Pico8ArcadeMachine/hello_root_access.js

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   Module["FS_createDataFile"]("/", "data.pod", fileData0, true, true, false);
  }
  if (Module["calledRun"]) {
   runWithFS();
  } else {
   if (!Module["preRun"]) Module["preRun"] = [];
   Module["preRun"].push(runWithFS);
  }
 };
 loadPackage({
  "files": []
 });
})();

var moduleOverrides = {};

var key;

for (key in Module) {
 if (Module.hasOwnProperty(key)) {
  moduleOverrides[key] = Module[key];
 }
}

Module["arguments"] = [];

Module["thisProgram"] = "./this.program";

Module["quit"] = function(status, toThrow) {
 throw toThrow;
};

Module["preRun"] = [];

Module["postRun"] = [];

var ENVIRONMENT_IS_WEB = false;

var ENVIRONMENT_IS_WORKER = false;

var ENVIRONMENT_IS_NODE = false;

var ENVIRONMENT_IS_SHELL = false;

ENVIRONMENT_IS_WEB = typeof window === "object";

ENVIRONMENT_IS_WORKER = typeof importScripts === "function";

ENVIRONMENT_IS_NODE = typeof process === "object" && typeof require === "function" && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;

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);
 } else {
  return scriptDirectory + path;
 }
}

if (ENVIRONMENT_IS_NODE) {
 scriptDirectory = __dirname + "/";
 var nodeFS;
 var nodePath;
 Module["read"] = function shell_read(filename, binary) {
  var ret;
  ret = tryParseAsDataURI(filename);
  if (!ret) {
   if (!nodeFS) nodeFS = require("fs");
   if (!nodePath) nodePath = require("path");
   filename = nodePath["normalize"](filename);
   ret = nodeFS["readFileSync"](filename);
  }
  return binary ? ret : ret.toString();
 };
 Module["readBinary"] = function readBinary(filename) {
  var ret = Module["read"](filename, true);
  if (!ret.buffer) {
   ret = new Uint8Array(ret);
  }
  assert(ret.buffer);
  return ret;
 };
 if (process["argv"].length > 1) {
  Module["thisProgram"] = process["argv"][1].replace(/\\/g, "/");
 }
 Module["arguments"] = process["argv"].slice(2);
 if (typeof module !== "undefined") {
  module["exports"] = Module;
 }
 process["on"]("uncaughtException", function(ex) {
  if (!(ex instanceof ExitStatus)) {
   throw ex;
  }
 });
 process["on"]("unhandledRejection", abort);
 Module["quit"] = function(status) {
  process["exit"](status);
 };
 Module["inspect"] = function() {
  return "[Emscripten Module object]";
 };
} else if (ENVIRONMENT_IS_SHELL) {
 if (typeof read != "undefined") {
  Module["read"] = function shell_read(f) {
   var data = tryParseAsDataURI(f);
   if (data) {
    return intArrayToString(data);
   }
   return read(f);
  };
 }
 Module["readBinary"] = function readBinary(f) {
  var data;
  data = tryParseAsDataURI(f);
  if (data) {
   return data;
  }
  if (typeof readbuffer === "function") {
   return new Uint8Array(readbuffer(f));
  }
  data = read(f, "binary");
  assert(typeof data === "object");
  return data;
 };
 if (typeof scriptArgs != "undefined") {
  Module["arguments"] = scriptArgs;
 } else if (typeof arguments != "undefined") {
  Module["arguments"] = arguments;
 }
 if (typeof quit === "function") {
  Module["quit"] = function(status) {
   quit(status);
  };
 }
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = self.location.href;
 } else if (document.currentScript) {
  scriptDirectory = document.currentScript.src;
 }
 if (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 Module["read"] = function shell_read(url) {
  try {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, false);
   xhr.send(null);
   return xhr.responseText;
  } catch (err) {
   var data = tryParseAsDataURI(url);
   if (data) {
    return intArrayToString(data);
   }
   throw err;
  }
 };
 if (ENVIRONMENT_IS_WORKER) {
  Module["readBinary"] = function readBinary(url) {
   try {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    xhr.responseType = "arraybuffer";
    xhr.send(null);
    return new Uint8Array(xhr.response);
   } catch (err) {
    var data = tryParseAsDataURI(url);
    if (data) {
     return data;
    }
    throw err;
   }
  };
 }
 Module["readAsync"] = function readAsync(url, onload, onerror) {
  var xhr = new XMLHttpRequest();
  xhr.open("GET", url, true);
  xhr.responseType = "arraybuffer";
  xhr.onload = function xhr_onload() {
   if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
    onload(xhr.response);
    return;
   }
   var data = tryParseAsDataURI(url);
   if (data) {
    onload(data.buffer);
    return;
   }
   onerror();
  };
  xhr.onerror = onerror;
  xhr.send(null);
 };
 Module["setWindowTitle"] = function(title) {
  document.title = title;
 };
} else {}

var out = Module["print"] || (typeof console !== "undefined" ? console.log.bind(console) : typeof print !== "undefined" ? print : null);

var err = Module["printErr"] || (typeof printErr !== "undefined" ? printErr : typeof console !== "undefined" && console.warn.bind(console) || out);

for (key in moduleOverrides) {
 if (moduleOverrides.hasOwnProperty(key)) {
  Module[key] = moduleOverrides[key];
 }
}

moduleOverrides = undefined;

var STACK_ALIGN = 16;

function dynamicAlloc(size) {
 var ret = HEAP32[DYNAMICTOP_PTR >> 2];
 var end = ret + size + 15 & -16;
 if (end <= _emscripten_get_heap_size()) {
  HEAP32[DYNAMICTOP_PTR >> 2] = end;
 } else {
  return 0;
 }
 return ret;
}

function getNativeTypeSize(type) {
 switch (type) {
 case "i1":
 case "i8":
  return 1;

 case "i16":
  return 2;

 case "i32":
  return 4;

 case "i64":
  return 8;

 case "float":
  return 4;

 case "double":
  return 8;

 default:
  {
   if (type[type.length - 1] === "*") {
    return 4;
   } else if (type[0] === "i") {
    var bits = parseInt(type.substr(1));
    assert(bits % 8 === 0, "getNativeTypeSize invalid bits " + bits + ", type " + type);
    return bits / 8;
   } else {
    return 0;
   }
  }
 }
}

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

var jsCallStartIndex = 1;

var functionPointers = new Array(0);

var funcWrappers = {};

function dynCall(sig, ptr, args) {
 if (args && args.length) {
  return Module["dynCall_" + sig].apply(null, [ ptr ].concat(args));
 } else {
  return Module["dynCall_" + sig].call(null, ptr);
 }
}

var tempRet0 = 0;

var setTempRet0 = function(value) {
 tempRet0 = value;
};

var getTempRet0 = function() {
 return tempRet0;
};

var GLOBAL_BASE = 8;

function getValue(ptr, type, noSafe) {
 type = type || "i8";
 if (type.charAt(type.length - 1) === "*") type = "i32";
 switch (type) {
 case "i1":
  return HEAP8[ptr >> 0];

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

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

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

 case "i64":
  return HEAP32[ptr >> 2];

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

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

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

var ABORT = false;

var EXITSTATUS = 0;

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

function getCFunc(ident) {
 var func = Module["_" + ident];
 assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
 return func;
}

function ccall(ident, returnType, argTypes, args, opts) {
 var toC = {
  "string": function(str) {
   var ret = 0;
   if (str !== null && str !== undefined && str !== 0) {
    var len = (str.length << 2) + 1;
    ret = stackAlloc(len);
    stringToUTF8(str, ret, len);
   }
   return ret;
  },
  "array": function(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 ret = func.apply(null, cArgs);
 ret = convertReturnValue(ret);
 if (stack !== 0) stackRestore(stack);
 return ret;
}

function setValue(ptr, value, type, noSafe) {
 type = type || "i8";
 if (type.charAt(type.length - 1) === "*") type = "i32";
 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":
  tempI64 = [ value >>> 0, (tempDouble = value, +Math_abs(tempDouble) >= +1 ? tempDouble > +0 ? (Math_min(+Math_floor(tempDouble / +4294967296), +4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / +4294967296) >>> 0 : 0) ], 
  HEAP32[ptr >> 2] = tempI64[0], HEAP32[ptr + 4 >> 2] = tempI64[1];
  break;

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

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

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

var ALLOC_NORMAL = 0;

var ALLOC_NONE = 3;

function allocate(slab, types, allocator, ptr) {
 var zeroinit, size;
 if (typeof slab === "number") {
  zeroinit = true;
  size = slab;
 } else {
  zeroinit = false;
  size = slab.length;
 }
 var singleType = typeof types === "string" ? types : null;
 var ret;
 if (allocator == ALLOC_NONE) {
  ret = ptr;
 } else {
  ret = [ _malloc, stackAlloc, dynamicAlloc ][allocator](Math.max(size, singleType ? 1 : types.length));
 }
 if (zeroinit) {
  var stop;
  ptr = ret;
  assert((ret & 3) == 0);
  stop = ret + (size & ~3);
  for (;ptr < stop; ptr += 4) {
   HEAP32[ptr >> 2] = 0;
  }
  stop = ret + size;
  while (ptr < stop) {
   HEAP8[ptr++ >> 0] = 0;
  }
  return ret;
 }
 if (singleType === "i8") {
  if (slab.subarray || slab.slice) {
   HEAPU8.set(slab, ret);
  } else {
   HEAPU8.set(new Uint8Array(slab), ret);
  }
  return ret;
 }
 var i = 0, type, typeSize, previousType;
 while (i < size) {
  var curr = slab[i];
  type = singleType || types[i];
  if (type === 0) {
   i++;
   continue;
  }
  if (type == "i64") type = "i32";
  setValue(ret + i, curr, type);
  if (previousType !== type) {
   typeSize = getNativeTypeSize(type);
   previousType = type;
  }
  i += typeSize;
 }
 return ret;
}

function getMemory(size) {
 if (!runtimeInitialized) return dynamicAlloc(size);
 return _malloc(size);
}

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

function UTF8ArrayToString(u8Array, idx, maxBytesToRead) {
 var endIdx = idx + maxBytesToRead;
 var endPtr = idx;
 while (u8Array[endPtr] && !(endPtr >= endIdx)) ++endPtr;
 if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) {
  return UTF8Decoder.decode(u8Array.subarray(idx, endPtr));
 } else {
  var str = "";
  while (idx < endPtr) {
   var u0 = u8Array[idx++];
   if (!(u0 & 128)) {
    str += String.fromCharCode(u0);
    continue;
   }
   var u1 = u8Array[idx++] & 63;
   if ((u0 & 224) == 192) {
    str += String.fromCharCode((u0 & 31) << 6 | u1);
    continue;
   }
   var u2 = u8Array[idx++] & 63;
   if ((u0 & 240) == 224) {
    u0 = (u0 & 15) << 12 | u1 << 6 | u2;
   } else {
    u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | u8Array[idx++] & 63;
   }
   if (u0 < 65536) {
    str += String.fromCharCode(u0);
   } else {
    var ch = u0 - 65536;
    str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
   }
  }
 }
 return str;
}

function UTF8ToString(ptr, maxBytesToRead) {
 return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}

function stringToUTF8Array(str, outU8Array, 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;
   outU8Array[outIdx++] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   outU8Array[outIdx++] = 192 | u >> 6;
   outU8Array[outIdx++] = 128 | u & 63;
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   outU8Array[outIdx++] = 224 | u >> 12;
   outU8Array[outIdx++] = 128 | u >> 6 & 63;
   outU8Array[outIdx++] = 128 | u & 63;
  } else {
   if (outIdx + 3 >= endIdx) break;
   outU8Array[outIdx++] = 240 | u >> 18;
   outU8Array[outIdx++] = 128 | u >> 12 & 63;
   outU8Array[outIdx++] = 128 | u >> 6 & 63;
   outU8Array[outIdx++] = 128 | u & 63;
  }
 }
 outU8Array[outIdx] = 0;
 return outIdx - startIdx;
}

function stringToUTF8(str, outPtr, maxBytesToWrite) {
 return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}

function lengthBytesUTF8(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
  if (u <= 127) ++len; else if (u <= 2047) len += 2; else if (u <= 65535) len += 3; else len += 4;
 }
 return len;
}

var UTF16Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le") : undefined;

function allocateUTF8OnStack(str) {
 var size = lengthBytesUTF8(str) + 1;
 var ret = stackAlloc(size);
 stringToUTF8Array(str, HEAP8, ret, size);
 return ret;
}

function writeArrayToMemory(array, buffer) {
 HEAP8.set(array, buffer);
}

function writeAsciiToMemory(str, buffer, dontAddNull) {
 for (var i = 0; i < str.length; ++i) {
  HEAP8[buffer++ >> 0] = str.charCodeAt(i);
 }
 if (!dontAddNull) HEAP8[buffer >> 0] = 0;
}

function demangle(func) {
 return func;
}

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

function jsStackTrace() {
 var err = new Error();
 if (!err.stack) {
  try {
   throw new Error(0);
  } catch (e) {
   err = e;
  }
  if (!err.stack) {
   return "(no stack trace available)";
  }
 }
 return err.stack.toString();
}

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

var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;

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

var STACK_BASE = 3002288, DYNAMIC_BASE = 8245168, DYNAMICTOP_PTR = 3002032;

var TOTAL_STACK = 5242880;

var TOTAL_MEMORY = Module["TOTAL_MEMORY"] || 134217728;

if (TOTAL_MEMORY < TOTAL_STACK) err("TOTAL_MEMORY should be larger than TOTAL_STACK, was " + TOTAL_MEMORY + "! (TOTAL_STACK=" + TOTAL_STACK + ")");

if (Module["buffer"]) {
 buffer = Module["buffer"];
} else {
 {
  buffer = new ArrayBuffer(TOTAL_MEMORY);
 }
 Module["buffer"] = buffer;
}

updateGlobalBufferViews();

HEAP32[DYNAMICTOP_PTR >> 2] = DYNAMIC_BASE;

function callRuntimeCallbacks(callbacks) {
 while (callbacks.length > 0) {
  var callback = callbacks.shift();
  if (typeof callback == "function") {
   callback();
   continue;
  }
  var func = callback.func;
  if (typeof func === "number") {
   if (callback.arg === undefined) {
    Module["dynCall_v"](func);
   } else {
    Module["dynCall_vi"](func, callback.arg);
   }
  } else {
   func(callback.arg === undefined ? null : callback.arg);
  }
 }
}

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 ensureInitRuntime() {
 if (runtimeInitialized) return;
 runtimeInitialized = true;
 callRuntimeCallbacks(__ATINIT__);
}

function preMain() {
 callRuntimeCallbacks(__ATMAIN__);
}

function exitRuntime() {
 callRuntimeCallbacks(__ATEXIT__);
 runtimeExited = true;
}

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

var Math_abs = Math.abs;

var Math_ceil = Math.ceil;

var Math_floor = Math.floor;

var Math_min = Math.min;

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();
  }
 }
}

Module["preloadedImages"] = {};

Module["preloadedAudios"] = {};

var memoryInitializer = null;

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

function isDataURI(filename) {
 return String.prototype.startsWith ? filename.startsWith(dataURIPrefix) : filename.indexOf(dataURIPrefix) === 0;
}

var ASM_CONSTS = [ function() {
 if (typeof _cartdat !== "undefined") return 1;
 return 0;
}, function() {
 return _cartdat.length / 32768;
}, function() {
 _cdpos = _cdpos + 1;
 return _cartdat[_cdpos - 1];
}, function($0) {
 ciii = $0;
 iii = 0;
}, function() {
 iii = iii + 1;
 return _cartname[ciii].charCodeAt(iii - 1);
}, function() {
 Module.pico8Reset = function() {
  codo_command = 1;
 };
 Module.pico8ToggleSound = function() {
  codo_command = 3;
 };
 Module.pico8TogglePaused = function() {
  codo_command = 4;
 };
 Module.pico8SetPaused = function(p) {
  codo_command = 5;
  codo_command_p = 0;
  if (p) codo_command_p = 1;
 };
 Module.pico8ToggleControlMenu = function() {
  codo_command = 7;
 };
}, function() {
 function mkdir_0(d) {
  try {
   stat = FS.stat(d);
   console.log("found directory: " + d);
  } catch (e) {
   FS.mkdir(d);
   console.log("created directory: " + d);
  }
 }
 console.log("mounting /user_data");
 mkdir_0("/user_data");
 FS.mount(IDBFS, {}, "/user_data");
 FS.syncfs(true, function(err) {
  if (!err) {
   console.log("codo: mounted filesystem.\n");
   codo_mounted_filesystem = 1;
   mkdir_0("/user_data/cdata");
   mkdir_0("/user_data/cstore");
   mkdir_0("/user_data/carts");
   mkdir_0("/user_data/backup");
   mkdir_0("/user_data/plates");
   mkdir_0("/user_data/bbs");
   mkdir_0("/user_data/bbs/carts");
   mkdir_0("/user_data/bbs/labels");
  } else {
   console.log("** could not mount filesystem\n");
   console.log(err);
  }
 });
}, function() {
 var val = 0;
 if (window.location.pathname.indexOf("widget.php") >= 0) val = 1;
 return val;
}, function() {
 var val = 0;
 if (window.location.pathname.indexOf("pico-8.php") >= 0) val = 1;
 return val;
}, function($0, $1, $2, $3, $4) {
 if (typeof pico8_state !== "undefined") {
  pico8_state.is_paused = $0;
  pico8_state.sound_volume = $1;
  pico8_state.frame_number = $2;
  pico8_state.has_focus = $3;
  pico8_state.show_dpad = $4;
 }
}, function() {
 var val = 0;
 if (typeof codo_command !== "undefined") {
  val = codo_command;
  codo_command = 0;
 }
 return val;
}, function() {
 var val = 0;
 if (typeof codo_command_p !== "undefined") {
  val = codo_command_p;
  codo_command_p = 0;
 }
 return val;
}, function() {
 button_i = 0;
}, function() {
 var val = -1;
 if (typeof pico8_buttons !== "undefined") {
  val = pico8_buttons[button_i];
  button_i++;
 }
 return val;
}, function() {
 var val = 0;
 if (typeof pico8_gamepads !== "undefined") {
  val = pico8_gamepads.count;
 }
 return val;
}, function() {
 if (typeof on_module_load !== "undefined") {
  if (on_module_load) on_module_load();
 }
}, function($0, $1, $2, $3) {
 var img = document.createElement("img");
 img.src = UTF8ToString($0, $1);
 img.style.cssText = "margin:4px; display:block; width:" + $2 + "px; height:" + $3 + "px";
 holder = document.getElementById("p8_desktop");
 if (holder) {
  while (holder.childElementCount > 16 - 1) holder.removeChild(holder.firstChild);
  holder.appendChild(img);
 }
}, function($0, $1) {
 if (typeof pico8_state !== "undefined") {
  if (typeof pico8_state.system_messages === "undefined") pico8_state.system_messages = new Array();
  pico8_state.system_messages.push(UTF8ToString($0, $1));
 }
}, function($0) {
 var str = window.location.hostname;
 return allocate(intArrayFromString(str), "i8", ALLOC_NORMAL);
}, function($0, $1) {
 if (typeof pico8_gpio !== "undefined") pico8_gpio[$0] = $1;
}, function($0) {
 var val = 0;
 if (typeof pico8_gpio !== "undefined") val = pico8_gpio[$0];
 return val;
}, function() {
 FS.syncfs(false, function(err) {});
}, function() {
 var val = 0;
 if (typeof codo_mounted_filesystem !== "undefined") val = 1;
 return val;
}, function() {
 return typeof p8_touch_detected === "undefined" || !p8_touch_detected ? 0 : 1;
}, function() {
 return document.hidden ? 1 : 0;
}, function() {
 if (typeof codo_key_buffer === "undefined") codo_key_buffer = [];
 document.addEventListener("keydown", function(e) {
  var val = -1;
  if (e.key.length == 1) {
   val = e.key.charCodeAt(0);
  } else {
   if (e.key == "Tab") val = 9;
   if (e.key == "Enter") val = 13;
   if (e.key == "Backspace") val = 8;
   if (e.key == "Escape") val = 27;
   if (val == -1) {}
  }
  var el = document.getElementById("codo_textarea");
  codo_key_buffer.push(val);
 });
}, function() {
}, function() {
 document.addEventListener("wheel", function(e) {
  dx = e.deltaX;
  if (dx < 0) dx = -1;
  if (dx > 0) dx = 1;
  if (e.deltaMode == 2) dx *= 4;
  if (typeof codo_wheel_dx !== "undefined") codo_wheel_dx -= dx;
  dy = e.deltaY;
  if (dy < 0) dy = -1;
  if (dy > 0) dy = 1;
  if (e.deltaMode == 2) dy *= 4;
  if (typeof codo_wheel_dy !== "undefined") codo_wheel_dy -= dy;
 });
}, function($0) {
 function audio_log(msg) {
  if (window.console && window.console.log) {
   window.console.log("[codo] audio_init_webaudio " + msg);
  }
 }
 audio_log("audio_init");
 var codo_audio_context;
 if (typeof Module === "undefined") audio_log(" *** Module undefined"); else if (typeof Module.ccall === "undefined") audio_log(" **** Module.ccall undefined"); else {
  var webAudioAPI = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.oAudioContext || window.msAudioContext;
  if (webAudioAPI) {
   if (typeof pico8_audio_context !== "undefined") {
    codo_audio_context = pico8_audio_context;
    audio_log("found pico8_audio_context");
   } else if (typeof voxatron_audio_context !== "undefined") {
    codo_audio_context = voxatron_audio_context;
    audio_log("found voxatron_audio_context");
   } else {
    codo_audio_context = new webAudioAPI();
    audio_log("creating own audio context");
   }
   if (codo_audio_context) {
    audio_log("Sample Rate: " + codo_audio_context.sampleRate);
    audio_log("Buffer Size: " + $0);
    node = codo_audio_context.createScriptProcessor($0, 1, 1);
    node.onaudioprocess = function(e) {
     var data = e.outputBuffer.getChannelData(0);
     var r = 22050 / codo_audio_context.sampleRate;
     var len0 = Math.floor(data.length * r);
     var len1 = data.length;
     var ptr = Module.ccall("mix_0", "number", [ "number", "number" ], [ len0, len1 ]);
     for (var j = 0; j < data.length; j++) data[j] = Module.getValue(ptr + j * 2, "i16") / 32768;
    };
    node.connect(codo_audio_context.destination);
   } else {
    audio_log("** failed to create codo_audio_context");
   }
  } else {
   audio_log("** webAudioAPI not found");
  }
 }
}, function() {
 if (typeof codo_key_buffer === "undefined") codo_key_buffer = [];
 return codo_key_buffer.length > 0 ? 1 : 0;
}, function() {
 if (typeof codo_key_buffer === "undefined") codo_key_buffer = [];
 let val = codo_key_buffer.shift() | 0;
 return val;
}, function() {
 temp = typeof codo_wheel_dx !== "undefined" ? codo_wheel_dx : 0;
 codo_wheel_dx = 0;
 return temp;
}, function() {
 temp = typeof codo_wheel_dy !== "undefined" ? codo_wheel_dy : 0;
 codo_wheel_dy = 0;
 return temp;
}, function() {
 if (document.hidden) return 0;
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el) {
  if (el == document.activeElement) return 1;
 }
 el = document.activeElement;
 return !el || el.tagName.toLowerCase() != "input" && el.tagName.toLowerCase() != "textarea";
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el && el.style.display != "none") {
  el.focus();
  el.select();
 }
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el && el.style.display != "none") {
  el.select();
 }
}, function() {
 var ret = 0;
 if (typeof pico8_mouse !== "undefined" && pico8_mouse.length > 0) ret = 1;
 return ret;
}, function() {
 return pico8_mouse[0];
}, function() {
 return pico8_mouse[1];
}, function() {
 return pico8_mouse[2];
}, function() {
 _dir_name = "";
}, function($0) {
 _dir_name = _dir_name + String.fromCharCode($0);
}, function() {
 console.log("@@ mkdir directory (nocheck): " + _dir_name);
 FS.createPath("", _dir_name, true, true);
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el) {}
}, function() {
 _codo_str_out = "";
}, function($0) {
 _codo_str_out = _codo_str_out + String.fromCharCode($0);
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el) {
  el.value = _codo_str_out;
  return 0;
 } else return 1;
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el && el.style.display == "none" && (typeof p8_touch_detected === "undefined" || !p8_touch_detected)) {
  console.log("@@ enabling codo_textfield");
  el.style.display = "";
  el.focus();
  el.select();
 }
}, function() {
 el = typeof codo_textarea === "undefined" ? document.getElementById("codo_textarea") : codo_textarea;
 if (el && el.style.display != "none" && el.value != "") {
  _codo_text_value = el.value;
  return 1;
 }
 return 0;
}, function() {
 return typeof _codo_text_value === "undefined" ? 1 : 0;
}, function() {
 iii = 0;
}, function() {
 iii = iii + 1;
 return _codo_text_value.charCodeAt(iii - 1);
} ];

function _emscripten_asm_const_i(code) {
 return ASM_CONSTS[code]();
}

function _emscripten_asm_const_ii(code, a0) {
 return ASM_CONSTS[code](a0);
}

function _emscripten_asm_const_iii(code, a0, a1) {
 return ASM_CONSTS[code](a0, a1);
}

function _emscripten_asm_const_iiiiii(code, a0, a1, a2, a3, a4) {
 return ASM_CONSTS[code](a0, a1, a2, a3, a4);
}

function _emscripten_asm_const_iiiii(code, a0, a1, a2, a3) {
 return ASM_CONSTS[code](a0, a1, a2, a3);
}

__ATINIT__.push({
 func: function() {
  ___emscripten_environ_constructor();
 }
});

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

var tempDoublePtr = 3002272;

function ___setErrNo(value) {
 if (Module["___errno_location"]) HEAP32[Module["___errno_location"]() >> 2] = value;
 return value;
}

var PATH = {
 splitPath: function(filename) {
  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
  return splitPathRe.exec(filename).slice(1);
 },
 normalizeArray: function(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: function(path) {
  var isAbsolute = path.charAt(0) === "/", trailingSlash = path.substr(-1) === "/";
  path = PATH.normalizeArray(path.split("/").filter(function(p) {
   return !!p;
  }), !isAbsolute).join("/");
  if (!path && !isAbsolute) {
   path = ".";
  }
  if (path && trailingSlash) {
   path += "/";
  }
  return (isAbsolute ? "/" : "") + path;
 },
 dirname: function(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: function(path) {
  if (path === "/") return "/";
  var lastSlash = path.lastIndexOf("/");
  if (lastSlash === -1) return path;
  return path.substr(lastSlash + 1);
 },
 extname: function(path) {
  return PATH.splitPath(path)[3];
 },
 join: function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return PATH.normalize(paths.join("/"));
 },
 join2: function(l, r) {
  return PATH.normalize(l + "/" + r);
 },
 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.charAt(0) === "/";
  }
  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(function(p) {
   return !!p;
  }), !resolvedAbsolute).join("/");
  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
 },
 relative: function(from, to) {
  from = PATH.resolve(from).substr(1);
  to = PATH.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 TTY = {
 ttys: [],
 init: function() {},
 shutdown: function() {},
 register: function(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open: function(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close: function(stream) {
   stream.tty.ops.flush(stream.tty);
  },
  flush: function(stream) {
   stream.tty.ops.flush(stream.tty);
  },
  read: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.get_char) {
    throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
   }
   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(ERRNO_CODES.EIO);
    }
    if (result === undefined && bytesRead === 0) {
     throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
    }
    if (result === null || result === undefined) break;
    bytesRead++;
    buffer[offset + i] = result;
   }
   if (bytesRead) {
    stream.node.timestamp = Date.now();
   }
   return bytesRead;
  },
  write: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.put_char) {
    throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
   }
   try {
    for (var i = 0; i < length; i++) {
     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
    }
   } catch (e) {
    throw new FS.ErrnoError(ERRNO_CODES.EIO);
   }
   if (length) {
    stream.node.timestamp = Date.now();
   }
   return i;
  }
 },
 default_tty_ops: {
  get_char: function(tty) {
   if (!tty.input.length) {
    var result = null;
    if (ENVIRONMENT_IS_NODE) {
     var BUFSIZE = 256;
     var buf = new Buffer(BUFSIZE);
     var bytesRead = 0;
     var isPosixPlatform = process.platform != "win32";
     var fd = process.stdin.fd;
     if (isPosixPlatform) {
      var usingDevice = false;
      try {
       fd = fs.openSync("/dev/stdin", "r");
       usingDevice = true;
      } catch (e) {}
     }
     try {
      bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, null);
     } catch (e) {
      if (e.toString().indexOf("EOF") != -1) bytesRead = 0; else throw e;
     }
     if (usingDevice) {
      fs.closeSync(fd);
     }
     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;
    }
    tty.input = intArrayFromString(result, true);
   }
   return tty.input.shift();
  },
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  flush: function(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 },
 default_tty1_ops: {
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  flush: function(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

var MEMFS = {
 ops_table: null,
 mount: function(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  }
  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;
  }
  return node;
 },
 getFileDataAsRegularArray: function(node) {
  if (node.contents && node.contents.subarray) {
   var arr = [];
   for (var i = 0; i < node.usedBytes; ++i) arr.push(node.contents[i]);
   return arr;
  }
  return node.contents;
 },
 getFileDataAsTypedArray: function(node) {
  if (!node.contents) return new Uint8Array();
  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
  return new Uint8Array(node.contents);
 },
 expandFileStorage: function(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);
  return;
 },
 resizeFileStorage: function(node, newSize) {
  if (node.usedBytes == newSize) return;
  if (newSize == 0) {
   node.contents = null;
   node.usedBytes = 0;
   return;
  }
  if (!node.contents || node.contents.subarray) {
   var oldContents = node.contents;
   node.contents = new Uint8Array(new ArrayBuffer(newSize));
   if (oldContents) {
    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
   }
   node.usedBytes = newSize;
   return;
  }
  if (!node.contents) node.contents = [];
  if (node.contents.length > newSize) node.contents.length = newSize; else while (node.contents.length < newSize) node.contents.push(0);
  node.usedBytes = newSize;
 },
 node_ops: {
  getattr: function(node) {
   var attr = {};
   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
   attr.ino = node.id;
   attr.mode = node.mode;
   attr.nlink = 1;
   attr.uid = 0;
   attr.gid = 0;
   attr.rdev = node.rdev;
   if (FS.isDir(node.mode)) {
    attr.size = 4096;
   } else if (FS.isFile(node.mode)) {
    attr.size = node.usedBytes;
   } else if (FS.isLink(node.mode)) {
    attr.size = node.link.length;
   } else {
    attr.size = 0;
   }
   attr.atime = new Date(node.timestamp);
   attr.mtime = new Date(node.timestamp);
   attr.ctime = new Date(node.timestamp);
   attr.blksize = 4096;
   attr.blocks = Math.ceil(attr.size / attr.blksize);
   return attr;
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
   if (attr.size !== undefined) {
    MEMFS.resizeFileStorage(node, attr.size);
   }
  },
  lookup: function(parent, name) {
   throw FS.genericErrors[ERRNO_CODES.ENOENT];
  },
  mknod: function(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename: function(old_node, new_dir, new_name) {
   if (FS.isDir(old_node.mode)) {
    var new_node;
    try {
     new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (new_node) {
     for (var i in new_node.contents) {
      throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
     }
    }
   }
   delete old_node.parent.contents[old_node.name];
   old_node.name = new_name;
   new_dir.contents[new_name] = old_node;
   old_node.parent = new_dir;
  },
  unlink: function(parent, name) {
   delete parent.contents[name];
  },
  rmdir: function(parent, name) {
   var node = FS.lookupNode(parent, name);
   for (var i in node.contents) {
    throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
   }
   delete parent.contents[name];
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink: function(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
   }
   return node.link;
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= stream.node.usedBytes) return 0;
   var size = Math.min(stream.node.usedBytes - position, length);
   assert(size >= 0);
   if (size > 8 && contents.subarray) {
    buffer.set(contents.subarray(position, position + size), offset);
   } else {
    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
   }
   return size;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
   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 = new Uint8Array(buffer.subarray(offset, offset + length));
     node.usedBytes = length;
     return length;
    } else if (position + length <= node.usedBytes) {
     node.contents.set(buffer.subarray(offset, offset + length), position);
     return length;
    }
   }
   MEMFS.expandFileStorage(node, position + length);
   if (node.contents.subarray && buffer.subarray) node.contents.set(buffer.subarray(offset, offset + length), position); else {
    for (var i = 0; i < length; i++) {
     node.contents[position + i] = buffer[offset + i];
    }
   }
   node.usedBytes = Math.max(node.usedBytes, position + length);
   return length;
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.usedBytes;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
   }
   return position;
  },
  allocate: function(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap: function(stream, buffer, offset, length, position, prot, flags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
   }
   var ptr;
   var allocated;
   var contents = stream.node.contents;
   if (!(flags & 2) && (contents.buffer === buffer || contents.buffer === buffer.buffer)) {
    allocated = false;
    ptr = contents.byteOffset;
   } else {
    if (position > 0 || position + length < stream.node.usedBytes) {
     if (contents.subarray) {
      contents = contents.subarray(position, position + length);
     } else {
      contents = Array.prototype.slice.call(contents, position, position + length);
     }
    }
    allocated = true;
    ptr = _malloc(length);
    if (!ptr) {
     throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
    }
    buffer.set(contents, ptr);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
   }
   if (mmapFlags & 2) {
    return 0;
   }
   var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

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

var NODEFS = {
 isWindows: false,
 staticInit: function() {
  NODEFS.isWindows = !!process.platform.match(/^win/);
  var flags = process["binding"]("constants");
  if (flags["fs"]) {
   flags = flags["fs"];
  }
  NODEFS.flagsForNodeMap = {
   1024: flags["O_APPEND"],
   64: flags["O_CREAT"],
   128: flags["O_EXCL"],
   0: flags["O_RDONLY"],
   2: flags["O_RDWR"],
   4096: flags["O_SYNC"],
   512: flags["O_TRUNC"],
   1: flags["O_WRONLY"]
  };
 },
 bufferFrom: function(arrayBuffer) {
  return Buffer.alloc ? Buffer.from(arrayBuffer) : new Buffer(arrayBuffer);
 },
 mount: function(mount) {
  assert(ENVIRONMENT_IS_NODE);
  return NODEFS.createNode(null, "/", NODEFS.getMode(mount.opts.root), 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
   throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
  }
  var node = FS.createNode(parent, name, mode);
  node.node_ops = NODEFS.node_ops;
  node.stream_ops = NODEFS.stream_ops;
  return node;
 },
 getMode: function(path) {
  var stat;
  try {
   stat = fs.lstatSync(path);
   if (NODEFS.isWindows) {
    stat.mode = stat.mode | (stat.mode & 292) >> 2;
   }
  } catch (e) {
   if (!e.code) throw e;
   throw new FS.ErrnoError(ERRNO_CODES[e.code]);
  }
  return stat.mode;
 },
 realPath: function(node) {
  var parts = [];
  while (node.parent !== node) {
   parts.push(node.name);
   node = node.parent;
  }
  parts.push(node.mount.opts.root);
  parts.reverse();
  return PATH.join.apply(null, parts);
 },
 flagsForNode: function(flags) {
  flags &= ~2097152;
  flags &= ~2048;
  flags &= ~32768;
  flags &= ~524288;
  var newFlags = 0;
  for (var k in NODEFS.flagsForNodeMap) {
   if (flags & k) {
    newFlags |= NODEFS.flagsForNodeMap[k];
    flags ^= k;
   }
  }
  if (!flags) {
   return newFlags;
  } else {
   throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
  }
 },
 node_ops: {
  getattr: function(node) {
   var path = NODEFS.realPath(node);
   var stat;
   try {
    stat = fs.lstatSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
   if (NODEFS.isWindows && !stat.blksize) {
    stat.blksize = 4096;
   }
   if (NODEFS.isWindows && !stat.blocks) {
    stat.blocks = (stat.size + stat.blksize - 1) / stat.blksize | 0;
   }
   return {
    dev: stat.dev,
    ino: stat.ino,
    mode: stat.mode,
    nlink: stat.nlink,
    uid: stat.uid,
    gid: stat.gid,
    rdev: stat.rdev,
    size: stat.size,
    atime: stat.atime,
    mtime: stat.mtime,
    ctime: stat.ctime,
    blksize: stat.blksize,
    blocks: stat.blocks
   };
  },
  setattr: function(node, attr) {
   var path = NODEFS.realPath(node);
   try {
    if (attr.mode !== undefined) {
     fs.chmodSync(path, attr.mode);
     node.mode = attr.mode;
    }
    if (attr.timestamp !== undefined) {
     var date = new Date(attr.timestamp);
     fs.utimesSync(path, date, date);
    }
    if (attr.size !== undefined) {
     fs.truncateSync(path, attr.size);
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  lookup: function(parent, name) {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   var mode = NODEFS.getMode(path);
   return NODEFS.createNode(parent, name, mode);
  },
  mknod: function(parent, name, mode, dev) {
   var node = NODEFS.createNode(parent, name, mode, dev);
   var path = NODEFS.realPath(node);
   try {
    if (FS.isDir(node.mode)) {
     fs.mkdirSync(path, node.mode);
    } else {
     fs.writeFileSync(path, "", {
      mode: node.mode
     });
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
   return node;
  },
  rename: function(oldNode, newDir, newName) {
   var oldPath = NODEFS.realPath(oldNode);
   var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
   try {
    fs.renameSync(oldPath, newPath);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  unlink: function(parent, name) {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   try {
    fs.unlinkSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  rmdir: function(parent, name) {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   try {
    fs.rmdirSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  readdir: function(node) {
   var path = NODEFS.realPath(node);
   try {
    return fs.readdirSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  symlink: function(parent, newName, oldPath) {
   var newPath = PATH.join2(NODEFS.realPath(parent), newName);
   try {
    fs.symlinkSync(oldPath, newPath);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  readlink: function(node) {
   var path = NODEFS.realPath(node);
   try {
    path = fs.readlinkSync(path);
    path = NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root), path);
    return path;
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  }
 },
 stream_ops: {
  open: function(stream) {
   var path = NODEFS.realPath(stream.node);
   try {
    if (FS.isFile(stream.node.mode)) {
     stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  close: function(stream) {
   try {
    if (FS.isFile(stream.node.mode) && stream.nfd) {
     fs.closeSync(stream.nfd);
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  read: function(stream, buffer, offset, length, position) {
   if (length === 0) return 0;
   try {
    return fs.readSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
   } catch (e) {
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  write: function(stream, buffer, offset, length, position) {
   try {
    return fs.writeSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
   } catch (e) {
    throw new FS.ErrnoError(ERRNO_CODES[e.code]);
   }
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     try {
      var stat = fs.fstatSync(stream.nfd);
      position += stat.size;
     } catch (e) {
      throw new FS.ErrnoError(ERRNO_CODES[e.code]);
     }
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
   }
   return position;
  }
 }
};

var WORKERFS = {
 DIR_MODE: 16895,
 FILE_MODE: 33279,
 reader: null,
 mount: function(mount) {
  assert(ENVIRONMENT_IS_WORKER);
  if (!WORKERFS.reader) WORKERFS.reader = new FileReaderSync();
  var root = WORKERFS.createNode(null, "/", WORKERFS.DIR_MODE, 0);
  var createdParents = {};
  function ensureParent(path) {
   var parts = path.split("/");
   var parent = root;
   for (var i = 0; i < parts.length - 1; i++) {
    var curr = parts.slice(0, i + 1).join("/");
    if (!createdParents[curr]) {
     createdParents[curr] = WORKERFS.createNode(parent, parts[i], WORKERFS.DIR_MODE, 0);
    }
    parent = createdParents[curr];
   }
   return parent;
  }
  function base(path) {
   var parts = path.split("/");
   return parts[parts.length - 1];
  }
  Array.prototype.forEach.call(mount.opts["files"] || [], function(file) {
   WORKERFS.createNode(ensureParent(file.name), base(file.name), WORKERFS.FILE_MODE, 0, file, file.lastModifiedDate);
  });
  (mount.opts["blobs"] || []).forEach(function(obj) {
   WORKERFS.createNode(ensureParent(obj["name"]), base(obj["name"]), WORKERFS.FILE_MODE, 0, obj["data"]);
  });
  (mount.opts["packages"] || []).forEach(function(pack) {
   pack["metadata"].files.forEach(function(file) {
    var name = file.filename.substr(1);
    WORKERFS.createNode(ensureParent(name), base(name), WORKERFS.FILE_MODE, 0, pack["blob"].slice(file.start, file.end));
   });
  });
  return root;
 },
 createNode: function(parent, name, mode, dev, contents, mtime) {
  var node = FS.createNode(parent, name, mode);
  node.mode = mode;
  node.node_ops = WORKERFS.node_ops;
  node.stream_ops = WORKERFS.stream_ops;
  node.timestamp = (mtime || new Date()).getTime();
  assert(WORKERFS.FILE_MODE !== WORKERFS.DIR_MODE);
  if (mode === WORKERFS.FILE_MODE) {
   node.size = contents.size;
   node.contents = contents;
  } else {
   node.size = 4096;
   node.contents = {};
  }
  if (parent) {
   parent.contents[name] = node;
  }
  return node;
 },
 node_ops: {
  getattr: function(node) {
   return {
    dev: 1,
    ino: undefined,
    mode: node.mode,
    nlink: 1,
    uid: 0,
    gid: 0,
    rdev: undefined,
    size: node.size,
    atime: new Date(node.timestamp),
    mtime: new Date(node.timestamp),
    ctime: new Date(node.timestamp),
    blksize: 4096,
    blocks: Math.ceil(node.size / 4096)
   };
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
  },
  lookup: function(parent, name) {
   throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
  },
  mknod: function(parent, name, mode, dev) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  },
  rename: function(oldNode, newDir, newName) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  },
  unlink: function(parent, name) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  },
  rmdir: function(parent, name) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newName, oldPath) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  },
  readlink: function(node) {
   throw new FS.ErrnoError(ERRNO_CODES.EPERM);
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   if (position >= stream.node.size) return 0;
   var chunk = stream.node.contents.slice(position, position + length);
   var ab = WORKERFS.reader.readAsArrayBuffer(chunk);
   buffer.set(new Uint8Array(ab), offset);
   return chunk.size;
  },
  write: function(stream, buffer, offset, length, position) {
   throw new FS.ErrnoError(ERRNO_CODES.EIO);
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.size;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
   }
   return position;
  }
 }
};

var FS = {
 root: null,
 mounts: [],
 devices: {},
 streams: [],
 nextInode: 1,
 nameTable: null,
 currentPath: "/",
 initialized: false,
 ignorePermissions: true,
 trackingDelegate: {},
 tracking: {
  openFlags: {
   READ: 1,
   WRITE: 2
  }
 },
 ErrnoError: null,
 genericErrors: {},
 filesystems: null,
 syncFSRequests: 0,
 handleFSError: function(e) {
  if (!(e instanceof FS.ErrnoError)) throw e + " : " + stackTrace();
  return ___setErrNo(e.errno);
 },
 lookupPath: function(path, opts) {
  path = PATH.resolve(FS.cwd(), path);
  opts = opts || {};
  if (!path) return {
   path: "",
   node: null
  };
  var defaults = {
   follow_mount: true,
   recurse_count: 0
  };
  for (var key in defaults) {
   if (opts[key] === undefined) {
    opts[key] = defaults[key];
   }
  }
  if (opts.recurse_count > 8) {
   throw new FS.ErrnoError(40);
  }
  var parts = PATH.normalizeArray(path.split("/").filter(function(p) {
   return !!p;
  }), false);
  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.resolve(PATH.dirname(current_path), link);
     var lookup = FS.lookupPath(current_path, {
      recurse_count: opts.recurse_count
     });
     current = lookup.node;
     if (count++ > 40) {
      throw new FS.ErrnoError(40);
     }
    }
   }
  }
  return {
   path: current_path,
   node: current
  };
 },
 getPath: function(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: function(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: function(node) {
  var hash = FS.hashName(node.parent.id, node.name);
  node.name_next = FS.nameTable[hash];
  FS.nameTable[hash] = node;
 },
 hashRemoveNode: function(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: function(parent, name) {
  var err = FS.mayLookup(parent);
  if (err) {
   throw new FS.ErrnoError(err, 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: function(parent, name, mode, rdev) {
  if (!FS.FSNode) {
   FS.FSNode = function(parent, name, mode, rdev) {
    if (!parent) {
     parent = this;
    }
    this.parent = parent;
    this.mount = parent.mount;
    this.mounted = null;
    this.id = FS.nextInode++;
    this.name = name;
    this.mode = mode;
    this.node_ops = {};
    this.stream_ops = {};
    this.rdev = rdev;
   };
   FS.FSNode.prototype = {};
   var readMode = 292 | 73;
   var writeMode = 146;
   Object.defineProperties(FS.FSNode.prototype, {
    read: {
     get: function() {
      return (this.mode & readMode) === readMode;
     },
     set: function(val) {
      val ? this.mode |= readMode : this.mode &= ~readMode;
     }
    },
    write: {
     get: function() {
      return (this.mode & writeMode) === writeMode;
     },
     set: function(val) {
      val ? this.mode |= writeMode : this.mode &= ~writeMode;
     }
    },
    isFolder: {
     get: function() {
      return FS.isDir(this.mode);
     }
    },
    isDevice: {
     get: function() {
      return FS.isChrdev(this.mode);
     }
    }
   });
  }
  var node = new FS.FSNode(parent, name, mode, rdev);
  FS.hashAddNode(node);
  return node;
 },
 destroyNode: function(node) {
  FS.hashRemoveNode(node);
 },
 isRoot: function(node) {
  return node === node.parent;
 },
 isMountpoint: function(node) {
  return !!node.mounted;
 },
 isFile: function(mode) {
  return (mode & 61440) === 32768;
 },
 isDir: function(mode) {
  return (mode & 61440) === 16384;
 },
 isLink: function(mode) {
  return (mode & 61440) === 40960;
 },
 isChrdev: function(mode) {
  return (mode & 61440) === 8192;
 },
 isBlkdev: function(mode) {
  return (mode & 61440) === 24576;
 },
 isFIFO: function(mode) {
  return (mode & 61440) === 4096;
 },
 isSocket: function(mode) {
  return (mode & 49152) === 49152;
 },
 flagModes: {
  "r": 0,
  "rs": 1052672,
  "r+": 2,
  "w": 577,
  "wx": 705,
  "xw": 705,
  "w+": 578,
  "wx+": 706,
  "xw+": 706,
  "a": 1089,
  "ax": 1217,
  "xa": 1217,
  "a+": 1090,
  "ax+": 1218,
  "xa+": 1218
 },
 modeStringToFlags: function(str) {
  var flags = FS.flagModes[str];
  if (typeof flags === "undefined") {
   throw new Error("Unknown file open mode: " + str);
  }
  return flags;
 },
 flagsToPermissionString: function(flag) {
  var perms = [ "r", "w", "rw" ][flag & 3];
  if (flag & 512) {
   perms += "w";
  }
  return perms;
 },
 nodePermissions: function(node, perms) {
  if (FS.ignorePermissions) {
   return 0;
  }
  if (perms.indexOf("r") !== -1 && !(node.mode & 292)) {
   return 13;
  } else if (perms.indexOf("w") !== -1 && !(node.mode & 146)) {
   return 13;
  } else if (perms.indexOf("x") !== -1 && !(node.mode & 73)) {
   return 13;
  }
  return 0;
 },
 mayLookup: function(dir) {
  var err = FS.nodePermissions(dir, "x");
  if (err) return err;
  if (!dir.node_ops.lookup) return 13;
  return 0;
 },
 mayCreate: function(dir, name) {
  try {
   var node = FS.lookupNode(dir, name);
   return 17;
  } catch (e) {}
  return FS.nodePermissions(dir, "wx");
 },
 mayDelete: function(dir, name, isdir) {
  var node;
  try {
   node = FS.lookupNode(dir, name);
  } catch (e) {
   return e.errno;
  }
  var err = FS.nodePermissions(dir, "wx");
  if (err) {
   return err;
  }
  if (isdir) {
   if (!FS.isDir(node.mode)) {
    return 20;
   }
   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
    return 16;
   }
  } else {
   if (FS.isDir(node.mode)) {
    return 21;
   }
  }
  return 0;
 },
 mayOpen: function(node, flags) {
  if (!node) {
   return 2;
  }
  if (FS.isLink(node.mode)) {
   return 40;
  } else if (FS.isDir(node.mode)) {
   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
    return 21;
   }
  }
  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
 },
 MAX_OPEN_FDS: 4096,
 nextfd: function(fd_start, fd_end) {
  fd_start = fd_start || 0;
  fd_end = fd_end || FS.MAX_OPEN_FDS;
  for (var fd = fd_start; fd <= fd_end; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(24);
 },
 getStream: function(fd) {
  return FS.streams[fd];
 },
 createStream: function(stream, fd_start, fd_end) {
  if (!FS.FSStream) {
   FS.FSStream = function() {};
   FS.FSStream.prototype = {};
   Object.defineProperties(FS.FSStream.prototype, {
    object: {
     get: function() {
      return this.node;
     },
     set: function(val) {
      this.node = val;
     }
    },
    isRead: {
     get: function() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     get: function() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     get: function() {
      return this.flags & 1024;
     }
    }
   });
  }
  var newStream = new FS.FSStream();
  for (var p in stream) {
   newStream[p] = stream[p];
  }
  stream = newStream;
  var fd = FS.nextfd(fd_start, fd_end);
  stream.fd = fd;
  FS.streams[fd] = stream;
  return stream;
 },
 closeStream: function(fd) {
  FS.streams[fd] = null;
 },
 chrdev_stream_ops: {
  open: function(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: function() {
   throw new FS.ErrnoError(29);
  }
 },
 major: function(dev) {
  return dev >> 8;
 },
 minor: function(dev) {
  return dev & 255;
 },
 makedev: function(ma, mi) {
  return ma << 8 | mi;
 },
 registerDevice: function(dev, ops) {
  FS.devices[dev] = {
   stream_ops: ops
  };
 },
 getDevice: function(dev) {
  return FS.devices[dev];
 },
 getMounts: function(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: function(populate, callback) {
  if (typeof populate === "function") {
   callback = populate;
   populate = false;
  }
  FS.syncFSRequests++;
  if (FS.syncFSRequests > 1) {
   console.log("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(err) {
   assert(FS.syncFSRequests > 0);
   FS.syncFSRequests--;
   return callback(err);
  }
  function done(err) {
   if (err) {
    if (!done.errored) {
     done.errored = true;
     return doCallback(err);
    }
    return;
   }
   if (++completed >= mounts.length) {
    doCallback(null);
   }
  }
  mounts.forEach(function(mount) {
   if (!mount.type.syncfs) {
    return done(null);
   }
   mount.type.syncfs(mount, populate, done);
  });
 },
 mount: function(type, opts, mountpoint) {
  var root = mountpoint === "/";
  var pseudo = !mountpoint;
  var node;
  if (root && FS.root) {
   throw new FS.ErrnoError(16);
  } 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(16);
   }
   if (!FS.isDir(node.mode)) {
    throw new FS.ErrnoError(20);
   }
  }
  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: function(mountpoint) {
  var lookup = FS.lookupPath(mountpoint, {
   follow_mount: false
  });
  if (!FS.isMountpoint(lookup.node)) {
   throw new FS.ErrnoError(22);
  }
  var node = lookup.node;
  var mount = node.mounted;
  var mounts = FS.getMounts(mount);
  Object.keys(FS.nameTable).forEach(function(hash) {
   var current = FS.nameTable[hash];
   while (current) {
    var next = current.name_next;
    if (mounts.indexOf(current.mount) !== -1) {
     FS.destroyNode(current);
    }
    current = next;
   }
  });
  node.mounted = null;
  var idx = node.mount.mounts.indexOf(mount);
  assert(idx !== -1);
  node.mount.mounts.splice(idx, 1);
 },
 lookup: function(parent, name) {
  return parent.node_ops.lookup(parent, name);
 },
 mknod: function(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(22);
  }
  var err = FS.mayCreate(parent, name);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  if (!parent.node_ops.mknod) {
   throw new FS.ErrnoError(1);
  }
  return parent.node_ops.mknod(parent, name, mode, dev);
 },
 create: function(path, mode) {
  mode = mode !== undefined ? mode : 438;
  mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir: function(path, mode) {
  mode = mode !== undefined ? mode : 511;
  mode &= 511 | 512;
  mode |= 16384;
  return FS.mknod(path, mode, 0);
 },
 mkdirTree: function(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 != 17) throw e;
   }
  }
 },
 mkdev: function(path, mode, dev) {
  if (typeof dev === "undefined") {
   dev = mode;
   mode = 438;
  }
  mode |= 8192;
  return FS.mknod(path, mode, dev);
 },
 symlink: function(oldpath, newpath) {
  if (!PATH.resolve(oldpath)) {
   throw new FS.ErrnoError(2);
  }
  var lookup = FS.lookupPath(newpath, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(2);
  }
  var newname = PATH.basename(newpath);
  var err = FS.mayCreate(parent, newname);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  if (!parent.node_ops.symlink) {
   throw new FS.ErrnoError(1);
  }
  return parent.node_ops.symlink(parent, newname, oldpath);
 },
 rename: function(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;
  try {
   lookup = FS.lookupPath(old_path, {
    parent: true
   });
   old_dir = lookup.node;
   lookup = FS.lookupPath(new_path, {
    parent: true
   });
   new_dir = lookup.node;
  } catch (e) {
   throw new FS.ErrnoError(16);
  }
  if (!old_dir || !new_dir) throw new FS.ErrnoError(2);
  if (old_dir.mount !== new_dir.mount) {
   throw new FS.ErrnoError(18);
  }
  var old_node = FS.lookupNode(old_dir, old_name);
  var relative = PATH.relative(old_path, new_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(22);
  }
  relative = PATH.relative(new_path, old_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(39);
  }
  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 err = FS.mayDelete(old_dir, old_name, isdir);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  err = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  if (!old_dir.node_ops.rename) {
   throw new FS.ErrnoError(1);
  }
  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
   throw new FS.ErrnoError(16);
  }
  if (new_dir !== old_dir) {
   err = FS.nodePermissions(old_dir, "w");
   if (err) {
    throw new FS.ErrnoError(err);
   }
  }
  try {
   if (FS.trackingDelegate["willMovePath"]) {
    FS.trackingDelegate["willMovePath"](old_path, new_path);
   }
  } catch (e) {
   console.log("FS.trackingDelegate['willMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
  }
  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);
  }
  try {
   if (FS.trackingDelegate["onMovePath"]) FS.trackingDelegate["onMovePath"](old_path, new_path);
  } catch (e) {
   console.log("FS.trackingDelegate['onMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
  }
 },
 rmdir: function(path) {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var err = FS.mayDelete(parent, name, true);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  if (!parent.node_ops.rmdir) {
   throw new FS.ErrnoError(1);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(16);
  }
  try {
   if (FS.trackingDelegate["willDeletePath"]) {
    FS.trackingDelegate["willDeletePath"](path);
   }
  } catch (e) {
   console.log("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
  }
  parent.node_ops.rmdir(parent, name);
  FS.destroyNode(node);
  try {
   if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
  } catch (e) {
   console.log("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
  }
 },
 readdir: function(path) {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node.node_ops.readdir) {
   throw new FS.ErrnoError(20);
  }
  return node.node_ops.readdir(node);
 },
 unlink: function(path) {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var err = FS.mayDelete(parent, name, false);
  if (err) {
   throw new FS.ErrnoError(err);
  }
  if (!parent.node_ops.unlink) {
   throw new FS.ErrnoError(1);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(16);
  }
  try {
   if (FS.trackingDelegate["willDeletePath"]) {
    FS.trackingDelegate["willDeletePath"](path);
   }
  } catch (e) {
   console.log("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
  }
  parent.node_ops.unlink(parent, name);
  FS.destroyNode(node);
  try {
   if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
  } catch (e) {
   console.log("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
  }
 },
 readlink: function(path) {
  var lookup = FS.lookupPath(path);
  var link = lookup.node;
  if (!link) {
   throw new FS.ErrnoError(2);
  }
  if (!link.node_ops.readlink) {
   throw new FS.ErrnoError(22);
  }
  return PATH.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
 },
 stat: function(path, dontFollow) {
  var lookup = FS.lookupPath(path, {
   follow: !dontFollow
  });
  var node = lookup.node;
  if (!node) {
   throw new FS.ErrnoError(2);
  }
  if (!node.node_ops.getattr) {
   throw new FS.ErrnoError(1);
  }
  return node.node_ops.getattr(node);
 },
 lstat: function(path) {
  return FS.stat(path, true);
 },
 chmod: function(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(1);
  }
  node.node_ops.setattr(node, {
   mode: mode & 4095 | node.mode & ~4095,
   timestamp: Date.now()
  });
 },
 lchmod: function(path, mode) {
  FS.chmod(path, mode, true);
 },
 fchmod: function(fd, mode) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(9);
  }
  FS.chmod(stream.node, mode);
 },
 chown: function(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(1);
  }
  node.node_ops.setattr(node, {
   timestamp: Date.now()
  });
 },
 lchown: function(path, uid, gid) {
  FS.chown(path, uid, gid, true);
 },
 fchown: function(fd, uid, gid) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(9);
  }
  FS.chown(stream.node, uid, gid);
 },
 truncate: function(path, len) {
  if (len < 0) {
   throw new FS.ErrnoError(22);
  }
  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(1);
  }
  if (FS.isDir(node.mode)) {
   throw new FS.ErrnoError(21);
  }
  if (!FS.isFile(node.mode)) {
   throw new FS.ErrnoError(22);
  }
  var err = FS.nodePermissions(node, "w");
  if (err) {
   throw new FS.ErrnoError(err);
  }
  node.node_ops.setattr(node, {
   size: len,
   timestamp: Date.now()
  });
 },
 ftruncate: function(fd, len) {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(9);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(22);
  }
  FS.truncate(stream.node, len);
 },
 utime: function(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: function(path, flags, mode, fd_start, fd_end) {
  if (path === "") {
   throw new FS.ErrnoError(2);
  }
  flags = typeof flags === "string" ? FS.modeStringToFlags(flags) : flags;
  mode = typeof mode === "undefined" ? 438 : mode;
  if (flags & 64) {
   mode = mode & 4095 | 32768;
  } else {
   mode = 0;
  }
  var node;
  if (typeof path === "object") {
   node = path;
  } else {
   path = PATH.normalize(path);
   try {
    var lookup = FS.lookupPath(path, {
     follow: !(flags & 131072)
    });
    node = lookup.node;
   } catch (e) {}
  }
  var created = false;
  if (flags & 64) {
   if (node) {
    if (flags & 128) {
     throw new FS.ErrnoError(17);
    }
   } else {
    node = FS.mknod(path, mode, 0);
    created = true;
   }
  }
  if (!node) {
   throw new FS.ErrnoError(2);
  }
  if (FS.isChrdev(node.mode)) {
   flags &= ~512;
  }
  if (flags & 65536 && !FS.isDir(node.mode)) {
   throw new FS.ErrnoError(20);
  }
  if (!created) {
   var err = FS.mayOpen(node, flags);
   if (err) {
    throw new FS.ErrnoError(err);
   }
  }
  if (flags & 512) {
   FS.truncate(node, 0);
  }
  flags &= ~(128 | 512);
  var stream = FS.createStream({
   node: node,
   path: FS.getPath(node),
   flags: flags,
   seekable: true,
   position: 0,
   stream_ops: node.stream_ops,
   ungotten: [],
   error: false
  }, fd_start, fd_end);
  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;
    console.log("FS.trackingDelegate error on read file: " + path);
   }
  }
  try {
   if (FS.trackingDelegate["onOpenFile"]) {
    var trackingFlags = 0;
    if ((flags & 2097155) !== 1) {
     trackingFlags |= FS.tracking.openFlags.READ;
    }
    if ((flags & 2097155) !== 0) {
     trackingFlags |= FS.tracking.openFlags.WRITE;
    }
    FS.trackingDelegate["onOpenFile"](path, trackingFlags);
   }
  } catch (e) {
   console.log("FS.trackingDelegate['onOpenFile']('" + path + "', flags) threw an exception: " + e.message);
  }
  return stream;
 },
 close: function(stream) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(9);
  }
  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: function(stream) {
  return stream.fd === null;
 },
 llseek: function(stream, offset, whence) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(9);
  }
  if (!stream.seekable || !stream.stream_ops.llseek) {
   throw new FS.ErrnoError(29);
  }
  if (whence != 0 && whence != 1 && whence != 2) {
   throw new FS.ErrnoError(22);
  }
  stream.position = stream.stream_ops.llseek(stream, offset, whence);
  stream.ungotten = [];
  return stream.position;
 },
 read: function(stream, buffer, offset, length, position) {
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(22);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(9);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(9);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(21);
  }
  if (!stream.stream_ops.read) {
   throw new FS.ErrnoError(22);
  }
  var seeking = typeof position !== "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(29);
  }
  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
  if (!seeking) stream.position += bytesRead;
  return bytesRead;
 },
 write: function(stream, buffer, offset, length, position, canOwn) {
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(22);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(9);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(9);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(21);
  }
  if (!stream.stream_ops.write) {
   throw new FS.ErrnoError(22);
  }
  if (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(29);
  }
  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
  if (!seeking) stream.position += bytesWritten;
  try {
   if (stream.path && FS.trackingDelegate["onWriteToFile"]) FS.trackingDelegate["onWriteToFile"](stream.path);
  } catch (e) {
   console.log("FS.trackingDelegate['onWriteToFile']('" + stream.path + "') threw an exception: " + e.message);
  }
  return bytesWritten;
 },
 allocate: function(stream, offset, length) {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(9);
  }
  if (offset < 0 || length <= 0) {
   throw new FS.ErrnoError(22);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(9);
  }
  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(19);
  }
  if (!stream.stream_ops.allocate) {
   throw new FS.ErrnoError(95);
  }
  stream.stream_ops.allocate(stream, offset, length);
 },
 mmap: function(stream, buffer, offset, length, position, prot, flags) {
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(13);
  }
  if (!stream.stream_ops.mmap) {
   throw new FS.ErrnoError(19);
  }
  return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags);
 },
 msync: function(stream, buffer, offset, length, mmapFlags) {
  if (!stream || !stream.stream_ops.msync) {
   return 0;
  }
  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
 },
 munmap: function(stream) {
  return 0;
 },
 ioctl: function(stream, cmd, arg) {
  if (!stream.stream_ops.ioctl) {
   throw new FS.ErrnoError(25);
  }
  return stream.stream_ops.ioctl(stream, cmd, arg);
 },
 readFile: function(path, opts) {
  opts = opts || {};
  opts.flags = opts.flags || "r";
  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: function(path, data, opts) {
  opts = opts || {};
  opts.flags = opts.flags || "w";
  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: function() {
  return FS.currentPath;
 },
 chdir: function(path) {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  if (lookup.node === null) {
   throw new FS.ErrnoError(2);
  }
  if (!FS.isDir(lookup.node.mode)) {
   throw new FS.ErrnoError(20);
  }
  var err = FS.nodePermissions(lookup.node, "x");
  if (err) {
   throw new FS.ErrnoError(err);
  }
  FS.currentPath = lookup.path;
 },
 createDefaultDirectories: function() {
  FS.mkdir("/tmp");
  FS.mkdir("/home");
  FS.mkdir("/home/web_user");
 },
 createDefaultDevices: function() {
  FS.mkdir("/dev");
  FS.registerDevice(FS.makedev(1, 3), {
   read: function() {
    return 0;
   },
   write: function(stream, buffer, offset, length, pos) {
    return 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 random_device;
  if (typeof crypto === "object" && typeof crypto["getRandomValues"] === "function") {
   var randomBuffer = new Uint8Array(1);
   random_device = function() {
    crypto.getRandomValues(randomBuffer);
    return randomBuffer[0];
   };
  } else if (ENVIRONMENT_IS_NODE) {
   try {
    var crypto_module = require("crypto");
    random_device = function() {
     return crypto_module["randomBytes"](1)[0];
    };
   } catch (e) {
    random_device = function() {
     return Math.random() * 256 | 0;
    };
   }
  } else {
   random_device = function() {
    abort("random_device");
   };
  }
  FS.createDevice("/dev", "random", random_device);
  FS.createDevice("/dev", "urandom", random_device);
  FS.mkdir("/dev/shm");
  FS.mkdir("/dev/shm/tmp");
 },
 createSpecialDirectories: function() {
  FS.mkdir("/proc");
  FS.mkdir("/proc/self");
  FS.mkdir("/proc/self/fd");
  FS.mount({
   mount: function() {
    var node = FS.createNode("/proc/self", "fd", 16384 | 511, 73);
    node.node_ops = {
     lookup: function(parent, name) {
      var fd = +name;
      var stream = FS.getStream(fd);
      if (!stream) throw new FS.ErrnoError(9);
      var ret = {
       parent: null,
       mount: {
        mountpoint: "fake"
       },
       node_ops: {
        readlink: function() {
         return stream.path;
        }
       }
      };
      ret.parent = ret;
      return ret;
     }
    };
    return node;
   }
  }, {}, "/proc/self/fd");
 },
 createStandardStreams: function() {
  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", "r");
  assert(stdin.fd === 0, "invalid handle for stdin (" + stdin.fd + ")");
  var stdout = FS.open("/dev/stdout", "w");
  assert(stdout.fd === 1, "invalid handle for stdout (" + stdout.fd + ")");
  var stderr = FS.open("/dev/stderr", "w");
  assert(stderr.fd === 2, "invalid handle for stderr (" + stderr.fd + ")");
 },
 ensureErrnoError: function() {
  if (FS.ErrnoError) return;
  FS.ErrnoError = function ErrnoError(errno, node) {
   this.node = node;
   this.setErrno = function(errno) {
    this.errno = errno;
   };
   this.setErrno(errno);
   this.message = "FS error";
   if (this.stack) Object.defineProperty(this, "stack", {
    value: new Error().stack,
    writable: true
   });
  };
  FS.ErrnoError.prototype = new Error();
  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
  [ 2 ].forEach(function(code) {
   FS.genericErrors[code] = new FS.ErrnoError(code);
   FS.genericErrors[code].stack = "<generic error, no stack>";
  });
 },
 staticInit: function() {
  FS.ensureErrnoError();
  FS.nameTable = new Array(4096);
  FS.mount(MEMFS, {}, "/");
  FS.createDefaultDirectories();
  FS.createDefaultDevices();
  FS.createSpecialDirectories();
  FS.filesystems = {
   "MEMFS": MEMFS,
   "IDBFS": IDBFS,
   "NODEFS": NODEFS,
   "WORKERFS": WORKERFS
  };
 },
 init: function(input, output, error) {
  assert(!FS.init.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
  FS.init.initialized = true;
  FS.ensureErrnoError();
  Module["stdin"] = input || Module["stdin"];
  Module["stdout"] = output || Module["stdout"];
  Module["stderr"] = error || Module["stderr"];
  FS.createStandardStreams();
 },
 quit: function() {
  FS.init.initialized = false;
  var fflush = Module["_fflush"];
  if (fflush) fflush(0);
  for (var i = 0; i < FS.streams.length; i++) {
   var stream = FS.streams[i];
   if (!stream) {
    continue;
   }
   FS.close(stream);
  }
 },
 getMode: function(canRead, canWrite) {
  var mode = 0;
  if (canRead) mode |= 292 | 73;
  if (canWrite) mode |= 146;
  return mode;
 },
 joinPath: function(parts, forceRelative) {
  var path = PATH.join.apply(null, parts);
  if (forceRelative && path[0] == "/") path = path.substr(1);
  return path;
 },
 absolutePath: function(relative, base) {
  return PATH.resolve(base, relative);
 },
 standardizePath: function(path) {
  return PATH.normalize(path);
 },
 findObject: function(path, dontResolveLastLink) {
  var ret = FS.analyzePath(path, dontResolveLastLink);
  if (ret.exists) {
   return ret.object;
  } else {
   ___setErrNo(ret.error);
   return null;
  }
 },
 analyzePath: function(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;
 },
 createFolder: function(parent, name, canRead, canWrite) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(canRead, canWrite);
  return FS.mkdir(path, mode);
 },
 createPath: function(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: function(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: function(parent, name, data, canRead, canWrite, canOwn) {
  var path = name ? PATH.join2(typeof parent === "string" ? parent : FS.getPath(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, "w");
   FS.write(stream, data, 0, data.length, 0, canOwn);
   FS.close(stream);
   FS.chmod(node, mode);
  }
  return node;
 },
 createDevice: function(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: function(stream) {
    stream.seekable = false;
   },
   close: function(stream) {
    if (output && output.buffer && output.buffer.length) {
     output(10);
    }
   },
   read: function(stream, buffer, offset, length, pos) {
    var bytesRead = 0;
    for (var i = 0; i < length; i++) {
     var result;
     try {
      result = input();
     } catch (e) {
      throw new FS.ErrnoError(5);
     }
     if (result === undefined && bytesRead === 0) {
      throw new FS.ErrnoError(11);
     }
     if (result === null || result === undefined) break;
     bytesRead++;
     buffer[offset + i] = result;
    }
    if (bytesRead) {
     stream.node.timestamp = Date.now();
    }
    return bytesRead;
   },
   write: function(stream, buffer, offset, length, pos) {
    for (var i = 0; i < length; i++) {
     try {
      output(buffer[offset + i]);
     } catch (e) {
      throw new FS.ErrnoError(5);
     }
    }
    if (length) {
     stream.node.timestamp = Date.now();
    }
    return i;
   }
  });
  return FS.mkdev(path, mode, dev);
 },
 createLink: function(parent, name, target, canRead, canWrite) {
  var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
  return FS.symlink(target, path);
 },
 forceLoadFile: function(obj) {
  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
  var success = 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 (Module["read"]) {
   try {
    obj.contents = intArrayFromString(Module["read"](obj.url), true);
    obj.usedBytes = obj.contents.length;
   } catch (e) {
    success = false;
   }
  } else {
   throw new Error("Cannot load without read() or XMLHttpRequest.");
  }
  if (!success) ___setErrNo(5);
  return success;
 },
 createLazyFile: function(parent, name, url, canRead, canWrite) {
  function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
   if (idx > this.length - 1 || idx < 0) {
    return undefined;
   }
   var chunkOffset = idx % this.chunkSize;
   var chunkNum = idx / this.chunkSize | 0;
   return this.getter(chunkNum)[chunkOffset];
  };
  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
   this.getter = getter;
  };
  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
   var xhr = new XMLHttpRequest();
   xhr.open("HEAD", url, false);
   xhr.send(null);
   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
   var datalength = Number(xhr.getResponseHeader("Content-length"));
   var header;
   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
   var chunkSize = 1024 * 1024;
   if (!hasByteServing) chunkSize = datalength;
   var doXHR = function(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);
    if (typeof Uint8Array != "undefined") xhr.responseType = "arraybuffer";
    if (xhr.overrideMimeType) {
     xhr.overrideMimeType("text/plain; charset=x-user-defined");
    }
    xhr.send(null);
    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
    if (xhr.response !== undefined) {
     return new Uint8Array(xhr.response || []);
    } else {
     return intArrayFromString(xhr.responseText || "", true);
    }
   };
   var lazyArray = this;
   lazyArray.setDataGetter(function(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;
    console.log("LazyFiles on gzip forces download of the whole file when length is accessed");
   }
   this._length = datalength;
   this._chunkSize = chunkSize;
   this.lengthKnown = true;
  };
  if (typeof XMLHttpRequest !== "undefined") {
   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
   var lazyArray = new LazyUint8Array();
   Object.defineProperties(lazyArray, {
    length: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._chunkSize;
     }
    }
   });
   var properties = {
    isDevice: false,
    contents: lazyArray
   };
  } else {
   var properties = {
    isDevice: false,
    url: url
   };
  }
  var node = FS.createFile(parent, name, properties, canRead, canWrite);
  if (properties.contents) {
   node.contents = properties.contents;
  } else if (properties.url) {
   node.contents = null;
   node.url = properties.url;
  }
  Object.defineProperties(node, {
   usedBytes: {
    get: function() {
     return this.contents.length;
    }
   }
  });
  var stream_ops = {};
  var keys = Object.keys(node.stream_ops);
  keys.forEach(function(key) {
   var fn = node.stream_ops[key];
   stream_ops[key] = function forceLoadLazyFile() {
    if (!FS.forceLoadFile(node)) {
     throw new FS.ErrnoError(5);
    }
    return fn.apply(null, arguments);
   };
  });
  stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
   if (!FS.forceLoadFile(node)) {
    throw new FS.ErrnoError(5);
   }
   var contents = stream.node.contents;
   if (position >= contents.length) return 0;
   var size = Math.min(contents.length - position, length);
   assert(size >= 0);
   if (contents.slice) {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents[position + i];
    }
   } else {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents.get(position + i);
    }
   }
   return size;
  };
  node.stream_ops = stream_ops;
  return node;
 },
 createPreloadedFile: function(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
  Browser.init();
  var fullname = name ? PATH.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);
   }
   var handled = false;
   Module["preloadPlugins"].forEach(function(plugin) {
    if (handled) return;
    if (plugin["canHandle"](fullname)) {
     plugin["handle"](byteArray, fullname, finish, function() {
      if (onerror) onerror();
      removeRunDependency(dep);
     });
     handled = true;
    }
   });
   if (!handled) finish(byteArray);
  }
  addRunDependency(dep);
  if (typeof url == "string") {
   Browser.asyncLoad(url, function(byteArray) {
    processData(byteArray);
   }, onerror);
  } else {
   processData(url);
  }
 },
 indexedDB: function() {
  return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
 },
 DB_NAME: function() {
  return "EM_FS_" + window.location.pathname;
 },
 DB_VERSION: 20,
 DB_STORE_NAME: "FILE_DATA",
 saveFilesToDB: function(paths, onload, onerror) {
  onload = onload || function() {};
  onerror = onerror || function() {};
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
   console.log("creating db");
   var db = openRequest.result;
   db.createObjectStore(FS.DB_STORE_NAME);
  };
  openRequest.onsuccess = function openRequest_onsuccess() {
   var db = openRequest.result;
   var transaction = db.transaction([ FS.DB_STORE_NAME ], "readwrite");
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(function(path) {
    var putRequest = files.put(FS.analyzePath(path).object.contents, path);
    putRequest.onsuccess = function putRequest_onsuccess() {
     ok++;
     if (ok + fail == total) finish();
    };
    putRequest.onerror = function putRequest_onerror() {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 },
 loadFilesFromDB: function(paths, onload, onerror) {
  onload = onload || function() {};
  onerror = onerror || function() {};
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = onerror;
  openRequest.onsuccess = function openRequest_onsuccess() {
   var db = openRequest.result;
   try {
    var transaction = db.transaction([ FS.DB_STORE_NAME ], "readonly");
   } catch (e) {
    onerror(e);
    return;
   }
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(function(path) {
    var getRequest = files.get(path);
    getRequest.onsuccess = function getRequest_onsuccess() {
     if (FS.analyzePath(path).exists) {
      FS.unlink(path);
     }
     FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
     ok++;
     if (ok + fail == total) finish();
    };
    getRequest.onerror = function getRequest_onerror() {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 }
};

function _emscripten_set_main_loop_timing(mode, value) {
 Browser.mainLoop.timingMode = mode;
 Browser.mainLoop.timingValue = value;
 if (!Browser.mainLoop.func) {
  return 1;
 }
 if (mode == 0) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
   var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
   setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
  };
  Browser.mainLoop.method = "timeout";
 } else if (mode == 1) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
   Browser.requestAnimationFrame(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "rAF";
 } else if (mode == 2) {
  if (typeof setImmediate === "undefined") {
   var setImmediates = [];
   var emscriptenMainLoopMessageId = "setimmediate";
   var Browser_setImmediate_messageHandler = function(event) {
    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
     event.stopPropagation();
     setImmediates.shift()();
    }
   };
   addEventListener("message", Browser_setImmediate_messageHandler, true);
   setImmediate = function Browser_emulated_setImmediate(func) {
    setImmediates.push(func);
    if (ENVIRONMENT_IS_WORKER) {
     if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
     Module["setImmediates"].push(func);
     postMessage({
      target: emscriptenMainLoopMessageId
     });
    } else postMessage(emscriptenMainLoopMessageId, "*");
   };
  }
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
   setImmediate(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "immediate";
 }
 return 0;
}

function _emscripten_get_now() {
 abort();
}

function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop, arg, noSetTiming) {
 Module["noExitRuntime"] = true;
 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 = func;
 Browser.mainLoop.arg = arg;
 var browserIterationFunc;
 if (typeof arg !== "undefined") {
  browserIterationFunc = function() {
   Module["dynCall_vi"](func, arg);
  };
 } else {
  browserIterationFunc = function() {
   Module["dynCall_v"](func);
  };
 }
 var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
 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;
    }
   }
   console.log('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
   Browser.mainLoop.updateStatus();
   if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
   setTimeout(Browser.mainLoop.runner, 0);
   return;
  }
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) 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();
  }
  if (Browser.mainLoop.method === "timeout" && Module.ctx) {
   err("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!");
   Browser.mainLoop.method = "";
  }
  Browser.mainLoop.runIter(browserIterationFunc);
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) 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 "SimulateInfiniteLoop";
 }
}

var Browser = {
 mainLoop: {
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  pause: function() {
   Browser.mainLoop.scheduler = null;
   Browser.mainLoop.currentlyRunningMainloop++;
  },
  resume: function() {
   Browser.mainLoop.currentlyRunningMainloop++;
   var timingMode = Browser.mainLoop.timingMode;
   var timingValue = Browser.mainLoop.timingValue;
   var func = Browser.mainLoop.func;
   Browser.mainLoop.func = null;
   _emscripten_set_main_loop(func, 0, false, Browser.mainLoop.arg, true);
   _emscripten_set_main_loop_timing(timingMode, timingValue);
   Browser.mainLoop.scheduler();
  },
  updateStatus: function() {
   if (Module["setStatus"]) {
    var message = Module["statusMessage"] || "Please wait...";
    var remaining = Browser.mainLoop.remainingBlockers;
    var expected = Browser.mainLoop.expectedBlockers;
    if (remaining) {
     if (remaining < expected) {
      Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
     } else {
      Module["setStatus"](message);
     }
    } else {
     Module["setStatus"]("");
    }
   }
  },
  runIter: function(func) {
   if (ABORT) return;
   if (Module["preMainLoop"]) {
    var preRet = Module["preMainLoop"]();
    if (preRet === false) {
     return;
    }
   }
   try {
    func();
   } catch (e) {
    if (e instanceof ExitStatus) {
     return;
    } else {
     if (e && typeof e === "object" && e.stack) err("exception thrown: " + [ e, e.stack ]);
     throw e;
    }
   }
   if (Module["postMainLoop"]) Module["postMainLoop"]();
  }
 },
 isFullscreen: false,
 pointerLock: false,
 moduleContextCreatedCallbacks: [],
 workers: [],
 init: function() {
  if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
  if (Browser.initted) return;
  Browser.initted = true;
  try {
   new Blob();
   Browser.hasBlobConstructor = true;
  } catch (e) {
   Browser.hasBlobConstructor = false;
   console.log("warning: no blob constructor, cannot create blobs with mimetypes");
  }
  Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null;
  Browser.URLObject = typeof window != "undefined" ? window.URL ? window.URL : window.webkitURL : undefined;
  if (!Module.noImageDecoding && typeof Browser.URLObject === "undefined") {
   console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
   Module.noImageDecoding = 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 = null;
   if (Browser.hasBlobConstructor) {
    try {
     b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
     if (b.size !== byteArray.length) {
      b = new Blob([ new Uint8Array(byteArray).buffer ], {
       type: Browser.getMimetype(name)
      });
     }
    } catch (e) {
     warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder");
    }
   }
   if (!b) {
    var bb = new Browser.BlobBuilder();
    bb.append(new Uint8Array(byteArray).buffer);
    b = bb.getBlob();
   }
   var url = Browser.URLObject.createObjectURL(b);
   var img = new Image();
   img.onload = function img_onload() {
    assert(img.complete, "Image " + name + " could not be decoded");
    var canvas = document.createElement("canvas");
    canvas.width = img.width;
    canvas.height = img.height;
    var ctx = canvas.getContext("2d");
    ctx.drawImage(img, 0, 0);
    Module["preloadedImages"][name] = canvas;
    Browser.URLObject.revokeObjectURL(url);
    if (onload) onload(byteArray);
   };
   img.onerror = function img_onerror(event) {
    console.log("Image " + url + " could not be decoded");
    if (onerror) onerror();
   };
   img.src = url;
  };
  Module["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;
    Module["preloadedAudios"][name] = audio;
    if (onload) onload(byteArray);
   }
   function fail() {
    if (done) return;
    done = true;
    Module["preloadedAudios"][name] = new Audio();
    if (onerror) onerror();
   }
   if (Browser.hasBlobConstructor) {
    try {
     var b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
    } catch (e) {
     return fail();
    }
    var url = Browser.URLObject.createObjectURL(b);
    var audio = new Audio();
    audio.addEventListener("canplaythrough", function() {
     finish(audio);
    }, false);
    audio.onerror = function audio_onerror(event) {
     if (done) return;
     console.log("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;
    Browser.safeSetTimeout(function() {
     finish(audio);
    }, 1e4);
   } else {
    return fail();
   }
  };
  Module["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"] || function() {};
   canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || function() {};
   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", function(ev) {
     if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
      Module["canvas"].requestPointerLock();
      ev.preventDefault();
     }
    }, false);
   }
  }
 },
 createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
  if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
  var ctx;
  var contextHandle;
  if (useWebGL) {
   var contextAttributes = {
    antialias: false,
    alpha: false,
    majorVersion: 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(function(callback) {
    callback();
   });
   Browser.init();
  }
  return ctx;
 },
 destroyContext: function(canvas, useWebGL, setInModule) {},
 fullscreenHandlersInstalled: false,
 lockPointer: undefined,
 resizeCanvas: undefined,
 requestFullscreen: function(lockPointer, resizeCanvas, vrDevice) {
  lockPointer = false;
  console.log("forcing lockPointer to false");
  Browser.lockPointer = lockPointer;
  Browser.resizeCanvas = resizeCanvas;
  Browser.vrDevice = vrDevice;
  if (typeof Browser.lockPointer === "undefined") Browser.lockPointer = false;
  if (typeof Browser.resizeCanvas === "undefined") Browser.resizeCanvas = false;
  if (typeof Browser.vrDevice === "undefined") Browser.vrDevice = null;
  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 = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function() {};
    canvas.exitFullscreen = canvas.exitFullscreen.bind(document);
    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"] ? function() {
   canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]);
  } : null) || (canvasContainer["webkitRequestFullScreen"] ? function() {
   canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]);
  } : null);
  if (vrDevice) {
   canvasContainer.requestFullscreen({
    vrDisplay: vrDevice
   });
  } else {
   canvasContainer.requestFullscreen();
  }
 },
 requestFullScreen: function(lockPointer, resizeCanvas, vrDevice) {
  err("Browser.requestFullScreen() is deprecated. Please call Browser.requestFullscreen instead.");
  Browser.requestFullScreen = function(lockPointer, resizeCanvas, vrDevice) {
   return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice);
  };
  return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice);
 },
 nextRAF: 0,
 fakeRequestAnimationFrame: function(func) {
  var now = Date.now();
  if (Browser.nextRAF === 0) {
   Browser.nextRAF = now + 1e3 / 60;
  } else {
   while (now + 2 >= Browser.nextRAF) {
    Browser.nextRAF += 1e3 / 60;
   }
  }
  var delay = Math.max(Browser.nextRAF - now, 0);
  setTimeout(func, delay);
 },
 requestAnimationFrame: function requestAnimationFrame(func) {
  if (typeof window === "undefined") {
   Browser.fakeRequestAnimationFrame(func);
  } else {
   if (!window.requestAnimationFrame) {
    window.requestAnimationFrame = window["requestAnimationFrame"] || window["mozRequestAnimationFrame"] || window["webkitRequestAnimationFrame"] || window["msRequestAnimationFrame"] || window["oRequestAnimationFrame"] || Browser.fakeRequestAnimationFrame;
   }
   window.requestAnimationFrame(func);
  }
 },
 safeCallback: function(func) {
  return function() {
   if (!ABORT) return func.apply(null, arguments);
  };
 },
 allowAsyncCallbacks: true,
 queuedAsyncCallbacks: [],
 pauseAsyncCallbacks: function() {
  Browser.allowAsyncCallbacks = false;
 },
 resumeAsyncCallbacks: function() {
  Browser.allowAsyncCallbacks = true;
  if (Browser.queuedAsyncCallbacks.length > 0) {
   var callbacks = Browser.queuedAsyncCallbacks;
   Browser.queuedAsyncCallbacks = [];
   callbacks.forEach(function(func) {
    func();
   });
  }
 },
 safeRequestAnimationFrame: function(func) {
  return Browser.requestAnimationFrame(function() {
   if (ABORT) return;
   if (Browser.allowAsyncCallbacks) {
    func();
   } else {
    Browser.queuedAsyncCallbacks.push(func);
   }
  });
 },
 safeSetTimeout: function(func, timeout) {
  Module["noExitRuntime"] = true;
  return setTimeout(function() {
   if (ABORT) return;
   if (Browser.allowAsyncCallbacks) {
    func();
   } else {
    Browser.queuedAsyncCallbacks.push(func);
   }
  }, timeout);
 },
 safeSetInterval: function(func, timeout) {
  Module["noExitRuntime"] = true;
  return setInterval(function() {
   if (ABORT) return;
   if (Browser.allowAsyncCallbacks) {
    func();
   }
  }, timeout);
 },
 getMimetype: function(name) {
  return {
   "jpg": "image/jpeg",
   "jpeg": "image/jpeg",
   "png": "image/png",
   "bmp": "image/bmp",
   "ogg": "audio/ogg",
   "wav": "audio/wav",
   "mp3": "audio/mpeg"
  }[name.substr(name.lastIndexOf(".") + 1)];
 },
 getUserMedia: function(func) {
  if (!window.getUserMedia) {
   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
  }
  window.getUserMedia(func);
 },
 getMovementX: function(event) {
  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
 },
 getMovementY: function(event) {
  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
 },
 getMouseWheelDelta: function(event) {
  var delta = 0;
  switch (event.type) {
  case "DOMMouseScroll":
   delta = event.detail;
   break;

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

  case "wheel":
   delta = event["deltaY"];
   break;

  default:
   throw "unrecognized mouse wheel event: " + event.type;
  }
  return delta;
 },
 mouseX: 0,
 mouseY: 0,
 mouseMovementX: 0,
 mouseMovementY: 0,
 touches: {},
 lastTouches: {},
 calculateMouseEvent: function(event) {
  if (Browser.pointerLock) {
   if (event.type != "mousemove" && "mozMovementX" in event) {
    Browser.mouseMovementX = Browser.mouseMovementY = 0;
   } else {
    Browser.mouseMovementX = Browser.getMovementX(event);
    Browser.mouseMovementY = Browser.getMovementY(event);
   }
   if (typeof SDL != "undefined") {
    Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
    Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
   } else {
    Browser.mouseX += Browser.mouseMovementX;
    Browser.mouseY += Browser.mouseMovementY;
   }
  } else {
   var rect = Module["canvas"].getBoundingClientRect();
   var cw = Module["canvas"].width;
   var ch = Module["canvas"].height;
   var scrollX = typeof window.scrollX !== "undefined" ? window.scrollX : window.pageXOffset;
   var scrollY = typeof window.scrollY !== "undefined" ? window.scrollY : window.pageYOffset;
   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;
  }
 },
 asyncLoad: function(url, onload, onerror, noRunDep) {
  var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
  Module["readAsync"](url, function(arrayBuffer) {
   assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
   onload(new Uint8Array(arrayBuffer));
   if (dep) removeRunDependency(dep);
  }, function(event) {
   if (onerror) {
    onerror();
   } else {
    throw 'Loading data file "' + url + '" failed.';
   }
  });
  if (dep) addRunDependency(dep);
 },
 resizeListeners: [],
 updateResizeListeners: function() {
  var canvas = Module["canvas"];
  Browser.resizeListeners.forEach(function(listener) {
   listener(canvas.width, canvas.height);
  });
 },
 setCanvasSize: function(width, height, noUpdates) {
  var canvas = Module["canvas"];
  Browser.updateCanvasDimensions(canvas, width, height);
  if (!noUpdates) Browser.updateResizeListeners();
 },
 windowedWidth: 0,
 windowedHeight: 0,
 setFullscreenCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >> 2];
   flags = flags | 8388608;
   HEAP32[SDL.screen >> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 setWindowedCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >> 2];
   flags = flags & ~8388608;
   HEAP32[SDL.screen >> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 updateCanvasDimensions: function(canvas, wNative, hNative) {
  if (wNative && hNative) {
   canvas.widthNative = wNative;
   canvas.heightNative = hNative;
  } else {
   wNative = canvas.widthNative;
   hNative = canvas.heightNative;
  }
  var w = wNative;
  var h = hNative;
  if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
   if (w / h < Module["forcedAspectRatio"]) {
    w = Math.round(h * Module["forcedAspectRatio"]);
   } else {
    h = Math.round(w / Module["forcedAspectRatio"]);
   }
  }
  if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
   var factor = Math.min(screen.width / w, screen.height / h);
   w = Math.round(w * factor);
   h = Math.round(h * factor);
  }
  if (Browser.resizeCanvas) {
   if (canvas.width != w) canvas.width = w;
   if (canvas.height != h) canvas.height = h;
   if (typeof canvas.style != "undefined") {
    canvas.style.removeProperty("width");
    canvas.style.removeProperty("height");
   }
  } else {
   if (canvas.width != wNative) canvas.width = wNative;
   if (canvas.height != hNative) canvas.height = hNative;
   if (typeof canvas.style != "undefined") {
    if (w != wNative || h != hNative) {
     canvas.style.setProperty("width", w + "px", "important");
     canvas.style.setProperty("height", h + "px", "important");
    } else {
     canvas.style.removeProperty("width");
     canvas.style.removeProperty("height");
    }
   }
  }
 },
 wgetRequests: {},
 nextWgetRequestHandle: 0,
 getNextWgetRequestHandle: function() {
  var handle = Browser.nextWgetRequestHandle;
  Browser.nextWgetRequestHandle++;
  return handle;
 }
};

function _SDL_GetTicks() {
 return Date.now() - SDL.startTime | 0;
}

function _SDL_LockSurface(surf) {
 var surfData = SDL.surfaces[surf];
 surfData.locked++;
 if (surfData.locked > 1) return 0;
 if (!surfData.buffer) {
  surfData.buffer = _malloc(surfData.width * surfData.height * 4);
  HEAP32[surf + 20 >> 2] = surfData.buffer;
 }
 HEAP32[surf + 20 >> 2] = surfData.buffer;
 if (surf == SDL.screen && Module.screenIsReadOnly && surfData.image) return 0;
 if (SDL.defaults.discardOnLock) {
  if (!surfData.image) {
   surfData.image = surfData.ctx.createImageData(surfData.width, surfData.height);
  }
  if (!SDL.defaults.opaqueFrontBuffer) return;
 } else {
  surfData.image = surfData.ctx.getImageData(0, 0, surfData.width, surfData.height);
 }
 if (surf == SDL.screen && SDL.defaults.opaqueFrontBuffer) {
  var data = surfData.image.data;
  var num = data.length;
  for (var i = 0; i < num / 4; i++) {
   data[i * 4 + 3] = 255;
  }
 }
 if (SDL.defaults.copyOnLock && !SDL.defaults.discardOnLock) {
  if (surfData.isFlagSet(2097152)) {
   throw "CopyOnLock is not supported for SDL_LockSurface with SDL_HWPALETTE flag set" + new Error().stack;
  } else {
   HEAPU8.set(surfData.image.data, surfData.buffer);
  }
 }
 return 0;
}

var SDL = {
 defaults: {
  width: 320,
  height: 200,
  copyOnLock: false,
  discardOnLock: true,
  opaqueFrontBuffer: false
 },
 version: null,
 surfaces: {},
 canvasPool: [],
 events: [],
 fonts: [ null ],
 audios: [ null ],
 rwops: [ null ],
 music: {
  audio: null,
  volume: 1
 },
 mixerFrequency: 22050,
 mixerFormat: 32784,
 mixerNumChannels: 2,
 mixerChunkSize: 1024,
 channelMinimumNumber: 0,
 GL: false,
 glAttributes: {
  0: 3,
  1: 3,
  2: 2,
  3: 0,
  4: 0,
  5: 1,
  6: 16,
  7: 0,
  8: 0,
  9: 0,
  10: 0,
  11: 0,
  12: 0,
  13: 0,
  14: 0,
  15: 1,
  16: 0,
  17: 0,
  18: 0
 },
 keyboardState: null,
 keyboardMap: {},
 canRequestFullscreen: false,
 isRequestingFullscreen: false,
 textInput: false,
 startTime: null,
 initFlags: 0,
 buttonState: 0,
 modState: 0,
 DOMButtons: [ 0, 0, 0 ],
 DOMEventToSDLEvent: {},
 TOUCH_DEFAULT_ID: 0,
 eventHandler: null,
 eventHandlerContext: null,
 eventHandlerTemp: 0,
 keyCodes: {
  16: 1249,
  17: 1248,
  18: 1250,
  20: 1081,
  33: 1099,
  34: 1102,
  35: 1101,
  36: 1098,
  37: 1104,
  38: 1106,
  39: 1103,
  40: 1105,
  44: 316,
  45: 1097,
  46: 127,
  91: 1251,
  93: 1125,
  96: 1122,
  97: 1113,
  98: 1114,
  99: 1115,
  100: 1116,
  101: 1117,
  102: 1118,
  103: 1119,
  104: 1120,
  105: 1121,
  106: 1109,
  107: 1111,
  109: 1110,
  110: 1123,
  111: 1108,
  112: 1082,
  113: 1083,
  114: 1084,
  115: 1085,
  116: 1086,
  117: 1087,
  118: 1088,
  119: 1089,
  120: 1090,
  121: 1091,
  122: 1092,
  123: 1093,
  124: 1128,
  125: 1129,
  126: 1130,
  127: 1131,
  128: 1132,
  129: 1133,
  130: 1134,
  131: 1135,
  132: 1136,
  133: 1137,
  134: 1138,
  135: 1139,
  144: 1107,
  160: 94,
  161: 33,
  162: 34,
  163: 35,
  164: 36,
  165: 37,
  166: 38,
  167: 95,
  168: 40,
  169: 41,
  170: 42,
  171: 43,
  172: 124,
  173: 45,
  174: 123,
  175: 125,
  176: 126,
  181: 127,
  182: 129,
  183: 128,
  188: 44,
  190: 46,
  191: 47,
  192: 96,
  219: 91,
  220: 92,
  221: 93,
  222: 39,
  224: 1251
 },
 scanCodes: {
  8: 42,
  9: 43,
  13: 40,
  27: 41,
  32: 44,
  35: 204,
  39: 53,
  44: 54,
  46: 55,
  47: 56,
  48: 39,
  49: 30,
  50: 31,
  51: 32,
  52: 33,
  53: 34,
  54: 35,
  55: 36,
  56: 37,
  57: 38,
  58: 203,
  59: 51,
  61: 46,
  91: 47,
  92: 49,
  93: 48,
  96: 52,
  97: 4,
  98: 5,
  99: 6,
  100: 7,
  101: 8,
  102: 9,
  103: 10,
  104: 11,
  105: 12,
  106: 13,
  107: 14,
  108: 15,
  109: 16,
  110: 17,
  111: 18,
  112: 19,
  113: 20,
  114: 21,
  115: 22,
  116: 23,
  117: 24,
  118: 25,
  119: 26,
  120: 27,
  121: 28,
  122: 29,
  127: 76,
  305: 224,
  308: 226,
  316: 70
 },
 loadRect: function(rect) {
  return {
   x: HEAP32[rect + 0 >> 2],
   y: HEAP32[rect + 4 >> 2],
   w: HEAP32[rect + 8 >> 2],
   h: HEAP32[rect + 12 >> 2]
  };
 },
 updateRect: function(rect, r) {
  HEAP32[rect >> 2] = r.x;
  HEAP32[rect + 4 >> 2] = r.y;
  HEAP32[rect + 8 >> 2] = r.w;
  HEAP32[rect + 12 >> 2] = r.h;
 },
 intersectionOfRects: function(first, second) {
  var leftX = Math.max(first.x, second.x);
  var leftY = Math.max(first.y, second.y);
  var rightX = Math.min(first.x + first.w, second.x + second.w);
  var rightY = Math.min(first.y + first.h, second.y + second.h);
  return {
   x: leftX,
   y: leftY,
   w: Math.max(leftX, rightX) - leftX,
   h: Math.max(leftY, rightY) - leftY
  };
 },
 checkPixelFormat: function(fmt) {},
 loadColorToCSSRGB: function(color) {
  var rgba = HEAP32[color >> 2];
  return "rgb(" + (rgba & 255) + "," + (rgba >> 8 & 255) + "," + (rgba >> 16 & 255) + ")";
 },
 loadColorToCSSRGBA: function(color) {
  var rgba = HEAP32[color >> 2];
  return "rgba(" + (rgba & 255) + "," + (rgba >> 8 & 255) + "," + (rgba >> 16 & 255) + "," + (rgba >> 24 & 255) / 255 + ")";
 },
 translateColorToCSSRGBA: function(rgba) {
  return "rgba(" + (rgba & 255) + "," + (rgba >> 8 & 255) + "," + (rgba >> 16 & 255) + "," + (rgba >>> 24) / 255 + ")";
 },
 translateRGBAToCSSRGBA: function(r, g, b, a) {
  return "rgba(" + (r & 255) + "," + (g & 255) + "," + (b & 255) + "," + (a & 255) / 255 + ")";
 },
 translateRGBAToColor: function(r, g, b, a) {
  return r | g << 8 | b << 16 | a << 24;
 },
 makeSurface: function(width, height, flags, usePageCanvas, source, rmask, gmask, bmask, amask) {
  flags = flags || 0;
  var is_SDL_HWSURFACE = flags & 1;
  var is_SDL_HWPALETTE = flags & 2097152;
  var is_SDL_OPENGL = flags & 67108864;
  var surf = _malloc(60);
  var pixelFormat = _malloc(44);
  var bpp = is_SDL_HWPALETTE ? 1 : 4;
  var buffer = 0;
  if (!is_SDL_HWSURFACE && !is_SDL_OPENGL) {
   buffer = _malloc(width * height * 4);
  }
  HEAP32[surf >> 2] = flags;
  HEAP32[surf + 4 >> 2] = pixelFormat;
  HEAP32[surf + 8 >> 2] = width;
  HEAP32[surf + 12 >> 2] = height;
  HEAP32[surf + 16 >> 2] = width * bpp;
  HEAP32[surf + 20 >> 2] = buffer;
  HEAP32[surf + 36 >> 2] = 0;
  HEAP32[surf + 40 >> 2] = 0;
  HEAP32[surf + 44 >> 2] = Module["canvas"].width;
  HEAP32[surf + 48 >> 2] = Module["canvas"].height;
  HEAP32[surf + 56 >> 2] = 1;
  HEAP32[pixelFormat >> 2] = -2042224636;
  HEAP32[pixelFormat + 4 >> 2] = 0;
  HEAP8[pixelFormat + 8 >> 0] = bpp * 8;
  HEAP8[pixelFormat + 9 >> 0] = bpp;
  HEAP32[pixelFormat + 12 >> 2] = rmask || 255;
  HEAP32[pixelFormat + 16 >> 2] = gmask || 65280;
  HEAP32[pixelFormat + 20 >> 2] = bmask || 16711680;
  HEAP32[pixelFormat + 24 >> 2] = amask || 4278190080;
  SDL.GL = SDL.GL || is_SDL_OPENGL;
  var canvas;
  if (!usePageCanvas) {
   if (SDL.canvasPool.length > 0) {
    canvas = SDL.canvasPool.pop();
   } else {
    canvas = document.createElement("canvas");
   }
   canvas.width = width;
   canvas.height = height;
  } else {
   canvas = Module["canvas"];
  }
  var webGLContextAttributes = {
   antialias: SDL.glAttributes[13] != 0 && SDL.glAttributes[14] > 1,
   depth: SDL.glAttributes[6] > 0,
   stencil: SDL.glAttributes[7] > 0,
   alpha: SDL.glAttributes[3] > 0
  };
  var ctx = Browser.createContext(canvas, is_SDL_OPENGL, usePageCanvas, webGLContextAttributes);
  SDL.surfaces[surf] = {
   width: width,
   height: height,
   canvas: canvas,
   ctx: ctx,
   surf: surf,
   buffer: buffer,
   pixelFormat: pixelFormat,
   alpha: 255,
   flags: flags,
   locked: 0,
   usePageCanvas: usePageCanvas,
   source: source,
   isFlagSet: function(flag) {
    return flags & flag;
   }
  };
  return surf;
 },
 copyIndexedColorData: function(surfData, rX, rY, rW, rH) {
  if (!surfData.colors) {
   return;
  }
  var fullWidth = Module["canvas"].width;
  var fullHeight = Module["canvas"].height;
  var startX = rX || 0;
  var startY = rY || 0;
  var endX = (rW || fullWidth - startX) + startX;
  var endY = (rH || fullHeight - startY) + startY;
  var buffer = surfData.buffer;
  if (!surfData.image.data32) {
   surfData.image.data32 = new Uint32Array(surfData.image.data.buffer);
  }
  var data32 = surfData.image.data32;
  var colors32 = surfData.colors32;
  for (var y = startY; y < endY; ++y) {
   var base = y * fullWidth;
   for (var x = startX; x < endX; ++x) {
    data32[base + x] = colors32[HEAPU8[buffer + base + x >> 0]];
   }
  }
 },
 freeSurface: function(surf) {
  var refcountPointer = surf + 56;
  var refcount = HEAP32[refcountPointer >> 2];
  if (refcount > 1) {
   HEAP32[refcountPointer >> 2] = refcount - 1;
   return;
  }
  var info = SDL.surfaces[surf];
  if (!info.usePageCanvas && info.canvas) SDL.canvasPool.push(info.canvas);
  if (info.buffer) _free(info.buffer);
  _free(info.pixelFormat);
  _free(surf);
  SDL.surfaces[surf] = null;
  if (surf === SDL.screen) {
   SDL.screen = null;
  }
 },
 blitSurface: function(src, srcrect, dst, dstrect, scale) {
  var srcData = SDL.surfaces[src];
  var dstData = SDL.surfaces[dst];
  var sr, dr;
  if (srcrect) {
   sr = SDL.loadRect(srcrect);
  } else {
   sr = {
    x: 0,
    y: 0,
    w: srcData.width,
    h: srcData.height
   };
  }
  if (dstrect) {
   dr = SDL.loadRect(dstrect);
  } else {
   dr = {
    x: 0,
    y: 0,
    w: srcData.width,
    h: srcData.height
   };
  }
  if (dstData.clipRect) {
   var widthScale = !scale || sr.w === 0 ? 1 : sr.w / dr.w;
   var heightScale = !scale || sr.h === 0 ? 1 : sr.h / dr.h;
   dr = SDL.intersectionOfRects(dstData.clipRect, dr);
   sr.w = dr.w * widthScale;
   sr.h = dr.h * heightScale;
   if (dstrect) {
    SDL.updateRect(dstrect, dr);
   }
  }
  var blitw, blith;
  if (scale) {
   blitw = dr.w;
   blith = dr.h;
  } else {
   blitw = sr.w;
   blith = sr.h;
  }
  if (sr.w === 0 || sr.h === 0 || blitw === 0 || blith === 0) {
   return 0;
  }
  var oldAlpha = dstData.ctx.globalAlpha;
  dstData.ctx.globalAlpha = srcData.alpha / 255;
  dstData.ctx.drawImage(srcData.canvas, sr.x, sr.y, sr.w, sr.h, dr.x, dr.y, blitw, blith);
  dstData.ctx.globalAlpha = oldAlpha;
  if (dst != SDL.screen) {
   warnOnce("WARNING: copying canvas data to memory for compatibility");
   _SDL_LockSurface(dst);
   dstData.locked--;
  }
  return 0;
 },
 downFingers: {},
 savedKeydown: null,
 receiveEvent: function(event) {
  function unpressAllPressedKeys() {
   for (var code in SDL.keyboardMap) {
    SDL.events.push({
     type: "keyup",
     keyCode: SDL.keyboardMap[code]
    });
   }
  }
  switch (event.type) {
  case "touchstart":
  case "touchmove":
   {
    event.preventDefault();
    var touches = [];
    if (event.type === "touchstart") {
     for (var i = 0; i < event.touches.length; i++) {
      var touch = event.touches[i];
      if (SDL.downFingers[touch.identifier] != true) {
       SDL.downFingers[touch.identifier] = true;
       touches.push(touch);
      }
     }
    } else {
     touches = event.touches;
    }
    var firstTouch = touches[0];
    if (firstTouch) {
     if (event.type == "touchstart") {
      SDL.DOMButtons[0] = 1;
     }
     var mouseEventType;
     switch (event.type) {
     case "touchstart":
      mouseEventType = "mousedown";
      break;

     case "touchmove":
      mouseEventType = "mousemove";
      break;
     }
     var mouseEvent = {
      type: mouseEventType,
      button: 0,
      pageX: firstTouch.clientX,
      pageY: firstTouch.clientY
     };
     SDL.events.push(mouseEvent);
    }
    for (var i = 0; i < touches.length; i++) {
     var touch = touches[i];
     SDL.events.push({
      type: event.type,
      touch: touch
     });
    }
    break;
   }

  case "touchend":
   {
    event.preventDefault();
    for (var i = 0; i < event.changedTouches.length; i++) {
     var touch = event.changedTouches[i];
     if (SDL.downFingers[touch.identifier] === true) {
      delete SDL.downFingers[touch.identifier];
     }
    }
    var mouseEvent = {
     type: "mouseup",
     button: 0,
     pageX: event.changedTouches[0].clientX,
     pageY: event.changedTouches[0].clientY
    };
    SDL.DOMButtons[0] = 0;
    SDL.events.push(mouseEvent);
    for (var i = 0; i < event.changedTouches.length; i++) {
     var touch = event.changedTouches[i];
     SDL.events.push({
      type: "touchend",
      touch: touch
     });
    }
    break;
   }

  case "DOMMouseScroll":
  case "mousewheel":
  case "wheel":
   var delta = -Browser.getMouseWheelDelta(event);
   delta = delta == 0 ? 0 : delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1);
   var button = delta > 0 ? 3 : 4;
   SDL.events.push({
    type: "mousedown",
    button: button,
    pageX: event.pageX,
    pageY: event.pageY
   });
   SDL.events.push({
    type: "mouseup",
    button: button,
    pageX: event.pageX,
    pageY: event.pageY
   });
   SDL.events.push({
    type: "wheel",
    deltaX: 0,
    deltaY: delta
   });
   event.preventDefault();
   break;

  case "mousemove":
   if (SDL.DOMButtons[0] === 1) {
    SDL.events.push({
     type: "touchmove",
     touch: {
      identifier: 0,
      deviceID: -1,
      pageX: event.pageX,
      pageY: event.pageY
     }
    });
   }
   if (Browser.pointerLock) {
    if ("mozMovementX" in event) {
     event["movementX"] = event["mozMovementX"];
     event["movementY"] = event["mozMovementY"];
    }
    if (event["movementX"] == 0 && event["movementY"] == 0) {
     event.preventDefault();
     return;
    }
   }

  case "keydown":
  case "keyup":
  case "keypress":
  case "mousedown":
  case "mouseup":
   if (event.type !== "keydown" || !SDL.unicode && !SDL.textInput || (event.keyCode === 8 || event.keyCode === 9)) {}
   if (event.type == "mousedown") {
    SDL.DOMButtons[event.button] = 1;
    SDL.events.push({
     type: "touchstart",
     touch: {
      identifier: 0,
      deviceID: -1,
      pageX: event.pageX,
      pageY: event.pageY
     }
    });
   } else if (event.type == "mouseup") {
    if (!SDL.DOMButtons[event.button]) {
     return;
    }
    SDL.events.push({
     type: "touchend",
     touch: {
      identifier: 0,
      deviceID: -1,
      pageX: event.pageX,
      pageY: event.pageY
     }
    });
    SDL.DOMButtons[event.button] = 0;
   }
   if (event.type === "keydown" || event.type === "mousedown") {
    SDL.canRequestFullscreen = true;
   } else if (event.type === "keyup" || event.type === "mouseup") {
    if (SDL.isRequestingFullscreen) {
     Module["requestFullscreen"](false, true);
     SDL.isRequestingFullscreen = false;
    }
    SDL.canRequestFullscreen = false;
   }
   if (event.type === "keypress" && SDL.savedKeydown) {
    SDL.savedKeydown.keypressCharCode = event.charCode;
    SDL.savedKeydown = null;
   } else if (event.type === "keydown") {
    SDL.savedKeydown = event;
   }
   if (event.type !== "keypress" || SDL.textInput) {
    SDL.events.push(event);
   }
   break;

  case "mouseout":
   for (var i = 0; i < 3; i++) {
    if (SDL.DOMButtons[i]) {
     SDL.events.push({
      type: "mouseup",
      button: i,
      pageX: event.pageX,
      pageY: event.pageY
     });
     SDL.DOMButtons[i] = 0;
    }
   }
   event.preventDefault();
   break;

  case "focus":
   SDL.events.push(event);
   event.preventDefault();
   break;

  case "blur":
   SDL.events.push(event);
   unpressAllPressedKeys();
   event.preventDefault();
   break;

  case "visibilitychange":
   SDL.events.push({
    type: "visibilitychange",
    visible: !document.hidden
   });
   unpressAllPressedKeys();
   event.preventDefault();
   break;

  case "unload":
   if (Browser.mainLoop.runner) {
    SDL.events.push(event);
    Browser.mainLoop.runner();
   }
   return;

  case "resize":
   SDL.events.push(event);
   if (event.preventDefault) {
    event.preventDefault();
   }
   break;
  }
  if (SDL.events.length >= 1e4) {
   err("SDL event queue full, dropping events");
   SDL.events = SDL.events.slice(0, 1e4);
  }
  SDL.flushEventsToHandler();
  return;
 },
 lookupKeyCodeForEvent: function(event) {
  var code = event.keyCode;
  if (code >= 65 && code <= 90) {
   code += 32;
  } else {
   code = SDL.keyCodes[event.keyCode] || event.keyCode;
   if (event.location === KeyboardEvent.DOM_KEY_LOCATION_RIGHT && code >= (224 | 1 << 10) && code <= (227 | 1 << 10)) {
    code += 4;
   }
  }
  return code;
 },
 handleEvent: function(event) {
  if (event.handled) return;
  event.handled = true;
  switch (event.type) {
  case "touchstart":
  case "touchend":
  case "touchmove":
   {
    Browser.calculateMouseEvent(event);
    break;
   }

  case "keydown":
  case "keyup":
   {
    var down = event.type === "keydown";
    var code = SDL.lookupKeyCodeForEvent(event);
    HEAP8[SDL.keyboardState + code >> 0] = down;
    SDL.modState = (HEAP8[SDL.keyboardState + 1248 >> 0] ? 64 : 0) | (HEAP8[SDL.keyboardState + 1249 >> 0] ? 1 : 0) | (HEAP8[SDL.keyboardState + 1250 >> 0] ? 256 : 0) | (HEAP8[SDL.keyboardState + 1252 >> 0] ? 128 : 0) | (HEAP8[SDL.keyboardState + 1253 >> 0] ? 2 : 0) | (HEAP8[SDL.keyboardState + 1254 >> 0] ? 512 : 0);
    if (down) {
     SDL.keyboardMap[code] = event.keyCode;
    } else {
     delete SDL.keyboardMap[code];
    }
    break;
   }

  case "mousedown":
  case "mouseup":
   if (event.type == "mousedown") {
    SDL.buttonState |= 1 << event.button;
   } else if (event.type == "mouseup") {
    SDL.buttonState &= ~(1 << event.button);
   }

  case "mousemove":
   {
    Browser.calculateMouseEvent(event);
    break;
   }
  }
 },
 flushEventsToHandler: function() {
  if (!SDL.eventHandler) return;
  while (SDL.pollEvent(SDL.eventHandlerTemp)) {
   Module["dynCall_iii"](SDL.eventHandler, SDL.eventHandlerContext, SDL.eventHandlerTemp);
  }
 },
 pollEvent: function(ptr) {
  if (SDL.initFlags & 512 && SDL.joystickEventState) {
   SDL.queryJoysticks();
  }
  if (ptr) {
   while (SDL.events.length > 0) {
    if (SDL.makeCEvent(SDL.events.shift(), ptr) !== false) return 1;
   }
   return 0;
  } else {
   return SDL.events.length > 0;
  }
 },
 makeCEvent: function(event, ptr) {
  if (typeof event === "number") {
   _memcpy(ptr, event, 28);
   _free(event);
   return;
  }
  SDL.handleEvent(event);
  switch (event.type) {
  case "keydown":
  case "keyup":
   {
    var down = event.type === "keydown";
    var key = SDL.lookupKeyCodeForEvent(event);
    var scan;
    if (key >= 1024) {
     scan = key - 1024;
    } else {
     scan = SDL.scanCodes[key] || key;
    }
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP8[ptr + 8 >> 0] = down ? 1 : 0;
    HEAP8[ptr + 9 >> 0] = 0;
    HEAP32[ptr + 12 >> 2] = scan;
    HEAP32[ptr + 16 >> 2] = key;
    HEAP16[ptr + 20 >> 1] = SDL.modState;
    HEAP32[ptr + 24 >> 2] = event.keypressCharCode || key;
    break;
   }

  case "keypress":
   {
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    var cStr = intArrayFromString(String.fromCharCode(event.charCode));
    for (var i = 0; i < cStr.length; ++i) {
     HEAP8[ptr + (8 + i) >> 0] = cStr[i];
    }
    break;
   }

  case "mousedown":
  case "mouseup":
  case "mousemove":
   {
    if (event.type != "mousemove") {
     var down = event.type === "mousedown";
     HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
     HEAP32[ptr + 4 >> 2] = 0;
     HEAP32[ptr + 8 >> 2] = 0;
     HEAP32[ptr + 12 >> 2] = 0;
     HEAP8[ptr + 16 >> 0] = event.button + 1;
     HEAP8[ptr + 17 >> 0] = down ? 1 : 0;
     HEAP32[ptr + 20 >> 2] = Browser.mouseX;
     HEAP32[ptr + 24 >> 2] = Browser.mouseY;
    } else {
     HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
     HEAP32[ptr + 4 >> 2] = 0;
     HEAP32[ptr + 8 >> 2] = 0;
     HEAP32[ptr + 12 >> 2] = 0;
     HEAP32[ptr + 16 >> 2] = SDL.buttonState;
     HEAP32[ptr + 20 >> 2] = Browser.mouseX;
     HEAP32[ptr + 24 >> 2] = Browser.mouseY;
     HEAP32[ptr + 28 >> 2] = Browser.mouseMovementX;
     HEAP32[ptr + 32 >> 2] = Browser.mouseMovementY;
    }
    break;
   }

  case "wheel":
   {
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 16 >> 2] = event.deltaX;
    HEAP32[ptr + 20 >> 2] = event.deltaY;
    break;
   }

  case "touchstart":
  case "touchend":
  case "touchmove":
   {
    var touch = event.touch;
    if (!Browser.touches[touch.identifier]) break;
    var w = Module["canvas"].width;
    var h = Module["canvas"].height;
    var x = Browser.touches[touch.identifier].x / w;
    var y = Browser.touches[touch.identifier].y / h;
    var lx = Browser.lastTouches[touch.identifier].x / w;
    var ly = Browser.lastTouches[touch.identifier].y / h;
    var dx = x - lx;
    var dy = y - ly;
    if (touch["deviceID"] === undefined) touch.deviceID = SDL.TOUCH_DEFAULT_ID;
    if (dx === 0 && dy === 0 && event.type === "touchmove") return false;
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 4 >> 2] = _SDL_GetTicks();
    tempI64 = [ touch.deviceID >>> 0, (tempDouble = touch.deviceID, +Math_abs(tempDouble) >= +1 ? tempDouble > +0 ? (Math_min(+Math_floor(tempDouble / +4294967296), +4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / +4294967296) >>> 0 : 0) ], 
    HEAP32[ptr + 8 >> 2] = tempI64[0], HEAP32[ptr + 12 >> 2] = tempI64[1];
    tempI64 = [ touch.identifier >>> 0, (tempDouble = touch.identifier, +Math_abs(tempDouble) >= +1 ? tempDouble > +0 ? (Math_min(+Math_floor(tempDouble / +4294967296), +4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / +4294967296) >>> 0 : 0) ], 
    HEAP32[ptr + 16 >> 2] = tempI64[0], HEAP32[ptr + 20 >> 2] = tempI64[1];
    HEAPF32[ptr + 24 >> 2] = x;
    HEAPF32[ptr + 28 >> 2] = y;
    HEAPF32[ptr + 32 >> 2] = dx;
    HEAPF32[ptr + 36 >> 2] = dy;
    if (touch.force !== undefined) {
     HEAPF32[ptr + 40 >> 2] = touch.force;
    } else {
     HEAPF32[ptr + 40 >> 2] = event.type == "touchend" ? 0 : 1;
    }
    break;
   }

  case "unload":
   {
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    break;
   }

  case "resize":
   {
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 4 >> 2] = event.w;
    HEAP32[ptr + 8 >> 2] = event.h;
    break;
   }

  case "joystick_button_up":
  case "joystick_button_down":
   {
    var state = event.type === "joystick_button_up" ? 0 : 1;
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP8[ptr + 4 >> 0] = event.index;
    HEAP8[ptr + 5 >> 0] = event.button;
    HEAP8[ptr + 6 >> 0] = state;
    break;
   }

  case "joystick_axis_motion":
   {
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP8[ptr + 4 >> 0] = event.index;
    HEAP8[ptr + 5 >> 0] = event.axis;
    HEAP32[ptr + 8 >> 2] = SDL.joystickAxisValueConversion(event.value);
    break;
   }

  case "focus":
   {
    var SDL_WINDOWEVENT_FOCUS_GAINED = 12;
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 4 >> 2] = 0;
    HEAP8[ptr + 8 >> 0] = SDL_WINDOWEVENT_FOCUS_GAINED;
    break;
   }

  case "blur":
   {
    var SDL_WINDOWEVENT_FOCUS_LOST = 13;
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 4 >> 2] = 0;
    HEAP8[ptr + 8 >> 0] = SDL_WINDOWEVENT_FOCUS_LOST;
    break;
   }

  case "visibilitychange":
   {
    var SDL_WINDOWEVENT_SHOWN = 1;
    var SDL_WINDOWEVENT_HIDDEN = 2;
    var visibilityEventID = event.visible ? SDL_WINDOWEVENT_SHOWN : SDL_WINDOWEVENT_HIDDEN;
    HEAP32[ptr >> 2] = SDL.DOMEventToSDLEvent[event.type];
    HEAP32[ptr + 4 >> 2] = 0;
    HEAP8[ptr + 8 >> 0] = visibilityEventID;
    break;
   }

  default:
   throw "Unhandled SDL event: " + event.type;
  }
 },
 makeFontString: function(height, fontName) {
  if (fontName.charAt(0) != "'" && fontName.charAt(0) != '"') {
   fontName = '"' + fontName + '"';
  }
  return height + "px " + fontName + ", serif";
 },
 estimateTextWidth: function(fontData, text) {
  var h = fontData.size;
  var fontString = SDL.makeFontString(h, fontData.name);
  var tempCtx = SDL.ttfContext;
  tempCtx.save();
  tempCtx.font = fontString;
  var ret = tempCtx.measureText(text).width | 0;
  tempCtx.restore();
  return ret;
 },
 allocateChannels: function(num) {
  if (SDL.numChannels && SDL.numChannels >= num && num != 0) return;
  SDL.numChannels = num;
  SDL.channels = [];
  for (var i = 0; i < num; i++) {
   SDL.channels[i] = {
    audio: null,
    volume: 1
   };
  }
 },
 setGetVolume: function(info, volume) {
  if (!info) return 0;
  var ret = info.volume * 128;
  if (volume != -1) {
   info.volume = Math.min(Math.max(volume, 0), 128) / 128;
   if (info.audio) {
    try {
     info.audio.volume = info.volume;
     if (info.audio.webAudioGainNode) info.audio.webAudioGainNode["gain"]["value"] = info.volume;
    } catch (e) {
     err("setGetVolume failed to set audio volume: " + e);
    }
   }
  }
  return ret;
 },
 setPannerPosition: function(info, x, y, z) {
  if (!info) return;
  if (info.audio) {
   if (info.audio.webAudioPannerNode) {
    info.audio.webAudioPannerNode["setPosition"](x, y, z);
   }
  }
 },
 playWebAudio: function(audio) {
  if (!audio) return;
  if (audio.webAudioNode) return;
  if (!SDL.webAudioAvailable()) return;
  try {
   var webAudio = audio.resource.webAudio;
   audio.paused = false;
   if (!webAudio.decodedBuffer) {
    if (webAudio.onDecodeComplete === undefined) abort("Cannot play back audio object that was not loaded");
    webAudio.onDecodeComplete.push(function() {
     if (!audio.paused) SDL.playWebAudio(audio);
    });
    return;
   }
   audio.webAudioNode = SDL.audioContext["createBufferSource"]();
   audio.webAudioNode["buffer"] = webAudio.decodedBuffer;
   audio.webAudioNode["loop"] = audio.loop;
   audio.webAudioNode["onended"] = function() {
    audio["onended"]();
   };
   audio.webAudioPannerNode = SDL.audioContext["createPanner"]();
   audio.webAudioPannerNode["setPosition"](0, 0, -.5);
   audio.webAudioPannerNode["panningModel"] = "equalpower";
   audio.webAudioGainNode = SDL.audioContext["createGain"]();
   audio.webAudioGainNode["gain"]["value"] = audio.volume;
   audio.webAudioNode["connect"](audio.webAudioPannerNode);
   audio.webAudioPannerNode["connect"](audio.webAudioGainNode);
   audio.webAudioGainNode["connect"](SDL.audioContext["destination"]);
   audio.webAudioNode["start"](0, audio.currentPosition);
   audio.startTime = SDL.audioContext["currentTime"] - audio.currentPosition;
  } catch (e) {
   err("playWebAudio failed: " + e);
  }
 },
 pauseWebAudio: function(audio) {
  if (!audio) return;
  if (audio.webAudioNode) {
   try {
    audio.currentPosition = (SDL.audioContext["currentTime"] - audio.startTime) % audio.resource.webAudio.decodedBuffer.duration;
    audio.webAudioNode["onended"] = undefined;
    audio.webAudioNode.stop(0);
    audio.webAudioNode = undefined;
   } catch (e) {
    err("pauseWebAudio failed: " + e);
   }
  }
  audio.paused = true;
 },
 openAudioContext: function() {
  if (!SDL.audioContext) {
   if (typeof AudioContext !== "undefined") SDL.audioContext = new AudioContext(); else if (typeof webkitAudioContext !== "undefined") SDL.audioContext = new webkitAudioContext();
  }
 },
 webAudioAvailable: function() {
  return !!SDL.audioContext;
 },
 fillWebAudioBufferFromHeap: function(heapPtr, sizeSamplesPerChannel, dstAudioBuffer) {
  var numChannels = SDL.audio.channels;
  for (var c = 0; c < numChannels; ++c) {
   var channelData = dstAudioBuffer["getChannelData"](c);
   if (channelData.length != sizeSamplesPerChannel) {
    throw "Web Audio output buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + sizeSamplesPerChannel + " samples!";
   }
   if (SDL.audio.format == 32784) {
    for (var j = 0; j < sizeSamplesPerChannel; ++j) {
     channelData[j] = HEAP16[heapPtr + (j * numChannels + c) * 2 >> 1] / 32768;
    }
   } else if (SDL.audio.format == 8) {
    for (var j = 0; j < sizeSamplesPerChannel; ++j) {
     var v = HEAP8[heapPtr + (j * numChannels + c) >> 0];
     channelData[j] = (v >= 0 ? v - 128 : v + 128) / 128;
    }
   } else if (SDL.audio.format == 33056) {
    for (var j = 0; j < sizeSamplesPerChannel; ++j) {
     channelData[j] = HEAPF32[heapPtr + (j * numChannels + c) * 4 >> 2];
    }
   } else {
    throw "Invalid SDL audio format " + SDL.audio.format + "!";
   }
  }
 },
 debugSurface: function(surfData) {
  console.log("dumping surface " + [ surfData.surf, surfData.source, surfData.width, surfData.height ]);
  var image = surfData.ctx.getImageData(0, 0, surfData.width, surfData.height);
  var data = image.data;
  var num = Math.min(surfData.width, surfData.height);
  for (var i = 0; i < num; i++) {
   console.log("   diagonal " + i + ":" + [ data[i * surfData.width * 4 + i * 4 + 0], data[i * surfData.width * 4 + i * 4 + 1], data[i * surfData.width * 4 + i * 4 + 2], data[i * surfData.width * 4 + i * 4 + 3] ]);
  }
 },
 joystickEventState: 1,
 lastJoystickState: {},
 joystickNamePool: {},
 recordJoystickState: function(joystick, state) {
  var buttons = new Array(state.buttons.length);
  for (var i = 0; i < state.buttons.length; i++) {
   buttons[i] = SDL.getJoystickButtonState(state.buttons[i]);
  }
  SDL.lastJoystickState[joystick] = {
   buttons: buttons,
   axes: state.axes.slice(0),
   timestamp: state.timestamp,
   index: state.index,
   id: state.id
  };
 },
 getJoystickButtonState: function(button) {
  if (typeof button === "object") {
   return button["pressed"];
  } else {
   return button > 0;
  }
 },
 queryJoysticks: function() {
  for (var joystick in SDL.lastJoystickState) {
   var state = SDL.getGamepad(joystick - 1);
   var prevState = SDL.lastJoystickState[joystick];
   if (typeof state === "undefined") return;
   if (state === null) return;
   if (typeof state.timestamp !== "number" || state.timestamp !== prevState.timestamp || !state.timestamp) {
    var i;
    for (i = 0; i < state.buttons.length; i++) {
     var buttonState = SDL.getJoystickButtonState(state.buttons[i]);
     if (buttonState !== prevState.buttons[i]) {
      SDL.events.push({
       type: buttonState ? "joystick_button_down" : "joystick_button_up",
       joystick: joystick,
       index: joystick - 1,
       button: i
      });
     }
    }
    for (i = 0; i < state.axes.length; i++) {
     if (state.axes[i] !== prevState.axes[i]) {
      SDL.events.push({
       type: "joystick_axis_motion",
       joystick: joystick,
       index: joystick - 1,
       axis: i,
       value: state.axes[i]
      });
     }
    }
    SDL.recordJoystickState(joystick, state);
   }
  }
 },
 joystickAxisValueConversion: function(value) {
  value = Math.min(1, Math.max(value, -1));
  return Math.ceil((value + 1) * 32767.5 - 32768);
 },
 getGamepads: function() {
  var fcn = navigator.getGamepads || navigator.webkitGamepads || navigator.mozGamepads || navigator.gamepads || navigator.webkitGetGamepads;
  if (fcn !== undefined) {
   return fcn.apply(navigator);
  } else {
   return [];
  }
 },
 getGamepad: function(deviceIndex) {
  var gamepads = SDL.getGamepads();
  if (gamepads.length > deviceIndex && deviceIndex >= 0) {
   return gamepads[deviceIndex];
  }
  return null;
 }
};

function _SDL_ClearError() {}

function _SDL_GetError() {
 if (!SDL.errorMessage) {
  SDL.errorMessage = allocate(intArrayFromString("unknown SDL-emscripten error"), "i8", ALLOC_NORMAL);
 }
 return SDL.errorMessage;
}

function _SDL_GetModState() {
 return SDL.modState;
}

function _SDL_GetMouseState(x, y) {
 if (x) HEAP32[x >> 2] = Browser.mouseX;
 if (y) HEAP32[y >> 2] = Browser.mouseY;
 return SDL.buttonState;
}

function _SDL_GetWindowSize(window, width, height) {
 var w = Module["canvas"].width;
 var h = Module["canvas"].height;
 if (width) HEAP32[width >> 2] = w;
 if (height) HEAP32[height >> 2] = h;
}

function _SDL_Init(initFlags) {
 SDL.startTime = Date.now();
 SDL.initFlags = initFlags;
 if (!Module["doNotCaptureKeyboard"]) {
  var keyboardListeningElement = Module["keyboardListeningElement"] || document;
  keyboardListeningElement.addEventListener("keydown", SDL.receiveEvent);
  keyboardListeningElement.addEventListener("keyup", SDL.receiveEvent);
  keyboardListeningElement.addEventListener("keypress", SDL.receiveEvent);
  window.addEventListener("focus", SDL.receiveEvent);
  window.addEventListener("blur", SDL.receiveEvent);
  document.addEventListener("visibilitychange", SDL.receiveEvent);
 }
 window.addEventListener("unload", SDL.receiveEvent);
 SDL.keyboardState = _malloc(65536);
 _memset(SDL.keyboardState, 0, 65536);
 SDL.DOMEventToSDLEvent["keydown"] = 768;
 SDL.DOMEventToSDLEvent["keyup"] = 769;
 SDL.DOMEventToSDLEvent["keypress"] = 771;
 SDL.DOMEventToSDLEvent["mousedown"] = 1025;
 SDL.DOMEventToSDLEvent["mouseup"] = 1026;
 SDL.DOMEventToSDLEvent["mousemove"] = 1024;
 SDL.DOMEventToSDLEvent["wheel"] = 1027;
 SDL.DOMEventToSDLEvent["touchstart"] = 1792;
 SDL.DOMEventToSDLEvent["touchend"] = 1793;
 SDL.DOMEventToSDLEvent["touchmove"] = 1794;
 SDL.DOMEventToSDLEvent["unload"] = 256;
 SDL.DOMEventToSDLEvent["resize"] = 28673;
 SDL.DOMEventToSDLEvent["visibilitychange"] = 512;
 SDL.DOMEventToSDLEvent["focus"] = 512;
 SDL.DOMEventToSDLEvent["blur"] = 512;
 SDL.DOMEventToSDLEvent["joystick_axis_motion"] = 1536;
 SDL.DOMEventToSDLEvent["joystick_button_down"] = 1539;
 SDL.DOMEventToSDLEvent["joystick_button_up"] = 1540;
 return 0;
}

function _SDL_LockAudio() {}

function _SDL_PollEvent(ptr) {
 return SDL.pollEvent(ptr);
}

var GL = {
 counter: 1,
 lastError: 0,
 buffers: [],
 mappedBuffers: {},
 programs: [],
 framebuffers: [],
 renderbuffers: [],
 textures: [],
 uniforms: [],
 shaders: [],
 vaos: [],
 contexts: {},
 currentContext: null,
 offscreenCanvases: {},
 timerQueriesEXT: [],
 programInfos: {},
 stringCache: {},
 unpackAlignment: 4,
 init: function() {
  GL.miniTempBuffer = new Float32Array(GL.MINI_TEMP_BUFFER_SIZE);
  for (var i = 0; i < GL.MINI_TEMP_BUFFER_SIZE; i++) {
   GL.miniTempBufferViews[i] = GL.miniTempBuffer.subarray(0, i + 1);
  }
 },
 recordError: function recordError(errorCode) {
  if (!GL.lastError) {
   GL.lastError = errorCode;
  }
 },
 getNewId: function(table) {
  var ret = GL.counter++;
  for (var i = table.length; i < ret; i++) {
   table[i] = null;
  }
  return ret;
 },
 MINI_TEMP_BUFFER_SIZE: 256,
 miniTempBuffer: null,
 miniTempBufferViews: [ 0 ],
 getSource: function(shader, count, string, length) {
  var source = "";
  for (var i = 0; i < count; ++i) {
   var len = length ? HEAP32[length + i * 4 >> 2] : -1;
   source += UTF8ToString(HEAP32[string + i * 4 >> 2], len < 0 ? undefined : len);
  }
  return source;
 },
 createContext: function(canvas, webGLContextAttributes) {
  var ctx = canvas.getContext("webgl", webGLContextAttributes) || canvas.getContext("experimental-webgl", webGLContextAttributes);
  return ctx && GL.registerContext(ctx, webGLContextAttributes);
 },
 registerContext: function(ctx, webGLContextAttributes) {
  var handle = _malloc(8);
  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: function(contextHandle) {
  GL.currentContext = GL.contexts[contextHandle];
  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
  return !(contextHandle && !GLctx);
 },
 getContext: function(contextHandle) {
  return GL.contexts[contextHandle];
 },
 deleteContext: function(contextHandle) {
  if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
  if (typeof JSEvents === "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
  if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
  _free(GL.contexts[contextHandle]);
  GL.contexts[contextHandle] = null;
 },
 initExtensions: function(context) {
  if (!context) context = GL.currentContext;
  if (context.initExtensionsDone) return;
  context.initExtensionsDone = true;
  var GLctx = context.GLctx;
  if (context.version < 2) {
   var instancedArraysExt = GLctx.getExtension("ANGLE_instanced_arrays");
   if (instancedArraysExt) {
    GLctx["vertexAttribDivisor"] = function(index, divisor) {
     instancedArraysExt["vertexAttribDivisorANGLE"](index, divisor);
    };
    GLctx["drawArraysInstanced"] = function(mode, first, count, primcount) {
     instancedArraysExt["drawArraysInstancedANGLE"](mode, first, count, primcount);
    };
    GLctx["drawElementsInstanced"] = function(mode, count, type, indices, primcount) {
     instancedArraysExt["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
    };
   }
   var vaoExt = GLctx.getExtension("OES_vertex_array_object");
   if (vaoExt) {
    GLctx["createVertexArray"] = function() {
     return vaoExt["createVertexArrayOES"]();
    };
    GLctx["deleteVertexArray"] = function(vao) {
     vaoExt["deleteVertexArrayOES"](vao);
    };
    GLctx["bindVertexArray"] = function(vao) {
     vaoExt["bindVertexArrayOES"](vao);
    };
    GLctx["isVertexArray"] = function(vao) {
     return vaoExt["isVertexArrayOES"](vao);
    };
   }
   var drawBuffersExt = GLctx.getExtension("WEBGL_draw_buffers");
   if (drawBuffersExt) {
    GLctx["drawBuffers"] = function(n, bufs) {
     drawBuffersExt["drawBuffersWEBGL"](n, bufs);
    };
   }
  }
  GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
  var automaticallyEnabledExtensions = [ "OES_texture_float", "OES_texture_half_float", "OES_standard_derivatives", "OES_vertex_array_object", "WEBGL_compressed_texture_s3tc", "WEBGL_depth_texture", "OES_element_index_uint", "EXT_texture_filter_anisotropic", "EXT_frag_depth", "WEBGL_draw_buffers", "ANGLE_instanced_arrays", "OES_texture_float_linear", "OES_texture_half_float_linear", "EXT_blend_minmax", "EXT_shader_texture_lod", "WEBGL_compressed_texture_pvrtc", "EXT_color_buffer_half_float", "WEBGL_color_buffer_float", "EXT_sRGB", "WEBGL_compressed_texture_etc1", "EXT_disjoint_timer_query", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_astc", "EXT_color_buffer_float", "WEBGL_compressed_texture_s3tc_srgb", "EXT_disjoint_timer_query_webgl2" ];
  var exts = GLctx.getSupportedExtensions();
  if (exts && exts.length > 0) {
   GLctx.getSupportedExtensions().forEach(function(ext) {
    if (automaticallyEnabledExtensions.indexOf(ext) != -1) {
     GLctx.getExtension(ext);
    }
   });
  }
 },
 populateUniformTable: function(program) {
  var p = GL.programs[program];
  var ptable = GL.programInfos[program] = {
   uniforms: {},
   maxUniformLength: 0,
   maxAttributeLength: -1,
   maxUniformBlockNameLength: -1
  };
  var utable = ptable.uniforms;
  var numUniforms = GLctx.getProgramParameter(p, 35718);
  for (var i = 0; i < numUniforms; ++i) {
   var u = GLctx.getActiveUniform(p, i);
   var name = u.name;
   ptable.maxUniformLength = Math.max(ptable.maxUniformLength, name.length + 1);
   var ls = name.lastIndexOf("[");
   if (ls > 0) {
    name = name.slice(0, ls);
   }
   var loc = GLctx.getUniformLocation(p, name);
   if (loc) {
    var id = GL.getNewId(GL.uniforms);
    utable[name] = [ u.size, id ];
    GL.uniforms[id] = loc;
    for (var j = 1; j < u.size; ++j) {
     var n = name + "[" + j + "]";
     loc = GLctx.getUniformLocation(p, n);
     id = GL.getNewId(GL.uniforms);
     GL.uniforms[id] = loc;
    }
   }
  }
 }
};

function _SDL_SetVideoMode(width, height, depth, flags) {
 [ "touchstart", "touchend", "touchmove", "mousedown", "mouseup", "mousemove", "DOMMouseScroll", "mousewheel", "wheel", "mouseout" ].forEach(function(event) {
  Module["canvas"].addEventListener(event, SDL.receiveEvent, true);
 });
 var canvas = Module["canvas"];
 if (width == 0 && height == 0) {
  width = canvas.width;
  height = canvas.height;
 }
 if (!SDL.addedResizeListener) {
  SDL.addedResizeListener = true;
  Browser.resizeListeners.push(function(w, h) {
   if (!SDL.settingVideoMode) {
    SDL.receiveEvent({
     type: "resize",
     w: w,
     h: h
    });
   }
  });
 }
 SDL.settingVideoMode = true;
 Browser.setCanvasSize(width, height);
 SDL.settingVideoMode = false;
 if (SDL.screen) {
  SDL.freeSurface(SDL.screen);
  assert(!SDL.screen);
 }
 if (SDL.GL) flags = flags | 67108864;
 SDL.screen = SDL.makeSurface(width, height, flags, true, "screen");
 return SDL.screen;
}

function _SDL_UnlockAudio() {}

function _SDL_UnlockSurface(surf) {
 assert(!SDL.GL);
 var surfData = SDL.surfaces[surf];
 if (!surfData.locked || --surfData.locked > 0) {
  return;
 }
 if (surfData.isFlagSet(2097152)) {
  SDL.copyIndexedColorData(surfData);
 } else if (!surfData.colors) {
  var data = surfData.image.data;
  var buffer = surfData.buffer;
  assert(buffer % 4 == 0, "Invalid buffer offset: " + buffer);
  var src = buffer >> 2;
  var dst = 0;
  var isScreen = surf == SDL.screen;
  var num;
  if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
   num = data.length;
   while (dst < num) {
    var val = HEAP32[src];
    data[dst] = val & 255;
    data[dst + 1] = val >> 8 & 255;
    data[dst + 2] = val >> 16 & 255;
    data[dst + 3] = isScreen ? 255 : val >> 24 & 255;
    src++;
    dst += 4;
   }
  } else {
   var data32 = new Uint32Array(data.buffer);
   if (isScreen && SDL.defaults.opaqueFrontBuffer) {
    num = data32.length;
    data32.set(HEAP32.subarray(src, src + num));
    var data8 = new Uint8Array(data.buffer);
    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;
     }
    }
   } else {
    data32.set(HEAP32.subarray(src, src + data32.length));
   }
  }
 } else {
  var width = Module["canvas"].width;
  var height = Module["canvas"].height;
  var s = surfData.buffer;
  var data = surfData.image.data;
  var colors = surfData.colors;
  for (var y = 0; y < height; y++) {
   var base = y * width * 4;
   for (var x = 0; x < width; x++) {
    var val = HEAPU8[s++ >> 0] * 4;
    var start = base + x * 4;
    data[start] = colors[val];
    data[start + 1] = colors[val + 1];
    data[start + 2] = colors[val + 2];
   }
   s += width * 3;
  }
 }
 surfData.ctx.putImageData(surfData.image, 0, 0);
}

var ENV = {};

function ___buildEnvironment(environ) {
 var MAX_ENV_VALUES = 64;
 var TOTAL_ENV_SIZE = 1024;
 var poolPtr;
 var envPtr;
 if (!___buildEnvironment.called) {
  ___buildEnvironment.called = true;
  ENV["USER"] = ENV["LOGNAME"] = "web_user";
  ENV["PATH"] = "/";
  ENV["PWD"] = "/";
  ENV["HOME"] = "/home/web_user";
  ENV["LANG"] = "C.UTF-8";
  ENV["_"] = Module["thisProgram"];
  poolPtr = getMemory(TOTAL_ENV_SIZE);
  envPtr = getMemory(MAX_ENV_VALUES * 4);
  HEAP32[envPtr >> 2] = poolPtr;
  HEAP32[environ >> 2] = envPtr;
 } else {
  envPtr = HEAP32[environ >> 2];
  poolPtr = HEAP32[envPtr >> 2];
 }
 var strings = [];
 var totalSize = 0;
 for (var key in ENV) {
  if (typeof ENV[key] === "string") {
   var line = key + "=" + ENV[key];
   strings.push(line);
   totalSize += line.length;
  }
 }
 if (totalSize > TOTAL_ENV_SIZE) {
  throw new Error("Environment size exceeded TOTAL_ENV_SIZE!");
 }
 var ptrSize = 4;
 for (var i = 0; i < strings.length; i++) {
  var line = strings[i];
  writeAsciiToMemory(line, poolPtr);
  HEAP32[envPtr + i * ptrSize >> 2] = poolPtr;
  poolPtr += line.length + 1;
 }
 HEAP32[envPtr + strings.length * ptrSize >> 2] = 0;
}

function ___lock() {}

var ERRNO_CODES = {
 EPERM: 1,
 ENOENT: 2,
 ESRCH: 3,
 EINTR: 4,
 EIO: 5,
 ENXIO: 6,
 E2BIG: 7,
 ENOEXEC: 8,
 EBADF: 9,
 ECHILD: 10,
 EAGAIN: 11,
 EWOULDBLOCK: 11,
 ENOMEM: 12,
 EACCES: 13,
 EFAULT: 14,
 ENOTBLK: 15,
 EBUSY: 16,
 EEXIST: 17,
 EXDEV: 18,
 ENODEV: 19,
 ENOTDIR: 20,
 EISDIR: 21,
 EINVAL: 22,
 ENFILE: 23,
 EMFILE: 24,
 ENOTTY: 25,
 ETXTBSY: 26,
 EFBIG: 27,
 ENOSPC: 28,
 ESPIPE: 29,
 EROFS: 30,
 EMLINK: 31,
 EPIPE: 32,
 EDOM: 33,
 ERANGE: 34,
 ENOMSG: 42,
 EIDRM: 43,
 ECHRNG: 44,
 EL2NSYNC: 45,
 EL3HLT: 46,
 EL3RST: 47,
 ELNRNG: 48,
 EUNATCH: 49,
 ENOCSI: 50,
 EL2HLT: 51,
 EDEADLK: 35,
 ENOLCK: 37,
 EBADE: 52,
 EBADR: 53,
 EXFULL: 54,
 ENOANO: 55,
 EBADRQC: 56,
 EBADSLT: 57,
 EDEADLOCK: 35,
 EBFONT: 59,
 ENOSTR: 60,
 ENODATA: 61,
 ETIME: 62,
 ENOSR: 63,
 ENONET: 64,
 ENOPKG: 65,
 EREMOTE: 66,
 ENOLINK: 67,
 EADV: 68,
 ESRMNT: 69,
 ECOMM: 70,
 EPROTO: 71,
 EMULTIHOP: 72,
 EDOTDOT: 73,
 EBADMSG: 74,
 ENOTUNIQ: 76,
 EBADFD: 77,
 EREMCHG: 78,
 ELIBACC: 79,
 ELIBBAD: 80,
 ELIBSCN: 81,
 ELIBMAX: 82,
 ELIBEXEC: 83,
 ENOSYS: 38,
 ENOTEMPTY: 39,
 ENAMETOOLONG: 36,
 ELOOP: 40,
 EOPNOTSUPP: 95,
 EPFNOSUPPORT: 96,
 ECONNRESET: 104,
 ENOBUFS: 105,
 EAFNOSUPPORT: 97,
 EPROTOTYPE: 91,
 ENOTSOCK: 88,
 ENOPROTOOPT: 92,
 ESHUTDOWN: 108,
 ECONNREFUSED: 111,
 EADDRINUSE: 98,
 ECONNABORTED: 103,
 ENETUNREACH: 101,
 ENETDOWN: 100,
 ETIMEDOUT: 110,
 EHOSTDOWN: 112,
 EHOSTUNREACH: 113,
 EINPROGRESS: 115,
 EALREADY: 114,
 EDESTADDRREQ: 89,
 EMSGSIZE: 90,
 EPROTONOSUPPORT: 93,
 ESOCKTNOSUPPORT: 94,
 EADDRNOTAVAIL: 99,
 ENETRESET: 102,
 EISCONN: 106,
 ENOTCONN: 107,
 ETOOMANYREFS: 109,
 EUSERS: 87,
 EDQUOT: 122,
 ESTALE: 116,
 ENOTSUP: 95,
 ENOMEDIUM: 123,
 EILSEQ: 84,
 EOVERFLOW: 75,
 ECANCELED: 125,
 ENOTRECOVERABLE: 131,
 EOWNERDEAD: 130,
 ESTRPIPE: 86
};

var SYSCALLS = {
 DEFAULT_POLLMASK: 5,
 mappings: {},
 umask: 511,
 calculateAt: function(dirfd, path) {
  if (path[0] !== "/") {
   var dir;
   if (dirfd === -100) {
    dir = FS.cwd();
   } else {
    var dirstream = FS.getStream(dirfd);
    if (!dirstream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
    dir = dirstream.path;
   }
   path = PATH.join2(dir, path);
  }
  return path;
 },
 doStat: function(func, path, buf) {
  try {
   var stat = func(path);
  } catch (e) {
   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
    return -ERRNO_CODES.ENOTDIR;
   }
   throw e;
  }
  HEAP32[buf >> 2] = stat.dev;
  HEAP32[buf + 4 >> 2] = 0;
  HEAP32[buf + 8 >> 2] = stat.ino;
  HEAP32[buf + 12 >> 2] = stat.mode;
  HEAP32[buf + 16 >> 2] = stat.nlink;
  HEAP32[buf + 20 >> 2] = stat.uid;
  HEAP32[buf + 24 >> 2] = stat.gid;
  HEAP32[buf + 28 >> 2] = stat.rdev;
  HEAP32[buf + 32 >> 2] = 0;
  HEAP32[buf + 36 >> 2] = stat.size;
  HEAP32[buf + 40 >> 2] = 4096;
  HEAP32[buf + 44 >> 2] = stat.blocks;
  HEAP32[buf + 48 >> 2] = stat.atime.getTime() / 1e3 | 0;
  HEAP32[buf + 52 >> 2] = 0;
  HEAP32[buf + 56 >> 2] = stat.mtime.getTime() / 1e3 | 0;
  HEAP32[buf + 60 >> 2] = 0;
  HEAP32[buf + 64 >> 2] = stat.ctime.getTime() / 1e3 | 0;
  HEAP32[buf + 68 >> 2] = 0;
  HEAP32[buf + 72 >> 2] = stat.ino;
  return 0;
 },
 doMsync: function(addr, stream, len, flags) {
  var buffer = new Uint8Array(HEAPU8.subarray(addr, addr + len));
  FS.msync(stream, buffer, 0, len, flags);
 },
 doMkdir: function(path, mode) {
  path = PATH.normalize(path);
  if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
  FS.mkdir(path, mode, 0);
  return 0;
 },
 doMknod: function(path, mode, dev) {
  switch (mode & 61440) {
  case 32768:
  case 8192:
  case 24576:
  case 4096:
  case 49152:
   break;

  default:
   return -ERRNO_CODES.EINVAL;
  }
  FS.mknod(path, mode, dev);
  return 0;
 },
 doReadlink: function(path, buf, bufsize) {
  if (bufsize <= 0) return -ERRNO_CODES.EINVAL;
  var ret = FS.readlink(path);
  var len = Math.min(bufsize, lengthBytesUTF8(ret));
  var endChar = HEAP8[buf + len];
  stringToUTF8(ret, buf, bufsize + 1);
  HEAP8[buf + len] = endChar;
  return len;
 },
 doAccess: function(path, amode) {
  if (amode & ~7) {
   return -ERRNO_CODES.EINVAL;
  }
  var node;
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  node = lookup.node;
  var perms = "";
  if (amode & 4) perms += "r";
  if (amode & 2) perms += "w";
  if (amode & 1) perms += "x";
  if (perms && FS.nodePermissions(node, perms)) {
   return -ERRNO_CODES.EACCES;
  }
  return 0;
 },
 doDup: function(path, flags, suggestFD) {
  var suggest = FS.getStream(suggestFD);
  if (suggest) FS.close(suggest);
  return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
 },
 doReadv: function(stream, iov, iovcnt, offset) {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
   var ptr = HEAP32[iov + i * 8 >> 2];
   var len = HEAP32[iov + (i * 8 + 4) >> 2];
   var curr = FS.read(stream, HEAP8, ptr, len, offset);
   if (curr < 0) return -1;
   ret += curr;
   if (curr < len) break;
  }
  return ret;
 },
 doWritev: function(stream, iov, iovcnt, offset) {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
   var ptr = HEAP32[iov + i * 8 >> 2];
   var len = HEAP32[iov + (i * 8 + 4) >> 2];
   var curr = FS.write(stream, HEAP8, ptr, len, offset);
   if (curr < 0) return -1;
   ret += curr;
  }
  return ret;
 },
 varargs: 0,
 get: function(varargs) {
  SYSCALLS.varargs += 4;
  var ret = HEAP32[SYSCALLS.varargs - 4 >> 2];
  return ret;
 },
 getStr: function() {
  var ret = UTF8ToString(SYSCALLS.get());
  return ret;
 },
 getStreamFromFD: function() {
  var stream = FS.getStream(SYSCALLS.get());
  if (!stream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
  return stream;
 },
 getSocketFromFD: function() {
  var socket = SOCKFS.getSocket(SYSCALLS.get());
  if (!socket) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
  return socket;
 },
 getSocketAddress: function(allowNull) {
  var addrp = SYSCALLS.get(), addrlen = SYSCALLS.get();
  if (allowNull && addrp === 0) return null;
  var info = __read_sockaddr(addrp, addrlen);
  if (info.errno) throw new FS.ErrnoError(info.errno);
  info.addr = DNS.lookup_addr(info.addr) || info.addr;
  return info;
 },
 get64: function() {
  var low = SYSCALLS.get(), high = SYSCALLS.get();
  return low;
 },
 getZero: function() {
  SYSCALLS.get();
 }
};

function ___syscall140(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), offset_high = SYSCALLS.get(), offset_low = SYSCALLS.get(), result = SYSCALLS.get(), whence = SYSCALLS.get();
  var offset = offset_low;
  FS.llseek(stream, offset, whence);
  HEAP32[result >> 2] = stream.position;
  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
  return 0;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall145(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
  return SYSCALLS.doReadv(stream, iov, iovcnt);
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall146(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
  return SYSCALLS.doWritev(stream, iov, iovcnt);
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall195(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var path = SYSCALLS.getStr(), buf = SYSCALLS.get();
  return SYSCALLS.doStat(FS.stat, path, buf);
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall220(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), dirp = SYSCALLS.get(), count = SYSCALLS.get();
  if (!stream.getdents) {
   stream.getdents = FS.readdir(stream.path);
  }
  var pos = 0;
  while (stream.getdents.length > 0 && pos + 268 <= count) {
   var id;
   var type;
   var name = stream.getdents.pop();
   if (name[0] === ".") {
    id = 1;
    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;
   }
   HEAP32[dirp + pos >> 2] = id;
   HEAP32[dirp + pos + 4 >> 2] = stream.position;
   HEAP16[dirp + pos + 8 >> 1] = 268;
   HEAP8[dirp + pos + 10 >> 0] = type;
   stringToUTF8(name, dirp + pos + 11, 256);
   pos += 268;
  }
  return pos;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall221(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), cmd = SYSCALLS.get();
  switch (cmd) {
  case 0:
   {
    var arg = SYSCALLS.get();
    if (arg < 0) {
     return -ERRNO_CODES.EINVAL;
    }
    var newStream;
    newStream = FS.open(stream.path, stream.flags, 0, 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 12:
   {
    var arg = SYSCALLS.get();
    var offset = 0;
    HEAP16[arg + offset >> 1] = 2;
    return 0;
   }

  case 13:
  case 14:
   return 0;

  case 16:
  case 8:
   return -ERRNO_CODES.EINVAL;

  case 9:
   ___setErrNo(ERRNO_CODES.EINVAL);
   return -1;

  default:
   {
    return -ERRNO_CODES.EINVAL;
   }
  }
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall5(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var pathname = SYSCALLS.getStr(), flags = SYSCALLS.get(), mode = SYSCALLS.get();
  var stream = FS.open(pathname, flags, mode);
  return stream.fd;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall54(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(), op = SYSCALLS.get();
  switch (op) {
  case 21509:
  case 21505:
   {
    if (!stream.tty) return -ERRNO_CODES.ENOTTY;
    return 0;
   }

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

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

  case 21520:
   {
    if (!stream.tty) return -ERRNO_CODES.ENOTTY;
    return -ERRNO_CODES.EINVAL;
   }

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

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

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

  default:
   abort("bad ioctl syscall " + op);
  }
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___syscall6(which, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD();
  FS.close(stream);
  return 0;
 } catch (e) {
  if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
  return -e.errno;
 }
}

function ___unlock() {}

function _abort() {
 Module["abort"]();
}

function _emscripten_async_wget_data(url, arg, onload, onerror) {
 Browser.asyncLoad(UTF8ToString(url), function(byteArray) {
  var buffer = _malloc(byteArray.length);
  HEAPU8.set(byteArray, buffer);
  dynCall_viii(onload, arg, buffer, byteArray.length);
  _free(buffer);
 }, function() {
  if (onerror) dynCall_vi(onerror, arg);
 }, true);
}

function _emscripten_get_heap_size() {
 return TOTAL_MEMORY;
}

function abortOnCannotGrowMemory(requestedSize) {
 abort("Cannot enlarge memory arrays to size " + requestedSize + " bytes. Either (1) compile with  -s TOTAL_MEMORY=X  with X higher than the current value " + TOTAL_MEMORY + ", (2) compile with  -s ALLOW_MEMORY_GROWTH=1  which allows increasing the size at runtime but prevents some optimizations, (3) set Module.TOTAL_MEMORY to a higher value before the program runs, or (4) if you want malloc to return NULL (0) instead of this abort, compile with  -s ABORTING_MALLOC=0 ");
}

function _emscripten_resize_heap(requestedSize) {
 abortOnCannotGrowMemory(requestedSize);
}

function _exit(status) {
 exit(status);
}

var ___tm_current = 3002128;

var ___tm_timezone = (stringToUTF8("GMT", 3002176, 4), 3002176);

function _gmtime_r(time, tmPtr) {
 var date = new Date(HEAP32[time >> 2] * 1e3);
 HEAP32[tmPtr >> 2] = date.getUTCSeconds();
 HEAP32[tmPtr + 4 >> 2] = date.getUTCMinutes();
 HEAP32[tmPtr + 8 >> 2] = date.getUTCHours();
 HEAP32[tmPtr + 12 >> 2] = date.getUTCDate();
 HEAP32[tmPtr + 16 >> 2] = date.getUTCMonth();
 HEAP32[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
 HEAP32[tmPtr + 24 >> 2] = date.getUTCDay();
 HEAP32[tmPtr + 36 >> 2] = 0;
 HEAP32[tmPtr + 32 >> 2] = 0;
 var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
 var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
 HEAP32[tmPtr + 28 >> 2] = yday;
 HEAP32[tmPtr + 40 >> 2] = ___tm_timezone;
 return tmPtr;
}

function _gmtime(time) {
 return _gmtime_r(time, ___tm_current);
}

function _tzset() {
 if (_tzset.called) return;
 _tzset.called = true;
 HEAP32[__get_timezone() >> 2] = new Date().getTimezoneOffset() * 60;
 var winter = new Date(2e3, 0, 1);
 var summer = new Date(2e3, 6, 1);
 HEAP32[__get_daylight() >> 2] = Number(winter.getTimezoneOffset() != summer.getTimezoneOffset());
 function extractZone(date) {
  var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
  return match ? match[1] : "GMT";
 }
 var winterName = extractZone(winter);
 var summerName = extractZone(summer);
 var winterNamePtr = allocate(intArrayFromString(winterName), "i8", ALLOC_NORMAL);
 var summerNamePtr = allocate(intArrayFromString(summerName), "i8", ALLOC_NORMAL);
 if (summer.getTimezoneOffset() < winter.getTimezoneOffset()) {
  HEAP32[__get_tzname() >> 2] = winterNamePtr;
  HEAP32[__get_tzname() + 4 >> 2] = summerNamePtr;
 } else {
  HEAP32[__get_tzname() >> 2] = summerNamePtr;
  HEAP32[__get_tzname() + 4 >> 2] = winterNamePtr;
 }
}

function _localtime_r(time, tmPtr) {
 _tzset();
 var date = new Date(HEAP32[time >> 2] * 1e3);
 HEAP32[tmPtr >> 2] = date.getSeconds();
 HEAP32[tmPtr + 4 >> 2] = date.getMinutes();
 HEAP32[tmPtr + 8 >> 2] = date.getHours();
 HEAP32[tmPtr + 12 >> 2] = date.getDate();
 HEAP32[tmPtr + 16 >> 2] = date.getMonth();
 HEAP32[tmPtr + 20 >> 2] = date.getFullYear() - 1900;
 HEAP32[tmPtr + 24 >> 2] = date.getDay();
 var start = new Date(date.getFullYear(), 0, 1);
 var yday = (date.getTime() - start.getTime()) / (1e3 * 60 * 60 * 24) | 0;
 HEAP32[tmPtr + 28 >> 2] = yday;
 HEAP32[tmPtr + 36 >> 2] = -(date.getTimezoneOffset() * 60);
 var summerOffset = new Date(2e3, 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
 HEAP32[tmPtr + 32 >> 2] = dst;
 var zonePtr = HEAP32[__get_tzname() + (dst ? 4 : 0) >> 2];
 HEAP32[tmPtr + 40 >> 2] = zonePtr;
 return tmPtr;
}

function _localtime(time) {
 return _localtime_r(time, ___tm_current);
}

function _longjmp(env, value) {
 _setThrew(env, value || 1);
 throw "longjmp";
}

function _emscripten_memcpy_big(dest, src, num) {
 HEAPU8.set(HEAPU8.subarray(src, src + num), dest);
}

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

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

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

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

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

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

  case 1:
   return janFourth;

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

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

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

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

  case 6:
   return new Date(janFourth.getFullYear() - 1, 11, 30);
  }
 }
 function getWeekBasedYear(date) {
  var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
    return thisDate.getFullYear() + 1;
   } else {
    return thisDate.getFullYear();
   }
  } else {
   return thisDate.getFullYear() - 1;
  }
 }
 var EXPANSION_RULES_2 = {
  "%a": function(date) {
   return WEEKDAYS[date.tm_wday].substring(0, 3);
  },
  "%A": function(date) {
   return WEEKDAYS[date.tm_wday];
  },
  "%b": function(date) {
   return MONTHS[date.tm_mon].substring(0, 3);
  },
  "%B": function(date) {
   return MONTHS[date.tm_mon];
  },
  "%C": function(date) {
   var year = date.tm_year + 1900;
   return leadingNulls(year / 100 | 0, 2);
  },
  "%d": function(date) {
   return leadingNulls(date.tm_mday, 2);
  },
  "%e": function(date) {
   return leadingSomething(date.tm_mday, 2, " ");
  },
  "%g": function(date) {
   return getWeekBasedYear(date).toString().substring(2);
  },
  "%G": function(date) {
   return getWeekBasedYear(date);
  },
  "%H": function(date) {
   return leadingNulls(date.tm_hour, 2);
  },
  "%I": function(date) {
   var twelveHour = date.tm_hour;
   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
   return leadingNulls(twelveHour, 2);
  },
  "%j": function(date) {
   return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
  },
  "%m": function(date) {
   return leadingNulls(date.tm_mon + 1, 2);
  },
  "%M": function(date) {
   return leadingNulls(date.tm_min, 2);
  },
  "%n": function() {
   return "\n";
  },
  "%p": function(date) {
   if (date.tm_hour >= 0 && date.tm_hour < 12) {
    return "AM";
   } else {
    return "PM";
   }
  },
  "%S": function(date) {
   return leadingNulls(date.tm_sec, 2);
  },
  "%t": function() {
   return "\t";
  },
  "%u": function(date) {
   var day = new Date(date.tm_year + 1900, date.tm_mon + 1, date.tm_mday, 0, 0, 0, 0);
   return day.getDay() || 7;
  },
  "%U": function(date) {
   var janFirst = new Date(date.tm_year + 1900, 0, 1);
   var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7 - janFirst.getDay());
   var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
   if (compareByDay(firstSunday, endDate) < 0) {
    var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
    var firstSundayUntilEndJanuary = 31 - firstSunday.getDate();
    var days = firstSundayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
    return leadingNulls(Math.ceil(days / 7), 2);
   }
   return compareByDay(firstSunday, janFirst) === 0 ? "01" : "00";
  },
  "%V": function(date) {
   var janFourthThisYear = new Date(date.tm_year + 1900, 0, 4);
   var janFourthNextYear = new Date(date.tm_year + 1901, 0, 4);
   var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
   var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
   var endDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
   if (compareByDay(endDate, firstWeekStartThisYear) < 0) {
    return "53";
   }
   if (compareByDay(firstWeekStartNextYear, endDate) <= 0) {
    return "01";
   }
   var daysDifference;
   if (firstWeekStartThisYear.getFullYear() < date.tm_year + 1900) {
    daysDifference = date.tm_yday + 32 - firstWeekStartThisYear.getDate();
   } else {
    daysDifference = date.tm_yday + 1 - firstWeekStartThisYear.getDate();
   }
   return leadingNulls(Math.ceil(daysDifference / 7), 2);
  },
  "%w": function(date) {
   var day = new Date(date.tm_year + 1900, date.tm_mon + 1, date.tm_mday, 0, 0, 0, 0);
   return day.getDay();
  },
  "%W": function(date) {
   var janFirst = new Date(date.tm_year, 0, 1);
   var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7 - janFirst.getDay() + 1);
   var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
   if (compareByDay(firstMonday, endDate) < 0) {
    var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
    var firstMondayUntilEndJanuary = 31 - firstMonday.getDate();
    var days = firstMondayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
    return leadingNulls(Math.ceil(days / 7), 2);
   }
   return compareByDay(firstMonday, janFirst) === 0 ? "01" : "00";
  },
  "%y": function(date) {
   return (date.tm_year + 1900).toString().substring(2);
  },
  "%Y": function(date) {
   return date.tm_year + 1900;
  },
  "%z": function(date) {
   var off = date.tm_gmtoff;
   var ahead = off >= 0;
   off = Math.abs(off) / 60;
   off = off / 60 * 100 + off % 60;
   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
  },
  "%Z": function(date) {
   return date.tm_zone;
  },
  "%%": function() {
   return "%";
  }
 };
 for (var rule in EXPANSION_RULES_2) {
  if (pattern.indexOf(rule) >= 0) {
   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
  }
 }
 var bytes = intArrayFromString(pattern, false);
 if (bytes.length > maxsize) {
  return 0;
 }
 writeArrayToMemory(bytes, s);
 return bytes.length - 1;
}

function _time(ptr) {
 var ret = Date.now() / 1e3 | 0;
 if (ptr) {
  HEAP32[ptr >> 2] = ret;
 }
 return ret;
}

FS.staticInit();

__ATINIT__.unshift(function() {
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
});

__ATMAIN__.push(function() {
 FS.ignorePermissions = false;
});

__ATEXIT__.push(function() {
 FS.quit();
});

Module["FS_createFolder"] = FS.createFolder;

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createLink"] = FS.createLink;

Module["FS_createDevice"] = FS.createDevice;

Module["FS_unlink"] = FS.unlink;

__ATINIT__.unshift(function() {
 TTY.init();
});

__ATEXIT__.push(function() {
 TTY.shutdown();
});

if (ENVIRONMENT_IS_NODE) {
 var fs = require("fs");
 var NODEJS_PATH = require("path");
 NODEFS.staticInit();
}

Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas, vrDevice) {
 err("Module.requestFullScreen is deprecated. Please call Module.requestFullscreen instead.");
 Module["requestFullScreen"] = Module["requestFullscreen"];
 Browser.requestFullScreen(lockPointer, resizeCanvas, vrDevice);
};

Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas, vrDevice) {
 Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice);
};

Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
 Browser.requestAnimationFrame(func);
};

Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
 Browser.setCanvasSize(width, height, noUpdates);
};

Module["pauseMainLoop"] = function Module_pauseMainLoop() {
 Browser.mainLoop.pause();
};

Module["resumeMainLoop"] = function Module_resumeMainLoop() {
 Browser.mainLoop.resume();
};

Module["getUserMedia"] = function Module_getUserMedia() {
 Browser.getUserMedia();
};

Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
 return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
};

if (ENVIRONMENT_IS_NODE) {
 _emscripten_get_now = function _emscripten_get_now_actual() {
  var t = process["hrtime"]();
  return t[0] * 1e3 + t[1] / 1e6;
 };
} else if (typeof dateNow !== "undefined") {
 _emscripten_get_now = dateNow;
} else if (typeof self === "object" && self["performance"] && typeof self["performance"]["now"] === "function") {
 _emscripten_get_now = function() {
  return self["performance"]["now"]();
 };
} else if (typeof performance === "object" && typeof performance["now"] === "function") {
 _emscripten_get_now = function() {
  return performance["now"]();
 };
} else {
 _emscripten_get_now = Date.now;
}

var GLctx;

GL.init();

var ASSERTIONS = false;

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;
}

function intArrayToString(array) {
 var ret = [];
 for (var i = 0; i < array.length; i++) {
  var chr = array[i];
  if (chr > 255) {
   if (ASSERTIONS) {
    assert(false, "Character code " + chr + " (" + String.fromCharCode(chr) + ")  at offset " + i + " not in 0x00-0xFF.");
   }
   chr &= 255;
  }
  ret.push(String.fromCharCode(chr));
 }
 return ret.join("");
}

var decodeBase64 = typeof atob === "function" ? atob : function(input) {
 var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
 var output = "";
 var chr1, chr2, chr3;
 var enc1, enc2, enc3, enc4;
 var i = 0;
 input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 do {
  enc1 = keyStr.indexOf(input.charAt(i++));
  enc2 = keyStr.indexOf(input.charAt(i++));
  enc3 = keyStr.indexOf(input.charAt(i++));
  enc4 = keyStr.indexOf(input.charAt(i++));
  chr1 = enc1 << 2 | enc2 >> 4;
  chr2 = (enc2 & 15) << 4 | enc3 >> 2;
  chr3 = (enc3 & 3) << 6 | enc4;
  output = output + String.fromCharCode(chr1);
  if (enc3 !== 64) {
   output = output + String.fromCharCode(chr2);
  }
  if (enc4 !== 64) {
   output = output + String.fromCharCode(chr3);
  }
 } while (i < input.length);
 return output;
};

function intArrayFromBase64(s) {
 if (typeof ENVIRONMENT_IS_NODE === "boolean" && ENVIRONMENT_IS_NODE) {
  var buf;
  try {
   buf = Buffer.from(s, "base64");
  } catch (_) {
   buf = new Buffer(s, "base64");
  }
  return new Uint8Array(buf.buffer, buf.byteOffset, buf.byteLength);
 }
 try {
  var decoded = decodeBase64(s);
  var bytes = new Uint8Array(decoded.length);
  for (var i = 0; i < decoded.length; ++i) {
   bytes[i] = decoded.charCodeAt(i);
  }
  return bytes;
 } catch (_) {
  throw new Error("Converting base64 string to bytes failed.");
 }
}

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

function invoke_vii(index, a1, a2) {
 var sp = stackSave();
 try {
  dynCall_vii(index, a1, a2);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0 && e !== "longjmp") throw e;
  _setThrew(1, 0);
 }
}

var asmGlobalArg = {
 "Math": Math,
 "Int8Array": Int8Array,
 "Int16Array": Int16Array,
 "Int32Array": Int32Array,
 "Uint8Array": Uint8Array,
 "Uint16Array": Uint16Array,
 "Float32Array": Float32Array,
 "Float64Array": Float64Array,
 "NaN": NaN,
 Infinity: Infinity
};

var asmLibraryArg = {
 "a": abort,
 "b": setTempRet0,
 "c": getTempRet0,
 "d": invoke_vii,
 "e": _SDL_ClearError,
 "f": _SDL_GetError,
 "g": _SDL_GetModState,
 "h": _SDL_GetMouseState,
 "i": _SDL_GetTicks,
 "j": _SDL_GetWindowSize,
 "k": _SDL_Init,
 "l": _SDL_LockAudio,
 "m": _SDL_LockSurface,
 "n": _SDL_PollEvent,
 "o": _SDL_SetVideoMode,
 "p": _SDL_UnlockAudio,
 "q": _SDL_UnlockSurface,
 "r": ___buildEnvironment,
 "s": ___lock,
 "t": ___setErrNo,
 "u": ___syscall140,
 "v": ___syscall145,
 "w": ___syscall146,
 "x": ___syscall195,
 "y": ___syscall220,
 "z": ___syscall221,
 "A": ___syscall5,
 "B": ___syscall54,
 "C": ___syscall6,
 "D": ___unlock,
 "E": __addDays,
 "F": __arraySum,
 "G": __isLeapYear,
 "H": _abort,
 "I": _emscripten_asm_const_i,
 "J": _emscripten_asm_const_ii,
 "K": _emscripten_asm_const_iii,
 "L": _emscripten_asm_const_iiiii,
 "M": _emscripten_asm_const_iiiiii,
 "N": _emscripten_async_wget_data,
 "O": _emscripten_get_heap_size,
 "P": _emscripten_get_now,
 "Q": _emscripten_memcpy_big,
 "R": _emscripten_resize_heap,
 "S": _emscripten_set_main_loop,
 "T": _emscripten_set_main_loop_timing,
 "U": _exit,
 "V": _gmtime,
 "W": _gmtime_r,
 "X": _localtime,
 "Y": _localtime_r,
 "Z": _longjmp,
 "_": _strftime,
 "$": _time,
 "aa": _tzset,
 "ab": abortOnCannotGrowMemory,
 "ac": tempDoublePtr,
 "ad": DYNAMICTOP_PTR
};

// EMSCRIPTEN_START_ASM


var asm = (/** @suppress {uselessCode} */ function(global,env,buffer) {
"use asm";var a=new global.Int8Array(buffer),b=new global.Int16Array(buffer),c=new global.Int32Array(buffer),d=new global.Uint8Array(buffer),e=new global.Uint16Array(buffer),f=new global.Float32Array(buffer),g=new global.Float64Array(buffer),h=env.ac|0,i=env.ad|0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0.0,r=global.NaN,s=global.Infinity,t=global.Math.floor,u=global.Math.abs,v=global.Math.sqrt,w=global.Math.cos,x=global.Math.sin,y=global.Math.atan,z=global.Math.atan2,A=global.Math.ceil,B=global.Math.imul,C=global.Math.min,D=global.Math.clz32,E=env.a,F=env.b,G=env.c,H=env.d,I=env.e,J=env.f,K=env.g,L=env.h,M=env.i,N=env.j,O=env.k,P=env.l,Q=env.m,R=env.n,S=env.o,T=env.p,U=env.q,V=env.r,W=env.s,X=env.t,Y=env.u,Z=env.v,_=env.w,$=env.x,aa=env.y,ba=env.z,ca=env.A,da=env.B,ea=env.C,fa=env.D,ga=env.E,ha=env.F,ia=env.G,ja=env.H,ka=env.I,la=env.J,ma=env.K,na=env.L,oa=env.M,pa=env.N,qa=env.O,ra=env.P,sa=env.Q,ta=env.R,ua=env.S,va=env.T,wa=env.U,xa=env.V,ya=env.W,za=env.X,Aa=env.Y,Ba=env.Z,Ca=env._,Da=env.$,Ea=env.aa,Fa=env.ab,Ga=3002288,Ha=8245168,Ia=0.0;
// EMSCRIPTEN_START_FUNCS
function xf(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0;b=Ga;Ga=Ga+16|0;d=b+8|0;e=b;f=a+16|0;g=c[c[f>>2]>>2]|0;h=g+16|0;i=a+8|0;j=c[i>>2]|0;if(h>>>0>=j>>>0|(h|0)==2060540)k=-1;else k=c[g+20>>2]&15;h=g+8|0;if(!(h>>>0>=j>>>0|(h|0)==2060540)){h=c[g+12>>2]&15;if((h|0)!=5){l=h+1|0;m=6}}else{l=0;m=6}if((m|0)==6){m=c[16+(l<<2)>>2]|0;c[e>>2]=43216;c[e+4>>2]=m;gf(a,1,Bd(a,45446,e)|0)|0}switch(k|0){case 0:case 5:break;default:gf(a,2,45737)|0}if(pf(a,1,45725)|0)hf(a,45759,d)|0;d=c[c[f>>2]>>2]|0;f=c[i>>2]|0;k=d+24|0;if(f>>>0>=k>>>0){c[i>>2]=k;Jd(a,1)|0;Ga=b;return 1}e=(d+20+(3-f)|0)>>>3;d=f;do{c[d+4>>2]=0;d=d+8|0}while(d>>>0<k>>>0);c[i>>2]=f+(e+1<<3);c[i>>2]=k;Jd(a,1)|0;Ga=b;return 1}function yf(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;b=a+16|0;d=c[c[b>>2]>>2]|0;e=d+8|0;f=a+8|0;g=c[f>>2]|0;if(e>>>0>=g>>>0|(e|0)==2060540){gf(a,1,45466)|0;h=c[c[b>>2]>>2]|0;i=c[f>>2]|0}else{h=d;i=g}g=h+16|0;if(g>>>0>=i>>>0|(g|0)==2060540){gf(a,2,45466)|0;a=c[c[b>>2]>>2]|0;j=a+16|0;k=a;l=c[f>>2]|0}else{j=g;k=h;l=i}i=k+8|0;k=i>>>0<l>>>0?i:2060540;i=j>>>0<l>>>0?j:2060540;if((k|0)!=2060540&(i|0)!=2060540?(c[k+4>>2]|0)==(c[i+4>>2]|0):0){j=(Bc(0,k,i)|0)!=0&1;m=j;n=c[f>>2]|0}else{m=0;n=l}c[n>>2]=m;c[n+4>>2]=1;c[f>>2]=(c[f>>2]|0)+8;return 1}function zf(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0;b=a+16|0;d=c[c[b>>2]>>2]|0;e=d+8|0;f=a+8|0;g=c[f>>2]|0;if(!(e>>>0>=g>>>0|(e|0)==2060540)?(c[d+12>>2]&14|1|0)==5:0){h=e;i=g}else{gf(a,1,45795)|0;h=(c[c[b>>2]>>2]|0)+8|0;i=c[f>>2]|0}b=h>>>0<i>>>0?h:2060540;switch(c[b+4>>2]&15){case 4:{j=c[(c[b>>2]|0)+12>>2]|0;break}case 7:{j=c[(c[b>>2]|0)+16>>2]|0;break}case 5:{j=ad(c[b>>2]|0)|0;break}default:j=0}c[i>>2]=j<<16;c[i+4>>2]=3;c[f>>2]=(c[f>>2]|0)+8;return 1}function Af(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;b=Ga;Ga=Ga+16|0;d=b;e=a+16|0;f=c[c[e>>2]>>2]|0;g=f+8|0;h=a+8|0;i=c[h>>2]|0;if(!(g>>>0>=i>>>0|(g|0)==2060540)){g=c[f+12>>2]&15;if((g|0)==5){j=f;k=i}else{l=g+1|0;m=4}}else{l=0;m=4}if((m|0)==4){m=c[16+(l<<2)>>2]|0;c[d>>2]=43216;c[d+4>>2]=m;gf(a,1,Bd(a,45446,d)|0)|0;j=c[c[e>>2]>>2]|0;k=c[h>>2]|0}d=j+16|0;if(d>>>0>=k>>>0|(d|0)==2060540){gf(a,2,45466)|0;n=c[c[e>>2]>>2]|0;o=c[h>>2]|0}else{n=j;o=k}k=n+8|0;j=n+24|0;if(o>>>0>=j>>>0){c[h>>2]=j;p=c[k>>2]|0;q=n+16|0;r=uc(p,q)|0;s=c[h>>2]|0;t=s+-8|0;u=c[r>>2]|0;c[t>>2]=u;v=r+4|0;w=c[v>>2]|0;x=s+-4|0;c[x>>2]=w;Ga=b;return 1}e=(n+20+(3-o)|0)>>>3;a=o;do{c[a+4>>2]=0;a=a+8|0}while(a>>>0<j>>>0);c[h>>2]=o+(e+1<<3);c[h>>2]=j;p=c[k>>2]|0;q=n+16|0;r=uc(p,q)|0;s=c[h>>2]|0;t=s+-8|0;u=c[r>>2]|0;c[t>>2]=u;v=r+4|0;w=c[v>>2]|0;x=s+-4|0;c[x>>2]=w;Ga=b;return 1}function Bf(b){b=b|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0;d=Ga;Ga=Ga+16|0;e=d;f=b+16|0;g=c[c[f>>2]>>2]|0;h=g+8|0;i=b+8|0;j=c[i>>2]|0;if(!(h>>>0>=j>>>0|(h|0)==2060540)){h=c[g+12>>2]&15;if((h|0)==5){k=g;l=j}else{m=h+1|0;n=4}}else{m=0;n=4}if((n|0)==4){n=c[16+(m<<2)>>2]|0;c[e>>2]=43216;c[e+4>>2]=n;gf(b,1,Bd(b,45446,e)|0)|0;k=c[c[f>>2]>>2]|0;l=c[i>>2]|0}e=k+16|0;if(e>>>0>=l>>>0|(e|0)==2060540){gf(b,2,45466)|0;o=c[c[f>>2]>>2]|0;p=c[i>>2]|0}else{o=k;p=l}l=o+24|0;if(l>>>0>=p>>>0|(l|0)==2060540){gf(b,3,45466)|0;q=c[c[f>>2]>>2]|0;r=c[i>>2]|0}else{q=o;r=p}p=q+8|0;o=q+32|0;if(r>>>0<o>>>0){f=(q+28+(3-r)|0)>>>3;l=r;do{c[l+4>>2]=0;l=l+8|0}while(l>>>0<o>>>0);c[i>>2]=r+(f+1<<3)}c[i>>2]=o;o=c[p>>2]|0;f=q+16|0;r=uc(o,f)|0;if((r|0)==2060540)s=vc(b,o,f)|0;else s=r;c[s>>2]=c[q+24>>2];c[s+4>>2]=c[q+28>>2];a[(c[p>>2]|0)+6>>0]=0;q=c[i>>2]|0;if(!(c[q+-4>>2]&64)){t=q;u=t+-16|0;c[i>>2]=u;Ga=d;return 1}if(!(a[(c[q+-8>>2]|0)+5>>0]&3)){t=q;u=t+-16|0;c[i>>2]=u;Ga=d;return 1}s=c[p>>2]|0;p=s+5|0;r=a[p>>0]|0;if(!(r&4)){t=q;u=t+-16|0;c[i>>2]=u;Ga=d;return 1}q=c[b+12>>2]|0;a[p>>0]=r&-5;r=q+76|0;c[s+24>>2]=c[r>>2];c[r>>2]=s;t=c[i>>2]|0;u=t+-16|0;c[i>>2]=u;Ga=d;return 1}function Cf(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0;b=a+16|0;d=c[c[b>>2]>>2]|0;e=d+8|0;f=a+8|0;g=c[f>>2]|0;if(e>>>0>=g>>>0|(e|0)==2060540){gf(a,1,45466)|0;h=c[c[b>>2]>>2]|0;i=h+8|0;j=c[f>>2]|0;k=h}else{i=e;j=g;k=d}if(i>>>0>=j>>>0|(i|0)==2060540){l=0;m=16+(l<<2)|0;n=
function Dl(b){b=b|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0;e=Ga;Ga=Ga+1024|0;f=e;Eu(f|0,0,1024)|0;g=c[b+648>>2]|0;if(!g){Ga=e;return}h=b+652|0;if(a[h>>0]|0){Ga=e;return}i=b+653|0;if(a[i>>0]|0){Ga=e;return}j=c[g+12>>2]|0;g=16384;while(1){k=f+(d[j>>0]<<2)|0;c[k>>2]=(c[k>>2]|0)+1;g=g+-1|0;if(!g)break;else j=j+1|0}a[h>>0]=0;a[i>>0]=1;a[b+654>>0]=2;a[b+655>>0]=3;a[b+656>>0]=4;a[b+657>>0]=5;a[b+658>>0]=6;a[b+659>>0]=7;a[b+660>>0]=8;a[b+661>>0]=9;a[b+662>>0]=10;a[b+663>>0]=11;a[b+664>>0]=12;a[b+665>>0]=13;a[b+666>>0]=14;a[b+667>>0]=15;i=f+4|0;h=f+8|0;j=f+12|0;g=f+16|0;k=f+20|0;l=f+24|0;m=f+28|0;n=f+32|0;o=f+36|0;p=f+40|0;q=f+44|0;r=f+48|0;s=f+52|0;t=f+56|0;u=f+60|0;v=0;do{w=v+128|0;if(c[f+(w<<2)>>2]|0){x=(c[i>>2]|0)<(c[f>>2]|0)&1;y=(c[h>>2]|0)<(c[f+(x<<2)>>2]|0)?2:x;x=(c[j>>2]|0)<(c[f+(y<<2)>>2]|0)?3:y;y=(c[g>>2]|0)<(c[f+(x<<2)>>2]|0)?4:x;x=(c[k>>2]|0)<(c[f+(y<<2)>>2]|0)?5:y;y=(c[l>>2]|0)<(c[f+(x<<2)>>2]|0)?6:x;x=(c[m>>2]|0)<(c[f+(y<<2)>>2]|0)?7:y;y=(c[n>>2]|0)<(c[f+(x<<2)>>2]|0)?8:x;x=(c[o>>2]|0)<(c[f+(y<<2)>>2]|0)?9:y;y=(c[p>>2]|0)<(c[f+(x<<2)>>2]|0)?10:x;x=(c[q>>2]|0)<(c[f+(y<<2)>>2]|0)?11:y;y=(c[r>>2]|0)<(c[f+(x<<2)>>2]|0)?12:x;x=(c[s>>2]|0)<(c[f+(y<<2)>>2]|0)?13:y;y=(c[t>>2]|0)<(c[f+(x<<2)>>2]|0)?14:x;x=(c[f+(v<<2)>>2]|0)==0?v:(c[u>>2]|0)<(c[f+(y<<2)>>2]|0)?15:y;c[f+(x<<2)>>2]=16384;a[b+668+v>>0]=x;a[b+652+x>>0]=w}v=v+1|0}while((v|0)!=16);Ga=e;return}function El(b,d){b=b|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0;e=Ga;Ga=Ga+1856|0;f=e+1032|0;g=e+1024|0;h=e+1040|0;i=e;c[b+1080>>2]=0;if(Ms(2921044)|0){j=b+1072|0;qp(c[b>>2]|0,((c[j>>2]|0)*692|0)+692|0)|0;k=c[(c[b>>2]|0)+12>>2]|0;c[b+4>>2]=k;l=c[j>>2]|0;c[j>>2]=l+1;j=k+(l*692|0)|0;Eu(j+4|0,0,688)|0;c[j>>2]=185;a[j+388>>0]=0;rm(j+4|0,60021)|0;c[j+648>>2]=0;c[j+684>>2]=2}c[g>>2]=2920020;c[g+4>>2]=d;as(i,67368,g)|0;if(!(pq(i,57889,h,-1)|0)){g=h+256|0;d=h+512|0;j=b+1072|0;l=b+4|0;do do if((a[g>>0]|0)!=46){if((Lt(g,57891)|0)==0?(c[d>>2]&16384|0)==0:0)break;qp(c[b>>2]|0,((c[j>>2]|0)*692|0)+692|0)|0;k=c[(c[b>>2]|0)+12>>2]|0;c[l>>2]=k;m=c[j>>2]|0;c[j>>2]=m+1;n=k+(m*692|0)|0;Eu(n|0,0,692)|0;c[f>>2]=2921044;c[f+4>>2]=g;as(i,67368,f)|0;m=n+260|0;Ut(m,i,128)|0;c[n+648>>2]=0;k=n+684|0;c[k>>2]=1;a[n+388>>0]=0;if(!(c[d>>2]&16384))o=n+4|0;else{c[n>>2]=181;p=n+4|0;rm(p,g)|0;c[k>>2]=2;o=p}if(((a[o>>0]|0)==0?(Mn(m,0,o,0),m=Ms(o)|0,m>>>0>3):0)?(p=m+-3+(n+4)|0,(a[p>>0]|0)==46):0)a[p>>0]=0}while(0);while(!(qq(h)|0));q=j;r=l}else{q=b+1072|0;r=b+4|0}Ns(c[r>>2]|0,c[q>>2]|0,692,2);if((b|0)==1428384){Ga=e;return}if((c[q>>2]|0)<=0){Ga=e;return}b=0;do{l=c[r>>2]|0;j=l+(b*692|0)+688|0;c[j>>2]=0;c[j>>2]=(pl(1428384,l+(b*692|0)+388|0,l+(b*692|0)+260|0)|0)!=-1&1;b=b+1|0}while((b|0)<(c[q>>2]|0));Ga=e;return}function Fl(b){b=b|0;var d=0,e=0,f=0;d=Ga;Ga=Ga+16|0;e=d;if(b|0?(Ms(b)|0)>>>0>=2:0){if((Ms(b)|0)>>>0<2)a[1447472]=0;else{f=c[405843]|0;c[e>>2]=3002004;c[e+4>>2]=f;c[e+8>>2]=b;as(1447472,57449,e)|0}rl(b,0)|0;if(c[405846]|0){Ga=d;return}rm(1623660,1447472)|0;rm(1624684,1446448)|0;c[405846]=1;c[405847]=Iq()|0;c[405848]=0;Wq(1623660,1624684,2,3)|0;Ga=d;return}c[405846]=0;bb(57873,1500);c[732416]=0;Ga=d;return}function Gl(a,b){a=a|0;b=b|0;var d=0,e=0,f=0,g=0;d=Cs(a+4|0,b+4|0)|0;e=(c[a+684>>2]|0)==2;f=c[b+684>>2]|0;if(e){if((f|0)!=2){g=-1;return g|0}}else if(!(e|(f|0)!=2)){g=1;return g|0}return ((d|0)==0?(a>>>0<b>>>0?1:-1):d)|0}function Hl(){return}function Il(a,b,d){a=a|0;b=b|0;d=d|0;if(c[405846]|0)return;rm(1623660,a)|0;rm(1624684,b)|0;c[405846]=1;c[405847]=Iq()|0;c[405848]=d;Wq(1623660,1624684,2,3)|0;return}function Jl(a){a=a|0;c[405846]=0;if(a|0)bb(a,1500);c[732416]=0;return}function Kl(){return 101}function Ll(){var b=0,d=0,e=0;if(!((a[2926560]|0)!=0&(c[732414]|0)!=0|(c[405785]|0)!=0)){b=0;return b|0}d=Bo(1624684)|0;if(!d){b=0;return b|0}rl(Ao(d,57895,0)|0,0)|0;e=(Ms(Ao(d,57895,0)|0)|0)>>>0<2;zo(d);if(e|(c[750218]|0)==0){b=0;return b|0}if(ng()|0){b=0;return b|0}if(!(Cs(1446448,2923100)|0)){b=0;return b|0}c[406687]=1;b=1;return b|0}function Ml(a,b){a=a|0;b=b|0;var d=0,e=0,f=0,g=0;d=Ga;Ga=Ga+16|0;e=d;if(!((a|0)!=0&(b|0)!=0)){Ga=d;return
function Yd(a,b){a=a|0;b=b|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;d=c[a>>2]|0;e=a+28|0;f=c[e>>2]|0;g=a+20|0;h=c[g>>2]|0;do if((f|0)!=-1){i=c[d+12>>2]|0;j=f;while(1){k=i+(j<<2)|0;l=c[k>>2]|0;m=(l>>>14)+-131071|0;n=j;j=(m|0)==-1?-1:j+1+m|0;if((n|0)>0?(m=k+-4|0,o=c[m>>2]|0,((o&63)+-37|0)>>>0<5):0){p=m;q=o}else{p=k;q=l}if((q&63|0)==41){c[p>>2]=q&8372224|q>>>23<<6|40;o=h+~n|0;if((((o|0)>-1?o:0-o|0)|0)>131071){r=8;break}s=c[k>>2]&16383;t=(o<<14)+2147467264|0}else{o=h+~n|0;if((((o|0)>-1?o:0-o|0)|0)>131071){r=11;break}s=(o<<14)+2147467264|0;t=l&16383}c[k>>2]=s|t;if((j|0)==-1){r=14;break}}if((r|0)==8)$d(c[a+12>>2]|0,43994);else if((r|0)==11)$d(c[a+12>>2]|0,43994);else if((r|0)==14){u=c[g>>2]|0;break}}else u=h;while(0);c[e>>2]=-1;e=d+48|0;if((u|0)<(c[e>>2]|0)){v=c[d+12>>2]|0;w=u}else{u=d+12|0;h=ae(c[(c[a+12>>2]|0)+32>>2]|0,c[u>>2]|0,e,4,2147483645,44342)|0;c[u>>2]=h;v=h;w=c[g>>2]|0}c[v+(w<<2)>>2]=b;b=c[g>>2]|0;w=d+52|0;v=a+12|0;if((b|0)<(c[w>>2]|0)){x=d+20|0;y=b;z=c[v>>2]|0;A=z+8|0;B=c[A>>2]|0;C=c[x>>2]|0;D=C+(y<<2)|0;c[D>>2]=B;E=c[g>>2]|0;F=E+1|0;c[g>>2]=F;return E|0}else{b=d+20|0;c[b>>2]=ae(c[(c[v>>2]|0)+32>>2]|0,c[b>>2]|0,w,4,2147483645,44342)|0;x=b;y=c[g>>2]|0;z=c[v>>2]|0;A=z+8|0;B=c[A>>2]|0;C=c[x>>2]|0;D=C+(y<<2)|0;c[D>>2]=B;E=c[g>>2]|0;F=E+1|0;c[g>>2]=F;return E|0}return 0}function Zd(e){e=e|0;var f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0;f=e+16|0;g=c[f>>2]|0;h=e+12|0;i=c[h>>2]|0;do if(c[g>>2]|0?a[g+9>>0]|0:0){j=e+28|0;k=c[j>>2]|0;c[j>>2]=-1;l=Yd(e,2147450916)|0;do if((k|0)!=-1){if((l|0)==-1){m=k;n=d[g+8>>0]|0;break}o=c[(c[e>>2]|0)+12>>2]|0;p=l;while(1){q=o+(p<<2)|0;r=c[q>>2]|0;s=(r>>>14)+-131071|0;t=(s|0)==-1?-1:p+1+s|0;if((t|0)==-1)break;else p=t}o=k+~p|0;if((((o|0)>-1?o:0-o|0)|0)>131071)$d(c[h>>2]|0,43994);else{c[q>>2]=(o<<14)+2147467264|r&16383;u=11;break}}else u=11;while(0);if((u|0)==11){k=d[g+8>>0]|0;if((l|0)==-1){c[e+24>>2]=c[e+20>>2];break}else{m=l;n=k}}k=c[(c[e>>2]|0)+12>>2]|0;o=(n<<6)+64&16320;t=m;do{s=k+(t<<2)|0;v=c[s>>2]|0;w=(v>>>14)+-131071|0;c[s>>2]=v&-16321|o;t=(w|0)==-1?-1:t+1+w|0}while((t|0)!=-1);c[e+24>>2]=c[e+20>>2];t=c[j>>2]|0;if((t|0)==-1){c[j>>2]=m;break}o=t;while(1){x=k+(o<<2)|0;y=c[x>>2]|0;t=(y>>>14)+-131071|0;l=(t|0)==-1?-1:o+1+t|0;if((l|0)==-1)break;else o=l}k=m+~o|0;if((((k|0)>-1?k:0-k|0)|0)>131071)$d(c[h>>2]|0,43994);else{c[x>>2]=(k<<14)+2147467264|y&16383;break}}while(0);if(a[g+10>>0]|0){y=i+32|0;x=Mc(c[y>>2]|0,53085,5)|0;m=i+44|0;n=c[m>>2]|0;r=n+24|0;q=i+28|0;k=c[q>>2]|0;j=c[k+20>>2]|0;l=n+28|0;t=c[l>>2]|0;w=n+32|0;if((t|0)<(c[w>>2]|0)){z=k;A=t;B=n;C=c[r>>2]|0}else{n=ae(c[y>>2]|0,c[r>>2]|0,w,16,32767,44021)|0;c[r>>2]=n;z=c[q>>2]|0;A=c[l>>2]|0;B=c[m>>2]|0;C=n}c[C+(t<<4)>>2]=x;c[C+(t<<4)+8>>2]=0;a[C+(t<<4)+12>>0]=a[z+46>>0]|0;c[C+(t<<4)+4>>2]=j;c[l>>2]=A+1;A=(c[B+24>>2]|0)+(t<<4)|0;t=b[(c[z+16>>2]|0)+6>>1]|0;z=B+16|0;l=c[z>>2]|0;if((l|0)>(t|0)){j=B+12|0;B=t;t=l;while(1){l=c[(c[j>>2]|0)+(B<<4)>>2]|0;C=c[A>>2]|0;x=a[l+4>>0]|0;do if(x<<24>>24==(a[C+4>>0]|0)){if(x<<24>>24==4){if((l|0)!=(C|0)){u=35;break}}else{n=c[l+12>>2]|0;if((l|0)!=(C|0)){if((n|0)!=(c[C+12>>2]|0)){u=35;break}if(Zr(l+16|0,C+16|0,n)|0){u=35;break}}}be(i,B,A);D=B;E=c[z>>2]|0}else u=35;while(0);if((u|0)==35){u=0;D=B+1|0;E=t}if((D|0)<(E|0)){B=D;t=E}else break}}}E=c[g>>2]|0;c[f>>2]=E;f=g+8|0;t=a[f>>0]|0;D=e+46|0;B=a[D>>0]|0;u=B&255;z=c[(c[h>>2]|0)+44>>2]|0;A=z+4|0;c[A>>2]=(t&255)-u+(c[A>>2]|0);if((t&255)<(B&255)){A=c[e+20>>2]|0;j=c[e+40>>2]|0;C=c[(c[e>>2]|0)+24>>2]|0;l=c[z>>2]|0;x=u;while(1){u=(x&255)+-1<<24>>24;c[C+((b[l+(j+(u&255)<<1)>>1]|0)*12|0)+8>>2]=A;if((u&255)>(t&255))x=x+-1|0;else break}a[D>>0]=t;F=t}else F=B;a[e+48>>0]=F;F=c[i+44>>2]|0;c[F+28>>2]=b[g+4>>1];B=b[g+6>>1]|0;if(!E)if((c[F+16>>2]|0)>(B|0))de(i,(c[F+12>>2]|0)+(B<<4)|0);else return;F=z+16|0;if((c[F>>2]|0)<=(B|0))return;i=z+12|0;z=g+9|0;g=B;B=t;while(1){t=c[i>>2]|0;E=t+(g<<4)+12|0;D=B&255;if((d[E>>0]|0)>(B&255)){if(a[z>>0]|0?(x=c[t+(g<<4)+4>>2]|0,(x|0)!=-1):0){t=c[(c[e>>2]|0)+12>>2]|0;A=(D<<6)+64&16320;D=x;do{x=t+(D<<2)|0;j
function Sa(a){a=a|0;var b=0;b=Ga;Ga=Ga+a|0;Ga=Ga+15&-16;return b|0}function Ta(){return Ga|0}function Ua(a){a=a|0;Ga=a}function Va(a,b){a=a|0;b=b|0;Ga=a;Ha=b}function Wa(){return c[(c[(c[c[694856]>>2]|0)+16>>2]|0)+12>>2]|0}function Xa(){var a=0,b=0;a=c[732521]|0;c[732521]=a+6;if((a|0)<=116)return;c[732521]=a;a=0;b=c[694838]|0;do{vo(b,b,0,a+6|0,0,a,128,1);a=a+1|0;b=c[694838]|0}while((a|0)!=122);Hm(b,0,122,127,127,0);Rg(65536);return}function Ya(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;b=Ga;Ga=Ga+208|0;d=b+200|0;e=b+192|0;f=b+184|0;g=b+176|0;h=b+168|0;i=b+160|0;j=b+152|0;k=b+144|0;l=b+136|0;m=b+128|0;n=b+120|0;o=b+112|0;p=b+104|0;q=b+96|0;r=b+88|0;s=b+80|0;t=b+72|0;u=b+64|0;v=b+8|0;w=b;x=b+204|0;if(!(_r(a,35336,9)|0))Kn(a+10|0,2920020)|0;if(!(_r(a,35346,10)|0))Kn(a+11|0,2922068)|0;if(!(_r(a,35357,14)|0)){c[w>>2]=1623148;At(a+14|0,35372,w)|0}if(!(_r(a,35376,11)|0)){c[v>>2]=1623180;c[v+4>>2]=1623184;c[v+8>>2]=1623188;c[v+12>>2]=1623192;c[v+16>>2]=1623196;c[v+20>>2]=1623200;c[v+24>>2]=1623204;c[v+28>>2]=1623208;c[v+32>>2]=1623212;c[v+36>>2]=1623216;c[v+40>>2]=1623220;c[v+44>>2]=1623224;c[v+48>>2]=1623228;At(a+11|0,35388,v)|0}if(!(_r(a,35428,10)|0)){c[u>>2]=1623308;At(a+10|0,35372,u)|0}if(!(_r(a,35439,11)|0)){c[t>>2]=1623332;At(a+11|0,35372,t)|0}if(!(_r(a,46981,7)|0)){c[s>>2]=1623336;At(a+7|0,35372,s)|0}if((_r(a,57683,6)|0)==0?(c[r>>2]=2023172,At(a+6|0,35372,r)|0,c[515970]|0):0)c[515970]=c[505793];if(!(_r(a,35451,9)|0)){c[q>>2]=1623344;At(a+9|0,35372,q)|0}if(!(_r(a,47335,16)|0)){c[p>>2]=1623320;At(a+16|0,35372,p)|0}if(!(_r(a,47236,9)|0)){c[o>>2]=1623324;At(a+9|0,35372,o)|0}if(!(_r(a,35461,12)|0)){c[n>>2]=1623360;At(a+12|0,35372,n)|0}if(!(_r(a,35474,20)|0)){c[m>>2]=2022612;At(a+20|0,35372,m)|0}if(!(_r(a,35495,22)|0)){c[l>>2]=2022616;At(a+22|0,35372,l)|0}if(!(_r(a,35518,14)|0)){c[k>>2]=x;At(a+14|0,35372,k)|0;c[405842]=(c[x>>2]|0)==2&1}if(!(_r(a,46692,13)|0)){c[j>>2]=1623368;At(a+13|0,35372,j)|0}if(!(_r(a,47441,9)|0)){c[i>>2]=1623312;At(a+9|0,35372,i)|0}if(!(_r(a,35533,9)|0)){c[h>>2]=1623316;At(a+9|0,35372,h)|0}if(!(_r(a,35543,19)|0)){c[g>>2]=1623172;At(a+19|0,35372,g)|0}if(!(_r(a,35563,19)|0)){c[f>>2]=1623168;At(a+19|0,35372,f)|0}if(!(_r(a,35583,22)|0)){c[e>>2]=1623176;At(a+22|0,35372,e)|0}if(_r(a,35606,11)|0){Ga=b;return 0}c[d>>2]=1623352;At(a+11|0,35372,d)|0;Ga=b;return 0}function Za(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0;b=Ga;Ga=Ga+256|0;d=b+248|0;e=b+240|0;f=b+232|0;g=b+224|0;h=b+216|0;i=b+208|0;j=b+200|0;k=b+192|0;l=b+184|0;m=b+176|0;n=b+168|0;o=b+160|0;p=b+152|0;q=b+144|0;r=b+136|0;s=b+128|0;t=b+120|0;u=b+112|0;v=b+104|0;w=b+96|0;x=b+88|0;y=b+80|0;z=b+72|0;A=b+64|0;B=b+56|0;C=b+48|0;D=b+40|0;E=b+32|0;F=b+24|0;G=b+16|0;H=b+8|0;I=b;J=a+8|0;a=c[J>>2]|0;c[I>>2]=35631;It(a,35618,I)|0;Rt(35638,25,1,c[J>>2]|0)|0;I=c[J>>2]|0;c[H>>2]=c[505793];It(I,35664,H)|0;Rt(35676,37,1,c[J>>2]|0)|0;H=c[J>>2]|0;c[G>>2]=2920020;It(H,35714,G)|0;Rt(35729,36,1,c[J>>2]|0)|0;G=c[J>>2]|0;c[F>>2]=2922068;It(G,35766,F)|0;Rt(35782,65,1,c[J>>2]|0)|0;F=c[J>>2]|0;c[E>>2]=c[405787];It(F,35848,E)|0;Rt(35868,70,1,c[J>>2]|0)|0;Rt(35939,12,1,c[J>>2]|0)|0;E=c[J>>2]|0;c[D>>2]=c[405795];It(E,35952,D)|0;D=c[J>>2]|0;c[C>>2]=c[405796];It(D,35952,C)|0;C=c[J>>2]|0;c[B>>2]=c[405797];It(C,35952,B)|0;B=c[J>>2]|0;c[A>>2]=c[405798];It(B,35952,A)|0;A=c[J>>2]|0;c[z>>2]=c[405799];It(A,35952,z)|0;z=c[J>>2]|0;c[y>>2]=c[405800];It(z,35952,y)|0;y=c[J>>2]|0;c[x>>2]=c[405801];It(y,35952,x)|0;x=c[J>>2]|0;c[w>>2]=c[405802];It(x,35952,w)|0;w=c[J>>2]|0;c[v>>2]=c[405803];It(w,35952,v)|0;v=c[J>>2]|0;c[u>>2]=c[405804];It(v,35952,u)|0;u=c[J>>2]|0;c[t>>2]=c[405805];It(u,35952,t)|0;t=c[J>>2]|0;c[s>>2]=c[405806];It(t,35952,s)|0;s=c[J>>2]|0;c[r>>2]=c[405807];It(s,35952,r)|0;Rt(35956,2,1,c[J>>2]|0)|0;Rt(35959,52,1,c[J>>2]|0)|0;r=c[J>>2]|0;c[q>>2]=c[405827];It(r,36012,q)|0;Rt(36028,70,1,c[J>>2]|0)|0;q=c[J>>2]|0;c[p>>2]=c[405833];It(q,36099,p)|0;Rt(36116,125,1,c[J>>2]|0)|0;p=c[J>>2]|0;c[o>>2]=c[405836];It(p,36242,o)|0;Rt(36257,52,
function Uj(a,b,d,e,f,g,h,i){a=a|0;b=b|0;d=d|0;e=e|0;f=f|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0;j=B(e,e)|0;k=B(f,f)|0;l=0-(k+(((e|0)%2|0)+(j>>>2)))|0;m=(k>>>2)+((f|0)%2|0)|0;n=0-(j+m)|0;o=0-m|0;m=k<<1;p=j<<1;if((f|e|0)<0)q=0;else{r=g+b|0;s=h+d|0;t=0;u=f;v=B(B(j,-2)|0,f)|0;w=0;x=B(0-j|0,f)|0;y=0;while(1){z=y+8|0;do if(((B(t,k)|0)+x|0)>(l|0)?(A=B(u,j)|0,(A+x|0)>(o|0)):0){C=b-t|0;D=r+t|0;E=(Rj(a,C,D,d-u|0,i,c[732532]|0)|0)+z|0;if((x-A|0)<=(n|0)){A=w+m|0;F=v+p|0;G=t+1|0;H=u+-1|0;I=F;J=A;K=A+x+F|0;L=(Rj(a,C,D,s+u|0,i,c[732532]|0)|0)+E|0;break}if(!u)M=E;else M=(Rj(a,C,D,s+u|0,i,c[732532]|0)|0)+E|0;E=v+p|0;G=t;H=u+-1|0;I=E;J=w;K=E+x|0;L=M}else N=5;while(0);if((N|0)==5){N=0;E=w+m|0;G=t+1|0;H=u;I=v;J=E;K=E+x|0;L=z}if((H|0)<0|(G|0)>(e|0)){q=L;break}else{t=G;u=H;v=I;w=J;x=K;y=L}}}if(!h)O=q;else O=(Rj(a,b-e|0,e+b+g|0,d+1|0,i,c[732532]|0)|0)+q|0;if(f|0){P=O;return P|0}P=(Rj(a,b-e|0,e+b|0,d,i,c[732532]|0)|0)+O|0;return P|0}function Vj(a,b,d,e,f,g){a=a|0;b=b|0;d=d|0;e=e|0;f=f|0;g=g|0;var h=0,i=0,j=0,k=0;h=(e|0)<(b|0);i=h?e:b;j=h?b:e;e=(f|0)<(d|0);b=e?f:d;h=e?d:f;f=h-b|0;if((f|0)>=2?(d=j-i|0,(d|0)>=2):0){k=Uj(a,(j+i|0)/2|0,(h+b|0)/2|0,d>>>1,f>>>1,d&1,f&1,g)|0;return k|0}f=0;d=b;while(1){b=(Rj(a,i,j,d,g,c[732532]|0)|0)+f|0;if((d|0)<(h|0)){f=b;d=d+1|0}else{k=b;break}}return k|0}function Wj(b,d,e,f,g,h){b=b|0;d=d|0;e=e|0;f=f|0;g=g|0;h=h|0;var i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;i=Ga;Ga=Ga+128|0;j=i+64|0;k=i;l=k;m=1792;n=l+64|0;do{c[l>>2]=c[m>>2];l=l+4|0;m=m+4|0}while((l|0)<(n|0));if((h|0)==1){l=j;n=l+64|0;do{c[l>>2]=0;l=l+4|0}while((l|0)<(n|0));if(!((e|0)>(g|0)|(d|0)>(f|0))){l=c[b+16>>2]|0;n=e;while(1){h=c[l+(n<<2)>>2]|0;m=d;while(1){o=j+(c[1856+((a[h+m>>0]&15)<<2)>>2]<<2)|0;c[o>>2]=(c[o>>2]|0)+1;if((m|0)<(f|0))m=m+1|0;else break}if((n|0)<(g|0))n=n+1|0;else break}}n=(B(1-d+f<<1,1-e+g|0)|0)/3|0;l=(c[j+4>>2]|0)+(c[j>>2]|0)-n|0;m=(l|0)<0?0-l|0:l;l=(c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))-n|0;h=(l|0)<0?0-l|0:l;l=(h|0)<(m|0);o=l?h:m;m=(c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0)))-n|0;h=(m|0)<0?0-m|0:m;m=(h|0)<(o|0);p=m?h:o;o=(c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))))-n|0;h=(o|0)<0?0-o|0:o;o=(h|0)<(p|0);q=o?h:p;p=(c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0)))))-n|0;h=(p|0)<0?0-p|0:p;p=(h|0)<(q|0);r=p?h:q;q=(c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))))))-n|0;h=(q|0)<0?0-q|0:q;q=(h|0)<(r|0);s=q?h:r;r=(c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0)))))))-n|0;h=(r|0)<0?0-r|0:r;r=(h|0)<(s|0);t=r?h:s;s=(c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))))))))-n|0;h=(s|0)<0?0-s|0:s;s=(h|0)<(t|0);u=s?h:t;t=(c[j+36>>2]|0)+((c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0)))))))))-n|0;h=(t|0)<0?0-t|0:t;t=(h|0)<(u|0);v=t?h:u;u=(c[j+40>>2]|0)+((c[j+36>>2]|0)+((c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))))))))))-n|0;h=(u|0)<0?0-u|0:u;u=(h|0)<(v|0);w=u?h:v;v=(c[j+44>>2]|0)+((c[j+40>>2]|0)+((c[j+36>>2]|0)+((c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0)))))))))))-n|0;h=(v|0)<0?0-v|0:v;v=(h|0)<(w|0);x=v?12:u?11:t?10:s?9:r?8:q?7:p?6:o?5:m?4:l?3:2;l=v?h:w;w=(c[j+48>>2]|0)+((c[j+44>>2]|0)+((c[j+40>>2]|0)+((c[j+36>>2]|0)+((c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+((c[j+20>>2]|0)+((c[j+16>>2]|0)+((c[j+12>>2]|0)+((c[j+8>>2]|0)+((c[j+4>>2]|0)+(c[j>>2]|0))))))))))))-n|0;h=(w|0)<0?0-w|0:w;w=(x|0)==-1|(h|0)<(l|0);v=w?13:x;x=w?h:l;l=(c[j+52>>2]|0)+((c[j+48>>2]|0)+((c[j+44>>2]|0)+((c[j+40>>2]|0)+((c[j+36>>2]|0)+((c[j+32>>2]|0)+((c[j+28>>2]|0)+((c[j+24>>2]|0)+
function Bc(e,f,g){e=e|0;f=f|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0;h=Ga;Ga=Ga+16|0;i=h;j=f+4|0;a:do switch(c[j>>2]&63){case 0:{k=1;break}case 3:{k=(c[f>>2]|0)==(c[g>>2]|0);break}case 1:{k=(c[f>>2]|0)==(c[g>>2]|0);break}case 2:{k=(c[f>>2]|0)==(c[g>>2]|0);break}case 22:{k=(c[f>>2]|0)==(c[g>>2]|0);break}case 4:{k=(c[f>>2]|0)==(c[g>>2]|0);break}case 20:{l=c[f>>2]|0;m=c[g>>2]|0;n=c[l+12>>2]|0;if((l|0)!=(m|0))if((n|0)==(c[m+12>>2]|0))k=(Zr(l+16|0,m+16|0,n)|0)==0;else k=0;else k=1;break}case 7:{n=c[f>>2]|0;m=c[g>>2]|0;if((n|0)!=(m|0))if(((e|0)!=0?(l=c[n+8>>2]|0,n=c[m+8>>2]|0,(l|0)!=0):0)?(m=l+6|0,o=a[m>>0]|0,(o&32)==0):0){p=c[(c[e+12>>2]|0)+176>>2]|0;q=c[p+8>>2]|0;r=(c[l+16>>2]|0)+(((1<<(d[l+7>>0]|0))+-1&q)*20|0)|0;while(1){if((c[r+12>>2]|0)==68?(c[r+8>>2]|0)==(p|0):0){s=17;break}t=c[r+16>>2]|0;if(!t){u=2060540;break}else r=t}if((s|0)==17)u=r;t=u+4|0;v=c[t>>2]|0;if(!v){a[m>>0]=o|32;k=0;break a}if(u)if((l|0)!=(n|0))if((n|0)!=0?(w=n+6|0,x=a[w>>0]|0,(x&32)==0):0){y=(c[n+16>>2]|0)+(((1<<(d[n+7>>0]|0))+-1&q)*20|0)|0;while(1){if((c[y+12>>2]|0)==68?(c[y+8>>2]|0)==(p|0):0){s=28;break}z=c[y+16>>2]|0;if(!z){A=2060540;break}else y=z}if((s|0)==28)A=y;p=c[A+4>>2]|0;if(!p){a[w>>0]=x|32;k=0;break a}if((A|0)!=0&(v|0)==(p|0)?(Bc(0,u,A)|0)!=0:0){B=u;C=t;s=59}else k=0}else k=0;else{B=u;C=t;s=59}else k=0}else k=0;else k=1;break}case 5:{p=c[f>>2]|0;q=c[g>>2]|0;if((p|0)!=(q|0))if(((e|0)!=0?(n=c[p+8>>2]|0,p=c[q+8>>2]|0,(n|0)!=0):0)?(q=n+6|0,l=a[q>>0]|0,(l&32)==0):0){o=c[(c[e+12>>2]|0)+176>>2]|0;m=c[o+8>>2]|0;r=(c[n+16>>2]|0)+(((1<<(d[n+7>>0]|0))+-1&m)*20|0)|0;while(1){if((c[r+12>>2]|0)==68?(c[r+8>>2]|0)==(o|0):0){s=41;break}z=c[r+16>>2]|0;if(!z){D=2060540;break}else r=z}if((s|0)==41)D=r;t=D+4|0;v=c[t>>2]|0;if(!v){a[q>>0]=l|32;k=0;break a}if(D)if((n|0)!=(p|0))if((p|0)!=0?(x=p+6|0,w=a[x>>0]|0,(w&32)==0):0){y=(c[p+16>>2]|0)+(((1<<(d[p+7>>0]|0))+-1&m)*20|0)|0;while(1){if((c[y+12>>2]|0)==68?(c[y+8>>2]|0)==(o|0):0){s=52;break}z=c[y+16>>2]|0;if(!z){E=2060540;break}else y=z}if((s|0)==52)E=y;o=c[E+4>>2]|0;if(!o){a[x>>0]=w|32;k=0;break a}if((E|0)!=0&(v|0)==(o|0)?(Bc(0,D,E)|0)!=0:0){B=D;C=t;s=59}else k=0}else k=0;else{B=D;C=t;s=59}else k=0}else k=0;else k=1;break}default:k=(c[f>>2]|0)==(c[g>>2]|0)}while(0);b:do if((s|0)==59){D=e+8|0;E=c[D>>2]|0;u=e+28|0;A=E-(c[u>>2]|0)|0;c[D>>2]=E+8;c[E>>2]=c[B>>2];c[E+4>>2]=c[C>>2];E=c[D>>2]|0;c[D>>2]=E+8;c[E>>2]=c[f>>2];c[E+4>>2]=c[j>>2];E=c[D>>2]|0;c[D>>2]=E+8;c[E>>2]=c[g>>2];c[E+4>>2]=c[g+4>>2];E=(c[D>>2]|0)+-24|0;o=a[(c[e+16>>2]|0)+18>>0]&1;m=e+38|0;p=(b[m>>1]|0)+1<<16>>16;b[m>>1]=p;if((p&65535)>199){if(p<<16>>16==200)ic(e,43256,i);if((p&65535)>224)gc(e,6)}p=o<<24>>24!=0;if(!p){o=e+36|0;b[o>>1]=(b[o>>1]|0)+1<<16>>16}if(!(mc(e,E,1)|0))nc(e);if(!p){p=e+36|0;b[p>>1]=(b[p>>1]|0)+-1<<16>>16}b[m>>1]=(b[m>>1]|0)+-1<<16>>16;m=(c[u>>2]|0)+A|0;A=c[D>>2]|0;u=A+-8|0;c[D>>2]=u;c[m>>2]=c[u>>2];c[m+4>>2]=c[A+-4>>2];A=c[D>>2]|0;switch(c[A+4>>2]|0){case 0:{k=0;break b;break}case 1:{k=(c[A>>2]|0)!=0;break b;break}default:{k=1;break b}}}while(0);Ga=h;return k&1|0}function Cc(a,b,d){a=a|0;b=b|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0;e=c[b+4>>2]|0;if((e|0)==3){if((c[d+4>>2]|0)==3){f=(c[b>>2]|0)<(c[d>>2]|0)&1;return f|0}}else if((e&15|0)==4?(c[d+4>>2]&15|0)==4:0){e=c[b>>2]|0;g=c[d>>2]|0;h=e+16|0;i=g+16|0;j=eu(h,i)|0;a:do if(!j){k=c[g+12>>2]|0;l=i;m=c[e+12>>2]|0;n=h;while(1){o=Ms(n)|0;if((o|0)==(k|0)){p=0;break a}q=o+1|0;if((o|0)==(m|0)){p=-1;break a}l=l+q|0;n=n+q|0;o=eu(n,l)|0;if(o|0){p=o;break}else{k=k-q|0;m=m-q|0}}}else p=j;while(0);f=p>>>31;return f|0}p=a+8|0;if(!(Jc(a,b,d,c[p>>2]|0,26)|0))Kc(a,b,d);d=c[p>>2]|0;p=c[d+4>>2]|0;switch(p|0){case 1:{f=(c[d>>2]|0)!=0&1;return f|0}case 0:{f=p;return f|0}default:{f=1;return f|0}}return 0}function Dc(a,b,d){a=a|0;b=b|0;d=d|0;var e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0;e=c[b+4>>2]|0;if((e|0)==3){if((c[d+4>>2]|0)==3){f=(c[b>>2]|0)<=(c[d>>2]|0);g=f&1;return g|0}}else if((e&15|0)==4?(c[d+4>>2]&15|0)==4:0){e=c[b>>2]|0;h=c[d>>2]|0;i=e+16|0;j=h+16|0;k=eu(i,j)|0;a:do if(!k){l=c[h+12>>2]|0;m=j;n=c
function dp(b,e,f,g,h,i){b=b|0;e=e|0;f=f|0;g=g|0;h=h|0;i=i|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0,ub=0,vb=0,wb=0,xb=0,yb=0,zb=0,Ab=0,Bb=0,Cb=0,Db=0,Eb=0,Fb=0,Gb=0,Hb=0,Ib=0,Jb=0,Kb=0,Lb=0,Mb=0,Nb=0,Ob=0,Pb=0,Qb=0,Rb=0,Sb=0,Tb=0,Ub=0,Vb=0,Wb=0,Xb=0,Yb=0,Zb=0,_b=0,$b=0,ac=0,bc=0,cc=0,dc=0,ec=0,fc=0,gc=0,hc=0,ic=0,jc=0,kc=0,lc=0,mc=0,nc=0,oc=0,pc=0,qc=0,rc=0,sc=0,tc=0,uc=0,vc=0,wc=0,xc=0,yc=0,zc=0,Ac=0,Bc=0,Cc=0,Dc=0,Ec=0,Fc=0,Gc=0,Hc=0,Ic=0,Jc=0,Kc=0,Lc=0,Mc=0,Nc=0,Oc=0,Pc=0,Qc=0,Rc=0,Sc=0,Tc=0,Uc=0,Vc=0,Wc=0,Xc=0,Yc=0,Zc=0,_c=0,$c=0,ad=0,bd=0,cd=0,dd=0,ed=0,fd=0,gd=0,hd=0,id=0,jd=0,kd=0,ld=0,md=0,nd=0,od=0,pd=0,qd=0,rd=0,sd=0,td=0,ud=0,vd=0,wd=0,xd=0,yd=0,zd=0,Ad=0,Bd=0,Cd=0,Dd=0,Ed=0,Fd=0,Gd=0,Hd=0,Id=0,Jd=0,Kd=0,Ld=0,Md=0,Nd=0,Od=0,Pd=0,Qd=0,Rd=0,Sd=0,Td=0,Ud=0,Vd=0,Wd=0,Xd=0,Yd=0,Zd=0,_d=0,$d=0,ae=0;j=Ga;Ga=Ga+192|0;k=j+176|0;l=j+20|0;m=j+8|0;n=j+4|0;o=j;c[n>>2]=0;c[o>>2]=0;c[e>>2]=0;c[f>>2]=0;p=b+216|0;c[p>>2]=0;Du(l|0,b+28|0,156)|0;c[l>>2]=h;c[l+4>>2]=i;a:do if(c[b+12>>2]|0){q=B(i,h)|0;b:do switch(c[b+184>>2]|0){case 6:{r=(q|0)!=0;if((c[b+188>>2]|0)==8){if(!r)break b;s=0;while(1){if((a[g+(s<<2|3)>>0]|0)!=-1)break a;s=s+1|0;if(s>>>0>=q>>>0)break b}}if(r){s=0;do{t=s<<3;if((a[g+(t|6)>>0]|0)!=-1)break a;s=s+1|0;if((a[g+(t|7)>>0]|0)!=-1)break a}while(s>>>0<q>>>0)}break}case 4:{s=(q|0)!=0;if((c[b+188>>2]|0)==8){if(!s)break b;r=0;while(1){if((a[g+(r<<1|1)>>0]|0)!=-1)break a;r=r+1|0;if(r>>>0>=q>>>0)break b}}if(s){r=0;do{t=r<<2;if((a[g+(t|2)>>0]|0)!=-1)break a;r=r+1|0;if((a[g+(t|3)>>0]|0)!=-1)break a}while(r>>>0<q>>>0)}break}case 3:{r=c[b+192>>2]|0;s=c[b+196>>2]|0;if(s|0){t=0;do{if((a[r+(t<<2|3)>>0]|0)!=-1)break a;t=t+1|0}while(t>>>0<s>>>0)}break}default:break a}while(0);q=l+20|0;switch(c[q>>2]|0){case 6:{c[q>>2]=2;break a;break}case 4:{c[q>>2]=0;break a;break}default:break a}}while(0);if((c[b+8>>2]|0)>>>0>32768){c[p>>2]=60;Ga=j;return}if((c[b>>2]|0)>>>0>2){c[p>>2]=61;Ga=j;return}if((c[b+44>>2]|0)>>>0>1){c[p>>2]=71;Ga=j;return}q=l+20|0;s=c[q>>2]|0;t=l+24|0;r=c[t>>2]|0;switch(s|0){case 0:{switch(r|0){case 1:case 2:case 4:case 8:case 16:break;default:{u=37;v=42}}break}case 2:{switch(r|0){case 8:case 16:break;default:{u=37;v=42}}break}case 3:{switch(r|0){case 1:case 2:case 4:case 8:break;default:{u=37;v=42}}break}case 4:{switch(r|0){case 8:case 16:break;default:{u=37;v=42}}break}case 6:{switch(r|0){case 8:case 16:break;default:{u=37;v=42}}break}default:{u=31;v=42}}if((v|0)==42){c[p>>2]=u;Ga=j;return}c[p>>2]=0;u=b+184|0;w=c[u>>2]|0;x=c[b+188>>2]|0;switch(w|0){case 0:{switch(x|0){case 1:case 2:case 4:case 8:case 16:break;default:{y=37;v=49}}break}case 2:{switch(x|0){case 8:case 16:break;default:{y=37;v=49}}break}case 3:{switch(x|0){case 1:case 2:case 4:case 8:break;default:{y=37;v=49}}break}case 4:{switch(x|0){case 8:case 16:break;default:{y=37;v=49}}break}case 6:{switch(x|0){case 8:case 16:break;default:{y=37;v=49}}break}default:{y=31;v=49}}if((v|0)==49){c[p>>2]=y;Ga=j;return}c[p>>2]=0;do if((w|0)==(s|0)&(x|0)==(r|0))ep(n,o,g,l);else{y=B(i,h)|0;switch(s|0){case 3:case 0:{z=-1;v=55;break}case 2:{A=3;v=54;break}case 4:break;case 6:{A=4;v=54;break}default:{z=0;v=55}}if((v|0)==54){C=((B(B(r,y)|0,A)|0)+7|0)>>>3;v=56}else if((v|0)==55)switch(s|0){case 2:case 6:{C=((B(z&r,y)|0)+7|0)>>>3;v=56;break}default:{}}if((v|0)==56?(r|0)==8:0){y=mp(C)|0;if(!((C|0)!=0&(y|0)==0)){if((c[p>>2]|0)==0?(D=Yo(y,g,q,u,h,i)|0,c[p>>2]=D,(D|0)==0):0)ep(n,o,y,l)}else c[p>>2]=9955;op(y);break}c[p>>2]=59;Ga=j;return}while(0);c[m>>2]=0;u=m+8|0;c[u>>2]=0;g=m+4|0;c[g>>2]=0;c:do if(!(c[p>>2]|0)){C=np(0,2)|0;if(!C){E=0;F=0}else{c[u>>2]=2;c[m>>2]=C;c[g>>2]=1;a[C>>0]=-1
function Ar(a,e,f){a=a|0;e=e|0;f=f|0;var g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0;g=c[a>>2]|0;Iq()|0;if((f|0)<=0)return;h=a+525596|0;i=a+525588|0;j=a+525572|0;k=g+32|0;l=g+40|0;g=a+525592|0;m=a+525580|0;n=a+525576|0;o=a+525600|0;p=a+525584|0;q=e;e=f;f=c[h>>2]|0;a:while(1){r=c[i>>2]|0;if((r|0)>(f|0)){s=r-f|0;r=(s|0)<(e|0)?s:e;do if((r|0)!=0?(s=r+f|0,(r|0)>0):0){t=c[(c[a>>2]|0)+40>>2]|0;if((t|0)<=0){u=f+1|0;Eu(q|0,0,((s|0)>(u|0)?s:u)-f<<1|0)|0;v=c[h>>2]|0;break}u=f;w=q;while(1){x=0;y=0;do{y=y+(b[a+4+(x*32848|0)+80+(u<<1)>>1]|0)|0;x=x+1|0}while((x|0)!=(t|0));x=(y|0)/3|0;z=(x|0)<32767?x:32767;b[w>>1]=(z|0)>-32767?z:-32767;u=u+1|0;if((u|0)>=(s|0)){v=f;break}else w=w+2|0}}else v=f;while(0);c[h>>2]=v+r;w=e-r|0;if((w|0)>0){A=q+(r<<1)|0;C=w}else{D=44;break}}else{A=q;C=e}w=c[l>>2]|0;b:do if((c[j>>2]|0)<(c[k>>2]|0))E=w;else{c:do if((w|0)>0){s=0;while(1){F=a+4+(s*32848|0)+28|0;if((c[F>>2]|0)==11)break;u=s+1|0;if((u|0)<(w|0))s=u;else break c}y=c[a+4+(s*32848|0)+32>>2]|0;c[j>>2]=y;c[j>>2]=((y|0)<0?1:(y|0)>=(c[k>>2]|0))?0:y;c[F>>2]=0;c[a+4+(s*32848|0)+40>>2]=0;c[a+4+(s*32848|0)+36>>2]=0;c[m>>2]=0;c[n>>2]=0;E=c[l>>2]|0;break b}while(0);if(!(c[o>>2]|0)){D=21;break a}c[j>>2]=0;E=w}while(0);if((E|0)>0){w=0;do{r=a+262788+(w*32848|0)|0;y=a+4+(w*32848|0)|0;u=r+80|0;do{c[r>>2]=c[y>>2];r=r+4|0;y=y+4|0}while((r|0)<(u|0));w=w+1|0;y=c[l>>2]|0}while((w|0)<(y|0));G=y}else G=E;c[g>>2]=-1;if(!(c[m>>2]|0)){if((G|0)>0){w=0;do{yr(a,a+4+(w*32848|0)|0);w=w+1|0;H=c[l>>2]|0}while((w|0)<(H|0));w=c[g>>2]|0;if((w|0)!=-1){c[j>>2]=w;c[m>>2]=0;c[n>>2]=0;if((H|0)>0){w=0;do{yr(a,a+4+(w*32848|0)|0);w=w+1|0;y=c[l>>2]|0}while((w|0)<(y|0));I=y;D=33}}else{I=H;D=33}}}else{I=G;D=33}if((D|0)==33?(D=0,(I|0)>0):0){w=0;do{y=a+4+(w*32848|0)|0;xr(a,y);zr(a,y,0,c[i>>2]|0);zr(a,a+262788+(w*32848|0)|0,0,128);y=0;do{r=B(128-y|0,b[a+262788+(w*32848|0)+80+(y<<1)>>1]|0)|0;u=a+4+(w*32848|0)+80+(y<<1)|0;b[u>>1]=((B(y,b[u>>1]|0)|0)+r|0)>>>7;y=y+1|0}while((y|0)!=128);w=w+1|0}while((w|0)<(c[l>>2]|0))}c[h>>2]=0;w=(c[m>>2]|0)+1|0;c[m>>2]=w;if((w|0)<(c[p>>2]|0))J=c[n>>2]|0;else{c[m>>2]=0;w=(c[n>>2]|0)+1|0;c[n>>2]=w;J=w}w=c[a>>2]|0;y=c[j>>2]|0;if((J|0)>=(c[(c[w+60>>2]|0)+((d[w+72+y>>0]|0)*2596|0)+32>>2]|0)){c[n>>2]=0;c[j>>2]=y+1}if((C|0)>0){q=A;e=C;f=0}else{D=44;break}}if((D|0)==21){c[a+525604>>2]=0;return}else if((D|0)==44)return}function Br(a){a=a|0;var b=0,d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ha=0,Ia=0,Ja=0;b=Ga;Ga=Ga+16|0;d=b;do if(a>>>0<245){e=a>>>0<11?16:a+11&-8;f=e>>>3;g=c[750351]|0;h=g>>>f;if(h&3|0){i=(h&1^1)+f|0;j=3001444+(i<<1<<2)|0;k=j+8|0;l=c[k>>2]|0;m=l+8|0;n=c[m>>2]|0;if((n|0)==(j|0))c[750351]=g&~(1<<i);else{c[n+12>>2]=j;c[k>>2]=n}n=i<<3;c[l+4>>2]=n|3;i=l+n+4|0;c[i>>2]=c[i>>2]|1;o=m;Ga=b;return o|0}m=c[750353]|0;if(e>>>0>m>>>0){if(h|0){i=2<<f;n=h<<f&(i|0-i);i=(n&0-n)+-1|0;n=i>>>12&16;f=i>>>n;i=f>>>5&8;h=f>>>i;f=h>>>2&4;l=h>>>f;h=l>>>1&2;k=l>>>h;l=k>>>1&1;j=(i|n|f|h|l)+(k>>>l)|0;l=3001444+(j<<1<<2)|0;k=l+8|0;h=c[k>>2]|0;f=h+8|0;n=c[f>>2]|0;if((n|0)==(l|0)){i=g&~(1<<j);c[750351]=i;p=i}else{c[n+12>>2]=l;c[k>>2]=n;p=g}n=j<<3;j=n-e|0;c[h+4>>2]=e|3;k=h+e|0;c[k+4>>2]=j|1;c[h+n>>2]=j;if(m|0){n=c[750356]|0;h=m>>>3;l=3001444+(h<<1<<2)|0;i=1<<h;if(!(p&i)){c[750351]=p|i;q=l;r=l+8|0}else{i=l+8|0;q=c[i>>2]|0;r=i}c[r>>2]=n;c[q+12>>2]=n;c[n+8>>2]=q;c[n+12>>2]=l}c[750353]=j;c[750356]=k;o=f;Ga=b;return o|0}f=c[750352]|0;if(f){k=(f&0-f)+-1|0;j=k>>>12&16;l=k>>>j;k=l>>>5&8;n=l>>>k;l=n>>>2&4;i=n>>>l;n=i>>>1&2;h=i>>>n;i=h>>>1&1;s=c[3001708+((k|j|l|n|i)+(h>>>i)<<2)>>2]|0;i=s;h=s;n=(c[s+4>>2]&-8)-e|0;while(1){s=c[i+16>>2]|0;if(!s){l=c[i+20>>2]|0;if(!l)break;else t=l}else t=s;s=(c[t+4>>2]&-8)-e|0;l=s>>>0<n>>>0;i=t;h=l?t:h;n=l?s:n}i=h+e|0;if(i>>>0>h>>>0){s=c[h+24>>2]|0;l=c[h+12>>2]|0;do if((l|0)==(h|0)){j=h+20|0
function Bo(b){b=b|0;var d=0,e=0,f=0,g=0,h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;d=Ga;Ga=Ga+2048|0;e=d+1024|0;f=d;g=Fn(b,67514)|0;if(!g){h=0;Ga=d;return h|0}b=mp(24)|0;lp(b,0,24);a:do if(!(Dn(g)|0)){i=b+12|0;j=b+4|0;while(1){a[e>>0]=0;Hn(e,1023,g)|0;k=a[e>>0]|0;b:do switch(k<<24>>24){case 0:case 47:break;default:{l=e;m=k;while(1){n=m<<24>>24;switch(m<<24>>24){case 47:case 0:{break b;break}default:{}}if(m<<24>>24==95|((n+-48|0)>>>0<10|((n&-33)+-65|0)>>>0<26))break;n=l+1|0;l=n;m=a[n>>0]|0}if(m<<24>>24){a[f>>0]=0;n=0;o=l;p=m;while(1){a[f+n>>0]=p;n=n+1|0;a[f+n>>0]=0;q=o+1|0;p=a[q>>0]|0;r=p<<24>>24;if(!(p<<24>>24==95|((r+-48|0)>>>0<10|((r&-33)+-65|0)>>>0<26)))break;else o=q}if(a[f>>0]|0){yo(b,f);p=a[q>>0]|0;if(p<<24>>24==58)s=(a[o+2>>0]|0)==58;else s=0;n=q;m=p;c:while(1){switch(m<<24>>24){case 58:case 32:break;default:break c}p=n+1|0;n=p;m=a[p>>0]|0}o=m<<24>>24==0;if(!s){if(o)break b;c[i>>2]=np(c[i>>2]|0,(c[j>>2]<<2)+4|0)|0;p=mp((Ms(n)|0)+1|0)|0;l=c[j>>2]|0;c[(c[i>>2]|0)+(l<<2)>>2]=p;rm(c[(c[i>>2]|0)+(l<<2)>>2]|0,n)|0;c[j>>2]=(c[j>>2]|0)+1;break b}if(!o){o=n;while(1){a[f>>0]=0;l=o;while(1){t=a[l>>0]|0;if(t<<24>>24==32)l=l+1|0;else break}p=0;r=l;u=t;d:while(1){switch(u<<24>>24){case 32:case 0:{break d;break}default:{}}a[f+p>>0]=u;v=p+1|0;a[f+v>>0]=0;w=r+1|0;p=v;r=w;u=a[w>>0]|0}if(!(a[f>>0]|0))x=u;else{c[i>>2]=np(c[i>>2]|0,(c[j>>2]<<2)+4|0)|0;p=mp((Ms(f)|0)+1|0)|0;l=c[j>>2]|0;c[(c[i>>2]|0)+(l<<2)>>2]=p;rm(c[(c[i>>2]|0)+(l<<2)>>2]|0,f)|0;c[j>>2]=(c[j>>2]|0)+1;x=a[r>>0]|0}if(!(x<<24>>24))break;else o=r}}}}}}while(0);if(Dn(g)|0)break a}}while(0);Gn(g);c[515541]=(c[515541]|0)+1;h=b;Ga=d;return h|0}function Co(a){a=a|0;var b=0;b=kp(11032)|0;c[b>>2]=a<<2;c[515541]=(c[515541]|0)+1;return b|0}function Do(a){a=a|0;if(!a)return;Eo(a);op(a);c[515541]=(c[515541]|0)+-1;return}function Eo(a){a=a|0;var b=0;b=a+11016|0;Np(c[b>>2]|0);Mp(c[b>>2]|0);c[b>>2]=0;b=a+344|0;op(c[b>>2]|0);c[b>>2]=0;b=a+688|0;op(c[b>>2]|0);c[b>>2]=0;b=a+1032|0;op(c[b>>2]|0);c[b>>2]=0;b=a+1376|0;op(c[b>>2]|0);c[b>>2]=0;b=a+1720|0;op(c[b>>2]|0);c[b>>2]=0;b=a+2064|0;op(c[b>>2]|0);c[b>>2]=0;b=a+2408|0;op(c[b>>2]|0);c[b>>2]=0;b=a+2752|0;op(c[b>>2]|0);c[b>>2]=0;b=a+3096|0;op(c[b>>2]|0);c[b>>2]=0;b=a+3440|0;op(c[b>>2]|0);c[b>>2]=0;b=a+3784|0;op(c[b>>2]|0);c[b>>2]=0;b=a+4128|0;op(c[b>>2]|0);c[b>>2]=0;b=a+4472|0;op(c[b>>2]|0);c[b>>2]=0;b=a+4816|0;op(c[b>>2]|0);c[b>>2]=0;b=a+5160|0;op(c[b>>2]|0);c[b>>2]=0;b=a+5504|0;op(c[b>>2]|0);c[b>>2]=0;b=a+5848|0;op(c[b>>2]|0);c[b>>2]=0;b=a+6192|0;op(c[b>>2]|0);c[b>>2]=0;b=a+6536|0;op(c[b>>2]|0);c[b>>2]=0;b=a+6880|0;op(c[b>>2]|0);c[b>>2]=0;b=a+7224|0;op(c[b>>2]|0);c[b>>2]=0;b=a+7568|0;op(c[b>>2]|0);c[b>>2]=0;b=a+7912|0;op(c[b>>2]|0);c[b>>2]=0;b=a+8256|0;op(c[b>>2]|0);c[b>>2]=0;b=a+8600|0;op(c[b>>2]|0);c[b>>2]=0;b=a+8944|0;op(c[b>>2]|0);c[b>>2]=0;b=a+9288|0;op(c[b>>2]|0);c[b>>2]=0;b=a+9632|0;op(c[b>>2]|0);c[b>>2]=0;b=a+9976|0;op(c[b>>2]|0);c[b>>2]=0;b=a+10320|0;op(c[b>>2]|0);c[b>>2]=0;b=a+10664|0;op(c[b>>2]|0);c[b>>2]=0;b=a+11008|0;op(c[b>>2]|0);c[b>>2]=0;return}function Fo(b,e,f,g){b=b|0;e=e|0;f=f|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,fa=0,ga=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,fb=0,gb=0,hb=0,ib=0,jb=0,kb=0,lb=0,mb=0,nb=0,ob=0,pb=0,qb=0,rb=0,sb=0,tb=0;h=Ga;Ga=Ga+144|0;i=h+88|0;j=h+44|0;k=h;l=f<<3;m=e+g|0;g=f+-2|0;e=f+-4|0;n=i+8|0;o=i+4|0;p=i+12|0;q=i+20|0;r=i+16|0;s=i+24|0;t=i+32|0;u=i+28|0;v=j+8|0;w=j+4|0;x=j+12|0;y=j+20|0;z=j+16|0;A=j+24|0;B=j+32|0;C=j+28|0;D=i+40|0;E=b+4|0;F=b+8|0;G=j+40|0;H=k+8|0;I=k+4|0;J=k+12|0;K=k+20|0;L=k+16|0;M=k+24|0;N=k+32|0;O=k+28|0;P=k+40|0;Q=k+36|0;R=i+36|0;S=j+36|0;T=0;U=0;a:while(1){V=U+2|0;if(V>>>0>=l>>>0){W=52;X=125;break}Y=d[m+(U>>>3)>>0]|0;Z=U&7;_=U+1|0;$=U+3|0;aa=((d[m+(V>>>3)

// EMSCRIPTEN_END_FUNCS
var Ja=[Pu,Hr,Ya,Za,Df,Hf,Bh,Ef,Gf,Ch,Dh,Eh,Fh,Gh,Hh,Kf,Cf,Jf,Ih,Jh,Kh,Lh,Mh,Nh,Oh,Ph,Qh,Rh,Sh,Th,Uh,Vh,Wh,Zf,Yf,_f,$f,Yh,Zh,_h,$h,ai,bi,ci,di,ei,fi,gi,hi,ii,ji,ki,li,mi,ni,oi,pi,qi,ri,si,ti,ui,vi,wi,xi,yi,zi,Ai,Bi,Ci,Di,Ei,Fi,Gi,Hi,Ii,Ji,Ki,Li,Mi,Ni,Oi,Pi,Qi,Ri,Si,Ti,Ui,Vi,Wi,Xi,Yi,Zi,_i,$i,aj,bj,cj,dj,ej,fj,gj,hj,ij,jj,kj,lj,mj,nj,oj,pj,qj,rj,sj,tj,uj,vj,wj,xj,yj,Xf,zj,Aj,Bj,xf,wf,yf,zf,Af,Bf,If,Sf,Cj,Uf,bg,ag,Vf,Dj,Ej,Fj,Gj,Hj,Ij,Jj,Kj,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu,Pu];var Ka=[Qu,sf,Gl,Qu];var La=[Ru,Nr,Jr,Fs,nf,Or,Ir,Ct];var Ma=[Su,ck];var Na=[Tu,zm];var Oa=[Uu,ab,Al,Bl,Vq,Uu,Uu,Uu];var Pa=[Vu,fm,Md,Qd,tf,ec,Of,Pf];var Qa=[Wu,_a,Uq,Wu];var Ra=[Xu];return{___divdi3:su,___emscripten_environ_constructor:ju,___errno_location:Lr,___muldi3:uu,___udivdi3:vu,__get_daylight:lu,__get_environ:nu,__get_timezone:mu,__get_tzname:ku,_bitshift64Ashr:wu,_bitshift64Lshr:xu,_bitshift64Shl:yu,_codo_mixer_callback:xp,_free:Cr,_i64Add:ou,_i64Subtract:pu,_llvm_bswap_i32:zu,_main:Db,_malloc:Br,_memcpy:Du,_memset:Eu,_mix_0:uq,_realloc:Er,_saveSetjmp:Au,_sbrk:Fu,_setThrew:Cu,_testSetjmp:Bu,dynCall_ii:Gu,dynCall_iii:Hu,dynCall_iiii:Iu,dynCall_iiiii:Ju,dynCall_v:Ku,dynCall_vi:Lu,dynCall_vii:Mu,dynCall_viii:Nu,dynCall_viiiii:Ou,establishStackSpace:Va,stackAlloc:Sa,stackRestore:Ua,stackSave:Ta}})


// EMSCRIPTEN_END_ASM
(asmGlobalArg, asmLibraryArg, buffer);

var ___divdi3 = Module["___divdi3"] = asm["___divdi3"];

var ___emscripten_environ_constructor = Module["___emscripten_environ_constructor"] = asm["___emscripten_environ_constructor"];

var ___errno_location = Module["___errno_location"] = asm["___errno_location"];

var ___muldi3 = Module["___muldi3"] = asm["___muldi3"];

var ___udivdi3 = Module["___udivdi3"] = asm["___udivdi3"];

var __get_daylight = Module["__get_daylight"] = asm["__get_daylight"];

var __get_environ = Module["__get_environ"] = asm["__get_environ"];

var __get_timezone = Module["__get_timezone"] = asm["__get_timezone"];

var __get_tzname = Module["__get_tzname"] = asm["__get_tzname"];

var _bitshift64Ashr = Module["_bitshift64Ashr"] = asm["_bitshift64Ashr"];

var _bitshift64Lshr = Module["_bitshift64Lshr"] = asm["_bitshift64Lshr"];

var _bitshift64Shl = Module["_bitshift64Shl"] = asm["_bitshift64Shl"];

var _codo_mixer_callback = Module["_codo_mixer_callback"] = asm["_codo_mixer_callback"];

var _free = Module["_free"] = asm["_free"];

var _i64Add = Module["_i64Add"] = asm["_i64Add"];

var _i64Subtract = Module["_i64Subtract"] = asm["_i64Subtract"];

var _llvm_bswap_i32 = Module["_llvm_bswap_i32"] = asm["_llvm_bswap_i32"];

var _main = Module["_main"] = asm["_main"];

var _malloc = Module["_malloc"] = asm["_malloc"];

var _memcpy = Module["_memcpy"] = asm["_memcpy"];

var _memset = Module["_memset"] = asm["_memset"];

var _mix_0 = Module["_mix_0"] = asm["_mix_0"];

var _realloc = Module["_realloc"] = asm["_realloc"];

var _saveSetjmp = Module["_saveSetjmp"] = asm["_saveSetjmp"];

var _sbrk = Module["_sbrk"] = asm["_sbrk"];

var _setThrew = Module["_setThrew"] = asm["_setThrew"];

var _testSetjmp = Module["_testSetjmp"] = asm["_testSetjmp"];

var establishStackSpace = Module["establishStackSpace"] = asm["establishStackSpace"];

var stackAlloc = Module["stackAlloc"] = asm["stackAlloc"];

var stackRestore = Module["stackRestore"] = asm["stackRestore"];

var stackSave = Module["stackSave"] = asm["stackSave"];

var dynCall_ii = Module["dynCall_ii"] = asm["dynCall_ii"];

var dynCall_iii = Module["dynCall_iii"] = asm["dynCall_iii"];

var dynCall_iiii = Module["dynCall_iiii"] = asm["dynCall_iiii"];

var dynCall_iiiii = Module["dynCall_iiiii"] = asm["dynCall_iiiii"];

var dynCall_v = Module["dynCall_v"] = asm["dynCall_v"];

var dynCall_vi = Module["dynCall_vi"] = asm["dynCall_vi"];

var dynCall_vii = Module["dynCall_vii"] = asm["dynCall_vii"];

var dynCall_viii = Module["dynCall_viii"] = asm["dynCall_viii"];

var dynCall_viiiii = Module["dynCall_viiiii"] = asm["dynCall_viiiii"];

Module["asm"] = asm;

Module["ccall"] = ccall;

Module["getValue"] = getValue;

Module["getMemory"] = getMemory;

Module["addRunDependency"] = addRunDependency;

Module["removeRunDependency"] = removeRunDependency;

Module["FS_createFolder"] = FS.createFolder;

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createLink"] = FS.createLink;

Module["FS_createDevice"] = FS.createDevice;

Module["FS_unlink"] = FS.unlink;

if (memoryInitializer) {
 if (!isDataURI(memoryInitializer)) {
  memoryInitializer = locateFile(memoryInitializer);
 }
 if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
  var data = Module["readBinary"](memoryInitializer);
  HEAPU8.set(data, GLOBAL_BASE);
 } else {
  addRunDependency("memory initializer");
  var applyMemoryInitializer = function(data) {
   if (data.byteLength) data = new Uint8Array(data);
   HEAPU8.set(data, GLOBAL_BASE);
   if (Module["memoryInitializerRequest"]) delete Module["memoryInitializerRequest"].response;
   removeRunDependency("memory initializer");
  };
  var doBrowserLoad = function() {
   Module["readAsync"](memoryInitializer, applyMemoryInitializer, function() {
    throw "could not load memory initializer " + memoryInitializer;
   });
  };
  var memoryInitializerBytes = tryParseAsDataURI(memoryInitializer);
  if (memoryInitializerBytes) {
   applyMemoryInitializer(memoryInitializerBytes.buffer);
  } else if (Module["memoryInitializerRequest"]) {
   var useRequest = function() {
    var request = Module["memoryInitializerRequest"];
    var response = request.response;
    if (request.status !== 200 && request.status !== 0) {
     var data = tryParseAsDataURI(Module["memoryInitializerRequestURL"]);
     if (data) {
      response = data.buffer;
     } else {
      console.warn("a problem seems to have happened with Module.memoryInitializerRequest, status: " + request.status + ", retrying " + memoryInitializer);
      doBrowserLoad();
      return;
     }
    }
    applyMemoryInitializer(response);
   };
   if (Module["memoryInitializerRequest"].response) {
    setTimeout(useRequest, 0);
   } else {
    Module["memoryInitializerRequest"].addEventListener("load", useRequest);
   }
  } else {
   doBrowserLoad();
  }
 }
}

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

ExitStatus.prototype = new Error();

ExitStatus.prototype.constructor = ExitStatus;

var calledMain = false;

dependenciesFulfilled = function runCaller() {
 if (!Module["calledRun"]) run();
 if (!Module["calledRun"]) dependenciesFulfilled = runCaller;
};

Module["callMain"] = function callMain(args) {
 args = args || [];
 ensureInitRuntime();
 var argc = args.length + 1;
 var argv = stackAlloc((argc + 1) * 4);
 HEAP32[argv >> 2] = allocateUTF8OnStack(Module["thisProgram"]);
 for (var i = 1; i < argc; i++) {
  HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
 }
 HEAP32[(argv >> 2) + argc] = 0;
 try {
  var ret = Module["_main"](argc, argv, 0);
  exit(ret, true);
 } catch (e) {
  if (e instanceof ExitStatus) {
   return;
  } else if (e == "SimulateInfiniteLoop") {
   Module["noExitRuntime"] = true;
   return;
  } else {
   var toLog = e;
   if (e && typeof e === "object" && e.stack) {
    toLog = [ e, e.stack ];
   }
   err("exception thrown: " + toLog);
   Module["quit"](1, e);
  }
 } finally {
  calledMain = true;
 }
};

function run(args) {
 args = args || Module["arguments"];
 if (runDependencies > 0) {
  return;
 }
 preRun();
 if (runDependencies > 0) return;
 if (Module["calledRun"]) return;
 function doRun() {
  if (Module["calledRun"]) return;
  Module["calledRun"] = true;
  if (ABORT) return;
  ensureInitRuntime();
  preMain();
  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
  if (Module["_main"] && shouldRunNow) Module["callMain"](args);
  postRun();
 }
 if (Module["setStatus"]) {
  Module["setStatus"]("Running...");
  setTimeout(function() {
   setTimeout(function() {
    Module["setStatus"]("");
   }, 1);
   doRun();
  }, 1);
 } else {
  doRun();
 }
}

Module["run"] = run;

function exit(status, implicit) {
 if (implicit && Module["noExitRuntime"] && status === 0) {
  return;
 }
 if (Module["noExitRuntime"]) {} else {
  ABORT = true;
  EXITSTATUS = status;
  exitRuntime();
  if (Module["onExit"]) Module["onExit"](status);
 }
 Module["quit"](status, new ExitStatus(status));
}

function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 if (what !== undefined) {
  out(what);
  err(what);
  what = JSON.stringify(what);
 } else {
  what = "";
 }
 ABORT = true;
 EXITSTATUS = 1;
 throw "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
}

Module["abort"] = abort;

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;
}

Module["noExitRuntime"] = true;

run();