunks.length >= maxChunks) {
     soundClip.chunks.splice(1, 1);
    }
    const recordedDuration = WEBAudio.audioContext.currentTime - soundClip.recordStartTime;
    if (!soundClip.loopRecording && recordedDuration >= soundClip.recordBuffer.duration) {
     soundClip.recordStop();
    }
    soundClip.chunks.push(event.data);
   };
   mediaRecorder.onstop = function() {
    const recordedBlob = new Blob(soundClip.chunks, {
     mimeType: mediaRecorder.mimeType
    });
    soundClip.chunks = [];
    soundClip.isDecompressed = false;
    recordedBlob.arrayBuffer().then(function(compressedBuffer) {
     return Microphone_DecompressAudioBuffer(compressedBuffer, soundClip.recordBuffer, soundClip.loopRecording);
    }).then(function() {
     soundClip.isDecompressed = true;
     soundClip.sourceNodes.forEach(function(source) {
      source.onSoundDataAvailable();
     });
    }).catch(function(error) {
     soundClip.error = true;
     console.error(`Decompressing recorded audio failed: ${error}`);
    });
   };
   soundClip.mediaRecorder = mediaRecorder;
   soundClip.mediaRecorder.start(100);
   soundClip.recordStartTime = WEBAudio.audioContext.currentTime;
   soundClip.isRecording = true;
   soundClip.sourceNodes.forEach(function(source) {
    source.resetAudioSource();
   });
  });
 };
 soundClip.recordStop = function() {
  if (!soundClip.isRecording) {
   return;
  }
  soundClip.isDecompressed = false;
  soundClip.mediaRecorder.stop();
  soundClip.mediaRecorder = null;
  soundClip.deviceId = null;
  soundClip.mediaStream = null;
  soundClip.isRecording = false;
  soundClip.sourceNodes.forEach(function(source) {
   source.resetAudioSource();
  });
 };
 soundClip.getRecordPosition = function() {
  if (!soundClip.isRecording) return 0;
  const recordedDuration = WEBAudio.audioContext.currentTime - soundClip.recordStartTime;
  let recordPosition = Math.floor(recordedDuration * soundClip.recordBuffer.sampleRate);
  if (soundClip.loopRecording) recordPosition = recordPosition % soundClip.recordBuffer.length; else recordPosition = Math.min(recordPosition, soundClip.recordBuffer.length);
  return recordPosition;
 };
 soundClip.release = function() {
  soundClip.recordStop();
  soundClip.recordBuffer = null;
 };
 soundClip.getLength = function() {
  return soundClip.recordBuffer.length;
 };
 soundClip.getData = function(ptr, length) {
  if (soundClip.isRecording) {
   console.warn("Can't get data from microphone sound clip while recording is in progress.");
   return 0;
  }
  if (!soundClip.isDecompressed) {
   console.warn("Can't get data from microphone sound clip because data is not yet decompressed.");
   return 0;
  }
  const startOutputBuffer = ptr >>> 2;
  const bufferLength = length >> 2;
  const output = HEAPF32.subarray(startOutputBuffer >>> 0, startOutputBuffer + bufferLength >>> 0);
  const numMaxSamples = Math.floor(bufferLength / this.recordBuffer.numberOfChannels);
  const numReadSamples = Math.min(this.recordBuffer.length, numMaxSamples);
  for (let i = 0; i < this.recordBuffer.numberOfChannels; i++) {
   const channelData = this.recordBuffer.getChannelData(i).subarray(0, numReadSamples);
   output.set(channelData, i * numReadSamples);
  }
  return numReadSamples * this.recordBuffer.numberOfChannels * 4;
 };
 soundClip.getNumberOfChannels = function() {
  return soundClip.recordBuffer.numberOfChannels;
 };
 soundClip.getFrequency = function() {
  return soundClip.recordBuffer.sampleRate;
 };
 soundClip.createSourceNode = function() {
  const microphoneSource = WEBAudio.audioContext.createGain();
  soundClip.sourceNodes.push(microphoneSource);
  microphoneSource.audioDataSourceNode = null;
  microphoneSource._loop = false;
  microphoneSource._loopStart = 0;
  microphoneSource._loopEnd = soundClip.recordBuffer.duration;
  microphoneSource._paused = false;
  microphoneSource._muted = false;
  microphoneSource._playbackRate = 1;
  microphoneSource._onended = undefined;
  microphoneSource._startTimeout = null;
  microphoneSource._stopTimeout = null;
  microphoneSource._autoStopTimeout = null;
  microphoneSource.startTime = undefined;
  microphoneSource.resetAudioSource = function() {
   if (microphoneSource.audioDataSourceNode) {
    microphoneSource.audioDataSourceNode.onended = null;
    microphoneSource.audioDataSourceNode.disconnect();
    microphoneSource.audioDataSourceNode = null;
   }
   if (soundClip.isRecording) {
    const mediaStreamSource = WEBAudio.audioContext.createMediaStreamSource(soundClip.mediaStream);
    mediaStreamSource.connect(microphoneSource);
    microphoneSource.audioDataSourceNode = mediaStreamSource;
   } else {
    const bufferSource = WEBAudio.audioContext.createBufferSource();
    bufferSource.buffer = soundClip.recordBuffer;
    bufferSource.loop = microphoneSource._loop;
    bufferSource.loopStart = microphoneSource._loopStart;
    bufferSource.loopEnd = microphoneSource._loopEnd;
    if (typeof microphoneSource._onended === "function") bufferSource.onended = microphoneSource._onended;
    bufferSource.playbackRate.value = microphoneSource._playbackRate;
    bufferSource.connect(microphoneSource);
    microphoneSource.audioDataSourceNode = bufferSource;
   }
  };
  microphoneSource.resetAudioSource();
  microphoneSource.onSoundDataAvailable = function() {
   if (typeof microphoneSource.startTime !== "undefined" && !microphoneSource.isPaused() && microphoneSource.loop && !microphoneSource.audioDataSourceNode.isStarted) {
    microphoneSource.audioDataSourceNode.start(microphoneSource.startTime);
    microphoneSource.audioDataSourceNode.isStarted = true;
    return;
   }
   if (typeof microphoneSource.startTime !== "undefined" && !microphoneSource.loop) {
    microphoneSource.startTime = undefined;
   }
  };
  microphoneSource.release = function() {
   const index = soundClip.sourceNodes.indexOf(microphoneSource);
   if (index >= 0) soundClip.sourceNodes.splice(index, 1);
  };
  Object.defineProperty(microphoneSource, "loop", {
   get: function() {
    return microphoneSource._loop;
   },
   set: function(v) {
    microphoneSource._loop = v;
    if (!soundClip.isRecording) microphoneSource.audioDataSourceNode.loop = v;
   }
  });
  Object.defineProperty(microphoneSource, "loopStart", {
   get: function() {
    return microphoneSource._loopStart;
   },
   set: function(v) {
    microphoneSource._loopStart = v;
    if (!soundClip.isRecording) microphoneSource.audioDataSourceNode.loopStart = v;
   }
  });
  Object.defineProperty(microphoneSource, "loopEnd", {
   get: function() {
    return microphoneSource._loopEnd;
   },
   set: function(v) {
    microphoneSource._loopEnd = v;
    if (!soundClip.isRecording) microphoneSource.audioDataSourceNode.loopEnd = v;
   }
  });
  Object.defineProperty(microphoneSource, "mute", {
   get: function() {
    return microphoneSource.gain.value === 0;
   },
   set: function(v) {
    microphoneSource.gain.value = v ? 0 : 1;
   }
  });
  microphoneSource.playbackRate = {};
  Object.defineProperty(microphoneSource.playbackRate, "value", {
   get: function() {
    if (soundClip.isRecording) return 1;
    return microphoneSource.audioDataSourceNode.playbackRate.value;
   },
   set: function(v) {
    microphoneSource._playbackRate = v;
    if (!soundClip.isRecording && microphoneSource.audioDataSourceNode.playbackRate.value !== v) microphoneSource.audioDataSourceNode.playbackRate.value = v;
   }
  });
  microphoneSource.estimatePlaybackPosition = function() {
   if (typeof microphoneSource.startTime === "undefined") return 0;
   if (soundClip.isRecording) return soundClip.getRecordPosition() / soundClip.getFrequency();
   const t = (WEBAudio.audioContext.currentTime - microphoneSource.startTime) * microphoneSource.playbackRate.value % soundClip.recordBuffer.duration;
   return t;
  };
  microphoneSource.setPitch = function(newPitch) {
   if (microphoneSource.playbackRate.value !== newPitch) microphoneSource.playbackRate.value = newPitch;
  };
  Object.defineProperty(microphoneSource, "currentTime", {
   get: function() {
    return microphoneSource.estimatePlaybackPosition();
   },
   set: function(v) {}
  });
  Object.defineProperty(microphoneSource, "onended", {
   get: function() {
    return microphoneSource._onended;
   },
   set: function(onended) {
    microphoneSource._onended = onended;
    if (!soundClip.isRecording) microphoneSource.audioDataSourceNode.onended = onended;
   }
  });
  microphoneSource.isPaused = () => microphoneSource._paused;
  microphoneSource.pause = function() {
   if (microphoneSource._paused) return;
   microphoneSource._paused = true;
   microphoneSource.mute = true;
   if (!soundClip.isRecording) {
    microphoneSource.playbackPausedAtPosition = microphoneSource.estimatePlaybackPosition();
    microphoneSource.scheduledStartTime = microphoneSource.startTime;
    microphoneSource.stop();
    microphoneSource.audioDataSourceNode.disconnect();
   }
  };
  microphoneSource.resume = function(offset) {
   if (!microphoneSource._paused) return;
   microphoneSource._paused = false;
   microphoneSource.mute = false;
   if (!soundClip.isRecording) {
    microphoneSource.resetAudioSource();
    const startTime = microphoneSource.scheduledStartTime > WEBAudio.audioContext.currentTime ? microphoneSource.scheduledStartTime : WEBAudio.audioContext.currentTime;
    const resumeOffset = offset == 0 ? microphoneSource.playbackPausedAtPosition : offset;
    microphoneSource.start(startTime, resumeOffset);
    microphoneSource.playbackPausedAtPosition = undefined;
    microphoneSource.scheduledStartTime = undefined;
   }
  };
  microphoneSource.addAutoStop = function(startTime, duration) {
   const stopTime = startTime + duration;
   const stopDelayMS = (stopTime - WEBAudio.audioContext.currentTime) * 1e3;
   microphoneSource._autoStopTimeout = setTimeout(function() {
    microphoneSource._autoStopTimeout = null;
    if (!microphoneSource.loop) {
     microphoneSource.stop();
     if (typeof microphoneSource.onended === "function") microphoneSource.onended();
    } else if (!soundClip.isRecording) {
     microphoneSource.addAutoStop(WEBAudio.audioContext.currentTime, duration);
    }
   }, stopDelayMS);
  };
  microphoneSource.removeAutoStop = function() {
   if (!microphoneSource._autoStopTimeout) return;
   clearTimeout(microphoneSource._autoStopTimeout);
   microphoneSource._autoStopTimeout = null;
  };
  microphoneSource.start = function(startTime, offset) {
   microphoneSource.startTime = typeof startTime === "undefined" ? WEBAudio.audioContext.currentTime : startTime;
   if (soundClip.isRecording) {
    const startDelayThresholdMS = 4;
    const startDelayMS = (startTime - WEBAudio.audioContext.currentTime) * 1e3;
    if (startDelayMS > startDelayThresholdMS) {
     microphoneSource._startTimeout = setTimeout(function() {
      microphoneSource.mute = false;
     }, startDelayThresholdMS);
    } else {
     microphoneSource.mute = false;
    }
    microphoneSource.addAutoStop(microphoneSource.startTime, soundClip.recordBuffer.duration);
   } else {
    if (!microphoneSource.audioDataSourceNode.isStarted) microphoneSource.audioDataSourceNode.start(startTime, offset);
    microphoneSource.audioDataSourceNode.isStarted = true;
   }
  };
  microphoneSource.stop = function(stopTime) {
   microphoneSource.startTime = undefined;
   microphoneSource.removeAutoStop();
   if (soundClip.isRecording) {
    const stopDelayThresholdMS = 4;
    const stopDelayMS = (stopTime - WEBAudio.audioContext.currentTime) * 1e3;
    if (stopDelayMS > stopDelayThresholdMS) {
     microphoneSource._stopTimeout = setTimeout(function() {
      microphoneSource.mute = true;
     }, stopDelayThresholdMS);
    } else {
     microphoneSource.mute = true;
    }
   } else {
    if (microphoneSource.audioDataSourceNode.isStarted) microphoneSource.audioDataSourceNode.stop(stopTime);
   }
  };
  return microphoneSource;
 };
 return soundClip;
}

function _JS_Sound_Create_With_Buffer(channels, length, sampleRate) {
 if (WEBAudio.audioWebEnabled == 0) return 0;
 var sound = Microphone_CreateSoundClipForRecording(channels, length, sampleRate);
 WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = sound;
 return WEBAudio.audioInstanceIdCounter;
}

function _JS_Sound_GetAudioBufferSampleRate(soundInstance) {
 if (WEBAudio.audioWebEnabled == 0) return WEBAudio.FAKEMOD_SAMPLERATE;
 var audioInstance = WEBAudio.audioInstances[soundInstance];
 if (!audioInstance) return WEBAudio.FAKEMOD_SAMPLERATE;
 if (typeof audioInstance.getFrequency === "function") return audioInstance.getFrequency();
 if (audioInstance.soundClip) {
  return audioInstance.soundClip.getFrequency();
 }
 return WEBAudio.FAKEMOD_SAMPLERATE;
}

function _JS_Sound_GetLength(bufferInstance) {
 if (WEBAudio.audioWebEnabled == 0) return 0;
 var soundClip = WEBAudio.audioInstances[bufferInstance];
 if (!soundClip) return 0;
 return soundClip.getLength();
}

function _JS_Sound_GetLoadState(bufferInstance) {
 if (WEBAudio.audioWebEnabled == 0) return 2;
 var sound = WEBAudio.audioInstances[bufferInstance];
 if (sound.error) return 2;
 if (sound.buffer || sound.url || sound.mediaStream || sound.isDecompressed) return 0;
 return 1;
}

function _JS_Sound_GetMetaData(bufferInstance, metaData) {
 metaData = metaData >>> 2;
 if (WEBAudio.audioWebEnabled == 0) {
  HEAPU32[metaData >>> 0] = 0;
  HEAPU32[metaData + 1 >>> 0] = 0;
  return false;
 }
 var soundClip = WEBAudio.audioInstances[bufferInstance];
 if (!soundClip) {
  HEAPU32[metaData >>> 0] = 0;
  HEAPU32[metaData + 1 >>> 0] = 0;
  return false;
 }
 HEAPU32[metaData >>> 0] = soundClip.getNumberOfChannels();
 HEAPU32[metaData + 1 >>> 0] = soundClip.getFrequency();
 return true;
}

function _JS_Sound_Init() {
 try {
  window.AudioContext = window.AudioContext || window.webkitAudioContext;
  WEBAudio.audioContext = new AudioContext();
  WEBAudio.audioContextSuspendedTime = _GetFakemodTimeInSeconds();
  WEBAudio.audioContextResumeOffset = 0;
  WEBAudio.audioContext.onstatechange = () => {
   var contextState = WEBAudio.audioContext.state;
   if (contextState === "running") {
    WEBAudio.contextIsRunning = true;
    var currentTime = _GetFakemodTimeInSeconds();
    WEBAudio.audioContextResumeOffset = currentTime - WEBAudio.audioContextSuspendedTime;
    console.log("Audio context resumed after " + WEBAudio.audioContextResumeOffset.toFixed(3) + " seconds.");
    var sound = WEBAudio.soundsPendingContextResume.pop();
    while (sound !== undefined) {
     var stopChannel = sound.stopDelay >= 0;
     if (sound.channel.source) {
      sound.stopDelay -= WEBAudio.audioContextResumeOffset;
      if (sound.stopDelay <= 0) sound.stopDelay = 0;
      var resumeChannel = !stopChannel || sound.stopDelay > 0;
      if (resumeChannel) sound.channel.resume(sound.offset + WEBAudio.audioContextResumeOffset);
      if (stopChannel) sound.channel.stop(sound.stopDelay);
     } else {
      var resumeOffset = 0;
      if (currentTime > sound.startTime) resumeOffset = currentTime - sound.startTime;
      sound.stopDelay -= resumeOffset;
      if (sound.stopDelay <= 0) sound.stopDelay = 0;
      var playSoundClip = !stopChannel || sound.stopDelay > 0;
      if (playSoundClip) {
       sound.channel.playSoundClip(sound.clip, sound.startTime, sound.offset + resumeOffset);
       if (stopChannel) sound.channel.stop(sound.stopDelay);
      }
     }
     sound = WEBAudio.soundsPendingContextResume.pop();
    }
   } else {
    WEBAudio.contextIsRunning = false;
    console.log("Audio context suspended.");
    WEBAudio.audioContextSuspendedTime = _GetFakemodTimeInSeconds();
    Object.values(WEBAudio.audioInstances).forEach(audioInstance => {
     if (audioInstance.source != null) {
      if (!audioInstance.isPaused()) {
       audioInstance.pause();
       WEBAudio.soundsPendingContextResume.push({
        channel: audioInstance,
        clip: null,
        startTime: null,
        stopDelay: -1,
        offset: audioInstance.source.playbackPausedAtPosition
       });
      }
     }
    });
   }
  };
  var tryToResumeAudioContext = function() {
   if (WEBAudio.audioContext.state === "suspended") WEBAudio.audioContext.resume().catch(function(error) {
    console.warn("Could not resume audio context. Exception: " + error);
   }); else Module.clearInterval(resumeInterval);
  };
  var resumeInterval = Module.setInterval(tryToResumeAudioContext, 400);
  WEBAudio.audioWebEnabled = 1;
  var _userEventCallback = function() {
   try {
    if (WEBAudio.audioContext.state !== "running" && WEBAudio.audioContext.state !== "closed") {
     WEBAudio.audioContext.resume().catch(function(error) {
      console.warn("Could not resume audio context. Exception: " + error);
     });
    }
    var audioCacheSize = 20;
    while (WEBAudio.audioCache.length < audioCacheSize) {
     var audio = new Audio();
     audio.autoplay = false;
     WEBAudio.audioCache.push(audio);
    }
   } catch (e) {}
  };
  window.addEventListener("mousedown", _userEventCallback);
  window.addEventListener("touchstart", _userEventCallback);
  Module.deinitializers.push(function() {
   window.removeEventListener("mousedown", _userEventCallback);
   window.removeEventListener("touchstart", _userEventCallback);
  });
 } catch (e) {
  alert("Web Audio API is not supported in this browser");
 }
}

function jsAudioCreateUncompressedSoundClipFromCompressedAudio(audioData) {
 var soundClip = jsAudioCreateUncompressedSoundClip(null, false);
 WEBAudio.audioContext.decodeAudioData(audioData, function(_buffer) {
  soundClip.buffer = _buffer;
 }, function(_error) {
  soundClip.error = true;
  console.log("Decode error: " + _error);
 });
 return soundClip;
}

function jsAudioGetMimeTypeFromType(fmodSoundType) {
 switch (fmodSoundType) {
 case 13:
  return "audio/mpeg";

 case 20:
  return "audio/wav";

 default:
  return "audio/mp4";
 }
}

function jsAudioCreateCompressedSoundClip(audioData, fmodSoundType) {
 var mimeType = jsAudioGetMimeTypeFromType(fmodSoundType);
 var blob = new Blob([ audioData ], {
  type: mimeType
 });
 var soundClip = {
  url: URL.createObjectURL(blob),
  error: false,
  mediaElement: new Audio()
 };
 soundClip.mediaElement.preload = "metadata";
 soundClip.mediaElement.src = soundClip.url;
 soundClip.release = function() {
  if (!this.mediaElement) {
   return;
  }
  this.mediaElement.src = "";
  URL.revokeObjectURL(this.url);
  delete this.mediaElement;
  delete this.url;
 };
 soundClip.getLength = function() {
  return this.mediaElement.duration * _JS_Sound_GetAudioContextSampleRate();
 };
 soundClip.getData = function(ptr, length) {
  console.warn("getData() is not supported for compressed sound.");
  return 0;
 };
 soundClip.getNumberOfChannels = function() {
  console.warn("getNumberOfChannels() is not supported for compressed sound.");
  return 0;
 };
 soundClip.getFrequency = function() {
  console.warn("getFrequency() is not supported for compressed sound.");
  return _JS_Sound_GetAudioContextSampleRate();
 };
 soundClip.createSourceNode = function() {
  var self = this;
  var mediaElement = WEBAudio.audioCache.length ? WEBAudio.audioCache.pop() : new Audio();
  mediaElement.preload = "metadata";
  mediaElement.src = this.url;
  var source = WEBAudio.audioContext.createMediaElementSource(mediaElement);
  source.release = function() {
   source.mediaElement.removeAttribute("src");
   source.mediaElement.load();
  };
  Object.defineProperty(source, "loop", {
   get: function() {
    return source.mediaElement.loop;
   },
   set: function(v) {
    if (source.mediaElement.loop !== v) source.mediaElement.loop = v;
   }
  });
  source.playbackRate = {};
  Object.defineProperty(source.playbackRate, "value", {
   get: function() {
    return source.mediaElement.playbackRate;
   },
   set: function(v) {
    if (source.mediaElement.playbackRate !== v) source.mediaElement.playbackRate = v;
   }
  });
  Object.defineProperty(source, "currentTime", {
   get: function() {
    return source.mediaElement.currentTime;
   },
   set: function(v) {
    if (source.mediaElement.currentTime !== v) source.mediaElement.currentTime = v;
   }
  });
  source.estimatePlaybackPosition = function() {
   return source.mediaElement.currentTime;
  };
  Object.defineProperty(source, "mute", {
   get: function() {
    return source.mediaElement.mute;
   },
   set: function(v) {
    if (source.mediaElement.mute !== v) source.mediaElement.mute = v;
   }
  });
  Object.defineProperty(source, "onended", {
   get: function() {
    return source.mediaElement.onended;
   },
   set: function(onended) {
    source.mediaElement.onended = onended;
   }
  });
  source.playPromise = null;
  source.playTimeout = null;
  source.pauseRequested = false;
  source.isStopped = false;
  source._pauseMediaElement = function() {
   if (source.playPromise || source.playTimeout) {
    source.pauseRequested = true;
   } else {
    source.mediaElement.pause();
   }
  };
  source._startPlayback = function(offset) {
   if (source.playPromise || source.playTimeout) {
    source.mediaElement.currentTime = offset;
    source.pauseRequested = false;
    return;
   }
   source.mediaElement.currentTime = offset;
   source.playPromise = source.mediaElement.play();
   if (source.playPromise) {
    source.playPromise.then(function() {
     if (source.pauseRequested) {
      source.mediaElement.pause();
      source.pauseRequested = false;
     }
     source.playPromise = null;
    }).catch(function(error) {
     source.playPromise = null;
     if (error.name !== "NotAllowedError" && error.name !== "AbortError") throw error;
    });
   }
  };
  source.start = function(startTime, offset) {
   if (typeof startTime === "undefined") {
    startTime = WEBAudio.audioContext.currentTime;
   }
   if (typeof offset === "undefined") {
    offset = 0;
   }
   var startDelayThresholdMS = 4;
   var startDelayMS = (startTime - WEBAudio.audioContext.currentTime) * 1e3;
   if (startDelayMS > startDelayThresholdMS) {
    source.playTimeout = setTimeout(function() {
     source.playTimeout = null;
     source._startPlayback(offset);
    }, startDelayMS);
   } else {
    source._startPlayback(offset);
   }
  };
  source.stop = function(stopTime) {
   if (typeof stopTime === "undefined") {
    stopTime = WEBAudio.audioContext.currentTime;
   }
   var stopDelayThresholdMS = 4;
   var stopDelayMS = (stopTime - WEBAudio.audioContext.currentTime) * 1e3;
   if (stopDelayMS > stopDelayThresholdMS) {
    setTimeout(function() {
     source._pauseMediaElement();
     source.isStopped = true;
    }, stopDelayMS);
   } else {
    source._pauseMediaElement();
    source.isStopped = true;
   }
  };
  jsAudioMixinSetPitch(source);
  return source;
 };
 return soundClip;
}

function _JS_Sound_Load(ptr, length, decompress, fmodSoundType) {
 if (WEBAudio.audioWebEnabled == 0) return 0;
 ptr = ptr >>> 0;
 var audioData = HEAPU8.buffer.slice(ptr, ptr + length);
 if (length < 131072) decompress = 1;
 if (!!window.chrome) decompress = 1;
 var sound;
 if (decompress) {
  sound = jsAudioCreateUncompressedSoundClipFromCompressedAudio(audioData);
 } else {
  sound = jsAudioCreateCompressedSoundClip(audioData, fmodSoundType);
 }
 WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = sound;
 return WEBAudio.audioInstanceIdCounter;
}

function jsAudioCreateUncompressedSoundClipFromPCM(channels, length, sampleRate, ptr) {
 var buffer = WEBAudio.audioContext.createBuffer(channels, length, sampleRate);
 var idx = ptr >>> 2;
 for (var i = 0; i < channels; i++) {
  var offs = idx + length * i;
  var copyToChannel = buffer["copyToChannel"] || function(source, channelNumber, startInChannel) {
   var clipped = source.subarray(0, Math.min(source.length, this.length - (startInChannel | 0)));
   this.getChannelData(channelNumber | 0).set(clipped, startInChannel | 0);
  };
  var source = HEAPF32.subarray(offs >>> 0, offs + length >>> 0);
  copyToChannel.apply(buffer, [ source, i, 0 ]);
 }
 return jsAudioCreateUncompressedSoundClip(buffer, false);
}

function _JS_Sound_Load_PCM(channels, length, sampleRate, ptr) {
 if (WEBAudio.audioWebEnabled == 0) return 0;
 var sound = jsAudioCreateUncompressedSoundClipFromPCM(channels, length, sampleRate, ptr);
 WEBAudio.audioInstances[++WEBAudio.audioInstanceIdCounter] = sound;
 return WEBAudio.audioInstanceIdCounter;
}

function _JS_Sound_Play(bufferInstance, channelInstance, offset, delay) {
 if (WEBAudio.audioWebEnabled == 0) return;
 _JS_Sound_Stop(channelInstance, 0);
 var soundClip = WEBAudio.audioInstances[bufferInstance];
 var channel = WEBAudio.audioInstances[channelInstance];
 if (!soundClip) {
  console.log("Trying to play sound which is not loaded.");
  return;
 }
 try {
  if (WEBAudio.contextIsRunning) {
   channel.playSoundClip(soundClip, WEBAudio.audioContext.currentTime + delay, offset);
  } else {
   WEBAudio.soundsPendingContextResume.push({
    channel: channel,
    clip: soundClip,
    startTime: WEBAudio.audioContext.currentTime + delay,
    stopDelay: -1,
    offset: offset
   });
  }
 } catch (e) {
  console.error("playSoundClip error. Exception: " + e);
 }
}

function _JS_Sound_ReleaseInstance(instance) {
 var object = WEBAudio.audioInstances[instance];
 if (object) {
  object.release();
 }
 delete WEBAudio.audioInstances[instance];
}

function _JS_Sound_ResumeIfNeeded() {
 if (WEBAudio.audioWebEnabled == 0) return;
 if (WEBAudio.audioContext.state === "suspended") WEBAudio.audioContext.resume().catch(function(error) {
  console.warn("Could not resume audio context. Exception: " + error);
 });
}

function _JS_Sound_Set3D(channelInstance, spatialBlendLevel) {
 var channel = WEBAudio.audioInstances[channelInstance];
 channel.set3D(spatialBlendLevel);
}

function _JS_Sound_SetListenerOrientation(x, y, z, xUp, yUp, zUp) {
 if (WEBAudio.audioWebEnabled == 0) return;
 x = -x;
 y = -y;
 z = -z;
 var l = WEBAudio.audioContext.listener;
 if (l.forwardX) {
  if (l.forwardX.value !== x) l.forwardX.value = x;
  if (l.forwardY.value !== y) l.forwardY.value = y;
  if (l.forwardZ.value !== z) l.forwardZ.value = z;
  if (l.upX.value !== xUp) l.upX.value = xUp;
  if (l.upY.value !== yUp) l.upY.value = yUp;
  if (l.upZ.value !== zUp) l.upZ.value = zUp;
 } else if (l._forwardX !== x || l._forwardY !== y || l._forwardZ !== z || l._upX !== xUp || l._upY !== yUp || l._upZ !== zUp) {
  l.setOrientation(x, y, z, xUp, yUp, zUp);
  l._forwardX = x;
  l._forwardY = y;
  l._forwardZ = z;
  l._upX = xUp;
  l._upY = yUp;
  l._upZ = zUp;
 }
}

function _JS_Sound_SetListenerPosition(x, y, z) {
 if (WEBAudio.audioWebEnabled == 0) return;
 try {
  var l = WEBAudio.audioContext.listener;
  if (l.positionX) {
   if (l.positionX.value !== x) l.positionX.value = x;
   if (l.positionY.value !== y) l.positionY.value = y;
   if (l.positionZ.value !== z) l.positionZ.value = z;
  } else if (l._positionX !== x || l._positionY !== y || l._positionZ !== z) {
   l.setPosition(x, y, z);
   l._positionX = x;
   l._positionY = y;
   l._positionZ = z;
  }
 } catch (e) {
  console.error("JS_Sound_SetListenerPosition(x=" + x + ", y=" + y + ", z=" + z + ") threw an exception: " + e);
 }
}

function _JS_Sound_SetLoop(channelInstance, loop) {
 if (WEBAudio.audioWebEnabled == 0) return;
 var channel = WEBAudio.audioInstances[channelInstance];
 channel.setLoop(loop);
}

function _JS_Sound_SetLoopPoints(channelInstance, loopStart, loopEnd) {
 if (WEBAudio.audioWebEnabled == 0) return;
 var channel = WEBAudio.audioInstances[channelInstance];
 channel.setLoopPoints(loopStart, loopEnd);
}

function _JS_Sound_SetPaused(channelInstance, paused) {
 if (WEBAudio.audioWebEnabled == 0) return;
 var channel = WEBAudio.audioInstances[channelInstance];
 if (paused != channel.isPaused()) {
  if (paused) channel.pause(); else channel.resume();
 }
}

function _JS_Sound_SetPitch(channelInstance, v) {
 if (WEBAudio.audioWebEnabled == 0) return;
 try {
  var channel = WEBAudio.audioInstances[channelInstance];
  channel.setPitch(v);
 } catch (e) {
  console.error("JS_Sound_SetPitch(channel=" + channelInstance + ", pitch=" + v + ") threw an exception: " + e);
 }
}

function _JS_Sound_SetPosition(channelInstance, x, y, z) {
 if (WEBAudio.audioWebEnabled == 0) return;
 var channel = WEBAudio.audioInstances[channelInstance];
 channel.setPosition(x, y, z);
}

function _JS_Sound_SetVolume(channelInstance, v) {
 if (WEBAudio.audioWebEnabled == 0) return;
 try {
  var channel = WEBAudio.audioInstances[channelInstance];
  channel.setVolume(v);
 } catch (e) {
  console.error("JS_Sound_SetVolume(channel=" + channelInstance + ", volume=" + v + ") threw an exception: " + e);
 }
}

function _JS_Sound_Stop(channelInstance, delay) {
 if (WEBAudio.audioWebEnabled == 0) return;
 var channel = WEBAudio.audioInstances[channelInstance];
 if (WEBAudio.contextIsRunning) {
  channel.stop(delay);
 } else {
  const soundToStopIndex = WEBAudio.soundsPendingContextResume.findIndex(sound => sound.channel == channel);
  if (soundToStopIndex != -1) WEBAudio.soundsPendingContextResume[soundToStopIndex].stopDelay = delay;
 }
}

function _JS_SystemInfo_GetAnimationFrameRate() {
 return screenAnimationFrameRate;
}

function _JS_SystemInfo_GetBrowserName(buffer, bufferSize) {
 var browser = Module.SystemInfo.browser;
 if (buffer) stringToUTF8(browser, buffer, bufferSize);
 return lengthBytesUTF8(browser);
}

function _JS_SystemInfo_GetBrowserVersionString(buffer, bufferSize) {
 var browserVer = Module.SystemInfo.browserVersion;
 if (buffer) stringToUTF8(browserVer, buffer, bufferSize);
 return lengthBytesUTF8(browserVer);
}

function _JS_SystemInfo_GetCanvasClientSize(domElementSelector, outWidth, outHeight) {
 var selector = UTF8ToString(domElementSelector);
 var canvas = selector == "#canvas" ? Module["canvas"] : document.querySelector(selector);
 var w = 0, h = 0;
 if (canvas) {
  var size = canvas.getBoundingClientRect();
  w = size.width;
  h = size.height;
 }
 outWidth = outWidth >>> 3;
 outHeight = outHeight >>> 3;
 HEAPF64[outWidth >>> 0] = w;
 HEAPF64[outHeight >>> 0] = h;
}

function _JS_SystemInfo_GetDocumentURL(buffer, bufferSize) {
 if (buffer) stringToUTF8(document.URL, buffer, bufferSize);
 return lengthBytesUTF8(document.URL);
}

function _JS_SystemInfo_GetGPUInfo(buffer, bufferSize) {
 var gpuinfo = Module.SystemInfo.gpu;
 if (buffer) stringToUTF8(gpuinfo, buffer, bufferSize);
 return lengthBytesUTF8(gpuinfo);
}

function _JS_SystemInfo_GetMatchWebGLToCanvasSize() {
 return Module.matchWebGLToCanvasSize || Module.matchWebGLToCanvasSize === undefined;
}

function _JS_SystemInfo_GetOS(buffer, bufferSize) {
 var browser = Module.SystemInfo.os + " " + Module.SystemInfo.osVersion;
 if (buffer) stringToUTF8(browser, buffer, bufferSize);
 return lengthBytesUTF8(browser);
}

function _JS_SystemInfo_GetPreferredDevicePixelRatio() {
 return Module.matchWebGLToCanvasSize == false ? 1 : Module.devicePixelRatio || window.devicePixelRatio || 1;
}

function _JS_SystemInfo_GetScreenSize(outWidth, outHeight) {
 outWidth = outWidth >>> 3;
 outHeight = outHeight >>> 3;
 HEAPF64[outWidth >>> 0] = Module.SystemInfo.width;
 HEAPF64[outHeight >>> 0] = Module.SystemInfo.height;
}

function _JS_SystemInfo_GetStreamingAssetsURL(buffer, bufferSize) {
 if (buffer) stringToUTF8(Module.streamingAssetsUrl, buffer, bufferSize);
 return lengthBytesUTF8(Module.streamingAssetsUrl);
}

function _JS_SystemInfo_HasAstcHdr() {
 var ext = GLctx.getExtension("WEBGL_compressed_texture_astc");
 if (ext && ext.getSupportedProfiles) {
  return ext.getSupportedProfiles().includes("hdr");
 }
 return false;
}

function _JS_SystemInfo_HasCursorLock() {
 return Module.SystemInfo.hasCursorLock;
}

function _JS_SystemInfo_HasFullscreen() {
 return Module.SystemInfo.hasFullscreen;
}

function _JS_SystemInfo_HasWebGL() {
 return Module.SystemInfo.hasWebGL;
}

function _JS_SystemInfo_HasWebGPU() {
 return Module.SystemInfo.hasWebGPU;
}

function _JS_SystemInfo_IsMobile() {
 return Module.SystemInfo.mobile;
}

function _JS_UnityEngineShouldQuit() {
 return !!Module.shouldQuit;
}

var activeWebCams = {};

function _JS_WebCamVideo_GetNativeHeight(deviceId) {
 return activeWebCams[deviceId] && activeWebCams[deviceId].video.videoHeight;
}

function _JS_WebCamVideo_GetNativeWidth(deviceId) {
 return activeWebCams[deviceId] && activeWebCams[deviceId].video.videoWidth;
}

function _JS_WebCamVideo_GrabFrame(deviceId, buffer, destWidth, destHeight) {
 var webcam = activeWebCams[deviceId];
 if (!webcam) return;
 var timeNow = performance.now();
 if (timeNow < webcam.nextFrameAvailableTime) {
  return;
 }
 webcam.nextFrameAvailableTime += webcam.frameLengthInMsecs;
 if (webcam.nextFrameAvailableTime < timeNow) {
  webcam.nextFrameAvailableTime = timeNow + webcam.frameLengthInMsecs;
 }
 var canvas = webcam.canvas;
 if (canvas.width != destWidth || canvas.height != destHeight || !webcam.context2d) {
  canvas.width = destWidth;
  canvas.height = destHeight;
  webcam.context2d = canvas.getContext("2d");
 }
 var context = webcam.context2d;
 context.drawImage(webcam.video, 0, 0, webcam.video.videoWidth, webcam.video.videoHeight, 0, 0, destWidth, destHeight);
 HEAPU8.set(context.getImageData(0, 0, destWidth, destHeight).data, buffer >>> 0);
 return 1;
}

function _JS_WebGPU_SetCommandEncoder(encoder) {
 Module["WebGPU"].commandEncoder = encoder;
}

function utf8(ptr) {
 return UTF8ToString(ptr);
}

function wgpu_checked_shift(ptr, shift) {
 assert((ptr >>> 0) % (1 << shift) == 0, "Unaligned pointer fault!");
 return ptr >>> shift;
}

var wgpu = {};

function _JS_WebGPU_Setup(adapter, device) {
 Module["WebGPU"] = {};
 Module["WebGPU"].adapter = wgpu[adapter];
 Module["WebGPU"].device = wgpu[device];
}

function _JS_WebPlayer_FinishInitialization() {
 Module.WebPlayer.PlayerIsInitialized();
}

function ___assert_fail(condition, filename, line, func) {
 abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
}

function ___dlsym(handle, symbol) {
 warnOnce("__dlsym: Unable to open DLL! Dynamic linking is not supported in WebAssembly builds due to limitations to performance and code size. Please statically link in the needed libraries.");
}

function ___syscall__newselect(nfds, readfds, writefds, exceptfds, timeout) {
 try {
  assert(nfds <= 64, "nfds must be less than or equal to 64");
  assert(!exceptfds, "exceptfds not supported");
  var total = 0;
  var srcReadLow = readfds ? HEAP32[readfds >>> 2] : 0, srcReadHigh = readfds ? HEAP32[readfds + 4 >>> 2] : 0;
  var srcWriteLow = writefds ? HEAP32[writefds >>> 2] : 0, srcWriteHigh = writefds ? HEAP32[writefds + 4 >>> 2] : 0;
  var srcExceptLow = exceptfds ? HEAP32[exceptfds >>> 2] : 0, srcExceptHigh = exceptfds ? HEAP32[exceptfds + 4 >>> 2] : 0;
  var dstReadLow = 0, dstReadHigh = 0;
  var dstWriteLow = 0, dstWriteHigh = 0;
  var dstExceptLow = 0, dstExceptHigh = 0;
  var allLow = (readfds ? HEAP32[readfds >>> 2] : 0) | (writefds ? HEAP32[writefds >>> 2] : 0) | (exceptfds ? HEAP32[exceptfds >>> 2] : 0);
  var allHigh = (readfds ? HEAP32[readfds + 4 >>> 2] : 0) | (writefds ? HEAP32[writefds + 4 >>> 2] : 0) | (exceptfds ? HEAP32[exceptfds + 4 >>> 2] : 0);
  var check = function(fd, low, high, val) {
   return fd < 32 ? low & val : high & val;
  };
  for (var fd = 0; fd < nfds; fd++) {
   var mask = 1 << fd % 32;
   if (!check(fd, allLow, allHigh, mask)) {
    continue;
   }
   var stream = SYSCALLS.getStreamFromFD(fd);
   var flags = SYSCALLS.DEFAULT_POLLMASK;
   if (stream.stream_ops.poll) {
    flags = stream.stream_ops.poll(stream);
   }
   if (flags & 1 && check(fd, srcReadLow, srcReadHigh, mask)) {
    fd < 32 ? dstReadLow = dstReadLow | mask : dstReadHigh = dstReadHigh | mask;
    total++;
   }
   if (flags & 4 && check(fd, srcWriteLow, srcWriteHigh, mask)) {
    fd < 32 ? dstWriteLow = dstWriteLow | mask : dstWriteHigh = dstWriteHigh | mask;
    total++;
   }
   if (flags & 2 && check(fd, srcExceptLow, srcExceptHigh, mask)) {
    fd < 32 ? dstExceptLow = dstExceptLow | mask : dstExceptHigh = dstExceptHigh | mask;
    total++;
   }
  }
  if (readfds) {
   HEAP32[readfds >>> 2] = dstReadLow;
   HEAP32[readfds + 4 >>> 2] = dstReadHigh;
  }
  if (writefds) {
   HEAP32[writefds >>> 2] = dstWriteLow;
   HEAP32[writefds + 4 >>> 2] = dstWriteHigh;
  }
  if (exceptfds) {
   HEAP32[exceptfds >>> 2] = dstExceptLow;
   HEAP32[exceptfds + 4 >>> 2] = dstExceptHigh;
  }
  return total;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

var SOCKFS = {
 mount: function(mount) {
  Module["websocket"] = Module["websocket"] && "object" === typeof Module["websocket"] ? Module["websocket"] : {};
  Module["websocket"]._callbacks = {};
  Module["websocket"]["on"] = function(event, callback) {
   if ("function" === typeof callback) {
    this._callbacks[event] = callback;
   }
   return this;
  };
  Module["websocket"].emit = function(event, param) {
   if ("function" === typeof this._callbacks[event]) {
    this._callbacks[event].call(this, param);
   }
  };
  return FS.createNode(null, "/", 16384 | 511, 0);
 },
 createSocket: function(family, type, protocol) {
  type &= ~526336;
  var streaming = type == 1;
  if (streaming && protocol && protocol != 6) {
   throw new FS.ErrnoError(66);
  }
  var sock = {
   family: family,
   type: type,
   protocol: protocol,
   server: null,
   error: null,
   peers: {},
   pending: [],
   recv_queue: [],
   sock_ops: SOCKFS.websocket_sock_ops
  };
  var name = SOCKFS.nextname();
  var node = FS.createNode(SOCKFS.root, name, 49152, 0);
  node.sock = sock;
  var stream = FS.createStream({
   path: name,
   node: node,
   flags: 2,
   seekable: false,
   stream_ops: SOCKFS.stream_ops
  });
  sock.stream = stream;
  return sock;
 },
 getSocket: function(fd) {
  var stream = FS.getStream(fd);
  if (!stream || !FS.isSocket(stream.node.mode)) {
   return null;
  }
  return stream.node.sock;
 },
 stream_ops: {
  poll: function(stream) {
   var sock = stream.node.sock;
   return sock.sock_ops.poll(sock);
  },
  ioctl: function(stream, request, varargs) {
   var sock = stream.node.sock;
   return sock.sock_ops.ioctl(sock, request, varargs);
  },
  read: function(stream, buffer, offset, length, position) {
   var sock = stream.node.sock;
   var msg = sock.sock_ops.recvmsg(sock, length);
   if (!msg) {
    return 0;
   }
   buffer.set(msg.buffer, offset);
   return msg.buffer.length;
  },
  write: function(stream, buffer, offset, length, position) {
   var sock = stream.node.sock;
   return sock.sock_ops.sendmsg(sock, buffer, offset, length);
  },
  close: function(stream) {
   var sock = stream.node.sock;
   sock.sock_ops.close(sock);
  }
 },
 nextname: function() {
  if (!SOCKFS.nextname.current) {
   SOCKFS.nextname.current = 0;
  }
  return "socket[" + SOCKFS.nextname.current++ + "]";
 },
 websocket_sock_ops: {
  createPeer: function(sock, addr, port) {
   var ws;
   if (typeof addr == "object") {
    ws = addr;
    addr = null;
    port = null;
   }
   if (ws) {
    if (ws._socket) {
     addr = ws._socket.remoteAddress;
     port = ws._socket.remotePort;
    } else {
     var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
     if (!result) {
      throw new Error("WebSocket URL must be in the format ws(s)://address:port");
     }
     addr = result[1];
     port = parseInt(result[2], 10);
    }
   } else {
    try {
     var runtimeConfig = Module["websocket"] && "object" === typeof Module["websocket"];
     var url = "ws:#".replace("#", "//");
     if (runtimeConfig) {
      if ("string" === typeof Module["websocket"]["url"]) {
       url = Module["websocket"]["url"];
      }
     }
     if (url === "ws://" || url === "wss://") {
      var parts = addr.split("/");
      url = url + parts[0] + ":" + port + "/" + parts.slice(1).join("/");
     }
     var subProtocols = "binary";
     if (runtimeConfig) {
      if ("string" === typeof Module["websocket"]["subprotocol"]) {
       subProtocols = Module["websocket"]["subprotocol"];
      }
     }
     var opts = undefined;
     if (subProtocols !== "null") {
      subProtocols = subProtocols.replace(/^ +| +$/g, "").split(/ *, */);
      opts = subProtocols;
     }
     if (runtimeConfig && null === Module["websocket"]["subprotocol"]) {
      subProtocols = "null";
      opts = undefined;
     }
     var WebSocketConstructor;
     {
      WebSocketConstructor = WebSocket;
     }
     ws = new WebSocketConstructor(url, opts);
     ws.binaryType = "arraybuffer";
    } catch (e) {
     throw new FS.ErrnoError(23);
    }
   }
   var peer = {
    addr: addr,
    port: port,
    socket: ws,
    msg_send_queue: []
   };
   SOCKFS.websocket_sock_ops.addPeer(sock, peer);
   SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
   if (sock.type === 2 && typeof sock.sport != "undefined") {
    peer.msg_send_queue.push(new Uint8Array([ 255, 255, 255, 255, "p".charCodeAt(0), "o".charCodeAt(0), "r".charCodeAt(0), "t".charCodeAt(0), (sock.sport & 65280) >> 8, sock.sport & 255 ]));
   }
   return peer;
  },
  getPeer: function(sock, addr, port) {
   return sock.peers[addr + ":" + port];
  },
  addPeer: function(sock, peer) {
   sock.peers[peer.addr + ":" + peer.port] = peer;
  },
  removePeer: function(sock, peer) {
   delete sock.peers[peer.addr + ":" + peer.port];
  },
  handlePeerEvents: function(sock, peer) {
   var first = true;
   var handleOpen = function() {
    Module["websocket"].emit("open", sock.stream.fd);
    try {
     var queued = peer.msg_send_queue.shift();
     while (queued) {
      peer.socket.send(queued);
      queued = peer.msg_send_queue.shift();
     }
    } catch (e) {
     peer.socket.close();
    }
   };
   function handleMessage(data) {
    if (typeof data == "string") {
     var encoder = new TextEncoder();
     data = encoder.encode(data);
    } else {
     assert(data.byteLength !== undefined);
     if (data.byteLength == 0) {
      return;
     }
     data = new Uint8Array(data);
    }
    var wasfirst = first;
    first = false;
    if (wasfirst && data.length === 10 && data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 && data[4] === "p".charCodeAt(0) && data[5] === "o".charCodeAt(0) && data[6] === "r".charCodeAt(0) && data[7] === "t".charCodeAt(0)) {
     var newport = data[8] << 8 | data[9];
     SOCKFS.websocket_sock_ops.removePeer(sock, peer);
     peer.port = newport;
     SOCKFS.websocket_sock_ops.addPeer(sock, peer);
     return;
    }
    sock.recv_queue.push({
     addr: peer.addr,
     port: peer.port,
     data: data
    });
    Module["websocket"].emit("message", sock.stream.fd);
   }
   if (ENVIRONMENT_IS_NODE) {
    peer.socket.on("open", handleOpen);
    peer.socket.on("message", function(data, isBinary) {
     if (!isBinary) {
      return;
     }
     handleMessage(new Uint8Array(data).buffer);
    });
    peer.socket.on("close", function() {
     Module["websocket"].emit("close", sock.stream.fd);
    });
    peer.socket.on("error", function(error) {
     sock.error = 14;
     Module["websocket"].emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
    });
   } else {
    peer.socket.onopen = handleOpen;
    peer.socket.onclose = function() {
     Module["websocket"].emit("close", sock.stream.fd);
    };
    peer.socket.onmessage = function peer_socket_onmessage(event) {
     handleMessage(event.data);
    };
    peer.socket.onerror = function(error) {
     sock.error = 14;
     Module["websocket"].emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
    };
   }
  },
  poll: function(sock) {
   if (sock.type === 1 && sock.server) {
    return sock.pending.length ? 64 | 1 : 0;
   }
   var mask = 0;
   var dest = sock.type === 1 ? SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : null;
   if (sock.recv_queue.length || !dest || dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) {
    mask |= 64 | 1;
   }
   if (!dest || dest && dest.socket.readyState === dest.socket.OPEN) {
    mask |= 4;
   }
   if (dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) {
    mask |= 16;
   }
   return mask;
  },
  ioctl: function(sock, request, arg) {
   switch (request) {
   case 21531:
    var bytes = 0;
    if (sock.recv_queue.length) {
     bytes = sock.recv_queue[0].data.length;
    }
    HEAP32[arg >>> 2] = bytes;
    return 0;

   default:
    return 28;
   }
  },
  close: function(sock) {
   if (sock.server) {
    try {
     sock.server.close();
    } catch (e) {}
    sock.server = null;
   }
   var peers = Object.keys(sock.peers);
   for (var i = 0; i < peers.length; i++) {
    var peer = sock.peers[peers[i]];
    try {
     peer.socket.close();
    } catch (e) {}
    SOCKFS.websocket_sock_ops.removePeer(sock, peer);
   }
   return 0;
  },
  bind: function(sock, addr, port) {
   if (typeof sock.saddr != "undefined" || typeof sock.sport != "undefined") {
    throw new FS.ErrnoError(28);
   }
   sock.saddr = addr;
   sock.sport = port;
   if (sock.type === 2) {
    if (sock.server) {
     sock.server.close();
     sock.server = null;
    }
    try {
     sock.sock_ops.listen(sock, 0);
    } catch (e) {
     if (!(e.name === "ErrnoError")) throw e;
     if (e.errno !== 138) throw e;
    }
   }
  },
  connect: function(sock, addr, port) {
   if (sock.server) {
    throw new FS.ErrnoError(138);
   }
   if (typeof sock.daddr != "undefined" && typeof sock.dport != "undefined") {
    var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
    if (dest) {
     if (dest.socket.readyState === dest.socket.CONNECTING) {
      throw new FS.ErrnoError(7);
     } else {
      throw new FS.ErrnoError(30);
     }
    }
   }
   var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
   sock.daddr = peer.addr;
   sock.dport = peer.port;
  },
  listen: function(sock, backlog) {
   if (!ENVIRONMENT_IS_NODE) {
    throw new FS.ErrnoError(138);
   }
  },
  accept: function(listensock) {
   if (!listensock.server || !listensock.pending.length) {
    throw new FS.ErrnoError(28);
   }
   var newsock = listensock.pending.shift();
   newsock.stream.flags = listensock.stream.flags;
   return newsock;
  },
  getname: function(sock, peer) {
   var addr, port;
   if (peer) {
    if (sock.daddr === undefined || sock.dport === undefined) {
     throw new FS.ErrnoError(53);
    }
    addr = sock.daddr;
    port = sock.dport;
   } else {
    addr = sock.saddr || 0;
    port = sock.sport || 0;
   }
   return {
    addr: addr,
    port: port
   };
  },
  sendmsg: function(sock, buffer, offset, length, addr, port) {
   if (sock.type === 2) {
    if (addr === undefined || port === undefined) {
     addr = sock.daddr;
     port = sock.dport;
    }
    if (addr === undefined || port === undefined) {
     throw new FS.ErrnoError(17);
    }
   } else {
    addr = sock.daddr;
    port = sock.dport;
   }
   var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
   if (sock.type === 1) {
    if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
     throw new FS.ErrnoError(53);
    }
   }
   if (ArrayBuffer.isView(buffer)) {
    offset += buffer.byteOffset;
    buffer = buffer.buffer;
   }
   var data;
   data = buffer.slice(offset, offset + length);
   if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
    if (sock.type === 2) {
     if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
      dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
     }
    }
    dest.msg_send_queue.push(data);
    return length;
   }
   try {
    dest.socket.send(data);
    return length;
   } catch (e) {
    throw new FS.ErrnoError(28);
   }
  },
  recvmsg: function(sock, length) {
   if (sock.type === 1 && sock.server) {
    throw new FS.ErrnoError(53);
   }
   var queued = sock.recv_queue.shift();
   if (!queued) {
    if (sock.type === 1) {
     var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
     if (!dest) {
      throw new FS.ErrnoError(53);
     }
     if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
      return null;
     }
     throw new FS.ErrnoError(6);
    }
    throw new FS.ErrnoError(6);
   }
   var queuedLength = queued.data.byteLength || queued.data.length;
   var queuedOffset = queued.data.byteOffset || 0;
   var queuedBuffer = queued.data.buffer || queued.data;
   var bytesRead = Math.min(length, queuedLength);
   var res = {
    buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
    addr: queued.addr,
    port: queued.port
   };
   if (sock.type === 1 && bytesRead < queuedLength) {
    var bytesRemaining = queuedLength - bytesRead;
    queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
    sock.recv_queue.unshift(queued);
   }
   return res;
  }
 }
};

function getSocketFromFD(fd) {
 var socket = SOCKFS.getSocket(fd);
 if (!socket) throw new FS.ErrnoError(8);
 return socket;
}

function setErrNo(value) {
 HEAP32[___errno_location() >>> 2] = value;
 return value;
}

var Sockets = {
 BUFFER_SIZE: 10240,
 MAX_BUFFER_SIZE: 10485760,
 nextFd: 1,
 fds: {},
 nextport: 1,
 maxport: 65535,
 peer: null,
 connections: {},
 portmap: {},
 localAddr: 4261412874,
 addrPool: [ 33554442, 50331658, 67108874, 83886090, 100663306, 117440522, 134217738, 150994954, 167772170, 184549386, 201326602, 218103818, 234881034 ]
};

function inetPton4(str) {
 var b = str.split(".");
 for (var i = 0; i < 4; i++) {
  var tmp = Number(b[i]);
  if (isNaN(tmp)) return null;
  b[i] = tmp;
 }
 return (b[0] | b[1] << 8 | b[2] << 16 | b[3] << 24) >>> 0;
}

function jstoi_q(str) {
 return parseInt(str);
}

function inetPton6(str) {
 var words;
 var w, offset, z, i;
 var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;
 var parts = [];
 if (!valid6regx.test(str)) {
  return null;
 }
 if (str === "::") {
  return [ 0, 0, 0, 0, 0, 0, 0, 0 ];
 }
 if (str.startsWith("::")) {
  str = str.replace("::", "Z:");
 } else {
  str = str.replace("::", ":Z:");
 }
 if (str.indexOf(".") > 0) {
  str = str.replace(new RegExp("[.]", "g"), ":");
  words = str.split(":");
  words[words.length - 4] = jstoi_q(words[words.length - 4]) + jstoi_q(words[words.length - 3]) * 256;
  words[words.length - 3] = jstoi_q(words[words.length - 2]) + jstoi_q(words[words.length - 1]) * 256;
  words = words.slice(0, words.length - 2);
 } else {
  words = str.split(":");
 }
 offset = 0;
 z = 0;
 for (w = 0; w < words.length; w++) {
  if (typeof words[w] == "string") {
   if (words[w] === "Z") {
    for (z = 0; z < 8 - words.length + 1; z++) {
     parts[w + z] = 0;
    }
    offset = z - 1;
   } else {
    parts[w + offset] = _htons(parseInt(words[w], 16));
   }
  } else {
   parts[w + offset] = words[w];
  }
 }
 return [ parts[1] << 16 | parts[0], parts[3] << 16 | parts[2], parts[5] << 16 | parts[4], parts[7] << 16 | parts[6] ];
}

function writeSockaddr(sa, family, addr, port, addrlen) {
 switch (family) {
 case 2:
  addr = inetPton4(addr);
  zeroMemory(sa, 16);
  if (addrlen) {
   HEAP32[addrlen >>> 2] = 16;
  }
  HEAP16[sa >>> 1] = family;
  HEAP32[sa + 4 >>> 2] = addr;
  HEAP16[sa + 2 >>> 1] = _htons(port);
  break;

 case 10:
  addr = inetPton6(addr);
  zeroMemory(sa, 28);
  if (addrlen) {
   HEAP32[addrlen >>> 2] = 28;
  }
  HEAP32[sa >>> 2] = family;
  HEAP32[sa + 8 >>> 2] = addr[0];
  HEAP32[sa + 12 >>> 2] = addr[1];
  HEAP32[sa + 16 >>> 2] = addr[2];
  HEAP32[sa + 20 >>> 2] = addr[3];
  HEAP16[sa + 2 >>> 1] = _htons(port);
  break;

 default:
  return 5;
 }
 return 0;
}

var DNS = {
 address_map: {
  id: 1,
  addrs: {},
  names: {}
 },
 lookup_name: function(name) {
  var res = inetPton4(name);
  if (res !== null) {
   return name;
  }
  res = inetPton6(name);
  if (res !== null) {
   return name;
  }
  var addr;
  if (DNS.address_map.addrs[name]) {
   addr = DNS.address_map.addrs[name];
  } else {
   var id = DNS.address_map.id++;
   assert(id < 65535, "exceeded max address mappings of 65535");
   addr = "172.29." + (id & 255) + "." + (id & 65280);
   DNS.address_map.names[addr] = name;
   DNS.address_map.addrs[name] = addr;
  }
  return addr;
 },
 lookup_addr: function(addr) {
  if (DNS.address_map.names[addr]) {
   return DNS.address_map.names[addr];
  }
  return null;
 }
};

function ___syscall_accept4(fd, addr, addrlen, flags, d1, d2) {
 try {
  var sock = getSocketFromFD(fd);
  var newsock = sock.sock_ops.accept(sock);
  if (addr) {
   var errno = writeSockaddr(addr, newsock.family, DNS.lookup_name(newsock.daddr), newsock.dport, addrlen);
   assert(!errno);
  }
  return newsock.stream.fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_chmod(path, mode) {
 try {
  path = SYSCALLS.getStr(path);
  FS.chmod(path, mode);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function inetNtop4(addr) {
 return (addr & 255) + "." + (addr >> 8 & 255) + "." + (addr >> 16 & 255) + "." + (addr >> 24 & 255);
}

function inetNtop6(ints) {
 var str = "";
 var word = 0;
 var longest = 0;
 var lastzero = 0;
 var zstart = 0;
 var len = 0;
 var i = 0;
 var parts = [ ints[0] & 65535, ints[0] >> 16, ints[1] & 65535, ints[1] >> 16, ints[2] & 65535, ints[2] >> 16, ints[3] & 65535, ints[3] >> 16 ];
 var hasipv4 = true;
 var v4part = "";
 for (i = 0; i < 5; i++) {
  if (parts[i] !== 0) {
   hasipv4 = false;
   break;
  }
 }
 if (hasipv4) {
  v4part = inetNtop4(parts[6] | parts[7] << 16);
  if (parts[5] === -1) {
   str = "::ffff:";
   str += v4part;
   return str;
  }
  if (parts[5] === 0) {
   str = "::";
   if (v4part === "0.0.0.0") v4part = "";
   if (v4part === "0.0.0.1") v4part = "1";
   str += v4part;
   return str;
  }
 }
 for (word = 0; word < 8; word++) {
  if (parts[word] === 0) {
   if (word - lastzero > 1) {
    len = 0;
   }
   lastzero = word;
   len++;
  }
  if (len > longest) {
   longest = len;
   zstart = word - longest + 1;
  }
 }
 for (word = 0; word < 8; word++) {
  if (longest > 1) {
   if (parts[word] === 0 && word >= zstart && word < zstart + longest) {
    if (word === zstart) {
     str += ":";
     if (zstart === 0) str += ":";
    }
    continue;
   }
  }
  str += Number(_ntohs(parts[word] & 65535)).toString(16);
  str += word < 7 ? ":" : "";
 }
 return str;
}

function readSockaddr(sa, salen) {
 var family = HEAP16[sa >>> 1];
 var port = _ntohs(HEAPU16[sa + 2 >>> 1]);
 var addr;
 switch (family) {
 case 2:
  if (salen !== 16) {
   return {
    errno: 28
   };
  }
  addr = HEAP32[sa + 4 >>> 2];
  addr = inetNtop4(addr);
  break;

 case 10:
  if (salen !== 28) {
   return {
    errno: 28
   };
  }
  addr = [ HEAP32[sa + 8 >>> 2], HEAP32[sa + 12 >>> 2], HEAP32[sa + 16 >>> 2], HEAP32[sa + 20 >>> 2] ];
  addr = inetNtop6(addr);
  break;

 default:
  return {
   errno: 5
  };
 }
 return {
  family: family,
  addr: addr,
  port: port
 };
}

function getSocketAddress(addrp, addrlen, allowNull) {
 if (allowNull && addrp === 0) return null;
 var info = readSockaddr(addrp, addrlen);
 if (info.errno) throw new FS.ErrnoError(info.errno);
 info.addr = DNS.lookup_addr(info.addr) || info.addr;
 return info;
}

function ___syscall_connect(fd, addr, addrlen, d1, d2, d3) {
 try {
  var sock = getSocketFromFD(fd);
  var info = getSocketAddress(addr, addrlen);
  sock.sock_ops.connect(sock, info.addr, info.port);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_faccessat(dirfd, path, amode, flags) {
 try {
  path = SYSCALLS.getStr(path);
  assert(flags === 0);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (amode & ~7) {
   return -28;
  }
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node) {
   return -44;
  }
  var perms = "";
  if (amode & 4) perms += "r";
  if (amode & 2) perms += "w";
  if (amode & 1) perms += "x";
  if (perms && FS.nodePermissions(node, perms)) {
   return -2;
  }
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_fcntl64(fd, cmd, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (cmd) {
  case 0:
   {
    var arg = SYSCALLS.get();
    if (arg < 0) {
     return -28;
    }
    var newStream;
    newStream = FS.createStream(stream, arg);
    return newStream.fd;
   }

  case 1:
  case 2:
   return 0;

  case 3:
   return stream.flags;

  case 4:
   {
    var arg = SYSCALLS.get();
    stream.flags |= arg;
    return 0;
   }

  case 5:
   {
    var arg = SYSCALLS.get();
    var offset = 0;
    HEAP16[arg + offset >>> 1] = 2;
    return 0;
   }

  case 6:
  case 7:
   return 0;

  case 16:
  case 8:
   return -28;

  case 9:
   setErrNo(28);
   return -1;

  default:
   {
    return -28;
   }
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_fstat64(fd, buf) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  return SYSCALLS.doStat(FS.stat, stream.path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_getcwd(buf, size) {
 try {
  if (size === 0) return -28;
  var cwd = FS.cwd();
  var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1;
  if (size < cwdLengthInBytes) return -68;
  stringToUTF8(cwd, buf, size);
  return cwdLengthInBytes;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_getdents64(fd, dirp, count) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  if (!stream.getdents) {
   stream.getdents = FS.readdir(stream.path);
  }
  var struct_size = 280;
  var pos = 0;
  var off = FS.llseek(stream, 0, 1);
  var idx = Math.floor(off / struct_size);
  while (idx < stream.getdents.length && pos + struct_size <= count) {
   var id;
   var type;
   var name = stream.getdents[idx];
   if (name === ".") {
    id = stream.node.id;
    type = 4;
   } else if (name === "..") {
    var lookup = FS.lookupPath(stream.path, {
     parent: true
    });
    id = lookup.node.id;
    type = 4;
   } else {
    var child = FS.lookupNode(stream.node, name);
    id = child.id;
    type = FS.isChrdev(child.mode) ? 2 : FS.isDir(child.mode) ? 4 : FS.isLink(child.mode) ? 10 : 8;
   }
   assert(id);
   HEAP64[dirp + pos >> 3] = BigInt(id);
   HEAP64[dirp + pos + 8 >> 3] = BigInt((idx + 1) * struct_size);
   HEAP16[dirp + pos + 16 >>> 1] = 280;
   HEAP8[dirp + pos + 18 >>> 0] = type;
   stringToUTF8(name, dirp + pos + 19, 256);
   pos += struct_size;
   idx += 1;
  }
  FS.llseek(stream, idx * struct_size, 0);
  return pos;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_getsockopt(fd, level, optname, optval, optlen, d1) {
 try {
  var sock = getSocketFromFD(fd);
  if (level === 1) {
   if (optname === 4) {
    HEAP32[optval >>> 2] = sock.error;
    HEAP32[optlen >>> 2] = 4;
    sock.error = null;
    return 0;
   }
  }
  return -50;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_ioctl(fd, op, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (op) {
  case 21509:
  case 21505:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21510:
  case 21511:
  case 21512:
  case 21506:
  case 21507:
  case 21508:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21519:
   {
    if (!stream.tty) return -59;
    var argp = SYSCALLS.get();
    HEAP32[argp >>> 2] = 0;
    return 0;
   }

  case 21520:
   {
    if (!stream.tty) return -59;
    return -28;
   }

  case 21531:
   {
    var argp = SYSCALLS.get();
    return FS.ioctl(stream, op, argp);
   }

  case 21523:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21524:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  default:
   return -28;
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_lstat64(path, buf) {
 try {
  path = SYSCALLS.getStr(path);
  return SYSCALLS.doStat(FS.lstat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_mkdirat(dirfd, path, mode) {
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  path = PATH.normalize(path);
  if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
  FS.mkdir(path, mode, 0);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_newfstatat(dirfd, path, buf, flags) {
 try {
  path = SYSCALLS.getStr(path);
  var nofollow = flags & 256;
  var allowEmpty = flags & 4096;
  flags = flags & ~6400;
  assert(!flags, "unknown flags in __syscall_newfstatat: " + flags);
  path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
  return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_openat(dirfd, path, flags, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  var mode = varargs ? SYSCALLS.get() : 0;
  return FS.open(path, flags, mode).fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_readlinkat(dirfd, path, buf, bufsize) {
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (bufsize <= 0) return -28;
  var ret = FS.readlink(path);
  var len = Math.min(bufsize, lengthBytesUTF8(ret));
  var endChar = HEAP8[buf + len >>> 0];
  stringToUTF8(ret, buf, bufsize + 1);
  HEAP8[buf + len >>> 0] = endChar;
  return len;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_recvfrom(fd, buf, len, flags, addr, addrlen) {
 try {
  var sock = getSocketFromFD(fd);
  var msg = sock.sock_ops.recvmsg(sock, len);
  if (!msg) return 0;
  if (addr) {
   var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(msg.addr), msg.port, addrlen);
   assert(!errno);
  }
  HEAPU8.set(msg.buffer, buf >>> 0);
  return msg.buffer.byteLength;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
 try {
  oldpath = SYSCALLS.getStr(oldpath);
  newpath = SYSCALLS.getStr(newpath);
  oldpath = SYSCALLS.calculateAt(olddirfd, oldpath);
  newpath = SYSCALLS.calculateAt(newdirfd, newpath);
  FS.rename(oldpath, newpath);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_rmdir(path) {
 try {
  path = SYSCALLS.getStr(path);
  FS.rmdir(path);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_sendto(fd, message, length, flags, addr, addr_len) {
 try {
  var sock = getSocketFromFD(fd);
  var dest = getSocketAddress(addr, addr_len, true);
  if (!dest) {
   return FS.write(sock.stream, HEAP8, message, length);
  }
  return sock.sock_ops.sendmsg(sock, HEAP8, message, length, dest.addr, dest.port);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_socket(domain, type, protocol) {
 try {
  var sock = SOCKFS.createSocket(domain, type, protocol);
  assert(sock.stream.fd < 64);
  return sock.stream.fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_stat64(path, buf) {
 try {
  path = SYSCALLS.getStr(path);
  return SYSCALLS.doStat(FS.stat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_statfs64(path, size, buf) {
 try {
  path = SYSCALLS.getStr(path);
  assert(size === 64);
  HEAP32[buf + 4 >>> 2] = 4096;
  HEAP32[buf + 40 >>> 2] = 4096;
  HEAP32[buf + 8 >>> 2] = 1e6;
  HEAP32[buf + 12 >>> 2] = 5e5;
  HEAP32[buf + 16 >>> 2] = 5e5;
  HEAP32[buf + 20 >>> 2] = FS.nextInode;
  HEAP32[buf + 24 >>> 2] = 1e6;
  HEAP32[buf + 28 >>> 2] = 42;
  HEAP32[buf + 44 >>> 2] = 2;
  HEAP32[buf + 36 >>> 2] = 255;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_symlink(target, linkpath) {
 try {
  target = SYSCALLS.getStr(target);
  linkpath = SYSCALLS.getStr(linkpath);
  FS.symlink(target, linkpath);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

var MAX_INT53 = 9007199254740992;

var MIN_INT53 = -9007199254740992;

function bigintToI53Checked(num) {
 return num < MIN_INT53 || num > MAX_INT53 ? NaN : Number(num);
}

function ___syscall_truncate64(path, length) {
 try {
  length = bigintToI53Checked(length);
  if (isNaN(length)) return -61;
  path = SYSCALLS.getStr(path);
  FS.truncate(path, length);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___syscall_unlinkat(dirfd, path, flags) {
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (flags === 0) {
   FS.unlink(path);
  } else if (flags === 512) {
   FS.rmdir(path);
  } else {
   abort("Invalid flags passed to unlinkat");
  }
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function readI53FromI64(ptr) {
 return HEAPU32[ptr >>> 2] + HEAP32[ptr + 4 >>> 2] * 4294967296;
}

function ___syscall_utimensat(dirfd, path, times, flags) {
 try {
  path = SYSCALLS.getStr(path);
  assert(flags === 0);
  path = SYSCALLS.calculateAt(dirfd, path, true);
  if (!times) {
   var atime = Date.now();
   var mtime = atime;
  } else {
   var seconds = readI53FromI64(times);
   var nanoseconds = HEAP32[times + 8 >>> 2];
   atime = seconds * 1e3 + nanoseconds / (1e3 * 1e3);
   times += 16;
   seconds = readI53FromI64(times);
   nanoseconds = HEAP32[times + 8 >>> 2];
   mtime = seconds * 1e3 + nanoseconds / (1e3 * 1e3);
  }
  FS.utime(path, atime, mtime);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function ___throw_exception_with_stack_trace(ex) {
 var e = new WebAssembly.Exception(getCppExceptionTag(), [ ex ], {
  traceStack: true
 });
 e.message = getExceptionMessage(e);
 if (e.stack) {
  var arr = e.stack.split("\n");
  arr.splice(1, 1);
  e.stack = arr.join("\n");
 }
 throw e;
}

var nowIsMonotonic = true;

function __emscripten_get_now_is_monotonic() {
 return nowIsMonotonic;
}

function __gmtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 HEAP32[tmPtr >>> 2] = date.getUTCSeconds();
 HEAP32[tmPtr + 4 >>> 2] = date.getUTCMinutes();
 HEAP32[tmPtr + 8 >>> 2] = date.getUTCHours();
 HEAP32[tmPtr + 12 >>> 2] = date.getUTCDate();
 HEAP32[tmPtr + 16 >>> 2] = date.getUTCMonth();
 HEAP32[tmPtr + 20 >>> 2] = date.getUTCFullYear() - 1900;
 HEAP32[tmPtr + 24 >>> 2] = date.getUTCDay();
 var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
 var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
 HEAP32[tmPtr + 28 >>> 2] = yday;
}

function isLeapYear(year) {
 return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}

var MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];

var MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];

function ydayFromDate(date) {
 var leap = isLeapYear(date.getFullYear());
 var monthDaysCumulative = leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE;
 var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
 return yday;
}

function __localtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 HEAP32[tmPtr >>> 2] = date.getSeconds();
 HEAP32[tmPtr + 4 >>> 2] = date.getMinutes();
 HEAP32[tmPtr + 8 >>> 2] = date.getHours();
 HEAP32[tmPtr + 12 >>> 2] = date.getDate();
 HEAP32[tmPtr + 16 >>> 2] = date.getMonth();
 HEAP32[tmPtr + 20 >>> 2] = date.getFullYear() - 1900;
 HEAP32[tmPtr + 24 >>> 2] = date.getDay();
 var yday = ydayFromDate(date) | 0;
 HEAP32[tmPtr + 28 >>> 2] = yday;
 HEAP32[tmPtr + 36 >>> 2] = -(date.getTimezoneOffset() * 60);
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
 HEAP32[tmPtr + 32 >>> 2] = dst;
}

function __mktime_js(tmPtr) {
 var date = new Date(HEAP32[tmPtr + 20 >>> 2] + 1900, HEAP32[tmPtr + 16 >>> 2], HEAP32[tmPtr + 12 >>> 2], HEAP32[tmPtr + 8 >>> 2], HEAP32[tmPtr + 4 >>> 2], HEAP32[tmPtr >>> 2], 0);
 var dst = HEAP32[tmPtr + 32 >>> 2];
 var guessedOffset = date.getTimezoneOffset();
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dstOffset = Math.min(winterOffset, summerOffset);
 if (dst < 0) {
  HEAP32[tmPtr + 32 >>> 2] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
 } else if (dst > 0 != (dstOffset == guessedOffset)) {
  var nonDstOffset = Math.max(winterOffset, summerOffset);
  var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
  date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
 }
 HEAP32[tmPtr + 24 >>> 2] = date.getDay();
 var yday = ydayFromDate(date) | 0;
 HEAP32[tmPtr + 28 >>> 2] = yday;
 HEAP32[tmPtr >>> 2] = date.getSeconds();
 HEAP32[tmPtr + 4 >>> 2] = date.getMinutes();
 HEAP32[tmPtr + 8 >>> 2] = date.getHours();
 HEAP32[tmPtr + 12 >>> 2] = date.getDate();
 HEAP32[tmPtr + 16 >>> 2] = date.getMonth();
 HEAP32[tmPtr + 20 >>> 2] = date.getYear();
 return date.getTime() / 1e3 | 0;
}

function __mmap_js(len, prot, flags, fd, off, allocated, addr) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var res = FS.mmap(stream, len, off, prot, flags);
  var ptr = res.ptr;
  HEAP32[allocated >>> 2] = res.allocated;
  ptr >>>= 0;
  HEAPU32[addr >>> 2] = ptr;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function __munmap_js(addr, len, prot, flags, fd, offset) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  if (prot & 2) {
   SYSCALLS.doMsync(addr, stream, len, flags, offset);
  }
  FS.munmap(stream);
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return -e.errno;
 }
}

function __tzset_js(timezone, daylight, tzname) {
 var currentYear = new Date().getFullYear();
 var winter = new Date(currentYear, 0, 1);
 var summer = new Date(currentYear, 6, 1);
 var winterOffset = winter.getTimezoneOffset();
 var summerOffset = summer.getTimezoneOffset();
 var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
 HEAPU32[timezone >>> 2] = stdTimezoneOffset * 60;
 HEAP32[daylight >>> 2] = Number(winterOffset != summerOffset);
 function extractZone(date) {
  var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
  return match ? match[1] : "GMT";
 }
 var winterName = extractZone(winter);
 var summerName = extractZone(summer);
 var winterNamePtr = stringToNewUTF8(winterName);
 var summerNamePtr = stringToNewUTF8(summerName);
 if (summerOffset < winterOffset) {
  HEAPU32[tzname >>> 2] = winterNamePtr;
  HEAPU32[tzname + 4 >>> 2] = summerNamePtr;
 } else {
  HEAPU32[tzname >>> 2] = summerNamePtr;
  HEAPU32[tzname + 4 >>> 2] = winterNamePtr;
 }
}

function _abort() {
 abort("native code called abort()");
}

function _dlopen(handle) {
 warnOnce("dlopen: Unable to open DLL! Dynamic linking is not supported in WebAssembly builds due to limitations to performance and code size. Please statically link in the needed libraries.");
}

function _emscripten_cancel_main_loop() {
 Browser.mainLoop.pause();
 Browser.mainLoop.func = null;
}

function _emscripten_clear_interval(id) {
 clearInterval(id);
}

function _emscripten_console_error(str) {
 assert(typeof str == "number");
 console.error(UTF8ToString(str));
}

function _emscripten_date_now() {
 return Date.now();
}

function _emscripten_debugger() {
 debugger;
}

var JSEvents = {
 inEventHandler: 0,
 removeAllEventListeners: function() {
  for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
   JSEvents._removeHandler(i);
  }
  JSEvents.eventHandlers = [];
  JSEvents.deferredCalls = [];
 },
 registerRemoveEventListeners: function() {
  if (!JSEvents.removeEventListenersRegistered) {
   __ATEXIT__.push(JSEvents.removeAllEventListeners);
   JSEvents.removeEventListenersRegistered = true;
  }
 },
 deferredCalls: [],
 deferCall: function(targetFunction, precedence, argsList) {
  function arraysHaveEqualContent(arrA, arrB) {
   if (arrA.length != arrB.length) return false;
   for (var i in arrA) {
    if (arrA[i] != arrB[i]) return false;
   }
   return true;
  }
  for (var i in JSEvents.deferredCalls) {
   var call = JSEvents.deferredCalls[i];
   if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
    return;
   }
  }
  JSEvents.deferredCalls.push({
   targetFunction: targetFunction,
   precedence: precedence,
   argsList: argsList
  });
  JSEvents.deferredCalls.sort(function(x, y) {
   return x.precedence < y.precedence;
  });
 },
 removeDeferredCalls: function(targetFunction) {
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
    JSEvents.deferredCalls.splice(i, 1);
    --i;
   }
  }
 },
 canPerformEventHandlerRequests: function() {
  return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
 },
 runDeferredCalls: function() {
  if (!JSEvents.canPerformEventHandlerRequests()) {
   return;
  }
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   var call = JSEvents.deferredCalls[i];
   JSEvents.deferredCalls.splice(i, 1);
   --i;
   call.targetFunction.apply(null, call.argsList);
  }
 },
 eventHandlers: [],
 removeAllHandlersOnTarget: function(target, eventTypeString) {
  for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
   if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
    JSEvents._removeHandler(i--);
   }
  }
 },
 _removeHandler: function(i) {
  var h = JSEvents.eventHandlers[i];
  h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
  JSEvents.eventHandlers.splice(i, 1);
 },
 registerOrRemoveHandler: function(eventHandler) {
  if (!eventHandler.target) {
   err("registerOrRemoveHandler: the target element for event handler registration does not exist, when processing the following event handler registration:");
   console.dir(eventHandler);
   return -4;
  }
  var jsEventHandler = function jsEventHandler(event) {
   ++JSEvents.inEventHandler;
   JSEvents.currentEventHandler = eventHandler;
   JSEvents.runDeferredCalls();
   eventHandler.handlerFunc(event);
   JSEvents.runDeferredCalls();
   --JSEvents.inEventHandler;
  };
  if (eventHandler.callbackfunc) {
   eventHandler.eventListenerFunc = jsEventHandler;
   eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
   JSEvents.eventHandlers.push(eventHandler);
   JSEvents.registerRemoveEventListeners();
  } else {
   for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
    if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
     JSEvents._removeHandler(i--);
    }
   }
  }
  return 0;
 },
 getNodeNameForTarget: function(target) {
  if (!target) return "";
  if (target == window) return "#window";
  if (target == screen) return "#screen";
  return target && target.nodeName ? target.nodeName : "";
 },
 fullscreenEnabled: function() {
  return document.fullscreenEnabled || document.webkitFullscreenEnabled;
 }
};

var currentFullscreenStrategy = {};

function maybeCStringToJsString(cString) {
 return cString > 2 ? UTF8ToString(cString) : cString;
}

var specialHTMLTargets = [ 0, document, window ];

function findEventTarget(target) {
 target = maybeCStringToJsString(target);
 var domElement = specialHTMLTargets[target] || document.querySelector(target);
 return domElement;
}

function findCanvasEventTarget(target) {
 return findEventTarget(target);
}

function _emscripten_get_canvas_element_size(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (!canvas) return -4;
 HEAP32[width >>> 2] = canvas.width;
 HEAP32[height >>> 2] = canvas.height;
}

function getCanvasElementSize(target) {
 return withStackSave(function() {
  var w = stackAlloc(8);
  var h = w + 4;
  var targetInt = stringToUTF8OnStack(target.id);
  var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
  var size = [ HEAP32[w >>> 2], HEAP32[h >>> 2] ];
  return size;
 });
}

function _emscripten_set_canvas_element_size(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (!canvas) return -4;
 canvas.width = width;
 canvas.height = height;
 return 0;
}

function setCanvasElementSize(target, width, height) {
 if (!target.controlTransferredOffscreen) {
  target.width = width;
  target.height = height;
 } else {
  withStackSave(function() {
   var targetInt = stringToUTF8OnStack(target.id);
   _emscripten_set_canvas_element_size(targetInt, width, height);
  });
 }
}

function registerRestoreOldStyle(canvas) {
 var canvasSize = getCanvasElementSize(canvas);
 var oldWidth = canvasSize[0];
 var oldHeight = canvasSize[1];
 var oldCssWidth = canvas.style.width;
 var oldCssHeight = canvas.style.height;
 var oldBackgroundColor = canvas.style.backgroundColor;
 var oldDocumentBackgroundColor = document.body.style.backgroundColor;
 var oldPaddingLeft = canvas.style.paddingLeft;
 var oldPaddingRight = canvas.style.paddingRight;
 var oldPaddingTop = canvas.style.paddingTop;
 var oldPaddingBottom = canvas.style.paddingBottom;
 var oldMarginLeft = canvas.style.marginLeft;
 var oldMarginRight = canvas.style.marginRight;
 var oldMarginTop = canvas.style.marginTop;
 var oldMarginBottom = canvas.style.marginBottom;
 var oldDocumentBodyMargin = document.body.style.margin;
 var oldDocumentOverflow = document.documentElement.style.overflow;
 var oldDocumentScroll = document.body.scroll;
 var oldImageRendering = canvas.style.imageRendering;
 function restoreOldStyle() {
  var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement;
  if (!fullscreenElement) {
   document.removeEventListener("fullscreenchange", restoreOldStyle);
   document.removeEventListener("webkitfullscreenchange", restoreOldStyle);
   setCanvasElementSize(canvas, oldWidth, oldHeight);
   canvas.style.width = oldCssWidth;
   canvas.style.height = oldCssHeight;
   canvas.style.backgroundColor = oldBackgroundColor;
   if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = "white";
   document.body.style.backgroundColor = oldDocumentBackgroundColor;
   canvas.style.paddingLeft = oldPaddingLeft;
   canvas.style.paddingRight = oldPaddingRight;
   canvas.style.paddingTop = oldPaddingTop;
   canvas.style.paddingBottom = oldPaddingBottom;
   canvas.style.marginLeft = oldMarginLeft;
   canvas.style.marginRight = oldMarginRight;
   canvas.style.marginTop = oldMarginTop;
   canvas.style.marginBottom = oldMarginBottom;
   document.body.style.margin = oldDocumentBodyMargin;
   document.documentElement.style.overflow = oldDocumentOverflow;
   document.body.scroll = oldDocumentScroll;
   canvas.style.imageRendering = oldImageRendering;
   if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
   if (currentFullscreenStrategy.canvasResizedCallback) {
    getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
   }
  }
 }
 document.addEventListener("fullscreenchange", restoreOldStyle);
 document.addEventListener("webkitfullscreenchange", restoreOldStyle);
 return restoreOldStyle;
}

function setLetterbox(element, topBottom, leftRight) {
 element.style.paddingLeft = element.style.paddingRight = leftRight + "px";
 element.style.paddingTop = element.style.paddingBottom = topBottom + "px";
}

function getBoundingClientRect(e) {
 return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {
  "left": 0,
  "top": 0
 };
}

function JSEvents_resizeCanvasForFullscreen(target, strategy) {
 var restoreOldStyle = registerRestoreOldStyle(target);
 var cssWidth = strategy.softFullscreen ? innerWidth : screen.width;
 var cssHeight = strategy.softFullscreen ? innerHeight : screen.height;
 var rect = getBoundingClientRect(target);
 var windowedCssWidth = rect.width;
 var windowedCssHeight = rect.height;
 var canvasSize = getCanvasElementSize(target);
 var windowedRttWidth = canvasSize[0];
 var windowedRttHeight = canvasSize[1];
 if (strategy.scaleMode == 3) {
  setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
  cssWidth = windowedCssWidth;
  cssHeight = windowedCssHeight;
 } else if (strategy.scaleMode == 2) {
  if (cssWidth * windowedRttHeight < windowedRttWidth * cssHeight) {
   var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth;
   setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
   cssHeight = desiredCssHeight;
  } else {
   var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight;
   setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
   cssWidth = desiredCssWidth;
  }
 }
 if (!target.style.backgroundColor) target.style.backgroundColor = "black";
 if (!document.body.style.backgroundColor) document.body.style.backgroundColor = "black";
 target.style.width = cssWidth + "px";
 target.style.height = cssHeight + "px";
 if (strategy.filteringMode == 1) {
  target.style.imageRendering = "optimizeSpeed";
  target.style.imageRendering = "-moz-crisp-edges";
  target.style.imageRendering = "-o-crisp-edges";
  target.style.imageRendering = "-webkit-optimize-contrast";
  target.style.imageRendering = "optimize-contrast";
  target.style.imageRendering = "crisp-edges";
  target.style.imageRendering = "pixelated";
 }
 var dpiScale = strategy.canvasResolutionScaleMode == 2 ? devicePixelRatio : 1;
 if (strategy.canvasResolutionScaleMode != 0) {
  var newWidth = cssWidth * dpiScale | 0;
  var newHeight = cssHeight * dpiScale | 0;
  setCanvasElementSize(target, newWidth, newHeight);
  if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight);
 }
 return restoreOldStyle;
}

function JSEvents_requestFullscreen(target, strategy) {
 if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) {
  JSEvents_resizeCanvasForFullscreen(target, strategy);
 }
 if (target.requestFullscreen) {
  target.requestFullscreen();
 } else if (target.webkitRequestFullscreen) {
  target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
 } else {
  return JSEvents.fullscreenEnabled() ? -3 : -1;
 }
 currentFullscreenStrategy = strategy;
 if (strategy.canvasResizedCallback) {
  getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
 }
 return 0;
}

function _emscripten_exit_fullscreen() {
 if (!JSEvents.fullscreenEnabled()) return -1;
 JSEvents.removeDeferredCalls(JSEvents_requestFullscreen);
 var d = specialHTMLTargets[1];
 if (d.exitFullscreen) {
  d.fullscreenElement && d.exitFullscreen();
 } else if (d.webkitExitFullscreen) {
  d.webkitFullscreenElement && d.webkitExitFullscreen();
 } else {
  return -1;
 }
 return 0;
}

function requestPointerLock(target) {
 if (target.requestPointerLock) {
  target.requestPointerLock();
 } else {
  if (document.body.requestPointerLock) {
   return -3;
  }
  return -1;
 }
 return 0;
}

function _emscripten_exit_pointerlock() {
 JSEvents.removeDeferredCalls(requestPointerLock);
 if (document.exitPointerLock) {
  document.exitPointerLock();
 } else {
  return -1;
 }
 return 0;
}

function fillFullscreenChangeEventData(eventStruct) {
 var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
 var isFullscreen = !!fullscreenElement;
 HEAP32[eventStruct >>> 2] = isFullscreen;
 HEAP32[eventStruct + 4 >>> 2] = JSEvents.fullscreenEnabled();
 var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
 var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
 var id = reportedElement && reportedElement.id ? reportedElement.id : "";
 stringToUTF8(nodeName, eventStruct + 8, 128);
 stringToUTF8(id, eventStruct + 136, 128);
 HEAP32[eventStruct + 264 >>> 2] = reportedElement ? reportedElement.clientWidth : 0;
 HEAP32[eventStruct + 268 >>> 2] = reportedElement ? reportedElement.clientHeight : 0;
 HEAP32[eventStruct + 272 >>> 2] = screen.width;
 HEAP32[eventStruct + 276 >>> 2] = screen.height;
 if (isFullscreen) {
  JSEvents.previousFullscreenElement = fullscreenElement;
 }
}

function _emscripten_get_fullscreen_status(fullscreenStatus) {
 if (!JSEvents.fullscreenEnabled()) return -1;
 fillFullscreenChangeEventData(fullscreenStatus);
 return 0;
}

function fillGamepadEventData(eventStruct, e) {
 HEAPF64[eventStruct >>> 3] = e.timestamp;
 for (var i = 0; i < e.axes.length; ++i) {
  HEAPF64[eventStruct + i * 8 + 16 >>> 3] = e.axes[i];
 }
 for (var i = 0; i < e.buttons.length; ++i) {
  if (typeof e.buttons[i] == "object") {
   HEAPF64[eventStruct + i * 8 + 528 >>> 3] = e.buttons[i].value;
  } else {
   HEAPF64[eventStruct + i * 8 + 528 >>> 3] = e.buttons[i];
  }
 }
 for (var i = 0; i < e.buttons.length; ++i) {
  if (typeof e.buttons[i] == "object") {
   HEAP32[eventStruct + i * 4 + 1040 >>> 2] = e.buttons[i].pressed;
  } else {
   HEAP32[eventStruct + i * 4 + 1040 >>> 2] = e.buttons[i] == 1;
  }
 }
 HEAP32[eventStruct + 1296 >>> 2] = e.connected;
 HEAP32[eventStruct + 1300 >>> 2] = e.index;
 HEAP32[eventStruct + 8 >>> 2] = e.axes.length;
 HEAP32[eventStruct + 12 >>> 2] = e.buttons.length;
 stringToUTF8(e.id, eventStruct + 1304, 64);
 stringToUTF8(e.mapping, eventStruct + 1368, 64);
}

function _emscripten_get_gamepad_status(index, gamepadState) {
 if (!JSEvents.lastGamepadState) throw "emscripten_get_gamepad_status() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!";
 if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
 if (!JSEvents.lastGamepadState[index]) return -7;
 fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
 return 0;
}

function getHeapMax() {
 return 4278190080;
}

function _emscripten_get_heap_max() {
 return getHeapMax();
}

function _emscripten_get_now_res() {
 return 1e3;
}

function _emscripten_get_num_gamepads() {
 if (!JSEvents.lastGamepadState) throw "emscripten_get_num_gamepads() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!";
 return JSEvents.lastGamepadState.length;
}

function _emscripten_html5_remove_all_event_listeners() {
 JSEvents.removeAllEventListeners();
}

function webgl_enable_ANGLE_instanced_arrays(ctx) {
 var ext = ctx.getExtension("ANGLE_instanced_arrays");
 if (ext) {
  ctx["vertexAttribDivisor"] = function(index, divisor) {
   ext["vertexAttribDivisorANGLE"](index, divisor);
  };
  ctx["drawArraysInstanced"] = function(mode, first, count, primcount) {
   ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
  };
  ctx["drawElementsInstanced"] = function(mode, count, type, indices, primcount) {
   ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
  };
  return 1;
 }
}

function webgl_enable_OES_vertex_array_object(ctx) {
 var ext = ctx.getExtension("OES_vertex_array_object");
 if (ext) {
  ctx["createVertexArray"] = function() {
   return ext["createVertexArrayOES"]();
  };
  ctx["deleteVertexArray"] = function(vao) {
   ext["deleteVertexArrayOES"](vao);
  };
  ctx["bindVertexArray"] = function(vao) {
   ext["bindVertexArrayOES"](vao);
  };
  ctx["isVertexArray"] = function(vao) {
   return ext["isVertexArrayOES"](vao);
  };
  return 1;
 }
}

function webgl_enable_WEBGL_draw_buffers(ctx) {
 var ext = ctx.getExtension("WEBGL_draw_buffers");
 if (ext) {
  ctx["drawBuffers"] = function(n, bufs) {
   ext["drawBuffersWEBGL"](n, bufs);
  };
  return 1;
 }
}

function webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
}

function webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
}

function webgl_enable_WEBGL_multi_draw(ctx) {
 return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
}

var GL = {
 counter: 1,
 buffers: [],
 mappedBuffers: {},
 programs: [],
 framebuffers: [],
 renderbuffers: [],
 textures: [],
 shaders: [],
 vaos: [],
 contexts: [],
 offscreenCanvases: {},
 queries: [],
 samplers: [],
 transformFeedbacks: [],
 syncs: [],
 byteSizeByTypeRoot: 5120,
 byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
 stringCache: {},
 stringiCache: {},
 unpackAlignment: 4,
 recordError: function recordError(errorCode) {
  if (!GL.lastError) {
   GL.lastError = errorCode;
  }
 },
 getNewId: function(table) {
  var ret = GL.counter++;
  for (var i = table.length; i < ret; i++) {
   table[i] = null;
  }
  return ret;
 },
 MAX_TEMP_BUFFER_SIZE: 2097152,
 numTempVertexBuffersPerSize: 64,
 log2ceilLookup: function(i) {
  return 32 - Math.clz32(i === 0 ? 0 : i - 1);
 },
 generateTempBuffers: function(quads, context) {
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  context.tempVertexBufferCounters1 = [];
  context.tempVertexBufferCounters2 = [];
  context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
  context.tempVertexBuffers1 = [];
  context.tempVertexBuffers2 = [];
  context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
  context.tempIndexBuffers = [];
  context.tempIndexBuffers.length = largestIndex + 1;
  for (var i = 0; i <= largestIndex; ++i) {
   context.tempIndexBuffers[i] = null;
   context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
   var ringbufferLength = GL.numTempVertexBuffersPerSize;
   context.tempVertexBuffers1[i] = [];
   context.tempVertexBuffers2[i] = [];
   var ringbuffer1 = context.tempVertexBuffers1[i];
   var ringbuffer2 = context.tempVertexBuffers2[i];
   ringbuffer1.length = ringbuffer2.length = ringbufferLength;
   for (var j = 0; j < ringbufferLength; ++j) {
    ringbuffer1[j] = ringbuffer2[j] = null;
   }
  }
  if (quads) {
   context.tempQuadIndexBuffer = GLctx.createBuffer();
   context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
   var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
   var quadIndexes = new Uint16Array(numIndexes);
   var i = 0, v = 0;
   while (1) {
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 1;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 3;
    if (i >= numIndexes) break;
    v += 4;
   }
   context.GLctx.bufferData(34963, quadIndexes, 35044);
   context.GLctx.bindBuffer(34963, null);
  }
 },
 getTempVertexBuffer: function getTempVertexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
  var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
  GL.currentContext.tempVertexBufferCounters1[idx] = GL.currentContext.tempVertexBufferCounters1[idx] + 1 & GL.numTempVertexBuffersPerSize - 1;
  var vbo = ringbuffer[nextFreeBufferIndex];
  if (vbo) {
   return vbo;
  }
  var prevVBO = GLctx.getParameter(34964);
  ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
  GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
  GLctx.bufferData(34962, 1 << idx, 35048);
  GLctx.bindBuffer(34962, prevVBO);
  return ringbuffer[nextFreeBufferIndex];
 },
 getTempIndexBuffer: function getTempIndexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ibo = GL.currentContext.tempIndexBuffers[idx];
  if (ibo) {
   return ibo;
  }
  var prevIBO = GLctx.getParameter(34965);
  GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
  GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
  GLctx.bufferData(34963, 1 << idx, 35048);
  GLctx.bindBuffer(34963, prevIBO);
  return GL.currentContext.tempIndexBuffers[idx];
 },
 newRenderingFrameStarted: function newRenderingFrameStarted() {
  if (!GL.currentContext) {
   return;
  }
  var vb = GL.currentContext.tempVertexBuffers1;
  GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
  GL.currentContext.tempVertexBuffers2 = vb;
  vb = GL.currentContext.tempVertexBufferCounters1;
  GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
  GL.currentContext.tempVertexBufferCounters2 = vb;
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  for (var i = 0; i <= largestIndex; ++i) {
   GL.currentContext.tempVertexBufferCounters1[i] = 0;
  }
 },
 getSource: function(shader, count, string, length) {
  var source = "";
  for (var i = 0; i < count; ++i) {
   var len = length ? HEAP32[length + i * 4 >>> 2] : -1;
   source += UTF8ToString(HEAP32[string + i * 4 >>> 2], len < 0 ? undefined : len);
  }
  return source;
 },
 calcBufLength: function calcBufLength(size, type, stride, count) {
  if (stride > 0) {
   return count * stride;
  }
  var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
  return size * typeSize * count;
 },
 usedTempBuffers: [],
 preDrawHandleClientVertexAttribBindings: function preDrawHandleClientVertexAttribBindings(count) {
  GL.resetBufferBinding = false;
  for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
   var cb = GL.currentContext.clientBuffers[i];
   if (!cb.clientside || !cb.enabled) continue;
   GL.resetBufferBinding = true;
   var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
   var buf = GL.getTempVertexBuffer(size);
   GLctx.bindBuffer(34962, buf);
   GLctx.bufferSubData(34962, 0, HEAPU8.subarray(cb.ptr >>> 0, cb.ptr + size >>> 0));
   cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
  }
 },
 postDrawHandleClientVertexAttribBindings: function postDrawHandleClientVertexAttribBindings() {
  if (GL.resetBufferBinding) {
   GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
  }
 },
 createContext: function(canvas, webGLContextAttributes) {
  if (!canvas.getContextSafariWebGL2Fixed) {
   canvas.getContextSafariWebGL2Fixed = canvas.getContext;
   function fixedGetContext(ver, attrs) {
    var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
    return ver == "webgl" == gl instanceof WebGLRenderingContext ? gl : null;
   }
   canvas.getContext = fixedGetContext;
  }
  var ctx = webGLContextAttributes.majorVersion > 1 ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
  if (!ctx) return 0;
  var handle = GL.registerContext(ctx, webGLContextAttributes);
  return handle;
 },
 registerContext: function(ctx, webGLContextAttributes) {
  var handle = GL.getNewId(GL.contexts);
  var context = {
   handle: handle,
   attributes: webGLContextAttributes,
   version: webGLContextAttributes.majorVersion,
   GLctx: ctx
  };
  if (ctx.canvas) ctx.canvas.GLctxObject = context;
  GL.contexts[handle] = context;
  if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
   GL.initExtensions(context);
  }
  context.maxVertexAttribs = context.GLctx.getParameter(34921);
  context.clientBuffers = [];
  for (var i = 0; i < context.maxVertexAttribs; i++) {
   context.clientBuffers[i] = {
    enabled: false,
    clientside: false,
    size: 0,
    type: 0,
    normalized: 0,
    stride: 0,
    ptr: 0,
    vertexAttribPointerAdaptor: null
   };
  }
  GL.generateTempBuffers(false, context);
  return handle;
 },
 makeContextCurrent: function(contextHandle) {
  GL.currentContext = GL.contexts[contextHandle];
  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
  return !(contextHandle && !GLctx);
 },
 getContext: function(contextHandle) {
  return GL.contexts[contextHandle];
 },
 deleteContext: function(contextHandle) {
  if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
  if (typeof JSEvents == "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
  if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
  GL.contexts[contextHandle] = null;
 },
 initExtensions: function(context) {
  if (!context) context = GL.currentContext;
  if (context.initExtensionsDone) return;
  context.initExtensionsDone = true;
  var GLctx = context.GLctx;
  webgl_enable_ANGLE_instanced_arrays(GLctx);
  webgl_enable_OES_vertex_array_object(GLctx);
  webgl_enable_WEBGL_draw_buffers(GLctx);
  webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
  webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
  if (context.version >= 2) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
  }
  if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
  }
  webgl_enable_WEBGL_multi_draw(GLctx);
  var exts = GLctx.getSupportedExtensions() || [];
  exts.forEach(function(ext) {
   if (!ext.includes("lose_context") && !ext.includes("debug")) {
    GLctx.getExtension(ext);
   }
  });
 }
};

function _emscripten_is_webgl_context_lost(contextHandle) {
 return !GL.contexts[contextHandle] || GL.contexts[contextHandle].GLctx.isContextLost();
}

function reallyNegative(x) {
 return x < 0 || x === 0 && 1 / x === -Infinity;
}

function convertI32PairToI53(lo, hi) {
 assert(hi === (hi | 0));
 return (lo >>> 0) + hi * 4294967296;
}

function convertU32PairToI53(lo, hi) {
 return (lo >>> 0) + (hi >>> 0) * 4294967296;
}

function reSign(value, bits) {
 if (value <= 0) {
  return value;
 }
 var half = bits <= 32 ? Math.abs(1 << bits - 1) : Math.pow(2, bits - 1);
 if (value >= half && (bits <= 32 || value > half)) {
  value = -2 * half + value;
 }
 return value;
}

function unSign(value, bits) {
 if (value >= 0) {
  return value;
 }
 return bits <= 32 ? 2 * Math.abs(1 << bits - 1) + value : Math.pow(2, bits) + value;
}

function strLen(ptr) {
 var end = ptr;
 while (HEAPU8[end >>> 0]) ++end;
 return end - ptr;
}

function formatString(format, varargs) {
 assert((varargs & 3) === 0);
 var textIndex = format;
 var argIndex = varargs;
 function prepVararg(ptr, type) {
  if (type === "double" || type === "i64") {
   if (ptr & 7) {
    assert((ptr & 7) === 4);
    ptr += 4;
   }
  } else {
   assert((ptr & 3) === 0);
  }
  return ptr;
 }
 function getNextArg(type) {
  var ret;
  argIndex = prepVararg(argIndex, type);
  if (type === "double") {
   ret = HEAPF64[argIndex >>> 3];
   argIndex += 8;
  } else if (type == "i64") {
   ret = [ HEAP32[argIndex >>> 2], HEAP32[argIndex + 4 >>> 2] ];
   argIndex += 8;
  } else {
   assert((argIndex & 3) === 0);
   type = "i32";
   ret = HEAP32[argIndex >>> 2];
   argIndex += 4;
  }
  return ret;
 }
 var ret = [];
 var curr, next, currArg;
 while (1) {
  var startTextIndex = textIndex;
  curr = HEAP8[textIndex >>> 0];
  if (curr === 0) break;
  next = HEAP8[textIndex + 1 >>> 0];
  if (curr == 37) {
   var flagAlwaysSigned = false;
   var flagLeftAlign = false;
   var flagAlternative = false;
   var flagZeroPad = false;
   var flagPadSign = false;
   flagsLoop: while (1) {
    switch (next) {
    case 43:
     flagAlwaysSigned = true;
     break;

    case 45:
     flagLeftAlign = true;
     break;

    case 35:
     flagAlternative = true;
     break;

    case 48:
     if (flagZeroPad) {
      break flagsLoop;
     } else {
      flagZeroPad = true;
      break;
     }

    case 32:
     flagPadSign = true;
     break;

    default:
     break flagsLoop;
    }
    textIndex++;
    next = HEAP8[textIndex + 1 >>> 0];
   }
   var width = 0;
   if (next == 42) {
    width = getNextArg("i32");
    textIndex++;
    next = HEAP8[textIndex + 1 >>> 0];
   } else {
    while (next >= 48 && next <= 57) {
     width = width * 10 + (next - 48);
     textIndex++;
     next = HEAP8[textIndex + 1 >>> 0];
    }
   }
   var precisionSet = false, precision = -1;
   if (next == 46) {
    precision = 0;
    precisionSet = true;
    textIndex++;
    next = HEAP8[textIndex + 1 >>> 0];
    if (next == 42) {
     precision = getNextArg("i32");
     textIndex++;
    } else {
     while (1) {
      var precisionChr = HEAP8[textIndex + 1 >>> 0];
      if (precisionChr < 48 || precisionChr > 57) break;
      precision = precision * 10 + (precisionChr - 48);
      textIndex++;
     }
    }
    next = HEAP8[textIndex + 1 >>> 0];
   }
   if (precision < 0) {
    precision = 6;
    precisionSet = false;
   }
   var argSize;
   switch (String.fromCharCode(next)) {
   case "h":
    var nextNext = HEAP8[textIndex + 2 >>> 0];
    if (nextNext == 104) {
     textIndex++;
     argSize = 1;
    } else {
     argSize = 2;
    }
    break;

   case "l":
    var nextNext = HEAP8[textIndex + 2 >>> 0];
    if (nextNext == 108) {
     textIndex++;
     argSize = 8;
    } else {
     argSize = 4;
    }
    break;

   case "L":
   case "q":
   case "j":
    argSize = 8;
    break;

   case "z":
   case "t":
   case "I":
    argSize = 4;
    break;

   default:
    argSize = null;
   }
   if (argSize) textIndex++;
   next = HEAP8[textIndex + 1 >>> 0];
   switch (String.fromCharCode(next)) {
   case "d":
   case "i":
   case "u":
   case "o":
   case "x":
   case "X":
   case "p":
    {
     var signed = next == 100 || next == 105;
     argSize = argSize || 4;
     currArg = getNextArg("i" + argSize * 8);
     var argText;
     if (argSize == 8) {
      currArg = next == 117 ? convertU32PairToI53(currArg[0], currArg[1]) : convertI32PairToI53(currArg[0], currArg[1]);
     }
     if (argSize <= 4) {
      var limit = Math.pow(256, argSize) - 1;
      currArg = (signed ? reSign : unSign)(currArg & limit, argSize * 8);
     }
     var currAbsArg = Math.abs(currArg);
     var prefix = "";
     if (next == 100 || next == 105) {
      argText = reSign(currArg, 8 * argSize).toString(10);
     } else if (next == 117) {
      argText = unSign(currArg, 8 * argSize).toString(10);
      currArg = Math.abs(currArg);
     } else if (next == 111) {
      argText = (flagAlternative ? "0" : "") + currAbsArg.toString(8);
     } else if (next == 120 || next == 88) {
      prefix = flagAlternative && currArg != 0 ? "0x" : "";
      if (currArg < 0) {
       currArg = -currArg;
       argText = (currAbsArg - 1).toString(16);
       var buffer = [];
       for (var i = 0; i < argText.length; i++) {
        buffer.push((15 - parseInt(argText[i], 16)).toString(16));
       }
       argText = buffer.join("");
       while (argText.length < argSize * 2) argText = "f" + argText;
      } else {
       argText = currAbsArg.toString(16);
      }
      if (next == 88) {
       prefix = prefix.toUpperCase();
       argText = argText.toUpperCase();
      }
     } else if (next == 112) {
      if (currAbsArg === 0) {
       argText = "(nil)";
      } else {
       prefix = "0x";
       argText = currAbsArg.toString(16);
      }
     }
     if (precisionSet) {
      while (argText.length < precision) {
       argText = "0" + argText;
      }
     }
     if (currArg >= 0) {
      if (flagAlwaysSigned) {
       prefix = "+" + prefix;
      } else if (flagPadSign) {
       prefix = " " + prefix;
      }
     }
     if (argText.charAt(0) == "-") {
      prefix = "-" + prefix;
      argText = argText.substr(1);
     }
     while (prefix.length + argText.length < width) {
      if (flagLeftAlign) {
       argText += " ";
      } else {
       if (flagZeroPad) {
        argText = "0" + argText;
       } else {
        prefix = " " + prefix;
       }
      }
     }
     argText = prefix + argText;
     argText.split("").forEach(function(chr) {
      ret.push(chr.charCodeAt(0));
     });
     break;
    }

   case "f":
   case "F":
   case "e":
   case "E":
   case "g":
   case "G":
    {
     currArg = getNextArg("double");
     var argText;
     if (isNaN(currArg)) {
      argText = "nan";
      flagZeroPad = false;
     } else if (!isFinite(currArg)) {
      argText = (currArg < 0 ? "-" : "") + "inf";
      flagZeroPad = false;
     } else {
      var isGeneral = false;
      var effectivePrecision = Math.min(precision, 20);
      if (next == 103 || next == 71) {
       isGeneral = true;
       precision = precision || 1;
       var exponent = parseInt(currArg.toExponential(effectivePrecision).split("e")[1], 10);
       if (precision > exponent && exponent >= -4) {
        next = (next == 103 ? "f" : "F").charCodeAt(0);
        precision -= exponent + 1;
       } else {
        next = (next == 103 ? "e" : "E").charCodeAt(0);
        precision--;
       }
       effectivePrecision = Math.min(precision, 20);
      }
      if (next == 101 || next == 69) {
       argText = currArg.toExponential(effectivePrecision);
       if (/[eE][-+]\d$/.test(argText)) {
        argText = argText.slice(0, -1) + "0" + argText.slice(-1);
       }
      } else if (next == 102 || next == 70) {
       argText = currArg.toFixed(effectivePrecision);
       if (currArg === 0 && reallyNegative(currArg)) {
        argText = "-" + argText;
       }
      }
      var parts = argText.split("e");
      if (isGeneral && !flagAlternative) {
       while (parts[0].length > 1 && parts[0].includes(".") && (parts[0].slice(-1) == "0" || parts[0].slice(-1) == ".")) {
        parts[0] = parts[0].slice(0, -1);
       }
      } else {
       if (flagAlternative && argText.indexOf(".") == -1) parts[0] += ".";
       while (precision > effectivePrecision++) parts[0] += "0";
      }
      argText = parts[0] + (parts.length > 1 ? "e" + parts[1] : "");
      if (next == 69) argText = argText.toUpperCase();
      if (currArg >= 0) {
       if (flagAlwaysSigned) {
        argText = "+" + argText;
       } else if (flagPadSign) {
        argText = " " + argText;
       }
      }
     }
     while (argText.length < width) {
      if (flagLeftAlign) {
       argText += " ";
      } else {
       if (flagZeroPad && (argText[0] == "-" || argText[0] == "+")) {
        argText = argText[0] + "0" + argText.slice(1);
       } else {
        argText = (flagZeroPad ? "0" : " ") + argText;
       }
      }
     }
     if (next < 97) argText = argText.toUpperCase();
     argText.split("").forEach(function(chr) {
      ret.push(chr.charCodeAt(0));
     });
     break;
    }

   case "s":
    {
     var arg = getNextArg("i8*");
     var argLength = arg ? strLen(arg) : "(null)".length;
     if (precisionSet) argLength = Math.min(argLength, precision);
     if (!flagLeftAlign) {
      while (argLength < width--) {
       ret.push(32);
      }
     }
     if (arg) {
      for (var i = 0; i < argLength; i++) {
       ret.push(HEAPU8[arg++ >>> 0]);
      }
     } else {
      ret = ret.concat(intArrayFromString("(null)".substr(0, argLength), true));
     }
     if (flagLeftAlign) {
      while (argLength < width--) {
       ret.push(32);
      }
     }
     break;
    }

   case "c":
    {
     if (flagLeftAlign) ret.push(getNextArg("i8"));
     while (--width > 0) {
      ret.push(32);
     }
     if (!flagLeftAlign) ret.push(getNextArg("i8"));
     break;
    }

   case "n":
    {
     var ptr = getNextArg("i32*");
     HEAP32[ptr >>> 2] = ret.length;
     break;
    }

   case "%":
    {
     ret.push(curr);
     break;
    }

   default:
    {
     for (var i = startTextIndex; i < textIndex + 2; i++) {
      ret.push(HEAP8[i >>> 0]);
     }
    }
   }
   textIndex += 2;
  } else {
   ret.push(curr);
   textIndex += 1;
  }
 }
 return ret;
}

function traverseStack(args) {
 if (!args || !args.callee || !args.callee.name) {
  return [ null, "", "" ];
 }
 var funstr = args.callee.toString();
 var funcname = args.callee.name;
 var str = "(";
 var first = true;
 for (var i in args) {
  var a = args[i];
  if (!first) {
   str += ", ";
  }
  first = false;
  if (typeof a == "number" || typeof a == "string") {
   str += a;
  } else {
   str += "(" + typeof a + ")";
  }
 }
 str += ")";
 var caller = args.callee.caller;
 args = caller ? caller.arguments : [];
 if (first) str = "";
 return [ args, funcname, str ];
}

function getCallstack(flags) {
 var callstack = jsStackTrace();
 var iThisFunc = callstack.lastIndexOf("_emscripten_log");
 var iThisFunc2 = callstack.lastIndexOf("_emscripten_get_callstack");
 var iNextLine = callstack.indexOf("\n", Math.max(iThisFunc, iThisFunc2)) + 1;
 callstack = callstack.slice(iNextLine);
 if (flags & 32) {
  warnOnce("EM_LOG_DEMANGLE is deprecated; ignoring");
 }
 if (flags & 8 && typeof emscripten_source_map == "undefined") {
  warnOnce('Source map information is not available, emscripten_log with EM_LOG_C_STACK will be ignored. Build with "--pre-js $EMSCRIPTEN/src/emscripten-source-map.min.js" linker flag to add source map loading to code.');
  flags ^= 8;
  flags |= 16;
 }
 var stack_args = null;
 if (flags & 128) {
  stack_args = traverseStack(arguments);
  while (stack_args[1].includes("_emscripten_")) stack_args = traverseStack(stack_args[0]);
 }
 var lines = callstack.split("\n");
 callstack = "";
 var newFirefoxRe = new RegExp("\\s*(.*?)@(.*?):([0-9]+):([0-9]+)");
 var firefoxRe = new RegExp("\\s*(.*?)@(.*):(.*)(:(.*))?");
 var chromeRe = new RegExp("\\s*at (.*?) \\((.*):(.*):(.*)\\)");
 for (var l in lines) {
  var line = lines[l];
  var symbolName = "";
  var file = "";
  var lineno = 0;
  var column = 0;
  var parts = chromeRe.exec(line);
  if (parts && parts.length == 5) {
   symbolName = parts[1];
   file = parts[2];
   lineno = parts[3];
   column = parts[4];
  } else {
   parts = newFirefoxRe.exec(line);
   if (!parts) parts = firefoxRe.exec(line);
   if (parts && parts.length >= 4) {
    symbolName = parts[1];
    file = parts[2];
    lineno = parts[3];
    column = parts[4] | 0;
   } else {
    callstack += line + "\n";
    continue;
   }
  }
  var haveSourceMap = false;
  if (flags & 8) {
   var orig = emscripten_source_map.originalPositionFor({
    line: lineno,
    column: column
   });
   haveSourceMap = orig && orig.source;
   if (haveSourceMap) {
    if (flags & 64) {
     orig.source = orig.source.substring(orig.source.replace(/\\/g, "/").lastIndexOf("/") + 1);
    }
    callstack += `    at ${symbolName} (${orig.source}:${orig.line}:${orig.column})\n`;
   }
  }
  if (flags & 16 || !haveSourceMap) {
   if (flags & 64) {
    file = file.substring(file.replace(/\\/g, "/").lastIndexOf("/") + 1);
   }
   callstack += (haveSourceMap ? `     = ${symbolName}` : `    at ${symbolName}`) + ` (${file}:${lineno}:${column})\n`;
  }
  if (flags & 128 && stack_args[0]) {
   if (stack_args[1] == symbolName && stack_args[2].length > 0) {
    callstack = callstack.replace(/\s+$/, "");
    callstack += " with values: " + stack_args[1] + stack_args[2] + "\n";
   }
   stack_args = traverseStack(stack_args[0]);
  }
 }
 callstack = callstack.replace(/\s+$/, "");
 return callstack;
}

function emscriptenLog(flags, str) {
 if (flags & 24) {
  str = str.replace(/\s+$/, "");
  str += (str.length > 0 ? "\n" : "") + getCallstack(flags);
 }
 if (flags & 1) {
  if (flags & 4) {
   console.error(str);
  } else if (flags & 2) {
   console.warn(str);
  } else if (flags & 512) {
   console.info(str);
  } else if (flags & 256) {
   console.debug(str);
  } else {
   console.log(str);
  }
 } else if (flags & 6) {
  err(str);
 } else {
  out(str);
 }
}

function _emscripten_log(flags, format, varargs) {
 var result = formatString(format, varargs);
 var str = UTF8ArrayToString(result, 0);
 emscriptenLog(flags, str);
}

function doRequestFullscreen(target, strategy) {
 if (!JSEvents.fullscreenEnabled()) return -1;
 target = findEventTarget(target);
 if (!target) return -4;
 if (!target.requestFullscreen && !target.webkitRequestFullscreen) {
  return -3;
 }
 var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
 if (!canPerformRequests) {
  if (strategy.deferUntilInEventHandler) {
   JSEvents.deferCall(JSEvents_requestFullscreen, 1, [ target, strategy ]);
   return 1;
  }
  return -2;
 }
 return JSEvents_requestFullscreen(target, strategy);
}

function _emscripten_request_fullscreen(target, deferUntilInEventHandler) {
 var strategy = {
  scaleMode: 0,
  canvasResolutionScaleMode: 0,
  filteringMode: 0,
  deferUntilInEventHandler: deferUntilInEventHandler,
  canvasResizedCallbackTargetThread: 2
 };
 return doRequestFullscreen(target, strategy);
}

function _emscripten_request_pointerlock(target, deferUntilInEventHandler) {
 target = findEventTarget(target);
 if (!target) return -4;
 if (!target.requestPointerLock) {
  return -1;
 }
 var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
 if (!canPerformRequests) {
  if (deferUntilInEventHandler) {
   JSEvents.deferCall(requestPointerLock, 2, [ target ]);
   return 1;
  }
  return -2;
 }
 return requestPointerLock(target);
}

function abortOnCannotGrowMemory(requestedSize) {
 abort(`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). If you want malloc to return NULL (0) instead of this abort, do not link with -sABORTING_MALLOC (that is, the default when growth is enabled is to not abort, but you have overridden that)`);
}

function emscripten_realloc_buffer(size) {
 var b = wasmMemory.buffer;
 try {
  wasmMemory.grow(size - b.byteLength + 65535 >>> 16);
  updateMemoryViews();
  return 1;
 } catch (e) {
  err(`emscripten_realloc_buffer: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
 }
}

function _emscripten_resize_heap(requestedSize) {
 var oldSize = HEAPU8.length;
 requestedSize = requestedSize >>> 0;
 assert(requestedSize > oldSize);
 var maxHeapSize = getHeapMax();
 if (requestedSize > maxHeapSize) {
  err(`Cannot enlarge memory, asked to go up to ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
  abortOnCannotGrowMemory(requestedSize);
 }
 var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
 for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
  var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
  overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
  var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
  var replacement = emscripten_realloc_buffer(newSize);
  if (replacement) {
   return true;
  }
 }
 err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
 abortOnCannotGrowMemory(requestedSize);
}

function _emscripten_sample_gamepad_data() {
 try {
  if (navigator.getGamepads) return (JSEvents.lastGamepadState = navigator.getGamepads()) ? 0 : -1;
 } catch (e) {
  err(`navigator.getGamepads() exists, but failed to execute with exception ${e}. Disabling Gamepad access.`);
  navigator.getGamepads = null;
 }
 return -1;
}

function registerFocusEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc(256);
 var focusEventHandlerFunc = function(e = event) {
  var nodeName = JSEvents.getNodeNameForTarget(e.target);
  var id = e.target.id ? e.target.id : "";
  var focusEvent = JSEvents.focusEvent;
  stringToUTF8(nodeName, focusEvent + 0, 128);
  stringToUTF8(id, focusEvent + 128, 128);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, focusEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: focusEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
}

function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
}

function registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc(280);
 var fullscreenChangeEventhandlerFunc = function(e = event) {
  var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
  fillFullscreenChangeEventData(fullscreenChangeEvent);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: fullscreenChangeEventhandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (!JSEvents.fullscreenEnabled()) return -1;
 target = findEventTarget(target);
 if (!target) return -4;
 registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
 return registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
}

function registerGamepadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc(1432);
 var gamepadEventHandlerFunc = function(e = event) {
  var gamepadEvent = JSEvents.gamepadEvent;
  fillGamepadEventData(gamepadEvent, e["gamepad"]);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, gamepadEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: gamepadEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
 if (_emscripten_sample_gamepad_data()) return -1;
 return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
}

function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
 if (_emscripten_sample_gamepad_data()) return -1;
 return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
}

function _emscripten_set_interval(cb, msecs, userData) {
 return setInterval(function() {
  callUserCallback(function() {
   getWasmTableEntry(cb)(userData);
  });
 }, msecs);
}

function registerKeyEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc(176);
 var keyEventHandlerFunc = function(e) {
  assert(e);
  var keyEventData = JSEvents.keyEvent;
  keyEventData = keyEventData >>> 0;
  HEAPF64[keyEventData >>> 3] = e.timeStamp;
  var idx = keyEventData >> 2;
  HEAP32[idx + 2 >>> 0] = e.location;
  HEAP32[idx + 3 >>> 0] = e.ctrlKey;
  HEAP32[idx + 4 >>> 0] = e.shiftKey;
  HEAP32[idx + 5 >>> 0] = e.altKey;
  HEAP32[idx + 6 >>> 0] = e.metaKey;
  HEAP32[idx + 7 >>> 0] = e.repeat;
  HEAP32[idx + 8 >>> 0] = e.charCode;
  HEAP32[idx + 9 >>> 0] = e.keyCode;
  HEAP32[idx + 10 >>> 0] = e.which;
  stringToUTF8(e.key || "", keyEventData + 44, 32);
  stringToUTF8(e.code || "", keyEventData + 76, 32);
  stringToUTF8(e.char || "", keyEventData + 108, 32);
  stringToUTF8(e.locale || "", keyEventData + 140, 32);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: keyEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
}

function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
}

function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
}

function fillMouseEventData(eventStruct, e, target) {
 assert(eventStruct % 4 == 0);
 HEAPF64[eventStruct >>> 3] = e.timeStamp;
 var idx = eventStruct >> 2;
 HEAP32[idx + 2 >>> 0] = e.screenX;
 HEAP32[idx + 3 >>> 0] = e.screenY;
 HEAP32[idx + 4 >>> 0] = e.clientX;
 HEAP32[idx + 5 >>> 0] = e.clientY;
 HEAP32[idx + 6 >>> 0] = e.ctrlKey;
 HEAP32[idx + 7 >>> 0] = e.shiftKey;
 HEAP32[idx + 8 >>> 0] = e.altKey;
 HEAP32[idx + 9 >>> 0] = e.metaKey;
 HEAP16[idx * 2 + 20 >>> 0] = e.button;
 HEAP16[idx * 2 + 21 >>> 0] = e.buttons;
 HEAP32[idx + 11 >>> 0] = e["movementX"];
 HEAP32[idx + 12 >>> 0] = e["movementY"];
 var rect = getBoundingClientRect(target);
 HEAP32[idx + 13 >>> 0] = e.clientX - rect.left;
 HEAP32[idx + 14 >>> 0] = e.clientY - rect.top;
}

function registerMouseEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc(72);
 target = findEventTarget(target);
 var mouseEventHandlerFunc = function(e = event) {
  fillMouseEventData(JSEvents.mouseEvent, e, target);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: eventTypeString != "mousemove" && eventTypeString != "mouseenter" && eventTypeString != "mouseleave",
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: mouseEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
}

function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
}

function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
}

function fillPointerlockChangeEventData(eventStruct) {
 var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement;
 var isPointerlocked = !!pointerLockElement;
 HEAP32[eventStruct >>> 2] = isPointerlocked;
 var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
 var id = pointerLockElement && pointerLockElement.id ? pointerLockElement.id : "";
 stringToUTF8(nodeName, eventStruct + 4, 128);
 stringToUTF8(id, eventStruct + 132, 128);
}

function registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc(260);
 var pointerlockChangeEventHandlerFunc = function(e = event) {
  var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
  fillPointerlockChangeEventData(pointerlockChangeEvent);
  if (getWasmTableEntry(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: pointerlockChangeEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (!document || !document.body || !document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock) {
  return -1;
 }
 target = findEventTarget(target);
 if (!target) return -4;
 registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread);
 registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread);
 registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread);
 return registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
}

function registerTouchEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc(1696);
 target = findEventTarget(target);
 var touchEventHandlerFunc = function(e) {
  assert(e);
  var t, touches = {}, et = e.touches;
  for (var i = 0; i < et.length; ++i) {
   t = et[i];
   t.isChanged = t.onTarget = 0;
   touches[t.identifier] = t;
  }
  for (var i = 0; i < e.changedTouches.length; ++i) {
   t = e.changedTouches[i];
   t.isChanged = 1;
   touches[t.identifier] = t;
  }
  for (var i = 0; i < e.targetTouches.length; ++i) {
   touches[e.targetTouches[i].identifier].onTarget = 1;
  }
  var touchEvent = JSEvents.touchEvent;
  HEAPF64[touchEvent >>> 3] = e.timeStamp;
  var idx = touchEvent >> 2;
  HEAP32[idx + 3 >>> 0] = e.ctrlKey;
  HEAP32[idx + 4 >>> 0] = e.shiftKey;
  HEAP32[idx + 5 >>> 0] = e.altKey;
  HEAP32[idx + 6 >>> 0] = e.metaKey;
  idx += 7;
  var targetRect = getBoundingClientRect(target);
  var numTouches = 0;
  for (var i in touches) {
   t = touches[i];
   HEAP32[idx + 0 >>> 0] = t.identifier;
   HEAP32[idx + 1 >>> 0] = t.screenX;
   HEAP32[idx + 2 >>> 0] = t.screenY;
   HEAP32[idx + 3 >>> 0] = t.clientX;
   HEAP32[idx + 4 >>> 0] = t.clientY;
   HEAP32[idx + 5 >>> 0] = t.pageX;
   HEAP32[idx + 6 >>> 0] = t.pageY;
   HEAP32[idx + 7 >>> 0] = t.isChanged;
   HEAP32[idx + 8 >>> 0] = t.onTarget;
   HEAP32[idx + 9 >>> 0] = t.clientX - targetRect.left;
   HEAP32[idx + 10 >>> 0] = t.clientY - targetRect.top;
   idx += 13;
   if (++numTouches > 31) {
    break;
   }
  }
  HEAP32[touchEvent + 8 >>> 2] = numTouches;
  if (getWasmTableEntry(callbackfunc)(eventTypeId, touchEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: eventTypeString == "touchstart" || eventTypeString == "touchend",
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: touchEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
}

function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
}

function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
}

function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
}

function registerWheelEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc(104);
 var wheelHandlerFunc = function(e = event) {
  var wheelEvent = JSEvents.wheelEvent;
  fillMouseEventData(wheelEvent, e, target);
  HEAPF64[wheelEvent + 72 >>> 3] = e["deltaX"];
  HEAPF64[wheelEvent + 80 >>> 3] = e["deltaY"];
  HEAPF64[wheelEvent + 88 >>> 3] = e["deltaZ"];
  HEAP32[wheelEvent + 96 >>> 2] = e["deltaMode"];
  if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: wheelHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 target = findEventTarget(target);
 if (!target) return -4;
 if (typeof target.onwheel != "undefined") {
  return registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
 } else {
  return -1;
 }
}

var emscripten_webgl_power_preferences = [ "default", "low-power", "high-performance" ];

function _emscripten_webgl_do_create_context(target, attributes) {
 assert(attributes);
 var a = attributes >>> 2;
 var powerPreference = HEAP32[a + (24 >> 2) >>> 0];
 var contextAttributes = {
  "alpha": !!HEAP32[a + (0 >> 2) >>> 0],
  "depth": !!HEAP32[a + (4 >> 2) >>> 0],
  "stencil": !!HEAP32[a + (8 >> 2) >>> 0],
  "antialias": !!HEAP32[a + (12 >> 2) >>> 0],
  "premultipliedAlpha": !!HEAP32[a + (16 >> 2) >>> 0],
  "preserveDrawingBuffer": !!HEAP32[a + (20 >> 2) >>> 0],
  "powerPreference": emscripten_webgl_power_preferences[powerPreference],
  "failIfMajorPerformanceCaveat": !!HEAP32[a + (28 >> 2) >>> 0],
  majorVersion: HEAP32[a + (32 >> 2) >>> 0],
  minorVersion: HEAP32[a + (36 >> 2) >>> 0],
  enableExtensionsByDefault: HEAP32[a + (40 >> 2) >>> 0],
  explicitSwapControl: HEAP32[a + (44 >> 2) >>> 0],
  proxyContextToMainThread: HEAP32[a + (48 >> 2) >>> 0],
  renderViaOffscreenBackBuffer: HEAP32[a + (52 >> 2) >>> 0]
 };
 var canvas = findCanvasEventTarget(target);
 if (!canvas) {
  return 0;
 }
 if (contextAttributes.explicitSwapControl) {
  return 0;
 }
 var contextHandle = GL.createContext(canvas, contextAttributes);
 return contextHandle;
}

var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;

function _emscripten_webgl_destroy_context(contextHandle) {
 if (GL.currentContext == contextHandle) GL.currentContext = 0;
 GL.deleteContext(contextHandle);
}

function _emscripten_webgl_enable_extension(contextHandle, extension) {
 var context = GL.getContext(contextHandle);
 var extString = UTF8ToString(extension);
 if (extString.startsWith("GL_")) extString = extString.substr(3);
 if (extString == "ANGLE_instanced_arrays") webgl_enable_ANGLE_instanced_arrays(GLctx);
 if (extString == "OES_vertex_array_object") webgl_enable_OES_vertex_array_object(GLctx);
 if (extString == "WEBGL_draw_buffers") webgl_enable_WEBGL_draw_buffers(GLctx);
 if (extString == "WEBGL_draw_instanced_base_vertex_base_instance") webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
 if (extString == "WEBGL_multi_draw_instanced_base_vertex_base_instance") webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
 if (extString == "WEBGL_multi_draw") webgl_enable_WEBGL_multi_draw(GLctx);
 var ext = context.GLctx.getExtension(extString);
 return !!ext;
}

function _emscripten_webgl_do_get_current_context() {
 return GL.currentContext ? GL.currentContext.handle : 0;
}

var _emscripten_webgl_get_current_context = _emscripten_webgl_do_get_current_context;

function _emscripten_webgl_init_context_attributes(attributes) {
 assert(attributes);
 var a = attributes >>> 2;
 for (var i = 0; i < 56 >> 2; ++i) {
  HEAP32[a + i >>> 0] = 0;
 }
 HEAP32[a + (0 >> 2) >>> 0] = HEAP32[a + (4 >> 2) >>> 0] = HEAP32[a + (12 >> 2) >>> 0] = HEAP32[a + (16 >> 2) >>> 0] = HEAP32[a + (32 >> 2) >>> 0] = HEAP32[a + (40 >> 2) >>> 0] = 1;
}

function _emscripten_webgl_make_context_current(contextHandle) {
 var success = GL.makeContextCurrent(contextHandle);
 return success ? 0 : -5;
}

var ENV = {};

function getExecutableName() {
 return thisProgram || "./this.program";
}

function getEnvStrings() {
 if (!getEnvStrings.strings) {
  var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
  var env = {
   "USER": "web_user",
   "LOGNAME": "web_user",
   "PATH": "/",
   "PWD": "/",
   "HOME": "/home/web_user",
   "LANG": lang,
   "_": getExecutableName()
  };
  for (var x in ENV) {
   if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
  }
  var strings = [];
  for (var x in env) {
   strings.push(x + "=" + env[x]);
  }
  getEnvStrings.strings = strings;
 }
 return getEnvStrings.strings;
}

function stringToAscii(str, buffer) {
 for (var i = 0; i < str.length; ++i) {
  assert(str.charCodeAt(i) === (str.charCodeAt(i) & 255));
  HEAP8[buffer++ >>> 0] = str.charCodeAt(i);
 }
 HEAP8[buffer >>> 0] = 0;
}

function _environ_get(__environ, environ_buf) {
 var bufSize = 0;
 getEnvStrings().forEach(function(string, i) {
  var ptr = environ_buf + bufSize;
  HEAPU32[__environ + i * 4 >>> 2] = ptr;
  stringToAscii(string, ptr);
  bufSize += string.length + 1;
 });
 return 0;
}

function _environ_sizes_get(penviron_count, penviron_buf_size) {
 var strings = getEnvStrings();
 HEAPU32[penviron_count >>> 2] = strings.length;
 var bufSize = 0;
 strings.forEach(function(string) {
  bufSize += string.length + 1;
 });
 HEAPU32[penviron_buf_size >>> 2] = bufSize;
 return 0;
}

function _fd_close(fd) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.close(stream);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function _fd_fdstat_get(fd, pbuf) {
 try {
  var rightsBase = 0;
  var rightsInheriting = 0;
  var flags = 0;
  {
   var stream = SYSCALLS.getStreamFromFD(fd);
   var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
  }
  HEAP8[pbuf >>> 0] = type;
  HEAP16[pbuf + 2 >>> 1] = flags;
  HEAP64[pbuf + 8 >> 3] = BigInt(rightsBase);
  HEAP64[pbuf + 16 >> 3] = BigInt(rightsInheriting);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function doReadv(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = HEAPU32[iov >>> 2];
  var len = HEAPU32[iov + 4 >>> 2];
  iov += 8;
  var curr = FS.read(stream, HEAP8, ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
  if (curr < len) break;
  if (typeof offset !== "undefined") {
   offset += curr;
  }
 }
 return ret;
}

function _fd_read(fd, iov, iovcnt, pnum) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doReadv(stream, iov, iovcnt);
  HEAPU32[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function _fd_seek(fd, offset, whence, newOffset) {
 try {
  offset = bigintToI53Checked(offset);
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.llseek(stream, offset, whence);
  HEAP64[newOffset >> 3] = BigInt(stream.position);
  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function doWritev(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = HEAPU32[iov >>> 2];
  var len = HEAPU32[iov + 4 >>> 2];
  iov += 8;
  var curr = FS.write(stream, HEAP8, ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
  if (typeof offset !== "undefined") {
   offset += curr;
  }
 }
 return ret;
}

function _fd_write(fd, iov, iovcnt, pnum) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doWritev(stream, iov, iovcnt);
  HEAPU32[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function getHostByName(name) {
 var ret = _malloc(20);
 var nameBuf = stringToNewUTF8(name);
 HEAPU32[ret >>> 2] = nameBuf;
 var aliasesBuf = _malloc(4);
 HEAPU32[aliasesBuf >>> 2] = 0;
 HEAPU32[ret + 4 >>> 2] = aliasesBuf;
 var afinet = 2;
 HEAP32[ret + 8 >>> 2] = afinet;
 HEAP32[ret + 12 >>> 2] = 4;
 var addrListBuf = _malloc(12);
 HEAPU32[addrListBuf >>> 2] = addrListBuf + 8;
 HEAPU32[addrListBuf + 4 >>> 2] = 0;
 HEAP32[addrListBuf + 8 >>> 2] = inetPton4(DNS.lookup_name(name));
 HEAPU32[ret + 16 >>> 2] = addrListBuf;
 return ret;
}

function _gethostbyaddr(addr, addrlen, type) {
 if (type !== 2) {
  setErrNo(5);
  return null;
 }
 addr = HEAP32[addr >>> 2];
 var host = inetNtop4(addr);
 var lookup = DNS.lookup_addr(host);
 if (lookup) {
  host = lookup;
 }
 return getHostByName(host);
}

function _gethostbyname(name) {
 return getHostByName(UTF8ToString(name));
}

function _glActiveTexture(x0) {
 GLctx.activeTexture(x0);
}

function _glAttachShader(program, shader) {
 program = GL.programs[program];
 shader = GL.shaders[shader];
 program[shader.shaderType] = shader;
 GLctx.attachShader(program, shader);
}

function _glBeginQuery(target, id) {
 GLctx.beginQuery(target, GL.queries[id]);
}

function _glBindAttribLocation(program, index, name) {
 GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}

function _glBindBuffer(target, buffer) {
 if (target == 34962) {
  GLctx.currentArrayBufferBinding = buffer;
 } else if (target == 34963) {
  GLctx.currentElementArrayBufferBinding = buffer;
 }
 if (target == 35051) {
  GLctx.currentPixelPackBufferBinding = buffer;
 } else if (target == 35052) {
  GLctx.currentPixelUnpackBufferBinding = buffer;
 }
 GLctx.bindBuffer(target, GL.buffers[buffer]);
}

function _glBindBufferBase(target, index, buffer) {
 GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
}

function _glBindBufferRange(target, index, buffer, offset, ptrsize) {
 GLctx.bindBufferRange(target, index, GL.buffers[buffer], offset, ptrsize);
}

function _glBindFramebuffer(target, framebuffer) {
 GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}

function _glBindRenderbuffer(target, renderbuffer) {
 GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}

function _glBindSampler(unit, sampler) {
 GLctx.bindSampler(unit, GL.samplers[sampler]);
}

function _glBindTexture(target, texture) {
 GLctx.bindTexture(target, GL.textures[texture]);
}

function _glBindVertexArray(vao) {
 GLctx.bindVertexArray(GL.vaos[vao]);
 var ibo = GLctx.getParameter(34965);
 GLctx.currentElementArrayBufferBinding = ibo ? ibo.name | 0 : 0;
}

function _glBlendEquation(x0) {
 GLctx.blendEquation(x0);
}

function _glBlendEquationSeparate(x0, x1) {
 GLctx.blendEquationSeparate(x0, x1);
}

function _glBlendFuncSeparate(x0, x1, x2, x3) {
 GLctx.blendFuncSeparate(x0, x1, x2, x3);
}

function _glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) {
 GLctx.blitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9);
}

function _glBufferData(target, size, data, usage) {
 if (HEAPU8.length <= 2147483648) {
  if (data && size) {
   GLctx.bufferData(target, HEAPU8, usage, data >>> 0, size >>> 0);
  } else {
   GLctx.bufferData(target, size >>> 0, usage);
  }
 } else {
  GLctx.bufferData(target, data ? HEAPU8.subarray(data >>> 0, data + size >>> 0) : size >>> 0, usage);
 }
}

function _glBufferSubData(target, offset, size, data) {
 if (HEAPU8.length <= 2147483648) {
  size && GLctx.bufferSubData(target, offset >>> 0, HEAPU8, data >>> 0, size >>> 0);
  return;
 }
 GLctx.bufferSubData(target, offset >>> 0, HEAPU8.subarray(data >>> 0, data + size >>> 0));
}

function _glCheckFramebufferStatus(x0) {
 return GLctx.checkFramebufferStatus(x0);
}

function _glClear(x0) {
 GLctx.clear(x0);
}

function _glClearBufferfi(x0, x1, x2, x3) {
 GLctx.clearBufferfi(x0, x1, x2, x3);
}

function _glClearBufferfv(buffer, drawbuffer, value) {
 if (HEAPU8.length <= 2147483648) {
  GLctx.clearBufferfv(buffer, drawbuffer, HEAPF32, value >>> 2);
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + 16 >>> 2);
  GLctx.clearBufferfv(buffer, drawbuffer, view, 0);
 }
}

function _glClearBufferuiv(buffer, drawbuffer, value) {
 if (HEAPU8.length <= 2147483648) {
  GLctx.clearBufferuiv(buffer, drawbuffer, HEAPU32, value >>> 2);
 } else {
  var view = HEAPU32.subarray(value >>> 2, value + 16 >>> 2);
  GLctx.clearBufferuiv(buffer, drawbuffer, view, 0);
 }
}

function _glClearColor(x0, x1, x2, x3) {
 GLctx.clearColor(x0, x1, x2, x3);
}

function _glClearDepthf(x0) {
 GLctx.clearDepth(x0);
}

function _glClearStencil(x0) {
 GLctx.clearStencil(x0);
}

function _glClientWaitSync(sync, flags, timeout) {
 timeout = Number(timeout);
 return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
}

function _glColorMask(red, green, blue, alpha) {
 GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}

function _glCompileShader(shader) {
 GLctx.compileShader(GL.shaders[shader]);
}

function _glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
  GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, imageSize >>> 0, data >>> 0);
 } else if (HEAPU8.length <= 2147483648) {
  GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8, data >>> 0, imageSize >>> 0);
 } else {
  GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, data ? HEAPU8.subarray(data >>> 0, data + imageSize >>> 0) : null);
 }
}

function _glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.compressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize >>> 0, data >>> 0);
 } else if (HEAPU8.length <= 2147483648) {
  GLctx.compressedTexImage3D(target, level, internalFormat, width, height, depth, border, HEAPU8, data >>> 0, imageSize >>> 0);
 } else {
  GLctx.compressedTexImage3D(target, level, internalFormat, width, height, depth, border, data ? HEAPU8.subarray(data >>> 0, data + imageSize >>> 0) : null);
 }
}

function _glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
  GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize >>> 0, data >>> 0);
 } else if (HEAPU8.length <= 2147483648) {
  GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8, data >>> 0, imageSize >>> 0);
 } else {
  GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray(data >>> 0, data + imageSize >>> 0) : null);
 }
}

function _glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize >>> 0, data >>> 0);
 } else if (HEAPU8.length <= 2147483648) {
  GLctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, HEAPU8, data >>> 0, imageSize >>> 0);
 } else {
  GLctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, data ? HEAPU8.subarray(data >>> 0, data + imageSize >>> 0) : null);
 }
}

function _glCopyBufferSubData(x0, x1, x2, x3, x4) {
 GLctx.copyBufferSubData(x0, x1, x2, x3, x4);
}

function _glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx.copyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
}

function _glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx.copyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
}

function _glCreateProgram() {
 var id = GL.getNewId(GL.programs);
 var program = GLctx.createProgram();
 program.name = id;
 program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
 program.uniformIdCounter = 1;
 GL.programs[id] = program;
 return id;
}

function _glCreateShader(shaderType) {
 var id = GL.getNewId(GL.shaders);
 GL.shaders[id] = GLctx.createShader(shaderType);
 GL.shaders[id].shaderType = shaderType & 1 ? "vs" : "fs";
 return id;
}

function _glCullFace(x0) {
 GLctx.cullFace(x0);
}

function _glDeleteBuffers(n, buffers) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[buffers + i * 4 >>> 2];
  var buffer = GL.buffers[id];
  if (!buffer) continue;
  GLctx.deleteBuffer(buffer);
  buffer.name = 0;
  GL.buffers[id] = null;
  if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
  if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
  if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
  if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
 }
}

function _glDeleteFramebuffers(n, framebuffers) {
 for (var i = 0; i < n; ++i) {
  var id = HEAP32[framebuffers + i * 4 >>> 2];
  var framebuffer = GL.framebuffers[id];
  if (!framebuffer) continue;
  GLctx.deleteFramebuffer(framebuffer);
  framebuffer.name = 0;
  GL.framebuffers[id] = null;
 }
}

function _glDeleteProgram(id) {
 if (!id) return;
 var program = GL.programs[id];
 if (!program) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteProgram(program);
 program.name = 0;
 GL.programs[id] = null;
}

function _glDeleteQueries(n, ids) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[ids + i * 4 >>> 2];
  var query = GL.queries[id];
  if (!query) continue;
  GLctx.deleteQuery(query);
  GL.queries[id] = null;
 }
}

function _glDeleteRenderbuffers(n, renderbuffers) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[renderbuffers + i * 4 >>> 2];
  var renderbuffer = GL.renderbuffers[id];
  if (!renderbuffer) continue;
  GLctx.deleteRenderbuffer(renderbuffer);
  renderbuffer.name = 0;
  GL.renderbuffers[id] = null;
 }
}

function _glDeleteSamplers(n, samplers) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[samplers + i * 4 >>> 2];
  var sampler = GL.samplers[id];
  if (!sampler) continue;
  GLctx.deleteSampler(sampler);
  sampler.name = 0;
  GL.samplers[id] = null;
 }
}

function _glDeleteShader(id) {
 if (!id) return;
 var shader = GL.shaders[id];
 if (!shader) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteShader(shader);
 GL.shaders[id] = null;
}

function _glDeleteSync(id) {
 if (!id) return;
 var sync = GL.syncs[id];
 if (!sync) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteSync(sync);
 sync.name = 0;
 GL.syncs[id] = null;
}

function _glDeleteTextures(n, textures) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[textures + i * 4 >>> 2];
  var texture = GL.textures[id];
  if (!texture) continue;
  GLctx.deleteTexture(texture);
  texture.name = 0;
  GL.textures[id] = null;
 }
}

function _glDeleteVertexArrays(n, vaos) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[vaos + i * 4 >>> 2];
  GLctx.deleteVertexArray(GL.vaos[id]);
  GL.vaos[id] = null;
 }
}

function _glDepthFunc(x0) {
 GLctx.depthFunc(x0);
}

function _glDepthMask(flag) {
 GLctx.depthMask(!!flag);
}

function _glDetachShader(program, shader) {
 GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}

function _glDisable(x0) {
 GLctx.disable(x0);
}

function _glDisableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = false;
 GLctx.disableVertexAttribArray(index);
}

function _glDrawArrays(mode, first, count) {
 GL.preDrawHandleClientVertexAttribBindings(first + count);
 GLctx.drawArrays(mode, first, count);
 GL.postDrawHandleClientVertexAttribBindings();
}

function _glDrawArraysInstanced(mode, first, count, primcount) {
 GLctx.drawArraysInstanced(mode, first, count, primcount);
}

var tempFixedLengthArray = [];

function _glDrawBuffers(n, bufs) {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = HEAP32[bufs + i * 4 >>> 2];
 }
 GLctx.drawBuffers(bufArray);
}

function _glDrawElements(mode, count, type, indices) {
 var buf;
 if (!GLctx.currentElementArrayBufferBinding) {
  var size = GL.calcBufLength(1, type, 0, count);
  buf = GL.getTempIndexBuffer(size);
  GLctx.bindBuffer(34963, buf);
  GLctx.bufferSubData(34963, 0, HEAPU8.subarray(indices >>> 0, indices + size >>> 0));
  indices = 0;
 }
 GL.preDrawHandleClientVertexAttribBindings(count);
 GLctx.drawElements(mode, count, type, indices);
 GL.postDrawHandleClientVertexAttribBindings(count);
 if (!GLctx.currentElementArrayBufferBinding) {
  GLctx.bindBuffer(34963, null);
 }
}

function _glDrawElementsInstanced(mode, count, type, indices, primcount) {
 GLctx.drawElementsInstanced(mode, count, type, indices, primcount);
}

function _glEnable(x0) {
 GLctx.enable(x0);
}

function _glEnableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = true;
 GLctx.enableVertexAttribArray(index);
}

function _glEndQuery(x0) {
 GLctx.endQuery(x0);
}

function _glFenceSync(condition, flags) {
 var sync = GLctx.fenceSync(condition, flags);
 if (sync) {
  var id = GL.getNewId(GL.syncs);
  sync.name = id;
  GL.syncs[id] = sync;
  return id;
 }
 return 0;
}

function _glFinish() {
 GLctx.finish();
}

function _glFlush() {
 GLctx.flush();
}

function emscriptenWebGLGetBufferBinding(target) {
 switch (target) {
 case 34962:
  target = 34964;
  break;

 case 34963:
  target = 34965;
  break;

 case 35051:
  target = 35053;
  break;

 case 35052:
  target = 35055;
  break;

 case 35982:
  target = 35983;
  break;

 case 36662:
  target = 36662;
  break;

 case 36663:
  target = 36663;
  break;

 case 35345:
  target = 35368;
  break;
 }
 var buffer = GLctx.getParameter(target);
 if (buffer) return buffer.name | 0; else return 0;
}

function emscriptenWebGLValidateMapBufferTarget(target) {
 switch (target) {
 case 34962:
 case 34963:
 case 36662:
 case 36663:
 case 35051:
 case 35052:
 case 35882:
 case 35982:
 case 35345:
  return true;

 default:
  return false;
 }
}

function _glFlushMappedBufferRange(target, offset, length) {
 offset >>>= 0;
 length >>>= 0;
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glFlushMappedBufferRange");
  return;
 }
 var mapping = GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)];
 if (!mapping) {
  GL.recordError(1282);
  err("buffer was never mapped in glFlushMappedBufferRange");
  return;
 }
 if (!(mapping.access & 16)) {
  GL.recordError(1282);
  err("buffer was not mapped with GL_MAP_FLUSH_EXPLICIT_BIT in glFlushMappedBufferRange");
  return;
 }
 if (offset < 0 || length < 0 || offset + length > mapping.length >>> 0) {
  GL.recordError(1281);
  err("invalid range in glFlushMappedBufferRange");
  return;
 }
 GLctx.bufferSubData(target, mapping.offset >>> 0, HEAPU8.subarray(mapping.mem + offset >>> 0, mapping.mem + offset + length >>> 0));
}

function _glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
 GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
}

function _glFramebufferTexture2D(target, attachment, textarget, texture, level) {
 GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
}

function _glFramebufferTextureLayer(target, attachment, texture, level, layer) {
 GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
}

function _glFrontFace(x0) {
 GLctx.frontFace(x0);
}

function __glGenObject(n, buffers, createFunction, objectTable) {
 for (var i = 0; i < n; i++) {
  var buffer = GLctx[createFunction]();
  var id = buffer && GL.getNewId(objectTable);
  if (buffer) {
   buffer.name = id;
   objectTable[id] = buffer;
  } else {
   GL.recordError(1282);
  }
  HEAP32[buffers + i * 4 >>> 2] = id;
 }
}

function _glGenBuffers(n, buffers) {
 __glGenObject(n, buffers, "createBuffer", GL.buffers);
}

function _glGenFramebuffers(n, ids) {
 __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
}

function _glGenQueries(n, ids) {
 __glGenObject(n, ids, "createQuery", GL.queries);
}

function _glGenRenderbuffers(n, renderbuffers) {
 __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
}

function _glGenSamplers(n, samplers) {
 __glGenObject(n, samplers, "createSampler", GL.samplers);
}

function _glGenTextures(n, textures) {
 __glGenObject(n, textures, "createTexture", GL.textures);
}

function _glGenVertexArrays(n, arrays) {
 __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}

function _glGenerateMipmap(x0) {
 GLctx.generateMipmap(x0);
}

function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) {
 program = GL.programs[program];
 var info = GLctx[funcName](program, index);
 if (info) {
  var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize);
  if (length) HEAP32[length >>> 2] = numBytesWrittenExclNull;
  if (size) HEAP32[size >>> 2] = info.size;
  if (type) HEAP32[type >>> 2] = info.type;
 }
}

function _glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
 __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
}

function _glGetActiveUniform(program, index, bufSize, length, size, type, name) {
 __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
}

function _glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) {
 program = GL.programs[program];
 var result = GLctx.getActiveUniformBlockName(program, uniformBlockIndex);
 if (!result) return;
 if (uniformBlockName && bufSize > 0) {
  var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize);
  if (length) HEAP32[length >>> 2] = numBytesWrittenExclNull;
 } else {
  if (length) HEAP32[length >>> 2] = 0;
 }
}

function _glGetActiveUniformBlockiv(program, uniformBlockIndex, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35393) {
  var name = GLctx.getActiveUniformBlockName(program, uniformBlockIndex);
  HEAP32[params >>> 2] = name.length + 1;
  return;
 }
 var result = GLctx.getActiveUniformBlockParameter(program, uniformBlockIndex, pname);
 if (result === null) return;
 if (pname == 35395) {
  for (var i = 0; i < result.length; i++) {
   HEAP32[params + i * 4 >>> 2] = result[i];
  }
 } else {
  HEAP32[params >>> 2] = result;
 }
}

function _glGetActiveUniformsiv(program, uniformCount, uniformIndices, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 if (uniformCount > 0 && uniformIndices == 0) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 var ids = [];
 for (var i = 0; i < uniformCount; i++) {
  ids.push(HEAP32[uniformIndices + i * 4 >>> 2]);
 }
 var result = GLctx.getActiveUniforms(program, ids, pname);
 if (!result) return;
 var len = result.length;
 for (var i = 0; i < len; i++) {
  HEAP32[params + i * 4 >>> 2] = result[i];
 }
}

function _glGetAttribLocation(program, name) {
 return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}

function _glGetBufferSubData(target, offset, size, data) {
 if (!data) {
  GL.recordError(1281);
  return;
 }
 if (HEAPU8.length <= 2147483648) {
  size && GLctx.getBufferSubData(target, offset, HEAPU8, data >>> 0, size >>> 0);
 } else {
  size && GLctx.getBufferSubData(target, offset, HEAPU8.subarray(data >>> 0, data + size >>> 0));
 }
}

function _glGetError() {
 var error = GLctx.getError() || GL.lastError;
 GL.lastError = 0;
 return error;
}

function _glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
 var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
 if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
  result = result.name | 0;
 }
 HEAP32[params >>> 2] = result;
}

function readI53FromU64(ptr) {
 return HEAPU32[ptr >>> 2] + HEAPU32[ptr + 4 >>> 2] * 4294967296;
}

function writeI53ToI64(ptr, num) {
 HEAPU32[ptr >>> 2] = num;
 HEAPU32[ptr + 4 >>> 2] = (num - HEAPU32[ptr >>> 2]) / 4294967296;
 var deserialized = num >= 0 ? readI53FromU64(ptr) : readI53FromI64(ptr);
 if (deserialized != num) warnOnce("writeI53ToI64() out of range: serialized JS Number " + num + " to Wasm heap as bytes lo=" + ptrToString(HEAPU32[ptr >>> 2]) + ", hi=" + ptrToString(HEAPU32[ptr + 4 >>> 2]) + ", which deserializes back to " + deserialized + " instead!");
}

function emscriptenWebGLGetIndexed(target, index, data, type) {
 if (!data) {
  GL.recordError(1281);
  return;
 }
 var result = GLctx.getIndexedParameter(target, index);
 var ret;
 switch (typeof result) {
 case "boolean":
  ret = result ? 1 : 0;
  break;

 case "number":
  ret = result;
  break;

 case "object":
  if (result === null) {
   switch (target) {
   case 35983:
   case 35368:
    ret = 0;
    break;

   default:
    {
     GL.recordError(1280);
     return;
    }
   }
  } else if (result instanceof WebGLBuffer) {
   ret = result.name | 0;
  } else {
   GL.recordError(1280);
   return;
  }
  break;

 default:
  GL.recordError(1280);
  return;
 }
 switch (type) {
 case 1:
  writeI53ToI64(data, ret);
  break;

 case 0:
  HEAP32[data >>> 2] = ret;
  break;

 case 2:
  HEAPF32[data >>> 2] = ret;
  break;

 case 4:
  HEAP8[data >>> 0] = ret ? 1 : 0;
  break;

 default:
  throw "internal emscriptenWebGLGetIndexed() error, bad type: " + type;
 }
}

function _glGetIntegeri_v(target, index, data) {
 emscriptenWebGLGetIndexed(target, index, data, 0);
}

function emscriptenWebGLGet(name_, p, type) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 var ret = undefined;
 switch (name_) {
 case 36346:
  ret = 1;
  break;

 case 36344:
  if (type != 0 && type != 1) {
   GL.recordError(1280);
  }
  return;

 case 34814:
 case 36345:
  ret = 0;
  break;

 case 34466:
  var formats = GLctx.getParameter(34467);
  ret = formats ? formats.length : 0;
  break;

 case 33390:
  ret = 1048576;
  break;

 case 33309:
  if (GL.currentContext.version < 2) {
   GL.recordError(1282);
   return;
  }
  var exts = GLctx.getSupportedExtensions() || [];
  ret = 2 * exts.length;
  break;

 case 33307:
 case 33308:
  if (GL.currentContext.version < 2) {
   GL.recordError(1280);
   return;
  }
  ret = name_ == 33307 ? 3 : 0;
  break;
 }
 if (ret === undefined) {
  var result = GLctx.getParameter(name_);
  switch (typeof result) {
  case "number":
   ret = result;
   break;

  case "boolean":
   ret = result ? 1 : 0;
   break;

  case "string":
   GL.recordError(1280);
   return;

  case "object":
   if (result === null) {
    switch (name_) {
    case 34964:
    case 35725:
    case 34965:
    case 36006:
    case 36007:
    case 32873:
    case 34229:
    case 36662:
    case 36663:
    case 35053:
    case 35055:
    case 36010:
    case 35097:
    case 35869:
    case 32874:
    case 36389:
    case 35983:
    case 35368:
    case 34068:
     {
      ret = 0;
      break;
     }

    default:
     {
      GL.recordError(1280);
      return;
     }
    }
   } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
    for (var i = 0; i < result.length; ++i) {
     switch (type) {
     case 0:
      HEAP32[p + i * 4 >>> 2] = result[i];
      break;

     case 2:
      HEAPF32[p + i * 4 >>> 2] = result[i];
      break;

     case 4:
      HEAP8[p + i >>> 0] = result[i] ? 1 : 0;
      break;
     }
    }
    return;
   } else {
    try {
     ret = result.name | 0;
    } catch (e) {
     GL.recordError(1280);
     err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
     return;
    }
   }
   break;

  default:
   GL.recordError(1280);
   err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
   return;
  }
 }
 switch (type) {
 case 1:
  writeI53ToI64(p, ret);
  break;

 case 0:
  HEAP32[p >>> 2] = ret;
  break;

 case 2:
  HEAPF32[p >>> 2] = ret;
  break;

 case 4:
  HEAP8[p >>> 0] = ret ? 1 : 0;
  break;
 }
}

function _glGetIntegerv(name_, p) {
 emscriptenWebGLGet(name_, p, 0);
}

function _glGetInternalformativ(target, internalformat, pname, bufSize, params) {
 if (bufSize < 0) {
  GL.recordError(1281);
  return;
 }
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var ret = GLctx.getInternalformatParameter(target, internalformat, pname);
 if (ret === null) return;
 for (var i = 0; i < ret.length && i < bufSize; ++i) {
  HEAP32[params + i * 4 >>> 2] = ret[i];
 }
}

function _glGetProgramBinary(program, bufSize, length, binaryFormat, binary) {
 GL.recordError(1282);
}

function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
 var log = GLctx.getProgramInfoLog(GL.programs[program]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) HEAP32[length >>> 2] = numBytesWrittenExclNull;
}

function _glGetProgramiv(program, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (program >= GL.counter) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35716) {
  var log = GLctx.getProgramInfoLog(program);
  if (log === null) log = "(unknown error)";
  HEAP32[p >>> 2] = log.length + 1;
 } else if (pname == 35719) {
  if (!program.maxUniformLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
   }
  }
  HEAP32[p >>> 2] = program.maxUniformLength;
 } else if (pname == 35722) {
  if (!program.maxAttributeLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) {
    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
   }
  }
  HEAP32[p >>> 2] = program.maxAttributeLength;
 } else if (pname == 35381) {
  if (!program.maxUniformBlockNameLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) {
    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
   }
  }
  HEAP32[p >>> 2] = program.maxUniformBlockNameLength;
 } else {
  HEAP32[p >>> 2] = GLctx.getProgramParameter(program, pname);
 }
}

function _glGetQueryObjectuiv(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param = GLctx.getQueryParameter(query, pname);
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 HEAP32[params >>> 2] = ret;
}

function _glGetQueryiv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 HEAP32[params >>> 2] = GLctx.getQuery(target, pname);
}

function _glGetRenderbufferParameteriv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 HEAP32[params >>> 2] = GLctx.getRenderbufferParameter(target, pname);
}

function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
 var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) HEAP32[length >>> 2] = numBytesWrittenExclNull;
}

function _glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
 var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
 HEAP32[range >>> 2] = result.rangeMin;
 HEAP32[range + 4 >>> 2] = result.rangeMax;
 HEAP32[precision >>> 2] = result.precision;
}

function _glGetShaderSource(shader, bufSize, length, source) {
 var result = GLctx.getShaderSource(GL.shaders[shader]);
 if (!result) return;
 var numBytesWrittenExclNull = bufSize > 0 && source ? stringToUTF8(result, source, bufSize) : 0;
 if (length) HEAP32[length >>> 2] = numBytesWrittenExclNull;
}

function _glGetShaderiv(shader, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (pname == 35716) {
  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
  if (log === null) log = "(unknown error)";
  var logLength = log ? log.length + 1 : 0;
  HEAP32[p >>> 2] = logLength;
 } else if (pname == 35720) {
  var source = GLctx.getShaderSource(GL.shaders[shader]);
  var sourceLength = source ? source.length + 1 : 0;
  HEAP32[p >>> 2] = sourceLength;
 } else {
  HEAP32[p >>> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
 }
}

function _glGetString(name_) {
 var ret = GL.stringCache[name_];
 if (!ret) {
  switch (name_) {
  case 7939:
   var exts = GLctx.getSupportedExtensions() || [];
   exts = exts.concat(exts.map(function(e) {
    return "GL_" + e;
   }));
   ret = stringToNewUTF8(exts.join(" "));
   break;

  case 7936:
  case 7937:
  case 37445:
  case 37446:
   var s = GLctx.getParameter(name_);
   if (!s) {
    GL.recordError(1280);
   }
   ret = s && stringToNewUTF8(s);
   break;

  case 7938:
   var glVersion = GLctx.getParameter(7938);
   if (GL.currentContext.version >= 2) glVersion = "OpenGL ES 3.0 (" + glVersion + ")"; else {
    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
   }
   ret = stringToNewUTF8(glVersion);
   break;

  case 35724:
   var glslVersion = GLctx.getParameter(35724);
   var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
   var ver_num = glslVersion.match(ver_re);
   if (ver_num !== null) {
    if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
    glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
   }
   ret = stringToNewUTF8(glslVersion);
   break;

  default:
   GL.recordError(1280);
  }
  GL.stringCache[name_] = ret;
 }
 return ret;
}

function _glGetStringi(name, index) {
 if (GL.currentContext.version < 2) {
  GL.recordError(1282);
  return 0;
 }
 var stringiCache = GL.stringiCache[name];
 if (stringiCache) {
  if (index < 0 || index >= stringiCache.length) {
   GL.recordError(1281);
   return 0;
  }
  return stringiCache[index];
 }
 switch (name) {
 case 7939:
  var exts = GLctx.getSupportedExtensions() || [];
  exts = exts.concat(exts.map(function(e) {
   return "GL_" + e;
  }));
  exts = exts.map(function(e) {
   return stringToNewUTF8(e);
  });
  stringiCache = GL.stringiCache[name] = exts;
  if (index < 0 || index >= stringiCache.length) {
   GL.recordError(1281);
   return 0;
  }
  return stringiCache[index];

 default:
  GL.recordError(1280);
  return 0;
 }
}

function _glGetTexParameteriv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 HEAP32[params >>> 2] = GLctx.getTexParameter(target, pname);
}

function _glGetUniformBlockIndex(program, uniformBlockName) {
 return GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
}

function _glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) {
 if (!uniformIndices) {
  GL.recordError(1281);
  return;
 }
 if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 var names = [];
 for (var i = 0; i < uniformCount; i++) names.push(UTF8ToString(HEAP32[uniformNames + i * 4 >>> 2]));
 var result = GLctx.getUniformIndices(program, names);
 if (!result) return;
 var len = result.length;
 for (var i = 0; i < len; i++) {
  HEAP32[uniformIndices + i * 4 >>> 2] = result[i];
 }
}

function webglGetLeftBracePos(name) {
 return name.slice(-1) == "]" && name.lastIndexOf("[");
}

function webglPrepareUniformLocationsBeforeFirstUse(program) {
 var uniformLocsById = program.uniformLocsById, uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, i, j;
 if (!uniformLocsById) {
  program.uniformLocsById = uniformLocsById = {};
  program.uniformArrayNamesById = {};
  for (i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
   var u = GLctx.getActiveUniform(program, i);
   var nm = u.name;
   var sz = u.size;
   var lb = webglGetLeftBracePos(nm);
   var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
   var id = uniformSizeAndIdsByName[arrayName] ? uniformSizeAndIdsByName[arrayName][1] : program.uniformIdCounter;
   program.uniformIdCounter = Math.max(id + sz, program.uniformIdCounter);
   uniformSizeAndIdsByName[arrayName] = [ sz, id ];
   for (j = 0; j < sz; ++j) {
    uniformLocsById[id] = j;
    program.uniformArrayNamesById[id++] = arrayName;
   }
  }
 }
}

function _glGetUniformLocation(program, name) {
 name = UTF8ToString(name);
 if (program = GL.programs[program]) {
  webglPrepareUniformLocationsBeforeFirstUse(program);
  var uniformLocsById = program.uniformLocsById;
  var arrayIndex = 0;
  var uniformBaseName = name;
  var leftBrace = webglGetLeftBracePos(name);
  if (leftBrace > 0) {
   arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
   uniformBaseName = name.slice(0, leftBrace);
  }
  var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
  if (sizeAndId && arrayIndex < sizeAndId[0]) {
   arrayIndex += sizeAndId[1];
   if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) {
    return arrayIndex;
   }
  }
 } else {
  GL.recordError(1281);
 }
 return -1;
}

function webglGetUniformLocation(location) {
 var p = GLctx.currentProgram;
 if (p) {
  var webglLoc = p.uniformLocsById[location];
  if (typeof webglLoc == "number") {
   p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? "[" + webglLoc + "]" : ""));
  }
  return webglLoc;
 } else {
  GL.recordError(1282);
 }
}

function emscriptenWebGLGetUniform(program, location, params, type) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 webglPrepareUniformLocationsBeforeFirstUse(program);
 var data = GLctx.getUniform(program, webglGetUniformLocation(location));
 if (typeof data == "number" || typeof data == "boolean") {
  switch (type) {
  case 0:
   HEAP32[params >>> 2] = data;
   break;

  case 2:
   HEAPF32[params >>> 2] = data;
   break;
  }
 } else {
  for (var i = 0; i < data.length; i++) {
   switch (type) {
   case 0:
    HEAP32[params + i * 4 >>> 2] = data[i];
    break;

   case 2:
    HEAPF32[params + i * 4 >>> 2] = data[i];
    break;
   }
  }
 }
}

function _glGetUniformiv(program, location, params) {
 emscriptenWebGLGetUniform(program, location, params, 0);
}

function emscriptenWebGLGetVertexAttrib(index, pname, params, type) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 if (GL.currentContext.clientBuffers[index].enabled) {
  err("glGetVertexAttrib*v on client-side array: not supported, bad data returned");
 }
 var data = GLctx.getVertexAttrib(index, pname);
 if (pname == 34975) {
  HEAP32[params >>> 2] = data && data["name"];
 } else if (typeof data == "number" || typeof data == "boolean") {
  switch (type) {
  case 0:
   HEAP32[params >>> 2] = data;
   break;

  case 2:
   HEAPF32[params >>> 2] = data;
   break;

  case 5:
   HEAP32[params >>> 2] = Math.fround(data);
   break;
  }
 } else {
  for (var i = 0; i < data.length; i++) {
   switch (type) {
   case 0:
    HEAP32[params + i * 4 >>> 2] = data[i];
    break;

   case 2:
    HEAPF32[params + i * 4 >>> 2] = data[i];
    break;

   case 5:
    HEAP32[params + i * 4 >>> 2] = Math.fround(data[i]);
    break;
   }
  }
 }
}

function _glGetVertexAttribiv(index, pname, params) {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 5);
}

function _glInvalidateFramebuffer(target, numAttachments, attachments) {
 var list = tempFixedLengthArray[numAttachments];
 for (var i = 0; i < numAttachments; i++) {
  list[i] = HEAP32[attachments + i * 4 >>> 2];
 }
 GLctx.invalidateFramebuffer(target, list);
}

function _glIsEnabled(x0) {
 return GLctx.isEnabled(x0);
}

function _glIsVertexArray(array) {
 var vao = GL.vaos[array];
 if (!vao) return 0;
 return GLctx.isVertexArray(vao);
}

function _glLinkProgram(program) {
 program = GL.programs[program];
 GLctx.linkProgram(program);
 program.uniformLocsById = 0;
 program.uniformSizeAndIdsByName = {};
 [ program["vs"], program["fs"] ].forEach(function(s) {
  Object.keys(s.explicitUniformLocations).forEach(function(shaderLocation) {
   var loc = s.explicitUniformLocations[shaderLocation];
   program.uniformSizeAndIdsByName[shaderLocation] = [ 1, loc ];
   program.uniformIdCounter = Math.max(program.uniformIdCounter, loc + 1);
  });
 });
 function copyKeys(dst, src) {
  Object.keys(src).forEach(function(key) {
   dst[key] = src[key];
  });
 }
 program.explicitUniformBindings = {};
 program.explicitSamplerBindings = {};
 [ program["vs"], program["fs"] ].forEach(function(s) {
  copyKeys(program.explicitUniformBindings, s.explicitUniformBindings);
  copyKeys(program.explicitSamplerBindings, s.explicitSamplerBindings);
 });
 program.explicitProgramBindingsApplied = 0;
}

function _glMapBufferRange(target, offset, length, access) {
 if ((access & (1 | 32)) != 0) {
  err("glMapBufferRange access does not support MAP_READ or MAP_UNSYNCHRONIZED");
  return 0;
 }
 if ((access & 2) == 0) {
  err("glMapBufferRange access must include MAP_WRITE");
  return 0;
 }
 if ((access & (4 | 8)) == 0) {
  err("glMapBufferRange access must include INVALIDATE_BUFFER or INVALIDATE_RANGE");
  return 0;
 }
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glMapBufferRange");
  return 0;
 }
 var mem = _malloc(length);
 if (!mem) return 0;
 GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)] = {
  offset: offset,
  length: length,
  mem: mem,
  access: access
 };
 return mem;
}

function _glPixelStorei(pname, param) {
 if (pname == 3317) {
  GL.unpackAlignment = param;
 }
 GLctx.pixelStorei(pname, param);
}

function _glPolygonOffset(x0, x1) {
 GLctx.polygonOffset(x0, x1);
}

function _glProgramBinary(program, binaryFormat, binary, length) {
 GL.recordError(1280);
}

function _glProgramParameteri(program, pname, value) {
 GL.recordError(1280);
}

function _glReadBuffer(x0) {
 GLctx.readBuffer(x0);
}

function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
 function roundedToNextMultipleOf(x, y) {
  return x + y - 1 & -y;
 }
 var plainRowSize = width * sizePerPixel;
 var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
 return height * alignedRowSize;
}

function colorChannelsInGlTextureFormat(format) {
 var colorChannels = {
  5: 3,
  6: 4,
  8: 2,
  29502: 3,
  29504: 4,
  26917: 2,
  26918: 2,
  29846: 3,
  29847: 4
 };
 return colorChannels[format - 6402] || 1;
}

function heapObjectForWebGLType(type) {
 type -= 5120;
 if (type == 0) return HEAP8;
 if (type == 1) return HEAPU8;
 if (type == 2) return HEAP16;
 if (type == 4) return HEAP32;
 if (type == 6) return HEAPF32;
 if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return HEAPU32;
 return HEAPU16;
}

function heapAccessShiftForWebGLHeap(heap) {
 return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
}

function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
 var heap = heapObjectForWebGLType(type);
 var shift = heapAccessShiftForWebGLHeap(heap);
 var sizePerPixel = colorChannelsInGlTextureFormat(format) << shift;
 var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
 return heap.subarray(pixels >>> shift >>> 0, pixels + bytes >>> shift >>> 0);
}

function _glReadPixels(x, y, width, height, format, type, pixels) {
 if (GLctx.currentPixelPackBufferBinding) {
  GLctx.readPixels(x, y, width, height, format, type, pixels >>> 0);
 } else if (HEAPU8.length <= 2147483648) {
  var heap = heapObjectForWebGLType(type);
  GLctx.readPixels(x, y, width, height, format, type, heap, pixels >>> heapAccessShiftForWebGLHeap(heap));
 } else {
  var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
  if (!pixelData) {
   GL.recordError(1280);
   return;
  }
  GLctx.readPixels(x, y, width, height, format, type, pixelData);
 }
}

function _glRenderbufferStorage(x0, x1, x2, x3) {
 GLctx.renderbufferStorage(x0, x1, x2, x3);
}

function _glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) {
 GLctx.renderbufferStorageMultisample(x0, x1, x2, x3, x4);
}

function _glSamplerParameteri(sampler, pname, param) {
 GLctx.samplerParameteri(GL.samplers[sampler], pname, param);
}

function _glScissor(x0, x1, x2, x3) {
 GLctx.scissor(x0, x1, x2, x3);
}

function find_closing_parens_index(arr, i, opening = "(", closing = ")") {
 for (var nesting = 0; i < arr.length; ++i) {
  if (arr[i] == opening) ++nesting;
  if (arr[i] == closing && --nesting == 0) {
   return i;
  }
 }
}

function preprocess_c_code(code, defs = {}) {
 var i = 0, len = code.length, out = "", stack = [ 1 ];
 defs["defined"] = args => {
  assert(args.length == 1);
  assert(/^[A-Za-z0-9_$]+$/.test(args[0].trim()));
  return defs[args[0].trim()] ? 1 : 0;
 };
 function isWhitespace(str, i) {
  return !(str.charCodeAt(i) > 32);
 }
 function nextWhitespace(str, i) {
  while (!isWhitespace(str, i)) ++i;
  return i;
 }
 function classifyChar(str, idx) {
  var cc = str.charCodeAt(idx);
  assert(!(cc > 127), "Only 7-bit ASCII can be used in preprocessor #if/#ifdef/#define statements!");
  if (cc > 32) {
   if (cc < 48) return 1;
   if (cc < 58) return 2;
   if (cc < 65) return 1;
   if (cc < 91 || cc == 95) return 3;
   if (cc < 97) return 1;
   if (cc < 123) return 3;
   return 1;
  }
  return cc < 33 ? 0 : 4;
 }
 function tokenize(exprString, keepWhitespace) {
  var out = [], len = exprString.length;
  for (var i = 0; i <= len; ++i) {
   var kind = classifyChar(exprString, i);
   if (kind == 2 || kind == 3) {
    for (var j = i + 1; j <= len; ++j) {
     var kind2 = classifyChar(exprString, j);
     if (kind2 != kind && (kind2 != 2 || kind != 3)) {
      out.push(exprString.substring(i, j));
      i = j - 1;
      break;
     }
    }
   } else if (kind == 1) {
    var op2 = exprString.substr(i, 2);
    if ([ "<=", ">=", "==", "!=", "&&", "||" ].includes(op2)) {
     out.push(op2);
     ++i;
    } else {
     out.push(exprString[i]);
    }
   }
  }
  return out;
 }
 function expandMacros(str, lineStart, lineEnd) {
  if (lineEnd === undefined) lineEnd = str.length;
  var len = str.length;
  var out = "";
  for (var i = lineStart; i < lineEnd; ++i) {
   var kind = classifyChar(str, i);
   if (kind == 3) {
    for (var j = i + 1; j <= lineEnd; ++j) {
     var kind2 = classifyChar(str, j);
     if (kind2 != 2 && kind2 != 3) {
      var symbol = str.substring(i, j);
      var pp = defs[symbol];
      if (pp) {
       var expanded = str.substring(lineStart, i);
       if (pp.length) {
        while (isWhitespace(str, j)) ++j;
        if (str[j] == "(") {
         var closeParens = find_closing_parens_index(str, j);
         expanded += pp(str.substring(j + 1, closeParens).split(",")) + str.substring(closeParens + 1, lineEnd);
        } else {
         var j2 = nextWhitespace(str, j);
         expanded += pp([ str.substring(j, j2) ]) + str.substring(j2, lineEnd);
        }
       } else {
        expanded += pp() + str.substring(j, lineEnd);
       }
       return expandMacros(expanded, 0);
      }
      out += symbol;
      i = j - 1;
      break;
     }
    }
   } else {
    out += str[i];
   }
  }
  return out;
 }
 function buildExprTree(tokens) {
  while (tokens.length > 1 || typeof tokens[0] != "function") {
   tokens = function(tokens) {
    var i, j, p, operatorAndPriority = -2;
    for (j = 0; j < tokens.length; ++j) {
     if ((p = [ "*", "/", "+", "-", "!", "<", "<=", ">", ">=", "==", "!=", "&&", "||", "(" ].indexOf(tokens[j])) > operatorAndPriority) {
      i = j;
      operatorAndPriority = p;
     }
    }
    if (operatorAndPriority == 13) {
     var j = find_closing_parens_index(tokens, i);
     if (j) {
      tokens.splice(i, j + 1 - i, buildExprTree(tokens.slice(i + 1, j)));
      return tokens;
     }
    }
    if (operatorAndPriority == 4) {
     i = tokens.lastIndexOf("!");
     var innerExpr = buildExprTree(tokens.slice(i + 1, i + 2));
     tokens.splice(i, 2, function() {
      return !innerExpr();
     });
     return tokens;
    }
    if (operatorAndPriority >= 0) {
     var left = buildExprTree(tokens.slice(0, i));
     var right = buildExprTree(tokens.slice(i + 1));
     switch (tokens[i]) {
     case "&&":
      return [ function() {
       return left() && right();
      } ];

     case "||":
      return [ function() {
       return left() || right();
      } ];

     case "==":
      return [ function() {
       return left() == right();
      } ];

     case "!=":
      return [ function() {
       return left() != right();
      } ];

     case "<":
      return [ function() {
       return left() < right();
      } ];

     case "<=":
      return [ function() {
       return left() <= right();
      } ];

     case ">":
      return [ function() {
       return left() > right();
      } ];

     case ">=":
      return [ function() {
       return left() >= right();
      } ];

     case "+":
      return [ function() {
       return left() + right();
      } ];

     case "-":
      return [ function() {
       return left() - right();
      } ];

     case "*":
      return [ function() {
       return left() * right();
      } ];

     case "/":
      return [ function() {
       return Math.floor(left() / right());
      } ];
     }
    }
    if (tokens[i] == ")") throw "Parsing failure, mismatched parentheses in parsing!" + tokens.toString();
    assert(operatorAndPriority == -1);
    var num = jstoi_q(tokens[i]);
    return [ function() {
     return num;
    } ];
   }(tokens);
  }
  return tokens[0];
 }
 for (;i < len; ++i) {
  var lineStart = i;
  i = code.indexOf("\n", i);
  if (i < 0) i = len;
  for (var j = lineStart; j < i && isWhitespace(code, j); ++j) ;
  var thisLineIsInActivePreprocessingBlock = stack[stack.length - 1];
  if (code[j] != "#") {
   if (thisLineIsInActivePreprocessingBlock) {
    out += expandMacros(code, lineStart, i) + "\n";
   }
   continue;
  }
  var space = nextWhitespace(code, j);
  var directive = code.substring(j + 1, space);
  var expression = code.substring(space, i).trim();
  switch (directive) {
  case "if":
   var tokens = tokenize(expandMacros(expression, 0));
   var exprTree = buildExprTree(tokens);
   var evaluated = exprTree();
   stack.push(!!evaluated * stack[stack.length - 1]);
   break;

  case "ifdef":
   stack.push(!!defs[expression] * stack[stack.length - 1]);
   break;

  case "ifndef":
   stack.push(!defs[expression] * stack[stack.length - 1]);
   break;

  case "else":
   stack[stack.length - 1] = (1 - stack[stack.length - 1]) * stack[stack.length - 2];
   break;

  case "endif":
   stack.pop();
   break;

  case "define":
   if (thisLineIsInActivePreprocessingBlock) {
    var macroStart = expression.indexOf("(");
    var firstWs = nextWhitespace(expression, 0);
    if (firstWs < macroStart) macroStart = 0;
    if (macroStart > 0) {
     var macroEnd = expression.indexOf(")", macroStart);
     let params = expression.substring(macroStart + 1, macroEnd).split(",").map(x => x.trim());
     let value = tokenize(expression.substring(macroEnd + 1).trim());
     defs[expression.substring(0, macroStart)] = args => {
      var ret = "";
      value.forEach(x => {
       var argIndex = params.indexOf(x);
       ret += argIndex >= 0 ? args[argIndex] : x;
      });
      return ret;
     };
    } else {
     let value = expandMacros(expression.substring(firstWs + 1).trim(), 0);
     defs[expression.substring(0, firstWs)] = () => value;
    }
   }
   break;

  case "undef":
   if (thisLineIsInActivePreprocessingBlock) delete defs[expression];
   break;

  default:
   if (directive != "version" && directive != "pragma" && directive != "extension" && directive != "line") {
    err("Unrecognized preprocessor directive #" + directive + "!");
   }
   out += expandMacros(code, lineStart, i) + "\n";
  }
 }
 return out;
}

function remove_cpp_comments_in_shaders(code) {
 var i = 0, out = "", ch, next, len = code.length;
 for (;i < len; ++i) {
  ch = code[i];
  if (ch == "/") {
   next = code[i + 1];
   if (next == "/") {
    while (i < len && code[i + 1] != "\n") ++i;
   } else if (next == "*") {
    while (i < len && (code[i - 1] != "*" || code[i] != "/")) ++i;
   } else {
    out += ch;
   }
  } else {
   out += ch;
  }
 }
 return out;
}

function _glShaderSource(shader, count, string, length) {
 var source = GL.getSource(shader, count, string, length);
 if (source.includes("__FILE__")) warnOnce(`When compiling shader: ${source}: Preprocessor variable __FILE__ is not handled by -sGL_EXPLICIT_UNIFORM_LOCATION/-sGL_EXPLICIT_UNIFORM_BINDING options!`);
 if (source.includes("__LINE__")) warnOnce(`When compiling shader: ${source}: Preprocessor variable __LINE__ is not handled by -sGL_EXPLICIT_UNIFORM_LOCATION/-sGL_EXPLICIT_UNIFORM_BINDING options!`);
 source = preprocess_c_code(remove_cpp_comments_in_shaders(source), {
  "GL_FRAGMENT_PRECISION_HIGH": () => 1,
  "GL_ES": () => 1,
  "__VERSION__": () => source.includes("#version 300") ? 300 : 100
 });
 var regex = /layout\s*\(\s*location\s*=\s*(-?\d+)\s*\)\s*(uniform\s+((lowp|mediump|highp)\s+)?\w+\s+(\w+))/g, explicitUniformLocations = {}, match;
 while (match = regex.exec(source)) {
  explicitUniformLocations[match[5]] = jstoi_q(match[1]);
  if (!(explicitUniformLocations[match[5]] >= 0 && explicitUniformLocations[match[5]] < 1048576)) {
   err('Specified an out of range layout(location=x) directive "' + explicitUniformLocations[match[5]] + '"! (' + match[0] + ")");
   GL.recordError(1281);
   return;
  }
 }
 source = source.replace(regex, "$2");
 GL.shaders[shader].explicitUniformLocations = explicitUniformLocations;
 var bindingRegex = /layout\s*\(.*?binding\s*=\s*(-?\d+).*?\)\s*uniform\s+(\w+)\s+(\w+)?/g, samplerBindings = {}, uniformBindings = {}, bindingMatch;
 while (bindingMatch = bindingRegex.exec(source)) {
  var arrayLength = 1;
  for (var i = bindingMatch.index; i < source.length && source[i] != ";"; ++i) {
   if (source[i] == "[") {
    arrayLength = jstoi_q(source.slice(i + 1));
    break;
   }
   if (source[i] == "{") i = find_closing_parens_index(source, i, "{", "}") - 1;
  }
  var binding = jstoi_q(bindingMatch[1]);
  var bindingsType = 34930;
  if (bindingMatch[3] && bindingMatch[2].indexOf("sampler") != -1) {
   samplerBindings[bindingMatch[3]] = [ binding, arrayLength ];
  } else {
   bindingsType = 35374;
   uniformBindings[bindingMatch[2]] = [ binding, arrayLength ];
  }
  var numBindingPoints = GLctx.getParameter(bindingsType);
  if (!(binding >= 0 && binding + arrayLength <= numBindingPoints)) {
   err('Specified an out of range layout(binding=x) directive "' + binding + '"! (' + bindingMatch[0] + "). Valid range is [0, " + numBindingPoints + "-1]");
   GL.recordError(1281);
   return;
  }
 }
 source = source.replace(/layout\s*\(.*?binding\s*=\s*([-\d]+).*?\)/g, "");
 source = source.replace(/(layout\s*\((.*?)),\s*binding\s*=\s*([-\d]+)\)/g, "$1)");
 source = source.replace(/layout\s*\(\s*binding\s*=\s*([-\d]+)\s*,(.*?)\)/g, "layout($2)");
 GL.shaders[shader].explicitSamplerBindings = samplerBindings;
 GL.shaders[shader].explicitUniformBindings = uniformBindings;
 GLctx.shaderSource(GL.shaders[shader], source);
}

function _glStencilFuncSeparate(x0, x1, x2, x3) {
 GLctx.stencilFuncSeparate(x0, x1, x2, x3);
}

function _glStencilMask(x0) {
 GLctx.stencilMask(x0);
}

function _glStencilOpSeparate(x0, x1, x2, x3) {
 GLctx.stencilOpSeparate(x0, x1, x2, x3);
}

function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels >>> 0);
 } else if (pixels) {
  if (HEAPU8.length <= 2147483648) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >>> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat));
  }
 } else {
  GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
 }
}

function computeUnpackAlignedImageSize3D(width, height, depth, sizePerPixel, alignment) {
 function roundedToNextMultipleOf(x, y) {
  return x + y - 1 & -y;
 }
 var plainRowSize = width * sizePerPixel;
 var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
 return depth * height * alignedRowSize;
}

function emscriptenWebGLGetTexPixelData3D(type, format, width, height, depth, pixels, internalFormat) {
 var heap = heapObjectForWebGLType(type);
 var shift = heapAccessShiftForWebGLHeap(heap);
 var sizePerPixel = colorChannelsInGlTextureFormat(format) << shift;
 var bytes = computeUnpackAlignedImageSize3D(width, height, depth, sizePerPixel, GL.unpackAlignment);
 return heap.subarray(pixels >>> shift >>> 0, pixels + bytes >>> shift >>> 0);
}

function _glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels >>> 0);
 } else if (pixels) {
  if (HEAPU8.length <= 2147483648) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >>> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, emscriptenWebGLGetTexPixelData3D(type, format, width, height, depth, pixels, internalFormat));
  }
 } else {
  GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, null);
 }
}

function _glTexParameterf(x0, x1, x2) {
 GLctx.texParameterf(x0, x1, x2);
}

function _glTexParameteri(x0, x1, x2) {
 GLctx.texParameteri(x0, x1, x2);
}

function _glTexParameteriv(target, pname, params) {
 var param = HEAP32[params >>> 2];
 GLctx.texParameteri(target, pname, param);
}

function _glTexStorage2D(x0, x1, x2, x3, x4) {
 GLctx.texStorage2D(x0, x1, x2, x3, x4);
}

function _glTexStorage3D(x0, x1, x2, x3, x4, x5) {
 GLctx.texStorage3D(x0, x1, x2, x3, x4, x5);
}

function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels >>> 0);
 } else if (pixels) {
  if (HEAPU8.length <= 2147483648) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >>> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0));
  }
 } else {
  GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
 }
}

function _glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels >>> 0);
 } else if (pixels) {
  if (HEAPU8.length <= 2147483648) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >>> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, emscriptenWebGLGetTexPixelData3D(type, format, width, height, depth, pixels, 0));
  }
 } else {
  GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
 }
}

var miniTempWebGLFloatBuffers = [];

function _glUniform1fv(location, count, value) {
 if (count <= 288) {
  var view = miniTempWebGLFloatBuffers[count - 1];
  for (var i = 0; i < count; ++i) {
   view[i] = HEAPF32[value + 4 * i >>> 2];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 4 >>> 2);
 }
 GLctx.uniform1fv(webglGetUniformLocation(location), view);
}

function _glUniform1i(location, v0) {
 GLctx.uniform1i(webglGetUniformLocation(location), v0);
}

var miniTempWebGLIntBuffers = [];

function _glUniform1iv(location, count, value) {
 if (count <= 288) {
  var view = miniTempWebGLIntBuffers[count - 1];
  for (var i = 0; i < count; ++i) {
   view[i] = HEAP32[value + 4 * i >>> 2];
  }
 } else {
  var view = HEAP32.subarray(value >>> 2, value + count * 4 >>> 2);
 }
 GLctx.uniform1iv(webglGetUniformLocation(location), view);
}

var miniTempWebGLUIntBuffers = [];

function _glUniform1uiv(location, count, value) {
 if (count <= 288) {
  var view = miniTempWebGLUIntBuffers[count - 1];
  for (var i = 0; i < count; ++i) {
   view[i] = HEAPU32[value + 4 * i >>> 2];
  }
 } else {
  var view = HEAPU32.subarray(value >>> 2, value + count * 4 >>> 2);
 }
 GLctx.uniform1uiv(webglGetUniformLocation(location), view);
}

function _glUniform2fv(location, count, value) {
 if (count <= 144) {
  var view = miniTempWebGLFloatBuffers[2 * count - 1];
  for (var i = 0; i < 2 * count; i += 2) {
   view[i] = HEAPF32[value + 4 * i >>> 2];
   view[i + 1] = HEAPF32[value + (4 * i + 4) >>> 2];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 8 >>> 2);
 }
 GLctx.uniform2fv(webglGetUniformLocation(location), view);
}

function _glUniform2iv(location, count, value) {
 if (count <= 144) {
  var view = miniTempWebGLIntBuffers[2 * count - 1];
  for (var i = 0; i < 2 * count; i += 2) {
   view[i] = HEAP32[value + 4 * i >>> 2];
   view[i + 1] = HEAP32[value + (4 * i + 4) >>> 2];
  }
 } else {
  var view = HEAP32.subarray(value >>> 2, value + count * 8 >>> 2);
 }
 GLctx.uniform2iv(webglGetUniformLocation(location), view);
}

function _glUniform2uiv(location, count, value) {
 if (count <= 144) {
  var view = miniTempWebGLUIntBuffers[2 * count - 1];
  for (var i = 0; i < 2 * count; i += 2) {
   view[i] = HEAPU32[value + 4 * i >>> 2];
   view[i + 1] = HEAPU32[value + (4 * i + 4) >>> 2];
  }
 } else {
  var view = HEAPU32.subarray(value >>> 2, value + count * 8 >>> 2);
 }
 GLctx.uniform2uiv(webglGetUniformLocation(location), view);
}

function _glUniform3fv(location, count, value) {
 if (count <= 96) {
  var view = miniTempWebGLFloatBuffers[3 * count - 1];
  for (var i = 0; i < 3 * count; i += 3) {
   view[i] = HEAPF32[value + 4 * i >>> 2];
   view[i + 1] = HEAPF32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAPF32[value + (4 * i + 8) >>> 2];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 12 >>> 2);
 }
 GLctx.uniform3fv(webglGetUniformLocation(location), view);
}

function _glUniform3iv(location, count, value) {
 if (count <= 96) {
  var view = miniTempWebGLIntBuffers[3 * count - 1];
  for (var i = 0; i < 3 * count; i += 3) {
   view[i] = HEAP32[value + 4 * i >>> 2];
   view[i + 1] = HEAP32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAP32[value + (4 * i + 8) >>> 2];
  }
 } else {
  var view = HEAP32.subarray(value >>> 2, value + count * 12 >>> 2);
 }
 GLctx.uniform3iv(webglGetUniformLocation(location), view);
}

function _glUniform3uiv(location, count, value) {
 if (count <= 96) {
  var view = miniTempWebGLUIntBuffers[3 * count - 1];
  for (var i = 0; i < 3 * count; i += 3) {
   view[i] = HEAPU32[value + 4 * i >>> 2];
   view[i + 1] = HEAPU32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAPU32[value + (4 * i + 8) >>> 2];
  }
 } else {
  var view = HEAPU32.subarray(value >>> 2, value + count * 12 >>> 2);
 }
 GLctx.uniform3uiv(webglGetUniformLocation(location), view);
}

function _glUniform4fv(location, count, value) {
 if (count <= 72) {
  var view = miniTempWebGLFloatBuffers[4 * count - 1];
  var heap = HEAPF32;
  value = value >>> 2;
  for (var i = 0; i < 4 * count; i += 4) {
   view[i] = heap[value++ >>> 0];
   view[i + 1] = heap[value++ >>> 0];
   view[i + 2] = heap[value++ >>> 0];
   view[i + 3] = heap[value++ >>> 0];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 16 >>> 2);
 }
 GLctx.uniform4fv(webglGetUniformLocation(location), view);
}

function _glUniform4iv(location, count, value) {
 if (count <= 72) {
  var view = miniTempWebGLIntBuffers[4 * count - 1];
  for (var i = 0; i < 4 * count; i += 4) {
   view[i] = HEAP32[value + 4 * i >>> 2];
   view[i + 1] = HEAP32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAP32[value + (4 * i + 8) >>> 2];
   view[i + 3] = HEAP32[value + (4 * i + 12) >>> 2];
  }
 } else {
  var view = HEAP32.subarray(value >>> 2, value + count * 16 >>> 2);
 }
 GLctx.uniform4iv(webglGetUniformLocation(location), view);
}

function _glUniform4uiv(location, count, value) {
 if (count <= 72) {
  var view = miniTempWebGLUIntBuffers[4 * count - 1];
  for (var i = 0; i < 4 * count; i += 4) {
   view[i] = HEAPU32[value + 4 * i >>> 2];
   view[i + 1] = HEAPU32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAPU32[value + (4 * i + 8) >>> 2];
   view[i + 3] = HEAPU32[value + (4 * i + 12) >>> 2];
  }
 } else {
  var view = HEAPU32.subarray(value >>> 2, value + count * 16 >>> 2);
 }
 GLctx.uniform4uiv(webglGetUniformLocation(location), view);
}

function _glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
 program = GL.programs[program];
 GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
}

function _glUniformMatrix3fv(location, count, transpose, value) {
 if (count <= 32) {
  var view = miniTempWebGLFloatBuffers[9 * count - 1];
  for (var i = 0; i < 9 * count; i += 9) {
   view[i] = HEAPF32[value + 4 * i >>> 2];
   view[i + 1] = HEAPF32[value + (4 * i + 4) >>> 2];
   view[i + 2] = HEAPF32[value + (4 * i + 8) >>> 2];
   view[i + 3] = HEAPF32[value + (4 * i + 12) >>> 2];
   view[i + 4] = HEAPF32[value + (4 * i + 16) >>> 2];
   view[i + 5] = HEAPF32[value + (4 * i + 20) >>> 2];
   view[i + 6] = HEAPF32[value + (4 * i + 24) >>> 2];
   view[i + 7] = HEAPF32[value + (4 * i + 28) >>> 2];
   view[i + 8] = HEAPF32[value + (4 * i + 32) >>> 2];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 36 >>> 2);
 }
 GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
}

function _glUniformMatrix4fv(location, count, transpose, value) {
 if (count <= 18) {
  var view = miniTempWebGLFloatBuffers[16 * count - 1];
  var heap = HEAPF32;
  value = value >>> 2;
  for (var i = 0; i < 16 * count; i += 16) {
   view[i] = heap[value++ >>> 0];
   view[i + 1] = heap[value++ >>> 0];
   view[i + 2] = heap[value++ >>> 0];
   view[i + 3] = heap[value++ >>> 0];
   view[i + 4] = heap[value++ >>> 0];
   view[i + 5] = heap[value++ >>> 0];
   view[i + 6] = heap[value++ >>> 0];
   view[i + 7] = heap[value++ >>> 0];
   view[i + 8] = heap[value++ >>> 0];
   view[i + 9] = heap[value++ >>> 0];
   view[i + 10] = heap[value++ >>> 0];
   view[i + 11] = heap[value++ >>> 0];
   view[i + 12] = heap[value++ >>> 0];
   view[i + 13] = heap[value++ >>> 0];
   view[i + 14] = heap[value++ >>> 0];
   view[i + 15] = heap[value++ >>> 0];
  }
 } else {
  var view = HEAPF32.subarray(value >>> 2, value + count * 64 >>> 2);
 }
 GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
}

function _glUnmapBuffer(target) {
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glUnmapBuffer");
  return 0;
 }
 var buffer = emscriptenWebGLGetBufferBinding(target);
 var mapping = GL.mappedBuffers[buffer];
 if (!mapping) {
  GL.recordError(1282);
  err("buffer was never mapped in glUnmapBuffer");
  return 0;
 }
 GL.mappedBuffers[buffer] = null;
 if (!(mapping.access & 16)) if (GL.currentContext.version >= 2 && HEAPU8.length <= 2147483648) {
  GLctx.bufferSubData(target, mapping.offset >>> 0, HEAPU8, mapping.mem >>> 0, mapping.length >>> 0);
 } else {
  GLctx.bufferSubData(target, mapping.offset >>> 0, HEAPU8.subarray(mapping.mem >>> 0, mapping.mem + mapping.length >>> 0));
 }
 _free(mapping.mem);
 return 1;
}

function webglApplyExplicitProgramBindings() {
 var p = GLctx.currentProgram;
 if (!p.explicitProgramBindingsApplied) {
  if (GL.currentContext.version >= 2) {
   Object.keys(p.explicitUniformBindings).forEach(function(ubo) {
    var bindings = p.explicitUniformBindings[ubo];
    for (var i = 0; i < bindings[1]; ++i) {
     var blockIndex = GLctx.getUniformBlockIndex(p, ubo + (bindings[1] > 1 ? "[" + i + "]" : ""));
     GLctx.uniformBlockBinding(p, blockIndex, bindings[0] + i);
    }
   });
  }
  Object.keys(p.explicitSamplerBindings).forEach(function(sampler) {
   var bindings = p.explicitSamplerBindings[sampler];
   for (var i = 0; i < bindings[1]; ++i) {
    GLctx.uniform1i(GLctx.getUniformLocation(p, sampler + (i ? "[" + i + "]" : "")), bindings[0] + i);
   }
  });
  p.explicitProgramBindingsApplied = 1;
 }
}

function _glUseProgram(program) {
 program = GL.programs[program];
 GLctx.useProgram(program);
 if (GLctx.currentProgram = program) {
  webglApplyExplicitProgramBindings();
 }
}

function _glValidateProgram(program) {
 GLctx.validateProgram(GL.programs[program]);
}

function _glVertexAttrib4f(x0, x1, x2, x3, x4) {
 GLctx.vertexAttrib4f(x0, x1, x2, x3, x4);
}

function _glVertexAttrib4fv(index, v) {
 v = v >>> 2;
 GLctx.vertexAttrib4f(index, HEAPF32[v >>> 0], HEAPF32[v + 1 >>> 0], HEAPF32[v + 2 >>> 0], HEAPF32[v + 3 >>> 0]);
}

function _glVertexAttribIPointer(index, size, type, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = false;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribIPointer(index, size >>> 0, type, stride >>> 0, ptr >>> 0);
  };
  return;
 }
 cb.clientside = false;
 GLctx.vertexAttribIPointer(index, size >>> 0, type, stride >>> 0, ptr >>> 0);
}

function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = normalized;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
  };
  return;
 }
 cb.clientside = false;
 GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}

function _glViewport(x0, x1, x2, x3) {
 GLctx.viewport(x0, x1, x2, x3);
}

var GPUTextureAndVertexFormats = [ , "r8unorm", "r8snorm", "r8uint", "r8sint", "r16unorm", "r16snorm", "r16uint", "r16sint", "r16float", "rg8unorm", "rg8snorm", "rg8uint", "rg8sint", "r32uint", "r32sint", "r32float", "rg16unorm", "rg16snorm", "rg16uint", "rg16sint", "rg16float", "rgba8unorm", "rgba8unorm-srgb", "rgba8snorm", "rgba8uint", "rgba8sint", "bgra8unorm", "bgra8unorm-srgb", "rgb9e5ufloat", "rgb10a2uint", "rgb10a2unorm", "rg11b10ufloat", "rg32uint", "rg32sint", "rg32float", "rgba16unorm", "rgba16snorm", "rgba16uint", "rgba16sint", "rgba16float", "rgba32uint", "rgba32sint", "rgba32float", "stencil8", "depth16unorm", "depth24plus", "depth24plus-stencil8", "depth32float", "depth32float-stencil8", "bc1-rgba-unorm", "bc1-rgba-unorm-srgb", "bc2-rgba-unorm", "bc2-rgba-unorm-srgb", "bc3-rgba-unorm", "bc3-rgba-unorm-srgb", "bc4-r-unorm", "bc4-r-snorm", "bc5-rg-unorm", "bc5-rg-snorm", "bc6h-rgb-ufloat", "bc6h-rgb-float", "bc7-rgba-unorm", "bc7-rgba-unorm-srgb", "etc2-rgb8unorm", "etc2-rgb8unorm-srgb", "etc2-rgb8a1unorm", "etc2-rgb8a1unorm-srgb", "etc2-rgba8unorm", "etc2-rgba8unorm-srgb", "eac-r11unorm", "eac-r11snorm", "eac-rg11unorm", "eac-rg11snorm", "astc-4x4-unorm", "astc-4x4-unorm-srgb", "astc-5x4-unorm", "astc-5x4-unorm-srgb", "astc-5x5-unorm", "astc-5x5-unorm-srgb", "astc-6x5-unorm", "astc-6x5-unorm-srgb", "astc-6x6-unorm", "astc-6x6-unorm-srgb", "astc-8x5-unorm", "astc-8x5-unorm-srgb", "astc-8x6-unorm", "astc-8x6-unorm-srgb", "astc-8x8-unorm", "astc-8x8-unorm-srgb", "astc-10x5-unorm", "astc-10x5-unorm-srgb", "astc-10x6-unorm", "astc-10x6-unorm-srgb", "astc-10x8-unorm", "astc-10x8-unorm-srgb", "astc-10x10-unorm", "astc-10x10-unorm-srgb", "astc-12x10-unorm", "astc-12x10-unorm-srgb", "astc-12x12-unorm", "astc-12x12-unorm-srgb", "uint8", "uint8x2", "uint8x4", "sint8", "sint8x2", "sint8x4", "unorm8", "unorm8x2", "unorm8x4", "snorm8", "snorm8x2", "snorm8x4", "uint16", "uint16x2", "uint16x4", "sint16", "sint16x2", "sint16x4", "unorm16", "unorm16x2", "unorm16x4", "snorm16", "snorm16x2", "snorm16x4", "float16", "float16x2", "float16x4", "float32", "float32x2", "float32x3", "float32x4", "uint32", "uint32x2", "uint32x3", "uint32x4", "sint32", "sint32x2", "sint32x3", "sint32x4", "unorm10-10-10-2", "unorm8x4-bgra" ];

function _navigator_gpu_get_preferred_canvas_format() {
 assert(navigator["gpu"], "Your browser does not support WebGPU!", "assert(navigator['gpu'], 'Your browser does not support WebGPU!') failed!");
 assert(GPUTextureAndVertexFormats.includes(navigator["gpu"]["getPreferredCanvasFormat"]()), "assert(GPUTextureAndVertexFormats.includes(navigator['gpu']['getPreferredCanvasFormat']())) failed!");
 return GPUTextureAndVertexFormats.indexOf(navigator["gpu"]["getPreferredCanvasFormat"]());
}

var wgpuIdCounter = 2;

function wgpuStore(object) {
 if (object) {
  while (wgpu[wgpuIdCounter]) wgpuIdCounter = wgpuIdCounter < 2147483647 ? wgpuIdCounter + 1 : 2;
  wgpu[wgpuIdCounter] = object;
  object.wid = wgpuIdCounter;
  return wgpuIdCounter++;
 }
}

function _wgpuMuteJsExceptions(fn) {
 return p => {
  try {
   return fn(p);
  } catch (e) {}
 };
}

function wgpuReadAdapterOptions(options) {
 return options ? {
  "featureLevel": [ , "compatibility" ][HEAPU32[options >>> 0]],
  "powerPreference": [ , "low-power", "high-performance" ][HEAPU32[options + 1 >>> 0]],
  "forceFallbackAdapter": !!HEAPU32[options + 2 >>> 0],
  "xrCompatible": !!HEAPU32[options + 3 >>> 0]
 } : {};
}

function _navigator_gpu_request_adapter_async(options, adapterCallback, userData) {
 assert(adapterCallback, "must pass a callback function to navigator_gpu_request_adapter_async!", "assert(adapterCallback, 'must pass a callback function to navigator_gpu_request_adapter_async!') failed!");
 assert(navigator["gpu"], "Your browser does not support WebGPU!", "assert(navigator['gpu'], 'Your browser does not support WebGPU!') failed!");
 assert(options != 0, "assert(options != 0) failed!");
 assert((options >>> 0) % 4 == 0, "Unaligned pointer fault!");
 options >>>= 2;
 let gpu = navigator["gpu"], opts = wgpuReadAdapterOptions(options);
 if (gpu) {
  let cb = adapter => {
   getWasmTableEntry(adapterCallback)(wgpuStore(adapter), userData);
  };
  gpu["requestAdapter"](opts).then(_wgpuMuteJsExceptions(cb)).catch(e => {
   console.error(`navigator.gpu.requestAdapter() Promise rejected: ${e}`);
   cb();
  });
  return 1;
 }
}

function arraySum(array, index) {
 var sum = 0;
 for (var i = 0; i <= index; sum += array[i++]) {}
 return sum;
}

var MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

var MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

function addDays(date, days) {
 var newDate = new Date(date.getTime());
 while (days > 0) {
  var leap = isLeapYear(newDate.getFullYear());
  var currentMonth = newDate.getMonth();
  var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth];
  if (days > daysInCurrentMonth - newDate.getDate()) {
   days -= daysInCurrentMonth - newDate.getDate() + 1;
   newDate.setDate(1);
   if (currentMonth < 11) {
    newDate.setMonth(currentMonth + 1);
   } else {
    newDate.setMonth(0);
    newDate.setFullYear(newDate.getFullYear() + 1);
   }
  } else {
   newDate.setDate(newDate.getDate() + days);
   return newDate;
  }
 }
 return newDate;
}

function writeArrayToMemory(array, buffer) {
 assert(array.length >= 0, "writeArrayToMemory array must have a length (should be an array or typed array)");
 HEAP8.set(array, buffer >>> 0);
}

function _strftime(s, maxsize, format, tm) {
 var tm_zone = HEAP32[tm + 40 >>> 2];
 var date = {
  tm_sec: HEAP32[tm >>> 2],
  tm_min: HEAP32[tm + 4 >>> 2],
  tm_hour: HEAP32[tm + 8 >>> 2],
  tm_mday: HEAP32[tm + 12 >>> 2],
  tm_mon: HEAP32[tm + 16 >>> 2],
  tm_year: HEAP32[tm + 20 >>> 2],
  tm_wday: HEAP32[tm + 24 >>> 2],
  tm_yday: HEAP32[tm + 28 >>> 2],
  tm_isdst: HEAP32[tm + 32 >>> 2],
  tm_gmtoff: HEAP32[tm + 36 >>> 2],
  tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
 };
 var pattern = UTF8ToString(format);
 var EXPANSION_RULES_1 = {
  "%c": "%a %b %d %H:%M:%S %Y",
  "%D": "%m/%d/%y",
  "%F": "%Y-%m-%d",
  "%h": "%b",
  "%r": "%I:%M:%S %p",
  "%R": "%H:%M",
  "%T": "%H:%M:%S",
  "%x": "%m/%d/%y",
  "%X": "%H:%M:%S",
  "%Ec": "%c",
  "%EC": "%C",
  "%Ex": "%m/%d/%y",
  "%EX": "%H:%M:%S",
  "%Ey": "%y",
  "%EY": "%Y",
  "%Od": "%d",
  "%Oe": "%e",
  "%OH": "%H",
  "%OI": "%I",
  "%Om": "%m",
  "%OM": "%M",
  "%OS": "%S",
  "%Ou": "%u",
  "%OU": "%U",
  "%OV": "%V",
  "%Ow": "%w",
  "%OW": "%W",
  "%Oy": "%y"
 };
 for (var rule in EXPANSION_RULES_1) {
  pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
 }
 var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
 var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
 function leadingSomething(value, digits, character) {
  var str = typeof value == "number" ? value.toString() : value || "";
  while (str.length < digits) {
   str = character[0] + str;
  }
  return str;
 }
 function leadingNulls(value, digits) {
  return leadingSomething(value, digits, "0");
 }
 function compareByDay(date1, date2) {
  function sgn(value) {
   return value < 0 ? -1 : value > 0 ? 1 : 0;
  }
  var compare;
  if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
   if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
    compare = sgn(date1.getDate() - date2.getDate());
   }
  }
  return compare;
 }
 function getFirstWeekStartDate(janFourth) {
  switch (janFourth.getDay()) {
  case 0:
   return new Date(janFourth.getFullYear() - 1, 11, 29);

  case 1:
   return janFourth;

  case 2:
   return new Date(janFourth.getFullYear(), 0, 3);

  case 3:
   return new Date(janFourth.getFullYear(), 0, 2);

  case 4:
   return new Date(janFourth.getFullYear(), 0, 1);

  case 5:
   return new Date(janFourth.getFullYear() - 1, 11, 31);

  case 6:
   return new Date(janFourth.getFullYear() - 1, 11, 30);
  }
 }
 function getWeekBasedYear(date) {
  var thisDate = addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
    return thisDate.getFullYear() + 1;
   }
   return thisDate.getFullYear();
  }
  return thisDate.getFullYear() - 1;
 }
 var EXPANSION_RULES_2 = {
  "%a": function(date) {
   return WEEKDAYS[date.tm_wday].substring(0, 3);
  },
  "%A": function(date) {
   return WEEKDAYS[date.tm_wday];
  },
  "%b": function(date) {
   return MONTHS[date.tm_mon].substring(0, 3);
  },
  "%B": function(date) {
   return MONTHS[date.tm_mon];
  },
  "%C": function(date) {
   var year = date.tm_year + 1900;
   return leadingNulls(year / 100 | 0, 2);
  },
  "%d": function(date) {
   return leadingNulls(date.tm_mday, 2);
  },
  "%e": function(date) {
   return leadingSomething(date.tm_mday, 2, " ");
  },
  "%g": function(date) {
   return getWeekBasedYear(date).toString().substring(2);
  },
  "%G": function(date) {
   return getWeekBasedYear(date);
  },
  "%H": function(date) {
   return leadingNulls(date.tm_hour, 2);
  },
  "%I": function(date) {
   var twelveHour = date.tm_hour;
   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
   return leadingNulls(twelveHour, 2);
  },
  "%j": function(date) {
   return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year + 1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
  },
  "%m": function(date) {
   return leadingNulls(date.tm_mon + 1, 2);
  },
  "%M": function(date) {
   return leadingNulls(date.tm_min, 2);
  },
  "%n": function() {
   return "\n";
  },
  "%p": function(date) {
   if (date.tm_hour >= 0 && date.tm_hour < 12) {
    return "AM";
   }
   return "PM";
  },
  "%S": function(date) {
   return leadingNulls(date.tm_sec, 2);
  },
  "%t": function() {
   return "\t";
  },
  "%u": function(date) {
   return date.tm_wday || 7;
  },
  "%U": function(date) {
   var days = date.tm_yday + 7 - date.tm_wday;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%V": function(date) {
   var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7) / 7);
   if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
    val++;
   }
   if (!val) {
    val = 52;
    var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
    if (dec31 == 4 || dec31 == 5 && isLeapYear(date.tm_year % 400 - 1)) {
     val++;
    }
   } else if (val == 53) {
    var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
    if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year))) val = 1;
   }
   return leadingNulls(val, 2);
  },
  "%w": function(date) {
   return date.tm_wday;
  },
  "%W": function(date) {
   var days = date.tm_yday + 7 - (date.tm_wday + 6) % 7;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%y": function(date) {
   return (date.tm_year + 1900).toString().substring(2);
  },
  "%Y": function(date) {
   return date.tm_year + 1900;
  },
  "%z": function(date) {
   var off = date.tm_gmtoff;
   var ahead = off >= 0;
   off = Math.abs(off) / 60;
   off = off / 60 * 100 + off % 60;
   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
  },
  "%Z": function(date) {
   return date.tm_zone;
  },
  "%%": function() {
   return "%";
  }
 };
 pattern = pattern.replace(/%%/g, "\0\0");
 for (var rule in EXPANSION_RULES_2) {
  if (pattern.includes(rule)) {
   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
  }
 }
 pattern = pattern.replace(/\0\0/g, "%");
 var bytes = intArrayFromString(pattern, false);
 if (bytes.length > maxsize) {
  return 0;
 }
 writeArrayToMemory(bytes, s);
 return bytes.length - 1;
}

function _strftime_l(s, maxsize, format, tm, loc) {
 return _strftime(s, maxsize, format, tm);
}

var _wgpuFeatures = [ "core-features-and-limits", "depth-clip-control", "depth32float-stencil8", "texture-compression-bc", "texture-compression-bc-sliced-3d", "texture-compression-etc2", "texture-compression-astc", "texture-compression-astc-sliced-3d", "timestamp-query", "indirect-first-instance", "shader-f16", "rg11b10ufloat-renderable", "bgra8unorm-storage", "float32-filterable", "float32-blendable", "clip-distances", "dual-source-blending", "subgroups", "texture-formats-tier1", "texture-formats-tier2", "primitive-index", "texture-component-swizzle" ];

function _wgpu_adapter_or_device_get_features(adapterOrDevice) {
 assert(adapterOrDevice != 0, "assert(adapterOrDevice != 0) failed!");
 assert(wgpu[adapterOrDevice], "assert(wgpu[adapterOrDevice]) failed!");
 assert(wgpu[adapterOrDevice] instanceof GPUAdapter || wgpu[adapterOrDevice] instanceof GPUDevice, "assert(wgpu[adapterOrDevice] instanceof GPUAdapter || wgpu[adapterOrDevice] instanceof GPUDevice) failed!");
 let featuresBitMask = 0;
 _wgpuFeatures.forEach((feature, i) => {
  if (wgpu[adapterOrDevice]["features"].has(feature)) {
   featuresBitMask |= 1 << i;
  }
 });
 return featuresBitMask;
}

var _wgpu32BitLimitNames = [ "maxTextureDimension1D", "maxTextureDimension2D", "maxTextureDimension3D", "maxTextureArrayLayers", "maxBindGroups", "maxBindGroupsPlusVertexBuffers", "maxBindingsPerBindGroup", "maxDynamicUniformBuffersPerPipelineLayout", "maxDynamicStorageBuffersPerPipelineLayout", "maxSampledTexturesPerShaderStage", "maxSamplersPerShaderStage", "maxStorageBuffersPerShaderStage", "maxStorageBuffersInVertexStage", "maxStorageBuffersInFragmentStage", "maxStorageTexturesPerShaderStage", "maxStorageTexturesInVertexStage", "maxStorageTexturesInFragmentStage", "maxUniformBuffersPerShaderStage", "minUniformBufferOffsetAlignment", "minStorageBufferOffsetAlignment", "maxVertexBuffers", "maxVertexAttributes", "maxVertexBufferArrayStride", "maxInterStageShaderVariables", "maxColorAttachments", "maxColorAttachmentBytesPerSample", "maxComputeWorkgroupStorageSize", "maxComputeInvocationsPerWorkgroup", "maxComputeWorkgroupSizeX", "maxComputeWorkgroupSizeY", "maxComputeWorkgroupSizeZ", "maxComputeWorkgroupsPerDimension" ];

var _wgpu64BitLimitNames = [ "maxUniformBufferBindingSize", "maxStorageBufferBindingSize", "maxBufferSize" ];

function wgpuWriteI53ToU64HeapIdx(heap32Idx, number) {
 assert(heap32Idx != 0, "assert(heap32Idx != 0) failed!");
 assert(heap32Idx % 2 == 0, "assert(heap32Idx % 2 == 0) failed!");
 HEAPU64[heap32Idx >>> 1] = BigInt(number);
}

function _wgpu_adapter_or_device_get_limits(adapterOrDevice, limits) {
 assert(limits != 0, "passed a null limits struct pointer", "assert(limits != 0, 'passed a null limits struct pointer') failed!");
 assert(adapterOrDevice != 0, "assert(adapterOrDevice != 0) failed!");
 assert(wgpu[adapterOrDevice], "assert(wgpu[adapterOrDevice]) failed!");
 assert(wgpu[adapterOrDevice] instanceof GPUAdapter || wgpu[adapterOrDevice] instanceof GPUDevice, "assert(wgpu[adapterOrDevice] instanceof GPUAdapter || wgpu[adapterOrDevice] instanceof GPUDevice) failed!");
 let l = wgpu[adapterOrDevice]["limits"];
 assert((limits >>> 0) % 4 == 0, "Unaligned pointer fault!");
 limits >>>= 2;
 for (let limitName of _wgpu64BitLimitNames) {
  assert(l[limitName] !== undefined, `Browser WebGPU implementation incorrect: it should advertise limit ${limitName}`, "assert(l[limitName] !== undefined, `Browser WebGPU implementation incorrect: it should advertise limit ${limitName}`) failed!");
  wgpuWriteI53ToU64HeapIdx(limits, l[limitName]);
  limits += 2;
 }
 for (let limitName of _wgpu32BitLimitNames) {
  HEAPU32[limits++ >>> 0] = l[limitName];
 }
}

function wgpuLinkParentAndChild(parent, childId, child) {
 child.parentObject = parent;
 (parent.derivedObjects = parent.derivedObjects || new Map()).set(childId, child);
}

function wgpuStoreAndSetParent(object, parent) {
 if (object) {
  var objectId = wgpuStore(object);
  wgpuLinkParentAndChild(parent, objectId, object);
  return objectId;
 }
}

function wgpuReadI53FromU64HeapIdx(heap32Idx) {
 assert(heap32Idx != 0, "assert(heap32Idx != 0) failed!");
 assert(heap32Idx % 2 == 0, "assert(heap32Idx % 2 == 0) failed!");
 return Number(HEAPU64[heap32Idx >>> 1]);
}

function wgpuReadSupportedLimits(heap32Idx) {
 let requiredLimits = {}, v;
 assert(_wgpu64BitLimitNames.length == 3, `Internal error: Number of uint64_t limit fields is not correct.`, "assert(_wgpu64BitLimitNames.length == 3, `Internal error: Number of uint64_t limit fields is not correct.`) failed!");
 assert(_wgpu32BitLimitNames.length == 32, `Internal error: Number of uint32_t limit fields is not correct.`, "assert(_wgpu32BitLimitNames.length == 32, `Internal error: Number of uint32_t limit fields is not correct.`) failed!");
 for (let limitName of _wgpu64BitLimitNames) {
  if (v = wgpuReadI53FromU64HeapIdx(heap32Idx)) requiredLimits[limitName] = v;
  heap32Idx += 2;
 }
 for (let limitName of _wgpu32BitLimitNames) {
  if (v = HEAPU32[heap32Idx++ >>> 0]) requiredLimits[limitName] = v;
 }
 return requiredLimits;
}

function wgpuReadQueueDescriptor(heap32Idx) {
 let v = HEAPU32[heap32Idx >>> 0];
 return v ? {
  "label": utf8(v)
 } : void 0;
}

function wgpuReadFeaturesBitfield(heap32Idx) {
 let requiredFeatures = [], v = HEAPU32[heap32Idx >>> 0];
 assert(_wgpuFeatures.length == 22, "assert(_wgpuFeatures.length == 22) failed!");
 assert(_wgpuFeatures.length <= 30, "assert(_wgpuFeatures.length <= 30) failed!");
 _wgpuFeatures.forEach((f, i) => {
  if (v & 1 << i) requiredFeatures.push(f);
 });
 return requiredFeatures;
}

function wgpuReadDeviceDescriptor(descriptor) {
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 return {
  "requiredLimits": wgpuReadSupportedLimits(descriptor),
  "defaultQueue": wgpuReadQueueDescriptor(descriptor + 38),
  "requiredFeatures": wgpuReadFeaturesBitfield(descriptor + 40)
 };
}

function _wgpu_adapter_request_device_async(adapter, descriptor, deviceCallback, userData) {
 assert(adapter != 0, "assert(adapter != 0) failed!");
 assert(wgpu[adapter], "assert(wgpu[adapter]) failed!");
 assert(wgpu[adapter] instanceof GPUAdapter, "assert(wgpu[adapter] instanceof GPUAdapter) failed!");
 adapter = wgpu[adapter];
 let cb = device => {
  if (device) wgpuStoreAndSetParent(device["queue"], device);
  getWasmTableEntry(deviceCallback)(wgpuStoreAndSetParent(device, adapter), userData);
 };
 let desc = wgpuReadDeviceDescriptor(descriptor);
 adapter["requestDevice"](desc).then(_wgpuMuteJsExceptions(cb)).catch(e => {
  console.error(`GPUAdapter.requestDevice() Promise rejected: ${e}`);
  cb();
 });
}

function _wgpu_buffer_get_mapped_range(gpuBuffer, offset, size) {
 assert(gpuBuffer != 0, "assert(gpuBuffer != 0) failed!");
 assert(wgpu[gpuBuffer], "assert(wgpu[gpuBuffer]) failed!");
 assert(wgpu[gpuBuffer] instanceof GPUBuffer, "assert(wgpu[gpuBuffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(offset), "assert(Number.isSafeInteger(offset)) failed!");
 assert(offset >= 0, "assert(offset >= 0) failed!");
 assert(Number.isSafeInteger(size), "assert(Number.isSafeInteger(size)) failed!");
 assert(size >= -1, "assert(size >= -1) failed!");
 gpuBuffer = wgpu[gpuBuffer];
 try {
  gpuBuffer.mappedRanges[offset] = gpuBuffer["getMappedRange"](offset, size < 0 ? void 0 : size);
 } catch (e) {
  return -1;
 }
 return offset;
}

function _wgpu_buffer_map_async(buffer, callback, userData, mode, offset, size) {
 assert(buffer != 0, "assert(buffer != 0) failed!");
 assert(wgpu[buffer], "assert(wgpu[buffer]) failed!");
 assert(wgpu[buffer] instanceof GPUBuffer, "assert(wgpu[buffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(offset), "assert(Number.isSafeInteger(offset)) failed!");
 assert(offset >= 0, "assert(offset >= 0) failed!");
 assert(Number.isSafeInteger(size), "assert(Number.isSafeInteger(size)) failed!");
 assert(size >= -1, "assert(size >= -1) failed!");
 wgpu[buffer]["mapAsync"](mode, offset, size < 0 ? void 0 : size).then(() => getWasmTableEntry(callback)(buffer, userData, mode, offset, size));
}

function _wgpu_buffer_read_mapped_range(gpuBuffer, startOffset, subOffset, dst, size) {
 assert(gpuBuffer != 0, "assert(gpuBuffer != 0) failed!");
 assert(wgpu[gpuBuffer], "assert(wgpu[gpuBuffer]) failed!");
 assert(wgpu[gpuBuffer] instanceof GPUBuffer, "assert(wgpu[gpuBuffer] instanceof GPUBuffer) failed!");
 assert(wgpu[gpuBuffer].mappedRanges[startOffset], "assert(wgpu[gpuBuffer].mappedRanges[startOffset]) failed!");
 assert(Number.isSafeInteger(startOffset), "assert(Number.isSafeInteger(startOffset)) failed!");
 assert(startOffset >= 0, "assert(startOffset >= 0) failed!");
 assert(Number.isSafeInteger(subOffset), "assert(Number.isSafeInteger(subOffset)) failed!");
 assert(subOffset >= 0, "assert(subOffset >= 0) failed!");
 assert(Number.isSafeInteger(size), "assert(Number.isSafeInteger(size)) failed!");
 assert(size >= 0, "assert(size >= 0) failed!");
 assert(dst || size == 0, "assert(dst || size == 0) failed!");
 HEAPU8.set(new Uint8Array(wgpu[gpuBuffer].mappedRanges[startOffset], subOffset, size), wgpu_checked_shift(dst, 0) >>> 0);
}

function _wgpu_buffer_unmap(gpuBuffer) {
 assert(gpuBuffer != 0, "assert(gpuBuffer != 0) failed!");
 assert(wgpu[gpuBuffer], "assert(wgpu[gpuBuffer]) failed!");
 assert(wgpu[gpuBuffer] instanceof GPUBuffer, "assert(wgpu[gpuBuffer] instanceof GPUBuffer) failed!");
 gpuBuffer = wgpu[gpuBuffer];
 gpuBuffer["unmap"]();
 gpuBuffer.mappedRanges = {};
}

var HTMLPredefinedColorSpaces = [ , "srgb", "srgb-linear", "display-p3", "display-p3-linear" ];

function wgpuReadArrayOfItemsMaybeNull(itemDict, ptr, numItems) {
 assert(numItems >= 0, "assert(numItems >= 0) failed!");
 assert(ptr != 0 || numItems == 0, "assert(ptr != 0 || numItems == 0) failed!");
 assert((ptr >>> 0) % 4 == 0, "Unaligned pointer fault!");
 ptr >>>= 2;
 return Array.from({
  length: numItems
 }, () => itemDict[HEAPU32[ptr++ >>> 0]]);
}

function wgpuReadArrayOfItems(itemDict, ptr, numItems) {
 var idx = wgpu_checked_shift(ptr, 2);
 for (var i = 0; i < numItems; ++i) {
  assert(HEAPU32[idx + i >>> 0], "assert(HEAPU32[idx+i]) failed!");
  assert(itemDict[HEAPU32[idx + i >>> 0]], "assert(itemDict[HEAPU32[idx+i]]) failed!");
 }
 return wgpuReadArrayOfItemsMaybeNull(itemDict, ptr, numItems);
}

var GPUCanvasToneMappingModes = [ , "standard", "extended" ];

var GPUCanvasAlphaModes = [ , "opaque", "premultiplied" ];

function _wgpu_canvas_context_configure(canvasContext, config) {
 assert(canvasContext != 0, "assert(canvasContext != 0) failed!");
 assert(wgpu[canvasContext], "assert(wgpu[canvasContext]) failed!");
 assert(wgpu[canvasContext] instanceof GPUCanvasContext, "assert(wgpu[canvasContext] instanceof GPUCanvasContext) failed!");
 assert(config != 0, "assert(config != 0) failed!");
 assert((config >>> 0) % 4 == 0, "Unaligned pointer fault!");
 config >>>= 2;
 let desc = {
  "device": wgpu[HEAPU32[config >>> 0]],
  "format": GPUTextureAndVertexFormats[HEAPU32[config + 1 >>> 0]],
  "usage": HEAPU32[config + 2 >>> 0],
  "viewFormats": wgpuReadArrayOfItems(GPUTextureAndVertexFormats, HEAPU32[config + 4 >>> 0], HEAPU32[config + 3 >>> 0]),
  "colorSpace": HTMLPredefinedColorSpaces[HEAPU32[config + 6 >>> 0]],
  "toneMapping": {
   "mode": GPUCanvasToneMappingModes[HEAPU32[config + 7 >>> 0]]
  },
  "alphaMode": GPUCanvasAlphaModes[HEAPU32[config + 8 >>> 0]]
 };
 wgpu[canvasContext]["configure"](desc);
}

function _wgpu_object_destroy(object) {
 let o = wgpu[object];
 assert(o || !wgpu.hasOwnProperty(object), "wgpu dictionary should never be storing key-values with null/undefined value in it", "assert(o || !wgpu.hasOwnProperty(object), 'wgpu dictionary should never be storing key-values with null/undefined value in it') failed!");
 if (o) {
  o.wid = 0;
  if (o["destroy"]) o["destroy"]();
  if (o.derivedObjects) o.derivedObjects.forEach((_, k) => _wgpu_object_destroy(k));
  if (o.parentObject) o.parentObject.derivedObjects.delete(object);
  delete wgpu[object];
 }
 assert(!wgpu.hasOwnProperty(object), "object should have gotten deleted", "assert(!wgpu.hasOwnProperty(object), 'object should have gotten deleted') failed!");
}

function _wgpu_canvas_context_get_current_texture(canvasContext) {
 assert(canvasContext != 0, "assert(canvasContext != 0) failed!");
 assert(wgpu[canvasContext], "assert(wgpu[canvasContext]) failed!");
 assert(wgpu[canvasContext] instanceof GPUCanvasContext, "assert(wgpu[canvasContext] instanceof GPUCanvasContext) failed!");
 canvasContext = wgpu[canvasContext];
 var canvasTexture = canvasContext["getCurrentTexture"]();
 assert(canvasTexture, "assert(canvasTexture) failed!");
 if (canvasTexture != wgpu[1]) {
  _wgpu_object_destroy(1);
  wgpu[1] = canvasTexture;
  canvasTexture.wid = 1;
  wgpuLinkParentAndChild(canvasContext, 1, canvasTexture);
 }
 return 1;
}

function _wgpu_canvas_get_webgpu_context(canvasSelector) {
 assert(canvasSelector, "assert(canvasSelector) failed!");
 let canvas = document.querySelector(utf8(canvasSelector));
 let ctx = canvas.getContext("webgpu");
 if (ctx.wid) return ctx.wid;
 return wgpuStore(ctx);
}

function wgpuReadTimestampWrites(timestampWritesIndex) {
 let querySet = HEAPU32[timestampWritesIndex >>> 0];
 if (querySet) {
  let timestampWrites = {
   "querySet": wgpu[querySet]
  }, i;
  if ((i = HEAP32[timestampWritesIndex + 1 >>> 0]) >= 0) timestampWrites["beginningOfPassWriteIndex"] = i;
  if ((i = HEAP32[timestampWritesIndex + 2 >>> 0]) >= 0) timestampWrites["endOfPassWriteIndex"] = i;
  return timestampWrites;
 }
}

function _wgpu_command_encoder_begin_compute_pass(commandEncoder, descriptor) {
 assert(commandEncoder != 0, "assert(commandEncoder != 0) failed!");
 assert(wgpu[commandEncoder], "assert(wgpu[commandEncoder]) failed!");
 assert(wgpu[commandEncoder] instanceof GPUCommandEncoder, "assert(wgpu[commandEncoder] instanceof GPUCommandEncoder) failed!");
 commandEncoder = wgpu[commandEncoder];
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 let desc = descriptor ? {
  "timestampWrites": wgpuReadTimestampWrites(descriptor)
 } : void 0;
 return wgpuStore(commandEncoder["beginComputePass"](desc));
}

var GPULoadOps = [ , "load", "clear" ];

var GPUStoreOps = [ , "store", "discard" ];

function wgpuReadRenderPassDepthStencilAttachment(heap32Idx) {
 let v = HEAPU32[heap32Idx >>> 0];
 return v ? {
  "view": wgpu[v],
  "depthLoadOp": GPULoadOps[HEAPU32[heap32Idx + 1 >>> 0]],
  "depthClearValue": HEAPF32[heap32Idx + 2 >>> 0],
  "depthStoreOp": GPUStoreOps[HEAPU32[heap32Idx + 3 >>> 0]],
  "depthReadOnly": !!HEAPU32[heap32Idx + 4 >>> 0],
  "stencilLoadOp": GPULoadOps[HEAPU32[heap32Idx + 5 >>> 0]],
  "stencilClearValue": HEAPU32[heap32Idx + 6 >>> 0],
  "stencilStoreOp": GPUStoreOps[HEAPU32[heap32Idx + 7 >>> 0]],
  "stencilReadOnly": !!HEAPU32[heap32Idx + 8 >>> 0]
 } : void 0;
}

function _wgpu_command_encoder_begin_render_pass(commandEncoder, descriptor) {
 assert(commandEncoder != 0, "assert(commandEncoder != 0) failed!");
 assert(wgpu[commandEncoder], "assert(wgpu[commandEncoder]) failed!");
 assert(wgpu[commandEncoder] instanceof GPUCommandEncoder, "assert(wgpu[commandEncoder] instanceof GPUCommandEncoder) failed!");
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 let colorAttachments = [], numColorAttachments = HEAP32[descriptor + 4 >>> 0], colorAttachmentsIdx = wgpu_checked_shift(HEAPU32[descriptor + 2 >>> 0], 2), colorAttachmentsIdxDbl = colorAttachmentsIdx + 6 >>> 1, maxDrawCount = HEAPF64[descriptor >>> 1 >>> 0], depthStencilAttachment = HEAPU32[descriptor + 5 >>> 0];
 assert(Number.isSafeInteger(maxDrawCount), "assert(Number.isSafeInteger(maxDrawCount)) failed!");
 assert(maxDrawCount >= 0, "assert(maxDrawCount >= 0) failed!");
 assert(colorAttachmentsIdx % 2 == 0, "assert(colorAttachmentsIdx % 2 == 0) failed!");
 assert(depthStencilAttachment == 0 || wgpu[depthStencilAttachment] instanceof GPUTexture || wgpu[depthStencilAttachment] instanceof GPUTextureView, "assert(depthStencilAttachment == 0 || wgpu[depthStencilAttachment] instanceof GPUTexture || wgpu[depthStencilAttachment] instanceof GPUTextureView) failed!");
 assert(numColorAttachments >= 0, "assert(numColorAttachments >= 0) failed!");
 while (numColorAttachments--) {
  let v = HEAPU32[colorAttachmentsIdx >>> 0], ds = HEAP32[colorAttachmentsIdx + 1 >>> 0];
  colorAttachments.push(v ? {
   "view": wgpu[v],
   "depthSlice": ds < 0 ? void 0 : ds,
   "resolveTarget": wgpu[HEAPU32[colorAttachmentsIdx + 2 >>> 0]],
   "storeOp": GPUStoreOps[HEAPU32[colorAttachmentsIdx + 3 >>> 0]],
   "loadOp": GPULoadOps[HEAPU32[colorAttachmentsIdx + 4 >>> 0]],
   "clearValue": [ HEAPF64[colorAttachmentsIdxDbl >>> 0], HEAPF64[colorAttachmentsIdxDbl + 1 >>> 0], HEAPF64[colorAttachmentsIdxDbl + 2 >>> 0], HEAPF64[colorAttachmentsIdxDbl + 3 >>> 0] ]
  } : null);
  colorAttachmentsIdx += 14;
  colorAttachmentsIdxDbl += 7;
 }
 let desc = {
  "colorAttachments": colorAttachments,
  "depthStencilAttachment": wgpuReadRenderPassDepthStencilAttachment(descriptor + 5),
  "occlusionQuerySet": wgpu[HEAPU32[descriptor + 14 >>> 0]],
  "maxDrawCount": maxDrawCount || void 0,
  "timestampWrites": wgpuReadTimestampWrites(descriptor + 15)
 };
 return wgpuStore(wgpu[commandEncoder]["beginRenderPass"](desc));
}

function _wgpu_command_encoder_copy_buffer_to_buffer(commandEncoder, source, sourceOffset, destination, destinationOffset, size) {
 assert(commandEncoder != 0, "assert(commandEncoder != 0) failed!");
 assert(wgpu[commandEncoder], "assert(wgpu[commandEncoder]) failed!");
 assert(wgpu[commandEncoder] instanceof GPUCommandEncoder, "assert(wgpu[commandEncoder] instanceof GPUCommandEncoder) failed!");
 assert(wgpu[source] instanceof GPUBuffer, "assert(wgpu[source] instanceof GPUBuffer) failed!");
 assert(wgpu[destination] instanceof GPUBuffer, "assert(wgpu[destination] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(sourceOffset), "assert(Number.isSafeInteger(sourceOffset)) failed!");
 assert(sourceOffset >= 0, "assert(sourceOffset >= 0) failed!");
 assert(Number.isSafeInteger(destinationOffset), "assert(Number.isSafeInteger(destinationOffset)) failed!");
 assert(destinationOffset >= 0, "assert(destinationOffset >= 0) failed!");
 assert(Number.isSafeInteger(size) || size == Infinity, "assert(Number.isSafeInteger(size) || size == Infinity) failed!");
 assert(size >= 0, "assert(size >= 0) failed!");
 wgpu[commandEncoder]["copyBufferToBuffer"](wgpu[source], sourceOffset, wgpu[destination], destinationOffset, size < 1 / 0 ? size : void 0);
}

var GPUTextureAspects = [ , "all", "stencil-only", "depth-only" ];

function wgpuReadGpuTexelCopyTextureInfo(ptr) {
 assert(ptr, "assert(ptr) failed!");
 assert((ptr >>> 0) % 4 == 0, "Unaligned pointer fault!");
 ptr >>>= 2;
 return {
  "texture": wgpu[HEAPU32[ptr >>> 0]],
  "mipLevel": HEAP32[ptr + 1 >>> 0],
  "origin": [ HEAP32[ptr + 2 >>> 0], HEAP32[ptr + 3 >>> 0], HEAP32[ptr + 4 >>> 0] ],
  "aspect": GPUTextureAspects[HEAPU32[ptr + 5 >>> 0]]
 };
}

function wgpuReadGpuTexelCopyBufferInfo(ptr) {
 assert(ptr != 0, "assert(ptr != 0) failed!");
 assert((ptr >>> 0) % 4 == 0, "Unaligned pointer fault!");
 ptr >>>= 2;
 return {
  "offset": wgpuReadI53FromU64HeapIdx(ptr),
  "bytesPerRow": HEAP32[ptr + 2 >>> 0],
  "rowsPerImage": HEAP32[ptr + 3 >>> 0],
  "buffer": wgpu[HEAPU32[ptr + 4 >>> 0]]
 };
}

function _wgpu_command_encoder_copy_texture_to_buffer(commandEncoder, source, destination, copyWidth, copyHeight, copyDepthOrArrayLayers) {
 assert(commandEncoder != 0, "assert(commandEncoder != 0) failed!");
 assert(wgpu[commandEncoder], "assert(wgpu[commandEncoder]) failed!");
 assert(wgpu[commandEncoder] instanceof GPUCommandEncoder, "assert(wgpu[commandEncoder] instanceof GPUCommandEncoder) failed!");
 assert(source, "assert(source) failed!");
 assert(destination, "assert(destination) failed!");
 wgpu[commandEncoder]["copyTextureToBuffer"](wgpuReadGpuTexelCopyTextureInfo(source), wgpuReadGpuTexelCopyBufferInfo(destination), [ copyWidth, copyHeight, copyDepthOrArrayLayers ]);
}

function _wgpu_command_encoder_copy_texture_to_texture(commandEncoder, source, destination, copyWidth, copyHeight, copyDepthOrArrayLayers) {
 assert(commandEncoder != 0, "assert(commandEncoder != 0) failed!");
 assert(wgpu[commandEncoder], "assert(wgpu[commandEncoder]) failed!");
 assert(wgpu[commandEncoder] instanceof GPUCommandEncoder, "assert(wgpu[commandEncoder] instanceof GPUCommandEncoder) failed!");
 assert(source, "assert(source) failed!");
 assert(destination, "assert(destination) failed!");
 wgpu[commandEncoder]["copyTextureToTexture"](wgpuReadGpuTexelCopyTextureInfo(source), wgpuReadGpuTexelCopyTextureInfo(destination), [ copyWidth, copyHeight, copyDepthOrArrayLayers ]);
}

function _wgpu_compute_pass_encoder_dispatch_workgroups(encoder, workgroupCountX, workgroupCountY, workgroupCountZ) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder, "assert(wgpu[encoder] instanceof GPUComputePassEncoder) failed!");
 wgpu[encoder]["dispatchWorkgroups"](workgroupCountX, workgroupCountY, workgroupCountZ);
}

function _wgpu_compute_pass_encoder_dispatch_workgroups_indirect(encoder, indirectBuffer, indirectOffset) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder, "assert(wgpu[encoder] instanceof GPUComputePassEncoder) failed!");
 assert(indirectBuffer != 0, "assert(indirectBuffer != 0) failed!");
 assert(wgpu[indirectBuffer], "assert(wgpu[indirectBuffer]) failed!");
 assert(wgpu[indirectBuffer] instanceof GPUBuffer, "assert(wgpu[indirectBuffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(indirectOffset), "assert(Number.isSafeInteger(indirectOffset)) failed!");
 assert(indirectOffset >= 0, "assert(indirectOffset >= 0) failed!");
 wgpu[encoder]["dispatchWorkgroupsIndirect"](wgpu[indirectBuffer], indirectOffset);
}

function _wgpu_device_create_bind_group(device, layout, entries, numEntries) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(layout != 0, "assert(layout != 0) failed!");
 assert(layout > 1, "assert(layout > 1) failed!");
 assert(wgpu[layout], "assert(wgpu[layout]) failed!");
 assert(wgpu[layout] instanceof GPUBindGroupLayout, "assert(wgpu[layout] instanceof GPUBindGroupLayout) failed!");
 assert(numEntries >= 0, "assert(numEntries >= 0) failed!");
 assert(entries != 0 || numEntries == 0, "assert(entries != 0 || numEntries == 0) failed!");
 device = wgpu[device];
 assert((entries >>> 0) % 4 == 0, "Unaligned pointer fault!");
 entries >>>= 2;
 let e = [];
 while (numEntries--) {
  let resource = wgpu[HEAPU32[entries + 1 >>> 0]];
  assert(resource, "assert(resource) failed!");
  e.push({
   "binding": HEAPU32[entries >>> 0],
   "resource": resource.isBuffer ? {
    "buffer": resource,
    "offset": wgpuReadI53FromU64HeapIdx(entries + 2),
    "size": wgpuReadI53FromU64HeapIdx(entries + 4) || void 0
   } : resource
  });
  entries += 6;
 }
 let desc = {
  "layout": wgpu[layout],
  "entries": e
 };
 return wgpuStoreAndSetParent(device["createBindGroup"](desc), device);
}

var GPUBufferBindingTypes = [ , "uniform", "storage", "read-only-storage" ];

var GPUSamplerBindingTypes = [ , "filtering", "non-filtering", "comparison" ];

var GPUTextureSampleTypes = [ , "float", "unfilterable-float", "depth", "sint", "uint" ];

var GPUTextureViewDimensions = [ , "1d", "2d", "2d-array", "cube", "cube-array", "3d" ];

var GPUStorageTextureSampleTypes = [ , "write-only", "read-only", "read-write" ];

function wgpuReadBindGroupLayoutDescriptor(entries, numEntries) {
 assert(numEntries >= 0, "assert(numEntries >= 0) failed!");
 assert(entries != 0 || numEntries == 0, "assert(entries != 0 || numEntries == 0) failed!");
 assert((entries >>> 0) % 4 == 0, "Unaligned pointer fault!");
 entries >>>= 2;
 let e = [];
 while (numEntries--) {
  let entry = {
   "binding": HEAPU32[entries >>> 0],
   "visibility": HEAPU32[entries + 1 >>> 0]
  }, type = HEAPU32[entries + 2 >>> 0];
  entries += 4;
  assert(type >= 1 && type <= 5, "assert(type >= 1 && type <= 5) failed!");
  if (type == 1) {
   entry["buffer"] = {
    "type": GPUBufferBindingTypes[HEAPU32[entries >>> 0]],
    "hasDynamicOffset": !!HEAPU32[entries + 1 >>> 0],
    "minBindingSize": wgpuReadI53FromU64HeapIdx(entries + 2)
   };
  } else if (type == 2) {
   entry["sampler"] = {
    "type": GPUSamplerBindingTypes[HEAPU32[entries >>> 0]]
   };
  } else if (type == 3) {
   entry["texture"] = {
    "sampleType": GPUTextureSampleTypes[HEAPU32[entries >>> 0]],
    "viewDimension": GPUTextureViewDimensions[HEAPU32[entries + 1 >>> 0]],
    "multisampled": !!HEAPU32[entries + 2 >>> 0]
   };
  } else if (type == 4) {
   entry["storageTexture"] = {
    "access": GPUStorageTextureSampleTypes[HEAPU32[entries >>> 0]],
    "format": GPUTextureAndVertexFormats[HEAPU32[entries + 1 >>> 0]],
    "viewDimension": GPUTextureViewDimensions[HEAPU32[entries + 2 >>> 0]]
   };
  } else {
   entry["externalTexture"] = {};
  }
  entries += 4;
  e.push(entry);
 }
 return {
  "entries": e
 };
}

function _wgpu_device_create_bind_group_layout(device, entries, numEntries) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 device = wgpu[device];
 let desc = wgpuReadBindGroupLayoutDescriptor(entries, numEntries);
 return wgpuStoreAndSetParent(device["createBindGroupLayout"](desc), device);
}

function _wgpu_device_create_buffer(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 device = wgpu[device];
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 let desc = {
  "size": wgpuReadI53FromU64HeapIdx(descriptor),
  "usage": HEAPU32[descriptor + 2 >>> 0],
  "mappedAtCreation": !!HEAPU32[descriptor + 3 >>> 0]
 };
 let buffer = device["createBuffer"](desc);
 buffer.mappedRanges = {};
 buffer.isBuffer = 1;
 return wgpuStoreAndSetParent(buffer, device);
}

function _wgpu_device_create_command_encoder(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 device = wgpu[device];
 return wgpuStoreAndSetParent(device["createCommandEncoder"](), device);
}

function _wgpu_device_create_command_encoder_simple(device) {
 device = wgpu[device];
 return wgpuStoreAndSetParent(device["createCommandEncoder"](), device);
}

function wgpuReadConstants(constants, numConstants) {
 assert(numConstants >= 0, "assert(numConstants >= 0) failed!");
 assert(constants != 0 || numConstants == 0, "assert(constants != 0 || numConstants == 0) failed!");
 let c = {};
 while (numConstants--) {
  c[utf8(HEAPU32[constants >>> 2 >>> 0])] = HEAPF64[wgpu_checked_shift(constants + 8, 3) >>> 0];
  constants += 16;
 }
 return c;
}

var GPUAutoLayoutMode = "auto";

function wgpuReadComputePipelineDescriptor(computeModule, entryPoint, layout, constants, numConstants) {
 return {
  "layout": layout > 1 ? wgpu[layout] : GPUAutoLayoutMode,
  "compute": {
   "module": wgpu[computeModule],
   "entryPoint": utf8(entryPoint) || void 0,
   "constants": wgpuReadConstants(constants, numConstants)
  }
 };
}

function _wgpu_device_create_compute_pipeline(device, computeModule, entryPoint, layout, constants, numConstants) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(computeModule != 0, "assert(computeModule != 0) failed!");
 assert(wgpu[computeModule], "assert(wgpu[computeModule]) failed!");
 assert(wgpu[computeModule] instanceof GPUShaderModule, "assert(wgpu[computeModule] instanceof GPUShaderModule) failed!");
 assert(layout <= 1 || wgpu[layout], "assert(layout <= 1/*'auto'*/ || wgpu[layout]) failed!");
 assert(layout <= 1 || wgpu[layout] instanceof GPUPipelineLayout, "assert(layout <= 1/*'auto'*/ || wgpu[layout] instanceof GPUPipelineLayout) failed!");
 assert(numConstants >= 0, "assert(numConstants >= 0) failed!");
 assert(numConstants == 0 || constants, "assert(numConstants == 0 || constants) failed!");
 assert(!entryPoint || utf8(entryPoint).length > 0, "assert(!entryPoint || utf8(entryPoint).length > 0) failed!");
 device = wgpu[device];
 let desc = wgpuReadComputePipelineDescriptor(computeModule, entryPoint, layout, constants, numConstants);
 return wgpuStoreAndSetParent(device["createComputePipeline"](desc), device);
}

function _wgpu_device_create_pipeline_layout(device, layouts, numLayouts) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 device = wgpu[device];
 let desc = {
  "bindGroupLayouts": wgpuReadArrayOfItemsMaybeNull(wgpu, layouts, numLayouts)
 };
 return wgpuStoreAndSetParent(device["createPipelineLayout"](desc), device);
}

var GPUCompareFunctions = [ , "never", "less", "equal", "less-equal", "greater", "not-equal", "greater-equal", "always" ];

var GPUStencilOperations = [ , "keep", "zero", "replace", "invert", "increment-clamp", "decrement-clamp", "increment-wrap", "decrement-wrap" ];

function wgpuReadGpuStencilFaceState(idx) {
 assert(idx != 0, "assert(idx != 0) failed!");
 return {
  "compare": GPUCompareFunctions[HEAPU32[idx >>> 0]],
  "failOp": GPUStencilOperations[HEAPU32[idx + 1 >>> 0]],
  "depthFailOp": GPUStencilOperations[HEAPU32[idx + 2 >>> 0]],
  "passOp": GPUStencilOperations[HEAPU32[idx + 3 >>> 0]]
 };
}

var GPUBlendOperations = [ , "add", "subtract", "reverse-subtract", "min", "max" ];

var GPUBlendFactors = [ , "zero", "one", "src", "one-minus-src", "src-alpha", "one-minus-src-alpha", "dst", "one-minus-dst", "dst-alpha", "one-minus-dst-alpha", "src-alpha-saturated", "constant", "one-minus-constant", "src1", "one-minus-src1", "src1-alpha", "one-minus-src1-alpha" ];

function wgpuReadGpuBlendComponent(idx) {
 assert(idx != 0, "assert(idx != 0) failed!");
 assert(GPUBlendOperations[HEAPU32[idx >>> 0]], "assert(GPUBlendOperations[HEAPU32[idx]]) failed!");
 assert(GPUBlendFactors[HEAPU32[idx + 1 >>> 0]], "assert(GPUBlendFactors[HEAPU32[idx+1]]) failed!");
 assert(GPUBlendFactors[HEAPU32[idx + 2 >>> 0]], "assert(GPUBlendFactors[HEAPU32[idx+2]]) failed!");
 return {
  "operation": GPUBlendOperations[HEAPU32[idx >>> 0]],
  "srcFactor": GPUBlendFactors[HEAPU32[idx + 1 >>> 0]],
  "dstFactor": GPUBlendFactors[HEAPU32[idx + 2 >>> 0]]
 };
}

var GPUIndexFormats = [ , "uint16", "uint32" ];

var GPUPrimitiveTopologys = [ , "point-list", "line-list", "line-strip", "triangle-list", "triangle-strip" ];

function wgpuReadRenderPipelineDescriptor(descriptor) {
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 let vertexBuffers = [], targets = [], vertexIdx = descriptor, numVertexBuffers = HEAP32[vertexIdx + 7 >>> 0], vertexBuffersIdx = wgpu_checked_shift(HEAPU32[vertexIdx + 2 >>> 0], 2), primitiveIdx = vertexIdx + 10, depthStencilIdx = primitiveIdx + 5, multisampleIdx = depthStencilIdx + 17, fragmentIdx = multisampleIdx + 4, numTargets = HEAP32[fragmentIdx + 7 >>> 0], targetsIdx = wgpu_checked_shift(HEAPU32[fragmentIdx + 2 >>> 0], 2), depthStencilFormat = HEAPU32[depthStencilIdx >>> 0], multisampleCount = HEAPU32[multisampleIdx >>> 0], fragmentModule = HEAPU32[fragmentIdx + 6 >>> 0], pipelineLayoutId = HEAPU32[fragmentIdx + 10 >>> 0], desc;
 assert(pipelineLayoutId <= 1 || wgpu[pipelineLayoutId], "assert(pipelineLayoutId <= 1/*'auto'*/ || wgpu[pipelineLayoutId]) failed!");
 assert(pipelineLayoutId <= 1 || wgpu[pipelineLayoutId] instanceof GPUPipelineLayout, "assert(pipelineLayoutId <= 1/*'auto'*/ || wgpu[pipelineLayoutId] instanceof GPUPipelineLayout) failed!");
 assert(numVertexBuffers >= 0, "assert(numVertexBuffers >= 0) failed!");
 while (numVertexBuffers--) {
  let attributes = [], numAttributes = HEAP32[vertexBuffersIdx + 2 >>> 0], attributesIdx = wgpu_checked_shift(HEAPU32[vertexBuffersIdx >>> 0], 2);
  assert(numAttributes >= 0, "assert(numAttributes >= 0) failed!");
  while (numAttributes--) {
   attributes.push({
    "offset": wgpuReadI53FromU64HeapIdx(attributesIdx),
    "shaderLocation": HEAPU32[attributesIdx + 2 >>> 0],
    "format": GPUTextureAndVertexFormats[HEAPU32[attributesIdx + 3 >>> 0]]
   });
   attributesIdx += 4;
  }
  vertexBuffers.push({
   "arrayStride": wgpuReadI53FromU64HeapIdx(vertexBuffersIdx + 4),
   "stepMode": [ , "vertex", "instance" ][HEAPU32[vertexBuffersIdx + 3 >>> 0]],
   "attributes": attributes
  });
  vertexBuffersIdx += 6;
 }
 assert(numTargets >= 0, "assert(numTargets >= 0) failed!");
 while (numTargets--) {
  let fmt = HEAPU32[targetsIdx >>> 0];
  targets.push(fmt ? {
   "format": GPUTextureAndVertexFormats[fmt],
   "blend": HEAPU32[targetsIdx + 1 >>> 0] ? {
    "color": wgpuReadGpuBlendComponent(targetsIdx + 1),
    "alpha": wgpuReadGpuBlendComponent(targetsIdx + 4)
   } : void 0,
   "writeMask": HEAPU32[targetsIdx + 7 >>> 0]
  } : null);
  targetsIdx += 8;
 }
 desc = {
  "vertex": {
   "module": wgpu[HEAPU32[vertexIdx + 6 >>> 0]],
   "entryPoint": utf8(HEAPU32[vertexIdx >>> 0]) || void 0,
   "buffers": vertexBuffers,
   "constants": wgpuReadConstants(HEAPU32[vertexIdx + 4 >>> 0], HEAP32[vertexIdx + 8 >>> 0])
  },
  "fragment": fragmentModule ? {
   "module": wgpu[fragmentModule],
   "entryPoint": utf8(HEAPU32[fragmentIdx >>> 0]) || void 0,
   "targets": targets,
   "constants": wgpuReadConstants(HEAPU32[fragmentIdx + 4 >>> 0], HEAP32[fragmentIdx + 8 >>> 0])
  } : void 0,
  "primitive": {
   "topology": GPUPrimitiveTopologys[HEAPU32[primitiveIdx >>> 0]],
   "stripIndexFormat": GPUIndexFormats[HEAPU32[primitiveIdx + 1 >>> 0]],
   "frontFace": [ , "ccw", "cw" ][HEAPU32[primitiveIdx + 2 >>> 0]],
   "cullMode": [ , "none", "front", "back" ][HEAPU32[primitiveIdx + 3 >>> 0]],
   "unclippedDepth": !!HEAPU32[primitiveIdx + 4 >>> 0]
  },
  "depthStencil": depthStencilFormat ? {
   "format": GPUTextureAndVertexFormats[depthStencilFormat],
   "depthWriteEnabled": !!HEAPU32[depthStencilIdx + 1 >>> 0],
   "depthCompare": GPUCompareFunctions[HEAPU32[depthStencilIdx + 2 >>> 0]],
   "stencilReadMask": HEAPU32[depthStencilIdx + 3 >>> 0],
   "stencilWriteMask": HEAPU32[depthStencilIdx + 4 >>> 0],
   "depthBias": HEAP32[depthStencilIdx + 5 >>> 0],
   "depthBiasSlopeScale": HEAPF32[depthStencilIdx + 6 >>> 0],
   "depthBiasClamp": HEAPF32[depthStencilIdx + 7 >>> 0],
   "stencilFront": wgpuReadGpuStencilFaceState(depthStencilIdx + 8),
   "stencilBack": wgpuReadGpuStencilFaceState(depthStencilIdx + 12),
   "clampDepth": !!HEAPU32[depthStencilIdx + 16 >>> 0]
  } : void 0,
  "multisample": multisampleCount ? {
   "count": multisampleCount,
   "mask": HEAPU32[multisampleIdx + 1 >>> 0],
   "alphaToCoverageEnabled": !!HEAPU32[multisampleIdx + 2 >>> 0]
  } : void 0,
  "layout": pipelineLayoutId > 1 ? wgpu[pipelineLayoutId] : GPUAutoLayoutMode
 };
 return desc;
}

function _wgpu_device_create_render_pipeline(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(descriptor, "assert(descriptor) failed!");
 device = wgpu[device];
 let desc = wgpuReadRenderPipelineDescriptor(descriptor);
 return wgpuStoreAndSetParent(device["createRenderPipeline"](desc), device);
}

var GPUAddressModes = [ , "clamp-to-edge", "repeat", "mirror-repeat" ];

var GPUFilterModes = [ , "nearest", "linear" ];

function _wgpu_device_create_sampler(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 device = wgpu[device];
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 let desc = descriptor ? {
  "addressModeU": GPUAddressModes[HEAPU32[descriptor >>> 0]],
  "addressModeV": GPUAddressModes[HEAPU32[descriptor + 1 >>> 0]],
  "addressModeW": GPUAddressModes[HEAPU32[descriptor + 2 >>> 0]],
  "magFilter": GPUFilterModes[HEAPU32[descriptor + 3 >>> 0]],
  "minFilter": GPUFilterModes[HEAPU32[descriptor + 4 >>> 0]],
  "mipmapFilter": GPUFilterModes[HEAPU32[descriptor + 5 >>> 0]],
  "lodMinClamp": HEAPF32[descriptor + 6 >>> 0],
  "lodMaxClamp": HEAPF32[descriptor + 7 >>> 0],
  "compare": GPUCompareFunctions[HEAPU32[descriptor + 8 >>> 0]],
  "maxAnisotropy": HEAPU32[descriptor + 9 >>> 0]
 } : void 0;
 return wgpuStoreAndSetParent(device["createSampler"](desc), device);
}

function wgpuReadShaderModuleCompilationHints(index) {
 let numHints = HEAP32[index + 2 >>> 0], hints = [], hintsIndex = wgpu_checked_shift(HEAPU32[index >>> 0], 2), layout;
 assert(numHints >= 0, "assert(numHints >= 0) failed!");
 while (numHints--) {
  layout = HEAPU32[hintsIndex + 2 >>> 0];
  assert(layout <= 1 || wgpu[layout], "assert(layout <= 1 || wgpu[layout]) failed!");
  assert(layout <= 1 || wgpu[layout] instanceof GPUPipelineLayout, "assert(layout <= 1 || wgpu[layout] instanceof GPUPipelineLayout) failed!");
  hints.push({
   "entryPoint": utf8(HEAPU32[hintsIndex >>> 0]),
   "layout": layout > 1 ? wgpu[layout] : layout ? GPUAutoLayoutMode : void 0
  });
  hintsIndex += 4;
 }
 return hints;
}

function wgpuReadShaderModuleDescriptor(descriptor) {
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 return {
  "code": utf8(HEAPU32[descriptor >>> 0]),
  "compilationHints": wgpuReadShaderModuleCompilationHints(descriptor + 2)
 };
}

function _wgpu_device_create_shader_module(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 device = wgpu[device];
 let desc = wgpuReadShaderModuleDescriptor(descriptor);
 return wgpuStoreAndSetParent(device["createShaderModule"](desc), device);
}

function _wgpu_device_create_texture(device, descriptor) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(descriptor != 0, "assert(descriptor != 0) failed!");
 device = wgpu[device];
 assert((descriptor >>> 0) % 4 == 0, "Unaligned pointer fault!");
 descriptor >>>= 2;
 assert(HEAPU32[descriptor + 8 >>> 0] >= 1, "assert(HEAPU32[descriptor+8] >= 1) failed!");
 assert(HEAPU32[descriptor + 8 >>> 0] <= 3, "assert(HEAPU32[descriptor+8] <= 3) failed!");
 let desc = {
  "viewFormats": wgpuReadArrayOfItems(GPUTextureAndVertexFormats, HEAPU32[descriptor >>> 0], HEAPU32[descriptor + 2 >>> 0]),
  "size": [ HEAP32[descriptor + 3 >>> 0], HEAP32[descriptor + 4 >>> 0], HEAP32[descriptor + 5 >>> 0] ],
  "mipLevelCount": HEAP32[descriptor + 6 >>> 0],
  "sampleCount": HEAP32[descriptor + 7 >>> 0],
  "dimension": HEAPU32[descriptor + 8 >>> 0] + "d",
  "format": GPUTextureAndVertexFormats[HEAPU32[descriptor + 9 >>> 0]],
  "usage": HEAPU32[descriptor + 10 >>> 0],
  "textureBindingViewDimension": GPUTextureViewDimensions[HEAPU32[descriptor + 11 >>> 0]]
 };
 let texture = device["createTexture"](desc);
 return wgpuStoreAndSetParent(texture, device);
}

function _wgpu_device_get_queue(device) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(wgpu[device].wid == device, "assert(wgpu[device].wid == device) failed!");
 assert(wgpu[device]["queue"].wid, "assert(wgpu[device]['queue'].wid) failed!");
 return wgpu[device]["queue"].wid;
}

function _wgpuReportErrorCodeAndMessage(device, callback, errorCode, stringMessage, userData) {
 if (stringMessage) {
  var stackTop = stackSave(), len = lengthBytesUTF8(stringMessage) + 1, errorMessage = stackAlloc(len);
  stringToUTF8(stringMessage, errorMessage, len);
 }
 getWasmTableEntry(callback)(device, errorCode, errorMessage, userData);
 if (stackTop) stackRestore(stackTop);
}

function _wgpuErrorObjectToErrorType(error) {
 return error ? error instanceof GPUInternalError ? 3 : error instanceof GPUValidationError ? 2 : error instanceof GPUOutOfMemoryError ? 1 : 4 : 0;
}

function _wgpuDispatchWebGpuErrorEvent(device, callback, error, userData) {
 _wgpuReportErrorCodeAndMessage(device, callback, _wgpuErrorObjectToErrorType(error), error ? error["message"] : undefined, userData);
}

function _wgpu_device_pop_error_scope_async(device, callback, userData) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 assert(callback, "assert(callback) failed!");
 let d = error => _wgpuDispatchWebGpuErrorEvent(device, callback, error, userData);
 wgpu[device]["popErrorScope"]().then(_wgpuMuteJsExceptions(d)).catch(d);
}

function _wgpu_device_push_error_scope(device, filter) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 wgpu[device]["pushErrorScope"]([ , "out-of-memory", "validation", "internal" ][filter]);
}

function _wgpu_device_set_uncapturederror_callback(device, callback, userData) {
 assert(device != 0, "assert(device != 0) failed!");
 assert(wgpu[device], "assert(wgpu[device]) failed!");
 assert(wgpu[device] instanceof GPUDevice, "assert(wgpu[device] instanceof GPUDevice) failed!");
 wgpu[device]["onuncapturederror"] = callback ? function(uncapturedError) {
  _wgpuDispatchWebGpuErrorEvent(device, callback, uncapturedError["error"], userData);
 } : null;
}

function _wgpu_encoder_end(encoder) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder, "assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder) failed!");
 wgpu[encoder]["end"]();
 _wgpu_object_destroy(encoder);
}

function _wgpu_encoder_finish(encoder) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder, "assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder) failed!");
 let cmdBuffer = wgpu[encoder]["finish"]();
 _wgpu_object_destroy(encoder);
 return wgpuStore(cmdBuffer);
}

function _wgpu_encoder_pop_debug_group(encoder) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder, "assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder) failed!");
 wgpu[encoder]["popDebugGroup"]();
}

function _wgpu_encoder_push_debug_group(encoder, groupLabel) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder, "assert(wgpu[encoder] instanceof GPUCommandEncoder || wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder) failed!");
 assert(groupLabel != 0, "assert(groupLabel != 0) failed!");
 wgpu[encoder]["pushDebugGroup"](utf8(groupLabel));
}

function _wgpu_encoder_set_bind_group(encoder, index, bindGroup, dynamicOffsets, numDynamicOffsets) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder, "assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder) failed!");
 assert(bindGroup == 0 || wgpu[bindGroup], "assert(bindGroup == 0 || wgpu[bindGroup]) failed!");
 assert(bindGroup == 0 || wgpu[bindGroup] instanceof GPUBindGroup, "assert(bindGroup == 0 || wgpu[bindGroup] instanceof GPUBindGroup) failed!");
 assert(dynamicOffsets != 0 || numDynamicOffsets == 0, "assert(dynamicOffsets != 0 || numDynamicOffsets == 0) failed!");
 wgpu[encoder]["setBindGroup"](index, wgpu[bindGroup], HEAPU32, wgpu_checked_shift(dynamicOffsets, 2), numDynamicOffsets);
}

function _wgpu_encoder_set_pipeline(encoder, pipeline) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder, "assert(wgpu[encoder] instanceof GPUComputePassEncoder || wgpu[encoder] instanceof GPURenderPassEncoder || wgpu[encoder] instanceof GPURenderBundleEncoder) failed!");
 assert(wgpu[pipeline] instanceof GPURenderPipeline || wgpu[pipeline] instanceof GPUComputePipeline, "assert(wgpu[pipeline] instanceof GPURenderPipeline || wgpu[pipeline] instanceof GPUComputePipeline) failed!");
 assert(wgpu[encoder] instanceof GPUComputePassEncoder == wgpu[pipeline] instanceof GPUComputePipeline, "assert((wgpu[encoder] instanceof GPUComputePassEncoder) == (wgpu[pipeline] instanceof GPUComputePipeline)) failed!");
 wgpu[encoder]["setPipeline"](wgpu[pipeline]);
}

function _wgpu_is_valid_object(o) {
 return !!wgpu[o];
}

function _wgpu_object_set_label(o, label) {
 assert(wgpu[o], "assert(wgpu[o]) failed!");
 wgpu[o]["label"] = utf8(label);
}

function _wgpu_queue_submit_multiple_and_destroy(queue, commandBuffers, numCommandBuffers) {
 assert(queue != 0, "assert(queue != 0) failed!");
 assert(wgpu[queue], "assert(wgpu[queue]) failed!");
 assert(wgpu[queue] instanceof GPUQueue, "assert(wgpu[queue] instanceof GPUQueue) failed!");
 wgpu[queue]["submit"](wgpuReadArrayOfItems(wgpu, commandBuffers, numCommandBuffers));
 assert((commandBuffers >>> 0) % 4 == 0, "Unaligned pointer fault!");
 commandBuffers >>>= 2;
 while (numCommandBuffers--) _wgpu_object_destroy(HEAPU32[commandBuffers++ >>> 0]);
}

function _wgpu_queue_submit_one_and_destroy(queue, commandBuffer) {
 assert(queue != 0, "assert(queue != 0) failed!");
 assert(wgpu[queue], "assert(wgpu[queue]) failed!");
 assert(wgpu[queue] instanceof GPUQueue, "assert(wgpu[queue] instanceof GPUQueue) failed!");
 assert(commandBuffer != 0, "assert(commandBuffer != 0) failed!");
 assert(wgpu[commandBuffer], "assert(wgpu[commandBuffer]) failed!");
 assert(wgpu[commandBuffer] instanceof GPUCommandBuffer, "assert(wgpu[commandBuffer] instanceof GPUCommandBuffer) failed!");
 wgpu[queue]["submit"]([ wgpu[commandBuffer] ]);
 _wgpu_object_destroy(commandBuffer);
}

function _wgpu_queue_write_buffer(queue, buffer, bufferOffset, data, size) {
 assert(queue != 0, "assert(queue != 0) failed!");
 assert(wgpu[queue], "assert(wgpu[queue]) failed!");
 assert(wgpu[queue] instanceof GPUQueue, "assert(wgpu[queue] instanceof GPUQueue) failed!");
 assert(buffer != 0, "assert(buffer != 0) failed!");
 assert(wgpu[buffer], "assert(wgpu[buffer]) failed!");
 assert(wgpu[buffer] instanceof GPUBuffer, "assert(wgpu[buffer] instanceof GPUBuffer) failed!");
 wgpu[queue]["writeBuffer"](wgpu[buffer], bufferOffset, HEAPU8, wgpu_checked_shift(data, 0), size);
}

function _wgpu_queue_write_texture(queue, destination, data, bytesPerBlockRow, blockRowsPerImage, writeWidth, writeHeight, writeDepthOrArrayLayers) {
 assert(queue != 0, "assert(queue != 0) failed!");
 assert(wgpu[queue], "assert(wgpu[queue]) failed!");
 assert(wgpu[queue] instanceof GPUQueue, "assert(wgpu[queue] instanceof GPUQueue) failed!");
 assert(destination, "assert(destination) failed!");
 wgpu[queue]["writeTexture"](wgpuReadGpuTexelCopyTextureInfo(destination), HEAPU8, {
  "offset": wgpu_checked_shift(data, 0),
  "bytesPerRow": bytesPerBlockRow,
  "rowsPerImage": blockRowsPerImage
 }, [ writeWidth, writeHeight, writeDepthOrArrayLayers ]);
}

function _wgpu_render_commands_mixin_draw(passEncoder, vertexCount, instanceCount, firstVertex, firstInstance) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 wgpu[passEncoder]["draw"](vertexCount, instanceCount, firstVertex, firstInstance);
}

function _wgpu_render_commands_mixin_draw_indexed(passEncoder, indexCount, instanceCount, firstIndex, baseVertex, firstInstance) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 wgpu[passEncoder]["drawIndexed"](indexCount, instanceCount, firstIndex, baseVertex, firstInstance);
}

function _wgpu_render_commands_mixin_draw_indexed_indirect(passEncoder, indirectBuffer, indirectOffset) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 assert(wgpu[indirectBuffer] instanceof GPUBuffer, "assert(wgpu[indirectBuffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(indirectOffset), "assert(Number.isSafeInteger(indirectOffset)) failed!");
 assert(indirectOffset >= 0, "assert(indirectOffset >= 0) failed!");
 wgpu[passEncoder]["drawIndexedIndirect"](wgpu[indirectBuffer], indirectOffset);
}

function _wgpu_render_commands_mixin_draw_indirect(passEncoder, indirectBuffer, indirectOffset) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 assert(wgpu[indirectBuffer] instanceof GPUBuffer, "assert(wgpu[indirectBuffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(indirectOffset), "assert(Number.isSafeInteger(indirectOffset)) failed!");
 assert(indirectOffset >= 0, "assert(indirectOffset >= 0) failed!");
 wgpu[passEncoder]["drawIndirect"](wgpu[indirectBuffer], indirectOffset);
}

function _wgpu_render_commands_mixin_set_index_buffer(passEncoder, buffer, indexFormat, offset, size) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 assert(wgpu[buffer] instanceof GPUBuffer, "assert(wgpu[buffer] instanceof GPUBuffer) failed!");
 assert(Number.isSafeInteger(offset), "assert(Number.isSafeInteger(offset)) failed!");
 assert(offset >= 0, "assert(offset >= 0) failed!");
 assert(Number.isSafeInteger(size), "assert(Number.isSafeInteger(size)) failed!");
 assert(size >= -1, "assert(size >= -1) failed!");
 wgpu[passEncoder]["setIndexBuffer"](wgpu[buffer], GPUIndexFormats[indexFormat], offset, size < 0 ? void 0 : size);
}

function _wgpu_render_commands_mixin_set_vertex_buffer(passEncoder, slot, buffer, offset, size) {
 assert(passEncoder != 0, "assert(passEncoder != 0) failed!");
 assert(wgpu[passEncoder], "assert(wgpu[passEncoder]) failed!");
 assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder, "assert(wgpu[passEncoder] instanceof GPURenderPassEncoder || wgpu[passEncoder] instanceof GPURenderBundleEncoder) failed!");
 assert(buffer == 0 || wgpu[buffer], "assert(buffer == 0 || wgpu[buffer]) failed!");
 assert(buffer == 0 || wgpu[buffer] instanceof GPUBuffer, "assert(buffer == 0 || wgpu[buffer] instanceof GPUBuffer) failed!");
 assert(buffer != 0 || offset == 0, "assert(buffer != 0 || offset == 0) failed!");
 assert(buffer != 0 || size <= 0, "assert(buffer != 0 || size <= 0) failed!");
 assert(Number.isSafeInteger(offset), "assert(Number.isSafeInteger(offset)) failed!");
 assert(offset >= 0, "assert(offset >= 0) failed!");
 assert(Number.isSafeInteger(size), "assert(Number.isSafeInteger(size)) failed!");
 assert(size >= -1, "assert(size >= -1) failed!");
 wgpu[passEncoder]["setVertexBuffer"](slot, wgpu[buffer], offset, size < 0 ? void 0 : size);
}

function _wgpu_render_pass_encoder_set_scissor_rect(encoder, x, y, width, height) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPURenderPassEncoder, "assert(wgpu[encoder] instanceof GPURenderPassEncoder) failed!");
 wgpu[encoder]["setScissorRect"](x, y, width, height);
}

function _wgpu_render_pass_encoder_set_stencil_reference(encoder, stencilValue) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPURenderPassEncoder, "assert(wgpu[encoder] instanceof GPURenderPassEncoder) failed!");
 wgpu[encoder]["setStencilReference"](stencilValue);
}

function _wgpu_render_pass_encoder_set_viewport(encoder, x, y, width, height, minDepth, maxDepth) {
 assert(encoder != 0, "assert(encoder != 0) failed!");
 assert(wgpu[encoder], "assert(wgpu[encoder]) failed!");
 assert(wgpu[encoder] instanceof GPURenderPassEncoder, "assert(wgpu[encoder] instanceof GPURenderPassEncoder) failed!");
 wgpu[encoder]["setViewport"](x, y, width, height, minDepth, maxDepth);
}

function _wgpu_texture_create_view(texture, descriptor) {
 assert(texture != 0, "assert(texture != 0) failed!");
 assert(wgpu[texture], "assert(wgpu[texture]) failed!");
 assert(wgpu[texture] instanceof GPUTexture, "assert(wgpu[texture] instanceof GPUTexture) failed!");
 texture = wgpu[texture];
 var descriptorIdx = wgpu_checked_shift(descriptor, 2), descriptorByteIdx = wgpu_checked_shift(descriptor, 0);
 let desc = descriptorIdx ? {
  "format": GPUTextureAndVertexFormats[HEAPU32[descriptorIdx >>> 0]],
  "dimension": GPUTextureViewDimensions[HEAPU32[descriptorIdx + 1 >>> 0]],
  "usage": HEAPU32[descriptorIdx + 2 >>> 0],
  "aspect": GPUTextureAspects[HEAPU32[descriptorIdx + 3 >>> 0]],
  "baseMipLevel": HEAP32[descriptorIdx + 4 >>> 0],
  "mipLevelCount": HEAP32[descriptorIdx + 5 >>> 0],
  "baseArrayLayer": HEAP32[descriptorIdx + 6 >>> 0],
  "arrayLayerCount": HEAP32[descriptorIdx + 7 >>> 0],
  "swizzle": UTF8ToString(descriptorByteIdx + 32) || "rgba"
 } : void 0;
 return wgpuStoreAndSetParent(texture["createView"](desc), texture);
}

function _wgpu_texture_create_view_simple(texture) {
 assert(texture != 0, "assert(texture != 0) failed!");
 assert(wgpu[texture], "assert(wgpu[texture]) failed!");
 assert(wgpu[texture] instanceof GPUTexture, "assert(wgpu[texture] instanceof GPUTexture) failed!");
 texture = wgpu[texture];
 return wgpuStoreAndSetParent(texture["createView"](), texture);
}

function getCFunc(ident) {
 var func = Module["_" + ident];
 assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
 return func;
}

function ccall(ident, returnType, argTypes, args, opts) {
 var toC = {
  "string": str => {
   var ret = 0;
   if (str !== null && str !== undefined && str !== 0) {
    ret = stringToUTF8OnStack(str);
   }
   return ret;
  },
  "array": arr => {
   var ret = stackAlloc(arr.length);
   writeArrayToMemory(arr, ret);
   return ret;
  }
 };
 function convertReturnValue(ret) {
  if (returnType === "string") {
   return UTF8ToString(ret >>> 0);
  }
  if (returnType === "boolean") return Boolean(ret);
  return ret;
 }
 var func = getCFunc(ident);
 var cArgs = [];
 var stack = 0;
 assert(returnType !== "array", 'Return type should not be "array".');
 if (args) {
  for (var i = 0; i < args.length; i++) {
   var converter = toC[argTypes[i]];
   if (converter) {
    if (stack === 0) stack = stackSave();
    cArgs[i] = converter(args[i]);
   } else {
    cArgs[i] = args[i];
   }
  }
 }
 var ret = func.apply(null, cArgs);
 function onDone(ret) {
  if (stack !== 0) stackRestore(stack);
  return convertReturnValue(ret);
 }
 ret = onDone(ret);
 return ret;
}

function cwrap(ident, returnType, argTypes, opts) {
 return function() {
  return ccall(ident, returnType, argTypes, arguments, opts);
 };
}

Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) {
 Browser.requestFullscreen(lockPointer, resizeCanvas);
};

Module["requestFullScreen"] = function Module_requestFullScreen() {
 Browser.requestFullScreen();
};

Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
 Browser.requestAnimationFrame(func);
};

Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
 Browser.setCanvasSize(width, height, noUpdates);
};

Module["pauseMainLoop"] = function Module_pauseMainLoop() {
 Browser.mainLoop.pause();
};

Module["resumeMainLoop"] = function Module_resumeMainLoop() {
 Browser.mainLoop.resume();
};

Module["getUserMedia"] = function Module_getUserMedia() {
 Browser.getUserMedia();
};

Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
 return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
};

var preloadedImages = {};

var preloadedAudios = {};

var FSNode = function(parent, name, mode, rdev) {
 if (!parent) {
  parent = this;
 }
 this.parent = parent;
 this.mount = parent.mount;
 this.mounted = null;
 this.id = FS.nextInode++;
 this.name = name;
 this.mode = mode;
 this.node_ops = {};
 this.stream_ops = {};
 this.rdev = rdev;
};

var readMode = 292 | 73;

var writeMode = 146;

Object.defineProperties(FSNode.prototype, {
 read: {
  get: function() {
   return (this.mode & readMode) === readMode;
  },
  set: function(val) {
   val ? this.mode |= readMode : this.mode &= ~readMode;
  }
 },
 write: {
  get: function() {
   return (this.mode & writeMode) === writeMode;
  },
  set: function(val) {
   val ? this.mode |= writeMode : this.mode &= ~writeMode;
  }
 },
 isFolder: {
  get: function() {
   return FS.isDir(this.mode);
  }
 },
 isDevice: {
  get: function() {
   return FS.isChrdev(this.mode);
  }
 }
});

FS.FSNode = FSNode;

FS.createPreloadedFile = FS_createPreloadedFile;

FS.staticInit();

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

ERRNO_CODES = {
 "EPERM": 63,
 "ENOENT": 44,
 "ESRCH": 71,
 "EINTR": 27,
 "EIO": 29,
 "ENXIO": 60,
 "E2BIG": 1,
 "ENOEXEC": 45,
 "EBADF": 8,
 "ECHILD": 12,
 "EAGAIN": 6,
 "EWOULDBLOCK": 6,
 "ENOMEM": 48,
 "EACCES": 2,
 "EFAULT": 21,
 "ENOTBLK": 105,
 "EBUSY": 10,
 "EEXIST": 20,
 "EXDEV": 75,
 "ENODEV": 43,
 "ENOTDIR": 54,
 "EISDIR": 31,
 "EINVAL": 28,
 "ENFILE": 41,
 "EMFILE": 33,
 "ENOTTY": 59,
 "ETXTBSY": 74,
 "EFBIG": 22,
 "ENOSPC": 51,
 "ESPIPE": 70,
 "EROFS": 69,
 "EMLINK": 34,
 "EPIPE": 64,
 "EDOM": 18,
 "ERANGE": 68,
 "ENOMSG": 49,
 "EIDRM": 24,
 "ECHRNG": 106,
 "EL2NSYNC": 156,
 "EL3HLT": 107,
 "EL3RST": 108,
 "ELNRNG": 109,
 "EUNATCH": 110,
 "ENOCSI": 111,
 "EL2HLT": 112,
 "EDEADLK": 16,
 "ENOLCK": 46,
 "EBADE": 113,
 "EBADR": 114,
 "EXFULL": 115,
 "ENOANO": 104,
 "EBADRQC": 103,
 "EBADSLT": 102,
 "EDEADLOCK": 16,
 "EBFONT": 101,
 "ENOSTR": 100,
 "ENODATA": 116,
 "ETIME": 117,
 "ENOSR": 118,
 "ENONET": 119,
 "ENOPKG": 120,
 "EREMOTE": 121,
 "ENOLINK": 47,
 "EADV": 122,
 "ESRMNT": 123,
 "ECOMM": 124,
 "EPROTO": 65,
 "EMULTIHOP": 36,
 "EDOTDOT": 125,
 "EBADMSG": 9,
 "ENOTUNIQ": 126,
 "EBADFD": 127,
 "EREMCHG": 128,
 "ELIBACC": 129,
 "ELIBBAD": 130,
 "ELIBSCN": 131,
 "ELIBMAX": 132,
 "ELIBEXEC": 133,
 "ENOSYS": 52,
 "ENOTEMPTY": 55,
 "ENAMETOOLONG": 37,
 "ELOOP": 32,
 "EOPNOTSUPP": 138,
 "EPFNOSUPPORT": 139,
 "ECONNRESET": 15,
 "ENOBUFS": 42,
 "EAFNOSUPPORT": 5,
 "EPROTOTYPE": 67,
 "ENOTSOCK": 57,
 "ENOPROTOOPT": 50,
 "ESHUTDOWN": 140,
 "ECONNREFUSED": 14,
 "EADDRINUSE": 3,
 "ECONNABORTED": 13,
 "ENETUNREACH": 40,
 "ENETDOWN": 38,
 "ETIMEDOUT": 73,
 "EHOSTDOWN": 142,
 "EHOSTUNREACH": 23,
 "EINPROGRESS": 26,
 "EALREADY": 7,
 "EDESTADDRREQ": 17,
 "EMSGSIZE": 35,
 "EPROTONOSUPPORT": 66,
 "ESOCKTNOSUPPORT": 137,
 "EADDRNOTAVAIL": 4,
 "ENETRESET": 39,
 "EISCONN": 30,
 "ENOTCONN": 53,
 "ETOOMANYREFS": 141,
 "EUSERS": 136,
 "EDQUOT": 19,
 "ESTALE": 72,
 "ENOTSUP": 138,
 "ENOMEDIUM": 148,
 "EILSEQ": 25,
 "EOVERFLOW": 61,
 "ECANCELED": 11,
 "ENOTRECOVERABLE": 56,
 "EOWNERDEAD": 62,
 "ESTRPIPE": 135
};

var GLctx;

for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));

var miniTempWebGLFloatBuffersStorage = new Float32Array(288);

for (var i = 0; i < 288; ++i) {
 miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1);
}

var miniTempWebGLIntBuffersStorage = new Int32Array(288);

for (var i = 0; i < 288; ++i) {
 miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i + 1);
}

var miniTempWebGLUIntBuffersStorage = new Uint32Array(288);

for (var i = 0; i < 288; ++i) {
 miniTempWebGLUIntBuffers[i] = miniTempWebGLUIntBuffersStorage.subarray(0, i + 1);
}

function checkIncomingModuleAPI() {
 ignoredModuleProp("fetchSettings");
}

var wasmImports = {
 "GetJSLoadTimeInfo": _GetJSLoadTimeInfo,
 "GetJSMemoryInfo": _GetJSMemoryInfo,
 "JS_Accelerometer_IsRunning": _JS_Accelerometer_IsRunning,
 "JS_Accelerometer_Start": _JS_Accelerometer_Start,
 "JS_Accelerometer_Stop": _JS_Accelerometer_Stop,
 "JS_CallAsLongAsNoExceptionsSeen": _JS_CallAsLongAsNoExceptionsSeen,
 "JS_Cursor_SetImage": _JS_Cursor_SetImage,
 "JS_Cursor_SetShow": _JS_Cursor_SetShow,
 "JS_DOM_MapViewportCoordinateToElementLocalCoordinate": _JS_DOM_MapViewportCoordinateToElementLocalCoordinate,
 "JS_DOM_UnityCanvasSelector": _JS_DOM_UnityCanvasSelector,
 "JS_DownloadTextFile": _JS_DownloadTextFile,
 "JS_Eval_OpenURL": _JS_Eval_OpenURL,
 "JS_FileSystem_Initialize": _JS_FileSystem_Initialize,
 "JS_FileSystem_Sync": _JS_FileSystem_Sync,
 "JS_GetRandomBytes": _JS_GetRandomBytes,
 "JS_Get_WASM_Size": _JS_Get_WASM_Size,
 "JS_GravitySensor_IsRunning": _JS_GravitySensor_IsRunning,
 "JS_GravitySensor_Start": _JS_GravitySensor_Start,
 "JS_GravitySensor_Stop": _JS_GravitySensor_Stop,
 "JS_Gyroscope_IsRunning": _JS_Gyroscope_IsRunning,
 "JS_Gyroscope_Start": _JS_Gyroscope_Start,
 "JS_Gyroscope_Stop": _JS_Gyroscope_Stop,
 "JS_Init_ContextMenuHandler": _JS_Init_ContextMenuHandler,
 "JS_Init_CopyPaste": _JS_Init_CopyPaste,
 "JS_LinearAccelerationSensor_IsRunning": _JS_LinearAccelerationSensor_IsRunning,
 "JS_LinearAccelerationSensor_Start": _JS_LinearAccelerationSensor_Start,
 "JS_LinearAccelerationSensor_Stop": _JS_LinearAccelerationSensor_Stop,
 "JS_Log_Dump": _JS_Log_Dump,
 "JS_Log_StackTrace": _JS_Log_StackTrace,
 "JS_MobileKeybard_GetIgnoreBlurEvent": _JS_MobileKeybard_GetIgnoreBlurEvent,
 "JS_MobileKeyboard_GetKeyboardStatus": _JS_MobileKeyboard_GetKeyboardStatus,
 "JS_MobileKeyboard_GetText": _JS_MobileKeyboard_GetText,
 "JS_MobileKeyboard_GetTextSelection": _JS_MobileKeyboard_GetTextSelection,
 "JS_MobileKeyboard_Hide": _JS_MobileKeyboard_Hide,
 "JS_MobileKeyboard_SetCharacterLimit": _JS_MobileKeyboard_SetCharacterLimit,
 "JS_MobileKeyboard_SetText": _JS_MobileKeyboard_SetText,
 "JS_MobileKeyboard_SetTextSelection": _JS_MobileKeyboard_SetTextSelection,
 "JS_MobileKeyboard_Show": _JS_MobileKeyboard_Show,
 "JS_Module_WebGLContextAttributes_PowerPreference": _JS_Module_WebGLContextAttributes_PowerPreference,
 "JS_Module_WebGLContextAttributes_PremultipliedAlpha": _JS_Module_WebGLContextAttributes_PremultipliedAlpha,
 "JS_Module_WebGLContextAttributes_PreserveDrawingBuffer": _JS_Module_WebGLContextAttributes_PreserveDrawingBuffer,
 "JS_OrientationSensor_IsRunning": _JS_OrientationSensor_IsRunning,
 "JS_OrientationSensor_Start": _JS_OrientationSensor_Start,
 "JS_OrientationSensor_Stop": _JS_OrientationSensor_Stop,
 "JS_RequestDeviceSensorPermissionsOnTouch": _JS_RequestDeviceSensorPermissionsOnTouch,
 "JS_RunQuitCallbacks": _JS_RunQuitCallbacks,
 "JS_ScreenOrientation_DeInit": _JS_ScreenOrientation_DeInit,
 "JS_ScreenOrientation_Init": _JS_ScreenOrientation_Init,
 "JS_ScreenOrientation_Lock": _JS_ScreenOrientation_Lock,
 "JS_SetMainLoop": _JS_SetMainLoop,
 "JS_Sound_Create_Channel": _JS_Sound_Create_Channel,
 "JS_Sound_Create_With_Buffer": _JS_Sound_Create_With_Buffer,
 "JS_Sound_GetAudioBufferSampleRate": _JS_Sound_GetAudioBufferSampleRate,
 "JS_Sound_GetAudioContextSampleRate": _JS_Sound_GetAudioContextSampleRate,
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 "JS_Sound_GetMetaData": _JS_Sound_GetMetaData,
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 "JS_Sound_Load_PCM": _JS_Sound_Load_PCM,
 "JS_Sound_Play": _JS_Sound_Play,
 "JS_Sound_ReleaseInstance": _JS_Sound_ReleaseInstance,
 "JS_Sound_ResumeIfNeeded": _JS_Sound_ResumeIfNeeded,
 "JS_Sound_Set3D": _JS_Sound_Set3D,
 "JS_Sound_SetListenerOrientation": _JS_Sound_SetListenerOrientation,
 "JS_Sound_SetListenerPosition": _JS_Sound_SetListenerPosition,
 "JS_Sound_SetLoop": _JS_Sound_SetLoop,
 "JS_Sound_SetLoopPoints": _JS_Sound_SetLoopPoints,
 "JS_Sound_SetPaused": _JS_Sound_SetPaused,
 "JS_Sound_SetPitch": _JS_Sound_SetPitch,
 "JS_Sound_SetPosition": _JS_Sound_SetPosition,
 "JS_Sound_SetVolume": _JS_Sound_SetVolume,
 "JS_Sound_Stop": _JS_Sound_Stop,
 "JS_SystemInfo_GetAnimationFrameRate": _JS_SystemInfo_GetAnimationFrameRate,
 "JS_SystemInfo_GetBrowserName": _JS_SystemInfo_GetBrowserName,
 "JS_SystemInfo_GetBrowserVersionString": _JS_SystemInfo_GetBrowserVersionString,
 "JS_SystemInfo_GetCanvasClientSize": _JS_SystemInfo_GetCanvasClientSize,
 "JS_SystemInfo_GetDocumentURL": _JS_SystemInfo_GetDocumentURL,
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 "JS_SystemInfo_GetMatchWebGLToCanvasSize": _JS_SystemInfo_GetMatchWebGLToCanvasSize,
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 "JS_SystemInfo_GetPreferredDevicePixelRatio": _JS_SystemInfo_GetPreferredDevicePixelRatio,
 "JS_SystemInfo_GetScreenSize": _JS_SystemInfo_GetScreenSize,
 "JS_SystemInfo_GetStreamingAssetsURL": _JS_SystemInfo_GetStreamingAssetsURL,
 "JS_SystemInfo_HasAstcHdr": _JS_SystemInfo_HasAstcHdr,
 "JS_SystemInfo_HasCursorLock": _JS_SystemInfo_HasCursorLock,
 "JS_SystemInfo_HasFullscreen": _JS_SystemInfo_HasFullscreen,
 "JS_SystemInfo_HasWebGL": _JS_SystemInfo_HasWebGL,
 "JS_SystemInfo_HasWebGPU": _JS_SystemInfo_HasWebGPU,
 "JS_SystemInfo_IsMobile": _JS_SystemInfo_IsMobile,
 "JS_UnityEngineShouldQuit": _JS_UnityEngineShouldQuit,
 "JS_WebCamVideo_GetNativeHeight": _JS_WebCamVideo_GetNativeHeight,
 "JS_WebCamVideo_GetNativeWidth": _JS_WebCamVideo_GetNativeWidth,
 "JS_WebCamVideo_GrabFrame": _JS_WebCamVideo_GrabFrame,
 "JS_WebGPU_SetCommandEncoder": _JS_WebGPU_SetCommandEncoder,
 "JS_WebGPU_Setup": _JS_WebGPU_Setup,
 "JS_WebPlayer_FinishInitialization": _JS_WebPlayer_FinishInitialization,
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 "glCopyTexSubImage2D": _glCopyTexSubImage2D,
 "glCreateProgram": _glCreateProgram,
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 "glDeleteFramebuffers": _glDeleteFramebuffers,
 "glDeleteProgram": _glDeleteProgram,
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 "glDrawElementsInstanced": _glDrawElementsInstanced,
 "glEnable": _glEnable,
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 "glFinish": _glFinish,
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 "glGetActiveAttrib": _glGetActiveAttrib,
 "glGetActiveUniform": _glGetActiveUniform,
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 "wgpu_buffer_unmap": _wgpu_buffer_unmap,
 "wgpu_canvas_context_configure": _wgpu_canvas_context_configure,
 "wgpu_canvas_context_get_current_texture": _wgpu_canvas_context_get_current_texture,
 "wgpu_canvas_get_webgpu_context": _wgpu_canvas_get_webgpu_context,
 "wgpu_command_encoder_begin_compute_pass": _wgpu_command_encoder_begin_compute_pass,
 "wgpu_command_encoder_begin_render_pass": _wgpu_command_encoder_begin_render_pass,
 "wgpu_command_encoder_copy_buffer_to_buffer": _wgpu_command_encoder_copy_buffer_to_buffer,
 "wgpu_command_encoder_copy_texture_to_buffer": _wgpu_command_encoder_copy_texture_to_buffer,
 "wgpu_command_encoder_copy_texture_to_texture": _wgpu_command_encoder_copy_texture_to_texture,
 "wgpu_compute_pass_encoder_dispatch_workgroups": _wgpu_compute_pass_encoder_dispatch_workgroups,
 "wgpu_compute_pass_encoder_dispatch_workgroups_indirect": _wgpu_compute_pass_encoder_dispatch_workgroups_indirect,
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 "wgpu_device_create_bind_group_layout": _wgpu_device_create_bind_group_layout,
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 "wgpu_device_create_compute_pipeline": _wgpu_device_create_compute_pipeline,
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 "wgpu_device_create_render_pipeline": _wgpu_device_create_render_pipeline,
 "wgpu_device_create_sampler": _wgpu_device_create_sampler,
 "wgpu_device_create_shader_module": _wgpu_device_create_shader_module,
 "wgpu_device_create_texture": _wgpu_device_create_texture,
 "wgpu_device_get_queue": _wgpu_device_get_queue,
 "wgpu_device_pop_error_scope_async": _wgpu_device_pop_error_scope_async,
 "wgpu_device_push_error_scope": _wgpu_device_push_error_scope,
 "wgpu_device_set_uncapturederror_callback": _wgpu_device_set_uncapturederror_callback,
 "wgpu_encoder_end": _wgpu_encoder_end,
 "wgpu_encoder_finish": _wgpu_encoder_finish,
 "wgpu_encoder_pop_debug_group": _wgpu_encoder_pop_debug_group,
 "wgpu_encoder_push_debug_group": _wgpu_encoder_push_debug_group,
 "wgpu_encoder_set_bind_group": _wgpu_encoder_set_bind_group,
 "wgpu_encoder_set_pipeline": _wgpu_encoder_set_pipeline,
 "wgpu_is_valid_object": _wgpu_is_valid_object,
 "wgpu_object_destroy": _wgpu_object_destroy,
 "wgpu_object_set_label": _wgpu_object_set_label,
 "wgpu_queue_submit_multiple_and_destroy": _wgpu_queue_submit_multiple_and_destroy,
 "wgpu_queue_submit_one_and_destroy": _wgpu_queue_submit_one_and_destroy,
 "wgpu_queue_write_buffer": _wgpu_queue_write_buffer,
 "wgpu_queue_write_texture": _wgpu_queue_write_texture,
 "wgpu_render_commands_mixin_draw": _wgpu_render_commands_mixin_draw,
 "wgpu_render_commands_mixin_draw_indexed": _wgpu_render_commands_mixin_draw_indexed,
 "wgpu_render_commands_mixin_draw_indexed_indirect": _wgpu_render_commands_mixin_draw_indexed_indirect,
 "wgpu_render_commands_mixin_draw_indirect": _wgpu_render_commands_mixin_draw_indirect,
 "wgpu_render_commands_mixin_set_index_buffer": _wgpu_render_commands_mixin_set_index_buffer,
 "wgpu_render_commands_mixin_set_vertex_buffer": _wgpu_render_commands_mixin_set_vertex_buffer,
 "wgpu_render_pass_encoder_set_scissor_rect": _wgpu_render_pass_encoder_set_scissor_rect,
 "wgpu_render_pass_encoder_set_stencil_reference": _wgpu_render_pass_encoder_set_stencil_reference,
 "wgpu_render_pass_encoder_set_viewport": _wgpu_render_pass_encoder_set_viewport,
 "wgpu_texture_create_view": _wgpu_texture_create_view,
 "wgpu_texture_create_view_simple": _wgpu_texture_create_view_simple
};

var asm = createWasm();

var ___wasm_call_ctors = createExportWrapper("__wasm_call_ctors");

var _GetFakemodTimeInSeconds = Module["_GetFakemodTimeInSeconds"] = createExportWrapper("GetFakemodTimeInSeconds");

var _ReleaseKeys = Module["_ReleaseKeys"] = createExportWrapper("ReleaseKeys");

var _GetCopyBufferAsCStr = Module["_GetCopyBufferAsCStr"] = createExportWrapper("GetCopyBufferAsCStr");

var _getMetricsInfo = Module["_getMetricsInfo"] = createExportWrapper("getMetricsInfo");

var _SendMessageNumber = Module["_SendMessageNumber"] = createExportWrapper("SendMessageNumber");

var _SendMessageString = Module["_SendMessageString"] = createExportWrapper("SendMessageString");

var _SendMessage = Module["_SendMessage"] = createExportWrapper("SendMessage");

var _SetFullscreen = Module["_SetFullscreen"] = createExportWrapper("SetFullscreen");

var _ConnectToProfiler = Module["_ConnectToProfiler"] = createExportWrapper("ConnectToProfiler");

var _StopProfiling = Module["_StopProfiling"] = createExportWrapper("StopProfiling");

var _IsConnectedToProfiler = Module["_IsConnectedToProfiler"] = createExportWrapper("IsConnectedToProfiler");

var _main = Module["_main"] = createExportWrapper("__main_argc_argv");

var _SendPasteEvent = Module["_SendPasteEvent"] = createExportWrapper("SendPasteEvent");

var ___errno_location = createExportWrapper("__errno_location");

var _fflush = Module["_fflush"] = createExportWrapper("fflush");

var _htonl = createExportWrapper("htonl");

var _htons = createExportWrapper("htons");

var _ntohs = createExportWrapper("ntohs");

var _malloc = createExportWrapper("malloc");

var _free = Module["_free"] = createExportWrapper("free");

var _emscripten_builtin_memalign = createExportWrapper("emscripten_builtin_memalign");

var ___trap = function() {
 return (___trap = Module["asm"]["__trap"]).apply(null, arguments);
};

var _emscripten_stack_init = function() {
 return (_emscripten_stack_init = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
};

var _emscripten_stack_get_free = function() {
 return (_emscripten_stack_get_free = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
};

var _emscripten_stack_get_base = function() {
 return (_emscripten_stack_get_base = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments);
};

var _emscripten_stack_get_end = function() {
 return (_emscripten_stack_get_end = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
};

var stackSave = createExportWrapper("stackSave");

var stackRestore = createExportWrapper("stackRestore");

var stackAlloc = createExportWrapper("stackAlloc");

var _emscripten_stack_get_current = function() {
 return (_emscripten_stack_get_current = Module["asm"]["emscripten_stack_get_current"]).apply(null, arguments);
};

var ___cxa_demangle = createExportWrapper("__cxa_demangle");

var ___cxa_decrement_exception_refcount = Module["___cxa_decrement_exception_refcount"] = createExportWrapper("__cxa_decrement_exception_refcount");

var ___cxa_increment_exception_refcount = Module["___cxa_increment_exception_refcount"] = createExportWrapper("__cxa_increment_exception_refcount");

var ___thrown_object_from_unwind_exception = Module["___thrown_object_from_unwind_exception"] = createExportWrapper("__thrown_object_from_unwind_exception");

var ___get_exception_message = Module["___get_exception_message"] = createExportWrapper("__get_exception_message");

Module["addRunDependency"] = addRunDependency;

Module["removeRunDependency"] = removeRunDependency;

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["ccall"] = ccall;

Module["cwrap"] = cwrap;

Module["stackTrace"] = stackTrace;

var missingLibrarySymbols = [ "convertPCtoSourceLocation", "readEmAsmArgs", "jstoi_s", "listenOnce", "autoResumeAudioContext", "getDynCaller", "dynCall", "runtimeKeepalivePush", "runtimeKeepalivePop", "asmjsMangle", "HandleAllocator", "getNativeTypeSize", "STACK_SIZE", "STACK_ALIGN", "POINTER_SIZE", "ASSERTIONS", "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "convertI32PairToI53Checked", "uleb128Encode", "sigToWasmTypes", "generateFuncType", "convertJsFunctionToWasm", "getEmptyTableSlot", "updateTableMap", "getFunctionAddress", "addFunction", "removeFunction", "intArrayToString", "AsciiToString", "UTF16ToString", "stringToUTF16", "lengthBytesUTF16", "UTF32ToString", "stringToUTF32", "lengthBytesUTF32", "registerUiEventCallback", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "hideEverythingExceptGivenElement", "restoreHiddenElements", "softFullscreenResizeWebGLRenderTarget", "registerPointerlockErrorEventCallback", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerBeforeUnloadEventCallback", "fillBatteryEventData", "battery", "registerBatteryEventCallback", "checkWasiClock", "wasiRightsToMuslOFlags", "wasiOFlagsToMuslOFlags", "createDyncallWrapper", "setImmediateWrapped", "clearImmediateWrapped", "polyfillSetImmediate", "getPromise", "makePromise", "idsToPromises", "makePromiseCallback", "_setNetworkCallback", "writeGLArray", "registerWebGlEventCallback", "runAndAbortIfError", "SDL_unicode", "SDL_ttfContext", "SDL_audio", "GLFW_Window", "ALLOC_NORMAL", "ALLOC_STACK", "allocate", "writeStringToMemory", "writeAsciiToMemory", "wgpuPipelineCreationFailed", "wgpuOffscreenCanvasListener", "geolocationId", "JS_DeviceOrientationPermissions", "JS_CalculateHeading", "JS_OrientationEventHandler", "JS_RegisterCompass", "Microphone_UpdateDevices", "videoInstanceIdCounter", "jsVideoEnded", "jsVideoAllAudioTracksAreDisabled", "jsVideoAddPendingBlockedVideo", "jsVideoPlayPendingBlockedVideo", "jsVideoRemovePendingBlockedVideo", "jsVideoAttemptToPlayBlockedVideos", "jsVideoCreateTexture2D", "jsIsWebkit", "cameraAccess", "webgpu_LoadCache", "getStringHash", "storeWebGPUObjectCache", "jsWebRequestGetResponseHeaderString" ];

missingLibrarySymbols.forEach(missingLibrarySymbol);

var unexportedSymbols = [ "run", "addOnPreRun", "addOnInit", "addOnPreMain", "addOnExit", "addOnPostRun", "FS_createFolder", "FS_createLazyFile", "FS_createLink", "FS_createDevice", "FS_unlink", "out", "err", "callMain", "abort", "keepRuntimeAlive", "wasmMemory", "stackAlloc", "stackSave", "stackRestore", "getTempRet0", "setTempRet0", "writeStackCookie", "checkStackCookie", "ptrToString", "zeroMemory", "exitJS", "getHeapMax", "abortOnCannotGrowMemory", "emscripten_realloc_buffer", "ENV", "MONTH_DAYS_REGULAR", "MONTH_DAYS_LEAP", "MONTH_DAYS_REGULAR_CUMULATIVE", "MONTH_DAYS_LEAP_CUMULATIVE", "isLeapYear", "ydayFromDate", "arraySum", "addDays", "ERRNO_CODES", "ERRNO_MESSAGES", "setErrNo", "inetPton4", "inetNtop4", "inetPton6", "inetNtop6", "readSockaddr", "writeSockaddr", "DNS", "getHostByName", "Protocols", "Sockets", "initRandomFill", "randomFill", "timers", "warnOnce", "traverseStack", "getCallstack", "emscriptenLog", "UNWIND_CACHE", "readEmAsmArgsArray", "jstoi_q", "getExecutableName", "handleException", "callUserCallback", "maybeExit", "safeSetTimeout", "asyncLoad", "alignMemory", "mmapAlloc", "writeI53ToI64", "readI53FromI64", "readI53FromU64", "convertI32PairToI53", "convertU32PairToI53", "MAX_INT53", "MIN_INT53", "bigintToI53Checked", "getCFunc", "freeTableIndexes", "functionsInTableMap", "reallyNegative", "unSign", "strLen", "reSign", "formatString", "setValue", "getValue", "PATH", "PATH_FS", "UTF8Decoder", "UTF8ArrayToString", "UTF8ToString", "stringToUTF8Array", "stringToUTF8", "lengthBytesUTF8", "intArrayFromString", "stringToAscii", "UTF16Decoder", "stringToNewUTF8", "stringToUTF8OnStack", "writeArrayToMemory", "SYSCALLS", "getSocketFromFD", "getSocketAddress", "JSEvents", "registerKeyEventCallback", "specialHTMLTargets", "maybeCStringToJsString", "findEventTarget", "findCanvasEventTarget", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerFocusEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "setLetterbox", "currentFullscreenStrategy", "restoreOldWindowedStyle", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "requestPointerLock", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "setCanvasElementSize", "getCanvasElementSize", "demangle", "demangleAll", "jsStackTrace", "ExitStatus", "getEnvStrings", "doReadv", "doWritev", "dlopenMissingError", "promiseMap", "getExceptionMessageCommon", "getCppExceptionTag", "getCppExceptionThrownObjectFromWebAssemblyException", "incrementExceptionRefcount", "decrementExceptionRefcount", "getExceptionMessage", "Browser", "setMainLoop", "wget", "preloadPlugins", "FS_createPreloadedFile", "FS_modeStringToFlags", "FS_getMode", "FS", "MEMFS", "TTY", "PIPEFS", "SOCKFS", "tempFixedLengthArray", "miniTempWebGLFloatBuffers", "miniTempWebGLIntBuffers", "heapObjectForWebGLType", "heapAccessShiftForWebGLHeap", "webgl_enable_ANGLE_instanced_arrays", "webgl_enable_OES_vertex_array_object", "webgl_enable_WEBGL_draw_buffers", "webgl_enable_WEBGL_multi_draw", "GL", "emscriptenWebGLGet", "computeUnpackAlignedImageSize", "colorChannelsInGlTextureFormat", "emscriptenWebGLGetTexPixelData", "__glGenObject", "emscriptenWebGLGetUniform", "webglGetUniformLocation", "webglPrepareUniformLocationsBeforeFirstUse", "webglGetLeftBracePos", "emscriptenWebGLGetVertexAttrib", "__glGetActiveAttribOrUniform", "webglApplyExplicitProgramBindings", "emscriptenWebGLGetBufferBinding", "emscriptenWebGLValidateMapBufferTarget", "emscripten_webgl_power_preferences", "AL", "GLUT", "EGL", "GLEW", "IDBStore", "SDL", "SDL_gfx", "GLFW", "emscriptenWebGLGetIndexed", "webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance", "webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance", "remove_cpp_comments_in_shaders", "find_closing_parens_index", "preprocess_c_code", "allocateUTF8", "allocateUTF8OnStack", "WEBAudio", "jsAudioMixinSetPitch", "jsAudioGetMimeTypeFromType", "jsAudioCreateCompressedSoundClip", "jsAudioCreateUncompressedSoundClip", "jsAudioCreateUncompressedSoundClipFromPCM", "jsAudioCreateUncompressedSoundClipFromCompressedAudio", "jsAudioCreateChannel", "jsDomCssEscapeId", "jsCanvasSelector", "wgpu", "wgpuOffscreenCanvases", "wgpuIdCounter", "wgpuStore", "wgpuLinkParentAndChild", "wgpuStoreAndSetParent", "wgpuReadArrayOfItemsMaybeNull", "wgpuReadArrayOfItems", "wgpuReadI53FromU64HeapIdx", "wgpuWriteI53ToU64HeapIdx", "wgpu_checked_shift", "utf8", "GPUTextureAndVertexFormats", "GPUBlendFactors", "GPUStencilOperations", "GPUCompareFunctions", "GPUBlendOperations", "GPUIndexFormats", "GPUTextureDimensions", "GPUTextureViewDimensions", "GPUStorageTextureSampleTypes", "GPUAddressModes", "GPUTextureAspects", "GPUPrimitiveTopologys", "GPUBufferBindingTypes", "GPUSamplerBindingTypes", "GPUTextureSampleTypes", "GPUQueryTypes", "HTMLPredefinedColorSpaces", "GPUFilterModes", "GPULoadOps", "GPUStoreOps", "GPUCanvasToneMappingModes", "GPUCanvasAlphaModes", "GPUAutoLayoutMode", "wgpuReadAdapterOptions", "wgpuReadSupportedLimits", "wgpuReadQueueDescriptor", "wgpuReadFeaturesBitfield", "wgpuReadDeviceDescriptor", "wgpuReadShaderModuleCompilationHints", "wgpuReadShaderModuleDescriptor", "wgpuReadGpuStencilFaceState", "wgpuReadGpuBlendComponent", "wgpuReadRenderPipelineDescriptor", "wgpuReadBindGroupLayoutDescriptor", "wgpuReadConstants", "wgpuReadComputePipelineDescriptor", "wgpuReadTimestampWrites", "wgpuReadRenderPassDepthStencilAttachment", "wgpuReadGpuTexelCopyBufferInfo", "wgpuReadGpuTexelCopyTextureInfo", "orientationEventHandler", "unregisterCompass", "isPushedToDeinitializer", "LogErrorWithAdditionalInformation", "ExceptionsSeen", "MediaAccessState", "Microphone_Access", "Microphone_DeviceChangeHandlerAttached", "Microphones", "Microphone_GetMediaStream", "Microphone_CopyAudioBuffer", "Microphone_DecompressAudioBuffer", "Microphone_CreateSoundClipForRecording", "mobile_input", "mobile_input_text", "mobile_input_hide_delay", "mobile_input_ignore_blur_event", "JS_ScreenOrientation_callback", "JS_ScreenOrientation_eventHandler", "JS_ScreenOrientation_requestedLockType", "JS_ScreenOrientation_appliedLockType", "JS_ScreenOrientation_timeoutID", "JS_OrientationSensor_frequencyRequest", "JS_OrientationSensor_callback", "JS_OrientationSensor", "JS_Accelerometer_frequencyRequest", "JS_Accelerometer_callback", "JS_Accelerometer", "JS_Accelerometer_multiplier", "JS_LinearAccelerationSensor_frequencyRequest", "JS_LinearAccelerationSensor_callback", "JS_LinearAccelerationSensor", "JS_GravitySensor_frequencyRequest", "JS_GravitySensor_callback", "JS_GravitySensor", "JS_Accelerometer_frequency", "JS_Accelerometer_lastValue", "JS_LinearAccelerationSensor_frequency", "JS_Gyroscope_frequencyRequest", "JS_Gyroscope_callback", "JS_Gyroscope", "JS_DeviceSensorPermissions", "JS_DefineAccelerometerMultiplier", "JS_RequestDeviceSensorPermissions", "JS_OrientationSensor_eventHandler", "JS_Accelerometer_eventHandler", "JS_ComputeGravity", "JS_LinearAccelerationSensor_eventHandler", "JS_GravitySensor_eventHandler", "JS_Gyroscope_eventHandler", "JS_DeviceOrientation_eventHandler", "JS_DeviceMotion_eventHandler", "JS_DeviceMotion_add", "JS_DeviceMotion_remove", "miniTempWebGLUIntBuffers", "computeUnpackAlignedImageSize3D", "emscriptenWebGLGetTexPixelData3D", "videoInstances", "hasSRGBATextures", "s2lTexture", "s2lFBO", "s2lVBO", "s2lProgram", "s2lVertexPositionNDC", "jsVideoPendingBlockedVideos", "jsSupportedVideoFormats", "jsUnsupportedVideoFormats", "activeWebCams", "webgpu_cache_database", "webgpu_cache", "webgpu_buildID", "wr", "IDBFS" ];

unexportedSymbols.forEach(unexportedRuntimeSymbol);

var calledRun;

dependenciesFulfilled = function runCaller() {
 if (!calledRun) run();
 if (!calledRun) dependenciesFulfilled = runCaller;
};

function callMain(args = []) {
 assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
 assert(__ATPRERUN__.length == 0, "cannot call main when preRun functions remain to be called");
 var entryFunction = _main;
 args.unshift(thisProgram);
 var argc = args.length;
 var argv = stackAlloc((argc + 1) * 4);
 var argv_ptr = argv >> 2;
 args.forEach(arg => {
  HEAP32[argv_ptr++ >>> 0] = stringToUTF8OnStack(arg);
 });
 HEAP32[argv_ptr >>> 0] = 0;
 try {
  var ret = entryFunction(argc, argv);
  exitJS(ret, true);
  return ret;
 } catch (e) {
  return handleException(e);
 }
}

function stackCheckInit() {
 _emscripten_stack_init();
 writeStackCookie();
}

function run(args = arguments_) {
 if (runDependencies > 0) {
  return;
 }
 stackCheckInit();
 preRun();
 if (runDependencies > 0) {
  return;
 }
 function doRun() {
  if (calledRun) return;
  calledRun = true;
  Module["calledRun"] = true;
  if (ABORT) return;
  initRuntime();
  preMain();
  readyPromiseResolve(Module);
  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
  if (shouldRunNow) callMain(args);
  postRun();
 }
 if (Module["setStatus"]) {
  Module["setStatus"]("Running...");
  setTimeout(function() {
   setTimeout(function() {
    Module["setStatus"]("");
   }, 1);
   doRun();
  }, 1);
 } else {
  doRun();
 }
 checkStackCookie();
}

function checkUnflushedContent() {
 var oldOut = out;
 var oldErr = err;
 var has = false;
 out = err = x => {
  has = true;
 };
 try {
  _fflush(0);
  [ "stdout", "stderr" ].forEach(function(name) {
   var info = FS.analyzePath("/dev/" + name);
   if (!info) return;
   var stream = info.object;
   var rdev = stream.rdev;
   var tty = TTY.ttys[rdev];
   if (tty && tty.output && tty.output.length) {
    has = true;
   }
  });
 } catch (e) {}
 out = oldOut;
 err = oldErr;
 if (has) {
  warnOnce("stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.");
 }
}

if (Module["preInit"]) {
 if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
 while (Module["preInit"].length > 0) {
  Module["preInit"].pop()();
 }
}

var shouldRunNow = true;

if (Module["noInitialRun"]) shouldRunNow = false;

run();


  return unityFramework.ready
}

);
})();
if (typeof exports === 'object' && typeof module === 'object')
  module.exports = unityFramework;
else if (typeof define === 'function' && define['amd'])
  define([], function() { return unityFramework; });
else if (typeof exports === 'object')
  exports["unityFramework"] = unityFramework;

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