websockets-doom.js

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

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

var arguments_ = [];

var thisProgram = "./this.program";

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

var ENVIRONMENT_IS_WEB = typeof window == "object";

var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";

var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";

var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;

var scriptDirectory = "";

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

var read_, readAsync, readBinary;

if (ENVIRONMENT_IS_NODE) {
 var fs = require("fs");
 var nodePath = require("path");
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = nodePath.dirname(scriptDirectory) + "/";
 } else {
  scriptDirectory = __dirname + "/";
 }
 read_ = (filename, binary) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  return fs.readFileSync(filename, binary ? undefined : "utf8");
 };
 readBinary = filename => {
  var ret = read_(filename, true);
  if (!ret.buffer) {
   ret = new Uint8Array(ret);
  }
  return ret;
 };
 readAsync = (filename, onload, onerror, binary = true) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  fs.readFile(filename, binary ? undefined : "utf8", (err, data) => {
   if (err) onerror(err); else onload(binary ? data.buffer : data);
  });
 };
 if (!Module["thisProgram"] && process.argv.length > 1) {
  thisProgram = process.argv[1].replace(/\\/g, "/");
 }
 arguments_ = process.argv.slice(2);
 if (typeof module != "undefined") {
  module["exports"] = Module;
 }
 process.on("uncaughtException", ex => {
  if (ex !== "unwind" && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
   throw ex;
  }
 });
 quit_ = (status, toThrow) => {
  process.exitCode = status;
  throw toThrow;
 };
 Module["inspect"] = () => "[Emscripten Module object]";
} 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 (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 {
  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(/** @type{!ArrayBuffer} */ (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);
  };
 }
} else  {}

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

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

Object.assign(Module, moduleOverrides);

moduleOverrides = null;

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

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

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

var wasmBinary;

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

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

/** @param {number|boolean=} isFloat */ function getSafeHeapType(bytes, isFloat) {
 switch (bytes) {
 case 1:
  return "i8";

 case 2:
  return "i16";

 case 4:
  return isFloat ? "float" : "i32";

 case 8:
  return isFloat ? "double" : "i64";

 default:
  assert(0, `getSafeHeapType() invalid bytes=${bytes}`);
 }
}

/** @param {number|boolean=} isFloat */ function SAFE_HEAP_STORE(dest, value, bytes, isFloat) {
 if (dest <= 0) abort(`segmentation fault storing ${bytes} bytes to address ${dest}`);
 if (dest % bytes !== 0) abort(`alignment error storing to address ${dest}, which was expected to be aligned to a multiple of ${bytes}`);
 if (runtimeInitialized && !runtimeExited) {
  var brk = _sbrk(0);
  if (dest + bytes > brk) abort(`segmentation fault, exceeded the top of the available dynamic heap when storing ${bytes} bytes to address ${dest}. DYNAMICTOP=${brk}`);
  assert(brk >= _emscripten_stack_get_base(), `brk >= _emscripten_stack_get_base() (brk=${brk}, _emscripten_stack_get_base()=${_emscripten_stack_get_base()})`);
  assert(brk <= wasmMemory.buffer.byteLength, `brk <= wasmMemory.buffer.byteLength (brk=${brk}, wasmMemory.buffer.byteLength=${wasmMemory.buffer.byteLength})`);
 }
 setValue_safe(dest, value, getSafeHeapType(bytes, isFloat));
 return value;
}

function SAFE_HEAP_STORE_D(dest, value, bytes) {
 return SAFE_HEAP_STORE(dest, value, bytes, true);
}

/** @param {number|boolean=} isFloat */ function SAFE_HEAP_LOAD(dest, bytes, unsigned, isFloat) {
 if (dest <= 0) abort(`segmentation fault loading ${bytes} bytes from address ${dest}`);
 if (dest % bytes !== 0) abort(`alignment error loading from address ${dest}, which was expected to be aligned to a multiple of ${bytes}`);
 if (runtimeInitialized && !runtimeExited) {
  var brk = _sbrk(0);
  if (dest + bytes > brk) abort(`segmentation fault, exceeded the top of the available dynamic heap when loading ${bytes} bytes from address ${dest}. DYNAMICTOP=${brk}`);
  assert(brk >= _emscripten_stack_get_base(), `brk >= _emscripten_stack_get_base() (brk=${brk}, _emscripten_stack_get_base()=${_emscripten_stack_get_base()})`);
  assert(brk <= wasmMemory.buffer.byteLength, `brk <= wasmMemory.buffer.byteLength (brk=${brk}, wasmMemory.buffer.byteLength=${wasmMemory.buffer.byteLength})`);
 }
 var type = getSafeHeapType(bytes, isFloat);
 var ret = getValue_safe(dest, type);
 if (unsigned) ret = unSign(ret, parseInt(type.substr(1), 10));
 return ret;
}

function SAFE_HEAP_LOAD_D(dest, bytes, unsigned) {
 return SAFE_HEAP_LOAD(dest, bytes, unsigned, true);
}

function SAFE_FT_MASK(value, mask) {
 var ret = value & mask;
 if (ret !== value) {
  abort(`Function table mask error: function pointer is ${value} which is masked by ${mask}, the likely cause of this is that the function pointer is being called by the wrong type.`);
 }
 return ret;
}

function segfault() {
 abort("segmentation fault");
}

function alignfault() {
 abort("alignment fault");
}

var wasmMemory;

var ABORT = false;

var EXITSTATUS;

/** @type {function(*, string=)} */ function assert(condition, text) {
 if (!condition) {
  abort(text);
 }
}

var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64;

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

function writeStackCookie() {
 var max = _emscripten_stack_get_end();
 if (max == 0) {
  max += 4;
 }
 SAFE_HEAP_STORE(((max) >> 2) * 4, 34821223, 4);
 SAFE_HEAP_STORE((((max) + (4)) >> 2) * 4, 2310721022, 4);
}

function checkStackCookie() {
 if (ABORT) return;
 var max = _emscripten_stack_get_end();
 if (max == 0) {
  max += 4;
 }
 var cookie1 = SAFE_HEAP_LOAD(((max) >> 2) * 4, 4, 1);
 var cookie2 = SAFE_HEAP_LOAD((((max) + (4)) >> 2) * 4, 4, 1);
 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)}`);
 }
}

var __ATPRERUN__ = [];

var __ATINIT__ = [];

var __ATMAIN__ = [];

var __ATEXIT__ = [];

var __ATPOSTRUN__ = [];

var runtimeInitialized = false;

var runtimeExited = false;

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() {
 runtimeInitialized = true;
 checkStackCookie();
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
 FS.ignorePermissions = false;
 TTY.init();
 callRuntimeCallbacks(__ATINIT__);
}

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

function exitRuntime() {
 checkStackCookie();
 ___funcs_on_exit();
 callRuntimeCallbacks(__ATEXIT__);
 FS.quit();
 TTY.shutdown();
 runtimeExited = true;
}

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) {
 __ATEXIT__.unshift(cb);
}

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

var runDependencies = 0;

var runDependencyWatcher = null;

var dependenciesFulfilled = null;

function getUniqueRunDependency(id) {
 return id;
}

function addRunDependency(id) {
 runDependencies++;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
}

function removeRunDependency(id) {
 runDependencies--;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (runDependencies == 0) {
  if (runDependencyWatcher !== null) {
   clearInterval(runDependencyWatcher);
   runDependencyWatcher = null;
  }
  if (dependenciesFulfilled) {
   var callback = dependenciesFulfilled;
   dependenciesFulfilled = null;
   callback();
  }
 }
}

/** @param {string|number=} what */ function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 what = "Aborted(" + what + ")";
 err(what);
 ABORT = true;
 EXITSTATUS = 1;
 what += ". Build with -sASSERTIONS for more info.";
 /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
 throw e;
}

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

/**
 * Indicates whether filename is a base64 data URI.
 * @noinline
 */ var isDataURI = filename => filename.startsWith(dataURIPrefix);

/**
 * Indicates whether filename is delivered via file protocol (as opposed to http/https)
 * @noinline
 */ var isFileURI = filename => filename.startsWith("file://");

var wasmBinaryFile;

wasmBinaryFile = "websockets-doom.wasm";

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

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

function getBinaryPromise(binaryFile) {
 if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
  if (typeof fetch == "function" && !isFileURI(binaryFile)) {
   return fetch(binaryFile, {
    credentials: "same-origin"
   }).then(response => {
    if (!response["ok"]) {
     throw "failed to load wasm binary file at '" + binaryFile + "'";
    }
    return response["arrayBuffer"]();
   }).catch(() => getBinarySync(binaryFile));
  } else if (readAsync) {
   return new Promise((resolve, reject) => {
    readAsync(binaryFile, response => resolve(new Uint8Array(/** @type{!ArrayBuffer} */ (response))), reject);
   });
  }
 }
 return Promise.resolve().then(() => getBinarySync(binaryFile));
}

function instantiateArrayBuffer(binaryFile, imports, receiver) {
 return getBinaryPromise(binaryFile).then(binary => WebAssembly.instantiate(binary, imports)).then(instance => instance).then(receiver, reason => {
  err(`failed to asynchronously prepare wasm: ${reason}`);
  abort(reason);
 });
}

function instantiateAsync(binary, binaryFile, imports, callback) {
 if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(binaryFile) &&  !isFileURI(binaryFile) &&  !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
  return fetch(binaryFile, {
   credentials: "same-origin"
  }).then(response => {
   /** @suppress {checkTypes} */ 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);
   });
  });
 }
 return instantiateArrayBuffer(binaryFile, imports, callback);
}

function createWasm() {
 var info = {
  "env": wasmImports,
  "wasi_snapshot_preview1": wasmImports
 };
 /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
  wasmExports = instance.exports;
  wasmExports = Asyncify.instrumentWasmExports(wasmExports);
  wasmMemory = wasmExports["memory"];
  updateMemoryViews();
  wasmTable = wasmExports["__indirect_function_table"];
  addOnInit(wasmExports["__wasm_call_ctors"]);
  removeRunDependency("wasm-instantiate");
  return wasmExports;
 }
 addRunDependency("wasm-instantiate");
 function receiveInstantiationResult(result) {
  receiveInstance(result["instance"]);
 }
 if (Module["instantiateWasm"]) {
  try {
   return Module["instantiateWasm"](info, receiveInstance);
  } catch (e) {
   err(`Module.instantiateWasm callback failed with error: ${e}`);
   return false;
  }
 }
 instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
 return {};
}

var tempDouble;

var tempI64;

var ASM_CONSTS = {
 448256: $0 => {
  var str = UTF8ToString($0) + "\n\n" + "Abort/Retry/Ignore/AlwaysIgnore? [ariA] :";
  var reply = window.prompt(str, "i");
  if (reply === null) {
   reply = "i";
  }
  return allocate(intArrayFromString(reply), "i8", ALLOC_NORMAL);
 },
 448481: () => {
  if (typeof (AudioContext) !== "undefined") {
   return true;
  } else if (typeof (webkitAudioContext) !== "undefined") {
   return true;
  }
  return false;
 },
 448628: () => {
  if ((typeof (navigator.mediaDevices) !== "undefined") && (typeof (navigator.mediaDevices.getUserMedia) !== "undefined")) {
   return true;
  } else if (typeof (navigator.webkitGetUserMedia) !== "undefined") {
   return true;
  }
  return false;
 },
 448862: $0 => {
  if (typeof (Module["SDL2"]) === "undefined") {
   Module["SDL2"] = {};
  }
  var SDL2 = Module["SDL2"];
  if (!$0) {
   SDL2.audio = {};
  } else {
   SDL2.capture = {};
  }
  if (!SDL2.audioContext) {
   if (typeof (AudioContext) !== "undefined") {
    SDL2.audioContext = new AudioContext;
   } else if (typeof (webkitAudioContext) !== "undefined") {
    SDL2.audioContext = new webkitAudioContext;
   }
   if (SDL2.audioContext) {
    autoResumeAudioContext(SDL2.audioContext);
   }
  }
  return SDL2.audioContext === undefined ? -1 : 0;
 },
 449355: () => {
  var SDL2 = Module["SDL2"];
  return SDL2.audioContext.sampleRate;
 },
 449423: ($0, $1, $2, $3) => {
  var SDL2 = Module["SDL2"];
  var have_microphone = function(stream) {
   if (SDL2.capture.silenceTimer !== undefined) {
    clearTimeout(SDL2.capture.silenceTimer);
    SDL2.capture.silenceTimer = undefined;
   }
   SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream);
   SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1);
   SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {
    if ((SDL2 === undefined) || (SDL2.capture === undefined)) {
     return;
    }
    audioProcessingEvent.outputBuffer.getChannelData(0).fill(0);
    SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer;
    dynCall("vi", $2, [ $3 ]);
   };
   SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);
   SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);
   SDL2.capture.stream = stream;
  };
  var no_microphone = function(error) {};
  SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
  SDL2.capture.silenceBuffer.getChannelData(0).fill(0);
  var silence_callback = function() {
   SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer;
   dynCall("vi", $2, [ $3 ]);
  };
  SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
  if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) {
   navigator.mediaDevices.getUserMedia({
    audio: true,
    video: false
   }).then(have_microphone).catch(no_microphone);
  } else if (navigator.webkitGetUserMedia !== undefined) {
   navigator.webkitGetUserMedia({
    audio: true,
    video: false
   }, have_microphone, no_microphone);
  }
 },
 451075: ($0, $1, $2, $3) => {
  var SDL2 = Module["SDL2"];
  SDL2.audio.scriptProcessorNode = SDL2.audioContext["createScriptProcessor"]($1, 0, $0);
  SDL2.audio.scriptProcessorNode["onaudioprocess"] = function(e) {
   if ((SDL2 === undefined) || (SDL2.audio === undefined)) {
    return;
   }
   SDL2.audio.currentOutputBuffer = e["outputBuffer"];
   dynCall("vi", $2, [ $3 ]);
  };
  SDL2.audio.scriptProcessorNode["connect"](SDL2.audioContext["destination"]);
 },
 451485: ($0, $1) => {
  var SDL2 = Module["SDL2"];
  var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels;
  for (var c = 0; c < numChannels; ++c) {
   var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c);
   if (channelData.length != $1) {
    throw "Web Audio capture buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
   }
   if (numChannels == 1) {
    for (var j = 0; j < $1; ++j) {
     setValue($0 + (j * 4), channelData[j], "float");
    }
   } else {
    for (var j = 0; j < $1; ++j) {
     setValue($0 + (((j * numChannels) + c) * 4), channelData[j], "float");
    }
   }
  }
 },
 452090: ($0, $1) => {
  var SDL2 = Module["SDL2"];
  var numChannels = SDL2.audio.currentOutputBuffer["numberOfChannels"];
  for (var c = 0; c < numChannels; ++c) {
   var channelData = SDL2.audio.currentOutputBuffer["getChannelData"](c);
   if (channelData.length != $1) {
    throw "Web Audio output buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
   }
   for (var j = 0; j < $1; ++j) {
    channelData[j] = SAFE_HEAP_LOAD_D(($0 + ((j * numChannels + c) << 2) >> 2) * 4, 4, 0);
   }
  }
 },
 452570: $0 => {
  var SDL2 = Module["SDL2"];
  if ($0) {
   if (SDL2.capture.silenceTimer !== undefined) {
    clearTimeout(SDL2.capture.silenceTimer);
   }
   if (SDL2.capture.stream !== undefined) {
    var tracks = SDL2.capture.stream.getAudioTracks();
    for (var i = 0; i < tracks.length; i++) {
     SDL2.capture.stream.removeTrack(tracks[i]);
    }
    SDL2.capture.stream = undefined;
   }
   if (SDL2.capture.scriptProcessorNode !== undefined) {
    SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {};
    SDL2.capture.scriptProcessorNode.disconnect();
    SDL2.capture.scriptProcessorNode = undefined;
   }
   if (SDL2.capture.mediaStreamNode !== undefined) {
    SDL2.capture.mediaStreamNode.disconnect();
    SDL2.capture.mediaStreamNode = undefined;
   }
   if (SDL2.capture.silenceBuffer !== undefined) {
    SDL2.capture.silenceBuffer = undefined;
   }
   SDL2.capture = undefined;
  } else {
   if (SDL2.audio.scriptProcessorNode != undefined) {
    SDL2.audio.scriptProcessorNode.disconnect();
    SDL2.audio.scriptProcessorNode = undefined;
   }
   SDL2.audio = undefined;
  }
  if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) {
   SDL2.audioContext.close();
   SDL2.audioContext = undefined;
  }
 },
 453742: ($0, $1, $2) => {
  var w = $0;
  var h = $1;
  var pixels = $2;
  if (!Module["SDL2"]) Module["SDL2"] = {};
  var SDL2 = Module["SDL2"];
  if (SDL2.ctxCanvas !== Module["canvas"]) {
   SDL2.ctx = Module["createContext"](Module["canvas"], false, true);
   SDL2.ctxCanvas = Module["canvas"];
  }
  if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) {
   SDL2.image = SDL2.ctx.createImageData(w, h);
   SDL2.w = w;
   SDL2.h = h;
   SDL2.imageCtx = SDL2.ctx;
  }
  var data = SDL2.image.data;
  var src = pixels >> 2;
  var dst = 0;
  var num;
  if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
   num = data.length;
   while (dst < num) {
    var val = SAFE_HEAP_LOAD(src * 4, 4, 0);
    data[dst] = val & 255;
    data[dst + 1] = (val >> 8) & 255;
    data[dst + 2] = (val >> 16) & 255;
    data[dst + 3] = 255;
    src++;
    dst += 4;
   }
  } else {
   if (SDL2.data32Data !== data) {
    SDL2.data32 = new Int32Array(data.buffer);
    SDL2.data8 = new Uint8Array(data.buffer);
    SDL2.data32Data = data;
   }
   var data32 = SDL2.data32;
   num = data32.length;
   data32.set(HEAP32.subarray(src, src + num));
   var data8 = SDL2.data8;
   var i = 3;
   var j = i + 4 * num;
   if (num % 8 == 0) {
    while (i < j) {
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
     data8[i] = 255;
     i = i + 4 | 0;
    }
   } else {
    while (i < j) {
     data8[i] = 255;
     i = i + 4 | 0;
    }
   }
  }
  SDL2.ctx.putImageData(SDL2.image, 0, 0);
 },
 455211: ($0, $1, $2, $3, $4) => {
  var w = $0;
  var h = $1;
  var hot_x = $2;
  var hot_y = $3;
  var pixels = $4;
  var canvas = document.createElement("canvas");
  canvas.width = w;
  canvas.height = h;
  var ctx = canvas.getContext("2d");
  var image = ctx.createImageData(w, h);
  var data = image.data;
  var src = pixels >> 2;
  var dst = 0;
  var num;
  if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
   num = data.length;
   while (dst < num) {
    var val = SAFE_HEAP_LOAD(src * 4, 4, 0);
    data[dst] = val & 255;
    data[dst + 1] = (val >> 8) & 255;
    data[dst + 2] = (val >> 16) & 255;
    data[dst + 3] = (val >> 24) & 255;
    src++;
    dst += 4;
   }
  } else {
   var data32 = new Int32Array(data.buffer);
   num = data32.length;
   data32.set(HEAP32.subarray(src, src + num));
  }
  ctx.putImageData(image, 0, 0);
  var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto";
  var urlBuf = _malloc(url.length + 1);
  stringToUTF8(url, urlBuf, url.length + 1);
  return urlBuf;
 },
 456200: $0 => {
  if (Module["canvas"]) {
   Module["canvas"].style["cursor"] = UTF8ToString($0);
  }
 },
 456283: () => {
  if (Module["canvas"]) {
   Module["canvas"].style["cursor"] = "none";
  }
 },
 456352: () => window.innerWidth,
 456382: () => window.innerHeight,
 456413: ($0, $1) => {
  alert(UTF8ToString($0) + "\n\n" + UTF8ToString($1));
 }
};

function hydra_set_ip(ip) {
 window.HydraMultiplayer.setIP(ip);
}

function __asyncjs__hydra_send_packet(to, from, packet, len) {
 return Asyncify.handleAsync(async () => {
  let data = HEAPU8.subarray(packet, packet + len);
  await window.HydraMultiplayer.SendPacket(to, from, data);
 });
}

/** @constructor */ function ExitStatus(status) {
 this.name = "ExitStatus";
 this.message = `Program terminated with exit(${status})`;
 this.status = status;
}

var listenOnce = (object, event, func) => {
 object.addEventListener(event, func, {
  "once": true
 });
};

/** @param {Object=} elements */ var autoResumeAudioContext = (ctx, elements) => {
 if (!elements) {
  elements = [ document, document.getElementById("canvas") ];
 }
 [ "keydown", "mousedown", "touchstart" ].forEach(event => {
  elements.forEach(element => {
   if (element) {
    listenOnce(element, event, () => {
     if (ctx.state === "suspended") ctx.resume();
    });
   }
  });
 });
};

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

var dynCallLegacy = (sig, ptr, args) => {
 var f = Module["dynCall_" + sig];
 return args && args.length ? f.apply(null, [ ptr ].concat(args)) : f.call(null, ptr);
};

var wasmTableMirror = [];

var wasmTable;

var getWasmTableEntry = funcPtr => {
 var func = wasmTableMirror[funcPtr];
 if (!func) {
  if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
  wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
 }
 return func;
};

/** @param {Object=} args */ var dynCall = (sig, ptr, args) => {
 var rtn = dynCallLegacy(sig, ptr, args);
 return rtn;
};

/**
     * @param {number} ptr
     * @param {string} type
     */ function getValue(ptr, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  return SAFE_HEAP_LOAD(((ptr) >> 0), 1, 0);

 case "i8":
  return SAFE_HEAP_LOAD(((ptr) >> 0), 1, 0);

 case "i16":
  return SAFE_HEAP_LOAD(((ptr) >> 1) * 2, 2, 0);

 case "i32":
  return SAFE_HEAP_LOAD(((ptr) >> 2) * 4, 4, 0);

 case "i64":
  abort("to do getValue(i64) use WASM_BIGINT");

 case "float":
  return SAFE_HEAP_LOAD_D(((ptr) >> 2) * 4, 4, 0);

 case "double":
  return SAFE_HEAP_LOAD_D(((ptr) >> 3) * 8, 8, 0);

 case "*":
  return SAFE_HEAP_LOAD(((ptr) >> 2) * 4, 4, 1);

 default:
  abort(`invalid type for getValue: ${type}`);
 }
}

function getValue_safe(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":
  abort("to do getValue(i64) use WASM_BIGINT");

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

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

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

 default:
  abort(`invalid type for getValue: ${type}`);
 }
}

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

var ptrToString = ptr => {
 ptr >>>= 0;
 return "0x" + ptr.toString(16).padStart(8, "0");
};

/**
     * @param {number} ptr
     * @param {number} value
     * @param {string} type
     */ function setValue(ptr, value, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  SAFE_HEAP_STORE(((ptr) >> 0), value, 1);
  break;

 case "i8":
  SAFE_HEAP_STORE(((ptr) >> 0), value, 1);
  break;

 case "i16":
  SAFE_HEAP_STORE(((ptr) >> 1) * 2, value, 2);
  break;

 case "i32":
  SAFE_HEAP_STORE(((ptr) >> 2) * 4, value, 4);
  break;

 case "i64":
  abort("to do setValue(i64) use WASM_BIGINT");

 case "float":
  SAFE_HEAP_STORE_D(((ptr) >> 2) * 4, value, 4);
  break;

 case "double":
  SAFE_HEAP_STORE_D(((ptr) >> 3) * 8, value, 8);
  break;

 case "*":
  SAFE_HEAP_STORE(((ptr) >> 2) * 4, value, 4);
  break;

 default:
  abort(`invalid type for setValue: ${type}`);
 }
}

function setValue_safe(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":
  abort("to do setValue(i64) use WASM_BIGINT");

 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}`);
 }
}

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

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

/**
     * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
     * array that contains uint8 values, returns a copy of that string as a
     * Javascript String object.
     * heapOrArray is either a regular array, or a JavaScript typed array view.
     * @param {number} idx
     * @param {number=} maxBytesToRead
     * @return {string}
     */ var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
 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 {
   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;
};

/**
     * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
     * emscripten HEAP, returns a copy of that string as a Javascript String object.
     *
     * @param {number} ptr
     * @param {number=} maxBytesToRead - An optional length that specifies the
     *   maximum number of bytes to read. You can omit this parameter to scan the
     *   string until the first 0 byte. If maxBytesToRead is passed, and the string
     *   at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
     *   string will cut short at that byte index (i.e. maxBytesToRead will not
     *   produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
     *   frequent uses of UTF8ToString() with and without maxBytesToRead may throw
     *   JS JIT optimizations off, so it is worth to consider consistently using one
     * @return {string}
     */ var UTF8ToString = (ptr, maxBytesToRead) => ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";

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

var setErrNo = value => {
 SAFE_HEAP_STORE(((___errno_location()) >> 2) * 4, value, 4);
 return value;
};

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) => PATH.normalize(l + "/" + r)
};

var initRandomFill = () => {
 if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
  return view => crypto.getRandomValues(view);
 } else if (ENVIRONMENT_IS_NODE) {
  try {
   var crypto_module = require("crypto");
   var randomFillSync = crypto_module["randomFillSync"];
   if (randomFillSync) {
    return view => crypto_module["randomFillSync"](view);
   }
   var randomBytes = crypto_module["randomBytes"];
   return view => (view.set(randomBytes(view.byteLength)),  view);
  } catch (e) {}
 }
 abort("initRandomDevice");
};

var randomFill = view => (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("/");
 }
};

var FS_stdin_getChar_buffer = [];

var 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;
};

var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
 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++] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   heap[outIdx++] = 192 | (u >> 6);
   heap[outIdx++] = 128 | (u & 63);
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   heap[outIdx++] = 224 | (u >> 12);
   heap[outIdx++] = 128 | ((u >> 6) & 63);
   heap[outIdx++] = 128 | (u & 63);
  } else {
   if (outIdx + 3 >= endIdx) break;
   heap[outIdx++] = 240 | (u >> 18);
   heap[outIdx++] = 128 | ((u >> 12) & 63);
   heap[outIdx++] = 128 | ((u >> 6) & 63);
   heap[outIdx++] = 128 | (u & 63);
  }
 }
 heap[outIdx] = 0;
 return outIdx - startIdx;
};

/** @type {function(string, boolean=, number=)} */ 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 FS_stdin_getChar = () => {
 if (!FS_stdin_getChar_buffer.length) {
  var result = null;
  if (ENVIRONMENT_IS_NODE) {
   var BUFSIZE = 256;
   var buf = Buffer.alloc(BUFSIZE);
   var bytesRead = 0;
   /** @suppress {missingProperties} */ var fd = process.stdin.fd;
   try {
    bytesRead = fs.readSync(fd, buf);
   } catch (e) {
    if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
   }
   if (bytesRead > 0) {
    result = buf.slice(0, bytesRead).toString("utf-8");
   } else {
    result = null;
   }
  } else 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;
  }
  FS_stdin_getChar_buffer = intArrayFromString(result, true);
 }
 return FS_stdin_getChar_buffer.shift();
};

var TTY = {
 ttys: [],
 init() {},
 shutdown() {},
 register(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(43);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  fsync(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  read(stream, buffer, offset, length, pos) {
   /* ignored */ 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(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(tty) {
   return FS_stdin_getChar();
  },
  put_char(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  },
  ioctl_tcgets(tty) {
   return {
    c_iflag: 25856,
    c_oflag: 5,
    c_cflag: 191,
    c_lflag: 35387,
    c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
   };
  },
  ioctl_tcsets(tty, optional_actions, data) {
   return 0;
  },
  ioctl_tiocgwinsz(tty) {
   return [ 24, 80 ];
  }
 },
 default_tty1_ops: {
  put_char(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

var zeroMemory = (address, size) => {
 HEAPU8.fill(0, address, address + size);
 return address;
};

var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment;

var 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(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, /* 0777 */ 0);
 },
 createNode(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(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(node, newCapacity) {
  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(node, newSize) {
  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(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(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(parent, name) {
   throw FS.genericErrors[44];
  },
  mknod(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename(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(parent, name) {
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  rmdir(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(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | /* 0777 */ 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(28);
   }
   return node.link;
  }
 },
 stream_ops: {
  read(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);
   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(stream, buffer, offset, length, position, canOwn) {
   if (!length) return 0;
   var node = stream.node;
   node.timestamp = Date.now();
   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
    if (canOwn) {
     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(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(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap(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);
    }
    HEAP8.set(contents, ptr);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync(stream, buffer, offset, length, mmapFlags) {
   MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

/** @param {boolean=} noRunDep */ var 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 FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);

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

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

var 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);
 }
};

var 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;
};

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

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) {
  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() {
  for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(33);
 },
 getStreamChecked(fd) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  return stream;
 },
 getStream: fd => FS.streams[fd],
 createStream(stream, fd = -1) {
  if (!FS.FSStream) {
   FS.FSStream = /** @constructor */ function() {
    this.shared = {};
   };
   FS.FSStream.prototype = {};
   Object.defineProperties(FS.FSStream.prototype, {
    object: {
     /** @this {FS.FSStream} */ get() {
      return this.node;
     },
     /** @this {FS.FSStream} */ set(val) {
      this.node = val;
     }
    },
    isRead: {
     /** @this {FS.FSStream} */ get() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     /** @this {FS.FSStream} */ get() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     /** @this {FS.FSStream} */ get() {
      return (this.flags & 1024);
     }
    },
    flags: {
     /** @this {FS.FSStream} */ get() {
      return this.shared.flags;
     },
     /** @this {FS.FSStream} */ set(val) {
      this.shared.flags = val;
     }
    },
    position: {
     /** @this {FS.FSStream} */ get() {
      return this.shared.position;
     },
     /** @this {FS.FSStream} */ set(val) {
      this.shared.position = val;
     }
    }
   });
  }
  stream = Object.assign(new FS.FSStream, stream);
  if (fd == -1) {
   fd = FS.nextfd();
  }
  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) {
   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) {
  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);
  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;
  /* 0666 */ mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir(path, mode) {
  mode = mode !== undefined ? mode : 511;
  /* 0777 */ 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;
  }
  /* 0666 */ 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.getStreamChecked(fd);
  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.getStreamChecked(fd);
  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.getStreamChecked(fd);
  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 : /* 0666 */ 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) {
  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) {
  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) {
  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, /* 0777 */ 73);
    node.node_ops = {
     lookup(parent, name) {
      var fd = +name;
      var stream = FS.getStreamChecked(fd);
      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);
 },
 ensureErrnoError() {
  if (FS.ErrnoError) return;
  FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
   this.name = "ErrnoError";
   this.node = node;
   this.setErrno = /** @this{Object} */ function(errno) {
    this.errno = errno;
   };
   this.setErrno(errno);
   this.message = "FS error";
  };
  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
  };
 },
 init(input, output, error) {
  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) {
    /* ignored */ 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) {
  /** @constructor */ function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = /** @this{Object} */ 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(/** @type{Array<number>} */ (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: /** @this{Object} */ function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: /** @this{Object} */ 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: /** @this {FSNode} */ 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);
   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;
 }
};

var SYSCALLS = {
 DEFAULT_POLLMASK: 5,
 calculateAt(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(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;
  }
  SAFE_HEAP_STORE(((buf) >> 2) * 4, stat.dev, 4);
  SAFE_HEAP_STORE((((buf) + (4)) >> 2) * 4, stat.mode, 4);
  SAFE_HEAP_STORE((((buf) + (8)) >> 2) * 4, stat.nlink, 4);
  SAFE_HEAP_STORE((((buf) + (12)) >> 2) * 4, stat.uid, 4);
  SAFE_HEAP_STORE((((buf) + (16)) >> 2) * 4, stat.gid, 4);
  SAFE_HEAP_STORE((((buf) + (20)) >> 2) * 4, stat.rdev, 4);
  (tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((buf) + (24)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((buf) + (28)) >> 2) * 4, tempI64[1], 4));
  SAFE_HEAP_STORE((((buf) + (32)) >> 2) * 4, 4096, 4);
  SAFE_HEAP_STORE((((buf) + (36)) >> 2) * 4, stat.blocks, 4);
  var atime = stat.atime.getTime();
  var mtime = stat.mtime.getTime();
  var ctime = stat.ctime.getTime();
  (tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), 
  (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((buf) + (40)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((buf) + (44)) >> 2) * 4, tempI64[1], 4));
  SAFE_HEAP_STORE((((buf) + (48)) >> 2) * 4, (atime % 1e3) * 1e3, 4);
  (tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), 
  (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((buf) + (56)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((buf) + (60)) >> 2) * 4, tempI64[1], 4));
  SAFE_HEAP_STORE((((buf) + (64)) >> 2) * 4, (mtime % 1e3) * 1e3, 4);
  (tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), 
  (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((buf) + (72)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((buf) + (76)) >> 2) * 4, tempI64[1], 4));
  SAFE_HEAP_STORE((((buf) + (80)) >> 2) * 4, (ctime % 1e3) * 1e3, 4);
  (tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((buf) + (88)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((buf) + (92)) >> 2) * 4, tempI64[1], 4));
  return 0;
 },
 doMsync(addr, stream, len, flags, offset) {
  if (!FS.isFile(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (flags & 2) {
   return 0;
  }
  var buffer = HEAPU8.slice(addr, addr + len);
  FS.msync(stream, buffer, offset, len, flags);
 },
 varargs: undefined,
 get() {
  var ret = SAFE_HEAP_LOAD(((+SYSCALLS.varargs) >> 2) * 4, 4, 0);
  SYSCALLS.varargs += 4;
  return ret;
 },
 getp() {
  return SYSCALLS.get();
 },
 getStr(ptr) {
  var ret = UTF8ToString(ptr);
  return ret;
 },
 getStreamFromFD(fd) {
  var stream = FS.getStreamChecked(fd);
  return stream;
 }
};

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;
    }
    while (FS.streams[arg]) {
     arg++;
    }
    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.getp();
    var offset = 0;
    SAFE_HEAP_STORE((((arg) + (offset)) >> 1) * 2, 2, 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;
 }
}

var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);

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;
   }
   (tempI64 = [ id >>> 0, (tempDouble = id, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
   SAFE_HEAP_STORE(((dirp + pos) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((dirp + pos) + (4)) >> 2) * 4, tempI64[1], 4));
   (tempI64 = [ (idx + 1) * struct_size >>> 0, (tempDouble = (idx + 1) * struct_size, 
   (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
   SAFE_HEAP_STORE((((dirp + pos) + (8)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((dirp + pos) + (12)) >> 2) * 4, tempI64[1], 4));
   SAFE_HEAP_STORE((((dirp + pos) + (16)) >> 1) * 2, 280, 2);
   SAFE_HEAP_STORE((((dirp + pos) + (18)) >> 0), type, 1);
   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_ioctl(fd, op, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (op) {
  case 21509:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21505:
   {
    if (!stream.tty) return -59;
    if (stream.tty.ops.ioctl_tcgets) {
     var termios = stream.tty.ops.ioctl_tcgets(stream);
     var argp = SYSCALLS.getp();
     SAFE_HEAP_STORE(((argp) >> 2) * 4, termios.c_iflag || 0, 4);
     SAFE_HEAP_STORE((((argp) + (4)) >> 2) * 4, termios.c_oflag || 0, 4);
     SAFE_HEAP_STORE((((argp) + (8)) >> 2) * 4, termios.c_cflag || 0, 4);
     SAFE_HEAP_STORE((((argp) + (12)) >> 2) * 4, termios.c_lflag || 0, 4);
     for (var i = 0; i < 32; i++) {
      SAFE_HEAP_STORE((((argp + i) + (17)) >> 0), termios.c_cc[i] || 0, 1);
     }
     return 0;
    }
    return 0;
   }

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

  case 21506:
  case 21507:
  case 21508:
   {
    if (!stream.tty) return -59;
    if (stream.tty.ops.ioctl_tcsets) {
     var argp = SYSCALLS.getp();
     var c_iflag = SAFE_HEAP_LOAD(((argp) >> 2) * 4, 4, 0);
     var c_oflag = SAFE_HEAP_LOAD((((argp) + (4)) >> 2) * 4, 4, 0);
     var c_cflag = SAFE_HEAP_LOAD((((argp) + (8)) >> 2) * 4, 4, 0);
     var c_lflag = SAFE_HEAP_LOAD((((argp) + (12)) >> 2) * 4, 4, 0);
     var c_cc = [];
     for (var i = 0; i < 32; i++) {
      c_cc.push(SAFE_HEAP_LOAD((((argp + i) + (17)) >> 0), 1, 0));
     }
     return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
      c_iflag: c_iflag,
      c_oflag: c_oflag,
      c_cflag: c_cflag,
      c_lflag: c_lflag,
      c_cc: c_cc
     });
    }
    return 0;
   }

  case 21519:
   {
    if (!stream.tty) return -59;
    var argp = SYSCALLS.getp();
    SAFE_HEAP_STORE(((argp) >> 2) * 4, 0, 4);
    return 0;
   }

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

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

  case 21523:
   {
    if (!stream.tty) return -59;
    if (stream.tty.ops.ioctl_tiocgwinsz) {
     var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
     var argp = SYSCALLS.getp();
     SAFE_HEAP_STORE(((argp) >> 1) * 2, winsize[0], 2);
     SAFE_HEAP_STORE((((argp) + (2)) >> 1) * 2, winsize[1], 2);
    }
    return 0;
   }

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

  case 21515:
   {
    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);
  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_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_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_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;
 }
}

var nowIsMonotonic = true;

var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;

var convertI32PairToI53Checked = (lo, hi) => ((hi + 2097152) >>> 0 < 4194305 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;

function __mmap_js(len, prot, flags, fd, offset_low, offset_high, allocated, addr) {
 var offset = convertI32PairToI53Checked(offset_low, offset_high);
 try {
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  var res = FS.mmap(stream, len, offset, prot, flags);
  var ptr = res.ptr;
  SAFE_HEAP_STORE(((allocated) >> 2) * 4, res.allocated, 4);
  SAFE_HEAP_STORE(((addr) >> 2) * 4, ptr, 4);
  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_low, offset_high) {
 var offset = convertI32PairToI53Checked(offset_low, offset_high);
 try {
  if (isNaN(offset)) return 61;
  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;
 }
}

var runtimeKeepaliveCounter = 0;

var runtimeKeepalivePush = () => {
 runtimeKeepaliveCounter += 1;
};

var _emscripten_set_main_loop_timing = (mode, value) => {
 Browser.mainLoop.timingMode = mode;
 Browser.mainLoop.timingValue = value;
 if (!Browser.mainLoop.func) {
  return 1;
 }
 if (!Browser.mainLoop.running) {
  runtimeKeepalivePush();
  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";
   /** @param {Event} event */ var Browser_setImmediate_messageHandler = event => {
    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
     event.stopPropagation();
     setImmediates.shift()();
    }
   };
   addEventListener("message", Browser_setImmediate_messageHandler, true);
   setImmediate = /** @type{function(function(): ?, ...?): number} */ (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();

var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;

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

/** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
 EXITSTATUS = status;
 if (!keepRuntimeAlive()) {
  exitRuntime();
 }
 _proc_exit(status);
};

var _exit = exitJS;

var 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 65536)");
  }
 }
 quit_(1, e);
};

var maybeExit = () => {
 if (runtimeExited) {
  return;
 }
 if (!keepRuntimeAlive()) {
  try {
   _exit(EXITSTATUS);
  } catch (e) {
   handleException(e);
  }
 }
};

var runtimeKeepalivePop = () => {
 runtimeKeepaliveCounter -= 1;
};

/**
     * @param {number=} arg
     * @param {boolean=} noSetTiming
     */ var 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;
 /** @type{number} */ var thisMainLoopId = (() => Browser.mainLoop.currentlyRunningMainloop)();
 function checkIsRunning() {
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
   runtimeKeepalivePop();
   maybeExit();
   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;
    }
   }
   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();
  }
  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";
 }
};

var callUserCallback = func => {
 if (runtimeExited || ABORT) {
  return;
 }
 try {
  func();
  maybeExit();
 } catch (e) {
  handleException(e);
 }
};

/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => {
 runtimeKeepalivePush();
 return setTimeout(() => {
  runtimeKeepalivePop();
  callUserCallback(func);
 }, timeout);
};

var warnOnce = text => {
 if (!warnOnce.shown) warnOnce.shown = {};
 if (!warnOnce.shown[text]) {
  warnOnce.shown[text] = 1;
  if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
  err(text);
 }
};

var Browser = {
 mainLoop: {
  running: false,
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  pause() {
   Browser.mainLoop.scheduler = null;
   Browser.mainLoop.currentlyRunningMainloop++;
  },
  resume() {
   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() {
   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(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() {
  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);
   var img = new Image;
   img.onload = () => {
    assert(img.complete, `Image ${name} could not be decoded`);
    var canvas = /** @type {!HTMLCanvasElement} */ (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 => {
    err(`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);
   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(/** @type {HTMLCanvasElement} */ 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: 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(canvas, useWebGL, setInModule) {},
 fullscreenHandlersInstalled: false,
 lockPointer: undefined,
 resizeCanvas: undefined,
 requestFullscreen(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();
 },
 exitFullscreen() {
  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(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(func) {
  if (typeof requestAnimationFrame == "function") {
   requestAnimationFrame(func);
   return;
  }
  var RAF = Browser.fakeRequestAnimationFrame;
  RAF(func);
 },
 safeSetTimeout(func, timeout) {
  return safeSetTimeout(func, timeout);
 },
 safeRequestAnimationFrame(func) {
  runtimeKeepalivePush();
  return Browser.requestAnimationFrame(() => {
   runtimeKeepalivePop();
   callUserCallback(func);
  });
 },
 getMimetype(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(func) {
  if (!window.getUserMedia) {
   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
  }
  window.getUserMedia(func);
 },
 getMovementX(event) {
  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
 },
 getMovementY(event) {
  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
 },
 getMouseWheelDelta(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(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);
   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() {
  var canvas = Module["canvas"];
  Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
 },
 setCanvasSize(width, height, noUpdates) {
  var canvas = Module["canvas"];
  Browser.updateCanvasDimensions(canvas, width, height);
  if (!noUpdates) Browser.updateResizeListeners();
 },
 windowedWidth: 0,
 windowedHeight: 0,
 setFullscreenCanvasSize() {
  if (typeof SDL != "undefined") {
   var flags = SAFE_HEAP_LOAD(((SDL.screen) >> 2) * 4, 4, 1);
   flags = flags | 8388608;
   SAFE_HEAP_STORE(((SDL.screen) >> 2) * 4, flags, 4);
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 setWindowedCanvasSize() {
  if (typeof SDL != "undefined") {
   var flags = SAFE_HEAP_LOAD(((SDL.screen) >> 2) * 4, 4, 1);
   flags = flags & ~8388608;
   SAFE_HEAP_STORE(((SDL.screen) >> 2) * 4, flags, 4);
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 updateCanvasDimensions(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");
    }
   }
  }
 }
};

var EGL = {
 errorCode: 12288,
 defaultDisplayInitialized: false,
 currentContext: 0,
 currentReadSurface: 0,
 currentDrawSurface: 0,
 contextAttributes: {
  alpha: false,
  depth: false,
  stencil: false,
  antialias: false
 },
 stringCache: {},
 setErrorCode(code) {
  EGL.errorCode = code;
 },
 chooseConfig(display, attribList, config, config_size, numConfigs) {
  if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
   EGL.setErrorCode(12296);
   /* EGL_BAD_DISPLAY */ return 0;
  }
  if (attribList) {
   for (;;) {
    var param = SAFE_HEAP_LOAD(((attribList) >> 2) * 4, 4, 0);
    if (param == 12321) /*EGL_ALPHA_SIZE*/ {
     var alphaSize = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.alpha = (alphaSize > 0);
    } else if (param == 12325) /*EGL_DEPTH_SIZE*/ {
     var depthSize = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.depth = (depthSize > 0);
    } else if (param == 12326) /*EGL_STENCIL_SIZE*/ {
     var stencilSize = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.stencil = (stencilSize > 0);
    } else if (param == 12337) /*EGL_SAMPLES*/ {
     var samples = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.antialias = (samples > 0);
    } else if (param == 12338) /*EGL_SAMPLE_BUFFERS*/ {
     var samples = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.antialias = (samples == 1);
    } else if (param == 12544) /*EGL_CONTEXT_PRIORITY_LEVEL_IMG*/ {
     var requestedPriority = SAFE_HEAP_LOAD((((attribList) + (4)) >> 2) * 4, 4, 0);
     EGL.contextAttributes.lowLatency = (requestedPriority != 12547);
    } else if (param == 12344) /*EGL_NONE*/ {
     break;
    }
    attribList += 8;
   }
  }
  if ((!config || !config_size) && !numConfigs) {
   EGL.setErrorCode(12300);
   /* EGL_BAD_PARAMETER */ return 0;
  }
  if (numConfigs) {
   SAFE_HEAP_STORE(((numConfigs) >> 2) * 4, 1, 4);
  }
  if (config && config_size > 0) {
   SAFE_HEAP_STORE(((config) >> 2) * 4, 62002, 4);
  }
  EGL.setErrorCode(12288);
  /* EGL_SUCCESS */ return 1;
 }
};

var _eglBindAPI = api => {
 if (api == 12448) /* EGL_OPENGL_ES_API */ {
  EGL.setErrorCode(12288);
  /* EGL_SUCCESS */ return 1;
 }
 EGL.setErrorCode(12300);
 /* EGL_BAD_PARAMETER */ return 0;
};

var _eglChooseConfig = (display, attrib_list, configs, config_size, numConfigs) => EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);

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

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

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

var webgl_enable_WEBGL_multi_draw = ctx => !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));

var GL = {
 counter: 1,
 buffers: [],
 programs: [],
 framebuffers: [],
 renderbuffers: [],
 textures: [],
 shaders: [],
 vaos: [],
 contexts: [],
 offscreenCanvases: {},
 queries: [],
 stringCache: {},
 unpackAlignment: 4,
 recordError: function recordError(errorCode) {
  if (!GL.lastError) {
   GL.lastError = errorCode;
  }
 },
 getNewId: table => {
  var ret = GL.counter++;
  for (var i = table.length; i < ret; i++) {
   table[i] = null;
  }
  return ret;
 },
 getSource: (shader, count, string, length) => {
  var source = "";
  for (var i = 0; i < count; ++i) {
   var len = length ? SAFE_HEAP_LOAD((((length) + (i * 4)) >> 2) * 4, 4, 0) : -1;
   source += UTF8ToString(SAFE_HEAP_LOAD((((string) + (i * 4)) >> 2) * 4, 4, 0), len < 0 ? undefined : len);
  }
  return source;
 },
 createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
  if (!canvas.getContextSafariWebGL2Fixed) {
   canvas.getContextSafariWebGL2Fixed = canvas.getContext;
   /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) {
    var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
    return ((ver == "webgl") == (gl instanceof WebGLRenderingContext)) ? gl : null;
   }
   canvas.getContext = fixedGetContext;
  }
  var ctx = (canvas.getContext("webgl", webGLContextAttributes));
  if (!ctx) return 0;
  var handle = GL.registerContext(ctx, webGLContextAttributes);
  return handle;
 },
 registerContext: (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);
  }
  return handle;
 },
 makeContextCurrent: contextHandle => {
  GL.currentContext = GL.contexts[contextHandle];
  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
  return !(contextHandle && !GLctx);
 },
 getContext: contextHandle => GL.contexts[contextHandle],
 deleteContext: 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: 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);
  {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
  }
  webgl_enable_WEBGL_multi_draw(GLctx);
  var exts = GLctx.getSupportedExtensions() || [];
  exts.forEach(ext => {
   if (!ext.includes("lose_context") && !ext.includes("debug")) {
    GLctx.getExtension(ext);
   }
  });
 }
};

var _eglCreateContext = (display, config, hmm, contextAttribs) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 var glesContextVersion = 1;
 for (;;) {
  var param = SAFE_HEAP_LOAD(((contextAttribs) >> 2) * 4, 4, 0);
  if (param == 12440) /*EGL_CONTEXT_CLIENT_VERSION*/ {
   glesContextVersion = SAFE_HEAP_LOAD((((contextAttribs) + (4)) >> 2) * 4, 4, 0);
  } else if (param == 12344) /*EGL_NONE*/ {
   break;
  } else {
   /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */ EGL.setErrorCode(12292);
   /*EGL_BAD_ATTRIBUTE*/ return 0;
  }
  contextAttribs += 8;
 }
 if (glesContextVersion != 2) {
  EGL.setErrorCode(12293);
  /* EGL_BAD_CONFIG */ return 0;
 }
 /* EGL_NO_CONTEXT */ EGL.contextAttributes.majorVersion = glesContextVersion - 1;
 EGL.contextAttributes.minorVersion = 0;
 EGL.context = GL.createContext(Module["canvas"], EGL.contextAttributes);
 if (EGL.context != 0) {
  EGL.setErrorCode(12288);
  GL.makeContextCurrent(EGL.context);
  Module.useWebGL = true;
  Browser.moduleContextCreatedCallbacks.forEach(function(callback) {
   callback();
  });
  GL.makeContextCurrent(null);
  return 62004;
 } else  {
  EGL.setErrorCode(12297);
  return 0;
 }
};

/* EGL_NO_CONTEXT */ var _eglCreateWindowSurface = (display, config, win, attrib_list) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (config != 62002) /* Magic ID for the only EGLConfig supported by Emscripten */ {
  EGL.setErrorCode(12293);
  /* EGL_BAD_CONFIG */ return 0;
 }
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 62006;
};

/* Magic ID for Emscripten 'default surface' */ var _eglDestroyContext = (display, context) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (context != 62004) /* Magic ID for Emscripten EGLContext */ {
  EGL.setErrorCode(12294);
  /* EGL_BAD_CONTEXT */ return 0;
 }
 GL.deleteContext(EGL.context);
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ if (EGL.currentContext == context) {
  EGL.currentContext = 0;
 }
 return 1;
};

/* EGL_TRUE */ var _eglDestroySurface = (display, surface) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (surface != 62006) /* Magic ID for the only EGLSurface supported by Emscripten */ {
  EGL.setErrorCode(12301);
  /* EGL_BAD_SURFACE */ return 1;
 }
 if (EGL.currentReadSurface == surface) {
  EGL.currentReadSurface = 0;
 }
 if (EGL.currentDrawSurface == surface) {
  EGL.currentDrawSurface = 0;
 }
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

/* Magic ID for Emscripten 'default surface' */ var _eglGetConfigAttrib = (display, config, attribute, value) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (config != 62002) /* Magic ID for the only EGLConfig supported by Emscripten */ {
  EGL.setErrorCode(12293);
  /* EGL_BAD_CONFIG */ return 0;
 }
 if (!value) {
  EGL.setErrorCode(12300);
  /* EGL_BAD_PARAMETER */ return 0;
 }
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ switch (attribute) {
 case 12320:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.alpha ? 32 : 24, 4);
  return 1;

 case 12321:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.alpha ? 8 : 0, 4);
  return 1;

 case 12322:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 8, 4);
  return 1;

 case 12323:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 8, 4);
  return 1;

 case 12324:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 8, 4);
  return 1;

 case 12325:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.depth ? 24 : 0, 4);
  return 1;

 case 12326:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.stencil ? 8 : 0, 4);
  return 1;

 case 12327:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 12344, 4);
  return 1;

 case 12328:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 62002, 4);
  return 1;

 case 12329:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12330:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 4096, 4);
  return 1;

 case 12331:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 16777216, 4);
  return 1;

 case 12332:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 4096, 4);
  return 1;

 case 12333:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12334:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12335:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 12344, 4);
  return 1;

 case 12337:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.antialias ? 4 : 0, 4);
  return 1;

 case 12338:
  SAFE_HEAP_STORE(((value) >> 2) * 4, EGL.contextAttributes.antialias ? 1 : 0, 4);
  return 1;

 case 12339:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 4, 4);
  return 1;

 case 12340:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 12344, 4);
  return 1;

 case 12341:
 case 12342:
 case 12343:
  SAFE_HEAP_STORE(((value) >> 2) * 4, -1, 4);
  return 1;

 case 12345:
 case 12346:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12347:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12348:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 1, 4);
  return 1;

 case 12349:
 case 12350:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 case 12351:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 12430, 4);
  return 1;

 case 12352:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 4, 4);
  return 1;

 case 12354:
  SAFE_HEAP_STORE(((value) >> 2) * 4, 0, 4);
  return 1;

 default:
  EGL.setErrorCode(12292);
  /* EGL_BAD_ATTRIBUTE */ return 0;
 }
};

var _eglGetDisplay = nativeDisplayType => {
 EGL.setErrorCode(12288);
 return 62e3;
};

var _eglGetError = () => EGL.errorCode;

var _eglInitialize = (display, majorVersion, minorVersion) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (majorVersion) {
  SAFE_HEAP_STORE(((majorVersion) >> 2) * 4, 1, 4);
 }
 if (minorVersion) {
  SAFE_HEAP_STORE(((minorVersion) >> 2) * 4, 4, 4);
 }
 EGL.defaultDisplayInitialized = true;
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

var _eglMakeCurrent = (display, draw, read, context) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (context != 0 && context != 62004) /* Magic ID for Emscripten EGLContext */ {
  EGL.setErrorCode(12294);
  /* EGL_BAD_CONTEXT */ return 0;
 }
 if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006)) /* Magic ID for Emscripten 'default surface' */ {
  EGL.setErrorCode(12301);
  /* EGL_BAD_SURFACE */ return 0;
 }
 GL.makeContextCurrent(context ? EGL.context : null);
 EGL.currentContext = context;
 EGL.currentDrawSurface = draw;
 EGL.currentReadSurface = read;
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

/* EGL_TRUE */ var stringToNewUTF8 = str => {
 var size = lengthBytesUTF8(str) + 1;
 var ret = _malloc(size);
 if (ret) stringToUTF8(str, ret, size);
 return ret;
};

var _eglQueryString = (display, name) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ if (EGL.stringCache[name]) return EGL.stringCache[name];
 var ret;
 switch (name) {
 case 12371:
  /* EGL_VENDOR */ ret = stringToNewUTF8("Emscripten");
  break;

 case 12372:
  /* EGL_VERSION */ ret = stringToNewUTF8("1.4 Emscripten EGL");
  break;

 case 12373:
  /* EGL_EXTENSIONS */ ret = stringToNewUTF8("");
  break;

 case 12429:
  /* EGL_CLIENT_APIS */ ret = stringToNewUTF8("OpenGL_ES");
  break;

 default:
  EGL.setErrorCode(12300);
  /* EGL_BAD_PARAMETER */ return 0;
 }
 EGL.stringCache[name] = ret;
 return ret;
};

var _eglSwapBuffers = (dpy, surface) => {
 if (!EGL.defaultDisplayInitialized) {
  EGL.setErrorCode(12289);
 } else /* EGL_NOT_INITIALIZED */ if (!Module.ctx) {
  EGL.setErrorCode(12290);
 } else /* EGL_BAD_ACCESS */ if (Module.ctx.isContextLost()) {
  EGL.setErrorCode(12302);
 } else /* EGL_CONTEXT_LOST */ {
  EGL.setErrorCode(12288);
  /* EGL_SUCCESS */ return 1;
 }
 /* EGL_TRUE */ return 0;
};

/* EGL_FALSE */ var _eglSwapInterval = (display, interval) => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 if (interval == 0) _emscripten_set_main_loop_timing(0, 0); else _emscripten_set_main_loop_timing(1, interval);
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

var _eglTerminate = display => {
 if (display != 62e3) /* Magic ID for Emscripten 'default display' */ {
  EGL.setErrorCode(12296);
  /* EGL_BAD_DISPLAY */ return 0;
 }
 EGL.currentContext = 0;
 EGL.currentReadSurface = 0;
 EGL.currentDrawSurface = 0;
 EGL.defaultDisplayInitialized = false;
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

/** @suppress {duplicate } */ var _eglWaitClient = () => {
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

var _eglWaitGL = _eglWaitClient;

var _eglWaitNative = nativeEngineId => {
 EGL.setErrorCode(12288);
 /* EGL_SUCCESS */ return 1;
};

var readEmAsmArgsArray = [];

var readEmAsmArgs = (sigPtr, buf) => {
 readEmAsmArgsArray.length = 0;
 var ch;
 while (ch = SAFE_HEAP_LOAD(sigPtr++, 1, 1)) {
  var wide = (ch != 105);
  wide &= (ch != 112);
  buf += wide && (buf % 8) ? 4 : 0;
  readEmAsmArgsArray.push( ch == 112 ? SAFE_HEAP_LOAD(((buf) >> 2) * 4, 4, 1) : ch == 105 ? SAFE_HEAP_LOAD(((buf) >> 2) * 4, 4, 0) : SAFE_HEAP_LOAD_D(((buf) >> 3) * 8, 8, 0));
  buf += wide ? 8 : 4;
 }
 return readEmAsmArgsArray;
};

var runEmAsmFunction = (code, sigPtr, argbuf) => {
 var args = readEmAsmArgs(sigPtr, argbuf);
 return ASM_CONSTS[code].apply(null, args);
};

var _emscripten_asm_const_int = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);

var runMainThreadEmAsm = (code, sigPtr, argbuf, sync) => {
 var args = readEmAsmArgs(sigPtr, argbuf);
 return ASM_CONSTS[code].apply(null, args);
};

var _emscripten_asm_const_int_sync_on_main_thread = (code, sigPtr, argbuf) => runMainThreadEmAsm(code, sigPtr, argbuf, 1);

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

var _emscripten_date_now = () => Date.now();

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

var JSEvents = {
 inEventHandler: 0,
 removeAllEventListeners() {
  for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
   JSEvents._removeHandler(i);
  }
  JSEvents.eventHandlers = [];
  JSEvents.deferredCalls = [];
 },
 registerRemoveEventListeners() {
  if (!JSEvents.removeEventListenersRegistered) {
   __ATEXIT__.push(JSEvents.removeAllEventListeners);
   JSEvents.removeEventListenersRegistered = true;
  }
 },
 deferredCalls: [],
 deferCall(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((x, y) => x.precedence < y.precedence);
 },
 removeDeferredCalls(targetFunction) {
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
    JSEvents.deferredCalls.splice(i, 1);
    --i;
   }
  }
 },
 canPerformEventHandlerRequests() {
  if (navigator.userActivation) {
   return navigator.userActivation.isActive;
  }
  return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
 },
 runDeferredCalls() {
  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: (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(i) {
  var h = JSEvents.eventHandlers[i];
  h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
  JSEvents.eventHandlers.splice(i, 1);
 },
 registerOrRemoveHandler(eventHandler) {
  if (!eventHandler.target) {
   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(target) {
  if (!target) return "";
  if (target == window) return "#window";
  if (target == screen) return "#screen";
  return (target && target.nodeName) ? target.nodeName : "";
 },
 fullscreenEnabled() {
  return document.fullscreenEnabled ||  document.webkitFullscreenEnabled;
 }
};

var currentFullscreenStrategy = {};

var maybeCStringToJsString = cString => cString > 2 ? UTF8ToString(cString) : cString;

var specialHTMLTargets = [ 0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0 ];

var findEventTarget = target => {
 target = maybeCStringToJsString(target);
 var domElement = specialHTMLTargets[target] || (typeof document != "undefined" ? document.querySelector(target) : undefined);
 return domElement;
};

var findCanvasEventTarget = target => findEventTarget(target);

var _emscripten_get_canvas_element_size = (target, width, height) => {
 var canvas = findCanvasEventTarget(target);
 if (!canvas) return -4;
 SAFE_HEAP_STORE(((width) >> 2) * 4, canvas.width, 4);
 SAFE_HEAP_STORE(((height) >> 2) * 4, canvas.height, 4);
};

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

var getCanvasElementSize = target => withStackSave(() => {
 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 = [ SAFE_HEAP_LOAD(((w) >> 2) * 4, 4, 0), SAFE_HEAP_LOAD(((h) >> 2) * 4, 4, 0) ];
 return size;
});

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

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

var 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) {
    ((a1, a2, a3) => dynCall_iiii.apply(null, [ currentFullscreenStrategy.canvasResizedCallback, a1, a2, a3 ]))(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
   }
  }
 }
 document.addEventListener("fullscreenchange", restoreOldStyle);
 document.addEventListener("webkitfullscreenchange", restoreOldStyle);
 return restoreOldStyle;
};

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

var getBoundingClientRect = e => specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {
 "left": 0,
 "top": 0
};

var 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;
};

var 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) {
  ((a1, a2, a3) => dynCall_iiii.apply(null, [ strategy.canvasResizedCallback, a1, a2, a3 ]))(37, 0, strategy.canvasResizedCallbackUserData);
 }
 return 0;
};

var _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;
};

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

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

var __emscripten_runtime_keepalive_clear = () => {
 noExitRuntime = false;
 runtimeKeepaliveCounter = 0;
};

var _emscripten_force_exit = status => {
 __emscripten_runtime_keepalive_clear();
 _exit(status);
};

var _emscripten_get_device_pixel_ratio = () => (typeof devicePixelRatio == "number" && devicePixelRatio) || 1;

var _emscripten_get_element_css_size = (target, width, height) => {
 target = findEventTarget(target);
 if (!target) return -4;
 var rect = getBoundingClientRect(target);
 SAFE_HEAP_STORE_D(((width) >> 3) * 8, rect.width, 8);
 SAFE_HEAP_STORE_D(((height) >> 3) * 8, rect.height, 8);
 return 0;
};

var fillFullscreenChangeEventData = eventStruct => {
 var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
 var isFullscreen = !!fullscreenElement;
 SAFE_HEAP_STORE(((eventStruct) >> 2) * 4, isFullscreen, 4);
 SAFE_HEAP_STORE((((eventStruct) + (4)) >> 2) * 4, JSEvents.fullscreenEnabled(), 4);
 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);
 SAFE_HEAP_STORE((((eventStruct) + (264)) >> 2) * 4, reportedElement ? reportedElement.clientWidth : 0, 4);
 SAFE_HEAP_STORE((((eventStruct) + (268)) >> 2) * 4, reportedElement ? reportedElement.clientHeight : 0, 4);
 SAFE_HEAP_STORE((((eventStruct) + (272)) >> 2) * 4, screen.width, 4);
 SAFE_HEAP_STORE((((eventStruct) + (276)) >> 2) * 4, screen.height, 4);
 if (isFullscreen) {
  JSEvents.previousFullscreenElement = fullscreenElement;
 }
};

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

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

var _emscripten_get_gamepad_status = (index, gamepadState) => {
 if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
 if (!JSEvents.lastGamepadState[index]) return -7;
 fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
 return 0;
};

var _emscripten_get_num_gamepads = () => JSEvents.lastGamepadState.length;

var _emscripten_get_screen_size = (width, height) => {
 SAFE_HEAP_STORE(((width) >> 2) * 4, screen.width, 4);
 SAFE_HEAP_STORE(((height) >> 2) * 4, screen.height, 4);
};

/** @suppress {duplicate } */ function _glActiveTexture(x0) {
 GLctx.activeTexture(x0);
}

var _emscripten_glActiveTexture = _glActiveTexture;

/** @suppress {duplicate } */ var _glAttachShader = (program, shader) => {
 GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
};

var _emscripten_glAttachShader = _glAttachShader;

/** @suppress {duplicate } */ var _glBeginQueryEXT = (target, id) => {
 GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.queries[id]);
};

var _emscripten_glBeginQueryEXT = _glBeginQueryEXT;

/** @suppress {duplicate } */ var _glBindAttribLocation = (program, index, name) => {
 GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
};

var _emscripten_glBindAttribLocation = _glBindAttribLocation;

/** @suppress {duplicate } */ var _glBindBuffer = (target, buffer) => {
 GLctx.bindBuffer(target, GL.buffers[buffer]);
};

var _emscripten_glBindBuffer = _glBindBuffer;

/** @suppress {duplicate } */ var _glBindFramebuffer = (target, framebuffer) => {
 GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
};

var _emscripten_glBindFramebuffer = _glBindFramebuffer;

/** @suppress {duplicate } */ var _glBindRenderbuffer = (target, renderbuffer) => {
 GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
};

var _emscripten_glBindRenderbuffer = _glBindRenderbuffer;

/** @suppress {duplicate } */ var _glBindTexture = (target, texture) => {
 GLctx.bindTexture(target, GL.textures[texture]);
};

var _emscripten_glBindTexture = _glBindTexture;

/** @suppress {duplicate } */ var _glBindVertexArray = vao => {
 GLctx.bindVertexArray(GL.vaos[vao]);
};

/** @suppress {duplicate } */ var _glBindVertexArrayOES = _glBindVertexArray;

var _emscripten_glBindVertexArrayOES = _glBindVertexArrayOES;

/** @suppress {duplicate } */ function _glBlendColor(x0, x1, x2, x3) {
 GLctx.blendColor(x0, x1, x2, x3);
}

var _emscripten_glBlendColor = _glBlendColor;

/** @suppress {duplicate } */ function _glBlendEquation(x0) {
 GLctx.blendEquation(x0);
}

var _emscripten_glBlendEquation = _glBlendEquation;

/** @suppress {duplicate } */ function _glBlendEquationSeparate(x0, x1) {
 GLctx.blendEquationSeparate(x0, x1);
}

var _emscripten_glBlendEquationSeparate = _glBlendEquationSeparate;

/** @suppress {duplicate } */ function _glBlendFunc(x0, x1) {
 GLctx.blendFunc(x0, x1);
}

var _emscripten_glBlendFunc = _glBlendFunc;

/** @suppress {duplicate } */ function _glBlendFuncSeparate(x0, x1, x2, x3) {
 GLctx.blendFuncSeparate(x0, x1, x2, x3);
}

var _emscripten_glBlendFuncSeparate = _glBlendFuncSeparate;

/** @suppress {duplicate } */ var _glBufferData = (target, size, data, usage) => {
 GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
};

var _emscripten_glBufferData = _glBufferData;

/** @suppress {duplicate } */ var _glBufferSubData = (target, offset, size, data) => {
 GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data + size));
};

var _emscripten_glBufferSubData = _glBufferSubData;

/** @suppress {duplicate } */ function _glCheckFramebufferStatus(x0) {
 return GLctx.checkFramebufferStatus(x0);
}

var _emscripten_glCheckFramebufferStatus = _glCheckFramebufferStatus;

/** @suppress {duplicate } */ function _glClear(x0) {
 GLctx.clear(x0);
}

var _emscripten_glClear = _glClear;

/** @suppress {duplicate } */ function _glClearColor(x0, x1, x2, x3) {
 GLctx.clearColor(x0, x1, x2, x3);
}

var _emscripten_glClearColor = _glClearColor;

/** @suppress {duplicate } */ function _glClearDepthf(x0) {
 GLctx.clearDepth(x0);
}

var _emscripten_glClearDepthf = _glClearDepthf;

/** @suppress {duplicate } */ function _glClearStencil(x0) {
 GLctx.clearStencil(x0);
}

var _emscripten_glClearStencil = _glClearStencil;

/** @suppress {duplicate } */ var _glColorMask = (red, green, blue, alpha) => {
 GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
};

var _emscripten_glColorMask = _glColorMask;

/** @suppress {duplicate } */ var _glCompileShader = shader => {
 GLctx.compileShader(GL.shaders[shader]);
};

var _emscripten_glCompileShader = _glCompileShader;

/** @suppress {duplicate } */ var _glCompressedTexImage2D = (target, level, internalFormat, width, height, border, imageSize, data) => {
 GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data), (data + imageSize)) : null);
};

var _emscripten_glCompressedTexImage2D = _glCompressedTexImage2D;

/** @suppress {duplicate } */ var _glCompressedTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, imageSize, data) => {
 GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data), (data + imageSize)) : null);
};

var _emscripten_glCompressedTexSubImage2D = _glCompressedTexSubImage2D;

/** @suppress {duplicate } */ function _glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx.copyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
}

var _emscripten_glCopyTexImage2D = _glCopyTexImage2D;

/** @suppress {duplicate } */ function _glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx.copyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
}

var _emscripten_glCopyTexSubImage2D = _glCopyTexSubImage2D;

/** @suppress {duplicate } */ var _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;
};

var _emscripten_glCreateProgram = _glCreateProgram;

/** @suppress {duplicate } */ var _glCreateShader = shaderType => {
 var id = GL.getNewId(GL.shaders);
 GL.shaders[id] = GLctx.createShader(shaderType);
 return id;
};

var _emscripten_glCreateShader = _glCreateShader;

/** @suppress {duplicate } */ function _glCullFace(x0) {
 GLctx.cullFace(x0);
}

var _emscripten_glCullFace = _glCullFace;

/** @suppress {duplicate } */ var _glDeleteBuffers = (n, buffers) => {
 for (var i = 0; i < n; i++) {
  var id = SAFE_HEAP_LOAD((((buffers) + (i * 4)) >> 2) * 4, 4, 0);
  var buffer = GL.buffers[id];
  if (!buffer) continue;
  GLctx.deleteBuffer(buffer);
  buffer.name = 0;
  GL.buffers[id] = null;
 }
};

var _emscripten_glDeleteBuffers = _glDeleteBuffers;

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

var _emscripten_glDeleteFramebuffers = _glDeleteFramebuffers;

/** @suppress {duplicate } */ var _glDeleteProgram = id => {
 if (!id) return;
 var program = GL.programs[id];
 if (!program) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 GLctx.deleteProgram(program);
 program.name = 0;
 GL.programs[id] = null;
};

var _emscripten_glDeleteProgram = _glDeleteProgram;

/** @suppress {duplicate } */ var _glDeleteQueriesEXT = (n, ids) => {
 for (var i = 0; i < n; i++) {
  var id = SAFE_HEAP_LOAD((((ids) + (i * 4)) >> 2) * 4, 4, 0);
  var query = GL.queries[id];
  if (!query) continue;
  GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
  GL.queries[id] = null;
 }
};

var _emscripten_glDeleteQueriesEXT = _glDeleteQueriesEXT;

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

var _emscripten_glDeleteRenderbuffers = _glDeleteRenderbuffers;

/** @suppress {duplicate } */ var _glDeleteShader = id => {
 if (!id) return;
 var shader = GL.shaders[id];
 if (!shader) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 GLctx.deleteShader(shader);
 GL.shaders[id] = null;
};

var _emscripten_glDeleteShader = _glDeleteShader;

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

var _emscripten_glDeleteTextures = _glDeleteTextures;

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

/** @suppress {duplicate } */ var _glDeleteVertexArraysOES = _glDeleteVertexArrays;

var _emscripten_glDeleteVertexArraysOES = _glDeleteVertexArraysOES;

/** @suppress {duplicate } */ function _glDepthFunc(x0) {
 GLctx.depthFunc(x0);
}

var _emscripten_glDepthFunc = _glDepthFunc;

/** @suppress {duplicate } */ var _glDepthMask = flag => {
 GLctx.depthMask(!!flag);
};

var _emscripten_glDepthMask = _glDepthMask;

/** @suppress {duplicate } */ function _glDepthRangef(x0, x1) {
 GLctx.depthRange(x0, x1);
}

var _emscripten_glDepthRangef = _glDepthRangef;

/** @suppress {duplicate } */ var _glDetachShader = (program, shader) => {
 GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
};

var _emscripten_glDetachShader = _glDetachShader;

/** @suppress {duplicate } */ function _glDisable(x0) {
 GLctx.disable(x0);
}

var _emscripten_glDisable = _glDisable;

/** @suppress {duplicate } */ var _glDisableVertexAttribArray = index => {
 GLctx.disableVertexAttribArray(index);
};

var _emscripten_glDisableVertexAttribArray = _glDisableVertexAttribArray;

/** @suppress {duplicate } */ var _glDrawArrays = (mode, first, count) => {
 GLctx.drawArrays(mode, first, count);
};

var _emscripten_glDrawArrays = _glDrawArrays;

/** @suppress {duplicate } */ var _glDrawArraysInstanced = (mode, first, count, primcount) => {
 GLctx.drawArraysInstanced(mode, first, count, primcount);
};

/** @suppress {duplicate } */ var _glDrawArraysInstancedANGLE = _glDrawArraysInstanced;

var _emscripten_glDrawArraysInstancedANGLE = _glDrawArraysInstancedANGLE;

var tempFixedLengthArray = [];

/** @suppress {duplicate } */ var _glDrawBuffers = (n, bufs) => {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = SAFE_HEAP_LOAD((((bufs) + (i * 4)) >> 2) * 4, 4, 0);
 }
 GLctx.drawBuffers(bufArray);
};

/** @suppress {duplicate } */ var _glDrawBuffersWEBGL = _glDrawBuffers;

var _emscripten_glDrawBuffersWEBGL = _glDrawBuffersWEBGL;

/** @suppress {duplicate } */ var _glDrawElements = (mode, count, type, indices) => {
 GLctx.drawElements(mode, count, type, indices);
};

var _emscripten_glDrawElements = _glDrawElements;

/** @suppress {duplicate } */ var _glDrawElementsInstanced = (mode, count, type, indices, primcount) => {
 GLctx.drawElementsInstanced(mode, count, type, indices, primcount);
};

/** @suppress {duplicate } */ var _glDrawElementsInstancedANGLE = _glDrawElementsInstanced;

var _emscripten_glDrawElementsInstancedANGLE = _glDrawElementsInstancedANGLE;

/** @suppress {duplicate } */ function _glEnable(x0) {
 GLctx.enable(x0);
}

var _emscripten_glEnable = _glEnable;

/** @suppress {duplicate } */ var _glEnableVertexAttribArray = index => {
 GLctx.enableVertexAttribArray(index);
};

var _emscripten_glEnableVertexAttribArray = _glEnableVertexAttribArray;

/** @suppress {duplicate } */ var _glEndQueryEXT = target => {
 GLctx.disjointTimerQueryExt["endQueryEXT"](target);
};

var _emscripten_glEndQueryEXT = _glEndQueryEXT;

/** @suppress {duplicate } */ function _glFinish() {
 GLctx.finish();
}

var _emscripten_glFinish = _glFinish;

/** @suppress {duplicate } */ function _glFlush() {
 GLctx.flush();
}

var _emscripten_glFlush = _glFlush;

/** @suppress {duplicate } */ var _glFramebufferRenderbuffer = (target, attachment, renderbuffertarget, renderbuffer) => {
 GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
};

var _emscripten_glFramebufferRenderbuffer = _glFramebufferRenderbuffer;

/** @suppress {duplicate } */ var _glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
 GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
};

var _emscripten_glFramebufferTexture2D = _glFramebufferTexture2D;

/** @suppress {duplicate } */ function _glFrontFace(x0) {
 GLctx.frontFace(x0);
}

var _emscripten_glFrontFace = _glFrontFace;

var __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);
  }
  SAFE_HEAP_STORE((((buffers) + (i * 4)) >> 2) * 4, id, 4);
 }
};

/** @suppress {duplicate } */ var _glGenBuffers = (n, buffers) => {
 __glGenObject(n, buffers, "createBuffer", GL.buffers);
};

var _emscripten_glGenBuffers = _glGenBuffers;

/** @suppress {duplicate } */ var _glGenFramebuffers = (n, ids) => {
 __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
};

var _emscripten_glGenFramebuffers = _glGenFramebuffers;

/** @suppress {duplicate } */ var _glGenQueriesEXT = (n, ids) => {
 for (var i = 0; i < n; i++) {
  var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
  if (!query) {
   GL.recordError(1282);
   /* GL_INVALID_OPERATION */ while (i < n) SAFE_HEAP_STORE((((ids) + (i++ * 4)) >> 2) * 4, 0, 4);
   return;
  }
  var id = GL.getNewId(GL.queries);
  query.name = id;
  GL.queries[id] = query;
  SAFE_HEAP_STORE((((ids) + (i * 4)) >> 2) * 4, id, 4);
 }
};

var _emscripten_glGenQueriesEXT = _glGenQueriesEXT;

/** @suppress {duplicate } */ var _glGenRenderbuffers = (n, renderbuffers) => {
 __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
};

var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;

/** @suppress {duplicate } */ var _glGenTextures = (n, textures) => {
 __glGenObject(n, textures, "createTexture", GL.textures);
};

var _emscripten_glGenTextures = _glGenTextures;

/** @suppress {duplicate } */ function _glGenVertexArrays(n, arrays) {
 __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}

/** @suppress {duplicate } */ var _glGenVertexArraysOES = _glGenVertexArrays;

var _emscripten_glGenVertexArraysOES = _glGenVertexArraysOES;

/** @suppress {duplicate } */ function _glGenerateMipmap(x0) {
 GLctx.generateMipmap(x0);
}

var _emscripten_glGenerateMipmap = _glGenerateMipmap;

var __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) SAFE_HEAP_STORE(((length) >> 2) * 4, numBytesWrittenExclNull, 4);
  if (size) SAFE_HEAP_STORE(((size) >> 2) * 4, info.size, 4);
  if (type) SAFE_HEAP_STORE(((type) >> 2) * 4, info.type, 4);
 }
};

/** @suppress {duplicate } */ var _glGetActiveAttrib = (program, index, bufSize, length, size, type, name) => {
 __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
};

var _emscripten_glGetActiveAttrib = _glGetActiveAttrib;

/** @suppress {duplicate } */ var _glGetActiveUniform = (program, index, bufSize, length, size, type, name) => {
 __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
};

var _emscripten_glGetActiveUniform = _glGetActiveUniform;

/** @suppress {duplicate } */ var _glGetAttachedShaders = (program, maxCount, count, shaders) => {
 var result = GLctx.getAttachedShaders(GL.programs[program]);
 var len = result.length;
 if (len > maxCount) {
  len = maxCount;
 }
 SAFE_HEAP_STORE(((count) >> 2) * 4, len, 4);
 for (var i = 0; i < len; ++i) {
  var id = GL.shaders.indexOf(result[i]);
  SAFE_HEAP_STORE((((shaders) + (i * 4)) >> 2) * 4, id, 4);
 }
};

var _emscripten_glGetAttachedShaders = _glGetAttachedShaders;

/** @suppress {duplicate } */ var _glGetAttribLocation = (program, name) => GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));

var _emscripten_glGetAttribLocation = _glGetAttribLocation;

var writeI53ToI64 = (ptr, num) => {
 SAFE_HEAP_STORE(((ptr) >> 2) * 4, num, 4);
 var lower = SAFE_HEAP_LOAD(((ptr) >> 2) * 4, 4, 1);
 SAFE_HEAP_STORE((((ptr) + (4)) >> 2) * 4, (num - lower) / 4294967296, 4);
};

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

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

 case 36345:
  ret = 0;
  break;

 case 34466:
  var formats = GLctx.getParameter(34467);
  /*GL_COMPRESSED_TEXTURE_FORMATS*/ ret = formats ? formats.length : 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 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:
      SAFE_HEAP_STORE((((p) + (i * 4)) >> 2) * 4, result[i], 4);
      break;

     case 2:
      SAFE_HEAP_STORE_D((((p) + (i * 4)) >> 2) * 4, result[i], 4);
      break;

     case 4:
      SAFE_HEAP_STORE((((p) + (i)) >> 0), result[i] ? 1 : 0, 1);
      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:
  SAFE_HEAP_STORE(((p) >> 2) * 4, ret, 4);
  break;

 case 2:
  SAFE_HEAP_STORE_D(((p) >> 2) * 4, ret, 4);
  break;

 case 4:
  SAFE_HEAP_STORE(((p) >> 0), ret ? 1 : 0, 1);
  break;
 }
};

/** @suppress {duplicate } */ var _glGetBooleanv = (name_, p) => {
 emscriptenWebGLGet(name_, p, 4);
};

var _emscripten_glGetBooleanv = _glGetBooleanv;

/** @suppress {duplicate } */ var _glGetBufferParameteriv = (target, value, data) => {
 if (!data) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE(((data) >> 2) * 4, GLctx.getBufferParameter(target, value), 4);
};

var _emscripten_glGetBufferParameteriv = _glGetBufferParameteriv;

/** @suppress {duplicate } */ var _glGetError = () => {
 var error = GLctx.getError() || GL.lastError;
 GL.lastError = 0;
 /*GL_NO_ERROR*/ return error;
};

var _emscripten_glGetError = _glGetError;

/** @suppress {duplicate } */ var _glGetFloatv = (name_, p) => {
 emscriptenWebGLGet(name_, p, 2);
};

var _emscripten_glGetFloatv = _glGetFloatv;

/** @suppress {duplicate } */ var _glGetFramebufferAttachmentParameteriv = (target, attachment, pname, params) => {
 var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
 if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
  result = result.name | 0;
 }
 SAFE_HEAP_STORE(((params) >> 2) * 4, result, 4);
};

var _emscripten_glGetFramebufferAttachmentParameteriv = _glGetFramebufferAttachmentParameteriv;

/** @suppress {duplicate } */ var _glGetIntegerv = (name_, p) => {
 emscriptenWebGLGet(name_, p, 0);
};

var _emscripten_glGetIntegerv = _glGetIntegerv;

/** @suppress {duplicate } */ var _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) SAFE_HEAP_STORE(((length) >> 2) * 4, numBytesWrittenExclNull, 4);
};

var _emscripten_glGetProgramInfoLog = _glGetProgramInfoLog;

/** @suppress {duplicate } */ var _glGetProgramiv = (program, pname, p) => {
 if (!p) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 if (program >= GL.counter) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 program = GL.programs[program];
 if (pname == 35716) {
  var log = GLctx.getProgramInfoLog(program);
  if (log === null) log = "(unknown error)";
  SAFE_HEAP_STORE(((p) >> 2) * 4, log.length + 1, 4);
 } else if (pname == 35719) /* GL_ACTIVE_UNIFORM_MAX_LENGTH */ {
  if (!program.maxUniformLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); /*GL_ACTIVE_UNIFORMS*/ ++i) {
    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
   }
  }
  SAFE_HEAP_STORE(((p) >> 2) * 4, program.maxUniformLength, 4);
 } else if (pname == 35722) /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */ {
  if (!program.maxAttributeLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); /*GL_ACTIVE_ATTRIBUTES*/ ++i) {
    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
   }
  }
  SAFE_HEAP_STORE(((p) >> 2) * 4, program.maxAttributeLength, 4);
 } else if (pname == 35381) /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */ {
  if (!program.maxUniformBlockNameLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); /*GL_ACTIVE_UNIFORM_BLOCKS*/ ++i) {
    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
   }
  }
  SAFE_HEAP_STORE(((p) >> 2) * 4, program.maxUniformBlockNameLength, 4);
 } else {
  SAFE_HEAP_STORE(((p) >> 2) * 4, GLctx.getProgramParameter(program, pname), 4);
 }
};

var _emscripten_glGetProgramiv = _glGetProgramiv;

/** @suppress {duplicate } */ var _glGetQueryObjecti64vEXT = (id, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 var query = GL.queries[id];
 var param;
 {
  param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 }
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 writeI53ToI64(params, ret);
};

var _emscripten_glGetQueryObjecti64vEXT = _glGetQueryObjecti64vEXT;

/** @suppress {duplicate } */ var _glGetQueryObjectivEXT = (id, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 var query = GL.queries[id];
 var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 SAFE_HEAP_STORE(((params) >> 2) * 4, ret, 4);
};

var _emscripten_glGetQueryObjectivEXT = _glGetQueryObjectivEXT;

/** @suppress {duplicate } */ var _glGetQueryObjectui64vEXT = _glGetQueryObjecti64vEXT;

var _emscripten_glGetQueryObjectui64vEXT = _glGetQueryObjectui64vEXT;

/** @suppress {duplicate } */ var _glGetQueryObjectuivEXT = _glGetQueryObjectivEXT;

var _emscripten_glGetQueryObjectuivEXT = _glGetQueryObjectuivEXT;

/** @suppress {duplicate } */ var _glGetQueryivEXT = (target, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE(((params) >> 2) * 4, GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname), 4);
};

var _emscripten_glGetQueryivEXT = _glGetQueryivEXT;

/** @suppress {duplicate } */ var _glGetRenderbufferParameteriv = (target, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE(((params) >> 2) * 4, GLctx.getRenderbufferParameter(target, pname), 4);
};

var _emscripten_glGetRenderbufferParameteriv = _glGetRenderbufferParameteriv;

/** @suppress {duplicate } */ var _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) SAFE_HEAP_STORE(((length) >> 2) * 4, numBytesWrittenExclNull, 4);
};

var _emscripten_glGetShaderInfoLog = _glGetShaderInfoLog;

/** @suppress {duplicate } */ var _glGetShaderPrecisionFormat = (shaderType, precisionType, range, precision) => {
 var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
 SAFE_HEAP_STORE(((range) >> 2) * 4, result.rangeMin, 4);
 SAFE_HEAP_STORE((((range) + (4)) >> 2) * 4, result.rangeMax, 4);
 SAFE_HEAP_STORE(((precision) >> 2) * 4, result.precision, 4);
};

var _emscripten_glGetShaderPrecisionFormat = _glGetShaderPrecisionFormat;

/** @suppress {duplicate } */ var _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) SAFE_HEAP_STORE(((length) >> 2) * 4, numBytesWrittenExclNull, 4);
};

var _emscripten_glGetShaderSource = _glGetShaderSource;

/** @suppress {duplicate } */ var _glGetShaderiv = (shader, pname, p) => {
 if (!p) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 if (pname == 35716) {
  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
  if (log === null) log = "(unknown error)";
  var logLength = log ? log.length + 1 : 0;
  SAFE_HEAP_STORE(((p) >> 2) * 4, logLength, 4);
 } else if (pname == 35720) {
  var source = GLctx.getShaderSource(GL.shaders[shader]);
  var sourceLength = source ? source.length + 1 : 0;
  SAFE_HEAP_STORE(((p) >> 2) * 4, sourceLength, 4);
 } else {
  SAFE_HEAP_STORE(((p) >> 2) * 4, GLctx.getShaderParameter(GL.shaders[shader], pname), 4);
 }
};

var _emscripten_glGetShaderiv = _glGetShaderiv;

/** @suppress {duplicate } */ var _glGetString = name_ => {
 var ret = GL.stringCache[name_];
 if (!ret) {
  switch (name_) {
  case 7939:
   /* GL_EXTENSIONS */ var exts = GLctx.getSupportedExtensions() || [];
   exts = exts.concat(exts.map(e => "GL_" + e));
   ret = stringToNewUTF8(exts.join(" "));
   break;

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

  case 7938:
   /* GL_VERSION */ var glVersion = GLctx.getParameter(7938);
   {
    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
   }
   ret = stringToNewUTF8(glVersion);
   break;

  case 35724:
   /* GL_SHADING_LANGUAGE_VERSION */ 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;
};

var _emscripten_glGetString = _glGetString;

/** @suppress {duplicate } */ var _glGetTexParameterfv = (target, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE_D(((params) >> 2) * 4, GLctx.getTexParameter(target, pname), 4);
};

var _emscripten_glGetTexParameterfv = _glGetTexParameterfv;

/** @suppress {duplicate } */ var _glGetTexParameteriv = (target, pname, params) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE(((params) >> 2) * 4, GLctx.getTexParameter(target, pname), 4);
};

var _emscripten_glGetTexParameteriv = _glGetTexParameteriv;

/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);

/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");

var 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); /*GL_ACTIVE_UNIFORMS*/ ++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 = program.uniformIdCounter;
   program.uniformIdCounter += sz;
   uniformSizeAndIdsByName[arrayName] = [ sz, id ];
   for (j = 0; j < sz; ++j) {
    uniformLocsById[id] = j;
    program.uniformArrayNamesById[id++] = arrayName;
   }
  }
 }
};

/** @suppress {duplicate } */ var _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);
 }
 /* GL_INVALID_VALUE */ return -1;
};

var _emscripten_glGetUniformLocation = _glGetUniformLocation;

var 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);
 }
};

/** @suppress{checkTypes} */ var emscriptenWebGLGetUniform = (program, location, params, type) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ 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:
   SAFE_HEAP_STORE(((params) >> 2) * 4, data, 4);
   break;

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

   case 2:
    SAFE_HEAP_STORE_D((((params) + (i * 4)) >> 2) * 4, data[i], 4);
    break;
   }
  }
 }
};

/** @suppress {duplicate } */ var _glGetUniformfv = (program, location, params) => {
 emscriptenWebGLGetUniform(program, location, params, 2);
};

var _emscripten_glGetUniformfv = _glGetUniformfv;

/** @suppress {duplicate } */ var _glGetUniformiv = (program, location, params) => {
 emscriptenWebGLGetUniform(program, location, params, 0);
};

var _emscripten_glGetUniformiv = _glGetUniformiv;

/** @suppress {duplicate } */ var _glGetVertexAttribPointerv = (index, pname, pointer) => {
 if (!pointer) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 SAFE_HEAP_STORE(((pointer) >> 2) * 4, GLctx.getVertexAttribOffset(index, pname), 4);
};

var _emscripten_glGetVertexAttribPointerv = _glGetVertexAttribPointerv;

/** @suppress{checkTypes} */ var emscriptenWebGLGetVertexAttrib = (index, pname, params, type) => {
 if (!params) {
  GL.recordError(1281);
  /* GL_INVALID_VALUE */ return;
 }
 var data = GLctx.getVertexAttrib(index, pname);
 if (pname == 34975) /*VERTEX_ATTRIB_ARRAY_BUFFER_BINDING*/ {
  SAFE_HEAP_STORE(((params) >> 2) * 4, data && data["name"], 4);
 } else if (typeof data == "number" || typeof data == "boolean") {
  switch (type) {
  case 0:
   SAFE_HEAP_STORE(((params) >> 2) * 4, data, 4);
   break;

  case 2:
   SAFE_HEAP_STORE_D(((params) >> 2) * 4, data, 4);
   break;

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

   case 2:
    SAFE_HEAP_STORE_D((((params) + (i * 4)) >> 2) * 4, data[i], 4);
    break;

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

/** @suppress {duplicate } */ var _glGetVertexAttribfv = (index, pname, params) => {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 2);
};

var _emscripten_glGetVertexAttribfv = _glGetVertexAttribfv;

/** @suppress {duplicate } */ var _glGetVertexAttribiv = (index, pname, params) => {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 5);
};

var _emscripten_glGetVertexAttribiv = _glGetVertexAttribiv;

/** @suppress {duplicate } */ function _glHint(x0, x1) {
 GLctx.hint(x0, x1);
}

var _emscripten_glHint = _glHint;

/** @suppress {duplicate } */ var _glIsBuffer = buffer => {
 var b = GL.buffers[buffer];
 if (!b) return 0;
 return GLctx.isBuffer(b);
};

var _emscripten_glIsBuffer = _glIsBuffer;

/** @suppress {duplicate } */ function _glIsEnabled(x0) {
 return GLctx.isEnabled(x0);
}

var _emscripten_glIsEnabled = _glIsEnabled;

/** @suppress {duplicate } */ var _glIsFramebuffer = framebuffer => {
 var fb = GL.framebuffers[framebuffer];
 if (!fb) return 0;
 return GLctx.isFramebuffer(fb);
};

var _emscripten_glIsFramebuffer = _glIsFramebuffer;

/** @suppress {duplicate } */ var _glIsProgram = program => {
 program = GL.programs[program];
 if (!program) return 0;
 return GLctx.isProgram(program);
};

var _emscripten_glIsProgram = _glIsProgram;

/** @suppress {duplicate } */ var _glIsQueryEXT = id => {
 var query = GL.queries[id];
 if (!query) return 0;
 return GLctx.disjointTimerQueryExt["isQueryEXT"](query);
};

var _emscripten_glIsQueryEXT = _glIsQueryEXT;

/** @suppress {duplicate } */ var _glIsRenderbuffer = renderbuffer => {
 var rb = GL.renderbuffers[renderbuffer];
 if (!rb) return 0;
 return GLctx.isRenderbuffer(rb);
};

var _emscripten_glIsRenderbuffer = _glIsRenderbuffer;

/** @suppress {duplicate } */ var _glIsShader = shader => {
 var s = GL.shaders[shader];
 if (!s) return 0;
 return GLctx.isShader(s);
};

var _emscripten_glIsShader = _glIsShader;

/** @suppress {duplicate } */ var _glIsTexture = id => {
 var texture = GL.textures[id];
 if (!texture) return 0;
 return GLctx.isTexture(texture);
};

var _emscripten_glIsTexture = _glIsTexture;

/** @suppress {duplicate } */ var _glIsVertexArray = array => {
 var vao = GL.vaos[array];
 if (!vao) return 0;
 return GLctx.isVertexArray(vao);
};

/** @suppress {duplicate } */ var _glIsVertexArrayOES = _glIsVertexArray;

var _emscripten_glIsVertexArrayOES = _glIsVertexArrayOES;

/** @suppress {duplicate } */ function _glLineWidth(x0) {
 GLctx.lineWidth(x0);
}

var _emscripten_glLineWidth = _glLineWidth;

/** @suppress {duplicate } */ var _glLinkProgram = program => {
 program = GL.programs[program];
 GLctx.linkProgram(program);
 program.uniformLocsById = 0;
 program.uniformSizeAndIdsByName = {};
};

var _emscripten_glLinkProgram = _glLinkProgram;

/** @suppress {duplicate } */ var _glPixelStorei = (pname, param) => {
 if (pname == 3317) /* GL_UNPACK_ALIGNMENT */ {
  GL.unpackAlignment = param;
 }
 GLctx.pixelStorei(pname, param);
};

var _emscripten_glPixelStorei = _glPixelStorei;

/** @suppress {duplicate } */ function _glPolygonOffset(x0, x1) {
 GLctx.polygonOffset(x0, x1);
}

var _emscripten_glPolygonOffset = _glPolygonOffset;

/** @suppress {duplicate } */ var _glQueryCounterEXT = (id, target) => {
 GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.queries[id], target);
};

var _emscripten_glQueryCounterEXT = _glQueryCounterEXT;

var 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;
};

var colorChannelsInGlTextureFormat = format => {
 var colorChannels = {
  5: 3,
  6: 4,
  8: 2,
  29502: 3,
  29504: 4
 };
 return colorChannels[format - 6402] || 1;
};

var heapObjectForWebGLType = type => {
 type -= 5120;
 if (type == 1) return HEAPU8;
 if (type == 4) return HEAP32;
 if (type == 6) return HEAPF32;
 if (type == 5 || type == 28922) return HEAPU32;
 return HEAPU16;
};

var heapAccessShiftForWebGLHeap = heap => 31 - Math.clz32(heap.BYTES_PER_ELEMENT);

var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
 var heap = heapObjectForWebGLType(type);
 var shift = heapAccessShiftForWebGLHeap(heap);
 var byteSize = 1 << shift;
 var sizePerPixel = colorChannelsInGlTextureFormat(format) * byteSize;
 var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
 return heap.subarray(pixels >> shift, pixels + bytes >> shift);
};

/** @suppress {duplicate } */ var _glReadPixels = (x, y, width, height, format, type, pixels) => {
 var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
 if (!pixelData) {
  GL.recordError(1280);
  /*GL_INVALID_ENUM*/ return;
 }
 GLctx.readPixels(x, y, width, height, format, type, pixelData);
};

var _emscripten_glReadPixels = _glReadPixels;

/** @suppress {duplicate } */ var _glReleaseShaderCompiler = () => {};

var _emscripten_glReleaseShaderCompiler = _glReleaseShaderCompiler;

/** @suppress {duplicate } */ function _glRenderbufferStorage(x0, x1, x2, x3) {
 GLctx.renderbufferStorage(x0, x1, x2, x3);
}

var _emscripten_glRenderbufferStorage = _glRenderbufferStorage;

/** @suppress {duplicate } */ var _glSampleCoverage = (value, invert) => {
 GLctx.sampleCoverage(value, !!invert);
};

var _emscripten_glSampleCoverage = _glSampleCoverage;

/** @suppress {duplicate } */ function _glScissor(x0, x1, x2, x3) {
 GLctx.scissor(x0, x1, x2, x3);
}

var _emscripten_glScissor = _glScissor;

/** @suppress {duplicate } */ var _glShaderBinary = (count, shaders, binaryformat, binary, length) => {
 GL.recordError(1280);
};

/*GL_INVALID_ENUM*/ var _emscripten_glShaderBinary = _glShaderBinary;

/** @suppress {duplicate } */ var _glShaderSource = (shader, count, string, length) => {
 var source = GL.getSource(shader, count, string, length);
 GLctx.shaderSource(GL.shaders[shader], source);
};

var _emscripten_glShaderSource = _glShaderSource;

/** @suppress {duplicate } */ function _glStencilFunc(x0, x1, x2) {
 GLctx.stencilFunc(x0, x1, x2);
}

var _emscripten_glStencilFunc = _glStencilFunc;

/** @suppress {duplicate } */ function _glStencilFuncSeparate(x0, x1, x2, x3) {
 GLctx.stencilFuncSeparate(x0, x1, x2, x3);
}

var _emscripten_glStencilFuncSeparate = _glStencilFuncSeparate;

/** @suppress {duplicate } */ function _glStencilMask(x0) {
 GLctx.stencilMask(x0);
}

var _emscripten_glStencilMask = _glStencilMask;

/** @suppress {duplicate } */ function _glStencilMaskSeparate(x0, x1) {
 GLctx.stencilMaskSeparate(x0, x1);
}

var _emscripten_glStencilMaskSeparate = _glStencilMaskSeparate;

/** @suppress {duplicate } */ function _glStencilOp(x0, x1, x2) {
 GLctx.stencilOp(x0, x1, x2);
}

var _emscripten_glStencilOp = _glStencilOp;

/** @suppress {duplicate } */ function _glStencilOpSeparate(x0, x1, x2, x3) {
 GLctx.stencilOpSeparate(x0, x1, x2, x3);
}

var _emscripten_glStencilOpSeparate = _glStencilOpSeparate;

/** @suppress {duplicate } */ var _glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
 GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
};

var _emscripten_glTexImage2D = _glTexImage2D;

/** @suppress {duplicate } */ function _glTexParameterf(x0, x1, x2) {
 GLctx.texParameterf(x0, x1, x2);
}

var _emscripten_glTexParameterf = _glTexParameterf;

/** @suppress {duplicate } */ var _glTexParameterfv = (target, pname, params) => {
 var param = SAFE_HEAP_LOAD_D(((params) >> 2) * 4, 4, 0);
 GLctx.texParameterf(target, pname, param);
};

var _emscripten_glTexParameterfv = _glTexParameterfv;

/** @suppress {duplicate } */ function _glTexParameteri(x0, x1, x2) {
 GLctx.texParameteri(x0, x1, x2);
}

var _emscripten_glTexParameteri = _glTexParameteri;

/** @suppress {duplicate } */ var _glTexParameteriv = (target, pname, params) => {
 var param = SAFE_HEAP_LOAD(((params) >> 2) * 4, 4, 0);
 GLctx.texParameteri(target, pname, param);
};

var _emscripten_glTexParameteriv = _glTexParameteriv;

/** @suppress {duplicate } */ var _glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
 var pixelData = null;
 if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
 GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
};

var _emscripten_glTexSubImage2D = _glTexSubImage2D;

/** @suppress {duplicate } */ var _glUniform1f = (location, v0) => {
 GLctx.uniform1f(webglGetUniformLocation(location), v0);
};

var _emscripten_glUniform1f = _glUniform1f;

var miniTempWebGLFloatBuffers = [];

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

var _emscripten_glUniform1fv = _glUniform1fv;

/** @suppress {duplicate } */ var _glUniform1i = (location, v0) => {
 GLctx.uniform1i(webglGetUniformLocation(location), v0);
};

var _emscripten_glUniform1i = _glUniform1i;

var miniTempWebGLIntBuffers = [];

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

var _emscripten_glUniform1iv = _glUniform1iv;

/** @suppress {duplicate } */ var _glUniform2f = (location, v0, v1) => {
 GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
};

var _emscripten_glUniform2f = _glUniform2f;

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

var _emscripten_glUniform2fv = _glUniform2fv;

/** @suppress {duplicate } */ var _glUniform2i = (location, v0, v1) => {
 GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
};

var _emscripten_glUniform2i = _glUniform2i;

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

var _emscripten_glUniform2iv = _glUniform2iv;

/** @suppress {duplicate } */ var _glUniform3f = (location, v0, v1, v2) => {
 GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
};

var _emscripten_glUniform3f = _glUniform3f;

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

var _emscripten_glUniform3fv = _glUniform3fv;

/** @suppress {duplicate } */ var _glUniform3i = (location, v0, v1, v2) => {
 GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
};

var _emscripten_glUniform3i = _glUniform3i;

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

var _emscripten_glUniform3iv = _glUniform3iv;

/** @suppress {duplicate } */ var _glUniform4f = (location, v0, v1, v2, v3) => {
 GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
};

var _emscripten_glUniform4f = _glUniform4f;

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

var _emscripten_glUniform4fv = _glUniform4fv;

/** @suppress {duplicate } */ var _glUniform4i = (location, v0, v1, v2, v3) => {
 GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
};

var _emscripten_glUniform4i = _glUniform4i;

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

var _emscripten_glUniform4iv = _glUniform4iv;

/** @suppress {duplicate } */ var _glUniformMatrix2fv = (location, count, transpose, value) => {
 if (count <= 72) {
  var view = miniTempWebGLFloatBuffers[4 * count - 1];
  for (var i = 0; i < 4 * count; i += 4) {
   view[i] = SAFE_HEAP_LOAD_D((((value) + (4 * i)) >> 2) * 4, 4, 0);
   view[i + 1] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 4)) >> 2) * 4, 4, 0);
   view[i + 2] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 8)) >> 2) * 4, 4, 0);
   view[i + 3] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 12)) >> 2) * 4, 4, 0);
  }
 } else {
  var view = HEAPF32.subarray((value) >> 2, (value + count * 16) >> 2);
 }
 GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
};

var _emscripten_glUniformMatrix2fv = _glUniformMatrix2fv;

/** @suppress {duplicate } */ var _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] = SAFE_HEAP_LOAD_D((((value) + (4 * i)) >> 2) * 4, 4, 0);
   view[i + 1] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 4)) >> 2) * 4, 4, 0);
   view[i + 2] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 8)) >> 2) * 4, 4, 0);
   view[i + 3] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 12)) >> 2) * 4, 4, 0);
   view[i + 4] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 16)) >> 2) * 4, 4, 0);
   view[i + 5] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 20)) >> 2) * 4, 4, 0);
   view[i + 6] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 24)) >> 2) * 4, 4, 0);
   view[i + 7] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 28)) >> 2) * 4, 4, 0);
   view[i + 8] = SAFE_HEAP_LOAD_D((((value) + (4 * i + 32)) >> 2) * 4, 4, 0);
  }
 } else {
  var view = HEAPF32.subarray((value) >> 2, (value + count * 36) >> 2);
 }
 GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
};

var _emscripten_glUniformMatrix3fv = _glUniformMatrix3fv;

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

var _emscripten_glUniformMatrix4fv = _glUniformMatrix4fv;

/** @suppress {duplicate } */ var _glUseProgram = program => {
 program = GL.programs[program];
 GLctx.useProgram(program);
 GLctx.currentProgram = program;
};

var _emscripten_glUseProgram = _glUseProgram;

/** @suppress {duplicate } */ var _glValidateProgram = program => {
 GLctx.validateProgram(GL.programs[program]);
};

var _emscripten_glValidateProgram = _glValidateProgram;

/** @suppress {duplicate } */ function _glVertexAttrib1f(x0, x1) {
 GLctx.vertexAttrib1f(x0, x1);
}

var _emscripten_glVertexAttrib1f = _glVertexAttrib1f;

/** @suppress {duplicate } */ var _glVertexAttrib1fv = (index, v) => {
 GLctx.vertexAttrib1f(index, SAFE_HEAP_LOAD_D((v >> 2) * 4, 4, 0));
};

var _emscripten_glVertexAttrib1fv = _glVertexAttrib1fv;

/** @suppress {duplicate } */ function _glVertexAttrib2f(x0, x1, x2) {
 GLctx.vertexAttrib2f(x0, x1, x2);
}

var _emscripten_glVertexAttrib2f = _glVertexAttrib2f;

/** @suppress {duplicate } */ var _glVertexAttrib2fv = (index, v) => {
 GLctx.vertexAttrib2f(index, SAFE_HEAP_LOAD_D((v >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 4 >> 2) * 4, 4, 0));
};

var _emscripten_glVertexAttrib2fv = _glVertexAttrib2fv;

/** @suppress {duplicate } */ function _glVertexAttrib3f(x0, x1, x2, x3) {
 GLctx.vertexAttrib3f(x0, x1, x2, x3);
}

var _emscripten_glVertexAttrib3f = _glVertexAttrib3f;

/** @suppress {duplicate } */ var _glVertexAttrib3fv = (index, v) => {
 GLctx.vertexAttrib3f(index, SAFE_HEAP_LOAD_D((v >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 4 >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 8 >> 2) * 4, 4, 0));
};

var _emscripten_glVertexAttrib3fv = _glVertexAttrib3fv;

/** @suppress {duplicate } */ function _glVertexAttrib4f(x0, x1, x2, x3, x4) {
 GLctx.vertexAttrib4f(x0, x1, x2, x3, x4);
}

var _emscripten_glVertexAttrib4f = _glVertexAttrib4f;

/** @suppress {duplicate } */ var _glVertexAttrib4fv = (index, v) => {
 GLctx.vertexAttrib4f(index, SAFE_HEAP_LOAD_D((v >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 4 >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 8 >> 2) * 4, 4, 0), SAFE_HEAP_LOAD_D((v + 12 >> 2) * 4, 4, 0));
};

var _emscripten_glVertexAttrib4fv = _glVertexAttrib4fv;

/** @suppress {duplicate } */ var _glVertexAttribDivisor = (index, divisor) => {
 GLctx.vertexAttribDivisor(index, divisor);
};

/** @suppress {duplicate } */ var _glVertexAttribDivisorANGLE = _glVertexAttribDivisor;

var _emscripten_glVertexAttribDivisorANGLE = _glVertexAttribDivisorANGLE;

/** @suppress {duplicate } */ var _glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
 GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
};

var _emscripten_glVertexAttribPointer = _glVertexAttribPointer;

/** @suppress {duplicate } */ function _glViewport(x0, x1, x2, x3) {
 GLctx.viewport(x0, x1, x2, x3);
}

var _emscripten_glViewport = _glViewport;

var _emscripten_has_asyncify = () => 1;

var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);

var 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, /* priority over pointer lock */ [ target, strategy ]);
   return 1;
  }
  return -2;
 }
 return JSEvents_requestFullscreen(target, strategy);
};

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

var _emscripten_request_fullscreen_strategy = (target, deferUntilInEventHandler, fullscreenStrategy) => {
 var strategy = {
  scaleMode: SAFE_HEAP_LOAD(((fullscreenStrategy) >> 2) * 4, 4, 0),
  canvasResolutionScaleMode: SAFE_HEAP_LOAD((((fullscreenStrategy) + (4)) >> 2) * 4, 4, 0),
  filteringMode: SAFE_HEAP_LOAD((((fullscreenStrategy) + (8)) >> 2) * 4, 4, 0),
  deferUntilInEventHandler: deferUntilInEventHandler,
  canvasResizedCallback: SAFE_HEAP_LOAD((((fullscreenStrategy) + (12)) >> 2) * 4, 4, 0),
  canvasResizedCallbackUserData: SAFE_HEAP_LOAD((((fullscreenStrategy) + (16)) >> 2) * 4, 4, 0)
 };
 return doRequestFullscreen(target, strategy);
};

var _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, /* priority below fullscreen */ [ target ]);
   return 1;
  }
  return -2;
 }
 return requestPointerLock(target);
};

var getHeapMax = () => HEAPU8.length;

var abortOnCannotGrowMemory = requestedSize => {
 abort("OOM");
};

var _emscripten_resize_heap = requestedSize => {
 var oldSize = HEAPU8.length;
 requestedSize >>>= 0;
 abortOnCannotGrowMemory(requestedSize);
};

var _emscripten_sample_gamepad_data = () => (JSEvents.lastGamepadState = (navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null))) ? 0 : -1;

var registerBeforeUnloadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) => {
 var beforeUnloadEventHandlerFunc = (e = event) => {
  var confirmationMessage = ((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, 0, userData);
  if (confirmationMessage) {
   confirmationMessage = UTF8ToString(confirmationMessage);
  }
  if (confirmationMessage) {
   e.preventDefault();
   e.returnValue = confirmationMessage;
   return confirmationMessage;
  }
 };
 var eventHandler = {
  target: findEventTarget(target),
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: beforeUnloadEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_beforeunload_callback_on_thread = (userData, callbackfunc, targetThread) => {
 if (typeof onbeforeunload == "undefined") return -1;
 if (targetThread !== 1) return -5;
 return registerBeforeUnloadEventCallback(2, userData, true, callbackfunc, 28, "beforeunload");
};

var registerFocusEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc(256);
 var focusEventHandlerFunc = (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 (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, focusEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: focusEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_blur_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);

var _emscripten_set_element_css_size = (target, width, height) => {
 target = findEventTarget(target);
 if (!target) return -4;
 target.style.width = width + "px";
 target.style.height = height + "px";
 return 0;
};

var _emscripten_set_focus_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);

var registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc(280);
 var fullscreenChangeEventhandlerFunc = (e = event) => {
  var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
  fillFullscreenChangeEventData(fullscreenChangeEvent);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: fullscreenChangeEventhandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _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);
};

var registerGamepadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc(1432);
 var gamepadEventHandlerFunc = (e = event) => {
  var gamepadEvent = JSEvents.gamepadEvent;
  fillGamepadEventData(gamepadEvent, e["gamepad"]);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, gamepadEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: gamepadEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_gamepadconnected_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
 if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
 return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
};

var _emscripten_set_gamepaddisconnected_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
 if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
 return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
};

var registerKeyEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc(176);
 var keyEventHandlerFunc = e => {
  var keyEventData = JSEvents.keyEvent;
  SAFE_HEAP_STORE_D(((keyEventData) >> 3) * 8, e.timeStamp, 8);
  var idx = ((keyEventData) >> 2);
  SAFE_HEAP_STORE((idx + 2) * 4, e.location, 4);
  SAFE_HEAP_STORE((idx + 3) * 4, e.ctrlKey, 4);
  SAFE_HEAP_STORE((idx + 4) * 4, e.shiftKey, 4);
  SAFE_HEAP_STORE((idx + 5) * 4, e.altKey, 4);
  SAFE_HEAP_STORE((idx + 6) * 4, e.metaKey, 4);
  SAFE_HEAP_STORE((idx + 7) * 4, e.repeat, 4);
  SAFE_HEAP_STORE((idx + 8) * 4, e.charCode, 4);
  SAFE_HEAP_STORE((idx + 9) * 4, e.keyCode, 4);
  SAFE_HEAP_STORE((idx + 10) * 4, e.which, 4);
  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 (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, keyEventData, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: findEventTarget(target),
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: keyEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_keydown_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);

var _emscripten_set_keypress_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);

var _emscripten_set_keyup_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);

var _emscripten_set_main_loop = (func, fps, simulateInfiniteLoop) => {
 var browserIterationFunc = (() => dynCall_v.call(null, func));
 setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop);
};

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

var registerMouseEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc(72);
 target = findEventTarget(target);
 var mouseEventHandlerFunc = (e = event) => {
  fillMouseEventData(JSEvents.mouseEvent, e, target);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(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);
};

var _emscripten_set_mousedown_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);

var _emscripten_set_mouseenter_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);

var _emscripten_set_mouseleave_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);

var _emscripten_set_mousemove_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);

var _emscripten_set_mouseup_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);

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

var registerPointerlockChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc(260);
 var pointerlockChangeEventHandlerFunc = (e = event) => {
  var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
  fillPointerlockChangeEventData(pointerlockChangeEvent);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: pointerlockChangeEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

/** @suppress {missingProperties} */ var _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);
};

var registerUiEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc(36);
 target = findEventTarget(target);
 var uiEventHandlerFunc = (e = event) => {
  if (e.target != target) {
   return;
  }
  var b = document.body;
  if (!b) {
   return;
  }
  var uiEvent = JSEvents.uiEvent;
  SAFE_HEAP_STORE(((uiEvent) >> 2) * 4, e.detail, 4);
  SAFE_HEAP_STORE((((uiEvent) + (4)) >> 2) * 4, b.clientWidth, 4);
  SAFE_HEAP_STORE((((uiEvent) + (8)) >> 2) * 4, b.clientHeight, 4);
  SAFE_HEAP_STORE((((uiEvent) + (12)) >> 2) * 4, innerWidth, 4);
  SAFE_HEAP_STORE((((uiEvent) + (16)) >> 2) * 4, innerHeight, 4);
  SAFE_HEAP_STORE((((uiEvent) + (20)) >> 2) * 4, outerWidth, 4);
  SAFE_HEAP_STORE((((uiEvent) + (24)) >> 2) * 4, outerHeight, 4);
  SAFE_HEAP_STORE((((uiEvent) + (28)) >> 2) * 4, pageXOffset, 4);
  SAFE_HEAP_STORE((((uiEvent) + (32)) >> 2) * 4, pageYOffset, 4);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, uiEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: uiEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_resize_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);

var registerTouchEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc(1696);
 target = findEventTarget(target);
 var touchEventHandlerFunc = 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;
  SAFE_HEAP_STORE_D(((touchEvent) >> 3) * 8, e.timeStamp, 8);
  var idx = ((touchEvent) >> 2);
  SAFE_HEAP_STORE((idx + 3) * 4, e.ctrlKey, 4);
  SAFE_HEAP_STORE((idx + 4) * 4, e.shiftKey, 4);
  SAFE_HEAP_STORE((idx + 5) * 4, e.altKey, 4);
  SAFE_HEAP_STORE((idx + 6) * 4, e.metaKey, 4);
  idx += 7;
  var targetRect = getBoundingClientRect(target);
  var numTouches = 0;
  for (var i in touches) {
   t = touches[i];
   SAFE_HEAP_STORE((idx + 0) * 4, t.identifier, 4);
   SAFE_HEAP_STORE((idx + 1) * 4, t.screenX, 4);
   SAFE_HEAP_STORE((idx + 2) * 4, t.screenY, 4);
   SAFE_HEAP_STORE((idx + 3) * 4, t.clientX, 4);
   SAFE_HEAP_STORE((idx + 4) * 4, t.clientY, 4);
   SAFE_HEAP_STORE((idx + 5) * 4, t.pageX, 4);
   SAFE_HEAP_STORE((idx + 6) * 4, t.pageY, 4);
   SAFE_HEAP_STORE((idx + 7) * 4, t.isChanged, 4);
   SAFE_HEAP_STORE((idx + 8) * 4, t.onTarget, 4);
   SAFE_HEAP_STORE((idx + 9) * 4, t.clientX - targetRect.left, 4);
   SAFE_HEAP_STORE((idx + 10) * 4, t.clientY - targetRect.top, 4);
   idx += 13;
   if (++numTouches > 31) {
    break;
   }
  }
  SAFE_HEAP_STORE((((touchEvent) + (8)) >> 2) * 4, numTouches, 4);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(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);
};

var _emscripten_set_touchcancel_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);

var _emscripten_set_touchend_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);

var _emscripten_set_touchmove_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);

var _emscripten_set_touchstart_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);

var fillVisibilityChangeEventData = eventStruct => {
 var visibilityStates = [ "hidden", "visible", "prerender", "unloaded" ];
 var visibilityState = visibilityStates.indexOf(document.visibilityState);
 SAFE_HEAP_STORE(((eventStruct) >> 2) * 4, document.hidden, 4);
 SAFE_HEAP_STORE((((eventStruct) + (4)) >> 2) * 4, visibilityState, 4);
};

var registerVisibilityChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.visibilityChangeEvent) JSEvents.visibilityChangeEvent = _malloc(8);
 var visibilityChangeEventHandlerFunc = (e = event) => {
  var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
  fillVisibilityChangeEventData(visibilityChangeEvent);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: visibilityChangeEventHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _emscripten_set_visibilitychange_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
 if (!specialHTMLTargets[1]) {
  return -4;
 }
 return registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
};

var registerWheelEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
 if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc(104);
 var wheelHandlerFunc = (e = event) => {
  var wheelEvent = JSEvents.wheelEvent;
  fillMouseEventData(wheelEvent, e, target);
  SAFE_HEAP_STORE_D((((wheelEvent) + (72)) >> 3) * 8, e["deltaX"], 8);
  SAFE_HEAP_STORE_D((((wheelEvent) + (80)) >> 3) * 8, e["deltaY"], 8);
  SAFE_HEAP_STORE_D((((wheelEvent) + (88)) >> 3) * 8, e["deltaZ"], 8);
  SAFE_HEAP_STORE((((wheelEvent) + (96)) >> 2) * 4, e["deltaMode"], 4);
  if (((a1, a2, a3) => dynCall_iiii.apply(null, [ callbackfunc, a1, a2, a3 ]))(eventTypeId, wheelEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: wheelHandlerFunc,
  useCapture: useCapture
 };
 return JSEvents.registerOrRemoveHandler(eventHandler);
};

var _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_set_window_title = title => document.title = UTF8ToString(title);

var _emscripten_sleep = ms => Asyncify.handleSleep(wakeUp => safeSetTimeout(wakeUp, ms));

_emscripten_sleep.isAsync = true;

var ENV = {};

var getExecutableName = () => thisProgram || "./this.program";

var 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;
};

var stringToAscii = (str, buffer) => {
 for (var i = 0; i < str.length; ++i) {
  SAFE_HEAP_STORE(((buffer++) >> 0), str.charCodeAt(i), 1);
 }
 SAFE_HEAP_STORE(((buffer) >> 0), 0, 1);
};

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

var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
 var strings = getEnvStrings();
 SAFE_HEAP_STORE(((penviron_count) >> 2) * 4, strings.length, 4);
 var bufSize = 0;
 strings.forEach(string => bufSize += string.length + 1);
 SAFE_HEAP_STORE(((penviron_buf_size) >> 2) * 4, bufSize, 4);
 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;
  }
  SAFE_HEAP_STORE(((pbuf) >> 0), type, 1);
  SAFE_HEAP_STORE((((pbuf) + (2)) >> 1) * 2, flags, 2);
  (tempI64 = [ rightsBase >>> 0, (tempDouble = rightsBase, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((pbuf) + (8)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((pbuf) + (12)) >> 2) * 4, tempI64[1], 4));
  (tempI64 = [ rightsInheriting >>> 0, (tempDouble = rightsInheriting, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE((((pbuf) + (16)) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((pbuf) + (20)) >> 2) * 4, tempI64[1], 4));
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = SAFE_HEAP_LOAD(((iov) >> 2) * 4, 4, 1);
  var len = SAFE_HEAP_LOAD((((iov) + (4)) >> 2) * 4, 4, 1);
  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);
  SAFE_HEAP_STORE(((pnum) >> 2) * 4, num, 4);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
 var offset = convertI32PairToI53Checked(offset_low, offset_high);
 try {
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.llseek(stream, offset, whence);
  (tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], 
  SAFE_HEAP_STORE(((newOffset) >> 2) * 4, tempI64[0], 4), SAFE_HEAP_STORE((((newOffset) + (4)) >> 2) * 4, tempI64[1], 4));
  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;
 }
}

/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = SAFE_HEAP_LOAD(((iov) >> 2) * 4, 4, 1);
  var len = SAFE_HEAP_LOAD((((iov) + (4)) >> 2) * 4, 4, 1);
  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);
  SAFE_HEAP_STORE(((pnum) >> 2) * 4, num, 4);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
  return e.errno;
 }
}

var _system = command => {
 if (ENVIRONMENT_IS_NODE) {
  if (!command) return 1;
  var cmdstr = UTF8ToString(command);
  if (!cmdstr.length) return 0;
  var cp = require("child_process");
  var ret = cp.spawnSync(cmdstr, [], {
   shell: true,
   stdio: "inherit"
  });
  var _W_EXITCODE = (ret, sig) => ((ret) << 8 | (sig));
  if (ret.status === null) {
   var signalToNumber = sig => {
    switch (sig) {
    case "SIGHUP":
     return 1;

    case "SIGINT":
     return 2;

    case "SIGQUIT":
     return 3;

    case "SIGFPE":
     return 8;

    case "SIGKILL":
     return 9;

    case "SIGALRM":
     return 14;

    case "SIGTERM":
     return 15;
    }
    return 2;
   };
   return _W_EXITCODE(0, signalToNumber(ret.signal));
  }
  return _W_EXITCODE(ret.status, 0);
 }
 if (!command) return 0;
 setErrNo(52);
 return -1;
};

var runAndAbortIfError = func => {
 try {
  return func();
 } catch (e) {
  abort(e);
 }
};

var sigToWasmTypes = sig => {
 var typeNames = {
  "i": "i32",
  "j": "i64",
  "f": "f32",
  "d": "f64",
  "e": "externref",
  "p": "i32"
 };
 var type = {
  parameters: [],
  results: sig[0] == "v" ? [] : [ typeNames[sig[0]] ]
 };
 for (var i = 1; i < sig.length; ++i) {
  type.parameters.push(typeNames[sig[i]]);
 }
 return type;
};

var Asyncify = {
 instrumentWasmImports(imports) {
  var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
  for (var x in imports) {
   (function(x) {
    var original = imports[x];
    var sig = original.sig;
    if (typeof original == "function") {
     var isAsyncifyImport = original.isAsync || importPattern.test(x);
    }
   })(x);
  }
 },
 instrumentWasmExports(exports) {
  var ret = {};
  for (var x in exports) {
   (function(x) {
    var original = exports[x];
    if (typeof original == "function") {
     ret[x] = function() {
      Asyncify.exportCallStack.push(x);
      try {
       return original.apply(null, arguments);
      } finally {
       if (!ABORT) {
        var y = Asyncify.exportCallStack.pop();
        assert(y === x);
        Asyncify.maybeStopUnwind();
       }
      }
     };
    } else {
     ret[x] = original;
    }
   })(x);
  }
  return ret;
 },
 State: {
  Normal: 0,
  Unwinding: 1,
  Rewinding: 2,
  Disabled: 3
 },
 state: 0,
 StackSize: 4096,
 currData: null,
 handleSleepReturnValue: 0,
 exportCallStack: [],
 callStackNameToId: {},
 callStackIdToName: {},
 callStackId: 0,
 asyncPromiseHandlers: null,
 sleepCallbacks: [],
 getCallStackId(funcName) {
  var id = Asyncify.callStackNameToId[funcName];
  if (id === undefined) {
   id = Asyncify.callStackId++;
   Asyncify.callStackNameToId[funcName] = id;
   Asyncify.callStackIdToName[id] = funcName;
  }
  return id;
 },
 maybeStopUnwind() {
  if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) {
   Asyncify.state = Asyncify.State.Normal;
   runtimeKeepalivePush();
   runAndAbortIfError(_asyncify_stop_unwind);
   if (typeof Fibers != "undefined") {
    Fibers.trampoline();
   }
  }
 },
 whenDone() {
  return new Promise((resolve, reject) => {
   Asyncify.asyncPromiseHandlers = {
    resolve: resolve,
    reject: reject
   };
  });
 },
 allocateData() {
  var ptr = _malloc(12 + Asyncify.StackSize);
  Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize);
  Asyncify.setDataRewindFunc(ptr);
  return ptr;
 },
 setDataHeader(ptr, stack, stackSize) {
  SAFE_HEAP_STORE(((ptr) >> 2) * 4, stack, 4);
  SAFE_HEAP_STORE((((ptr) + (4)) >> 2) * 4, stack + stackSize, 4);
 },
 setDataRewindFunc(ptr) {
  var bottomOfCallStack = Asyncify.exportCallStack[0];
  var rewindId = Asyncify.getCallStackId(bottomOfCallStack);
  SAFE_HEAP_STORE((((ptr) + (8)) >> 2) * 4, rewindId, 4);
 },
 getDataRewindFunc(ptr) {
  var id = SAFE_HEAP_LOAD((((ptr) + (8)) >> 2) * 4, 4, 0);
  var name = Asyncify.callStackIdToName[id];
  var func = wasmExports[name];
  return func;
 },
 doRewind(ptr) {
  var start = Asyncify.getDataRewindFunc(ptr);
  runtimeKeepalivePop();
  return start();
 },
 handleSleep(startAsync) {
  if (ABORT) return;
  if (Asyncify.state === Asyncify.State.Normal) {
   var reachedCallback = false;
   var reachedAfterCallback = false;
   startAsync((handleSleepReturnValue = 0) => {
    if (ABORT) return;
    Asyncify.handleSleepReturnValue = handleSleepReturnValue;
    reachedCallback = true;
    if (!reachedAfterCallback) {
     return;
    }
    Asyncify.state = Asyncify.State.Rewinding;
    runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData));
    if (typeof Browser != "undefined" && Browser.mainLoop.func) {
     Browser.mainLoop.resume();
    }
    var asyncWasmReturnValue, isError = false;
    try {
     asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData);
    } catch (err) {
     asyncWasmReturnValue = err;
     isError = true;
    }
    var handled = false;
    if (!Asyncify.currData) {
     var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers;
     if (asyncPromiseHandlers) {
      Asyncify.asyncPromiseHandlers = null;
      (isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue);
      handled = true;
     }
    }
    if (isError && !handled) {
     throw asyncWasmReturnValue;
    }
   });
   reachedAfterCallback = true;
   if (!reachedCallback) {
    Asyncify.state = Asyncify.State.Unwinding;
    Asyncify.currData = Asyncify.allocateData();
    if (typeof Browser != "undefined" && Browser.mainLoop.func) {
     Browser.mainLoop.pause();
    }
    runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData));
   }
  } else if (Asyncify.state === Asyncify.State.Rewinding) {
   Asyncify.state = Asyncify.State.Normal;
   runAndAbortIfError(_asyncify_stop_rewind);
   _free(Asyncify.currData);
   Asyncify.currData = null;
   Asyncify.sleepCallbacks.forEach(func => callUserCallback(func));
  } else {
   abort(`invalid state: ${Asyncify.state}`);
  }
  return Asyncify.handleSleepReturnValue;
 },
 handleAsync(startAsync) {
  return Asyncify.handleSleep(wakeUp => {
   startAsync().then(wakeUp);
  });
 }
};

var getCFunc = ident => {
 var func = Module["_" + ident];
 return func;
};

var writeArrayToMemory = (array, buffer) => {
 HEAP8.set(array, buffer);
};

/**
     * @param {string|null=} returnType
     * @param {Array=} argTypes
     * @param {Arguments|Array=} args
     * @param {Object=} opts
     */ var 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);
  }
  if (returnType === "boolean") return Boolean(ret);
  return ret;
 }
 var func = getCFunc(ident);
 var cArgs = [];
 var stack = 0;
 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 previousAsync = Asyncify.currData;
 var ret = func.apply(null, cArgs);
 function onDone(ret) {
  runtimeKeepalivePop();
  if (stack !== 0) stackRestore(stack);
  return convertReturnValue(ret);
 }
 var asyncMode = opts && opts.async;
 runtimeKeepalivePush();
 if (Asyncify.currData != previousAsync) {
  return Asyncify.whenDone().then(onDone);
 }
 ret = onDone(ret);
 if (asyncMode) return Promise.resolve(ret);
 return ret;
};

var FS_unlink = path => FS.unlink(path);

var FSNode = /** @constructor */ 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 | /*292*/ 73;

/*73*/ var writeMode = 146;

/*146*/ Object.defineProperties(FSNode.prototype, {
 read: {
  get: /** @this{FSNode} */ function() {
   return (this.mode & readMode) === readMode;
  },
  set: /** @this{FSNode} */ function(val) {
   val ? this.mode |= readMode : this.mode &= ~readMode;
  }
 },
 write: {
  get: /** @this{FSNode} */ function() {
   return (this.mode & writeMode) === writeMode;
  },
  set: /** @this{FSNode} */ function(val) {
   val ? this.mode |= writeMode : this.mode &= ~writeMode;
  }
 },
 isFolder: {
  get: /** @this{FSNode} */ function() {
   return FS.isDir(this.mode);
  }
 },
 isDevice: {
  get: /** @this{FSNode} */ 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;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_unlink"] = FS.unlink;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

Module["requestFullscreen"] = (lockPointer, resizeCanvas) => Browser.requestFullscreen(lockPointer, resizeCanvas);

Module["requestAnimationFrame"] = func => Browser.requestAnimationFrame(func);

Module["setCanvasSize"] = (width, height, noUpdates) => Browser.setCanvasSize(width, height, noUpdates);

Module["pauseMainLoop"] = () => Browser.mainLoop.pause();

Module["resumeMainLoop"] = () => Browser.mainLoop.resume();

Module["getUserMedia"] = () => Browser.getUserMedia();

Module["createContext"] = (canvas, useWebGL, setInModule, webGLContextAttributes) => Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);

var preloadedImages = {};

var preloadedAudios = {};

var GLctx;

for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));

var miniTempWebGLFloatBuffersStorage = new Float32Array(288);

for (/**@suppress{duplicate}*/ var i = 0; i < 288; ++i) {
 miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1);
}

var miniTempWebGLIntBuffersStorage = new Int32Array(288);

for (/**@suppress{duplicate}*/ var i = 0; i < 288; ++i) {
 miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i + 1);
}

var wasmImports = {
 /** @export */ __assert_fail: ___assert_fail,
 /** @export */ __asyncjs__hydra_send_packet: __asyncjs__hydra_send_packet,
 /** @export */ __syscall_fcntl64: ___syscall_fcntl64,
 /** @export */ __syscall_fstat64: ___syscall_fstat64,
 /** @export */ __syscall_getdents64: ___syscall_getdents64,
 /** @export */ __syscall_ioctl: ___syscall_ioctl,
 /** @export */ __syscall_lstat64: ___syscall_lstat64,
 /** @export */ __syscall_mkdirat: ___syscall_mkdirat,
 /** @export */ __syscall_newfstatat: ___syscall_newfstatat,
 /** @export */ __syscall_openat: ___syscall_openat,
 /** @export */ __syscall_renameat: ___syscall_renameat,
 /** @export */ __syscall_rmdir: ___syscall_rmdir,
 /** @export */ __syscall_stat64: ___syscall_stat64,
 /** @export */ __syscall_unlinkat: ___syscall_unlinkat,
 /** @export */ _emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
 /** @export */ _mmap_js: __mmap_js,
 /** @export */ _munmap_js: __munmap_js,
 /** @export */ alignfault: alignfault,
 /** @export */ eglBindAPI: _eglBindAPI,
 /** @export */ eglChooseConfig: _eglChooseConfig,
 /** @export */ eglCreateContext: _eglCreateContext,
 /** @export */ eglCreateWindowSurface: _eglCreateWindowSurface,
 /** @export */ eglDestroyContext: _eglDestroyContext,
 /** @export */ eglDestroySurface: _eglDestroySurface,
 /** @export */ eglGetConfigAttrib: _eglGetConfigAttrib,
 /** @export */ eglGetDisplay: _eglGetDisplay,
 /** @export */ eglGetError: _eglGetError,
 /** @export */ eglInitialize: _eglInitialize,
 /** @export */ eglMakeCurrent: _eglMakeCurrent,
 /** @export */ eglQueryString: _eglQueryString,
 /** @export */ eglSwapBuffers: _eglSwapBuffers,
 /** @export */ eglSwapInterval: _eglSwapInterval,
 /** @export */ eglTerminate: _eglTerminate,
 /** @export */ eglWaitGL: _eglWaitGL,
 /** @export */ eglWaitNative: _eglWaitNative,
 /** @export */ emscripten_asm_const_int: _emscripten_asm_const_int,
 /** @export */ emscripten_asm_const_int_sync_on_main_thread: _emscripten_asm_const_int_sync_on_main_thread,
 /** @export */ emscripten_cancel_main_loop: _emscripten_cancel_main_loop,
 /** @export */ emscripten_date_now: _emscripten_date_now,
 /** @export */ emscripten_exit_fullscreen: _emscripten_exit_fullscreen,
 /** @export */ emscripten_exit_pointerlock: _emscripten_exit_pointerlock,
 /** @export */ emscripten_force_exit: _emscripten_force_exit,
 /** @export */ emscripten_get_device_pixel_ratio: _emscripten_get_device_pixel_ratio,
 /** @export */ emscripten_get_element_css_size: _emscripten_get_element_css_size,
 /** @export */ emscripten_get_fullscreen_status: _emscripten_get_fullscreen_status,
 /** @export */ emscripten_get_gamepad_status: _emscripten_get_gamepad_status,
 /** @export */ emscripten_get_now: _emscripten_get_now,
 /** @export */ emscripten_get_num_gamepads: _emscripten_get_num_gamepads,
 /** @export */ emscripten_get_screen_size: _emscripten_get_screen_size,
 /** @export */ emscripten_glActiveTexture: _emscripten_glActiveTexture,
 /** @export */ emscripten_glAttachShader: _emscripten_glAttachShader,
 /** @export */ emscripten_glBeginQueryEXT: _emscripten_glBeginQueryEXT,
 /** @export */ emscripten_glBindAttribLocation: _emscripten_glBindAttribLocation,
 /** @export */ emscripten_glBindBuffer: _emscripten_glBindBuffer,
 /** @export */ emscripten_glBindFramebuffer: _emscripten_glBindFramebuffer,
 /** @export */ emscripten_glBindRenderbuffer: _emscripten_glBindRenderbuffer,
 /** @export */ emscripten_glBindTexture: _emscripten_glBindTexture,
 /** @export */ emscripten_glBindVertexArrayOES: _emscripten_glBindVertexArrayOES,
 /** @export */ emscripten_glBlendColor: _emscripten_glBlendColor,
 /** @export */ emscripten_glBlendEquation: _emscripten_glBlendEquation,
 /** @export */ emscripten_glBlendEquationSeparate: _emscripten_glBlendEquationSeparate,
 /** @export */ emscripten_glBlendFunc: _emscripten_glBlendFunc,
 /** @export */ emscripten_glBlendFuncSeparate: _emscripten_glBlendFuncSeparate,
 /** @export */ emscripten_glBufferData: _emscripten_glBufferData,
 /** @export */ emscripten_glBufferSubData: _emscripten_glBufferSubData,
 /** @export */ emscripten_glCheckFramebufferStatus: _emscripten_glCheckFramebufferStatus,
 /** @export */ emscripten_glClear: _emscripten_glClear,
 /** @export */ emscripten_glClearColor: _emscripten_glClearColor,
 /** @export */ emscripten_glClearDepthf: _emscripten_glClearDepthf,
 /** @export */ emscripten_glClearStencil: _emscripten_glClearStencil,
 /** @export */ emscripten_glColorMask: _emscripten_glColorMask,
 /** @export */ emscripten_glCompileShader: _emscripten_glCompileShader,
 /** @export */ emscripten_glCompressedTexImage2D: _emscripten_glCompressedTexImage2D,
 /** @export */ emscripten_glCompressedTexSubImage2D: _emscripten_glCompressedTexSubImage2D,
 /** @export */ emscripten_glCopyTexImage2D: _emscripten_glCopyTexImage2D,
 /** @export */ emscripten_glCopyTexSubImage2D: _emscripten_glCopyTexSubImage2D,
 /** @export */ emscripten_glCreateProgram: _emscripten_glCreateProgram,
 /** @export */ emscripten_glCreateShader: _emscripten_glCreateShader,
 /** @export */ emscripten_glCullFace: _emscripten_glCullFace,
 /** @export */ emscripten_glDeleteBuffers: _emscripten_glDeleteBuffers,
 /** @export */ emscripten_glDeleteFramebuffers: _emscripten_glDeleteFramebuffers,
 /** @export */ emscripten_glDeleteProgram: _emscripten_glDeleteProgram,
 /** @export */ emscripten_glDeleteQueriesEXT: _emscripten_glDeleteQueriesEXT,
 /** @export */ emscripten_glDeleteRenderbuffers: _emscripten_glDeleteRenderbuffers,
 /** @export */ emscripten_glDeleteShader: _emscripten_glDeleteShader,
 /** @export */ emscripten_glDeleteTextures: _emscripten_glDeleteTextures,
 /** @export */ emscripten_glDeleteVertexArraysOES: _emscripten_glDeleteVertexArraysOES,
 /** @export */ emscripten_glDepthFunc: _emscripten_glDepthFunc,
 /** @export */ emscripten_glDepthMask: _emscripten_glDepthMask,
 /** @export */ emscripten_glDepthRangef: _emscripten_glDepthRangef,
 /** @export */ emscripten_glDetachShader: _emscripten_glDetachShader,
 /** @export */ emscripten_glDisable: _emscripten_glDisable,
 /** @export */ emscripten_glDisableVertexAttribArray: _emscripten_glDisableVertexAttribArray,
 /** @export */ emscripten_glDrawArrays: _emscripten_glDrawArrays,
 /** @export */ emscripten_glDrawArraysInstancedANGLE: _emscripten_glDrawArraysInstancedANGLE,
 /** @export */ emscripten_glDrawBuffersWEBGL: _emscripten_glDrawBuffersWEBGL,
 /** @export */ emscripten_glDrawElements: _emscripten_glDrawElements,
 /** @export */ emscripten_glDrawElementsInstancedANGLE: _emscripten_glDrawElementsInstancedANGLE,
 /** @export */ emscripten_glEnable: _emscripten_glEnable,
 /** @export */ emscripten_glEnableVertexAttribArray: _emscripten_glEnableVertexAttribArray,
 /** @export */ emscripten_glEndQueryEXT: _emscripten_glEndQueryEXT,
 /** @export */ emscripten_glFinish: _emscripten_glFinish,
 /** @export */ emscripten_glFlush: _emscripten_glFlush,
 /** @export */ emscripten_glFramebufferRenderbuffer: _emscripten_glFramebufferRenderbuffer,
 /** @export */ emscripten_glFramebufferTexture2D: _emscripten_glFramebufferTexture2D,
 /** @export */ emscripten_glFrontFace: _emscripten_glFrontFace,
 /** @export */ emscripten_glGenBuffers: _emscripten_glGenBuffers,
 /** @export */ emscripten_glGenFramebuffers: _emscripten_glGenFramebuffers,
 /** @export */ emscripten_glGenQueriesEXT: _emscripten_glGenQueriesEXT,
 /** @export */ emscripten_glGenRenderbuffers: _emscripten_glGenRenderbuffers,
 /** @export */ emscripten_glGenTextures: _emscripten_glGenTextures,
 /** @export */ emscripten_glGenVertexArraysOES: _emscripten_glGenVertexArraysOES,
 /** @export */ emscripten_glGenerateMipmap: _emscripten_glGenerateMipmap,
 /** @export */ emscripten_glGetActiveAttrib: _emscripten_glGetActiveAttrib,
 /** @export */ emscripten_glGetActiveUniform: _emscripten_glGetActiveUniform,
 /** @export */ emscripten_glGetAttachedShaders: _emscripten_glGetAttachedShaders,
 /** @export */ emscripten_glGetAttribLocation: _emscripten_glGetAttribLocation,
 /** @export */ emscripten_glGetBooleanv: _emscripten_glGetBooleanv,
 /** @export */ emscripten_glGetBufferParameteriv: _emscripten_glGetBufferParameteriv,
 /** @export */ emscripten_glGetError: _emscripten_glGetError,
 /** @export */ emscripten_glGetFloatv: _emscripten_glGetFloatv,
 /** @export */ emscripten_glGetFramebufferAttachmentParameteriv: _emscripten_glGetFramebufferAttachmentParameteriv,
 /** @export */ emscripten_glGetIntegerv: _emscripten_glGetIntegerv,
 /** @export */ emscripten_glGetProgramInfoLog: _emscripten_glGetProgramInfoLog,
 /** @export */ emscripten_glGetProgramiv: _emscripten_glGetProgramiv,
 /** @export */ emscripten_glGetQueryObjecti64vEXT: _emscripten_glGetQueryObjecti64vEXT,
 /** @export */ emscripten_glGetQueryObjectivEXT: _emscripten_glGetQueryObjectivEXT,
 /** @export */ emscripten_glGetQueryObjectui64vEXT: _emscripten_glGetQueryObjectui64vEXT,
 /** @export */ emscripten_glGetQueryObjectuivEXT: _emscripten_glGetQueryObjectuivEXT,
 /** @export */ emscripten_glGetQueryivEXT: _emscripten_glGetQueryivEXT,
 /** @export */ emscripten_glGetRenderbufferParameteriv: _emscripten_glGetRenderbufferParameteriv,
 /** @export */ emscripten_glGetShaderInfoLog: _emscripten_glGetShaderInfoLog,
 /** @export */ emscripten_glGetShaderPrecisionFormat: _emscripten_glGetShaderPrecisionFormat,
 /** @export */ emscripten_glGetShaderSource: _emscripten_glGetShaderSource,
 /** @export */ emscripten_glGetShaderiv: _emscripten_glGetShaderiv,
 /** @export */ emscripten_glGetString: _emscripten_glGetString,
 /** @export */ emscripten_glGetTexParameterfv: _emscripten_glGetTexParameterfv,
 /** @export */ emscripten_glGetTexParameteriv: _emscripten_glGetTexParameteriv,
 /** @export */ emscripten_glGetUniformLocation: _emscripten_glGetUniformLocation,
 /** @export */ emscripten_glGetUniformfv: _emscripten_glGetUniformfv,
 /** @export */ emscripten_glGetUniformiv: _emscripten_glGetUniformiv,
 /** @export */ emscripten_glGetVertexAttribPointerv: _emscripten_glGetVertexAttribPointerv,
 /** @export */ emscripten_glGetVertexAttribfv: _emscripten_glGetVertexAttribfv,
 /** @export */ emscripten_glGetVertexAttribiv: _emscripten_glGetVertexAttribiv,
 /** @export */ emscripten_glHint: _emscripten_glHint,
 /** @export */ emscripten_glIsBuffer: _emscripten_glIsBuffer,
 /** @export */ emscripten_glIsEnabled: _emscripten_glIsEnabled,
 /** @export */ emscripten_glIsFramebuffer: _emscripten_glIsFramebuffer,
 /** @export */ emscripten_glIsProgram: _emscripten_glIsProgram,
 /** @export */ emscripten_glIsQueryEXT: _emscripten_glIsQueryEXT,
 /** @export */ emscripten_glIsRenderbuffer: _emscripten_glIsRenderbuffer,
 /** @export */ emscripten_glIsShader: _emscripten_glIsShader,
 /** @export */ emscripten_glIsTexture: _emscripten_glIsTexture,
 /** @export */ emscripten_glIsVertexArrayOES: _emscripten_glIsVertexArrayOES,
 /** @export */ emscripten_glLineWidth: _emscripten_glLineWidth,
 /** @export */ emscripten_glLinkProgram: _emscripten_glLinkProgram,
 /** @export */ emscripten_glPixelStorei: _emscripten_glPixelStorei,
 /** @export */ emscripten_glPolygonOffset: _emscripten_glPolygonOffset,
 /** @export */ emscripten_glQueryCounterEXT: _emscripten_glQueryCounterEXT,
 /** @export */ emscripten_glReadPixels: _emscripten_glReadPixels,
 /** @export */ emscripten_glReleaseShaderCompiler: _emscripten_glReleaseShaderCompiler,
 /** @export */ emscripten_glRenderbufferStorage: _emscripten_glRenderbufferStorage,
 /** @export */ emscripten_glSampleCoverage: _emscripten_glSampleCoverage,
 /** @export */ emscripten_glScissor: _emscripten_glScissor,
 /** @export */ emscripten_glShaderBinary: _emscripten_glShaderBinary,
 /** @export */ emscripten_glShaderSource: _emscripten_glShaderSource,
 /** @export */ emscripten_glStencilFunc: _emscripten_glStencilFunc,
 /** @export */ emscripten_glStencilFuncSeparate: _emscripten_glStencilFuncSeparate,
 /** @export */ emscripten_glStencilMask: _emscripten_glStencilMask,
 /** @export */ emscripten_glStencilMaskSeparate: _emscripten_glStencilMaskSeparate,
 /** @export */ emscripten_glStencilOp: _emscripten_glStencilOp,
 /** @export */ emscripten_glStencilOpSeparate: _emscripten_glStencilOpSeparate,
 /** @export */ emscripten_glTexImage2D: _emscripten_glTexImage2D,
 /** @export */ emscripten_glTexParameterf: _emscripten_glTexParameterf,
 /** @export */ emscripten_glTexParameterfv: _emscripten_glTexParameterfv,
 /** @export */ emscripten_glTexParameteri: _emscripten_glTexParameteri,
 /** @export */ emscripten_glTexParameteriv: _emscripten_glTexParameteriv,
 /** @export */ emscripten_glTexSubImage2D: _emscripten_glTexSubImage2D,
 /** @export */ emscripten_glUniform1f: _emscripten_glUniform1f,
 /** @export */ emscripten_glUniform1fv: _emscripten_glUniform1fv,
 /** @export */ emscripten_glUniform1i: _emscripten_glUniform1i,
 /** @export */ emscripten_glUniform1iv: _emscripten_glUniform1iv,
 /** @export */ emscripten_glUniform2f: _emscripten_glUniform2f,
 /** @export */ emscripten_glUniform2fv: _emscripten_glUniform2fv,
 /** @export */ emscripten_glUniform2i: _emscripten_glUniform2i,
 /** @export */ emscripten_glUniform2iv: _emscripten_glUniform2iv,
 /** @export */ emscripten_glUniform3f: _emscripten_glUniform3f,
 /** @export */ emscripten_glUniform3fv: _emscripten_glUniform3fv,
 /** @export */ emscripten_glUniform3i: _emscripten_glUniform3i,
 /** @export */ emscripten_glUniform3iv: _emscripten_glUniform3iv,
 /** @export */ emscripten_glUniform4f: _emscripten_glUniform4f,
 /** @export */ emscripten_glUniform4fv: _emscripten_glUniform4fv,
 /** @export */ emscripten_glUniform4i: _emscripten_glUniform4i,
 /** @export */ emscripten_glUniform4iv: _emscripten_glUniform4iv,
 /** @export */ emscripten_glUniformMatrix2fv: _emscripten_glUniformMatrix2fv,
 /** @export */ emscripten_glUniformMatrix3fv: _emscripten_glUniformMatrix3fv,
 /** @export */ emscripten_glUniformMatrix4fv: _emscripten_glUniformMatrix4fv,
 /** @export */ emscripten_glUseProgram: _emscripten_glUseProgram,
 /** @export */ emscripten_glValidateProgram: _emscripten_glValidateProgram,
 /** @export */ emscripten_glVertexAttrib1f: _emscripten_glVertexAttrib1f,
 /** @export */ emscripten_glVertexAttrib1fv: _emscripten_glVertexAttrib1fv,
 /** @export */ emscripten_glVertexAttrib2f: _emscripten_glVertexAttrib2f,
 /** @export */ emscripten_glVertexAttrib2fv: _emscripten_glVertexAttrib2fv,
 /** @export */ emscripten_glVertexAttrib3f: _emscripten_glVertexAttrib3f,
 /** @export */ emscripten_glVertexAttrib3fv: _emscripten_glVertexAttrib3fv,
 /** @export */ emscripten_glVertexAttrib4f: _emscripten_glVertexAttrib4f,
 /** @export */ emscripten_glVertexAttrib4fv: _emscripten_glVertexAttrib4fv,
 /** @export */ emscripten_glVertexAttribDivisorANGLE: _emscripten_glVertexAttribDivisorANGLE,
 /** @export */ emscripten_glVertexAttribPointer: _emscripten_glVertexAttribPointer,
 /** @export */ emscripten_glViewport: _emscripten_glViewport,
 /** @export */ emscripten_has_asyncify: _emscripten_has_asyncify,
 /** @export */ emscripten_memcpy_js: _emscripten_memcpy_js,
 /** @export */ emscripten_request_fullscreen: _emscripten_request_fullscreen,
 /** @export */ emscripten_request_fullscreen_strategy: _emscripten_request_fullscreen_strategy,
 /** @export */ emscripten_request_pointerlock: _emscripten_request_pointerlock,
 /** @export */ emscripten_resize_heap: _emscripten_resize_heap,
 /** @export */ emscripten_sample_gamepad_data: _emscripten_sample_gamepad_data,
 /** @export */ emscripten_set_beforeunload_callback_on_thread: _emscripten_set_beforeunload_callback_on_thread,
 /** @export */ emscripten_set_blur_callback_on_thread: _emscripten_set_blur_callback_on_thread,
 /** @export */ emscripten_set_canvas_element_size: _emscripten_set_canvas_element_size,
 /** @export */ emscripten_set_element_css_size: _emscripten_set_element_css_size,
 /** @export */ emscripten_set_focus_callback_on_thread: _emscripten_set_focus_callback_on_thread,
 /** @export */ emscripten_set_fullscreenchange_callback_on_thread: _emscripten_set_fullscreenchange_callback_on_thread,
 /** @export */ emscripten_set_gamepadconnected_callback_on_thread: _emscripten_set_gamepadconnected_callback_on_thread,
 /** @export */ emscripten_set_gamepaddisconnected_callback_on_thread: _emscripten_set_gamepaddisconnected_callback_on_thread,
 /** @export */ emscripten_set_keydown_callback_on_thread: _emscripten_set_keydown_callback_on_thread,
 /** @export */ emscripten_set_keypress_callback_on_thread: _emscripten_set_keypress_callback_on_thread,
 /** @export */ emscripten_set_keyup_callback_on_thread: _emscripten_set_keyup_callback_on_thread,
 /** @export */ emscripten_set_main_loop: _emscripten_set_main_loop,
 /** @export */ emscripten_set_mousedown_callback_on_thread: _emscripten_set_mousedown_callback_on_thread,
 /** @export */ emscripten_set_mouseenter_callback_on_thread: _emscripten_set_mouseenter_callback_on_thread,
 /** @export */ emscripten_set_mouseleave_callback_on_thread: _emscripten_set_mouseleave_callback_on_thread,
 /** @export */ emscripten_set_mousemove_callback_on_thread: _emscripten_set_mousemove_callback_on_thread,
 /** @export */ emscripten_set_mouseup_callback_on_thread: _emscripten_set_mouseup_callback_on_thread,
 /** @export */ emscripten_set_pointerlockchange_callback_on_thread: _emscripten_set_pointerlockchange_callback_on_thread,
 /** @export */ emscripten_set_resize_callback_on_thread: _emscripten_set_resize_callback_on_thread,
 /** @export */ emscripten_set_touchcancel_callback_on_thread: _emscripten_set_touchcancel_callback_on_thread,
 /** @export */ emscripten_set_touchend_callback_on_thread: _emscripten_set_touchend_callback_on_thread,
 /** @export */ emscripten_set_touchmove_callback_on_thread: _emscripten_set_touchmove_callback_on_thread,
 /** @export */ emscripten_set_touchstart_callback_on_thread: _emscripten_set_touchstart_callback_on_thread,
 /** @export */ emscripten_set_visibilitychange_callback_on_thread: _emscripten_set_visibilitychange_callback_on_thread,
 /** @export */ emscripten_set_wheel_callback_on_thread: _emscripten_set_wheel_callback_on_thread,
 /** @export */ emscripten_set_window_title: _emscripten_set_window_title,
 /** @export */ emscripten_sleep: _emscripten_sleep,
 /** @export */ environ_get: _environ_get,
 /** @export */ environ_sizes_get: _environ_sizes_get,
 /** @export */ exit: _exit,
 /** @export */ fd_close: _fd_close,
 /** @export */ fd_fdstat_get: _fd_fdstat_get,
 /** @export */ fd_read: _fd_read,
 /** @export */ fd_seek: _fd_seek,
 /** @export */ fd_write: _fd_write,
 /** @export */ hydra_set_ip: hydra_set_ip,
 /** @export */ segfault: segfault,
 /** @export */ system: _system
};

var wasmExports = createWasm();

var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports["__wasm_call_ctors"])();

var _main = Module["_main"] = (a0, a1) => (_main = Module["_main"] = wasmExports["__main_argc_argv"])(a0, a1);

var _malloc = Module["_malloc"] = a0 => (_malloc = Module["_malloc"] = wasmExports["malloc"])(a0);

var _fflush = Module["_fflush"] = a0 => (_fflush = Module["_fflush"] = wasmExports["fflush"])(a0);

var _free = Module["_free"] = a0 => (_free = Module["_free"] = wasmExports["free"])(a0);

var ___errno_location = () => (___errno_location = wasmExports["__errno_location"])();

var _ReceivePacket = Module["_ReceivePacket"] = (a0, a1, a2) => (_ReceivePacket = Module["_ReceivePacket"] = wasmExports["ReceivePacket"])(a0, a1, a2);

var ___funcs_on_exit = () => (___funcs_on_exit = wasmExports["__funcs_on_exit"])();

var _emscripten_builtin_memalign = (a0, a1) => (_emscripten_builtin_memalign = wasmExports["emscripten_builtin_memalign"])(a0, a1);

var _emscripten_get_sbrk_ptr = () => (_emscripten_get_sbrk_ptr = wasmExports["emscripten_get_sbrk_ptr"])();

var _sbrk = a0 => (_sbrk = wasmExports["sbrk"])(a0);

var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports["emscripten_stack_init"])();

var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports["emscripten_stack_get_free"])();

var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports["emscripten_stack_get_base"])();

var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports["emscripten_stack_get_end"])();

var stackSave = () => (stackSave = wasmExports["stackSave"])();

var stackRestore = a0 => (stackRestore = wasmExports["stackRestore"])(a0);

var stackAlloc = a0 => (stackAlloc = wasmExports["stackAlloc"])(a0);

var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports["emscripten_stack_get_current"])();

var dynCall_v = Module["dynCall_v"] = a0 => (dynCall_v = Module["dynCall_v"] = wasmExports["dynCall_v"])(a0);

var dynCall_viiii = Module["dynCall_viiii"] = (a0, a1, a2, a3, a4) => (dynCall_viiii = Module["dynCall_viiii"] = wasmExports["dynCall_viiii"])(a0, a1, a2, a3, a4);

var dynCall_i = Module["dynCall_i"] = a0 => (dynCall_i = Module["dynCall_i"] = wasmExports["dynCall_i"])(a0);

var dynCall_vi = Module["dynCall_vi"] = (a0, a1) => (dynCall_vi = Module["dynCall_vi"] = wasmExports["dynCall_vi"])(a0, a1);

var dynCall_iii = Module["dynCall_iii"] = (a0, a1, a2) => (dynCall_iii = Module["dynCall_iii"] = wasmExports["dynCall_iii"])(a0, a1, a2);

var dynCall_vii = Module["dynCall_vii"] = (a0, a1, a2) => (dynCall_vii = Module["dynCall_vii"] = wasmExports["dynCall_vii"])(a0, a1, a2);

var dynCall_ii = Module["dynCall_ii"] = (a0, a1) => (dynCall_ii = Module["dynCall_ii"] = wasmExports["dynCall_ii"])(a0, a1);

var dynCall_viii = Module["dynCall_viii"] = (a0, a1, a2, a3) => (dynCall_viii = Module["dynCall_viii"] = wasmExports["dynCall_viii"])(a0, a1, a2, a3);

var dynCall_iiiiii = Module["dynCall_iiiiii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_iiiiii = Module["dynCall_iiiiii"] = wasmExports["dynCall_iiiiii"])(a0, a1, a2, a3, a4, a5);

var dynCall_iiiii = Module["dynCall_iiiii"] = (a0, a1, a2, a3, a4) => (dynCall_iiiii = Module["dynCall_iiiii"] = wasmExports["dynCall_iiiii"])(a0, a1, a2, a3, a4);

var dynCall_iiii = Module["dynCall_iiii"] = (a0, a1, a2, a3) => (dynCall_iiii = Module["dynCall_iiii"] = wasmExports["dynCall_iiii"])(a0, a1, a2, a3);

var dynCall_vjii = Module["dynCall_vjii"] = (a0, a1, a2, a3, a4) => (dynCall_vjii = Module["dynCall_vjii"] = wasmExports["dynCall_vjii"])(a0, a1, a2, a3, a4);

var dynCall_vf = Module["dynCall_vf"] = (a0, a1) => (dynCall_vf = Module["dynCall_vf"] = wasmExports["dynCall_vf"])(a0, a1);

var dynCall_iiji = Module["dynCall_iiji"] = (a0, a1, a2, a3, a4) => (dynCall_iiji = Module["dynCall_iiji"] = wasmExports["dynCall_iiji"])(a0, a1, a2, a3, a4);

var dynCall_iid = Module["dynCall_iid"] = (a0, a1, a2) => (dynCall_iid = Module["dynCall_iid"] = wasmExports["dynCall_iid"])(a0, a1, a2);

var dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8) => (dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = wasmExports["dynCall_iiiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7, a8);

var dynCall_viiiii = Module["dynCall_viiiii"] = (a0, a1, a2, a3, a4, a5) => (dynCall_viiiii = Module["dynCall_viiiii"] = wasmExports["dynCall_viiiii"])(a0, a1, a2, a3, a4, a5);

var dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7) => (dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = wasmExports["dynCall_iiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7);

var dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) => (dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = wasmExports["dynCall_iiiiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);

var dynCall_iiiiiiiiiiiiiiff = Module["dynCall_iiiiiiiiiiiiiiff"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15) => (dynCall_iiiiiiiiiiiiiiff = Module["dynCall_iiiiiiiiiiiiiiff"] = wasmExports["dynCall_iiiiiiiiiiiiiiff"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15);

var dynCall_viiiiiii = Module["dynCall_viiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7) => (dynCall_viiiiiii = Module["dynCall_viiiiiii"] = wasmExports["dynCall_viiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7);

var dynCall_viiiiiiiiiii = Module["dynCall_viiiiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11) => (dynCall_viiiiiiiiiii = Module["dynCall_viiiiiiiiiii"] = wasmExports["dynCall_viiiiiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11);

var dynCall_iiiiiidiiff = Module["dynCall_iiiiiidiiff"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) => (dynCall_iiiiiidiiff = Module["dynCall_iiiiiidiiff"] = wasmExports["dynCall_iiiiiidiiff"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);

var dynCall_jiji = Module["dynCall_jiji"] = (a0, a1, a2, a3, a4) => (dynCall_jiji = Module["dynCall_jiji"] = wasmExports["dynCall_jiji"])(a0, a1, a2, a3, a4);

var dynCall_ji = Module["dynCall_ji"] = (a0, a1) => (dynCall_ji = Module["dynCall_ji"] = wasmExports["dynCall_ji"])(a0, a1);

var dynCall_vffff = Module["dynCall_vffff"] = (a0, a1, a2, a3, a4) => (dynCall_vffff = Module["dynCall_vffff"] = wasmExports["dynCall_vffff"])(a0, a1, a2, a3, a4);

var dynCall_viiiiiiii = Module["dynCall_viiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8) => (dynCall_viiiiiiii = Module["dynCall_viiiiiiii"] = wasmExports["dynCall_viiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7, a8);

var dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) => (dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = wasmExports["dynCall_viiiiiiiii"])(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);

var dynCall_vff = Module["dynCall_vff"] = (a0, a1, a2) => (dynCall_vff = Module["dynCall_vff"] = wasmExports["dynCall_vff"])(a0, a1, a2);

var dynCall_vfi = Module["dynCall_vfi"] = (a0, a1, a2) => (dynCall_vfi = Module["dynCall_vfi"] = wasmExports["dynCall_vfi"])(a0, a1, a2);

var dynCall_viif = Module["dynCall_viif"] = (a0, a1, a2, a3) => (dynCall_viif = Module["dynCall_viif"] = wasmExports["dynCall_viif"])(a0, a1, a2, a3);

var dynCall_vif = Module["dynCall_vif"] = (a0, a1, a2) => (dynCall_vif = Module["dynCall_vif"] = wasmExports["dynCall_vif"])(a0, a1, a2);

var dynCall_viff = Module["dynCall_viff"] = (a0, a1, a2, a3) => (dynCall_viff = Module["dynCall_viff"] = wasmExports["dynCall_viff"])(a0, a1, a2, a3);

var dynCall_vifff = Module["dynCall_vifff"] = (a0, a1, a2, a3, a4) => (dynCall_vifff = Module["dynCall_vifff"] = wasmExports["dynCall_vifff"])(a0, a1, a2, a3, a4);

var dynCall_viffff = Module["dynCall_viffff"] = (a0, a1, a2, a3, a4, a5) => (dynCall_viffff = Module["dynCall_viffff"] = wasmExports["dynCall_viffff"])(a0, a1, a2, a3, a4, a5);

var dynCall_viiiiii = Module["dynCall_viiiiii"] = (a0, a1, a2, a3, a4, a5, a6) => (dynCall_viiiiii = Module["dynCall_viiiiii"] = wasmExports["dynCall_viiiiii"])(a0, a1, a2, a3, a4, a5, a6);

var dynCall_iidiiii = Module["dynCall_iidiiii"] = (a0, a1, a2, a3, a4, a5, a6) => (dynCall_iidiiii = Module["dynCall_iidiiii"] = wasmExports["dynCall_iidiiii"])(a0, a1, a2, a3, a4, a5, a6);

var _asyncify_start_unwind = a0 => (_asyncify_start_unwind = wasmExports["asyncify_start_unwind"])(a0);

var _asyncify_stop_unwind = () => (_asyncify_stop_unwind = wasmExports["asyncify_stop_unwind"])();

var _asyncify_start_rewind = a0 => (_asyncify_start_rewind = wasmExports["asyncify_start_rewind"])(a0);

var _asyncify_stop_rewind = () => (_asyncify_stop_rewind = wasmExports["asyncify_stop_rewind"])();

var ___start_em_js = Module["___start_em_js"] = 447984;

var ___stop_em_js = Module["___stop_em_js"] = 448256;

function intArrayFromBase64(s) {
 if (typeof ENVIRONMENT_IS_NODE != "undefined" && ENVIRONMENT_IS_NODE) {
  var buf = Buffer.from(s, "base64");
  return new Uint8Array(buf.buffer, buf.byteOffset, buf.length);
 }
 var decoded = atob(s);
 var bytes = new Uint8Array(decoded.length);
 for (var i = 0; i < decoded.length; ++i) {
  bytes[i] = decoded.charCodeAt(i);
 }
 return bytes;
}

function tryParseAsDataURI(filename) {
 if (!isDataURI(filename)) {
  return;
 }
 return intArrayFromBase64(filename.slice(dataURIPrefix.length));
}

Module["addRunDependency"] = addRunDependency;

Module["removeRunDependency"] = removeRunDependency;

Module["FS_createPath"] = FS.createPath;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

Module["ccall"] = ccall;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS"] = FS;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_unlink"] = FS.unlink;

var calledRun;

dependenciesFulfilled = function runCaller() {
 if (!calledRun) run();
 if (!calledRun) dependenciesFulfilled = runCaller;
};

function callMain(args = []) {
 var entryFunction = _main;
 args.unshift(thisProgram);
 var argc = args.length;
 var argv = stackAlloc((argc + 1) * 4);
 var argv_ptr = argv;
 args.forEach(arg => {
  SAFE_HEAP_STORE(((argv_ptr) >> 2) * 4, stringToUTF8OnStack(arg), 4);
  argv_ptr += 4;
 });
 SAFE_HEAP_STORE(((argv_ptr) >> 2) * 4, 0, 4);
 try {
  var ret = entryFunction(argc, argv);
  exitJS(ret, /* implicit = */ 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();
  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();
}

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();