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

var Module=typeof Godot!=="undefined"?Godot:{};var readyPromiseResolve,readyPromiseReject;Module["ready"]=new Promise(function(resolve,reject){readyPromiseResolve=resolve;readyPromiseReject=reject});var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var arguments_=[];var thisProgram="./this.program";var quit_=function(status,toThrow){throw toThrow};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 process.versions==="object"&&typeof process.versions.node==="string";ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!=="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(_scriptDir){scriptDirectory=_scriptDir}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=function(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=function(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=function(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=function(title){document.title=title}}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var STACK_ALIGN=16;function alignMemory(size,factor){if(!factor)factor=STACK_ALIGN;return Math.ceil(size/factor)*factor}function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;err(text)}}var tempRet0=0;var setTempRet0=function(value){tempRet0=value};var getTempRet0=function(){return tempRet0};var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||false;if(typeof WebAssembly!=="object"){abort("no native wasm support detected")}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)}}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 wasmMemory;var ABORT=false;var EXITSTATUS;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 cwrap(ident,returnType,argTypes,opts){argTypes=argTypes||[];var numericArgs=argTypes.every(function(type){return type==="number"});var numericRet=returnType!=="string";if(numericRet&&numericArgs&&!opts){return getCFunc(ident)}return function(){return ccall(ident,returnType,argTypes,arguments,opts)}}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(heap,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heap[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heap.subarray&&UTF8Decoder){return UTF8Decoder.decode(heap.subarray(idx,endPtr))}else{var str="";while(idx<endPtr){var u0=heap[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heap[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heap[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|heap[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,heap,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx}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}function allocateUTF8(str){var size=lengthBytesUTF8(str)+1;var ret=_malloc(size);if(ret)stringToUTF8Array(str,HEAP8,ret,size);return ret}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 alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBufferAndViews(buf){buffer=buf;Module["HEAP8"]=HEAP8=new Int8Array(buf);Module["HEAP16"]=HEAP16=new Int16Array(buf);Module["HEAP32"]=HEAP32=new Int32Array(buf);Module["HEAPU8"]=HEAPU8=new Uint8Array(buf);Module["HEAPU16"]=HEAPU16=new Uint16Array(buf);Module["HEAPU32"]=HEAPU32=new Uint32Array(buf);Module["HEAPF32"]=HEAPF32=new Float32Array(buf);Module["HEAPF64"]=HEAPF64=new Float64Array(buf)}var INITIAL_MEMORY=Module["INITIAL_MEMORY"]||16777216;var wasmTable;var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATEXIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;__ATINIT__.push({func:function(){___wasm_call_ctors()}});function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();TTY.init();SOCKFS.root=FS.mount(SOCKFS,{},null);callRuntimeCallbacks(__ATINIT__)}function preMain(){FS.ignorePermissions=false;callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){callRuntimeCallbacks(__ATEXIT__);FS.quit();TTY.shutdown();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 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"]={};function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what+="";err(what);ABORT=true;EXITSTATUS=1;what="abort("+what+"). Build with -s ASSERTIONS=1 for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}function hasPrefix(str,prefix){return String.prototype.startsWith?str.startsWith(prefix):str.indexOf(prefix)===0}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return hasPrefix(filename,dataURIPrefix)}var wasmBinaryFile="godot.javascript.opt.debug.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(file){try{if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}else{throw"both async and sync fetching of the wasm failed"}}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch==="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary(wasmBinaryFile)})}}return Promise.resolve().then(function(){return getBinary(wasmBinaryFile)})}function createWasm(){var info={"a":asmLibraryArg};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;wasmMemory=Module["asm"]["Yj"];updateGlobalBufferAndViews(wasmMemory.buffer);wasmTable=Module["asm"]["qk"];removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiatedSource(output){receiveInstance(output["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiatedSource,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiatedSource)})})}else{return instantiateArrayBuffer(receiveInstantiatedSource)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);return false}}instantiateAsync().catch(readyPromiseReject);return{}}var tempDouble;var tempI64;var ASM_CONSTS={1800948:function($0,$1,$2,$3){GLctx.getBufferSubData($0,$1,HEAPU8,$2,$3)}};function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback(Module);continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){wasmTable.get(func)()}else{wasmTable.get(func)(callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}function ___assert_fail(condition,filename,line,func){abort("Assertion failed: "+UTF8ToString(condition)+", at: "+[filename?UTF8ToString(filename):"unknown filename",line,func?UTF8ToString(func):"unknown function"])}function _atexit(func,arg){__ATEXIT__.unshift({func:func,arg:arg})}function ___cxa_atexit(a0,a1){return _atexit(a0,a1)}var PATH={splitPath:function(filename){var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;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"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");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)}};function getRandomDevice(){if(typeof crypto==="object"&&typeof crypto["getRandomValues"]==="function"){var randomBuffer=new Uint8Array(1);return function(){crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else return function(){abort("randomDevice")}}var PATH_FS={resolve:function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:function(from,to){from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")}};var TTY={ttys:[],init:function(){},shutdown:function(){},register:function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open:function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close:function(stream){stream.tty.ops.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(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.timestamp=Date.now()}return i}},default_tty_ops:{get_char:function(tty){if(!tty.input.length){var result=null;if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()},put_char:function(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},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=[]}}}};function mmapAlloc(size){var alignedSize=alignMemory(size,16384);var ptr=_malloc(alignedSize);while(size<alignedSize)HEAP8[ptr+size++]=0;return ptr}var MEMFS={ops_table:null,mount:function(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode:function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray:function(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage:function(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage:function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr:function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr:function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup:function(parent,name){throw FS.genericErrors[44]},mknod:function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename:function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp;old_node.parent=new_dir},unlink:function(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir:function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir:function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries},symlink:function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink:function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read:function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);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(buffer.buffer===HEAP8.buffer){canOwn=false}if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray){node.contents.set(buffer.subarray(offset,offset+length),position)}else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek:function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate:function(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},mmap:function(stream,address,length,position,prot,flags){if(address!==0){throw new FS.ErrnoError(28)}if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents.buffer===buffer){allocated=false;ptr=contents.byteOffset}else{if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}allocated=true;ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}HEAP8.set(contents,ptr)}return{ptr:ptr,allocated:allocated}},msync:function(stream,buffer,offset,length,mmapFlags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}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.mkdirTree(path,entry["mode"])}else if(FS.isFile(entry["mode"])){FS.writeFile(path,entry["contents"],{canOwn:true})}else{return callback(new Error("node type not supported"))}FS.chmod(path,entry["mode"]);FS.utime(path,entry["timestamp"],entry["timestamp"])}catch(e){return callback(e)}callback(null)},removeLocalEntry: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"].getTime()!=e2["timestamp"].getTime()){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 db=src.type==="remote"?src.db:dst.db;var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readwrite");var store=transaction.objectStore(IDBFS.DB_STORE_NAME);function done(err){if(err&&!errored){errored=true;return callback(err)}}transaction.onerror=function(e){done(this.error);e.preventDefault()};transaction.oncomplete=function(e){if(!errored){callback(null)}};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 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,lookupPath:function(path,opts){path=PATH_FS.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(32)}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_FS.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(32)}}}}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 errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:function(parent,name,mode,rdev){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,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},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 2}else if(perms.indexOf("w")!==-1&&!(node.mode&146)){return 2}else if(perms.indexOf("x")!==-1&&!(node.mode&73)){return 2}return 0},mayLookup:function(dir){var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:function(dir,name){try{var node=FS.lookupNode(dir,name);return 20}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 errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:function(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd: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(33)},getStream:function(fd){return FS.streams[fd]},createStream:function(stream,fd_start,fd_end){if(!FS.FSStream){FS.FSStream=function(){};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(70)}},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){err("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(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(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:function(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(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);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(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create: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!=20)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_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename: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;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}try{if(FS.trackingDelegate["willMovePath"]){FS.trackingDelegate["willMovePath"](old_path,new_path)}}catch(e){err("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){err("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 errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){err("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){err("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(54)}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 errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){err("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){err("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(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:function(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat: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(63)}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(8)}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(63)}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(8)}FS.chown(stream.node,uid,gid)},truncate:function(path,len){if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path==="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:function(fd,len){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime: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(44)}flags=typeof flags==="string"?FS.modeStringToFlags(flags):flags;mode=typeof mode==="undefined"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path==="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false},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;err("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){err("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: "+e.message)}return stream},close:function(stream){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:function(stream){return stream.fd===null},llseek:function(stream,offset,whence){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:function(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!=="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:function(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!=="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;try{if(stream.path&&FS.trackingDelegate["onWriteToFile"])FS.trackingDelegate["onWriteToFile"](stream.path)}catch(e){err("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(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:function(stream,address,length,position,prot,flags){if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,address,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(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:function(path,opts){opts=opts||{};opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile:function(path,data,opts){opts=opts||{};opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data==="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:function(){return FS.currentPath},chdir:function(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories: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=getRandomDevice();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");var proc_self=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(8);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",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},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"};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[44].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}},init:function(input,output,error){FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit: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},findObject:function(path,dontResolveLastLink){var ret=FS.analyzePath(path,dontResolveLastLink);if(ret.exists){return ret.object}else{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},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,577);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(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:function(stream,buffer,offset,length,pos){for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(29)}}if(length){stream.node.timestamp=Date.now()}return i}});return FS.mkdev(path,mode,dev)},forceLoadFile:function(obj){if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!=="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(read_){try{obj.contents=intArrayFromString(read_(obj.url),true);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}},createLazyFile: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;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!=="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._length}},chunkSize:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(function(key){var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){FS.forceLoadFile(node);return fn.apply(null,arguments)}});stream_ops.read=function stream_ops_read(stream,buffer,offset,length,position){FS.forceLoadFile(node);var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i<size;i++){buffer[offset+i]=contents[position+i]}}else{for(var i=0;i<size;i++){buffer[offset+i]=contents.get(position+i)}}return size};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_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}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(){out("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}};var SYSCALLS={mappings:{},DEFAULT_POLLMASK:5,umask:511,calculateAt:function(dirfd,path,allowEmpty){if(path[0]==="/"){return path}var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=FS.getStream(dirfd);if(!dirstream)throw new FS.ErrnoError(8);dir=dirstream.path}if(path.length==0){if(!allowEmpty){throw new FS.ErrnoError(44)}return dir}return PATH.join2(dir,path)},doStat:function(func,path,buf){try{var stat=func(path)}catch(e){if(e&&e.node&&PATH.normalize(path)!==PATH.normalize(FS.getPath(e.node))){return-54}throw e}HEAP32[buf>>2]=stat.dev;HEAP32[buf+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;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAP32[buf+48>>2]=4096;HEAP32[buf+52>>2]=stat.blocks;HEAP32[buf+56>>2]=stat.atime.getTime()/1e3|0;HEAP32[buf+60>>2]=0;HEAP32[buf+64>>2]=stat.mtime.getTime()/1e3|0;HEAP32[buf+68>>2]=0;HEAP32[buf+72>>2]=stat.ctime.getTime()/1e3|0;HEAP32[buf+76>>2]=0;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+80>>2]=tempI64[0],HEAP32[buf+84>>2]=tempI64[1];return 0},doMsync:function(addr,stream,len,flags,offset){var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,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-28}FS.mknod(path,mode,dev);return 0},doReadlink:function(path,buf,bufsize){if(bufsize<=0)return-28;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-28}var node;var lookup=FS.lookupPath(path,{follow:true});node=lookup.node;if(!node){return-44}var perms="";if(amode&4)perms+="r";if(amode&2)perms+="w";if(amode&1)perms+="x";if(perms&&FS.nodePermissions(node,perms)){return-2}return 0},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:undefined,get:function(){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(ptr){var ret=UTF8ToString(ptr);return ret},getStreamFromFD:function(fd){var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);return stream},get64:function(low,high){return low}};function ___sys__newselect(nfds,readfds,writefds,exceptfds,timeout){try{var total=0;var srcReadLow=readfds?HEAP32[readfds>>2]:0,srcReadHigh=readfds?HEAP32[readfds+4>>2]:0;var srcWriteLow=writefds?HEAP32[writefds>>2]:0,srcWriteHigh=writefds?HEAP32[writefds+4>>2]:0;var srcExceptLow=exceptfds?HEAP32[exceptfds>>2]:0,srcExceptHigh=exceptfds?HEAP32[exceptfds+4>>2]:0;var dstReadLow=0,dstReadHigh=0;var dstWriteLow=0,dstWriteHigh=0;var dstExceptLow=0,dstExceptHigh=0;var allLow=(readfds?HEAP32[readfds>>2]:0)|(writefds?HEAP32[writefds>>2]:0)|(exceptfds?HEAP32[exceptfds>>2]:0);var allHigh=(readfds?HEAP32[readfds+4>>2]:0)|(writefds?HEAP32[writefds+4>>2]:0)|(exceptfds?HEAP32[exceptfds+4>>2]:0);var check=function(fd,low,high,val){return fd<32?low&val:high&val};for(var fd=0;fd<nfds;fd++){var mask=1<<fd%32;if(!check(fd,allLow,allHigh,mask)){continue}var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var flags=SYSCALLS.DEFAULT_POLLMASK;if(stream.stream_ops.poll){flags=stream.stream_ops.poll(stream)}if(flags&1&&check(fd,srcReadLow,srcReadHigh,mask)){fd<32?dstReadLow=dstReadLow|mask:dstReadHigh=dstReadHigh|mask;total++}if(flags&4&&check(fd,srcWriteLow,srcWriteHigh,mask)){fd<32?dstWriteLow=dstWriteLow|mask:dstWriteHigh=dstWriteHigh|mask;total++}if(flags&2&&check(fd,srcExceptLow,srcExceptHigh,mask)){fd<32?dstExceptLow=dstExceptLow|mask:dstExceptHigh=dstExceptHigh|mask;total++}}if(readfds){HEAP32[readfds>>2]=dstReadLow;HEAP32[readfds+4>>2]=dstReadHigh}if(writefds){HEAP32[writefds>>2]=dstWriteLow;HEAP32[writefds+4>>2]=dstWriteHigh}if(exceptfds){HEAP32[exceptfds>>2]=dstExceptLow;HEAP32[exceptfds+4>>2]=dstExceptHigh}return total}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}var ERRNO_CODES={EPERM:63,ENOENT:44,ESRCH:71,EINTR:27,EIO:29,ENXIO:60,E2BIG:1,ENOEXEC:45,EBADF:8,ECHILD:12,EAGAIN:6,EWOULDBLOCK:6,ENOMEM:48,EACCES:2,EFAULT:21,ENOTBLK:105,EBUSY:10,EEXIST:20,EXDEV:75,ENODEV:43,ENOTDIR:54,EISDIR:31,EINVAL:28,ENFILE:41,EMFILE:33,ENOTTY:59,ETXTBSY:74,EFBIG:22,ENOSPC:51,ESPIPE:70,EROFS:69,EMLINK:34,EPIPE:64,EDOM:18,ERANGE:68,ENOMSG:49,EIDRM:24,ECHRNG:106,EL2NSYNC:156,EL3HLT:107,EL3RST:108,ELNRNG:109,EUNATCH:110,ENOCSI:111,EL2HLT:112,EDEADLK:16,ENOLCK:46,EBADE:113,EBADR:114,EXFULL:115,ENOANO:104,EBADRQC:103,EBADSLT:102,EDEADLOCK:16,EBFONT:101,ENOSTR:100,ENODATA:116,ETIME:117,ENOSR:118,ENONET:119,ENOPKG:120,EREMOTE:121,ENOLINK:47,EADV:122,ESRMNT:123,ECOMM:124,EPROTO:65,EMULTIHOP:36,EDOTDOT:125,EBADMSG:9,ENOTUNIQ:126,EBADFD:127,EREMCHG:128,ELIBACC:129,ELIBBAD:130,ELIBSCN:131,ELIBMAX:132,ELIBEXEC:133,ENOSYS:52,ENOTEMPTY:55,ENAMETOOLONG:37,ELOOP:32,EOPNOTSUPP:138,EPFNOSUPPORT:139,ECONNRESET:15,ENOBUFS:42,EAFNOSUPPORT:5,EPROTOTYPE:67,ENOTSOCK:57,ENOPROTOOPT:50,ESHUTDOWN:140,ECONNREFUSED:14,EADDRINUSE:3,ECONNABORTED:13,ENETUNREACH:40,ENETDOWN:38,ETIMEDOUT:73,EHOSTDOWN:142,EHOSTUNREACH:23,EINPROGRESS:26,EALREADY:7,EDESTADDRREQ:17,EMSGSIZE:35,EPROTONOSUPPORT:66,ESOCKTNOSUPPORT:137,EADDRNOTAVAIL:4,ENETRESET:39,EISCONN:30,ENOTCONN:53,ETOOMANYREFS:141,EUSERS:136,EDQUOT:19,ESTALE:72,ENOTSUP:138,ENOMEDIUM:148,EILSEQ:25,EOVERFLOW:61,ECANCELED:11,ENOTRECOVERABLE:56,EOWNERDEAD:62,ESTRPIPE:135};var SOCKFS={mount:function(mount){Module["websocket"]=Module["websocket"]&&"object"===typeof Module["websocket"]?Module["websocket"]:{};Module["websocket"]._callbacks={};Module["websocket"]["on"]=function(event,callback){if("function"===typeof callback){this._callbacks[event]=callback}return this};Module["websocket"].emit=function(event,param){if("function"===typeof this._callbacks[event]){this._callbacks[event].call(this,param)}};return FS.createNode(null,"/",16384|511,0)},createSocket:function(family,type,protocol){type&=~526336;var streaming=type==1;if(protocol){assert(streaming==(protocol==6))}var sock={family:family,type:type,protocol:protocol,server:null,error:null,peers:{},pending:[],recv_queue:[],sock_ops:SOCKFS.websocket_sock_ops};var name=SOCKFS.nextname();var node=FS.createNode(SOCKFS.root,name,49152,0);node.sock=sock;var stream=FS.createStream({path:name,node:node,flags:2,seekable:false,stream_ops:SOCKFS.stream_ops});sock.stream=stream;return sock},getSocket:function(fd){var stream=FS.getStream(fd);if(!stream||!FS.isSocket(stream.node.mode)){return null}return stream.node.sock},stream_ops:{poll:function(stream){var sock=stream.node.sock;return sock.sock_ops.poll(sock)},ioctl:function(stream,request,varargs){var sock=stream.node.sock;return sock.sock_ops.ioctl(sock,request,varargs)},read:function(stream,buffer,offset,length,position){var sock=stream.node.sock;var msg=sock.sock_ops.recvmsg(sock,length);if(!msg){return 0}buffer.set(msg.buffer,offset);return msg.buffer.length},write:function(stream,buffer,offset,length,position){var sock=stream.node.sock;return sock.sock_ops.sendmsg(sock,buffer,offset,length)},close:function(stream){var sock=stream.node.sock;sock.sock_ops.close(sock)}},nextname:function(){if(!SOCKFS.nextname.current){SOCKFS.nextname.current=0}return"socket["+SOCKFS.nextname.current+++"]"},websocket_sock_ops:{createPeer:function(sock,addr,port){var ws;if(typeof addr==="object"){ws=addr;addr=null;port=null}if(ws){if(ws._socket){addr=ws._socket.remoteAddress;port=ws._socket.remotePort}else{var result=/ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);if(!result){throw new Error("WebSocket URL must be in the format ws(s)://address:port")}addr=result[1];port=parseInt(result[2],10)}}else{try{var runtimeConfig=Module["websocket"]&&"object"===typeof Module["websocket"];var url="ws:#".replace("#","//");if(runtimeConfig){if("string"===typeof Module["websocket"]["url"]){url=Module["websocket"]["url"]}}if(url==="ws://"||url==="wss://"){var parts=addr.split("/");url=url+parts[0]+":"+port+"/"+parts.slice(1).join("/")}var subProtocols="binary";if(runtimeConfig){if("string"===typeof Module["websocket"]["subprotocol"]){subProtocols=Module["websocket"]["subprotocol"]}}var opts=undefined;if(subProtocols!=="null"){subProtocols=subProtocols.replace(/^ +| +$/g,"").split(/ *, */);opts=ENVIRONMENT_IS_NODE?{"protocol":subProtocols.toString()}:subProtocols}if(runtimeConfig&&null===Module["websocket"]["subprotocol"]){subProtocols="null";opts=undefined}var WebSocketConstructor;{WebSocketConstructor=WebSocket}ws=new WebSocketConstructor(url,opts);ws.binaryType="arraybuffer"}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EHOSTUNREACH)}}var peer={addr:addr,port:port,socket:ws,dgram_send_queue:[]};SOCKFS.websocket_sock_ops.addPeer(sock,peer);SOCKFS.websocket_sock_ops.handlePeerEvents(sock,peer);if(sock.type===2&&typeof sock.sport!=="undefined"){peer.dgram_send_queue.push(new Uint8Array([255,255,255,255,"p".charCodeAt(0),"o".charCodeAt(0),"r".charCodeAt(0),"t".charCodeAt(0),(sock.sport&65280)>>8,sock.sport&255]))}return peer},getPeer:function(sock,addr,port){return sock.peers[addr+":"+port]},addPeer:function(sock,peer){sock.peers[peer.addr+":"+peer.port]=peer},removePeer:function(sock,peer){delete sock.peers[peer.addr+":"+peer.port]},handlePeerEvents:function(sock,peer){var first=true;var handleOpen=function(){Module["websocket"].emit("open",sock.stream.fd);try{var queued=peer.dgram_send_queue.shift();while(queued){peer.socket.send(queued);queued=peer.dgram_send_queue.shift()}}catch(e){peer.socket.close()}};function handleMessage(data){if(typeof data==="string"){var encoder=new TextEncoder;data=encoder.encode(data)}else{assert(data.byteLength!==undefined);if(data.byteLength==0){return}else{data=new Uint8Array(data)}}var wasfirst=first;first=false;if(wasfirst&&data.length===10&&data[0]===255&&data[1]===255&&data[2]===255&&data[3]===255&&data[4]==="p".charCodeAt(0)&&data[5]==="o".charCodeAt(0)&&data[6]==="r".charCodeAt(0)&&data[7]==="t".charCodeAt(0)){var newport=data[8]<<8|data[9];SOCKFS.websocket_sock_ops.removePeer(sock,peer);peer.port=newport;SOCKFS.websocket_sock_ops.addPeer(sock,peer);return}sock.recv_queue.push({addr:peer.addr,port:peer.port,data:data});Module["websocket"].emit("message",sock.stream.fd)}if(ENVIRONMENT_IS_NODE){peer.socket.on("open",handleOpen);peer.socket.on("message",function(data,flags){if(!flags.binary){return}handleMessage(new Uint8Array(data).buffer)});peer.socket.on("close",function(){Module["websocket"].emit("close",sock.stream.fd)});peer.socket.on("error",function(error){sock.error=ERRNO_CODES.ECONNREFUSED;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])})}else{peer.socket.onopen=handleOpen;peer.socket.onclose=function(){Module["websocket"].emit("close",sock.stream.fd)};peer.socket.onmessage=function peer_socket_onmessage(event){handleMessage(event.data)};peer.socket.onerror=function(error){sock.error=ERRNO_CODES.ECONNREFUSED;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])}}},poll:function(sock){if(sock.type===1&&sock.server){return sock.pending.length?64|1:0}var mask=0;var dest=sock.type===1?SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport):null;if(sock.recv_queue.length||!dest||dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=64|1}if(!dest||dest&&dest.socket.readyState===dest.socket.OPEN){mask|=4}if(dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=16}return mask},ioctl:function(sock,request,arg){switch(request){case 21531:var bytes=0;if(sock.recv_queue.length){bytes=sock.recv_queue[0].data.length}HEAP32[arg>>2]=bytes;return 0;default:return ERRNO_CODES.EINVAL}},close:function(sock){if(sock.server){try{sock.server.close()}catch(e){}sock.server=null}var peers=Object.keys(sock.peers);for(var i=0;i<peers.length;i++){var peer=sock.peers[peers[i]];try{peer.socket.close()}catch(e){}SOCKFS.websocket_sock_ops.removePeer(sock,peer)}return 0},bind:function(sock,addr,port){if(typeof sock.saddr!=="undefined"||typeof sock.sport!=="undefined"){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}sock.saddr=addr;sock.sport=port;if(sock.type===2){if(sock.server){sock.server.close();sock.server=null}try{sock.sock_ops.listen(sock,0)}catch(e){if(!(e instanceof FS.ErrnoError))throw e;if(e.errno!==ERRNO_CODES.EOPNOTSUPP)throw e}}},connect:function(sock,addr,port){if(sock.server){throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP)}if(typeof sock.daddr!=="undefined"&&typeof sock.dport!=="undefined"){var dest=SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport);if(dest){if(dest.socket.readyState===dest.socket.CONNECTING){throw new FS.ErrnoError(ERRNO_CODES.EALREADY)}else{throw new FS.ErrnoError(ERRNO_CODES.EISCONN)}}}var peer=SOCKFS.websocket_sock_ops.createPeer(sock,addr,port);sock.daddr=peer.addr;sock.dport=peer.port;throw new FS.ErrnoError(ERRNO_CODES.EINPROGRESS)},listen:function(sock,backlog){if(!ENVIRONMENT_IS_NODE){throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP)}},accept:function(listensock){if(!listensock.server){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var newsock=listensock.pending.shift();newsock.stream.flags=listensock.stream.flags;return newsock},getname:function(sock,peer){var addr,port;if(peer){if(sock.daddr===undefined||sock.dport===undefined){throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN)}addr=sock.daddr;port=sock.dport}else{addr=sock.saddr||0;port=sock.sport||0}return{addr:addr,port:port}},sendmsg:function(sock,buffer,offset,length,addr,port){if(sock.type===2){if(addr===undefined||port===undefined){addr=sock.daddr;port=sock.dport}if(addr===undefined||port===undefined){throw new FS.ErrnoError(ERRNO_CODES.EDESTADDRREQ)}}else{addr=sock.daddr;port=sock.dport}var dest=SOCKFS.websocket_sock_ops.getPeer(sock,addr,port);if(sock.type===1){if(!dest||dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN)}else if(dest.socket.readyState===dest.socket.CONNECTING){throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)}}if(ArrayBuffer.isView(buffer)){offset+=buffer.byteOffset;buffer=buffer.buffer}var data;data=buffer.slice(offset,offset+length);if(sock.type===2){if(!dest||dest.socket.readyState!==dest.socket.OPEN){if(!dest||dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){dest=SOCKFS.websocket_sock_ops.createPeer(sock,addr,port)}dest.dgram_send_queue.push(data);return length}}try{dest.socket.send(data);return length}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}},recvmsg:function(sock,length){if(sock.type===1&&sock.server){throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN)}var queued=sock.recv_queue.shift();if(!queued){if(sock.type===1){var dest=SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport);if(!dest){throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN)}else if(dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){return null}else{throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)}}else{throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)}}var queuedLength=queued.data.byteLength||queued.data.length;var queuedOffset=queued.data.byteOffset||0;var queuedBuffer=queued.data.buffer||queued.data;var bytesRead=Math.min(length,queuedLength);var res={buffer:new Uint8Array(queuedBuffer,queuedOffset,bytesRead),addr:queued.addr,port:queued.port};if(sock.type===1&&bytesRead<queuedLength){var bytesRemaining=queuedLength-bytesRead;queued.data=new Uint8Array(queuedBuffer,queuedOffset+bytesRead,bytesRemaining);sock.recv_queue.unshift(queued)}return res}}};function getSocketFromFD(fd){var socket=SOCKFS.getSocket(fd);if(!socket)throw new FS.ErrnoError(8);return socket}function setErrNo(value){HEAP32[___errno_location()>>2]=value;return value}function inetPton4(str){var b=str.split(".");for(var i=0;i<4;i++){var tmp=Number(b[i]);if(isNaN(tmp))return null;b[i]=tmp}return(b[0]|b[1]<<8|b[2]<<16|b[3]<<24)>>>0}function jstoi_q(str){return parseInt(str)}function inetPton6(str){var words;var w,offset,z;var valid6regx=/^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;var parts=[];if(!valid6regx.test(str)){return null}if(str==="::"){return[0,0,0,0,0,0,0,0]}if(str.indexOf("::")===0){str=str.replace("::","Z:")}else{str=str.replace("::",":Z:")}if(str.indexOf(".")>0){str=str.replace(new RegExp("[.]","g"),":");words=str.split(":");words[words.length-4]=jstoi_q(words[words.length-4])+jstoi_q(words[words.length-3])*256;words[words.length-3]=jstoi_q(words[words.length-2])+jstoi_q(words[words.length-1])*256;words=words.slice(0,words.length-2)}else{words=str.split(":")}offset=0;z=0;for(w=0;w<words.length;w++){if(typeof words[w]==="string"){if(words[w]==="Z"){for(z=0;z<8-words.length+1;z++){parts[w+z]=0}offset=z-1}else{parts[w+offset]=_htons(parseInt(words[w],16))}}else{parts[w+offset]=words[w]}}return[parts[1]<<16|parts[0],parts[3]<<16|parts[2],parts[5]<<16|parts[4],parts[7]<<16|parts[6]]}function writeSockaddr(sa,family,addr,port,addrlen){switch(family){case 2:addr=inetPton4(addr);if(addrlen){HEAP32[addrlen>>2]=16}HEAP16[sa>>1]=family;HEAP32[sa+4>>2]=addr;HEAP16[sa+2>>1]=_htons(port);tempI64=[0>>>0,(tempDouble=0,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[sa+8>>2]=tempI64[0],HEAP32[sa+12>>2]=tempI64[1];break;case 10:addr=inetPton6(addr);if(addrlen){HEAP32[addrlen>>2]=28}HEAP32[sa>>2]=family;HEAP32[sa+8>>2]=addr[0];HEAP32[sa+12>>2]=addr[1];HEAP32[sa+16>>2]=addr[2];HEAP32[sa+20>>2]=addr[3];HEAP16[sa+2>>1]=_htons(port);HEAP32[sa+4>>2]=0;HEAP32[sa+24>>2]=0;break;default:return 5}return 0}var DNS={address_map:{id:1,addrs:{},names:{}},lookup_name:function(name){var res=inetPton4(name);if(res!==null){return name}res=inetPton6(name);if(res!==null){return name}var addr;if(DNS.address_map.addrs[name]){addr=DNS.address_map.addrs[name]}else{var id=DNS.address_map.id++;assert(id<65535,"exceeded max address mappings of 65535");addr="172.29."+(id&255)+"."+(id&65280);DNS.address_map.names[addr]=name;DNS.address_map.addrs[name]=addr}return addr},lookup_addr:function(addr){if(DNS.address_map.names[addr]){return DNS.address_map.names[addr]}return null}};function ___sys_accept4(fd,addr,addrlen,flags){try{var sock=getSocketFromFD(fd);var newsock=sock.sock_ops.accept(sock);if(addr){var errno=writeSockaddr(addr,newsock.family,DNS.lookup_name(newsock.daddr),newsock.dport,addrlen)}return newsock.stream.fd}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_access(path,amode){try{path=SYSCALLS.getStr(path);return SYSCALLS.doAccess(path,amode)}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function inetNtop4(addr){return(addr&255)+"."+(addr>>8&255)+"."+(addr>>16&255)+"."+(addr>>24&255)}function inetNtop6(ints){var str="";var word=0;var longest=0;var lastzero=0;var zstart=0;var len=0;var i=0;var parts=[ints[0]&65535,ints[0]>>16,ints[1]&65535,ints[1]>>16,ints[2]&65535,ints[2]>>16,ints[3]&65535,ints[3]>>16];var hasipv4=true;var v4part="";for(i=0;i<5;i++){if(parts[i]!==0){hasipv4=false;break}}if(hasipv4){v4part=inetNtop4(parts[6]|parts[7]<<16);if(parts[5]===-1){str="::ffff:";str+=v4part;return str}if(parts[5]===0){str="::";if(v4part==="0.0.0.0")v4part="";if(v4part==="0.0.0.1")v4part="1";str+=v4part;return str}}for(word=0;word<8;word++){if(parts[word]===0){if(word-lastzero>1){len=0}lastzero=word;len++}if(len>longest){longest=len;zstart=word-longest+1}}for(word=0;word<8;word++){if(longest>1){if(parts[word]===0&&word>=zstart&&word<zstart+longest){if(word===zstart){str+=":";if(zstart===0)str+=":"}continue}}str+=Number(_ntohs(parts[word]&65535)).toString(16);str+=word<7?":":""}return str}function readSockaddr(sa,salen){var family=HEAP16[sa>>1];var port=_ntohs(HEAPU16[sa+2>>1]);var addr;switch(family){case 2:if(salen!==16){return{errno:28}}addr=HEAP32[sa+4>>2];addr=inetNtop4(addr);break;case 10:if(salen!==28){return{errno:28}}addr=[HEAP32[sa+8>>2],HEAP32[sa+12>>2],HEAP32[sa+16>>2],HEAP32[sa+20>>2]];addr=inetNtop6(addr);break;default:return{errno:5}}return{family:family,addr:addr,port:port}}function getSocketAddress(addrp,addrlen,allowNull){if(allowNull&&addrp===0)return null;var info=readSockaddr(addrp,addrlen);if(info.errno)throw new FS.ErrnoError(info.errno);info.addr=DNS.lookup_addr(info.addr)||info.addr;return info}function ___sys_bind(fd,addr,addrlen){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.bind(sock,info.addr,info.port);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_chdir(path){try{path=SYSCALLS.getStr(path);FS.chdir(path);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_chmod(path,mode){try{path=SYSCALLS.getStr(path);FS.chmod(path,mode);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_connect(fd,addr,addrlen){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.connect(sock,info.addr,info.port);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-28}var newStream;newStream=FS.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-28;case 9:setErrNo(28);return-1;default:{return-28}}}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_getcwd(buf,size){try{if(size===0)return-28;var cwd=FS.cwd();var cwdLengthInBytes=lengthBytesUTF8(cwd);if(size<cwdLengthInBytes+1)return-68;stringToUTF8(cwd,buf,size);return buf}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_getdents64(fd,dirp,count){try{var stream=SYSCALLS.getStreamFromFD(fd);if(!stream.getdents){stream.getdents=FS.readdir(stream.path)}var struct_size=280;var pos=0;var off=FS.llseek(stream,0,1);var idx=Math.floor(off/struct_size);while(idx<stream.getdents.length&&pos+struct_size<=count){var id;var type;var name=stream.getdents[idx];if(name[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}tempI64=[id>>>0,(tempDouble=id,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[dirp+pos>>2]=tempI64[0],HEAP32[dirp+pos+4>>2]=tempI64[1];tempI64=[(idx+1)*struct_size>>>0,(tempDouble=(idx+1)*struct_size,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[dirp+pos+8>>2]=tempI64[0],HEAP32[dirp+pos+12>>2]=tempI64[1];HEAP16[dirp+pos+16>>1]=280;HEAP8[dirp+pos+18>>0]=type;stringToUTF8(name,dirp+pos+19,256);pos+=struct_size;idx+=1}FS.llseek(stream,idx*struct_size,0);return pos}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_getpid(){return 42}function ___sys_getsockname(fd,addr,addrlen){try{err("__sys_getsockname "+fd);var sock=getSocketFromFD(fd);var errno=writeSockaddr(addr,sock.family,DNS.lookup_name(sock.saddr||"0.0.0.0"),sock.sport,addrlen);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_getsockopt(fd,level,optname,optval,optlen){try{var sock=getSocketFromFD(fd);if(level===1){if(optname===4){HEAP32[optval>>2]=sock.error;HEAP32[optlen>>2]=4;sock.error=null;return 0}}return-50}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:case 21505:{if(!stream.tty)return-59;return 0}case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:{if(!stream.tty)return-59;return 0}case 21519:{if(!stream.tty)return-59;var argp=SYSCALLS.get();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=SYSCALLS.get();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;return 0}case 21524:{if(!stream.tty)return-59;return 0}default:abort("bad ioctl syscall "+op)}}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_listen(fd,backlog){try{var sock=getSocketFromFD(fd);sock.sock_ops.listen(sock,backlog);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_mkdir(path,mode){try{path=SYSCALLS.getStr(path);return SYSCALLS.doMkdir(path,mode)}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_open(path,flags,varargs){SYSCALLS.varargs=varargs;try{var pathname=SYSCALLS.getStr(path);var mode=varargs?SYSCALLS.get():0;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 ___sys_poll(fds,nfds,timeout){try{var nonzero=0;for(var i=0;i<nfds;i++){var pollfd=fds+8*i;var fd=HEAP32[pollfd>>2];var events=HEAP16[pollfd+4>>1];var mask=32;var stream=FS.getStream(fd);if(stream){mask=SYSCALLS.DEFAULT_POLLMASK;if(stream.stream_ops.poll){mask=stream.stream_ops.poll(stream)}}mask&=events|8|16;if(mask)nonzero++;HEAP16[pollfd+6>>1]=mask}return nonzero}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_recvfrom(fd,buf,len,flags,addr,addrlen){try{var sock=getSocketFromFD(fd);var msg=sock.sock_ops.recvmsg(sock,len);if(!msg)return 0;if(addr){var errno=writeSockaddr(addr,sock.family,DNS.lookup_name(msg.addr),msg.port,addrlen)}HEAPU8.set(msg.buffer,buf);return msg.buffer.byteLength}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_rename(old_path,new_path){try{old_path=SYSCALLS.getStr(old_path);new_path=SYSCALLS.getStr(new_path);FS.rename(old_path,new_path);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_rmdir(path){try{path=SYSCALLS.getStr(path);FS.rmdir(path);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_sendto(fd,message,length,flags,addr,addr_len){try{var sock=getSocketFromFD(fd);var dest=getSocketAddress(addr,addr_len,true);if(!dest){return FS.write(sock.stream,HEAP8,message,length)}else{return sock.sock_ops.sendmsg(sock,HEAP8,message,length,dest.addr,dest.port)}}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_setsockopt(fd){try{return-50}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_socket(domain,type,protocol){try{var sock=SOCKFS.createSocket(domain,type,protocol);return sock.stream.fd}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_stat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.stat,path,buf)}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_statfs64(path,size,buf){try{path=SYSCALLS.getStr(path);HEAP32[buf+4>>2]=4096;HEAP32[buf+40>>2]=4096;HEAP32[buf+8>>2]=1e6;HEAP32[buf+12>>2]=5e5;HEAP32[buf+16>>2]=5e5;HEAP32[buf+20>>2]=FS.nextInode;HEAP32[buf+24>>2]=1e6;HEAP32[buf+28>>2]=42;HEAP32[buf+44>>2]=2;HEAP32[buf+36>>2]=255;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_unlink(path){try{path=SYSCALLS.getStr(path);FS.unlink(path);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___sys_wait4(pid,wstart,options,rusage){try{return-52}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function _abort(){abort()}var _emscripten_get_now;_emscripten_get_now=function(){return performance.now()};var _emscripten_get_now_is_monotonic=true;function _clock_gettime(clk_id,tp){var now;if(clk_id===0){now=Date.now()}else if((clk_id===1||clk_id===4)&&_emscripten_get_now_is_monotonic){now=_emscripten_get_now()}else{setErrNo(28);return-1}HEAP32[tp>>2]=now/1e3|0;HEAP32[tp+4>>2]=now%1e3*1e3*1e3|0;return 0}function _dlclose(handle){abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking")}function _dlerror(){abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking")}function _dlopen(filename,flag){abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking")}function _dlsym(handle,symbol){abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking")}function _emscripten_asm_const_int(code,sigPtr,argbuf){var args=readAsmConstArgs(sigPtr,argbuf);return ASM_CONSTS[code].apply(null,args)}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_webgl_do_commit_frame(){if(!GL.currentContext||!GL.currentContext.GLctx){return-3}if(GL.currentContext.defaultFbo){GL.blitOffscreenFramebuffer(GL.currentContext);return 0}if(!GL.currentContext.attributes.explicitSwapControl){return-3}return 0}function _emscripten_webgl_commit_frame(){return _emscripten_webgl_do_commit_frame()}function setMainLoop(browserIterationFunc,fps,simulateInfiniteLoop,arg,noSetTiming){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=browserIterationFunc;Browser.mainLoop.arg=arg;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()}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"unwind"}}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;setMainLoop(func,0,false,Browser.mainLoop.arg,true);_emscripten_set_main_loop_timing(timingMode,timingValue);Browser.mainLoop.scheduler()},updateStatus:function(){if(Module["setStatus"]){var message=Module["statusMessage"]||"Please wait...";var remaining=Browser.mainLoop.remainingBlockers;var expected=Browser.mainLoop.expectedBlockers;if(remaining){if(remaining<expected){Module["setStatus"](message+" ("+(expected-remaining)+"/"+expected+")")}else{Module["setStatus"](message)}}else{Module["setStatus"]("")}}},runIter:function(func){if(ABORT)return;if(Module["preMainLoop"]){var preRet=Module["preMainLoop"]();if(preRet===false){return}}try{func()}catch(e){if(e instanceof ExitStatus){return}else if(e=="unwind"){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:typeof WebGL2RenderingContext!=="undefined"?2:1};if(webGLContextAttributes){for(var attribute in webGLContextAttributes){contextAttributes[attribute]=webGLContextAttributes[attribute]}}if(typeof GL!=="undefined"){contextHandle=GL.createContext(canvas,contextAttributes);if(contextHandle){ctx=GL.getContext(contextHandle).GLctx}}}else{ctx=canvas.getContext("2d")}if(!ctx)return null;if(setInModule){if(!useWebGL)assert(typeof GLctx==="undefined","cannot set in module if GLctx is used, but we are a non-GL context that would replace it");Module.ctx=ctx;if(useWebGL)GL.makeContextCurrent(contextHandle);Module.useWebGL=useWebGL;Browser.moduleContextCreatedCallbacks.forEach(function(callback){callback()});Browser.init()}return ctx},destroyContext:function(canvas,useWebGL,setInModule){},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer,resizeCanvas){Browser.lockPointer=lockPointer;Browser.resizeCanvas=resizeCanvas;if(typeof Browser.lockPointer==="undefined")Browser.lockPointer=true;if(typeof Browser.resizeCanvas==="undefined")Browser.resizeCanvas=false;var canvas=Module["canvas"];function fullscreenChange(){Browser.isFullscreen=false;var canvasContainer=canvas.parentNode;if((document["fullscreenElement"]||document["mozFullScreenElement"]||document["msFullscreenElement"]||document["webkitFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvasContainer){canvas.exitFullscreen=Browser.exitFullscreen;if(Browser.lockPointer)canvas.requestPointerLock();Browser.isFullscreen=true;if(Browser.resizeCanvas){Browser.setFullscreenCanvasSize()}else{Browser.updateCanvasDimensions(canvas)}}else{canvasContainer.parentNode.insertBefore(canvas,canvasContainer);canvasContainer.parentNode.removeChild(canvasContainer);if(Browser.resizeCanvas){Browser.setWindowedCanvasSize()}else{Browser.updateCanvasDimensions(canvas)}}if(Module["onFullScreen"])Module["onFullScreen"](Browser.isFullscreen);if(Module["onFullscreen"])Module["onFullscreen"](Browser.isFullscreen)}if(!Browser.fullscreenHandlersInstalled){Browser.fullscreenHandlersInstalled=true;document.addEventListener("fullscreenchange",fullscreenChange,false);document.addEventListener("mozfullscreenchange",fullscreenChange,false);document.addEventListener("webkitfullscreenchange",fullscreenChange,false);document.addEventListener("MSFullscreenChange",fullscreenChange,false)}var canvasContainer=document.createElement("div");canvas.parentNode.insertBefore(canvasContainer,canvas);canvasContainer.appendChild(canvas);canvasContainer.requestFullscreen=canvasContainer["requestFullscreen"]||canvasContainer["mozRequestFullScreen"]||canvasContainer["msRequestFullscreen"]||(canvasContainer["webkitRequestFullscreen"]?function(){canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"])}:null)||(canvasContainer["webkitRequestFullScreen"]?function(){canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"])}:null);canvasContainer.requestFullscreen()},exitFullscreen:function(){if(!Browser.isFullscreen){return false}var CFS=document["exitFullscreen"]||document["cancelFullScreen"]||document["mozCancelFullScreen"]||document["msExitFullscreen"]||document["webkitCancelFullScreen"]||function(){};CFS.apply(document,[]);return true},nextRAF:0,fakeRequestAnimationFrame:function(func){var now=Date.now();if(Browser.nextRAF===0){Browser.nextRAF=now+1e3/60}else{while(now+2>=Browser.nextRAF){Browser.nextRAF+=1e3/60}}var delay=Math.max(Browser.nextRAF-now,0);setTimeout(func,delay)},requestAnimationFrame:function(func){if(typeof requestAnimationFrame==="function"){requestAnimationFrame(func);return}var RAF=Browser.fakeRequestAnimationFrame;RAF(func)},safeRequestAnimationFrame:function(func){return Browser.requestAnimationFrame(function(){if(ABORT)return;func()})},safeSetTimeout:function(func,timeout){noExitRuntime=true;return setTimeout(function(){if(ABORT)return;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/3;break;case"mousewheel":delta=event.wheelDelta/120;break;case"wheel":delta=event.deltaY;switch(event.deltaMode){case 0:delta/=100;break;case 1:delta/=3;break;case 2:delta*=80;break;default:throw"unrecognized mouse wheel delta mode: "+event.deltaMode}break;default:throw"unrecognized mouse wheel event: "+event.type}return delta},mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function(event){if(Browser.pointerLock){if(event.type!="mousemove"&&"mozMovementX"in event){Browser.mouseMovementX=Browser.mouseMovementY=0}else{Browser.mouseMovementX=Browser.getMovementX(event);Browser.mouseMovementY=Browser.getMovementY(event)}if(typeof SDL!="undefined"){Browser.mouseX=SDL.mouseX+Browser.mouseMovementX;Browser.mouseY=SDL.mouseY+Browser.mouseMovementY}else{Browser.mouseX+=Browser.mouseMovementX;Browser.mouseY+=Browser.mouseMovementY}}else{var rect=Module["canvas"].getBoundingClientRect();var cw=Module["canvas"].width;var ch=Module["canvas"].height;var scrollX=typeof window.scrollX!=="undefined"?window.scrollX:window.pageXOffset;var scrollY=typeof window.scrollY!=="undefined"?window.scrollY:window.pageYOffset;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):"";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 _emscripten_cancel_main_loop(){Browser.mainLoop.pause();Browser.mainLoop.func=null}var JSEvents={inEventHandler:0,removeAllEventListeners:function(){for(var i=JSEvents.eventHandlers.length-1;i>=0;--i){JSEvents._removeHandler(i)}JSEvents.eventHandlers=[];JSEvents.deferredCalls=[]},registerRemoveEventListeners:function(){if(!JSEvents.removeEventListenersRegistered){__ATEXIT__.push(JSEvents.removeAllEventListeners);JSEvents.removeEventListenersRegistered=true}},deferredCalls:[],deferCall:function(targetFunction,precedence,argsList){function arraysHaveEqualContent(arrA,arrB){if(arrA.length!=arrB.length)return false;for(var i in arrA){if(arrA[i]!=arrB[i])return false}return true}for(var i in JSEvents.deferredCalls){var call=JSEvents.deferredCalls[i];if(call.targetFunction==targetFunction&&arraysHaveEqualContent(call.argsList,argsList)){return}}JSEvents.deferredCalls.push({targetFunction:targetFunction,precedence:precedence,argsList:argsList});JSEvents.deferredCalls.sort(function(x,y){return x.precedence<y.precedence})},removeDeferredCalls:function(targetFunction){for(var i=0;i<JSEvents.deferredCalls.length;++i){if(JSEvents.deferredCalls[i].targetFunction==targetFunction){JSEvents.deferredCalls.splice(i,1);--i}}},canPerformEventHandlerRequests:function(){return JSEvents.inEventHandler&&JSEvents.currentEventHandler.allowsDeferredCalls},runDeferredCalls:function(){if(!JSEvents.canPerformEventHandlerRequests()){return}for(var i=0;i<JSEvents.deferredCalls.length;++i){var call=JSEvents.deferredCalls[i];JSEvents.deferredCalls.splice(i,1);--i;call.targetFunction.apply(null,call.argsList)}},eventHandlers:[],removeAllHandlersOnTarget:function(target,eventTypeString){for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==target&&(!eventTypeString||eventTypeString==JSEvents.eventHandlers[i].eventTypeString)){JSEvents._removeHandler(i--)}}},_removeHandler:function(i){var h=JSEvents.eventHandlers[i];h.target.removeEventListener(h.eventTypeString,h.eventListenerFunc,h.useCapture);JSEvents.eventHandlers.splice(i,1)},registerOrRemoveHandler:function(eventHandler){var jsEventHandler=function jsEventHandler(event){++JSEvents.inEventHandler;JSEvents.currentEventHandler=eventHandler;JSEvents.runDeferredCalls();eventHandler.handlerFunc(event);JSEvents.runDeferredCalls();--JSEvents.inEventHandler};if(eventHandler.callbackfunc){eventHandler.eventListenerFunc=jsEventHandler;eventHandler.target.addEventListener(eventHandler.eventTypeString,jsEventHandler,eventHandler.useCapture);JSEvents.eventHandlers.push(eventHandler);JSEvents.registerRemoveEventListeners()}else{for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==eventHandler.target&&JSEvents.eventHandlers[i].eventTypeString==eventHandler.eventTypeString){JSEvents._removeHandler(i--)}}}},getNodeNameForTarget:function(target){if(!target)return"";if(target==window)return"#window";if(target==screen)return"#screen";return target&&target.nodeName?target.nodeName:""},fullscreenEnabled:function(){return document.fullscreenEnabled||document.webkitFullscreenEnabled}};function setLetterbox(element,topBottom,leftRight){element.style.paddingLeft=element.style.paddingRight=leftRight+"px";element.style.paddingTop=element.style.paddingBottom=topBottom+"px"}function hideEverythingExceptGivenElement(onlyVisibleElement){var child=onlyVisibleElement;var parent=child.parentNode;var hiddenElements=[];while(child!=document.body){var children=parent.children;for(var i=0;i<children.length;++i){if(children[i]!=child){hiddenElements.push({node:children[i],displayState:children[i].style.display});children[i].style.display="none"}}child=parent;parent=parent.parentNode}return hiddenElements}var restoreOldWindowedStyle=null;function maybeCStringToJsString(cString){return cString>2?UTF8ToString(cString):cString}var specialHTMLTargets=[0,typeof document!=="undefined"?document:0,typeof window!=="undefined"?window:0];function findEventTarget(target){target=maybeCStringToJsString(target);var domElement=specialHTMLTargets[target]||(typeof document!=="undefined"?document.querySelector(target):undefined);return domElement}function findCanvasEventTarget(target){return findEventTarget(target)}function _emscripten_get_canvas_element_size(target,width,height){var canvas=findCanvasEventTarget(target);if(!canvas)return-4;HEAP32[width>>2]=canvas.width;HEAP32[height>>2]=canvas.height}function getCanvasElementSize(target){var stackTop=stackSave();var w=stackAlloc(8);var h=w+4;var targetInt=stackAlloc(target.id.length+1);stringToUTF8(target.id,targetInt,target.id.length+1);var ret=_emscripten_get_canvas_element_size(targetInt,w,h);var size=[HEAP32[w>>2],HEAP32[h>>2]];stackRestore(stackTop);return size}function _emscripten_set_canvas_element_size(target,width,height){var canvas=findCanvasEventTarget(target);if(!canvas)return-4;canvas.width=width;canvas.height=height;if(canvas.GLctxObject)GL.resizeOffscreenFramebuffer(canvas.GLctxObject);return 0}function setCanvasElementSize(target,width,height){if(!target.controlTransferredOffscreen){target.width=width;target.height=height}else{var stackTop=stackSave();var targetInt=stackAlloc(target.id.length+1);stringToUTF8(target.id,targetInt,target.id.length+1);_emscripten_set_canvas_element_size(targetInt,width,height);stackRestore(stackTop)}}function registerRestoreOldStyle(canvas){var canvasSize=getCanvasElementSize(canvas);var oldWidth=canvasSize[0];var oldHeight=canvasSize[1];var oldCssWidth=canvas.style.width;var oldCssHeight=canvas.style.height;var oldBackgroundColor=canvas.style.backgroundColor;var oldDocumentBackgroundColor=document.body.style.backgroundColor;var oldPaddingLeft=canvas.style.paddingLeft;var oldPaddingRight=canvas.style.paddingRight;var oldPaddingTop=canvas.style.paddingTop;var oldPaddingBottom=canvas.style.paddingBottom;var oldMarginLeft=canvas.style.marginLeft;var oldMarginRight=canvas.style.marginRight;var oldMarginTop=canvas.style.marginTop;var oldMarginBottom=canvas.style.marginBottom;var oldDocumentBodyMargin=document.body.style.margin;var oldDocumentOverflow=document.documentElement.style.overflow;var oldDocumentScroll=document.body.scroll;var oldImageRendering=canvas.style.imageRendering;function restoreOldStyle(){var fullscreenElement=document.fullscreenElement||document.webkitFullscreenElement||document.msFullscreenElement;if(!fullscreenElement){document.removeEventListener("fullscreenchange",restoreOldStyle);document.removeEventListener("webkitfullscreenchange",restoreOldStyle);setCanvasElementSize(canvas,oldWidth,oldHeight);canvas.style.width=oldCssWidth;canvas.style.height=oldCssHeight;canvas.style.backgroundColor=oldBackgroundColor;if(!oldDocumentBackgroundColor)document.body.style.backgroundColor="white";document.body.style.backgroundColor=oldDocumentBackgroundColor;canvas.style.paddingLeft=oldPaddingLeft;canvas.style.paddingRight=oldPaddingRight;canvas.style.paddingTop=oldPaddingTop;canvas.style.paddingBottom=oldPaddingBottom;canvas.style.marginLeft=oldMarginLeft;canvas.style.marginRight=oldMarginRight;canvas.style.marginTop=oldMarginTop;canvas.style.marginBottom=oldMarginBottom;document.body.style.margin=oldDocumentBodyMargin;document.documentElement.style.overflow=oldDocumentOverflow;document.body.scroll=oldDocumentScroll;canvas.style.imageRendering=oldImageRendering;if(canvas.GLctxObject)canvas.GLctxObject.GLctx.viewport(0,0,oldWidth,oldHeight);if(currentFullscreenStrategy.canvasResizedCallback){wasmTable.get(currentFullscreenStrategy.canvasResizedCallback)(37,0,currentFullscreenStrategy.canvasResizedCallbackUserData)}}}document.addEventListener("fullscreenchange",restoreOldStyle);document.addEventListener("webkitfullscreenchange",restoreOldStyle);return restoreOldStyle}function restoreHiddenElements(hiddenElements){for(var i=0;i<hiddenElements.length;++i){hiddenElements[i].node.style.display=hiddenElements[i].displayState}}var currentFullscreenStrategy={};function softFullscreenResizeWebGLRenderTarget(){var dpr=devicePixelRatio;var inHiDPIFullscreenMode=currentFullscreenStrategy.canvasResolutionScaleMode==2;var inAspectRatioFixedFullscreenMode=currentFullscreenStrategy.scaleMode==2;var inPixelPerfectFullscreenMode=currentFullscreenStrategy.canvasResolutionScaleMode!=0;var inCenteredWithoutScalingFullscreenMode=currentFullscreenStrategy.scaleMode==3;var screenWidth=inHiDPIFullscreenMode?Math.round(innerWidth*dpr):innerWidth;var screenHeight=inHiDPIFullscreenMode?Math.round(innerHeight*dpr):innerHeight;var w=screenWidth;var h=screenHeight;var canvas=currentFullscreenStrategy.target;var canvasSize=getCanvasElementSize(canvas);var x=canvasSize[0];var y=canvasSize[1];var topMargin;if(inAspectRatioFixedFullscreenMode){if(w*y<x*h)h=w*y/x|0;else if(w*y>x*h)w=h*x/y|0;topMargin=(screenHeight-h)/2|0}if(inPixelPerfectFullscreenMode){setCanvasElementSize(canvas,w,h);if(canvas.GLctxObject)canvas.GLctxObject.GLctx.viewport(0,0,w,h)}if(inHiDPIFullscreenMode){topMargin/=dpr;w/=dpr;h/=dpr;w=Math.round(w*1e4)/1e4;h=Math.round(h*1e4)/1e4;topMargin=Math.round(topMargin*1e4)/1e4}if(inCenteredWithoutScalingFullscreenMode){var t=(innerHeight-jstoi_q(canvas.style.height))/2;var b=(innerWidth-jstoi_q(canvas.style.width))/2;setLetterbox(canvas,t,b)}else{canvas.style.width=w+"px";canvas.style.height=h+"px";var b=(innerWidth-w)/2;setLetterbox(canvas,topMargin,b)}if(!inCenteredWithoutScalingFullscreenMode&&currentFullscreenStrategy.canvasResizedCallback){wasmTable.get(currentFullscreenStrategy.canvasResizedCallback)(37,0,currentFullscreenStrategy.canvasResizedCallbackUserData)}}function getBoundingClientRect(e){return specialHTMLTargets.indexOf(e)<0?e.getBoundingClientRect():{"left":0,"top":0}}function _JSEvents_resizeCanvasForFullscreen(target,strategy){var restoreOldStyle=registerRestoreOldStyle(target);var cssWidth=strategy.softFullscreen?innerWidth:screen.width;var cssHeight=strategy.softFullscreen?innerHeight:screen.height;var rect=getBoundingClientRect(target);var windowedCssWidth=rect.width;var windowedCssHeight=rect.height;var canvasSize=getCanvasElementSize(target);var windowedRttWidth=canvasSize[0];var windowedRttHeight=canvasSize[1];if(strategy.scaleMode==3){setLetterbox(target,(cssHeight-windowedCssHeight)/2,(cssWidth-windowedCssWidth)/2);cssWidth=windowedCssWidth;cssHeight=windowedCssHeight}else if(strategy.scaleMode==2){if(cssWidth*windowedRttHeight<windowedRttWidth*cssHeight){var desiredCssHeight=windowedRttHeight*cssWidth/windowedRttWidth;setLetterbox(target,(cssHeight-desiredCssHeight)/2,0);cssHeight=desiredCssHeight}else{var desiredCssWidth=windowedRttWidth*cssHeight/windowedRttHeight;setLetterbox(target,0,(cssWidth-desiredCssWidth)/2);cssWidth=desiredCssWidth}}if(!target.style.backgroundColor)target.style.backgroundColor="black";if(!document.body.style.backgroundColor)document.body.style.backgroundColor="black";target.style.width=cssWidth+"px";target.style.height=cssHeight+"px";if(strategy.filteringMode==1){target.style.imageRendering="optimizeSpeed";target.style.imageRendering="-moz-crisp-edges";target.style.imageRendering="-o-crisp-edges";target.style.imageRendering="-webkit-optimize-contrast";target.style.imageRendering="optimize-contrast";target.style.imageRendering="crisp-edges";target.style.imageRendering="pixelated"}var dpiScale=strategy.canvasResolutionScaleMode==2?devicePixelRatio:1;if(strategy.canvasResolutionScaleMode!=0){var newWidth=cssWidth*dpiScale|0;var newHeight=cssHeight*dpiScale|0;setCanvasElementSize(target,newWidth,newHeight);if(target.GLctxObject)target.GLctxObject.GLctx.viewport(0,0,newWidth,newHeight)}return restoreOldStyle}function _emscripten_enter_soft_fullscreen(target,fullscreenStrategy){target=findEventTarget(target);if(!target)return-4;var strategy={scaleMode:HEAP32[fullscreenStrategy>>2],canvasResolutionScaleMode:HEAP32[fullscreenStrategy+4>>2],filteringMode:HEAP32[fullscreenStrategy+8>>2],canvasResizedCallback:HEAP32[fullscreenStrategy+12>>2],canvasResizedCallbackUserData:HEAP32[fullscreenStrategy+16>>2],target:target,softFullscreen:true};var restoreOldStyle=_JSEvents_resizeCanvasForFullscreen(target,strategy);document.documentElement.style.overflow="hidden";document.body.scroll="no";document.body.style.margin="0px";var hiddenElements=hideEverythingExceptGivenElement(target);function restoreWindowedState(){restoreOldStyle();restoreHiddenElements(hiddenElements);removeEventListener("resize",softFullscreenResizeWebGLRenderTarget);if(strategy.canvasResizedCallback){wasmTable.get(strategy.canvasResizedCallback)(37,0,strategy.canvasResizedCallbackUserData)}currentFullscreenStrategy=0}restoreOldWindowedStyle=restoreWindowedState;currentFullscreenStrategy=strategy;addEventListener("resize",softFullscreenResizeWebGLRenderTarget);if(strategy.canvasResizedCallback){wasmTable.get(strategy.canvasResizedCallback)(37,0,strategy.canvasResizedCallbackUserData)}return 0}function requestPointerLock(target){if(target.requestPointerLock){target.requestPointerLock()}else if(target.msRequestPointerLock){target.msRequestPointerLock()}else{if(document.body.requestPointerLock||document.body.msRequestPointerLock){return-3}else{return-1}}return 0}function _emscripten_exit_pointerlock(){JSEvents.removeDeferredCalls(requestPointerLock);if(document.exitPointerLock){document.exitPointerLock()}else if(document.msExitPointerLock){document.msExitPointerLock()}else{return-1}return 0}function _emscripten_exit_soft_fullscreen(){if(restoreOldWindowedStyle)restoreOldWindowedStyle();restoreOldWindowedStyle=null;return 0}function _emscripten_force_exit(status){noExitRuntime=false;exit(status)}function fillPointerlockChangeEventData(eventStruct){var pointerLockElement=document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement||document.msPointerLockElement;var isPointerlocked=!!pointerLockElement;HEAP32[eventStruct>>2]=isPointerlocked;var nodeName=JSEvents.getNodeNameForTarget(pointerLockElement);var id=pointerLockElement&&pointerLockElement.id?pointerLockElement.id:"";stringToUTF8(nodeName,eventStruct+4,128);stringToUTF8(id,eventStruct+132,128)}function _emscripten_get_pointerlock_status(pointerlockStatus){if(pointerlockStatus)fillPointerlockChangeEventData(pointerlockStatus);if(!document.body||!document.body.requestPointerLock&&!document.body.mozRequestPointerLock&&!document.body.webkitRequestPointerLock&&!document.body.msRequestPointerLock){return-1}return 0}function __webgl_enable_ANGLE_instanced_arrays(ctx){var ext=ctx.getExtension("ANGLE_instanced_arrays");if(ext){ctx["vertexAttribDivisor"]=function(index,divisor){ext["vertexAttribDivisorANGLE"](index,divisor)};ctx["drawArraysInstanced"]=function(mode,first,count,primcount){ext["drawArraysInstancedANGLE"](mode,first,count,primcount)};ctx["drawElementsInstanced"]=function(mode,count,type,indices,primcount){ext["drawElementsInstancedANGLE"](mode,count,type,indices,primcount)};return 1}}function __webgl_enable_OES_vertex_array_object(ctx){var ext=ctx.getExtension("OES_vertex_array_object");if(ext){ctx["createVertexArray"]=function(){return ext["createVertexArrayOES"]()};ctx["deleteVertexArray"]=function(vao){ext["deleteVertexArrayOES"](vao)};ctx["bindVertexArray"]=function(vao){ext["bindVertexArrayOES"](vao)};ctx["isVertexArray"]=function(vao){return ext["isVertexArrayOES"](vao)};return 1}}function __webgl_enable_WEBGL_draw_buffers(ctx){var ext=ctx.getExtension("WEBGL_draw_buffers");if(ext){ctx["drawBuffers"]=function(n,bufs){ext["drawBuffersWEBGL"](n,bufs)};return 1}}function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx){return!!(ctx.dibvbi=ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"))}function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx){return!!(ctx.mdibvbi=ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"))}function __webgl_enable_WEBGL_multi_draw(ctx){return!!(ctx.multiDrawWebgl=ctx.getExtension("WEBGL_multi_draw"))}var GL={counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],uniforms:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},timerQueriesEXT:[],queries:[],samplers:[],transformFeedbacks:[],syncs:[],programInfos:{},stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode){if(!GL.lastError){GL.lastError=errorCode}},getNewId:function(table){var ret=GL.counter++;for(var i=table.length;i<ret;i++){table[i]=null}return ret},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){if(webGLContextAttributes.renderViaOffscreenBackBuffer)webGLContextAttributes["preserveDrawingBuffer"]=true;var ctx=webGLContextAttributes.majorVersion>1?canvas.getContext("webgl2",webGLContextAttributes):canvas.getContext("webgl",webGLContextAttributes);if(!ctx)return 0;var handle=GL.registerContext(ctx,webGLContextAttributes);return handle},enableOffscreenFramebufferAttributes:function(webGLContextAttributes){webGLContextAttributes.renderViaOffscreenBackBuffer=true;webGLContextAttributes.preserveDrawingBuffer=true},createOffscreenFramebuffer:function(context){var gl=context.GLctx;var fbo=gl.createFramebuffer();gl.bindFramebuffer(36160,fbo);context.defaultFbo=fbo;context.defaultFboForbidBlitFramebuffer=false;if(gl.getContextAttributes().antialias){context.defaultFboForbidBlitFramebuffer=true}else{var firefoxMatch=navigator.userAgent.toLowerCase().match(/firefox\/(\d\d)/);if(firefoxMatch!=null){var firefoxVersion=firefoxMatch[1];context.defaultFboForbidBlitFramebuffer=firefoxVersion<67}}context.defaultColorTarget=gl.createTexture();context.defaultDepthTarget=gl.createRenderbuffer();GL.resizeOffscreenFramebuffer(context);gl.bindTexture(3553,context.defaultColorTarget);gl.texParameteri(3553,10241,9728);gl.texParameteri(3553,10240,9728);gl.texParameteri(3553,10242,33071);gl.texParameteri(3553,10243,33071);gl.texImage2D(3553,0,6408,gl.canvas.width,gl.canvas.height,0,6408,5121,null);gl.framebufferTexture2D(36160,36064,3553,context.defaultColorTarget,0);gl.bindTexture(3553,null);var depthTarget=gl.createRenderbuffer();gl.bindRenderbuffer(36161,context.defaultDepthTarget);gl.renderbufferStorage(36161,33189,gl.canvas.width,gl.canvas.height);gl.framebufferRenderbuffer(36160,36096,36161,context.defaultDepthTarget);gl.bindRenderbuffer(36161,null);var vertices=[-1,-1,-1,1,1,-1,1,1];var vb=gl.createBuffer();gl.bindBuffer(34962,vb);gl.bufferData(34962,new Float32Array(vertices),35044);gl.bindBuffer(34962,null);context.blitVB=vb;var vsCode="attribute vec2 pos;"+"varying lowp vec2 tex;"+"void main() { tex = pos * 0.5 + vec2(0.5,0.5); gl_Position = vec4(pos, 0.0, 1.0); }";var vs=gl.createShader(35633);gl.shaderSource(vs,vsCode);gl.compileShader(vs);var fsCode="varying lowp vec2 tex;"+"uniform sampler2D sampler;"+"void main() { gl_FragColor = texture2D(sampler, tex); }";var fs=gl.createShader(35632);gl.shaderSource(fs,fsCode);gl.compileShader(fs);var blitProgram=gl.createProgram();gl.attachShader(blitProgram,vs);gl.attachShader(blitProgram,fs);gl.linkProgram(blitProgram);context.blitProgram=blitProgram;context.blitPosLoc=gl.getAttribLocation(blitProgram,"pos");gl.useProgram(blitProgram);gl.uniform1i(gl.getUniformLocation(blitProgram,"sampler"),0);gl.useProgram(null);context.defaultVao=undefined;if(gl.createVertexArray){context.defaultVao=gl.createVertexArray();gl.bindVertexArray(context.defaultVao);gl.enableVertexAttribArray(context.blitPosLoc);gl.bindVertexArray(null)}},resizeOffscreenFramebuffer:function(context){var gl=context.GLctx;if(context.defaultColorTarget){var prevTextureBinding=gl.getParameter(32873);gl.bindTexture(3553,context.defaultColorTarget);gl.texImage2D(3553,0,6408,gl.drawingBufferWidth,gl.drawingBufferHeight,0,6408,5121,null);gl.bindTexture(3553,prevTextureBinding)}if(context.defaultDepthTarget){var prevRenderBufferBinding=gl.getParameter(36007);gl.bindRenderbuffer(36161,context.defaultDepthTarget);gl.renderbufferStorage(36161,33189,gl.drawingBufferWidth,gl.drawingBufferHeight);gl.bindRenderbuffer(36161,prevRenderBufferBinding)}},blitOffscreenFramebuffer:function(context){var gl=context.GLctx;var prevScissorTest=gl.getParameter(3089);if(prevScissorTest)gl.disable(3089);var prevFbo=gl.getParameter(36006);if(gl.blitFramebuffer&&!context.defaultFboForbidBlitFramebuffer){gl.bindFramebuffer(36008,context.defaultFbo);gl.bindFramebuffer(36009,null);gl.blitFramebuffer(0,0,gl.canvas.width,gl.canvas.height,0,0,gl.canvas.width,gl.canvas.height,16384,9728)}else{gl.bindFramebuffer(36160,null);var prevProgram=gl.getParameter(35725);gl.useProgram(context.blitProgram);var prevVB=gl.getParameter(34964);gl.bindBuffer(34962,context.blitVB);var prevActiveTexture=gl.getParameter(34016);gl.activeTexture(33984);var prevTextureBinding=gl.getParameter(32873);gl.bindTexture(3553,context.defaultColorTarget);var prevBlend=gl.getParameter(3042);if(prevBlend)gl.disable(3042);var prevCullFace=gl.getParameter(2884);if(prevCullFace)gl.disable(2884);var prevDepthTest=gl.getParameter(2929);if(prevDepthTest)gl.disable(2929);var prevStencilTest=gl.getParameter(2960);if(prevStencilTest)gl.disable(2960);function draw(){gl.vertexAttribPointer(context.blitPosLoc,2,5126,false,0,0);gl.drawArrays(5,0,4)}if(context.defaultVao){var prevVAO=gl.getParameter(34229);gl.bindVertexArray(context.defaultVao);draw();gl.bindVertexArray(prevVAO)}else{var prevVertexAttribPointer={buffer:gl.getVertexAttrib(context.blitPosLoc,34975),size:gl.getVertexAttrib(context.blitPosLoc,34339),stride:gl.getVertexAttrib(context.blitPosLoc,34340),type:gl.getVertexAttrib(context.blitPosLoc,34341),normalized:gl.getVertexAttrib(context.blitPosLoc,34922),pointer:gl.getVertexAttribOffset(context.blitPosLoc,34373)};var maxVertexAttribs=gl.getParameter(34921);var prevVertexAttribEnables=[];for(var i=0;i<maxVertexAttribs;++i){var prevEnabled=gl.getVertexAttrib(i,34338);var wantEnabled=i==context.blitPosLoc;if(prevEnabled&&!wantEnabled){gl.disableVertexAttribArray(i)}if(!prevEnabled&&wantEnabled){gl.enableVertexAttribArray(i)}prevVertexAttribEnables[i]=prevEnabled}draw();for(var i=0;i<maxVertexAttribs;++i){var prevEnabled=prevVertexAttribEnables[i];var nowEnabled=i==context.blitPosLoc;if(prevEnabled&&!nowEnabled){gl.enableVertexAttribArray(i)}if(!prevEnabled&&nowEnabled){gl.disableVertexAttribArray(i)}}gl.bindBuffer(34962,prevVertexAttribPointer.buffer);gl.vertexAttribPointer(context.blitPosLoc,prevVertexAttribPointer.size,prevVertexAttribPointer.type,prevVertexAttribPointer.normalized,prevVertexAttribPointer.stride,prevVertexAttribPointer.offset)}if(prevStencilTest)gl.enable(2960);if(prevDepthTest)gl.enable(2929);if(prevCullFace)gl.enable(2884);if(prevBlend)gl.enable(3042);gl.bindTexture(3553,prevTextureBinding);gl.activeTexture(prevActiveTexture);gl.bindBuffer(34962,prevVB);gl.useProgram(prevProgram)}gl.bindFramebuffer(36160,prevFbo);if(prevScissorTest)gl.enable(3089)},registerContext:function(ctx,webGLContextAttributes){var handle=GL.getNewId(GL.contexts);var context={handle:handle,attributes:webGLContextAttributes,version:webGLContextAttributes.majorVersion,GLctx:ctx};if(ctx.canvas)ctx.canvas.GLctxObject=context;GL.contexts[handle]=context;if(typeof webGLContextAttributes.enableExtensionsByDefault==="undefined"||webGLContextAttributes.enableExtensionsByDefault){GL.initExtensions(context)}if(webGLContextAttributes.renderViaOffscreenBackBuffer)GL.createOffscreenFramebuffer(context);return handle},makeContextCurrent:function(contextHandle){GL.currentContext=GL.contexts[contextHandle];Module.ctx=GLctx=GL.currentContext&&GL.currentContext.GLctx;return!(contextHandle&&!GLctx)},getContext:function(contextHandle){return GL.contexts[contextHandle]},deleteContext:function(contextHandle){if(GL.currentContext===GL.contexts[contextHandle])GL.currentContext=null;if(typeof JSEvents==="object")JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);if(GL.contexts[contextHandle]&&GL.contexts[contextHandle].GLctx.canvas)GL.contexts[contextHandle].GLctx.canvas.GLctxObject=undefined;GL.contexts[contextHandle]=null},initExtensions:function(context){if(!context)context=GL.currentContext;if(context.initExtensionsDone)return;context.initExtensionsDone=true;var GLctx=context.GLctx;__webgl_enable_ANGLE_instanced_arrays(GLctx);__webgl_enable_OES_vertex_array_object(GLctx);__webgl_enable_WEBGL_draw_buffers(GLctx);__webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);__webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query");__webgl_enable_WEBGL_multi_draw(GLctx);var exts=GLctx.getSupportedExtensions()||[];exts.forEach(function(ext){if(ext.indexOf("lose_context")<0&&ext.indexOf("debug")<0){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);if(name.slice(-1)=="]"){name=name.slice(0,name.lastIndexOf("["))}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 _emscripten_glActiveTexture(x0){GLctx["activeTexture"](x0)}function _emscripten_glAttachShader(program,shader){GLctx.attachShader(GL.programs[program],GL.shaders[shader])}function _emscripten_glBeginQuery(target,id){GLctx["beginQuery"](target,GL.queries[id])}function _emscripten_glBeginQueryEXT(target,id){GLctx.disjointTimerQueryExt["beginQueryEXT"](target,GL.timerQueriesEXT[id])}function _emscripten_glBeginTransformFeedback(x0){GLctx["beginTransformFeedback"](x0)}function _emscripten_glBindAttribLocation(program,index,name){GLctx.bindAttribLocation(GL.programs[program],index,UTF8ToString(name))}function _emscripten_glBindBuffer(target,buffer){if(target==35051){GLctx.currentPixelPackBufferBinding=buffer}else if(target==35052){GLctx.currentPixelUnpackBufferBinding=buffer}GLctx.bindBuffer(target,GL.buffers[buffer])}function _emscripten_glBindBufferBase(target,index,buffer){GLctx["bindBufferBase"](target,index,GL.buffers[buffer])}function _emscripten_glBindBufferRange(target,index,buffer,offset,ptrsize){GLctx["bindBufferRange"](target,index,GL.buffers[buffer],offset,ptrsize)}function _emscripten_glBindFramebuffer(target,framebuffer){GLctx.bindFramebuffer(target,framebuffer?GL.framebuffers[framebuffer]:GL.currentContext.defaultFbo)}function _emscripten_glBindRenderbuffer(target,renderbuffer){GLctx.bindRenderbuffer(target,GL.renderbuffers[renderbuffer])}function _emscripten_glBindSampler(unit,sampler){GLctx["bindSampler"](unit,GL.samplers[sampler])}function _emscripten_glBindTexture(target,texture){GLctx.bindTexture(target,GL.textures[texture])}function _emscripten_glBindTransformFeedback(target,id){GLctx["bindTransformFeedback"](target,GL.transformFeedbacks[id])}function _emscripten_glBindVertexArray(vao){GLctx["bindVertexArray"](GL.vaos[vao])}function _emscripten_glBindVertexArrayOES(vao){GLctx["bindVertexArray"](GL.vaos[vao])}function _emscripten_glBlendColor(x0,x1,x2,x3){GLctx["blendColor"](x0,x1,x2,x3)}function _emscripten_glBlendEquation(x0){GLctx["blendEquation"](x0)}function _emscripten_glBlendEquationSeparate(x0,x1){GLctx["blendEquationSeparate"](x0,x1)}function _emscripten_glBlendFunc(x0,x1){GLctx["blendFunc"](x0,x1)}function _emscripten_glBlendFuncSeparate(x0,x1,x2,x3){GLctx["blendFuncSeparate"](x0,x1,x2,x3)}function _emscripten_glBlitFramebuffer(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9){GLctx["blitFramebuffer"](x0,x1,x2,x3,x4,x5,x6,x7,x8,x9)}function _emscripten_glBufferData(target,size,data,usage){if(GL.currentContext.version>=2){if(data){GLctx.bufferData(target,HEAPU8,usage,data,size)}else{GLctx.bufferData(target,size,usage)}}else{GLctx.bufferData(target,data?HEAPU8.subarray(data,data+size):size,usage)}}function _emscripten_glBufferSubData(target,offset,size,data){if(GL.currentContext.version>=2){GLctx.bufferSubData(target,offset,HEAPU8,data,size);return}GLctx.bufferSubData(target,offset,HEAPU8.subarray(data,data+size))}function _emscripten_glCheckFramebufferStatus(x0){return GLctx["checkFramebufferStatus"](x0)}function _emscripten_glClear(x0){GLctx["clear"](x0)}function _emscripten_glClearBufferfi(x0,x1,x2,x3){GLctx["clearBufferfi"](x0,x1,x2,x3)}function _emscripten_glClearBufferfv(buffer,drawbuffer,value){GLctx["clearBufferfv"](buffer,drawbuffer,HEAPF32,value>>2)}function _emscripten_glClearBufferiv(buffer,drawbuffer,value){GLctx["clearBufferiv"](buffer,drawbuffer,HEAP32,value>>2)}function _emscripten_glClearBufferuiv(buffer,drawbuffer,value){GLctx["clearBufferuiv"](buffer,drawbuffer,HEAPU32,value>>2)}function _emscripten_glClearColor(x0,x1,x2,x3){GLctx["clearColor"](x0,x1,x2,x3)}function _emscripten_glClearDepthf(x0){GLctx["clearDepth"](x0)}function _emscripten_glClearStencil(x0){GLctx["clearStencil"](x0)}function convertI32PairToI53(lo,hi){return(lo>>>0)+hi*4294967296}function _emscripten_glClientWaitSync(sync,flags,timeoutLo,timeoutHi){return GLctx.clientWaitSync(GL.syncs[sync],flags,convertI32PairToI53(timeoutLo,timeoutHi))}function _emscripten_glColorMask(red,green,blue,alpha){GLctx.colorMask(!!red,!!green,!!blue,!!alpha)}function _emscripten_glCompileShader(shader){GLctx.compileShader(GL.shaders[shader])}function _emscripten_glCompressedTexImage2D(target,level,internalFormat,width,height,border,imageSize,data){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,imageSize,data)}else{GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,HEAPU8,data,imageSize)}return}GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,data?HEAPU8.subarray(data,data+imageSize):null)}function _emscripten_glCompressedTexImage3D(target,level,internalFormat,width,height,depth,border,imageSize,data){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexImage3D"](target,level,internalFormat,width,height,depth,border,imageSize,data)}else{GLctx["compressedTexImage3D"](target,level,internalFormat,width,height,depth,border,HEAPU8,data,imageSize)}}function _emscripten_glCompressedTexSubImage2D(target,level,xoffset,yoffset,width,height,format,imageSize,data){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,imageSize,data)}else{GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,HEAPU8,data,imageSize)}return}GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,data?HEAPU8.subarray(data,data+imageSize):null)}function _emscripten_glCompressedTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data)}else{GLctx["compressedTexSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,HEAPU8,data,imageSize)}}function _emscripten_glCopyBufferSubData(x0,x1,x2,x3,x4){GLctx["copyBufferSubData"](x0,x1,x2,x3,x4)}function _emscripten_glCopyTexImage2D(x0,x1,x2,x3,x4,x5,x6,x7){GLctx["copyTexImage2D"](x0,x1,x2,x3,x4,x5,x6,x7)}function _emscripten_glCopyTexSubImage2D(x0,x1,x2,x3,x4,x5,x6,x7){GLctx["copyTexSubImage2D"](x0,x1,x2,x3,x4,x5,x6,x7)}function _emscripten_glCopyTexSubImage3D(x0,x1,x2,x3,x4,x5,x6,x7,x8){GLctx["copyTexSubImage3D"](x0,x1,x2,x3,x4,x5,x6,x7,x8)}function _emscripten_glCreateProgram(){var id=GL.getNewId(GL.programs);var program=GLctx.createProgram();program.name=id;GL.programs[id]=program;return id}function _emscripten_glCreateShader(shaderType){var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id}function _emscripten_glCullFace(x0){GLctx["cullFace"](x0)}function _emscripten_glDeleteBuffers(n,buffers){for(var i=0;i<n;i++){var id=HEAP32[buffers+i*4>>2];var buffer=GL.buffers[id];if(!buffer)continue;GLctx.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;if(id==GLctx.currentPixelPackBufferBinding)GLctx.currentPixelPackBufferBinding=0;if(id==GLctx.currentPixelUnpackBufferBinding)GLctx.currentPixelUnpackBufferBinding=0}}function _emscripten_glDeleteFramebuffers(n,framebuffers){for(var i=0;i<n;++i){var id=HEAP32[framebuffers+i*4>>2];var framebuffer=GL.framebuffers[id];if(!framebuffer)continue;GLctx.deleteFramebuffer(framebuffer);framebuffer.name=0;GL.framebuffers[id]=null}}function _emscripten_glDeleteProgram(id){if(!id)return;var program=GL.programs[id];if(!program){GL.recordError(1281);return}GLctx.deleteProgram(program);program.name=0;GL.programs[id]=null;GL.programInfos[id]=null}function _emscripten_glDeleteQueries(n,ids){for(var i=0;i<n;i++){var id=HEAP32[ids+i*4>>2];var query=GL.queries[id];if(!query)continue;GLctx["deleteQuery"](query);GL.queries[id]=null}}function _emscripten_glDeleteQueriesEXT(n,ids){for(var i=0;i<n;i++){var id=HEAP32[ids+i*4>>2];var query=GL.timerQueriesEXT[id];if(!query)continue;GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);GL.timerQueriesEXT[id]=null}}function _emscripten_glDeleteRenderbuffers(n,renderbuffers){for(var i=0;i<n;i++){var id=HEAP32[renderbuffers+i*4>>2];var renderbuffer=GL.renderbuffers[id];if(!renderbuffer)continue;GLctx.deleteRenderbuffer(renderbuffer);renderbuffer.name=0;GL.renderbuffers[id]=null}}function _emscripten_glDeleteSamplers(n,samplers){for(var i=0;i<n;i++){var id=HEAP32[samplers+i*4>>2];var sampler=GL.samplers[id];if(!sampler)continue;GLctx["deleteSampler"](sampler);sampler.name=0;GL.samplers[id]=null}}function _emscripten_glDeleteShader(id){if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null}function _emscripten_glDeleteSync(id){if(!id)return;var sync=GL.syncs[id];if(!sync){GL.recordError(1281);return}GLctx.deleteSync(sync);sync.name=0;GL.syncs[id]=null}function _emscripten_glDeleteTextures(n,textures){for(var i=0;i<n;i++){var id=HEAP32[textures+i*4>>2];var texture=GL.textures[id];if(!texture)continue;GLctx.deleteTexture(texture);texture.name=0;GL.textures[id]=null}}function _emscripten_glDeleteTransformFeedbacks(n,ids){for(var i=0;i<n;i++){var id=HEAP32[ids+i*4>>2];var transformFeedback=GL.transformFeedbacks[id];if(!transformFeedback)continue;GLctx["deleteTransformFeedback"](transformFeedback);transformFeedback.name=0;GL.transformFeedbacks[id]=null}}function _emscripten_glDeleteVertexArrays(n,vaos){for(var i=0;i<n;i++){var id=HEAP32[vaos+i*4>>2];GLctx["deleteVertexArray"](GL.vaos[id]);GL.vaos[id]=null}}function _emscripten_glDeleteVertexArraysOES(n,vaos){for(var i=0;i<n;i++){var id=HEAP32[vaos+i*4>>2];GLctx["deleteVertexArray"](GL.vaos[id]);GL.vaos[id]=null}}function _emscripten_glDepthFunc(x0){GLctx["depthFunc"](x0)}function _emscripten_glDepthMask(flag){GLctx.depthMask(!!flag)}function _emscripten_glDepthRangef(x0,x1){GLctx["depthRange"](x0,x1)}function _emscripten_glDetachShader(program,shader){GLctx.detachShader(GL.programs[program],GL.shaders[shader])}function _emscripten_glDisable(x0){GLctx["disable"](x0)}function _emscripten_glDisableVertexAttribArray(index){GLctx.disableVertexAttribArray(index)}function _emscripten_glDrawArrays(mode,first,count){GLctx.drawArrays(mode,first,count)}function _emscripten_glDrawArraysInstanced(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _emscripten_glDrawArraysInstancedANGLE(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _emscripten_glDrawArraysInstancedARB(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _emscripten_glDrawArraysInstancedEXT(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _emscripten_glDrawArraysInstancedNV(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}var tempFixedLengthArray=[];function _emscripten_glDrawBuffers(n,bufs){var bufArray=tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx["drawBuffers"](bufArray)}function _emscripten_glDrawBuffersEXT(n,bufs){var bufArray=tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx["drawBuffers"](bufArray)}function _emscripten_glDrawBuffersWEBGL(n,bufs){var bufArray=tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx["drawBuffers"](bufArray)}function _emscripten_glDrawElements(mode,count,type,indices){GLctx.drawElements(mode,count,type,indices)}function _emscripten_glDrawElementsInstanced(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _emscripten_glDrawElementsInstancedANGLE(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _emscripten_glDrawElementsInstancedARB(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _emscripten_glDrawElementsInstancedEXT(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _emscripten_glDrawElementsInstancedNV(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _glDrawElements(mode,count,type,indices){GLctx.drawElements(mode,count,type,indices)}function _emscripten_glDrawRangeElements(mode,start,end,count,type,indices){_glDrawElements(mode,count,type,indices)}function _emscripten_glEnable(x0){GLctx["enable"](x0)}function _emscripten_glEnableVertexAttribArray(index){GLctx.enableVertexAttribArray(index)}function _emscripten_glEndQuery(x0){GLctx["endQuery"](x0)}function _emscripten_glEndQueryEXT(target){GLctx.disjointTimerQueryExt["endQueryEXT"](target)}function _emscripten_glEndTransformFeedback(){GLctx["endTransformFeedback"]()}function _emscripten_glFenceSync(condition,flags){var sync=GLctx.fenceSync(condition,flags);if(sync){var id=GL.getNewId(GL.syncs);sync.name=id;GL.syncs[id]=sync;return id}else{return 0}}function _emscripten_glFinish(){GLctx["finish"]()}function _emscripten_glFlush(){GLctx["flush"]()}function _emscripten_glFramebufferRenderbuffer(target,attachment,renderbuffertarget,renderbuffer){GLctx.framebufferRenderbuffer(target,attachment,renderbuffertarget,GL.renderbuffers[renderbuffer])}function _emscripten_glFramebufferTexture2D(target,attachment,textarget,texture,level){GLctx.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level)}function _emscripten_glFramebufferTextureLayer(target,attachment,texture,level,layer){GLctx.framebufferTextureLayer(target,attachment,GL.textures[texture],level,layer)}function _emscripten_glFrontFace(x0){GLctx["frontFace"](x0)}function __glGenObject(n,buffers,createFunction,objectTable){for(var i=0;i<n;i++){var buffer=GLctx[createFunction]();var id=buffer&&GL.getNewId(objectTable);if(buffer){buffer.name=id;objectTable[id]=buffer}else{GL.recordError(1282)}HEAP32[buffers+i*4>>2]=id}}function _emscripten_glGenBuffers(n,buffers){__glGenObject(n,buffers,"createBuffer",GL.buffers)}function _emscripten_glGenFramebuffers(n,ids){__glGenObject(n,ids,"createFramebuffer",GL.framebuffers)}function _emscripten_glGenQueries(n,ids){__glGenObject(n,ids,"createQuery",GL.queries)}function _emscripten_glGenQueriesEXT(n,ids){for(var i=0;i<n;i++){var query=GLctx.disjointTimerQueryExt["createQueryEXT"]();if(!query){GL.recordError(1282);while(i<n)HEAP32[ids+i++*4>>2]=0;return}var id=GL.getNewId(GL.timerQueriesEXT);query.name=id;GL.timerQueriesEXT[id]=query;HEAP32[ids+i*4>>2]=id}}function _emscripten_glGenRenderbuffers(n,renderbuffers){__glGenObject(n,renderbuffers,"createRenderbuffer",GL.renderbuffers)}function _emscripten_glGenSamplers(n,samplers){__glGenObject(n,samplers,"createSampler",GL.samplers)}function _emscripten_glGenTextures(n,textures){__glGenObject(n,textures,"createTexture",GL.textures)}function _emscripten_glGenTransformFeedbacks(n,ids){__glGenObject(n,ids,"createTransformFeedback",GL.transformFeedbacks)}function _emscripten_glGenVertexArrays(n,arrays){__glGenObject(n,arrays,"createVertexArray",GL.vaos)}function _emscripten_glGenVertexArraysOES(n,arrays){__glGenObject(n,arrays,"createVertexArray",GL.vaos)}function _emscripten_glGenerateMipmap(x0){GLctx["generateMipmap"](x0)}function __glGetActiveAttribOrUniform(funcName,program,index,bufSize,length,size,type,name){program=GL.programs[program];var info=GLctx[funcName](program,index);if(info){var numBytesWrittenExclNull=name&&stringToUTF8(info.name,name,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull;if(size)HEAP32[size>>2]=info.size;if(type)HEAP32[type>>2]=info.type}}function _emscripten_glGetActiveAttrib(program,index,bufSize,length,size,type,name){__glGetActiveAttribOrUniform("getActiveAttrib",program,index,bufSize,length,size,type,name)}function _emscripten_glGetActiveUniform(program,index,bufSize,length,size,type,name){__glGetActiveAttribOrUniform("getActiveUniform",program,index,bufSize,length,size,type,name)}function _emscripten_glGetActiveUniformBlockName(program,uniformBlockIndex,bufSize,length,uniformBlockName){program=GL.programs[program];var result=GLctx["getActiveUniformBlockName"](program,uniformBlockIndex);if(!result)return;if(uniformBlockName&&bufSize>0){var numBytesWrittenExclNull=stringToUTF8(result,uniformBlockName,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}}function _emscripten_glGetActiveUniformBlockiv(program,uniformBlockIndex,pname,params){if(!params){GL.recordError(1281);return}program=GL.programs[program];switch(pname){case 35393:var name=GLctx["getActiveUniformBlockName"](program,uniformBlockIndex);HEAP32[params>>2]=name.length+1;return;default:var result=GLctx["getActiveUniformBlockParameter"](program,uniformBlockIndex,pname);if(!result)return;if(typeof result=="number"){HEAP32[params>>2]=result}else{for(var i=0;i<result.length;i++){HEAP32[params+i*4>>2]=result[i]}}}}function _emscripten_glGetActiveUniformsiv(program,uniformCount,uniformIndices,pname,params){if(!params){GL.recordError(1281);return}if(uniformCount>0&&uniformIndices==0){GL.recordError(1281);return}program=GL.programs[program];var ids=[];for(var i=0;i<uniformCount;i++){ids.push(HEAP32[uniformIndices+i*4>>2])}var result=GLctx["getActiveUniforms"](program,ids,pname);if(!result)return;var len=result.length;for(var i=0;i<len;i++){HEAP32[params+i*4>>2]=result[i]}}function _emscripten_glGetAttachedShaders(program,maxCount,count,shaders){var result=GLctx.getAttachedShaders(GL.programs[program]);var len=result.length;if(len>maxCount){len=maxCount}HEAP32[count>>2]=len;for(var i=0;i<len;++i){var id=GL.shaders.indexOf(result[i]);HEAP32[shaders+i*4>>2]=id}}function _emscripten_glGetAttribLocation(program,name){return GLctx.getAttribLocation(GL.programs[program],UTF8ToString(name))}function writeI53ToI64(ptr,num){HEAPU32[ptr>>2]=num;HEAPU32[ptr+4>>2]=(num-HEAPU32[ptr>>2])/4294967296}function emscriptenWebGLGet(name_,p,type){if(!p){GL.recordError(1281);return}var ret=undefined;switch(name_){case 36346:ret=1;break;case 36344:if(type!=0&&type!=1){GL.recordError(1280)}return;case 34814:case 36345:ret=0;break;case 34466:var formats=GLctx.getParameter(34467);ret=formats?formats.length:0;break;case 33309:if(GL.currentContext.version<2){GL.recordError(1282);return}var exts=GLctx.getSupportedExtensions()||[];ret=2*exts.length;break;case 33307:case 33308:if(GL.currentContext.version<2){GL.recordError(1280);return}ret=name_==33307?3:0;break}if(ret===undefined){var result=GLctx.getParameter(name_);switch(typeof result){case"number":ret=result;break;case"boolean":ret=result?1:0;break;case"string":GL.recordError(1280);return;case"object":if(result===null){switch(name_){case 34964:case 35725:case 34965:case 36006:case 36007:case 32873:case 34229:case 36662:case 36663:case 35053:case 35055:case 36010:case 35097:case 35869:case 32874:case 36389:case 35983:case 35368:case 34068:{ret=0;break}default:{GL.recordError(1280);return}}}else if(result instanceof Float32Array||result instanceof Uint32Array||result instanceof Int32Array||result instanceof Array){for(var i=0;i<result.length;++i){switch(type){case 0:HEAP32[p+i*4>>2]=result[i];break;case 2:HEAPF32[p+i*4>>2]=result[i];break;case 4:HEAP8[p+i>>0]=result[i]?1:0;break}}return}else{try{ret=result.name|0}catch(e){GL.recordError(1280);err("GL_INVALID_ENUM in glGet"+type+"v: Unknown object returned from WebGL getParameter("+name_+")! (error: "+e+")");return}}break;default:GL.recordError(1280);err("GL_INVALID_ENUM in glGet"+type+"v: Native code calling glGet"+type+"v("+name_+") and it returns "+result+" of type "+typeof result+"!");return}}switch(type){case 1:writeI53ToI64(p,ret);break;case 0:HEAP32[p>>2]=ret;break;case 2:HEAPF32[p>>2]=ret;break;case 4:HEAP8[p>>0]=ret?1:0;break}}function _emscripten_glGetBooleanv(name_,p){emscriptenWebGLGet(name_,p,4)}function _emscripten_glGetBufferParameteri64v(target,value,data){if(!data){GL.recordError(1281);return}writeI53ToI64(data,GLctx.getBufferParameter(target,value))}function _emscripten_glGetBufferParameteriv(target,value,data){if(!data){GL.recordError(1281);return}HEAP32[data>>2]=GLctx.getBufferParameter(target,value)}function _emscripten_glGetError(){var error=GLctx.getError()||GL.lastError;GL.lastError=0;return error}function _emscripten_glGetFloatv(name_,p){emscriptenWebGLGet(name_,p,2)}function _emscripten_glGetFragDataLocation(program,name){return GLctx["getFragDataLocation"](GL.programs[program],UTF8ToString(name))}function _emscripten_glGetFramebufferAttachmentParameteriv(target,attachment,pname,params){var result=GLctx.getFramebufferAttachmentParameter(target,attachment,pname);if(result instanceof WebGLRenderbuffer||result instanceof WebGLTexture){result=result.name|0}HEAP32[params>>2]=result}function emscriptenWebGLGetIndexed(target,index,data,type){if(!data){GL.recordError(1281);return}var result=GLctx["getIndexedParameter"](target,index);var ret;switch(typeof result){case"boolean":ret=result?1:0;break;case"number":ret=result;break;case"object":if(result===null){switch(target){case 35983:case 35368:ret=0;break;default:{GL.recordError(1280);return}}}else if(result instanceof WebGLBuffer){ret=result.name|0}else{GL.recordError(1280);return}break;default:GL.recordError(1280);return}switch(type){case 1:writeI53ToI64(data,ret);break;case 0:HEAP32[data>>2]=ret;break;case 2:HEAPF32[data>>2]=ret;break;case 4:HEAP8[data>>0]=ret?1:0;break;default:throw"internal emscriptenWebGLGetIndexed() error, bad type: "+type}}function _emscripten_glGetInteger64i_v(target,index,data){emscriptenWebGLGetIndexed(target,index,data,1)}function _emscripten_glGetInteger64v(name_,p){emscriptenWebGLGet(name_,p,1)}function _emscripten_glGetIntegeri_v(target,index,data){emscriptenWebGLGetIndexed(target,index,data,0)}function _emscripten_glGetIntegerv(name_,p){emscriptenWebGLGet(name_,p,0)}function _emscripten_glGetInternalformativ(target,internalformat,pname,bufSize,params){if(bufSize<0){GL.recordError(1281);return}if(!params){GL.recordError(1281);return}var ret=GLctx["getInternalformatParameter"](target,internalformat,pname);if(ret===null)return;for(var i=0;i<ret.length&&i<bufSize;++i){HEAP32[params+i>>2]=ret[i]}}function _emscripten_glGetProgramBinary(program,bufSize,length,binaryFormat,binary){GL.recordError(1282)}function _emscripten_glGetProgramInfoLog(program,maxLength,length,infoLog){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _emscripten_glGetProgramiv(program,pname,p){if(!p){GL.recordError(1281);return}if(program>=GL.counter){GL.recordError(1281);return}var ptable=GL.programInfos[program];if(!ptable){GL.recordError(1282);return}if(pname==35716){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35719){HEAP32[p>>2]=ptable.maxUniformLength}else if(pname==35722){if(ptable.maxAttributeLength==-1){program=GL.programs[program];var numAttribs=GLctx.getProgramParameter(program,35721);ptable.maxAttributeLength=0;for(var i=0;i<numAttribs;++i){var activeAttrib=GLctx.getActiveAttrib(program,i);ptable.maxAttributeLength=Math.max(ptable.maxAttributeLength,activeAttrib.name.length+1)}}HEAP32[p>>2]=ptable.maxAttributeLength}else if(pname==35381){if(ptable.maxUniformBlockNameLength==-1){program=GL.programs[program];var numBlocks=GLctx.getProgramParameter(program,35382);ptable.maxUniformBlockNameLength=0;for(var i=0;i<numBlocks;++i){var activeBlockName=GLctx.getActiveUniformBlockName(program,i);ptable.maxUniformBlockNameLength=Math.max(ptable.maxUniformBlockNameLength,activeBlockName.length+1)}}HEAP32[p>>2]=ptable.maxUniformBlockNameLength}else{HEAP32[p>>2]=GLctx.getProgramParameter(GL.programs[program],pname)}}function _emscripten_glGetQueryObjecti64vEXT(id,pname,params){if(!params){GL.recordError(1281);return}var query=GL.timerQueriesEXT[id];var param=GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}writeI53ToI64(params,ret)}function _emscripten_glGetQueryObjectivEXT(id,pname,params){if(!params){GL.recordError(1281);return}var query=GL.timerQueriesEXT[id];var param=GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}HEAP32[params>>2]=ret}function _emscripten_glGetQueryObjectui64vEXT(id,pname,params){if(!params){GL.recordError(1281);return}var query=GL.timerQueriesEXT[id];var param=GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}writeI53ToI64(params,ret)}function _emscripten_glGetQueryObjectuiv(id,pname,params){if(!params){GL.recordError(1281);return}var query=GL.queries[id];var param=GLctx["getQueryParameter"](query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}HEAP32[params>>2]=ret}function _emscripten_glGetQueryObjectuivEXT(id,pname,params){if(!params){GL.recordError(1281);return}var query=GL.timerQueriesEXT[id];var param=GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}HEAP32[params>>2]=ret}function _emscripten_glGetQueryiv(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx["getQuery"](target,pname)}function _emscripten_glGetQueryivEXT(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx.disjointTimerQueryExt["getQueryEXT"](target,pname)}function _emscripten_glGetRenderbufferParameteriv(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx.getRenderbufferParameter(target,pname)}function _emscripten_glGetSamplerParameterfv(sampler,pname,params){if(!params){GL.recordError(1281);return}sampler=GL.samplers[sampler];HEAPF32[params>>2]=GLctx["getSamplerParameter"](sampler,pname)}function _emscripten_glGetSamplerParameteriv(sampler,pname,params){if(!params){GL.recordError(1281);return}sampler=GL.samplers[sampler];HEAP32[params>>2]=GLctx["getSamplerParameter"](sampler,pname)}function _emscripten_glGetShaderInfoLog(shader,maxLength,length,infoLog){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _emscripten_glGetShaderPrecisionFormat(shaderType,precisionType,range,precision){var result=GLctx.getShaderPrecisionFormat(shaderType,precisionType);HEAP32[range>>2]=result.rangeMin;HEAP32[range+4>>2]=result.rangeMax;HEAP32[precision>>2]=result.precision}function _emscripten_glGetShaderSource(shader,bufSize,length,source){var result=GLctx.getShaderSource(GL.shaders[shader]);if(!result)return;var numBytesWrittenExclNull=bufSize>0&&source?stringToUTF8(result,source,bufSize):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _emscripten_glGetShaderiv(shader,pname,p){if(!p){GL.recordError(1281);return}if(pname==35716){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var logLength=log?log.length+1:0;HEAP32[p>>2]=logLength}else if(pname==35720){var source=GLctx.getShaderSource(GL.shaders[shader]);var sourceLength=source?source.length+1:0;HEAP32[p>>2]=sourceLength}else{HEAP32[p>>2]=GLctx.getShaderParameter(GL.shaders[shader],pname)}}function stringToNewUTF8(jsString){var length=lengthBytesUTF8(jsString)+1;var cString=_malloc(length);stringToUTF8(jsString,cString,length);return cString}function _emscripten_glGetString(name_){if(GL.stringCache[name_])return GL.stringCache[name_];var ret;switch(name_){case 7939:var exts=GLctx.getSupportedExtensions()||[];exts=exts.concat(exts.map(function(e){return"GL_"+e}));ret=stringToNewUTF8(exts.join(" "));break;case 7936:case 7937:case 37445:case 37446:var s=GLctx.getParameter(name_);if(!s){GL.recordError(1280)}ret=stringToNewUTF8(s);break;case 7938:var glVersion=GLctx.getParameter(7938);if(GL.currentContext.version>=2)glVersion="OpenGL ES 3.0 ("+glVersion+")";else{glVersion="OpenGL ES 2.0 ("+glVersion+")"}ret=stringToNewUTF8(glVersion);break;case 35724:var glslVersion=GLctx.getParameter(35724);var ver_re=/^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;var ver_num=glslVersion.match(ver_re);if(ver_num!==null){if(ver_num[1].length==3)ver_num[1]=ver_num[1]+"0";glslVersion="OpenGL ES GLSL ES "+ver_num[1]+" ("+glslVersion+")"}ret=stringToNewUTF8(glslVersion);break;default:GL.recordError(1280);return 0}GL.stringCache[name_]=ret;return ret}function _emscripten_glGetStringi(name,index){if(GL.currentContext.version<2){GL.recordError(1282);return 0}var stringiCache=GL.stringiCache[name];if(stringiCache){if(index<0||index>=stringiCache.length){GL.recordError(1281);return 0}return stringiCache[index]}switch(name){case 7939:var exts=GLctx.getSupportedExtensions()||[];exts=exts.concat(exts.map(function(e){return"GL_"+e}));exts=exts.map(function(e){return stringToNewUTF8(e)});stringiCache=GL.stringiCache[name]=exts;if(index<0||index>=stringiCache.length){GL.recordError(1281);return 0}return stringiCache[index];default:GL.recordError(1280);return 0}}function _emscripten_glGetSynciv(sync,pname,bufSize,length,values){if(bufSize<0){GL.recordError(1281);return}if(!values){GL.recordError(1281);return}var ret=GLctx.getSyncParameter(GL.syncs[sync],pname);if(ret!==null){HEAP32[values>>2]=ret;if(length)HEAP32[length>>2]=1}}function _emscripten_glGetTexParameterfv(target,pname,params){if(!params){GL.recordError(1281);return}HEAPF32[params>>2]=GLctx.getTexParameter(target,pname)}function _emscripten_glGetTexParameteriv(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx.getTexParameter(target,pname)}function _emscripten_glGetTransformFeedbackVarying(program,index,bufSize,length,size,type,name){program=GL.programs[program];var info=GLctx["getTransformFeedbackVarying"](program,index);if(!info)return;if(name&&bufSize>0){var numBytesWrittenExclNull=stringToUTF8(info.name,name,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}if(size)HEAP32[size>>2]=info.size;if(type)HEAP32[type>>2]=info.type}function _emscripten_glGetUniformBlockIndex(program,uniformBlockName){return GLctx["getUniformBlockIndex"](GL.programs[program],UTF8ToString(uniformBlockName))}function _emscripten_glGetUniformIndices(program,uniformCount,uniformNames,uniformIndices){if(!uniformIndices){GL.recordError(1281);return}if(uniformCount>0&&(uniformNames==0||uniformIndices==0)){GL.recordError(1281);return}program=GL.programs[program];var names=[];for(var i=0;i<uniformCount;i++)names.push(UTF8ToString(HEAP32[uniformNames+i*4>>2]));var result=GLctx["getUniformIndices"](program,names);if(!result)return;var len=result.length;for(var i=0;i<len;i++){HEAP32[uniformIndices+i*4>>2]=result[i]}}function _emscripten_glGetUniformLocation(program,name){name=UTF8ToString(name);var arrayIndex=0;if(name[name.length-1]=="]"){var leftBrace=name.lastIndexOf("[");arrayIndex=name[leftBrace+1]!="]"?jstoi_q(name.slice(leftBrace+1)):0;name=name.slice(0,leftBrace)}var uniformInfo=GL.programInfos[program]&&GL.programInfos[program].uniforms[name];if(uniformInfo&&arrayIndex>=0&&arrayIndex<uniformInfo[0]){return uniformInfo[1]+arrayIndex}else{return-1}}function emscriptenWebGLGetUniform(program,location,params,type){if(!params){GL.recordError(1281);return}var data=GLctx.getUniform(GL.programs[program],GL.uniforms[location]);if(typeof data=="number"||typeof data=="boolean"){switch(type){case 0:HEAP32[params>>2]=data;break;case 2:HEAPF32[params>>2]=data;break}}else{for(var i=0;i<data.length;i++){switch(type){case 0:HEAP32[params+i*4>>2]=data[i];break;case 2:HEAPF32[params+i*4>>2]=data[i];break}}}}function _emscripten_glGetUniformfv(program,location,params){emscriptenWebGLGetUniform(program,location,params,2)}function _emscripten_glGetUniformiv(program,location,params){emscriptenWebGLGetUniform(program,location,params,0)}function _emscripten_glGetUniformuiv(program,location,params){emscriptenWebGLGetUniform(program,location,params,0)}function emscriptenWebGLGetVertexAttrib(index,pname,params,type){if(!params){GL.recordError(1281);return}var data=GLctx.getVertexAttrib(index,pname);if(pname==34975){HEAP32[params>>2]=data&&data["name"]}else if(typeof data=="number"||typeof data=="boolean"){switch(type){case 0:HEAP32[params>>2]=data;break;case 2:HEAPF32[params>>2]=data;break;case 5:HEAP32[params>>2]=Math.fround(data);break}}else{for(var i=0;i<data.length;i++){switch(type){case 0:HEAP32[params+i*4>>2]=data[i];break;case 2:HEAPF32[params+i*4>>2]=data[i];break;case 5:HEAP32[params+i*4>>2]=Math.fround(data[i]);break}}}}function _emscripten_glGetVertexAttribIiv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,0)}function _emscripten_glGetVertexAttribIuiv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,0)}function _emscripten_glGetVertexAttribPointerv(index,pname,pointer){if(!pointer){GL.recordError(1281);return}HEAP32[pointer>>2]=GLctx.getVertexAttribOffset(index,pname)}function _emscripten_glGetVertexAttribfv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,2)}function _emscripten_glGetVertexAttribiv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,5)}function _emscripten_glHint(x0,x1){GLctx["hint"](x0,x1)}function _emscripten_glInvalidateFramebuffer(target,numAttachments,attachments){var list=tempFixedLengthArray[numAttachments];for(var i=0;i<numAttachments;i++){list[i]=HEAP32[attachments+i*4>>2]}GLctx["invalidateFramebuffer"](target,list)}function _emscripten_glInvalidateSubFramebuffer(target,numAttachments,attachments,x,y,width,height){var list=tempFixedLengthArray[numAttachments];for(var i=0;i<numAttachments;i++){list[i]=HEAP32[attachments+i*4>>2]}GLctx["invalidateSubFramebuffer"](target,list,x,y,width,height)}function _emscripten_glIsBuffer(buffer){var b=GL.buffers[buffer];if(!b)return 0;return GLctx.isBuffer(b)}function _emscripten_glIsEnabled(x0){return GLctx["isEnabled"](x0)}function _emscripten_glIsFramebuffer(framebuffer){var fb=GL.framebuffers[framebuffer];if(!fb)return 0;return GLctx.isFramebuffer(fb)}function _emscripten_glIsProgram(program){program=GL.programs[program];if(!program)return 0;return GLctx.isProgram(program)}function _emscripten_glIsQuery(id){var query=GL.queries[id];if(!query)return 0;return GLctx["isQuery"](query)}function _emscripten_glIsQueryEXT(id){var query=GL.timerQueriesEXT[id];if(!query)return 0;return GLctx.disjointTimerQueryExt["isQueryEXT"](query)}function _emscripten_glIsRenderbuffer(renderbuffer){var rb=GL.renderbuffers[renderbuffer];if(!rb)return 0;return GLctx.isRenderbuffer(rb)}function _emscripten_glIsSampler(id){var sampler=GL.samplers[id];if(!sampler)return 0;return GLctx["isSampler"](sampler)}function _emscripten_glIsShader(shader){var s=GL.shaders[shader];if(!s)return 0;return GLctx.isShader(s)}function _emscripten_glIsSync(sync){return GLctx.isSync(GL.syncs[sync])}function _emscripten_glIsTexture(id){var texture=GL.textures[id];if(!texture)return 0;return GLctx.isTexture(texture)}function _emscripten_glIsTransformFeedback(id){return GLctx["isTransformFeedback"](GL.transformFeedbacks[id])}function _emscripten_glIsVertexArray(array){var vao=GL.vaos[array];if(!vao)return 0;return GLctx["isVertexArray"](vao)}function _emscripten_glIsVertexArrayOES(array){var vao=GL.vaos[array];if(!vao)return 0;return GLctx["isVertexArray"](vao)}function _emscripten_glLineWidth(x0){GLctx["lineWidth"](x0)}function _emscripten_glLinkProgram(program){GLctx.linkProgram(GL.programs[program]);GL.populateUniformTable(program)}function _emscripten_glPauseTransformFeedback(){GLctx["pauseTransformFeedback"]()}function _emscripten_glPixelStorei(pname,param){if(pname==3317){GL.unpackAlignment=param}GLctx.pixelStorei(pname,param)}function _emscripten_glPolygonOffset(x0,x1){GLctx["polygonOffset"](x0,x1)}function _emscripten_glProgramBinary(program,binaryFormat,binary,length){GL.recordError(1280)}function _emscripten_glProgramParameteri(program,pname,value){GL.recordError(1280)}function _emscripten_glQueryCounterEXT(id,target){GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.timerQueriesEXT[id],target)}function _emscripten_glReadBuffer(x0){GLctx["readBuffer"](x0)}function computeUnpackAlignedImageSize(width,height,sizePerPixel,alignment){function roundedToNextMultipleOf(x,y){return x+y-1&-y}var plainRowSize=width*sizePerPixel;var alignedRowSize=roundedToNextMultipleOf(plainRowSize,alignment);return height*alignedRowSize}function __colorChannelsInGlTextureFormat(format){var colorChannels={5:3,6:4,8:2,29502:3,29504:4,26917:2,26918:2,29846:3,29847:4};return colorChannels[format-6402]||1}function heapObjectForWebGLType(type){type-=5120;if(type==0)return HEAP8;if(type==1)return HEAPU8;if(type==2)return HEAP16;if(type==4)return HEAP32;if(type==6)return HEAPF32;if(type==5||type==28922||type==28520||type==30779||type==30782)return HEAPU32;return HEAPU16}function heapAccessShiftForWebGLHeap(heap){return 31-Math.clz32(heap.BYTES_PER_ELEMENT)}function emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat){var heap=heapObjectForWebGLType(type);var shift=heapAccessShiftForWebGLHeap(heap);var byteSize=1<<shift;var sizePerPixel=__colorChannelsInGlTextureFormat(format)*byteSize;var bytes=computeUnpackAlignedImageSize(width,height,sizePerPixel,GL.unpackAlignment);return heap.subarray(pixels>>shift,pixels+bytes>>shift)}function _emscripten_glReadPixels(x,y,width,height,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelPackBufferBinding){GLctx.readPixels(x,y,width,height,format,type,pixels)}else{var heap=heapObjectForWebGLType(type);GLctx.readPixels(x,y,width,height,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}return}var pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,format);if(!pixelData){GL.recordError(1280);return}GLctx.readPixels(x,y,width,height,format,type,pixelData)}function _emscripten_glReleaseShaderCompiler(){}function _emscripten_glRenderbufferStorage(x0,x1,x2,x3){GLctx["renderbufferStorage"](x0,x1,x2,x3)}function _emscripten_glRenderbufferStorageMultisample(x0,x1,x2,x3,x4){GLctx["renderbufferStorageMultisample"](x0,x1,x2,x3,x4)}function _emscripten_glResumeTransformFeedback(){GLctx["resumeTransformFeedback"]()}function _emscripten_glSampleCoverage(value,invert){GLctx.sampleCoverage(value,!!invert)}function _emscripten_glSamplerParameterf(sampler,pname,param){GLctx["samplerParameterf"](GL.samplers[sampler],pname,param)}function _emscripten_glSamplerParameterfv(sampler,pname,params){var param=HEAPF32[params>>2];GLctx["samplerParameterf"](GL.samplers[sampler],pname,param)}function _emscripten_glSamplerParameteri(sampler,pname,param){GLctx["samplerParameteri"](GL.samplers[sampler],pname,param)}function _emscripten_glSamplerParameteriv(sampler,pname,params){var param=HEAP32[params>>2];GLctx["samplerParameteri"](GL.samplers[sampler],pname,param)}function _emscripten_glScissor(x0,x1,x2,x3){GLctx["scissor"](x0,x1,x2,x3)}function _emscripten_glShaderBinary(){GL.recordError(1280)}function _emscripten_glShaderSource(shader,count,string,length){var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)}function _emscripten_glStencilFunc(x0,x1,x2){GLctx["stencilFunc"](x0,x1,x2)}function _emscripten_glStencilFuncSeparate(x0,x1,x2,x3){GLctx["stencilFuncSeparate"](x0,x1,x2,x3)}function _emscripten_glStencilMask(x0){GLctx["stencilMask"](x0)}function _emscripten_glStencilMaskSeparate(x0,x1){GLctx["stencilMaskSeparate"](x0,x1)}function _emscripten_glStencilOp(x0,x1,x2){GLctx["stencilOp"](x0,x1,x2)}function _emscripten_glStencilOpSeparate(x0,x1,x2,x3){GLctx["stencilOpSeparate"](x0,x1,x2,x3)}function _emscripten_glTexImage2D(target,level,internalFormat,width,height,border,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,null)}return}GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels?emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat):null)}function _emscripten_glTexImage3D(target,level,internalFormat,width,height,depth,border,format,type,pixels){if(GLctx.currentPixelUnpackBufferBinding){GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,null)}}function _emscripten_glTexParameterf(x0,x1,x2){GLctx["texParameterf"](x0,x1,x2)}function _emscripten_glTexParameterfv(target,pname,params){var param=HEAPF32[params>>2];GLctx.texParameterf(target,pname,param)}function _emscripten_glTexParameteri(x0,x1,x2){GLctx["texParameteri"](x0,x1,x2)}function _emscripten_glTexParameteriv(target,pname,params){var param=HEAP32[params>>2];GLctx.texParameteri(target,pname,param)}function _emscripten_glTexStorage2D(x0,x1,x2,x3,x4){GLctx["texStorage2D"](x0,x1,x2,x3,x4)}function _emscripten_glTexStorage3D(x0,x1,x2,x3,x4,x5){GLctx["texStorage3D"](x0,x1,x2,x3,x4,x5)}function _emscripten_glTexSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,null)}return}var pixelData=null;if(pixels)pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,0);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixelData)}function _emscripten_glTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels){if(GLctx.currentPixelUnpackBufferBinding){GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,null)}}function _emscripten_glTransformFeedbackVaryings(program,count,varyings,bufferMode){program=GL.programs[program];var vars=[];for(var i=0;i<count;i++)vars.push(UTF8ToString(HEAP32[varyings+i*4>>2]));GLctx["transformFeedbackVaryings"](program,vars,bufferMode)}function _emscripten_glUniform1f(location,v0){GLctx.uniform1f(GL.uniforms[location],v0)}var miniTempWebGLFloatBuffers=[];function _emscripten_glUniform1fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform1fv(GL.uniforms[location],HEAPF32,value>>2,count);return}if(count<=288){var view=miniTempWebGLFloatBuffers[count-1];for(var i=0;i<count;++i){view[i]=HEAPF32[value+4*i>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*4>>2)}GLctx.uniform1fv(GL.uniforms[location],view)}function _emscripten_glUniform1i(location,v0){GLctx.uniform1i(GL.uniforms[location],v0)}var __miniTempWebGLIntBuffers=[];function _emscripten_glUniform1iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform1iv(GL.uniforms[location],HEAP32,value>>2,count);return}if(count<=288){var view=__miniTempWebGLIntBuffers[count-1];for(var i=0;i<count;++i){view[i]=HEAP32[value+4*i>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*4>>2)}GLctx.uniform1iv(GL.uniforms[location],view)}function _emscripten_glUniform1ui(location,v0){GLctx.uniform1ui(GL.uniforms[location],v0)}function _emscripten_glUniform1uiv(location,count,value){GLctx.uniform1uiv(GL.uniforms[location],HEAPU32,value>>2,count)}function _emscripten_glUniform2f(location,v0,v1){GLctx.uniform2f(GL.uniforms[location],v0,v1)}function _emscripten_glUniform2fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform2fv(GL.uniforms[location],HEAPF32,value>>2,count*2);return}if(count<=144){var view=miniTempWebGLFloatBuffers[2*count-1];for(var i=0;i<2*count;i+=2){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2fv(GL.uniforms[location],view)}function _emscripten_glUniform2i(location,v0,v1){GLctx.uniform2i(GL.uniforms[location],v0,v1)}function _emscripten_glUniform2iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform2iv(GL.uniforms[location],HEAP32,value>>2,count*2);return}if(count<=144){var view=__miniTempWebGLIntBuffers[2*count-1];for(var i=0;i<2*count;i+=2){view[i]=HEAP32[value+4*i>>2];view[i+1]=HEAP32[value+(4*i+4)>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2iv(GL.uniforms[location],view)}function _emscripten_glUniform2ui(location,v0,v1){GLctx.uniform2ui(GL.uniforms[location],v0,v1)}function _emscripten_glUniform2uiv(location,count,value){GLctx.uniform2uiv(GL.uniforms[location],HEAPU32,value>>2,count*2)}function _emscripten_glUniform3f(location,v0,v1,v2){GLctx.uniform3f(GL.uniforms[location],v0,v1,v2)}function _emscripten_glUniform3fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform3fv(GL.uniforms[location],HEAPF32,value>>2,count*3);return}if(count<=96){var view=miniTempWebGLFloatBuffers[3*count-1];for(var i=0;i<3*count;i+=3){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*12>>2)}GLctx.uniform3fv(GL.uniforms[location],view)}function _emscripten_glUniform3i(location,v0,v1,v2){GLctx.uniform3i(GL.uniforms[location],v0,v1,v2)}function _emscripten_glUniform3iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform3iv(GL.uniforms[location],HEAP32,value>>2,count*3);return}if(count<=96){var view=__miniTempWebGLIntBuffers[3*count-1];for(var i=0;i<3*count;i+=3){view[i]=HEAP32[value+4*i>>2];view[i+1]=HEAP32[value+(4*i+4)>>2];view[i+2]=HEAP32[value+(4*i+8)>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*12>>2)}GLctx.uniform3iv(GL.uniforms[location],view)}function _emscripten_glUniform3ui(location,v0,v1,v2){GLctx.uniform3ui(GL.uniforms[location],v0,v1,v2)}function _emscripten_glUniform3uiv(location,count,value){GLctx.uniform3uiv(GL.uniforms[location],HEAPU32,value>>2,count*3)}function _emscripten_glUniform4f(location,v0,v1,v2,v3){GLctx.uniform4f(GL.uniforms[location],v0,v1,v2,v3)}function _emscripten_glUniform4fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform4fv(GL.uniforms[location],HEAPF32,value>>2,count*4);return}if(count<=72){var view=miniTempWebGLFloatBuffers[4*count-1];var heap=HEAPF32;value>>=2;for(var i=0;i<4*count;i+=4){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3]}}else{var view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniform4fv(GL.uniforms[location],view)}function _emscripten_glUniform4i(location,v0,v1,v2,v3){GLctx.uniform4i(GL.uniforms[location],v0,v1,v2,v3)}function _emscripten_glUniform4iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform4iv(GL.uniforms[location],HEAP32,value>>2,count*4);return}if(count<=72){var view=__miniTempWebGLIntBuffers[4*count-1];for(var i=0;i<4*count;i+=4){view[i]=HEAP32[value+4*i>>2];view[i+1]=HEAP32[value+(4*i+4)>>2];view[i+2]=HEAP32[value+(4*i+8)>>2];view[i+3]=HEAP32[value+(4*i+12)>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*16>>2)}GLctx.uniform4iv(GL.uniforms[location],view)}function _emscripten_glUniform4ui(location,v0,v1,v2,v3){GLctx.uniform4ui(GL.uniforms[location],v0,v1,v2,v3)}function _emscripten_glUniform4uiv(location,count,value){GLctx.uniform4uiv(GL.uniforms[location],HEAPU32,value>>2,count*4)}function _emscripten_glUniformBlockBinding(program,uniformBlockIndex,uniformBlockBinding){program=GL.programs[program];GLctx["uniformBlockBinding"](program,uniformBlockIndex,uniformBlockBinding)}function _emscripten_glUniformMatrix2fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix2fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*4);return}if(count<=72){var view=miniTempWebGLFloatBuffers[4*count-1];for(var i=0;i<4*count;i+=4){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniformMatrix2fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUniformMatrix2x3fv(location,count,transpose,value){GLctx.uniformMatrix2x3fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*6)}function _emscripten_glUniformMatrix2x4fv(location,count,transpose,value){GLctx.uniformMatrix2x4fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*8)}function _emscripten_glUniformMatrix3fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix3fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*9);return}if(count<=32){var view=miniTempWebGLFloatBuffers[9*count-1];for(var i=0;i<9*count;i+=9){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2];view[i+4]=HEAPF32[value+(4*i+16)>>2];view[i+5]=HEAPF32[value+(4*i+20)>>2];view[i+6]=HEAPF32[value+(4*i+24)>>2];view[i+7]=HEAPF32[value+(4*i+28)>>2];view[i+8]=HEAPF32[value+(4*i+32)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*36>>2)}GLctx.uniformMatrix3fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUniformMatrix3x2fv(location,count,transpose,value){GLctx.uniformMatrix3x2fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*6)}function _emscripten_glUniformMatrix3x4fv(location,count,transpose,value){GLctx.uniformMatrix3x4fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*12)}function _emscripten_glUniformMatrix4fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix4fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*16);return}if(count<=18){var view=miniTempWebGLFloatBuffers[16*count-1];var heap=HEAPF32;value>>=2;for(var i=0;i<16*count;i+=16){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3];view[i+4]=heap[dst+4];view[i+5]=heap[dst+5];view[i+6]=heap[dst+6];view[i+7]=heap[dst+7];view[i+8]=heap[dst+8];view[i+9]=heap[dst+9];view[i+10]=heap[dst+10];view[i+11]=heap[dst+11];view[i+12]=heap[dst+12];view[i+13]=heap[dst+13];view[i+14]=heap[dst+14];view[i+15]=heap[dst+15]}}else{var view=HEAPF32.subarray(value>>2,value+count*64>>2)}GLctx.uniformMatrix4fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUniformMatrix4x2fv(location,count,transpose,value){GLctx.uniformMatrix4x2fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*8)}function _emscripten_glUniformMatrix4x3fv(location,count,transpose,value){GLctx.uniformMatrix4x3fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*12)}function _emscripten_glUseProgram(program){GLctx.useProgram(GL.programs[program])}function _emscripten_glValidateProgram(program){GLctx.validateProgram(GL.programs[program])}function _emscripten_glVertexAttrib1f(x0,x1){GLctx["vertexAttrib1f"](x0,x1)}function _emscripten_glVertexAttrib1fv(index,v){GLctx.vertexAttrib1f(index,HEAPF32[v>>2])}function _emscripten_glVertexAttrib2f(x0,x1,x2){GLctx["vertexAttrib2f"](x0,x1,x2)}function _emscripten_glVertexAttrib2fv(index,v){GLctx.vertexAttrib2f(index,HEAPF32[v>>2],HEAPF32[v+4>>2])}function _emscripten_glVertexAttrib3f(x0,x1,x2,x3){GLctx["vertexAttrib3f"](x0,x1,x2,x3)}function _emscripten_glVertexAttrib3fv(index,v){GLctx.vertexAttrib3f(index,HEAPF32[v>>2],HEAPF32[v+4>>2],HEAPF32[v+8>>2])}function _emscripten_glVertexAttrib4f(x0,x1,x2,x3,x4){GLctx["vertexAttrib4f"](x0,x1,x2,x3,x4)}function _emscripten_glVertexAttrib4fv(index,v){GLctx.vertexAttrib4f(index,HEAPF32[v>>2],HEAPF32[v+4>>2],HEAPF32[v+8>>2],HEAPF32[v+12>>2])}function _emscripten_glVertexAttribDivisor(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribDivisorANGLE(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribDivisorARB(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribDivisorEXT(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribDivisorNV(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribI4i(x0,x1,x2,x3,x4){GLctx["vertexAttribI4i"](x0,x1,x2,x3,x4)}function _emscripten_glVertexAttribI4iv(index,v){GLctx.vertexAttribI4i(index,HEAP32[v>>2],HEAP32[v+4>>2],HEAP32[v+8>>2],HEAP32[v+12>>2])}function _emscripten_glVertexAttribI4ui(x0,x1,x2,x3,x4){GLctx["vertexAttribI4ui"](x0,x1,x2,x3,x4)}function _emscripten_glVertexAttribI4uiv(index,v){GLctx.vertexAttribI4ui(index,HEAPU32[v>>2],HEAPU32[v+4>>2],HEAPU32[v+8>>2],HEAPU32[v+12>>2])}function _emscripten_glVertexAttribIPointer(index,size,type,stride,ptr){GLctx["vertexAttribIPointer"](index,size,type,stride,ptr)}function _emscripten_glVertexAttribPointer(index,size,type,normalized,stride,ptr){GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)}function _emscripten_glViewport(x0,x1,x2,x3){GLctx["viewport"](x0,x1,x2,x3)}function _emscripten_glWaitSync(sync,flags,timeoutLo,timeoutHi){GLctx.waitSync(GL.syncs[sync],flags,convertI32PairToI53(timeoutLo,timeoutHi))}function _longjmp(env,value){_setThrew(env,value||1);throw"longjmp"}function _emscripten_longjmp(a0,a1){return _longjmp(a0,a1)}function _emscripten_memcpy_big(dest,src,num){HEAPU8.copyWithin(dest,src,src+num)}function _emscripten_request_pointerlock(target,deferUntilInEventHandler){target=findEventTarget(target);if(!target)return-4;if(!target.requestPointerLock&&!target.msRequestPointerLock){return-1}var canPerformRequests=JSEvents.canPerformEventHandlerRequests();if(!canPerformRequests){if(deferUntilInEventHandler){JSEvents.deferCall(requestPointerLock,2,[target]);return 1}else{return-2}}return requestPointerLock(target)}function _emscripten_get_heap_size(){return HEAPU8.length}function emscripten_realloc_buffer(size){try{wasmMemory.grow(size-buffer.byteLength+65535>>>16);updateGlobalBufferAndViews(wasmMemory.buffer);return 1}catch(e){}}function _emscripten_resize_heap(requestedSize){var oldSize=_emscripten_get_heap_size();var maxHeapSize=2147483648;if(requestedSize>maxHeapSize){return false}for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=emscripten_realloc_buffer(newSize);if(replacement){return true}}return false}function fillFullscreenChangeEventData(eventStruct){var fullscreenElement=document.fullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement||document.msFullscreenElement;var isFullscreen=!!fullscreenElement;HEAP32[eventStruct>>2]=isFullscreen;HEAP32[eventStruct+4>>2]=JSEvents.fullscreenEnabled();var reportedElement=isFullscreen?fullscreenElement:JSEvents.previousFullscreenElement;var nodeName=JSEvents.getNodeNameForTarget(reportedElement);var id=reportedElement&&reportedElement.id?reportedElement.id:"";stringToUTF8(nodeName,eventStruct+8,128);stringToUTF8(id,eventStruct+136,128);HEAP32[eventStruct+264>>2]=reportedElement?reportedElement.clientWidth:0;HEAP32[eventStruct+268>>2]=reportedElement?reportedElement.clientHeight:0;HEAP32[eventStruct+272>>2]=screen.width;HEAP32[eventStruct+276>>2]=screen.height;if(isFullscreen){JSEvents.previousFullscreenElement=fullscreenElement}}function registerFullscreenChangeEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.fullscreenChangeEvent)JSEvents.fullscreenChangeEvent=_malloc(280);var fullscreenChangeEventhandlerFunc=function(ev){var e=ev||event;var fullscreenChangeEvent=JSEvents.fullscreenChangeEvent;fillFullscreenChangeEventData(fullscreenChangeEvent);if(wasmTable.get(callbackfunc)(eventTypeId,fullscreenChangeEvent,userData))e.preventDefault()};var eventHandler={target:target,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:fullscreenChangeEventhandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_fullscreenchange_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){if(!JSEvents.fullscreenEnabled())return-1;target=findEventTarget(target);if(!target)return-4;registerFullscreenChangeEventCallback(target,userData,useCapture,callbackfunc,19,"fullscreenchange",targetThread);registerFullscreenChangeEventCallback(target,userData,useCapture,callbackfunc,19,"webkitfullscreenchange",targetThread);return 0}function registerKeyEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.keyEvent)JSEvents.keyEvent=_malloc(164);var keyEventHandlerFunc=function(e){var keyEventData=JSEvents.keyEvent;var idx=keyEventData>>2;HEAP32[idx+0]=e.location;HEAP32[idx+1]=e.ctrlKey;HEAP32[idx+2]=e.shiftKey;HEAP32[idx+3]=e.altKey;HEAP32[idx+4]=e.metaKey;HEAP32[idx+5]=e.repeat;HEAP32[idx+6]=e.charCode;HEAP32[idx+7]=e.keyCode;HEAP32[idx+8]=e.which;stringToUTF8(e.key||"",keyEventData+36,32);stringToUTF8(e.code||"",keyEventData+68,32);stringToUTF8(e.char||"",keyEventData+100,32);stringToUTF8(e.locale||"",keyEventData+132,32);if(wasmTable.get(callbackfunc)(eventTypeId,keyEventData,userData))e.preventDefault()};var eventHandler={target:findEventTarget(target),allowsDeferredCalls:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:keyEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_keydown_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerKeyEventCallback(target,userData,useCapture,callbackfunc,2,"keydown",targetThread);return 0}function _emscripten_set_keypress_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerKeyEventCallback(target,userData,useCapture,callbackfunc,1,"keypress",targetThread);return 0}function _emscripten_set_keyup_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerKeyEventCallback(target,userData,useCapture,callbackfunc,3,"keyup",targetThread);return 0}function _emscripten_set_main_loop(func,fps,simulateInfiniteLoop){var browserIterationFunc=wasmTable.get(func);setMainLoop(browserIterationFunc,fps,simulateInfiniteLoop)}function fillMouseEventData(eventStruct,e,target){var idx=eventStruct>>2;HEAP32[idx+0]=e.screenX;HEAP32[idx+1]=e.screenY;HEAP32[idx+2]=e.clientX;HEAP32[idx+3]=e.clientY;HEAP32[idx+4]=e.ctrlKey;HEAP32[idx+5]=e.shiftKey;HEAP32[idx+6]=e.altKey;HEAP32[idx+7]=e.metaKey;HEAP16[idx*2+16]=e.button;HEAP16[idx*2+17]=e.buttons;HEAP32[idx+9]=e["movementX"];HEAP32[idx+10]=e["movementY"];var rect=getBoundingClientRect(target);HEAP32[idx+11]=e.clientX-rect.left;HEAP32[idx+12]=e.clientY-rect.top}function registerMouseEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.mouseEvent)JSEvents.mouseEvent=_malloc(64);target=findEventTarget(target);var mouseEventHandlerFunc=function(ev){var e=ev||event;fillMouseEventData(JSEvents.mouseEvent,e,target);if(wasmTable.get(callbackfunc)(eventTypeId,JSEvents.mouseEvent,userData))e.preventDefault()};var eventHandler={target:target,allowsDeferredCalls:eventTypeString!="mousemove"&&eventTypeString!="mouseenter"&&eventTypeString!="mouseleave",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:mouseEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_mousedown_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerMouseEventCallback(target,userData,useCapture,callbackfunc,5,"mousedown",targetThread);return 0}function _emscripten_set_mousemove_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerMouseEventCallback(target,userData,useCapture,callbackfunc,8,"mousemove",targetThread);return 0}function _emscripten_set_mouseup_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerMouseEventCallback(target,userData,useCapture,callbackfunc,6,"mouseup",targetThread);return 0}function registerTouchEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.touchEvent)JSEvents.touchEvent=_malloc(1684);target=findEventTarget(target);var touchEventHandlerFunc=function(e){var touches={};var et=e.touches;for(var i=0;i<et.length;++i){var touch=et[i];touches[touch.identifier]=touch}et=e.changedTouches;for(var i=0;i<et.length;++i){var touch=et[i];touch.isChanged=1;touches[touch.identifier]=touch}et=e.targetTouches;for(var i=0;i<et.length;++i){touches[et[i].identifier].onTarget=1}var touchEvent=JSEvents.touchEvent;var idx=touchEvent>>2;HEAP32[idx+1]=e.ctrlKey;HEAP32[idx+2]=e.shiftKey;HEAP32[idx+3]=e.altKey;HEAP32[idx+4]=e.metaKey;idx+=5;var targetRect=getBoundingClientRect(target);var numTouches=0;for(var i in touches){var t=touches[i];HEAP32[idx+0]=t.identifier;HEAP32[idx+1]=t.screenX;HEAP32[idx+2]=t.screenY;HEAP32[idx+3]=t.clientX;HEAP32[idx+4]=t.clientY;HEAP32[idx+5]=t.pageX;HEAP32[idx+6]=t.pageY;HEAP32[idx+7]=t.isChanged;HEAP32[idx+8]=t.onTarget;HEAP32[idx+9]=t.clientX-targetRect.left;HEAP32[idx+10]=t.clientY-targetRect.top;idx+=13;if(++numTouches>31){break}}HEAP32[touchEvent>>2]=numTouches;if(wasmTable.get(callbackfunc)(eventTypeId,touchEvent,userData))e.preventDefault()};var eventHandler={target:target,allowsDeferredCalls:eventTypeString=="touchstart"||eventTypeString=="touchend",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:touchEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_touchcancel_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerTouchEventCallback(target,userData,useCapture,callbackfunc,25,"touchcancel",targetThread);return 0}function _emscripten_set_touchend_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerTouchEventCallback(target,userData,useCapture,callbackfunc,23,"touchend",targetThread);return 0}function _emscripten_set_touchmove_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerTouchEventCallback(target,userData,useCapture,callbackfunc,24,"touchmove",targetThread);return 0}function _emscripten_set_touchstart_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerTouchEventCallback(target,userData,useCapture,callbackfunc,22,"touchstart",targetThread);return 0}function registerWheelEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.wheelEvent)JSEvents.wheelEvent=_malloc(96);var wheelHandlerFunc=function(ev){var e=ev||event;var wheelEvent=JSEvents.wheelEvent;fillMouseEventData(wheelEvent,e,target);HEAPF64[wheelEvent+64>>3]=e["deltaX"];HEAPF64[wheelEvent+72>>3]=e["deltaY"];HEAPF64[wheelEvent+80>>3]=e["deltaZ"];HEAP32[wheelEvent+88>>2]=e["deltaMode"];if(wasmTable.get(callbackfunc)(eventTypeId,wheelEvent,userData))e.preventDefault()};var eventHandler={target:target,allowsDeferredCalls:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:wheelHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_wheel_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){target=findEventTarget(target);if(typeof target.onwheel!=="undefined"){registerWheelEventCallback(target,userData,useCapture,callbackfunc,9,"wheel",targetThread);return 0}else{return-1}}function _emscripten_thread_sleep(msecs){var start=_emscripten_get_now();while(_emscripten_get_now()-start<msecs){}}var __emscripten_webgl_power_preferences=["default","low-power","high-performance"];function _emscripten_webgl_do_create_context(target,attributes){var a=attributes>>2;var powerPreference=HEAP32[a+(24>>2)];var contextAttributes={"alpha":!!HEAP32[a+(0>>2)],"depth":!!HEAP32[a+(4>>2)],"stencil":!!HEAP32[a+(8>>2)],"antialias":!!HEAP32[a+(12>>2)],"premultipliedAlpha":!!HEAP32[a+(16>>2)],"preserveDrawingBuffer":!!HEAP32[a+(20>>2)],"powerPreference":__emscripten_webgl_power_preferences[powerPreference],"failIfMajorPerformanceCaveat":!!HEAP32[a+(28>>2)],majorVersion:HEAP32[a+(32>>2)],minorVersion:HEAP32[a+(36>>2)],enableExtensionsByDefault:HEAP32[a+(40>>2)],explicitSwapControl:HEAP32[a+(44>>2)],proxyContextToMainThread:HEAP32[a+(48>>2)],renderViaOffscreenBackBuffer:HEAP32[a+(52>>2)]};var canvas=findCanvasEventTarget(target);if(!canvas){return 0}if(contextAttributes.explicitSwapControl&&!contextAttributes.renderViaOffscreenBackBuffer){contextAttributes.renderViaOffscreenBackBuffer=true}var contextHandle=GL.createContext(canvas,contextAttributes);return contextHandle}function _emscripten_webgl_create_context(a0,a1){return _emscripten_webgl_do_create_context(a0,a1)}function _emscripten_webgl_do_get_current_context(){return GL.currentContext?GL.currentContext.handle:0}function _emscripten_webgl_get_current_context(){return _emscripten_webgl_do_get_current_context()}Module["_emscripten_webgl_get_current_context"]=_emscripten_webgl_get_current_context;function _emscripten_webgl_make_context_current(contextHandle){var success=GL.makeContextCurrent(contextHandle);return success?0:-5}Module["_emscripten_webgl_make_context_current"]=_emscripten_webgl_make_context_current;function _emscripten_webgl_destroy_context(contextHandle){if(GL.currentContext==contextHandle)GL.currentContext=0;GL.deleteContext(contextHandle)}function _emscripten_webgl_init_context_attributes(attributes){var a=attributes>>2;for(var i=0;i<56>>2;++i){HEAP32[a+i]=0}HEAP32[a+(0>>2)]=HEAP32[a+(4>>2)]=HEAP32[a+(12>>2)]=HEAP32[a+(16>>2)]=HEAP32[a+(32>>2)]=HEAP32[a+(40>>2)]=1}var ENV={};function getExecutableName(){return thisProgram||"./this.program"}function getEnvStrings(){if(!getEnvStrings.strings){var lang=(typeof navigator==="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={"USER":"web_user","LOGNAME":"web_user","PATH":"/","PWD":"/","HOME":"/home/web_user","LANG":lang,"_":getExecutableName()};for(var x in ENV){env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(x+"="+env[x])}getEnvStrings.strings=strings}return getEnvStrings.strings}function _environ_get(__environ,environ_buf){try{var bufSize=0;getEnvStrings().forEach(function(string,i){var ptr=environ_buf+bufSize;HEAP32[__environ+i*4>>2]=ptr;writeAsciiToMemory(string,ptr);bufSize+=string.length+1});return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function _environ_sizes_get(penviron_count,penviron_buf_size){try{var strings=getEnvStrings();HEAP32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(function(string){bufSize+=string.length+1});HEAP32[penviron_buf_size>>2]=bufSize;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function _fd_close(fd){try{var stream=SYSCALLS.getStreamFromFD(fd);FS.close(stream);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function _fd_fdstat_get(fd,pbuf){try{var stream=SYSCALLS.getStreamFromFD(fd);var type=stream.tty?2:FS.isDir(stream.mode)?3:FS.isLink(stream.mode)?7:4;HEAP8[pbuf>>0]=type;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function _fd_read(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=SYSCALLS.doReadv(stream,iov,iovcnt);HEAP32[pnum>>2]=num;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){try{var stream=SYSCALLS.getStreamFromFD(fd);var HIGH_OFFSET=4294967296;var offset=offset_high*HIGH_OFFSET+(offset_low>>>0);var DOUBLE_LIMIT=9007199254740992;if(offset<=-DOUBLE_LIMIT||offset>=DOUBLE_LIMIT){return-61}FS.llseek(stream,offset,whence);tempI64=[stream.position>>>0,(tempDouble=stream.position,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[newOffset>>2]=tempI64[0],HEAP32[newOffset+4>>2]=tempI64[1];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 _fd_write(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=SYSCALLS.doWritev(stream,iov,iovcnt);HEAP32[pnum>>2]=num;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}var GAI_ERRNO_MESSAGES={};function _gai_strerror(val){var buflen=256;if(!_gai_strerror.buffer){_gai_strerror.buffer=_malloc(buflen);GAI_ERRNO_MESSAGES["0"]="Success";GAI_ERRNO_MESSAGES[""+-1]="Invalid value for 'ai_flags' field";GAI_ERRNO_MESSAGES[""+-2]="NAME or SERVICE is unknown";GAI_ERRNO_MESSAGES[""+-3]="Temporary failure in name resolution";GAI_ERRNO_MESSAGES[""+-4]="Non-recoverable failure in name res";GAI_ERRNO_MESSAGES[""+-6]="'ai_family' not supported";GAI_ERRNO_MESSAGES[""+-7]="'ai_socktype' not supported";GAI_ERRNO_MESSAGES[""+-8]="SERVICE not supported for 'ai_socktype'";GAI_ERRNO_MESSAGES[""+-10]="Memory allocation failure";GAI_ERRNO_MESSAGES[""+-11]="System error returned in 'errno'";GAI_ERRNO_MESSAGES[""+-12]="Argument buffer overflow"}var msg="Unknown error";if(val in GAI_ERRNO_MESSAGES){if(GAI_ERRNO_MESSAGES[val].length>buflen-1){msg="Message too long"}else{msg=GAI_ERRNO_MESSAGES[val]}}writeAsciiToMemory(msg,_gai_strerror.buffer);return _gai_strerror.buffer}function _getTempRet0(){return getTempRet0()|0}function _getaddrinfo(node,service,hint,out){var addr=0;var port=0;var flags=0;var family=0;var type=0;var proto=0;var ai;function allocaddrinfo(family,type,proto,canon,addr,port){var sa,salen,ai;var errno;salen=family===10?28:16;addr=family===10?inetNtop6(addr):inetNtop4(addr);sa=_malloc(salen);errno=writeSockaddr(sa,family,addr,port);assert(!errno);ai=_malloc(32);HEAP32[ai+4>>2]=family;HEAP32[ai+8>>2]=type;HEAP32[ai+12>>2]=proto;HEAP32[ai+24>>2]=canon;HEAP32[ai+20>>2]=sa;if(family===10){HEAP32[ai+16>>2]=28}else{HEAP32[ai+16>>2]=16}HEAP32[ai+28>>2]=0;return ai}if(hint){flags=HEAP32[hint>>2];family=HEAP32[hint+4>>2];type=HEAP32[hint+8>>2];proto=HEAP32[hint+12>>2]}if(type&&!proto){proto=type===2?17:6}if(!type&&proto){type=proto===17?2:1}if(proto===0){proto=6}if(type===0){type=1}if(!node&&!service){return-2}if(flags&~(1|2|4|1024|8|16|32)){return-1}if(hint!==0&&HEAP32[hint>>2]&2&&!node){return-1}if(flags&32){return-2}if(type!==0&&type!==1&&type!==2){return-7}if(family!==0&&family!==2&&family!==10){return-6}if(service){service=UTF8ToString(service);port=parseInt(service,10);if(isNaN(port)){if(flags&1024){return-2}return-8}}if(!node){if(family===0){family=2}if((flags&1)===0){if(family===2){addr=_htonl(2130706433)}else{addr=[0,0,0,1]}}ai=allocaddrinfo(family,type,proto,null,addr,port);HEAP32[out>>2]=ai;return 0}node=UTF8ToString(node);addr=inetPton4(node);if(addr!==null){if(family===0||family===2){family=2}else if(family===10&&flags&8){addr=[0,0,_htonl(65535),addr];family=10}else{return-2}}else{addr=inetPton6(node);if(addr!==null){if(family===0||family===10){family=10}else{return-2}}}if(addr!=null){ai=allocaddrinfo(family,type,proto,node,addr,port);HEAP32[out>>2]=ai;return 0}if(flags&4){return-2}node=DNS.lookup_name(node);addr=inetPton4(node);if(family===0){family=2}else if(family===10){addr=[0,0,_htonl(65535),addr]}ai=allocaddrinfo(family,type,proto,null,addr,port);HEAP32[out>>2]=ai;return 0}function _getnameinfo(sa,salen,node,nodelen,serv,servlen,flags){var info=readSockaddr(sa,salen);if(info.errno){return-6}var port=info.port;var addr=info.addr;var overflowed=false;if(node&&nodelen){var lookup;if(flags&1||!(lookup=DNS.lookup_addr(addr))){if(flags&8){return-2}}else{addr=lookup}var numBytesWrittenExclNull=stringToUTF8(addr,node,nodelen);if(numBytesWrittenExclNull+1>=nodelen){overflowed=true}}if(serv&&servlen){port=""+port;var numBytesWrittenExclNull=stringToUTF8(port,serv,servlen);if(numBytesWrittenExclNull+1>=servlen){overflowed=true}}if(overflowed){return-12}return 0}function _gettimeofday(ptr){var now=Date.now();HEAP32[ptr>>2]=now/1e3|0;HEAP32[ptr+4>>2]=now%1e3*1e3|0;return 0}function _glActiveTexture(x0){GLctx["activeTexture"](x0)}function _glAttachShader(program,shader){GLctx.attachShader(GL.programs[program],GL.shaders[shader])}function _glBeginTransformFeedback(x0){GLctx["beginTransformFeedback"](x0)}function _glBindAttribLocation(program,index,name){GLctx.bindAttribLocation(GL.programs[program],index,UTF8ToString(name))}function _glBindBuffer(target,buffer){if(target==35051){GLctx.currentPixelPackBufferBinding=buffer}else if(target==35052){GLctx.currentPixelUnpackBufferBinding=buffer}GLctx.bindBuffer(target,GL.buffers[buffer])}function _glBindBufferBase(target,index,buffer){GLctx["bindBufferBase"](target,index,GL.buffers[buffer])}function _glBindFramebuffer(target,framebuffer){GLctx.bindFramebuffer(target,framebuffer?GL.framebuffers[framebuffer]:GL.currentContext.defaultFbo)}function _glBindRenderbuffer(target,renderbuffer){GLctx.bindRenderbuffer(target,GL.renderbuffers[renderbuffer])}function _glBindTexture(target,texture){GLctx.bindTexture(target,GL.textures[texture])}function _glBindVertexArray(vao){GLctx["bindVertexArray"](GL.vaos[vao])}function _glBlendEquation(x0){GLctx["blendEquation"](x0)}function _glBlendFunc(x0,x1){GLctx["blendFunc"](x0,x1)}function _glBlendFuncSeparate(x0,x1,x2,x3){GLctx["blendFuncSeparate"](x0,x1,x2,x3)}function _glBlitFramebuffer(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9){GLctx["blitFramebuffer"](x0,x1,x2,x3,x4,x5,x6,x7,x8,x9)}function _glBufferData(target,size,data,usage){if(GL.currentContext.version>=2){if(data){GLctx.bufferData(target,HEAPU8,usage,data,size)}else{GLctx.bufferData(target,size,usage)}}else{GLctx.bufferData(target,data?HEAPU8.subarray(data,data+size):size,usage)}}function _glBufferSubData(target,offset,size,data){if(GL.currentContext.version>=2){GLctx.bufferSubData(target,offset,HEAPU8,data,size);return}GLctx.bufferSubData(target,offset,HEAPU8.subarray(data,data+size))}function _glCheckFramebufferStatus(x0){return GLctx["checkFramebufferStatus"](x0)}function _glClear(x0){GLctx["clear"](x0)}function _glClearBufferfv(buffer,drawbuffer,value){GLctx["clearBufferfv"](buffer,drawbuffer,HEAPF32,value>>2)}function _glClearColor(x0,x1,x2,x3){GLctx["clearColor"](x0,x1,x2,x3)}function _glClearDepthf(x0){GLctx["clearDepth"](x0)}function _glColorMask(red,green,blue,alpha){GLctx.colorMask(!!red,!!green,!!blue,!!alpha)}function _glCompileShader(shader){GLctx.compileShader(GL.shaders[shader])}function _glCompressedTexImage2D(target,level,internalFormat,width,height,border,imageSize,data){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,imageSize,data)}else{GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,HEAPU8,data,imageSize)}return}GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,data?HEAPU8.subarray(data,data+imageSize):null)}function _glCompressedTexImage3D(target,level,internalFormat,width,height,depth,border,imageSize,data){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexImage3D"](target,level,internalFormat,width,height,depth,border,imageSize,data)}else{GLctx["compressedTexImage3D"](target,level,internalFormat,width,height,depth,border,HEAPU8,data,imageSize)}}function _glCompressedTexSubImage2D(target,level,xoffset,yoffset,width,height,format,imageSize,data){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,imageSize,data)}else{GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,HEAPU8,data,imageSize)}return}GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,data?HEAPU8.subarray(data,data+imageSize):null)}function _glCompressedTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data){if(GLctx.currentPixelUnpackBufferBinding){GLctx["compressedTexSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data)}else{GLctx["compressedTexSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,HEAPU8,data,imageSize)}}function _glCopyBufferSubData(x0,x1,x2,x3,x4){GLctx["copyBufferSubData"](x0,x1,x2,x3,x4)}function _glCopyTexSubImage2D(x0,x1,x2,x3,x4,x5,x6,x7){GLctx["copyTexSubImage2D"](x0,x1,x2,x3,x4,x5,x6,x7)}function _glCreateProgram(){var id=GL.getNewId(GL.programs);var program=GLctx.createProgram();program.name=id;GL.programs[id]=program;return id}function _glCreateShader(shaderType){var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id}function _glCullFace(x0){GLctx["cullFace"](x0)}function _glDeleteBuffers(n,buffers){for(var i=0;i<n;i++){var id=HEAP32[buffers+i*4>>2];var buffer=GL.buffers[id];if(!buffer)continue;GLctx.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;if(id==GLctx.currentPixelPackBufferBinding)GLctx.currentPixelPackBufferBinding=0;if(id==GLctx.currentPixelUnpackBufferBinding)GLctx.currentPixelUnpackBufferBinding=0}}function _glDeleteFramebuffers(n,framebuffers){for(var i=0;i<n;++i){var id=HEAP32[framebuffers+i*4>>2];var framebuffer=GL.framebuffers[id];if(!framebuffer)continue;GLctx.deleteFramebuffer(framebuffer);framebuffer.name=0;GL.framebuffers[id]=null}}function _glDeleteProgram(id){if(!id)return;var program=GL.programs[id];if(!program){GL.recordError(1281);return}GLctx.deleteProgram(program);program.name=0;GL.programs[id]=null;GL.programInfos[id]=null}function _glDeleteRenderbuffers(n,renderbuffers){for(var i=0;i<n;i++){var id=HEAP32[renderbuffers+i*4>>2];var renderbuffer=GL.renderbuffers[id];if(!renderbuffer)continue;GLctx.deleteRenderbuffer(renderbuffer);renderbuffer.name=0;GL.renderbuffers[id]=null}}function _glDeleteShader(id){if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null}function _glDeleteTextures(n,textures){for(var i=0;i<n;i++){var id=HEAP32[textures+i*4>>2];var texture=GL.textures[id];if(!texture)continue;GLctx.deleteTexture(texture);texture.name=0;GL.textures[id]=null}}function _glDeleteVertexArrays(n,vaos){for(var i=0;i<n;i++){var id=HEAP32[vaos+i*4>>2];GLctx["deleteVertexArray"](GL.vaos[id]);GL.vaos[id]=null}}function _glDepthFunc(x0){GLctx["depthFunc"](x0)}function _glDepthMask(flag){GLctx.depthMask(!!flag)}function _glDisable(x0){GLctx["disable"](x0)}function _glDisableVertexAttribArray(index){GLctx.disableVertexAttribArray(index)}function _glDrawArrays(mode,first,count){GLctx.drawArrays(mode,first,count)}function _glDrawArraysInstanced(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _glDrawBuffers(n,bufs){var bufArray=tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx["drawBuffers"](bufArray)}function _glDrawElementsInstanced(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _glEnable(x0){GLctx["enable"](x0)}function _glEnableVertexAttribArray(index){GLctx.enableVertexAttribArray(index)}function _glEndTransformFeedback(){GLctx["endTransformFeedback"]()}function _glFinish(){GLctx["finish"]()}function _glFramebufferRenderbuffer(target,attachment,renderbuffertarget,renderbuffer){GLctx.framebufferRenderbuffer(target,attachment,renderbuffertarget,GL.renderbuffers[renderbuffer])}function _glFramebufferTexture2D(target,attachment,textarget,texture,level){GLctx.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level)}function _glFramebufferTextureLayer(target,attachment,texture,level,layer){GLctx.framebufferTextureLayer(target,attachment,GL.textures[texture],level,layer)}function _glFrontFace(x0){GLctx["frontFace"](x0)}function _glGenBuffers(n,buffers){__glGenObject(n,buffers,"createBuffer",GL.buffers)}function _glGenFramebuffers(n,ids){__glGenObject(n,ids,"createFramebuffer",GL.framebuffers)}function _glGenRenderbuffers(n,renderbuffers){__glGenObject(n,renderbuffers,"createRenderbuffer",GL.renderbuffers)}function _glGenTextures(n,textures){__glGenObject(n,textures,"createTexture",GL.textures)}function _glGenVertexArrays(n,arrays){__glGenObject(n,arrays,"createVertexArray",GL.vaos)}function _glGenerateMipmap(x0){GLctx["generateMipmap"](x0)}function _glGetError(){var error=GLctx.getError()||GL.lastError;GL.lastError=0;return error}function _glGetFloatv(name_,p){emscriptenWebGLGet(name_,p,2)}function _glGetIntegerv(name_,p){emscriptenWebGLGet(name_,p,0)}function _glGetProgramInfoLog(program,maxLength,length,infoLog){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _glGetProgramiv(program,pname,p){if(!p){GL.recordError(1281);return}if(program>=GL.counter){GL.recordError(1281);return}var ptable=GL.programInfos[program];if(!ptable){GL.recordError(1282);return}if(pname==35716){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35719){HEAP32[p>>2]=ptable.maxUniformLength}else if(pname==35722){if(ptable.maxAttributeLength==-1){program=GL.programs[program];var numAttribs=GLctx.getProgramParameter(program,35721);ptable.maxAttributeLength=0;for(var i=0;i<numAttribs;++i){var activeAttrib=GLctx.getActiveAttrib(program,i);ptable.maxAttributeLength=Math.max(ptable.maxAttributeLength,activeAttrib.name.length+1)}}HEAP32[p>>2]=ptable.maxAttributeLength}else if(pname==35381){if(ptable.maxUniformBlockNameLength==-1){program=GL.programs[program];var numBlocks=GLctx.getProgramParameter(program,35382);ptable.maxUniformBlockNameLength=0;for(var i=0;i<numBlocks;++i){var activeBlockName=GLctx.getActiveUniformBlockName(program,i);ptable.maxUniformBlockNameLength=Math.max(ptable.maxUniformBlockNameLength,activeBlockName.length+1)}}HEAP32[p>>2]=ptable.maxUniformBlockNameLength}else{HEAP32[p>>2]=GLctx.getProgramParameter(GL.programs[program],pname)}}function _glGetShaderInfoLog(shader,maxLength,length,infoLog){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _glGetShaderiv(shader,pname,p){if(!p){GL.recordError(1281);return}if(pname==35716){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var logLength=log?log.length+1:0;HEAP32[p>>2]=logLength}else if(pname==35720){var source=GLctx.getShaderSource(GL.shaders[shader]);var sourceLength=source?source.length+1:0;HEAP32[p>>2]=sourceLength}else{HEAP32[p>>2]=GLctx.getShaderParameter(GL.shaders[shader],pname)}}function _glGetString(name_){if(GL.stringCache[name_])return GL.stringCache[name_];var ret;switch(name_){case 7939:var exts=GLctx.getSupportedExtensions()||[];exts=exts.concat(exts.map(function(e){return"GL_"+e}));ret=stringToNewUTF8(exts.join(" "));break;case 7936:case 7937:case 37445:case 37446:var s=GLctx.getParameter(name_);if(!s){GL.recordError(1280)}ret=stringToNewUTF8(s);break;case 7938:var glVersion=GLctx.getParameter(7938);if(GL.currentContext.version>=2)glVersion="OpenGL ES 3.0 ("+glVersion+")";else{glVersion="OpenGL ES 2.0 ("+glVersion+")"}ret=stringToNewUTF8(glVersion);break;case 35724:var glslVersion=GLctx.getParameter(35724);var ver_re=/^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;var ver_num=glslVersion.match(ver_re);if(ver_num!==null){if(ver_num[1].length==3)ver_num[1]=ver_num[1]+"0";glslVersion="OpenGL ES GLSL ES "+ver_num[1]+" ("+glslVersion+")"}ret=stringToNewUTF8(glslVersion);break;default:GL.recordError(1280);return 0}GL.stringCache[name_]=ret;return ret}function _glGetStringi(name,index){if(GL.currentContext.version<2){GL.recordError(1282);return 0}var stringiCache=GL.stringiCache[name];if(stringiCache){if(index<0||index>=stringiCache.length){GL.recordError(1281);return 0}return stringiCache[index]}switch(name){case 7939:var exts=GLctx.getSupportedExtensions()||[];exts=exts.concat(exts.map(function(e){return"GL_"+e}));exts=exts.map(function(e){return stringToNewUTF8(e)});stringiCache=GL.stringiCache[name]=exts;if(index<0||index>=stringiCache.length){GL.recordError(1281);return 0}return stringiCache[index];default:GL.recordError(1280);return 0}}function _glGetUniformBlockIndex(program,uniformBlockName){return GLctx["getUniformBlockIndex"](GL.programs[program],UTF8ToString(uniformBlockName))}function _glGetUniformLocation(program,name){name=UTF8ToString(name);var arrayIndex=0;if(name[name.length-1]=="]"){var leftBrace=name.lastIndexOf("[");arrayIndex=name[leftBrace+1]!="]"?jstoi_q(name.slice(leftBrace+1)):0;name=name.slice(0,leftBrace)}var uniformInfo=GL.programInfos[program]&&GL.programInfos[program].uniforms[name];if(uniformInfo&&arrayIndex>=0&&arrayIndex<uniformInfo[0]){return uniformInfo[1]+arrayIndex}else{return-1}}function _glInvalidateFramebuffer(target,numAttachments,attachments){var list=tempFixedLengthArray[numAttachments];for(var i=0;i<numAttachments;i++){list[i]=HEAP32[attachments+i*4>>2]}GLctx["invalidateFramebuffer"](target,list)}function _glLinkProgram(program){GLctx.linkProgram(GL.programs[program]);GL.populateUniformTable(program)}function _glPixelStorei(pname,param){if(pname==3317){GL.unpackAlignment=param}GLctx.pixelStorei(pname,param)}function _glReadBuffer(x0){GLctx["readBuffer"](x0)}function _glReadPixels(x,y,width,height,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelPackBufferBinding){GLctx.readPixels(x,y,width,height,format,type,pixels)}else{var heap=heapObjectForWebGLType(type);GLctx.readPixels(x,y,width,height,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}return}var pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,format);if(!pixelData){GL.recordError(1280);return}GLctx.readPixels(x,y,width,height,format,type,pixelData)}function _glRenderbufferStorage(x0,x1,x2,x3){GLctx["renderbufferStorage"](x0,x1,x2,x3)}function _glRenderbufferStorageMultisample(x0,x1,x2,x3,x4){GLctx["renderbufferStorageMultisample"](x0,x1,x2,x3,x4)}function _glScissor(x0,x1,x2,x3){GLctx["scissor"](x0,x1,x2,x3)}function _glShaderSource(shader,count,string,length){var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)}function _glTexImage2D(target,level,internalFormat,width,height,border,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,null)}return}GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels?emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat):null)}function _glTexImage3D(target,level,internalFormat,width,height,depth,border,format,type,pixels){if(GLctx.currentPixelUnpackBufferBinding){GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx["texImage3D"](target,level,internalFormat,width,height,depth,border,format,type,null)}}function _glTexParameterf(x0,x1,x2){GLctx["texParameterf"](x0,x1,x2)}function _glTexParameteri(x0,x1,x2){GLctx["texParameteri"](x0,x1,x2)}function _glTexStorage2D(x0,x1,x2,x3,x4){GLctx["texStorage2D"](x0,x1,x2,x3,x4)}function _glTexSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels){if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,null)}return}var pixelData=null;if(pixels)pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,0);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixelData)}function _glTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels){if(GLctx.currentPixelUnpackBufferBinding){GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,heap,pixels>>heapAccessShiftForWebGLHeap(heap))}else{GLctx["texSubImage3D"](target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,null)}}function _glTransformFeedbackVaryings(program,count,varyings,bufferMode){program=GL.programs[program];var vars=[];for(var i=0;i<count;i++)vars.push(UTF8ToString(HEAP32[varyings+i*4>>2]));GLctx["transformFeedbackVaryings"](program,vars,bufferMode)}function _glUniform1f(location,v0){GLctx.uniform1f(GL.uniforms[location],v0)}function _glUniform1i(location,v0){GLctx.uniform1i(GL.uniforms[location],v0)}function _glUniform1iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform1iv(GL.uniforms[location],HEAP32,value>>2,count);return}if(count<=288){var view=__miniTempWebGLIntBuffers[count-1];for(var i=0;i<count;++i){view[i]=HEAP32[value+4*i>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*4>>2)}GLctx.uniform1iv(GL.uniforms[location],view)}function _glUniform1ui(location,v0){GLctx.uniform1ui(GL.uniforms[location],v0)}function _glUniform2f(location,v0,v1){GLctx.uniform2f(GL.uniforms[location],v0,v1)}function _glUniform2fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform2fv(GL.uniforms[location],HEAPF32,value>>2,count*2);return}if(count<=144){var view=miniTempWebGLFloatBuffers[2*count-1];for(var i=0;i<2*count;i+=2){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2fv(GL.uniforms[location],view)}function _glUniform2i(location,v0,v1){GLctx.uniform2i(GL.uniforms[location],v0,v1)}function _glUniform2iv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform2iv(GL.uniforms[location],HEAP32,value>>2,count*2);return}if(count<=144){var view=__miniTempWebGLIntBuffers[2*count-1];for(var i=0;i<2*count;i+=2){view[i]=HEAP32[value+4*i>>2];view[i+1]=HEAP32[value+(4*i+4)>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2iv(GL.uniforms[location],view)}function _glUniform3f(location,v0,v1,v2){GLctx.uniform3f(GL.uniforms[location],v0,v1,v2)}function _glUniform3fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform3fv(GL.uniforms[location],HEAPF32,value>>2,count*3);return}if(count<=96){var view=miniTempWebGLFloatBuffers[3*count-1];for(var i=0;i<3*count;i+=3){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*12>>2)}GLctx.uniform3fv(GL.uniforms[location],view)}function _glUniform3i(location,v0,v1,v2){GLctx.uniform3i(GL.uniforms[location],v0,v1,v2)}function _glUniform4f(location,v0,v1,v2,v3){GLctx.uniform4f(GL.uniforms[location],v0,v1,v2,v3)}function _glUniform4fv(location,count,value){if(GL.currentContext.version>=2){GLctx.uniform4fv(GL.uniforms[location],HEAPF32,value>>2,count*4);return}if(count<=72){var view=miniTempWebGLFloatBuffers[4*count-1];var heap=HEAPF32;value>>=2;for(var i=0;i<4*count;i+=4){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3]}}else{var view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniform4fv(GL.uniforms[location],view)}function _glUniform4i(location,v0,v1,v2,v3){GLctx.uniform4i(GL.uniforms[location],v0,v1,v2,v3)}function _glUniformBlockBinding(program,uniformBlockIndex,uniformBlockBinding){program=GL.programs[program];GLctx["uniformBlockBinding"](program,uniformBlockIndex,uniformBlockBinding)}function _glUniformMatrix2fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix2fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*4);return}if(count<=72){var view=miniTempWebGLFloatBuffers[4*count-1];for(var i=0;i<4*count;i+=4){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniformMatrix2fv(GL.uniforms[location],!!transpose,view)}function _glUniformMatrix3fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix3fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*9);return}if(count<=32){var view=miniTempWebGLFloatBuffers[9*count-1];for(var i=0;i<9*count;i+=9){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2];view[i+4]=HEAPF32[value+(4*i+16)>>2];view[i+5]=HEAPF32[value+(4*i+20)>>2];view[i+6]=HEAPF32[value+(4*i+24)>>2];view[i+7]=HEAPF32[value+(4*i+28)>>2];view[i+8]=HEAPF32[value+(4*i+32)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*36>>2)}GLctx.uniformMatrix3fv(GL.uniforms[location],!!transpose,view)}function _glUniformMatrix4fv(location,count,transpose,value){if(GL.currentContext.version>=2){GLctx.uniformMatrix4fv(GL.uniforms[location],!!transpose,HEAPF32,value>>2,count*16);return}if(count<=18){var view=miniTempWebGLFloatBuffers[16*count-1];var heap=HEAPF32;value>>=2;for(var i=0;i<16*count;i+=16){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3];view[i+4]=heap[dst+4];view[i+5]=heap[dst+5];view[i+6]=heap[dst+6];view[i+7]=heap[dst+7];view[i+8]=heap[dst+8];view[i+9]=heap[dst+9];view[i+10]=heap[dst+10];view[i+11]=heap[dst+11];view[i+12]=heap[dst+12];view[i+13]=heap[dst+13];view[i+14]=heap[dst+14];view[i+15]=heap[dst+15]}}else{var view=HEAPF32.subarray(value>>2,value+count*64>>2)}GLctx.uniformMatrix4fv(GL.uniforms[location],!!transpose,view)}function _glUseProgram(program){GLctx.useProgram(GL.programs[program])}function _glVertexAttrib4f(x0,x1,x2,x3,x4){GLctx["vertexAttrib4f"](x0,x1,x2,x3,x4)}function _glVertexAttrib4fv(index,v){GLctx.vertexAttrib4f(index,HEAPF32[v>>2],HEAPF32[v+4>>2],HEAPF32[v+8>>2],HEAPF32[v+12>>2])}function _glVertexAttribDivisor(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _glVertexAttribI4ui(x0,x1,x2,x3,x4){GLctx["vertexAttribI4ui"](x0,x1,x2,x3,x4)}function _glVertexAttribIPointer(index,size,type,stride,ptr){GLctx["vertexAttribIPointer"](index,size,type,stride,ptr)}function _glVertexAttribPointer(index,size,type,normalized,stride,ptr){GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)}function _glViewport(x0,x1,x2,x3){GLctx["viewport"](x0,x1,x2,x3)}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;if(!_gmtime_r.GMTString)_gmtime_r.GMTString=allocateUTF8("GMT");HEAP32[tmPtr+40>>2]=_gmtime_r.GMTString;return tmPtr}var GodotRuntime={get_func:function(ptr){return wasmTable.get(ptr)},error:function(){err.apply(null,Array.from(arguments))},print:function(){out.apply(null,Array.from(arguments))},malloc:function(p_size){return _malloc(p_size)},free:function(p_ptr){_free(p_ptr)},getHeapValue:function(p_ptr,p_type){return getValue(p_ptr,p_type)},setHeapValue:function(p_ptr,p_value,p_type){setValue(p_ptr,p_value,p_type)},heapSub:function(p_heap,p_ptr,p_len){const bytes=p_heap.BYTES_PER_ELEMENT;return p_heap.subarray(p_ptr/bytes,p_ptr/bytes+p_len)},heapSlice:function(p_heap,p_ptr,p_len){const bytes=p_heap.BYTES_PER_ELEMENT;return p_heap.slice(p_ptr/bytes,p_ptr/bytes+p_len)},heapCopy:function(p_dst,p_src,p_ptr){const bytes=p_src.BYTES_PER_ELEMENT;return p_dst.set(p_src,p_ptr/bytes)},parseString:function(p_ptr){return UTF8ToString(p_ptr)},parseStringArray:function(p_ptr,p_size){const strings=[];const ptrs=GodotRuntime.heapSub(HEAP32,p_ptr,p_size);ptrs.forEach(function(ptr){strings.push(GodotRuntime.parseString(ptr))});return strings},strlen:function(p_str){return lengthBytesUTF8(p_str)},allocString:function(p_str){const length=GodotRuntime.strlen(p_str)+1;const c_str=GodotRuntime.malloc(length);stringToUTF8(p_str,c_str,length);return c_str},allocStringArray:function(p_strings){const size=p_strings.length;const c_ptr=GodotRuntime.malloc(size*4);for(let i=0;i<size;i++){HEAP32[(c_ptr>>2)+i]=GodotRuntime.allocString(p_strings[i])}return c_ptr},freeStringArray:function(p_ptr,p_len){for(let i=0;i<p_len;i++){GodotRuntime.free(HEAP32[(p_ptr>>2)+i])}GodotRuntime.free(p_ptr)},stringToHeap:function(p_str,p_ptr,p_len){return stringToUTF8Array(p_str,HEAP8,p_ptr,p_len)}};var GodotConfig={canvas:null,locale:"en",canvas_resize_policy:2,virtual_keyboard:false,persistent_drops:false,on_execute:null,on_exit:null,init_config:function(p_opts){GodotConfig.canvas_resize_policy=p_opts["canvasResizePolicy"];GodotConfig.canvas=p_opts["canvas"];GodotConfig.locale=p_opts["locale"]||GodotConfig.locale;GodotConfig.virtual_keyboard=p_opts["virtualKeyboard"];GodotConfig.persistent_drops=!!p_opts["persistentDrops"];GodotConfig.on_execute=p_opts["onExecute"];GodotConfig.on_exit=p_opts["onExit"]},locate_file:function(file){return Module["locateFile"](file)},clear:function(){GodotConfig.canvas=null;GodotConfig.locale="en";GodotConfig.canvas_resize_policy=2;GodotConfig.virtual_keyboard=false;GodotConfig.persistent_drops=false;GodotConfig.on_execute=null;GodotConfig.on_exit=null}};var GodotFS={_idbfs:false,_syncing:false,_mount_points:[],is_persistent:function(){return GodotFS._idbfs?1:0},init:function(persistentPaths){GodotFS._idbfs=false;if(!Array.isArray(persistentPaths)){return Promise.reject(new Error("Persistent paths must be an array"))}if(!persistentPaths.length){return Promise.resolve()}GodotFS._mount_points=persistentPaths.slice();function createRecursive(dir){try{FS.stat(dir)}catch(e){if(e.errno!==ERRNO_CODES.ENOENT){throw e}FS.mkdirTree(dir)}}GodotFS._mount_points.forEach(function(path){createRecursive(path);FS.mount(IDBFS,{},path)});return new Promise(function(resolve,reject){FS.syncfs(true,function(err){if(err){GodotFS._mount_points=[];GodotFS._idbfs=false;GodotRuntime.print(`IndexedDB not available: ${err.message}`)}else{GodotFS._idbfs=true}resolve(err)})})},deinit:function(){GodotFS._mount_points.forEach(function(path){try{FS.unmount(path)}catch(e){GodotRuntime.print("Already unmounted",e)}if(GodotFS._idbfs&&IDBFS.dbs[path]){IDBFS.dbs[path].close();delete IDBFS.dbs[path]}});GodotFS._mount_points=[];GodotFS._idbfs=false;GodotFS._syncing=false},sync:function(){if(GodotFS._syncing){GodotRuntime.error("Already syncing!");return Promise.resolve()}GodotFS._syncing=true;return new Promise(function(resolve,reject){FS.syncfs(false,function(error){if(error){GodotRuntime.error(`Failed to save IDB file system: ${error.message}`)}GodotFS._syncing=false;resolve(error)})})},copy_to_fs:function(path,buffer){const idx=path.lastIndexOf("/");let dir="/";if(idx>0){dir=path.slice(0,idx)}try{FS.stat(dir)}catch(e){if(e.errno!==ERRNO_CODES.ENOENT){throw e}FS.mkdirTree(dir)}FS.writeFile(path,new Uint8Array(buffer))}};var GodotOS={request_quit:function(){},_async_cbs:[],_fs_sync_promise:null,atexit:function(p_promise_cb){GodotOS._async_cbs.push(p_promise_cb)},cleanup:function(exit_code){const cb=GodotConfig.on_exit;GodotFS.deinit();GodotConfig.clear();if(cb){cb(exit_code)}},finish_async:function(callback){GodotOS._fs_sync_promise.then(function(err){const promises=[];GodotOS._async_cbs.forEach(function(cb){promises.push(new Promise(cb))});return Promise.all(promises)}).then(function(){return GodotFS.sync()}).then(function(err){setTimeout(function(){callback()},0)})}};var GodotAudio={ctx:null,input:null,driver:null,interval:0,init:function(mix_rate,latency,onstatechange,onlatencyupdate){const ctx=new(window.AudioContext||window.webkitAudioContext)({sampleRate:mix_rate});GodotAudio.ctx=ctx;ctx.onstatechange=function(){let state=0;switch(ctx.state){case"suspended":state=0;break;case"running":state=1;break;case"closed":state=2;break}onstatechange(state)};ctx.onstatechange();GodotAudio.interval=setInterval(function(){let computed_latency=0;if(ctx.baseLatency){computed_latency+=GodotAudio.ctx.baseLatency}if(ctx.outputLatency){computed_latency+=GodotAudio.ctx.outputLatency}onlatencyupdate(computed_latency)},1e3);GodotOS.atexit(GodotAudio.close_async);return ctx.destination.channelCount},create_input:function(callback){if(GodotAudio.input){return 0}function gotMediaInput(stream){try{GodotAudio.input=GodotAudio.ctx.createMediaStreamSource(stream);callback(GodotAudio.input)}catch(e){GodotRuntime.error("Failed creaating input.",e)}}if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia({"audio":true}).then(gotMediaInput,function(e){GodotRuntime.error("Error getting user media.",e)})}else{if(!navigator.getUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia||navigator.mozGetUserMedia}if(!navigator.getUserMedia){GodotRuntime.error("getUserMedia not available.");return 1}navigator.getUserMedia({"audio":true},gotMediaInput,function(e){GodotRuntime.print(e)})}return 0},close_async:function(resolve,reject){const ctx=GodotAudio.ctx;GodotAudio.ctx=null;if(!ctx){resolve();return}if(GodotAudio.interval){clearInterval(GodotAudio.interval);GodotAudio.interval=0}if(GodotAudio.input){GodotAudio.input.disconnect();GodotAudio.input=null}let closed=Promise.resolve();if(GodotAudio.driver){closed=GodotAudio.driver.close()}closed.then(function(){return ctx.close()}).then(function(){ctx.onstatechange=null;resolve()}).catch(function(e){ctx.onstatechange=null;GodotRuntime.error("Error closing AudioContext",e);resolve()})}};function _godot_audio_capture_start(){return GodotAudio.create_input(function(input){input.connect(GodotAudio.driver.get_node())})}function _godot_audio_capture_stop(){if(GodotAudio.input){const tracks=GodotAudio.input["mediaStream"]["getTracks"]();for(let i=0;i<tracks.length;i++){tracks[i]["stop"]()}GodotAudio.input.disconnect();GodotAudio.input=null}}function _godot_audio_init(p_mix_rate,p_latency,p_state_change,p_latency_update){const statechange=GodotRuntime.get_func(p_state_change);const latencyupdate=GodotRuntime.get_func(p_latency_update);return GodotAudio.init(p_mix_rate,p_latency,statechange,latencyupdate)}function _godot_audio_is_available(){if(!(window.AudioContext||window.webkitAudioContext)){return 0}return 1}function _godot_audio_resume(){if(GodotAudio.ctx&&GodotAudio.ctx.state!=="running"){GodotAudio.ctx.resume()}}var GodotAudioScript={script:null,create:function(buffer_length,channel_count){GodotAudioScript.script=GodotAudio.ctx.createScriptProcessor(buffer_length,2,channel_count);GodotAudio.driver=GodotAudioScript;return GodotAudioScript.script.bufferSize},start:function(p_in_buf,p_in_size,p_out_buf,p_out_size,onprocess){GodotAudioScript.script.onaudioprocess=function(event){const inb=GodotRuntime.heapSub(HEAPF32,p_in_buf,p_in_size);const input=event.inputBuffer;if(GodotAudio.input){const inlen=input.getChannelData(0).length;for(let ch=0;ch<2;ch++){const data=input.getChannelData(ch);for(let s=0;s<inlen;s++){inb[s*2+ch]=data[s]}}}onprocess();const outb=GodotRuntime.heapSub(HEAPF32,p_out_buf,p_out_size);const output=event.outputBuffer;const channels=output.numberOfChannels;for(let ch=0;ch<channels;ch++){const data=output.getChannelData(ch);for(let sample=0;sample<data.length;sample++){data[sample]=outb[sample*channels+ch]}}};GodotAudioScript.script.connect(GodotAudio.ctx.destination)},get_node:function(){return GodotAudioScript.script},close:function(){return new Promise(function(resolve,reject){GodotAudioScript.script.disconnect();GodotAudioScript.script.onaudioprocess=null;GodotAudioScript.script=null;resolve()})}};function _godot_audio_script_create(buffer_length,channel_count){return GodotAudioScript.create(buffer_length,channel_count)}function _godot_audio_script_start(p_in_buf,p_in_size,p_out_buf,p_out_size,p_cb){const onprocess=GodotRuntime.get_func(p_cb);GodotAudioScript.start(p_in_buf,p_in_size,p_out_buf,p_out_size,onprocess)}function _godot_js_config_canvas_id_get(p_ptr,p_ptr_max){GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`,p_ptr,p_ptr_max)}function _godot_js_config_locale_get(p_ptr,p_ptr_max){GodotRuntime.stringToHeap(GodotConfig.locale,p_ptr,p_ptr_max)}var GodotDisplayCursor={shape:"auto",visible:true,cursors:{},set_style:function(style){GodotConfig.canvas.style.cursor=style},set_shape:function(shape){GodotDisplayCursor.shape=shape;let css=shape;if(shape in GodotDisplayCursor.cursors){const c=GodotDisplayCursor.cursors[shape];css=`url("${c.url}") ${c.x} ${c.y}, auto`}if(GodotDisplayCursor.visible){GodotDisplayCursor.set_style(css)}},clear:function(){GodotDisplayCursor.set_style("");GodotDisplayCursor.shape="auto";GodotDisplayCursor.visible=true;Object.keys(GodotDisplayCursor.cursors).forEach(function(key){URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);delete GodotDisplayCursor.cursors[key]})}};var GodotDisplayListeners={handlers:[],has:function(target,event,method,capture){return GodotDisplayListeners.handlers.findIndex(function(e){return e.target===target&&e.event===event&&e.method===method&&e.capture===capture})!==-1},add:function(target,event,method,capture){if(GodotDisplayListeners.has(target,event,method,capture)){return}function Handler(p_target,p_event,p_method,p_capture){this.target=p_target;this.event=p_event;this.method=p_method;this.capture=p_capture}GodotDisplayListeners.handlers.push(new Handler(target,event,method,capture));target.addEventListener(event,method,capture)},clear:function(){GodotDisplayListeners.handlers.forEach(function(h){h.target.removeEventListener(h.event,h.method,h.capture)});GodotDisplayListeners.handlers.length=0}};var GodotDisplayDragDrop={promises:[],pending_files:[],add_entry:function(entry){if(entry.isDirectory){GodotDisplayDragDrop.add_dir(entry)}else if(entry.isFile){GodotDisplayDragDrop.add_file(entry)}else{GodotRuntime.error("Unrecognized entry...",entry)}},add_dir:function(entry){GodotDisplayDragDrop.promises.push(new Promise(function(resolve,reject){const reader=entry.createReader();reader.readEntries(function(entries){for(let i=0;i<entries.length;i++){GodotDisplayDragDrop.add_entry(entries[i])}resolve()})}))},add_file:function(entry){GodotDisplayDragDrop.promises.push(new Promise(function(resolve,reject){entry.file(function(file){const reader=new FileReader;reader.onload=function(){const f={"path":file.relativePath||file.webkitRelativePath,"name":file.name,"type":file.type,"size":file.size,"data":reader.result};if(!f["path"]){f["path"]=f["name"]}GodotDisplayDragDrop.pending_files.push(f);resolve()};reader.onerror=function(){GodotRuntime.print("Error reading file");reject()};reader.readAsArrayBuffer(file)},function(err){GodotRuntime.print("Error!");reject()})}))},process:function(resolve,reject){if(GodotDisplayDragDrop.promises.length===0){resolve();return}GodotDisplayDragDrop.promises.pop().then(function(){setTimeout(function(){GodotDisplayDragDrop.process(resolve,reject)},0)})},_process_event:function(ev,callback){ev.preventDefault();if(ev.dataTransfer.items){for(let i=0;i<ev.dataTransfer.items.length;i++){const item=ev.dataTransfer.items[i];let entry=null;if("getAsEntry"in item){entry=item.getAsEntry()}else if("webkitGetAsEntry"in item){entry=item.webkitGetAsEntry()}if(entry){GodotDisplayDragDrop.add_entry(entry)}}}else{GodotRuntime.error("File upload not supported")}new Promise(GodotDisplayDragDrop.process).then(function(){const DROP=`/tmp/drop-${parseInt(Math.random()*(1<<30),10)}/`;const drops=[];const files=[];FS.mkdir(DROP);GodotDisplayDragDrop.pending_files.forEach(elem=>{const path=elem["path"];GodotFS.copy_to_fs(DROP+path,elem["data"]);let idx=path.indexOf("/");if(idx===-1){drops.push(DROP+path)}else{const sub=path.substr(0,idx);idx=sub.indexOf("/");if(idx<0&&drops.indexOf(DROP+sub)===-1){drops.push(DROP+sub)}}files.push(DROP+path)});GodotDisplayDragDrop.promises=[];GodotDisplayDragDrop.pending_files=[];callback(drops);if(GodotConfig.persistent_drops){GodotOS.atexit(function(resolve,reject){GodotDisplayDragDrop.remove_drop(files,DROP);resolve()})}else{GodotDisplayDragDrop.remove_drop(files,DROP)}})},remove_drop:function(files,drop_path){const dirs=[drop_path.substr(0,drop_path.length-1)];files.forEach(function(file){FS.unlink(file);let dir=file.replace(drop_path,"");let idx=dir.lastIndexOf("/");while(idx>0){dir=dir.substr(0,idx);if(dirs.indexOf(drop_path+dir)===-1){dirs.push(drop_path+dir)}idx=dir.lastIndexOf("/")}});dirs.sort(function(a,b){const al=(a.match(/\//g)||[]).length;const bl=(b.match(/\//g)||[]).length;if(al>bl){return-1}else if(al<bl){return 1}return 0}).forEach(function(dir){FS.rmdir(dir)})},handler:function(callback){return function(ev){GodotDisplayDragDrop._process_event(ev,callback)}}};var GodotDisplayGamepads={samples:[],get_pads:function(){try{const pads=navigator.getGamepads();if(pads){return pads}return[]}catch(e){return[]}},get_samples:function(){return GodotDisplayGamepads.samples},get_sample:function(index){const samples=GodotDisplayGamepads.samples;return index<samples.length?samples[index]:null},sample:function(){const pads=GodotDisplayGamepads.get_pads();const samples=[];for(let i=0;i<pads.length;i++){const pad=pads[i];if(!pad){samples.push(null);continue}const s={standard:pad.mapping==="standard",buttons:[],axes:[],connected:pad.connected};for(let b=0;b<pad.buttons.length;b++){s.buttons.push(pad.buttons[b].value)}for(let a=0;a<pad.axes.length;a++){s.axes.push(pad.axes[a])}samples.push(s)}GodotDisplayGamepads.samples=samples},init:function(onchange){GodotDisplayListeners.samples=[];function add(pad){const guid=GodotDisplayGamepads.get_guid(pad);const c_id=GodotRuntime.allocString(pad.id);const c_guid=GodotRuntime.allocString(guid);onchange(pad.index,1,c_id,c_guid);GodotRuntime.free(c_id);GodotRuntime.free(c_guid)}const pads=GodotDisplayGamepads.get_pads();for(let i=0;i<pads.length;i++){if(pads[i]){add(pads[i])}}GodotDisplayListeners.add(window,"gamepadconnected",function(evt){add(evt.gamepad)},false);GodotDisplayListeners.add(window,"gamepaddisconnected",function(evt){onchange(evt.gamepad.index,0)},false)},get_guid:function(pad){if(pad.mapping){return pad.mapping}const ua=navigator.userAgent;let os="Unknown";if(ua.indexOf("Android")>=0){os="Android"}else if(ua.indexOf("Linux")>=0){os="Linux"}else if(ua.indexOf("iPhone")>=0){os="iOS"}else if(ua.indexOf("Macintosh")>=0){os="MacOSX"}else if(ua.indexOf("Windows")>=0){os="Windows"}const id=pad.id;const exp1=/vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;const exp2=/^([0-9a-f]+)-([0-9a-f]+)-/i;let vendor="";let product="";if(exp1.test(id)){const match=exp1.exec(id);vendor=match[1].padStart(4,"0");product=match[2].padStart(4,"0")}else if(exp2.test(id)){const match=exp2.exec(id);vendor=match[1].padStart(4,"0");product=match[2].padStart(4,"0")}if(!vendor||!product){return`${os}Unknown`}return os+vendor+product}};var GodotDisplayScreen={desired_size:[0,0],hidpi:true,getPixelRatio:function(){return GodotDisplayScreen.hidpi?window.devicePixelRatio||1:1},isFullscreen:function(){const elem=document.fullscreenElement||document.mozFullscreenElement||document.webkitFullscreenElement||document.msFullscreenElement;if(elem){return elem===GodotConfig.canvas}return document.fullscreen||document.mozFullScreen||document.webkitIsFullscreen},hasFullscreen:function(){return document.fullscreenEnabled||document.mozFullScreenEnabled||document.webkitFullscreenEnabled},requestFullscreen:function(){if(!GodotDisplayScreen.hasFullscreen()){return 1}const canvas=GodotConfig.canvas;try{const promise=(canvas.requestFullscreen||canvas.msRequestFullscreen||canvas.mozRequestFullScreen||canvas.mozRequestFullscreen||canvas.webkitRequestFullscreen).call(canvas);if(promise){promise.catch(function(){})}}catch(e){return 1}return 0},exitFullscreen:function(){if(!GodotDisplayScreen.isFullscreen()){return 0}try{const promise=document.exitFullscreen();if(promise){promise.catch(function(){})}}catch(e){return 1}return 0},_updateGL:function(){const gl_context_handle=_emscripten_webgl_get_current_context();const gl=GL.getContext(gl_context_handle);if(gl){GL.resizeOffscreenFramebuffer(gl)}},updateSize:function(){const isFullscreen=GodotDisplayScreen.isFullscreen();const wantsFullWindow=GodotConfig.canvas_resize_policy===2;const noResize=GodotConfig.canvas_resize_policy===0;const wwidth=GodotDisplayScreen.desired_size[0];const wheight=GodotDisplayScreen.desired_size[1];const canvas=GodotConfig.canvas;let width=wwidth;let height=wheight;if(noResize){if(canvas.width!==width||canvas.height!==height){GodotDisplayScreen.desired_size=[canvas.width,canvas.height];GodotDisplayScreen._updateGL();return 1}return 0}const scale=GodotDisplayScreen.getPixelRatio();if(isFullscreen||wantsFullWindow){width=window.innerWidth*scale;height=window.innerHeight*scale}const csw=`${width/scale}px`;const csh=`${height/scale}px`;if(canvas.style.width!==csw||canvas.style.height!==csh||canvas.width!==width||canvas.height!==height){canvas.width=width;canvas.height=height;canvas.style.width=csw;canvas.style.height=csh;GodotDisplayScreen._updateGL();return 1}return 0}};var GodotDisplayVK={textinput:null,textarea:null,available:function(){return GodotConfig.virtual_keyboard&&"ontouchstart"in window},init:function(input_cb){function create(what){const elem=document.createElement(what);elem.style.display="none";elem.style.position="absolute";elem.style.zIndex="-1";elem.style.background="transparent";elem.style.padding="0px";elem.style.margin="0px";elem.style.overflow="hidden";elem.style.width="0px";elem.style.height="0px";elem.style.border="0px";elem.style.outline="none";elem.readonly=true;elem.disabled=true;GodotDisplayListeners.add(elem,"input",function(evt){const c_str=GodotRuntime.allocString(elem.value);input_cb(c_str,elem.selectionEnd);GodotRuntime.free(c_str)},false);GodotDisplayListeners.add(elem,"blur",function(evt){elem.style.display="none";elem.readonly=true;elem.disabled=true},false);GodotConfig.canvas.insertAdjacentElement("beforebegin",elem);return elem}GodotDisplayVK.textinput=create("input");GodotDisplayVK.textarea=create("textarea");GodotDisplayVK.updateSize()},show:function(text,multiline,start,end){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}if(GodotDisplayVK.textinput.style.display!==""||GodotDisplayVK.textarea.style.display!==""){GodotDisplayVK.hide()}GodotDisplayVK.updateSize();const elem=multiline?GodotDisplayVK.textarea:GodotDisplayVK.textinput;elem.readonly=false;elem.disabled=false;elem.value=text;elem.style.display="block";elem.focus();elem.setSelectionRange(start,end)},hide:function(){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}[GodotDisplayVK.textinput,GodotDisplayVK.textarea].forEach(function(elem){elem.blur();elem.style.display="none";elem.value=""})},updateSize:function(){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}const rect=GodotConfig.canvas.getBoundingClientRect();function update(elem){elem.style.left=`${rect.left}px`;elem.style.top=`${rect.top}px`;elem.style.width=`${rect.width}px`;elem.style.height=`${rect.height}px`}update(GodotDisplayVK.textinput);update(GodotDisplayVK.textarea)},clear:function(){if(GodotDisplayVK.textinput){GodotDisplayVK.textinput.remove();GodotDisplayVK.textinput=null}if(GodotDisplayVK.textarea){GodotDisplayVK.textarea.remove();GodotDisplayVK.textarea=null}}};var GodotDisplay={window_icon:"",findDPI:function(){function testDPI(dpi){return window.matchMedia(`(max-resolution: ${dpi}dpi)`).matches}function bisect(low,high,func){const mid=parseInt((high-low)/2+low,10);if(high-low<=1){return func(high)?high:low}if(func(mid)){return bisect(low,mid,func)}return bisect(mid,high,func)}try{const dpi=bisect(0,800,testDPI);return dpi>=96?dpi:96}catch(e){return 96}}};function _godot_js_display_alert(p_text){window.alert(GodotRuntime.parseString(p_text))}function _godot_js_display_canvas_focus(){GodotConfig.canvas.focus()}function _godot_js_display_canvas_is_focused(){return document.activeElement===GodotConfig.canvas}function _godot_js_display_clipboard_get(callback){const func=GodotRuntime.get_func(callback);try{navigator.clipboard.readText().then(function(result){const ptr=GodotRuntime.allocString(result);func(ptr);GodotRuntime.free(ptr)}).catch(function(e){})}catch(e){}}function _godot_js_display_clipboard_set(p_text){const text=GodotRuntime.parseString(p_text);if(!navigator.clipboard||!navigator.clipboard.writeText){return 1}navigator.clipboard.writeText(text).catch(function(e){GodotRuntime.error("Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:",e)});return 0}function _godot_js_display_compute_position(x,y,r_x,r_y){const canvas=GodotConfig.canvas;const rect=canvas.getBoundingClientRect();const rw=canvas.width/rect.width;const rh=canvas.height/rect.height;GodotRuntime.setHeapValue(r_x,(x-rect.x)*rw,"i32");GodotRuntime.setHeapValue(r_y,(y-rect.y)*rh,"i32")}function _godot_js_display_cursor_is_hidden(){return!GodotDisplayCursor.visible}function _godot_js_display_cursor_set_custom_shape(p_shape,p_ptr,p_len,p_hotspot_x,p_hotspot_y){const shape=GodotRuntime.parseString(p_shape);const old_shape=GodotDisplayCursor.cursors[shape];if(p_len>0){const png=new Blob([GodotRuntime.heapSlice(HEAPU8,p_ptr,p_len)],{type:"image/png"});const url=URL.createObjectURL(png);GodotDisplayCursor.cursors[shape]={url:url,x:p_hotspot_x,y:p_hotspot_y}}else{delete GodotDisplayCursor.cursors[shape]}if(shape===GodotDisplayCursor.shape){GodotDisplayCursor.set_shape(GodotDisplayCursor.shape)}if(old_shape){URL.revokeObjectURL(old_shape.url)}}function _godot_js_display_cursor_set_shape(p_string){GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string))}function _godot_js_display_cursor_set_visible(p_visible){const visible=p_visible!==0;if(visible===GodotDisplayCursor.visible){return}GodotDisplayCursor.visible=visible;if(visible){GodotDisplayCursor.set_shape(GodotDisplayCursor.shape)}else{GodotDisplayCursor.set_style("none")}}function _godot_js_display_desired_size_set(width,height){GodotDisplayScreen.desired_size=[width,height];GodotDisplayScreen.updateSize()}function _godot_js_display_drop_files_cb(callback){const func=GodotRuntime.get_func(callback);const dropFiles=function(files){const args=files||[];if(!args.length){return}const argc=args.length;const argv=GodotRuntime.allocStringArray(args);func(argv,argc);GodotRuntime.freeStringArray(argv,argc)};const canvas=GodotConfig.canvas;GodotDisplayListeners.add(canvas,"dragover",function(ev){ev.preventDefault()},false);GodotDisplayListeners.add(canvas,"drop",GodotDisplayDragDrop.handler(dropFiles))}function _godot_js_display_fullscreen_exit(){return GodotDisplayScreen.exitFullscreen()}function _godot_js_display_fullscreen_request(){return GodotDisplayScreen.requestFullscreen()}function _godot_js_display_gamepad_cb(change_cb){const onchange=GodotRuntime.get_func(change_cb);GodotDisplayGamepads.init(onchange)}function _godot_js_display_gamepad_sample(){GodotDisplayGamepads.sample();return 0}function _godot_js_display_gamepad_sample_count(){return GodotDisplayGamepads.get_samples().length}function _godot_js_display_gamepad_sample_get(p_index,r_btns,r_btns_num,r_axes,r_axes_num,r_standard){const sample=GodotDisplayGamepads.get_sample(p_index);if(!sample||!sample.connected){return 1}const btns=sample.buttons;const btns_len=btns.length<16?btns.length:16;for(let i=0;i<btns_len;i++){GodotRuntime.setHeapValue(r_btns+(i<<2),btns[i],"float")}GodotRuntime.setHeapValue(r_btns_num,btns_len,"i32");const axes=sample.axes;const axes_len=axes.length<10?axes.length:10;for(let i=0;i<axes_len;i++){GodotRuntime.setHeapValue(r_axes+(i<<2),axes[i],"float")}GodotRuntime.setHeapValue(r_axes_num,axes_len,"i32");const is_standard=sample.standard?1:0;GodotRuntime.setHeapValue(r_standard,is_standard,"i32");return 0}function _godot_js_display_has_webgl(p_version){if(p_version!==1&&p_version!==2){return false}try{return!!document.createElement("canvas").getContext(p_version===2?"webgl2":"webgl")}catch(e){}return false}function _godot_js_display_is_swap_ok_cancel(){const win=["Windows","Win64","Win32","WinCE"];const plat=navigator.platform||"";if(win.indexOf(plat)!==-1){return 1}return 0}function _godot_js_display_notification_cb(callback,p_enter,p_exit,p_in,p_out){const canvas=GodotConfig.canvas;const func=GodotRuntime.get_func(callback);const notif=[p_enter,p_exit,p_in,p_out];["mouseover","mouseleave","focus","blur"].forEach(function(evt_name,idx){GodotDisplayListeners.add(canvas,evt_name,function(){func(notif[idx])},true)})}function _godot_js_display_paste_cb(callback){const func=GodotRuntime.get_func(callback);GodotDisplayListeners.add(window,"paste",function(evt){const text=evt.clipboardData.getData("text");const ptr=GodotRuntime.allocString(text);func(ptr);GodotRuntime.free(ptr)},false)}function _godot_js_display_pixel_ratio_get(){return GodotDisplayScreen.getPixelRatio()}function _godot_js_display_screen_dpi_get(){return GodotDisplay.findDPI()}function _godot_js_display_screen_size_get(width,height){const scale=GodotDisplayScreen.getPixelRatio();GodotRuntime.setHeapValue(width,window.screen.width*scale,"i32");GodotRuntime.setHeapValue(height,window.screen.height*scale,"i32")}function _godot_js_display_setup_canvas(p_width,p_height,p_fullscreen,p_hidpi){const canvas=GodotConfig.canvas;GodotDisplayListeners.add(canvas,"contextmenu",function(ev){ev.preventDefault()},false);GodotDisplayListeners.add(canvas,"webglcontextlost",function(ev){alert("WebGL context lost, please reload the page");ev.preventDefault()},false);GodotDisplayScreen.hidpi=!!p_hidpi;switch(GodotConfig.canvas_resize_policy){case 0:GodotDisplayScreen.desired_size=[canvas.width,canvas.height];break;case 1:GodotDisplayScreen.desired_size=[p_width,p_height];break;default:canvas.style.position="absolute";canvas.style.top=0;canvas.style.left=0;break}GodotDisplayScreen.updateSize();if(p_fullscreen){GodotDisplayScreen.requestFullscreen()}}function _godot_js_display_size_update(){const updated=GodotDisplayScreen.updateSize();if(updated){GodotDisplayVK.updateSize()}return updated}function _godot_js_display_touchscreen_is_available(){return"ontouchstart"in window}function _godot_js_display_vk_available(){return GodotDisplayVK.available()}function _godot_js_display_vk_cb(p_input_cb){const input_cb=GodotRuntime.get_func(p_input_cb);if(GodotDisplayVK.available()){GodotDisplayVK.init(input_cb)}}function _godot_js_display_vk_hide(){GodotDisplayVK.hide()}function _godot_js_display_vk_show(p_text,p_multiline,p_start,p_end){const text=GodotRuntime.parseString(p_text);const start=p_start>0?p_start:0;const end=p_end>0?p_end:start;GodotDisplayVK.show(text,p_multiline,start,end)}function _godot_js_display_window_icon_set(p_ptr,p_len){let link=document.getElementById("-gd-engine-icon");if(link===null){link=document.createElement("link");link.rel="icon";link.id="-gd-engine-icon";document.head.appendChild(link)}const old_icon=GodotDisplay.window_icon;const png=new Blob([GodotRuntime.heapSlice(HEAPU8,p_ptr,p_len)],{type:"image/png"});GodotDisplay.window_icon=URL.createObjectURL(png);link.href=GodotDisplay.window_icon;if(old_icon){URL.revokeObjectURL(old_icon)}}function _godot_js_display_window_size_get(p_width,p_height){GodotRuntime.setHeapValue(p_width,GodotConfig.canvas.width,"i32");GodotRuntime.setHeapValue(p_height,GodotConfig.canvas.height,"i32")}function _godot_js_display_window_title_set(p_data){document.title=GodotRuntime.parseString(p_data)}function _godot_js_eval(p_js,p_use_global_ctx,p_union_ptr,p_byte_arr,p_byte_arr_write,p_callback){const js_code=GodotRuntime.parseString(p_js);let eval_ret=null;try{if(p_use_global_ctx){const global_eval=eval;eval_ret=global_eval(js_code)}else{eval_ret=eval(js_code)}}catch(e){GodotRuntime.error(e)}switch(typeof eval_ret){case"boolean":GodotRuntime.setHeapValue(p_union_ptr,eval_ret,"i32");return 1;case"number":GodotRuntime.setHeapValue(p_union_ptr,eval_ret,"double");return 3;case"string":GodotRuntime.setHeapValue(p_union_ptr,GodotRuntime.allocString(eval_ret),"*");return 4;case"object":if(eval_ret===null){break}if(ArrayBuffer.isView(eval_ret)&&!(eval_ret instanceof Uint8Array)){eval_ret=new 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chunks=obj.chunks;while(to_read&&chunks.length){const chunk=obj.chunks[0];if(chunk.length>to_read){GodotRuntime.heapCopy(HEAP8,chunk.slice(0,to_read),p_buf);chunks[0]=chunk.slice(to_read);to_read=0}else{GodotRuntime.heapCopy(HEAP8,chunk,p_buf);to_read-=chunk.length;chunks.pop()}}if(!chunks.length){GodotFetch.read(p_id)}return p_buf_size-to_read}function _godot_js_fetch_read_headers(p_id,p_parse_cb,p_ref){const obj=IDHandler.get(p_id);if(!obj||!obj.response){return 1}const cb=GodotRuntime.get_func(p_parse_cb);const arr=[];obj.response.headers.forEach(function(v,h){arr.push(`${h}:${v}`)});const c_ptr=GodotRuntime.allocStringArray(arr);cb(arr.length,c_ptr,p_ref);GodotRuntime.freeStringArray(c_ptr,arr.length);return 0}function _godot_js_fetch_state_get(p_id){const obj=IDHandler.get(p_id);if(!obj){return-1}if(obj.error){return-1}if(!obj.response){return 0}if(obj.reader){return 1}if(obj.done){return 2}return-1}function _godot_js_os_execute(p_json){const json_args=GodotRuntime.parseString(p_json);const args=JSON.parse(json_args);if(GodotConfig.on_execute){GodotConfig.on_execute(args);return 0}return 1}function _godot_js_os_finish_async(p_callback){const func=GodotRuntime.get_func(p_callback);GodotOS.finish_async(func)}function _godot_js_os_fs_is_persistent(){return GodotFS.is_persistent()}function _godot_js_os_fs_sync(callback){const func=GodotRuntime.get_func(callback);GodotOS._fs_sync_promise=GodotFS.sync();GodotOS._fs_sync_promise.then(function(err){func()})}function _godot_js_os_hw_concurrency_get(){return navigator.hardwareConcurrency||1}function _godot_js_os_request_quit_cb(p_callback){GodotOS.request_quit=GodotRuntime.get_func(p_callback)}function _godot_js_os_shell_open(p_uri){window.open(GodotRuntime.parseString(p_uri),"_blank")}var IDHandler={_last_id:0,_references:{},get:function(p_id){return IDHandler._references[p_id]},add:function(p_data){const id=++IDHandler._last_id;IDHandler._references[id]=p_data;return id},remove:function(p_id){delete IDHandler._references[p_id]}};var GodotRTCDataChannel={connect:function(p_id,p_on_open,p_on_message,p_on_error,p_on_close){const ref=IDHandler.get(p_id);if(!ref){return}ref.binaryType="arraybuffer";ref.onopen=function(event){p_on_open()};ref.onclose=function(event){p_on_close()};ref.onerror=function(event){p_on_error()};ref.onmessage=function(event){let buffer;let is_string=0;if(event.data instanceof ArrayBuffer){buffer=new Uint8Array(event.data)}else if(event.data instanceof Blob){GodotRuntime.error("Blob type not supported");return}else if(typeof event.data==="string"){is_string=1;const enc=new TextEncoder("utf-8");buffer=new Uint8Array(enc.encode(event.data))}else{GodotRuntime.error("Unknown message type");return}const len=buffer.length*buffer.BYTES_PER_ELEMENT;const out=GodotRuntime.malloc(len);HEAPU8.set(buffer,out);p_on_message(out,len,is_string);GodotRuntime.free(out)}},close:function(p_id){const ref=IDHandler.get(p_id);if(!ref){return}ref.onopen=null;ref.onmessage=null;ref.onerror=null;ref.onclose=null;ref.close()},get_prop:function(p_id,p_prop,p_def){const ref=IDHandler.get(p_id);return ref&&ref[p_prop]!==undefined?ref[p_prop]:p_def}};function _godot_js_rtc_datachannel_close(p_id){const ref=IDHandler.get(p_id);if(!ref){return}GodotRTCDataChannel.close(p_id)}function _godot_js_rtc_datachannel_connect(p_id,p_ref,p_on_open,p_on_message,p_on_error,p_on_close){const onopen=GodotRuntime.get_func(p_on_open).bind(null,p_ref);const onmessage=GodotRuntime.get_func(p_on_message).bind(null,p_ref);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_ref);const onclose=GodotRuntime.get_func(p_on_close).bind(null,p_ref);GodotRTCDataChannel.connect(p_id,onopen,onmessage,onerror,onclose)}function _godot_js_rtc_datachannel_destroy(p_id){GodotRTCDataChannel.close(p_id);IDHandler.remove(p_id)}function _godot_js_rtc_datachannel_id_get(p_id){return IDHandler.get_prop(p_id,"id",65535)}function _godot_js_rtc_datachannel_is_negotiated(p_id){return IDHandler.get_prop(p_id,"negotiated",65535)}function _godot_js_rtc_datachannel_is_ordered(p_id){return IDHandler.get_prop(p_id,"ordered",true)}function _godot_js_rtc_datachannel_label_get(p_id){const ref=IDHandler.get(p_id);if(!ref||!ref.label){return 0}return GodotRuntime.allocString(ref.label)}function _godot_js_rtc_datachannel_max_packet_lifetime_get(p_id){const ref=IDHandler.get(p_id);if(!ref){return 65535}if(ref["maxPacketLifeTime"]!==undefined){return ref["maxPacketLifeTime"]}else if(ref["maxRetransmitTime"]!==undefined){return ref["maxRetransmitTime"]}return 65535}function _godot_js_rtc_datachannel_max_retransmits_get(p_id){return IDHandler.get_prop(p_id,"maxRetransmits",65535)}function _godot_js_rtc_datachannel_protocol_get(p_id){const ref=IDHandler.get(p_id);if(!ref||!ref.protocol){return 0}return GodotRuntime.allocString(ref.protocol)}function _godot_js_rtc_datachannel_ready_state_get(p_id){const ref=IDHandler.get(p_id);if(!ref){return 3}switch(ref.readyState){case"connecting":return 0;case"open":return 1;case"closing":return 2;case"closed":default:return 3}}function _godot_js_rtc_datachannel_send(p_id,p_buffer,p_length,p_raw){const ref=IDHandler.get(p_id);if(!ref){return 1}const bytes_array=new Uint8Array(p_length);for(let i=0;i<p_length;i++){bytes_array[i]=GodotRuntime.getHeapValue(p_buffer+i,"i8")}if(p_raw){ref.send(bytes_array.buffer)}else{const string=new TextDecoder("utf-8").decode(bytes_array);ref.send(string)}return 0}var GodotRTCPeerConnection={onstatechange:function(p_id,p_conn,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}let state;switch(p_conn.iceConnectionState){case"new":state=0;break;case"checking":state=1;break;case"connected":case"completed":state=2;break;case"disconnected":state=3;break;case"failed":state=4;break;case"closed":default:state=5;break}callback(state)},onicecandidate:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref||!event.candidate){return}const c=event.candidate;const candidate_str=GodotRuntime.allocString(c.candidate);const mid_str=GodotRuntime.allocString(c.sdpMid);callback(mid_str,c.sdpMLineIndex,candidate_str);GodotRuntime.free(candidate_str);GodotRuntime.free(mid_str)},ondatachannel:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}const cid=IDHandler.add(event.channel);callback(cid)},onsession:function(p_id,callback,session){const ref=IDHandler.get(p_id);if(!ref){return}const type_str=GodotRuntime.allocString(session.type);const sdp_str=GodotRuntime.allocString(session.sdp);callback(type_str,sdp_str);GodotRuntime.free(type_str);GodotRuntime.free(sdp_str)},onerror:function(p_id,callback,error){const ref=IDHandler.get(p_id);if(!ref){return}GodotRuntime.error(error);callback()}};function _godot_js_rtc_pc_close(p_id){const ref=IDHandler.get(p_id);if(!ref){return}ref.close()}function _godot_js_rtc_pc_create(p_config,p_ref,p_on_state_change,p_on_candidate,p_on_datachannel){const onstatechange=GodotRuntime.get_func(p_on_state_change).bind(null,p_ref);const oncandidate=GodotRuntime.get_func(p_on_candidate).bind(null,p_ref);const ondatachannel=GodotRuntime.get_func(p_on_datachannel).bind(null,p_ref);const config=JSON.parse(GodotRuntime.parseString(p_config));let conn=null;try{conn=new RTCPeerConnection(config)}catch(e){GodotRuntime.error(e);return 0}const base=GodotRTCPeerConnection;const id=IDHandler.add(conn);conn.oniceconnectionstatechange=base.onstatechange.bind(null,id,conn,onstatechange);conn.onicecandidate=base.onicecandidate.bind(null,id,oncandidate);conn.ondatachannel=base.ondatachannel.bind(null,id,ondatachannel);return id}function _godot_js_rtc_pc_datachannel_create(p_id,p_label,p_config){try{const ref=IDHandler.get(p_id);if(!ref){return 0}const label=GodotRuntime.parseString(p_label);const config=JSON.parse(GodotRuntime.parseString(p_config));const channel=ref.createDataChannel(label,config);return IDHandler.add(channel)}catch(e){GodotRuntime.error(e);return 0}}function _godot_js_rtc_pc_destroy(p_id){const ref=IDHandler.get(p_id);if(!ref){return}ref.oniceconnectionstatechange=null;ref.onicecandidate=null;ref.ondatachannel=null;IDHandler.remove(p_id)}function _godot_js_rtc_pc_ice_candidate_add(p_id,p_mid_name,p_mline_idx,p_sdp){const ref=IDHandler.get(p_id);if(!ref){return}const sdpMidName=GodotRuntime.parseString(p_mid_name);const sdpName=GodotRuntime.parseString(p_sdp);ref.addIceCandidate(new RTCIceCandidate({"candidate":sdpName,"sdpMid":sdpMidName,"sdpMlineIndex":p_mline_idx}))}function _godot_js_rtc_pc_local_description_set(p_id,p_type,p_sdp,p_obj,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const type=GodotRuntime.parseString(p_type);const sdp=GodotRuntime.parseString(p_sdp);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);ref.setLocalDescription({"sdp":sdp,"type":type}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}function _godot_js_rtc_pc_offer_create(p_id,p_obj,p_on_session,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const onsession=GodotRuntime.get_func(p_on_session).bind(null,p_obj);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);ref.createOffer().then(function(session){GodotRTCPeerConnection.onsession(p_id,onsession,session)}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}function _godot_js_rtc_pc_remote_description_set(p_id,p_type,p_sdp,p_obj,p_session_created,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const type=GodotRuntime.parseString(p_type);const sdp=GodotRuntime.parseString(p_sdp);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);const onsession=GodotRuntime.get_func(p_session_created).bind(null,p_obj);ref.setRemoteDescription({"sdp":sdp,"type":type}).then(function(){if(type!=="offer"){return Promise.resolve()}return ref.createAnswer().then(function(session){GodotRTCPeerConnection.onsession(p_id,onsession,session)})}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}var GodotWebSocket={_onopen:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}const c_str=GodotRuntime.allocString(ref.protocol);callback(c_str);GodotRuntime.free(c_str)},_onmessage:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}let buffer;let is_string=0;if(event.data instanceof ArrayBuffer){buffer=new Uint8Array(event.data)}else if(event.data instanceof Blob){GodotRuntime.error("Blob type not supported");return}else if(typeof event.data==="string"){is_string=1;const enc=new TextEncoder("utf-8");buffer=new Uint8Array(enc.encode(event.data))}else{GodotRuntime.error("Unknown message type");return}const len=buffer.length*buffer.BYTES_PER_ELEMENT;const out=GodotRuntime.malloc(len);HEAPU8.set(buffer,out);callback(out,len,is_string);GodotRuntime.free(out)},_onerror:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}callback()},_onclose:function(p_id,callback,event){const ref=IDHandler.get(p_id);if(!ref){return}const c_str=GodotRuntime.allocString(event.reason);callback(event.code,c_str,event.wasClean?1:0);GodotRuntime.free(c_str)},send:function(p_id,p_data){const ref=IDHandler.get(p_id);if(!ref||ref.readyState!==ref.OPEN){return 1}ref.send(p_data);return 0},create:function(socket,p_on_open,p_on_message,p_on_error,p_on_close){const id=IDHandler.add(socket);socket.onopen=GodotWebSocket._onopen.bind(null,id,p_on_open);socket.onmessage=GodotWebSocket._onmessage.bind(null,id,p_on_message);socket.onerror=GodotWebSocket._onerror.bind(null,id,p_on_error);socket.onclose=GodotWebSocket._onclose.bind(null,id,p_on_close);return id},close:function(p_id,p_code,p_reason){const ref=IDHandler.get(p_id);if(ref&&ref.readyState<ref.CLOSING){const code=p_code;const reason=GodotRuntime.parseString(p_reason);ref.close(code,reason)}},destroy:function(p_id){const ref=IDHandler.get(p_id);if(!ref){return}GodotWebSocket.close(p_id,1001,"");IDHandler.remove(p_id);ref.onopen=null;ref.onmessage=null;ref.onerror=null;ref.onclose=null}};function _godot_js_websocket_close(p_id,p_code,p_reason){const code=p_code;const reason=GodotRuntime.parseString(p_reason);GodotWebSocket.close(p_id,code,reason)}function _godot_js_websocket_create(p_ref,p_url,p_proto,p_on_open,p_on_message,p_on_error,p_on_close){const on_open=GodotRuntime.get_func(p_on_open).bind(null,p_ref);const on_message=GodotRuntime.get_func(p_on_message).bind(null,p_ref);const on_error=GodotRuntime.get_func(p_on_error).bind(null,p_ref);const on_close=GodotRuntime.get_func(p_on_close).bind(null,p_ref);const url=GodotRuntime.parseString(p_url);const protos=GodotRuntime.parseString(p_proto);let socket=null;try{if(protos){socket=new WebSocket(url,protos.split(","))}else{socket=new WebSocket(url)}}catch(e){return 0}socket.binaryType="arraybuffer";return GodotWebSocket.create(socket,on_open,on_message,on_error,on_close)}function _godot_js_websocket_destroy(p_id){GodotWebSocket.destroy(p_id)}function _godot_js_websocket_send(p_id,p_buf,p_buf_len,p_raw){const bytes_array=new Uint8Array(p_buf_len);let i=0;for(i=0;i<p_buf_len;i++){bytes_array[i]=GodotRuntime.getHeapValue(p_buf+i,"i8")}let out=bytes_array.buffer;if(!p_raw){out=new TextDecoder("utf-8").decode(bytes_array)}return GodotWebSocket.send(p_id,out)}var GodotWebXR={gl:null,texture_ids:[null,null],textures:[null,null],session:null,space:null,frame:null,pose:null,orig_requestAnimationFrame:null,requestAnimationFrame:callback=>{if(GodotWebXR.session&&GodotWebXR.space){const onFrame=function(time,frame){GodotWebXR.frame=frame;GodotWebXR.pose=frame.getViewerPose(GodotWebXR.space);callback(time);GodotWebXR.frame=null;GodotWebXR.pose=null};GodotWebXR.session.requestAnimationFrame(onFrame)}else{GodotWebXR.orig_requestAnimationFrame(callback)}},monkeyPatchRequestAnimationFrame:enable=>{if(GodotWebXR.orig_requestAnimationFrame===null){GodotWebXR.orig_requestAnimationFrame=Browser.requestAnimationFrame}Browser.requestAnimationFrame=enable?GodotWebXR.requestAnimationFrame:GodotWebXR.orig_requestAnimationFrame},pauseResumeMainLoop:()=>{Browser.mainLoop.pause();window.setTimeout(function(){Browser.mainLoop.resume()},0)},shaderProgram:null,programInfo:null,buffer:null,vsSource:"\n\t\t\tconst vec2 scale = vec2(0.5, 0.5);\n\t\t\tattribute vec4 aVertexPosition;\n\n\t\t\tvarying highp vec2 vTextureCoord;\n\n\t\t\tvoid main () {\n\t\t\t\tgl_Position = aVertexPosition;\n\t\t\t\tvTextureCoord = aVertexPosition.xy * scale + scale;\n\t\t\t}\n\t\t",fsSource:"\n\t\t\tvarying highp vec2 vTextureCoord;\n\n\t\t\tuniform sampler2D uSampler;\n\n\t\t\tvoid main() {\n\t\t\t\tgl_FragColor = texture2D(uSampler, vTextureCoord);\n\t\t\t}\n\t\t",initShaderProgram:(gl,vsSource,fsSource)=>{const vertexShader=GodotWebXR.loadShader(gl,gl.VERTEX_SHADER,vsSource);const fragmentShader=GodotWebXR.loadShader(gl,gl.FRAGMENT_SHADER,fsSource);const shaderProgram=gl.createProgram();gl.attachShader(shaderProgram,vertexShader);gl.attachShader(shaderProgram,fragmentShader);gl.linkProgram(shaderProgram);if(!gl.getProgramParameter(shaderProgram,gl.LINK_STATUS)){GodotRuntime.error(`Unable to initialize the shader program: ${gl.getProgramInfoLog(shaderProgram)}`);return null}return shaderProgram},loadShader:(gl,type,source)=>{const shader=gl.createShader(type);gl.shaderSource(shader,source);gl.compileShader(shader);if(!gl.getShaderParameter(shader,gl.COMPILE_STATUS)){GodotRuntime.error(`An error occurred compiling the shader: ${gl.getShaderInfoLog(shader)}`);gl.deleteShader(shader);return null}return shader},initBuffer:gl=>{const positionBuffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,positionBuffer);const positions=[-1,-1,1,-1,-1,1,1,1];gl.bufferData(gl.ARRAY_BUFFER,new Float32Array(positions),gl.STATIC_DRAW);return positionBuffer},blitTexture:(gl,texture)=>{if(GodotWebXR.shaderProgram===null){GodotWebXR.shaderProgram=GodotWebXR.initShaderProgram(gl,GodotWebXR.vsSource,GodotWebXR.fsSource);GodotWebXR.programInfo={program:GodotWebXR.shaderProgram,attribLocations:{vertexPosition:gl.getAttribLocation(GodotWebXR.shaderProgram,"aVertexPosition")},uniformLocations:{uSampler:gl.getUniformLocation(GodotWebXR.shaderProgram,"uSampler")}};GodotWebXR.buffer=GodotWebXR.initBuffer(gl)}const orig_program=gl.getParameter(gl.CURRENT_PROGRAM);gl.useProgram(GodotWebXR.shaderProgram);gl.bindBuffer(gl.ARRAY_BUFFER,GodotWebXR.buffer);gl.vertexAttribPointer(GodotWebXR.programInfo.attribLocations.vertexPosition,2,gl.FLOAT,false,0,0);gl.enableVertexAttribArray(GodotWebXR.programInfo.attribLocations.vertexPosition);gl.activeTexture(gl.TEXTURE0);gl.bindTexture(gl.TEXTURE_2D,texture);gl.uniform1i(GodotWebXR.programInfo.uniformLocations.uSampler,0);gl.drawArrays(gl.TRIANGLE_STRIP,0,4);gl.bindTexture(gl.TEXTURE_2D,null);gl.disableVertexAttribArray(GodotWebXR.programInfo.attribLocations.vertexPosition);gl.bindBuffer(gl.ARRAY_BUFFER,null);gl.useProgram(orig_program)},controllers:[],sampleControllers:()=>{if(!GodotWebXR.session||!GodotWebXR.frame){return}let other_index=2;const controllers=[];GodotWebXR.session.inputSources.forEach(input_source=>{if(input_source.targetRayMode==="tracked-pointer"){if(input_source.handedness==="right"){controllers[1]=input_source}else if(input_source.handedness==="left"||!controllers[0]){controllers[0]=input_source}}else{controllers[other_index++]=input_source}});GodotWebXR.controllers=controllers},getControllerId:input_source=>GodotWebXR.controllers.indexOf(input_source)};function _godot_webxr_commit_for_eye(p_eye){if(!GodotWebXR.session||!GodotWebXR.pose){return}const view_index=p_eye===2?1:0;const glLayer=GodotWebXR.session.renderState.baseLayer;const view=GodotWebXR.pose.views[view_index];const viewport=glLayer.getViewport(view);const gl=GodotWebXR.gl;const orig_framebuffer=gl.getParameter(gl.FRAMEBUFFER_BINDING);const orig_viewport=gl.getParameter(gl.VIEWPORT);gl.bindFramebuffer(gl.FRAMEBUFFER,glLayer.framebuffer);gl.viewport(viewport.x,viewport.y,viewport.width,viewport.height);GodotWebXR.blitTexture(gl,GodotWebXR.textures[view_index]);gl.bindFramebuffer(gl.FRAMEBUFFER,orig_framebuffer);gl.viewport(orig_viewport[0],orig_viewport[1],orig_viewport[2],orig_viewport[3])}function _godot_webxr_get_bounds_geometry(){if(!GodotWebXR.space||!GodotWebXR.space.boundsGeometry){return 0}const point_count=GodotWebXR.space.boundsGeometry.length;if(point_count===0){return 0}const buf=GodotRuntime.malloc((point_count*3+1)*4);GodotRuntime.setHeapValue(buf,point_count,"i32");for(let i=0;i<point_count;i++){const point=GodotWebXR.space.boundsGeometry[i];GodotRuntime.setHeapValue(buf+(i*3+1)*4,point.x,"float");GodotRuntime.setHeapValue(buf+(i*3+2)*4,point.y,"float");GodotRuntime.setHeapValue(buf+(i*3+3)*4,point.z,"float")}return buf}function _godot_webxr_get_controller_axes(p_controller){if(GodotWebXR.controllers.length===0){return 0}const controller=GodotWebXR.controllers[p_controller];if(!controller||!controller.gamepad){return 0}const axes_count=controller.gamepad.axes.length;const buf=GodotRuntime.malloc((axes_count+1)*4);GodotRuntime.setHeapValue(buf,axes_count,"i32");for(let i=0;i<axes_count;i++){let value=controller.gamepad.axes[i];if(i===1||i===3){value*=-1}GodotRuntime.setHeapValue(buf+4+i*4,value,"float")}return buf}function _godot_webxr_get_controller_buttons(p_controller){if(GodotWebXR.controllers.length===0){return 0}const controller=GodotWebXR.controllers[p_controller];if(!controller||!controller.gamepad){return 0}const button_count=controller.gamepad.buttons.length;const buf=GodotRuntime.malloc((button_count+1)*4);GodotRuntime.setHeapValue(buf,button_count,"i32");for(let i=0;i<button_count;i++){GodotRuntime.setHeapValue(buf+4+i*4,controller.gamepad.buttons[i].value,"float")}return buf}function _godot_webxr_get_controller_count(){if(!GodotWebXR.session||!GodotWebXR.frame){return 0}return GodotWebXR.controllers.length}function _godot_webxr_get_controller_transform(p_controller){if(!GodotWebXR.session||!GodotWebXR.frame){return 0}const controller=GodotWebXR.controllers[p_controller];if(!controller){return 0}const frame=GodotWebXR.frame;const space=GodotWebXR.space;const pose=frame.getPose(controller.targetRaySpace,space);if(!pose){return 0}const matrix=pose.transform.matrix;const buf=GodotRuntime.malloc(16*4);for(let i=0;i<16;i++){GodotRuntime.setHeapValue(buf+i*4,matrix[i],"float")}return buf}function _godot_webxr_get_external_texture_for_eye(p_eye){if(!GodotWebXR.session){return 0}const view_index=p_eye===2?1:0;if(GodotWebXR.texture_ids[view_index]){return GodotWebXR.texture_ids[view_index]}if(!GodotWebXR.pose){return 0}const glLayer=GodotWebXR.session.renderState.baseLayer;const view=GodotWebXR.pose.views[view_index];const viewport=glLayer.getViewport(view);const gl=GodotWebXR.gl;const texture=gl.createTexture();gl.bindTexture(gl.TEXTURE_2D,texture);gl.texImage2D(gl.TEXTURE_2D,0,gl.RGBA,viewport.width,viewport.height,0,gl.RGBA,gl.UNSIGNED_BYTE,null);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.NEAREST);gl.bindTexture(gl.TEXTURE_2D,null);const texture_id=GL.getNewId(GL.textures);GL.textures[texture_id]=texture;GodotWebXR.textures[view_index]=texture;GodotWebXR.texture_ids[view_index]=texture_id;return texture_id}function _godot_webxr_get_projection_for_eye(p_eye){if(!GodotWebXR.session||!GodotWebXR.pose){return 0}const view_index=p_eye===2?1:0;const matrix=GodotWebXR.pose.views[view_index].projectionMatrix;const buf=GodotRuntime.malloc(16*4);for(let i=0;i<16;i++){GodotRuntime.setHeapValue(buf+i*4,matrix[i],"float")}return buf}function _godot_webxr_get_render_targetsize(){if(!GodotWebXR.session||!GodotWebXR.pose){return 0}const glLayer=GodotWebXR.session.renderState.baseLayer;const view=GodotWebXR.pose.views[0];const viewport=glLayer.getViewport(view);const buf=GodotRuntime.malloc(2*4);GodotRuntime.setHeapValue(buf+0,viewport.width,"i32");GodotRuntime.setHeapValue(buf+4,viewport.height,"i32");return buf}function _godot_webxr_get_transform_for_eye(p_eye){if(!GodotWebXR.session||!GodotWebXR.pose){return 0}const views=GodotWebXR.pose.views;let matrix;if(p_eye===0){matrix=GodotWebXR.pose.transform.matrix}else{matrix=views[p_eye-1].transform.matrix}const buf=GodotRuntime.malloc(16*4);for(let i=0;i<16;i++){GodotRuntime.setHeapValue(buf+i*4,matrix[i],"float")}return buf}function _godot_webxr_get_view_count(){if(!GodotWebXR.session||!GodotWebXR.pose){return 0}return GodotWebXR.pose.views.length}function _godot_webxr_get_visibility_state(){if(!GodotWebXR.session||!GodotWebXR.session.visibilityState){return 0}return GodotRuntime.allocString(GodotWebXR.session.visibilityState)}function _godot_webxr_initialize(p_session_mode,p_required_features,p_optional_features,p_requested_reference_spaces,p_on_session_started,p_on_session_ended,p_on_session_failed,p_on_controller_changed,p_on_input_event,p_on_simple_event){GodotWebXR.monkeyPatchRequestAnimationFrame(true);const session_mode=GodotRuntime.parseString(p_session_mode);const required_features=GodotRuntime.parseString(p_required_features).split(",").map(s=>s.trim()).filter(s=>s!=="");const optional_features=GodotRuntime.parseString(p_optional_features).split(",").map(s=>s.trim()).filter(s=>s!=="");const requested_reference_space_types=GodotRuntime.parseString(p_requested_reference_spaces).split(",").map(s=>s.trim());const onstarted=GodotRuntime.get_func(p_on_session_started);const onended=GodotRuntime.get_func(p_on_session_ended);const onfailed=GodotRuntime.get_func(p_on_session_failed);const oncontroller=GodotRuntime.get_func(p_on_controller_changed);const oninputevent=GodotRuntime.get_func(p_on_input_event);const onsimpleevent=GodotRuntime.get_func(p_on_simple_event);const session_init={};if(required_features.length>0){session_init["requiredFeatures"]=required_features}if(optional_features.length>0){session_init["optionalFeatures"]=optional_features}navigator.xr.requestSession(session_mode,session_init).then(function(session){GodotWebXR.session=session;session.addEventListener("end",function(evt){onended()});session.addEventListener("inputsourceschange",function(evt){let controller_changed=false;[evt.added,evt.removed].forEach(lst=>{lst.forEach(input_source=>{if(input_source.targetRayMode==="tracked-pointer"){controller_changed=true}})});if(controller_changed){oncontroller()}});["selectstart","select","selectend","squeezestart","squeeze","squeezeend"].forEach(input_event=>{session.addEventListener(input_event,function(evt){const c_str=GodotRuntime.allocString(input_event);oninputevent(c_str,GodotWebXR.getControllerId(evt.inputSource));GodotRuntime.free(c_str)})});session.addEventListener("visibilitychange",function(evt){const c_str=GodotRuntime.allocString("visibility_state_changed");onsimpleevent(c_str);GodotRuntime.free(c_str)});const gl_context_handle=_emscripten_webgl_get_current_context();const gl=GL.getContext(gl_context_handle).GLctx;GodotWebXR.gl=gl;gl.makeXRCompatible().then(function(){session.updateRenderState({baseLayer:new XRWebGLLayer(session,gl)});function onReferenceSpaceSuccess(reference_space,reference_space_type){GodotWebXR.space=reference_space;reference_space.onreset=function(evt){const c_str=GodotRuntime.allocString("reference_space_reset");onsimpleevent(c_str);GodotRuntime.free(c_str)};GodotWebXR.pauseResumeMainLoop();window.setTimeout(function(){const c_str=GodotRuntime.allocString(reference_space_type);onstarted(c_str);GodotRuntime.free(c_str)},0)}function requestReferenceSpace(){const reference_space_type=requested_reference_space_types.shift();session.requestReferenceSpace(reference_space_type).then(refSpace=>{onReferenceSpaceSuccess(refSpace,reference_space_type)}).catch(()=>{if(requested_reference_space_types.length===0){const c_str=GodotRuntime.allocString("Unable to get any of the requested reference space types");onfailed(c_str);GodotRuntime.free(c_str)}else{requestReferenceSpace()}})}requestReferenceSpace()}).catch(function(error){const c_str=GodotRuntime.allocString(`Unable to make WebGL context compatible with WebXR: ${error}`);onfailed(c_str);GodotRuntime.free(c_str)})}).catch(function(error){const c_str=GodotRuntime.allocString(`Unable to start session: ${error}`);onfailed(c_str);GodotRuntime.free(c_str)})}function _godot_webxr_is_controller_connected(p_controller){if(!GodotWebXR.session||!GodotWebXR.frame){return false}return!!GodotWebXR.controllers[p_controller]}function _godot_webxr_is_session_supported(p_session_mode,p_callback){const session_mode=GodotRuntime.parseString(p_session_mode);const cb=GodotRuntime.get_func(p_callback);if(navigator.xr){navigator.xr.isSessionSupported(session_mode).then(function(supported){const c_str=GodotRuntime.allocString(session_mode);cb(c_str,supported?1:0);GodotRuntime.free(c_str)})}else{const c_str=GodotRuntime.allocString(session_mode);cb(c_str,0);GodotRuntime.free(c_str)}}function _godot_webxr_is_supported(){return!!navigator.xr}function _godot_webxr_sample_controller_data(){GodotWebXR.sampleControllers()}function _godot_webxr_uninitialize(){if(GodotWebXR.session){GodotWebXR.session.end().catch(e=>{})}const gl=GodotWebXR.gl;for(let i=0;i<GodotWebXR.textures.length;i++){const texture=GodotWebXR.textures[i];if(texture!==null){gl.deleteTexture(texture)}GodotWebXR.textures[i]=null;const texture_id=GodotWebXR.texture_ids[i];if(texture_id!==null){GL.textures[texture_id]=null}GodotWebXR.texture_ids[i]=null}GodotWebXR.session=null;GodotWebXR.space=null;GodotWebXR.frame=null;GodotWebXR.pose=null;GodotWebXR.monkeyPatchRequestAnimationFrame(false);GodotWebXR.pauseResumeMainLoop()}function _kill(pid,sig){setErrNo(ERRNO_CODES.EPERM);return-1}function _tzset(){if(_tzset.called)return;_tzset.called=true;var currentYear=(new Date).getFullYear();var winter=new Date(currentYear,0,1);var summer=new Date(currentYear,6,1);var winterOffset=winter.getTimezoneOffset();var summerOffset=summer.getTimezoneOffset();var stdTimezoneOffset=Math.max(winterOffset,summerOffset);HEAP32[__get_timezone()>>2]=stdTimezoneOffset*60;HEAP32[__get_daylight()>>2]=Number(winterOffset!=summerOffset);function extractZone(date){var match=date.toTimeString().match(/\(([A-Za-z ]+)\)$/);return match?match[1]:"GMT"}var winterName=extractZone(winter);var summerName=extractZone(summer);var winterNamePtr=allocateUTF8(winterName);var summerNamePtr=allocateUTF8(summerName);if(summerOffset<winterOffset){HEAP32[__get_tzname()>>2]=winterNamePtr;HEAP32[__get_tzname()+4>>2]=summerNamePtr}else{HEAP32[__get_tzname()>>2]=summerNamePtr;HEAP32[__get_tzname()+4>>2]=winterNamePtr}}function _localtime_r(time,tmPtr){_tzset();var date=new Date(HEAP32[time>>2]*1e3);HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getDay();var start=new Date(date.getFullYear(),0,1);var yday=(date.getTime()-start.getTime())/(1e3*60*60*24)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr+36>>2]=-(date.getTimezoneOffset()*60);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dst=(summerOffset!=winterOffset&&date.getTimezoneOffset()==Math.min(winterOffset,summerOffset))|0;HEAP32[tmPtr+32>>2]=dst;var zonePtr=HEAP32[__get_tzname()+(dst?4:0)>>2];HEAP32[tmPtr+40>>2]=zonePtr;return tmPtr}function _setTempRet0($i){setTempRet0($i|0)}function _sigaction(signum,act,oldact){return 0}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","%Ec":"%c","%EC":"%C","%Ex":"%m/%d/%y","%EX":"%H:%M:%S","%Ey":"%y","%EY":"%Y","%Od":"%d","%Oe":"%e","%OH":"%H","%OI":"%I","%Om":"%m","%OM":"%M","%OS":"%S","%Ou":"%u","%OU":"%U","%OV":"%V","%Ow":"%w","%OW":"%W","%Oy":"%y"};for(var rule in EXPANSION_RULES_1){pattern=pattern.replace(new RegExp(rule,"g"),EXPANSION_RULES_1[rule])}var WEEKDAYS=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];var MONTHS=["January","February","March","April","May","June","July","August","September","October","November","December"];function leadingSomething(value,digits,character){var str=typeof value==="number"?value.toString():value||"";while(str.length<digits){str=character[0]+str}return str}function leadingNulls(value,digits){return leadingSomething(value,digits,"0")}function compareByDay(date1,date2){function sgn(value){return value<0?-1:value>0?1:0}var compare;if((compare=sgn(date1.getFullYear()-date2.getFullYear()))===0){if((compare=sgn(date1.getMonth()-date2.getMonth()))===0){compare=sgn(date1.getDate()-date2.getDate())}}return compare}function getFirstWeekStartDate(janFourth){switch(janFourth.getDay()){case 0:return new Date(janFourth.getFullYear()-1,11,29);case 1:return janFourth;case 2:return new Date(janFourth.getFullYear(),0,3);case 3:return new Date(janFourth.getFullYear(),0,2);case 4:return new Date(janFourth.getFullYear(),0,1);case 5:return new Date(janFourth.getFullYear()-1,11,31);case 6:return new Date(janFourth.getFullYear()-1,11,30)}}function getWeekBasedYear(date){var thisDate=__addDays(new Date(date.tm_year+1900,0,1),date.tm_yday);var janFourthThisYear=new Date(thisDate.getFullYear(),0,4);var janFourthNextYear=new Date(thisDate.getFullYear()+1,0,4);var firstWeekStartThisYear=getFirstWeekStartDate(janFourthThisYear);var firstWeekStartNextYear=getFirstWeekStartDate(janFourthNextYear);if(compareByDay(firstWeekStartThisYear,thisDate)<=0){if(compareByDay(firstWeekStartNextYear,thisDate)<=0){return thisDate.getFullYear()+1}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){return date.tm_wday||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){return date.tm_wday},"%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 _strftime_l(s,maxsize,format,tm){return _strftime(s,maxsize,format,tm)}function _sysconf(name){switch(name){case 30:return 16384;case 85:var maxHeapSize=2147483648;return maxHeapSize/16384;case 132:case 133:case 12:case 137:case 138:case 15:case 235:case 16:case 17:case 18:case 19:case 20:case 149:case 13:case 10:case 236:case 153:case 9:case 21:case 22:case 159:case 154:case 14:case 77:case 78:case 139:case 82:case 68:case 67:case 164:case 11:case 29:case 47:case 48:case 95:case 52:case 51:case 46:return 200809;case 27:case 246:case 127:case 128:case 23:case 24:case 160:case 161:case 181:case 182:case 242:case 183:case 184:case 243:case 244:case 245:case 165:case 178:case 179:case 49:case 50:case 168:case 169:case 175:case 170:case 171:case 172:case 97:case 76:case 32:case 173:case 35:case 80:case 81:case 79:return-1;case 176:case 177:case 7:case 155:case 8:case 157:case 125:case 126:case 92:case 93:case 129:case 130:case 131:case 94:case 91:return 1;case 74:case 60:case 69:case 70:case 4:return 1024;case 31:case 42:case 72:return 32;case 87:case 26:case 33:return 2147483647;case 34:case 1:return 47839;case 38:case 36:return 99;case 43:case 37:return 2048;case 0:return 2097152;case 3:return 65536;case 28:return 32768;case 44:return 32767;case 75:return 16384;case 39:return 1e3;case 89:return 700;case 71:return 256;case 40:return 255;case 2:return 100;case 180:return 64;case 25:return 20;case 5:return 16;case 6:return 6;case 73:return 4;case 84:{if(typeof navigator==="object")return navigator["hardwareConcurrency"]||1;return 1}}setErrNo(28);return-1}function _time(ptr){var ret=Date.now()/1e3|0;if(ptr){HEAP32[ptr>>2]=ret}return ret}var readAsmConstArgsArray=[];function readAsmConstArgs(sigPtr,buf){readAsmConstArgsArray.length=0;var ch;buf>>=2;while(ch=HEAPU8[sigPtr++]){var double=ch<105;if(double&&buf&1)buf++;readAsmConstArgsArray.push(double?HEAPF64[buf++>>1]:HEAP32[buf]);++buf}return readAsmConstArgsArray}var FSNode=function(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev};var readMode=292|73;var writeMode=146;Object.defineProperties(FSNode.prototype,{read:{get:function(){return(this.mode&readMode)===readMode},set:function(val){val?this.mode|=readMode:this.mode&=~readMode}},write:{get:function(){return(this.mode&writeMode)===writeMode},set:function(val){val?this.mode|=writeMode:this.mode&=~writeMode}},isFolder:{get:function(){return FS.isDir(this.mode)}},isDevice:{get:function(){return FS.isChrdev(this.mode)}}});FS.FSNode=FSNode;FS.staticInit();Module["requestFullscreen"]=function Module_requestFullscreen(lockPointer,resizeCanvas){Browser.requestFullscreen(lockPointer,resizeCanvas)};Module["requestAnimationFrame"]=function Module_requestAnimationFrame(func){Browser.requestAnimationFrame(func)};Module["setCanvasSize"]=function Module_setCanvasSize(width,height,noUpdates){Browser.setCanvasSize(width,height,noUpdates)};Module["pauseMainLoop"]=function Module_pauseMainLoop(){Browser.mainLoop.pause()};Module["resumeMainLoop"]=function Module_resumeMainLoop(){Browser.mainLoop.resume()};Module["getUserMedia"]=function Module_getUserMedia(){Browser.getUserMedia()};Module["createContext"]=function Module_createContext(canvas,useWebGL,setInModule,webGLContextAttributes){return Browser.createContext(canvas,useWebGL,setInModule,webGLContextAttributes)};var GLctx;for(var i=0;i<32;++i)tempFixedLengthArray.push(new Array(i));var miniTempWebGLFloatBuffersStorage=new 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_htons=Module["_htons"]=function(){return(_htons=Module["_htons"]=Module["asm"]["ek"]).apply(null,arguments)};var _ntohs=Module["_ntohs"]=function(){return(_ntohs=Module["_ntohs"]=Module["asm"]["fk"]).apply(null,arguments)};var ___errno_location=Module["___errno_location"]=function(){return(___errno_location=Module["___errno_location"]=Module["asm"]["gk"]).apply(null,arguments)};var __emwebxr_on_input_event=Module["__emwebxr_on_input_event"]=function(){return(__emwebxr_on_input_event=Module["__emwebxr_on_input_event"]=Module["asm"]["hk"]).apply(null,arguments)};var __emwebxr_on_simple_event=Module["__emwebxr_on_simple_event"]=function(){return(__emwebxr_on_simple_event=Module["__emwebxr_on_simple_event"]=Module["asm"]["ik"]).apply(null,arguments)};var __get_tzname=Module["__get_tzname"]=function(){return(__get_tzname=Module["__get_tzname"]=Module["asm"]["jk"]).apply(null,arguments)};var __get_daylight=Module["__get_daylight"]=function(){return(__get_daylight=Module["__get_daylight"]=Module["asm"]["kk"]).apply(null,arguments)};var __get_timezone=Module["__get_timezone"]=function(){return(__get_timezone=Module["__get_timezone"]=Module["asm"]["lk"]).apply(null,arguments)};var stackSave=Module["stackSave"]=function(){return(stackSave=Module["stackSave"]=Module["asm"]["mk"]).apply(null,arguments)};var stackRestore=Module["stackRestore"]=function(){return(stackRestore=Module["stackRestore"]=Module["asm"]["nk"]).apply(null,arguments)};var stackAlloc=Module["stackAlloc"]=function(){return(stackAlloc=Module["stackAlloc"]=Module["asm"]["ok"]).apply(null,arguments)};var _setThrew=Module["_setThrew"]=function(){return(_setThrew=Module["_setThrew"]=Module["asm"]["pk"]).apply(null,arguments)};var dynCall_iij=Module["dynCall_iij"]=function(){return(dynCall_iij=Module["dynCall_iij"]=Module["asm"]["rk"]).apply(null,arguments)};function invoke_vii(index,a1,a2){var sp=stackSave();try{wasmTable.get(index)(a1,a2)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_vi(index,a1){var sp=stackSave();try{wasmTable.get(index)(a1)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_viii(index,a1,a2,a3){var sp=stackSave();try{wasmTable.get(index)(a1,a2,a3)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_ii(index,a1){var sp=stackSave();try{return wasmTable.get(index)(a1)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iii(index,a1,a2){var sp=stackSave();try{return wasmTable.get(index)(a1,a2)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iiiii(index,a1,a2,a3,a4){var sp=stackSave();try{return wasmTable.get(index)(a1,a2,a3,a4)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iiiiii(index,a1,a2,a3,a4,a5){var sp=stackSave();try{return wasmTable.get(index)(a1,a2,a3,a4,a5)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_viiii(index,a1,a2,a3,a4){var sp=stackSave();try{wasmTable.get(index)(a1,a2,a3,a4)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iiii(index,a1,a2,a3){var sp=stackSave();try{return wasmTable.get(index)(a1,a2,a3)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_viiiiiii(index,a1,a2,a3,a4,a5,a6,a7){var sp=stackSave();try{wasmTable.get(index)(a1,a2,a3,a4,a5,a6,a7)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iiiiiii(index,a1,a2,a3,a4,a5,a6){var sp=stackSave();try{return wasmTable.get(index)(a1,a2,a3,a4,a5,a6)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}function invoke_iij(index,a1,a2,a3){var sp=stackSave();try{return dynCall_iij(index,a1,a2,a3)}catch(e){stackRestore(sp);if(e!==e+0&&e!=="longjmp")throw e;_setThrew(1,0)}}Module["cwrap"]=cwrap;Module["callMain"]=callMain;var calledRun;function ExitStatus(status){this.name="ExitStatus";this.message="Program terminated with exit("+status+")";this.status=status}var calledMain=false;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function callMain(args){var entryFunction=Module["_main"];args=args||[];var argc=args.length+1;var argv=stackAlloc((argc+1)*4);HEAP32[argv>>2]=allocateUTF8OnStack(thisProgram);for(var i=1;i<argc;i++){HEAP32[(argv>>2)+i]=allocateUTF8OnStack(args[i-1])}HEAP32[(argv>>2)+argc]=0;try{var ret=entryFunction(argc,argv);exit(ret,true)}catch(e){if(e instanceof ExitStatus){return}else if(e=="unwind"){noExitRuntime=true;return}else{var toLog=e;if(e&&typeof e==="object"&&e.stack){toLog=[e,e.stack]}err("exception thrown: "+toLog);quit_(1,e)}}finally{calledMain=true}}function run(args){args=args||arguments_;if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();preMain();readyPromiseResolve(Module);if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();if(shouldRunNow)callMain(args);postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}Module["run"]=run;function exit(status,implicit){if(implicit&&noExitRuntime&&status===0){return}if(noExitRuntime){}else{EXITSTATUS=status;exitRuntime();if(Module["onExit"])Module["onExit"](status);ABORT=true}quit_(status,new ExitStatus(status))}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=false;if(Module["noInitialRun"])shouldRunNow=false;run();


  return Godot.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
  module.exports = Godot;
else if (typeof define === 'function' && define['amd'])
  define([], function() { return Godot; });
else if (typeof exports === 'object')
  exports["Godot"] = Godot;

const Preloader = /** @constructor */ function () { // eslint-disable-line no-unused-vars
	function getTrackedResponse(response, load_status) {
		function onloadprogress(reader, controller) {
			return reader.read().then(function (result) {
				if (load_status.done) {
					return Promise.resolve();
				}
				if (result.value) {
					controller.enqueue(result.value);
					load_status.loaded += result.value.length;
				}
				if (!result.done) {
					return onloadprogress(reader, controller);
				}
				load_status.done = true;
				return Promise.resolve();
			});
		}
		const reader = response.body.getReader();
		return new Response(new ReadableStream({
			start: function (controller) {
				onloadprogress(reader, controller).then(function () {
					controller.close();
				});
			},
		}), { headers: response.headers });
	}

	function loadFetch(file, tracker, fileSize, raw) {
		tracker[file] = {
			total: fileSize || 0,
			loaded: 0,
			done: false,
		};
		return fetch(file).then(function (response) {
			if (!response.ok) {
				return Promise.reject(new Error(`Failed loading file '${file}'`));
			}
			const tr = getTrackedResponse(response, tracker[file]);
			if (raw) {
				return Promise.resolve(tr);
			}
			return tr.arrayBuffer();
		});
	}

	function retry(func, attempts = 1) {
		function onerror(err) {
			if (attempts <= 1) {
				return Promise.reject(err);
			}
			return new Promise(function (resolve, reject) {
				setTimeout(function () {
					retry(func, attempts - 1).then(resolve).catch(reject);
				}, 1000);
			});
		}
		return func().catch(onerror);
	}

	const DOWNLOAD_ATTEMPTS_MAX = 4;
	const loadingFiles = {};
	const lastProgress = { loaded: 0, total: 0 };
	let progressFunc = null;

	const animateProgress = function () {
		let loaded = 0;
		let total = 0;
		let totalIsValid = true;
		let progressIsFinal = true;

		Object.keys(loadingFiles).forEach(function (file) {
			const stat = loadingFiles[file];
			if (!stat.done) {
				progressIsFinal = false;
			}
			if (!totalIsValid || stat.total === 0) {
				totalIsValid = false;
				total = 0;
			} else {
				total += stat.total;
			}
			loaded += stat.loaded;
		});
		if (loaded !== lastProgress.loaded || total !== lastProgress.total) {
			lastProgress.loaded = loaded;
			lastProgress.total = total;
			if (typeof progressFunc === 'function') {
				progressFunc(loaded, total);
			}
		}
		if (!progressIsFinal) {
			requestAnimationFrame(animateProgress);
		}
	};

	this.animateProgress = animateProgress;

	this.setProgressFunc = function (callback) {
		progressFunc = callback;
	};

	this.loadPromise = function (file, fileSize, raw = false) {
		return retry(loadFetch.bind(null, file, loadingFiles, fileSize, raw), DOWNLOAD_ATTEMPTS_MAX);
	};

	this.preloadedFiles = [];
	this.preload = function (pathOrBuffer, destPath, fileSize) {
		let buffer = null;
		if (typeof pathOrBuffer === 'string') {
			const me = this;
			return this.loadPromise(pathOrBuffer, fileSize).then(function (buf) {
				me.preloadedFiles.push({
					path: destPath || pathOrBuffer,
					buffer: buf,
				});
				return Promise.resolve();
			});
		} else if (pathOrBuffer instanceof ArrayBuffer) {
			buffer = new Uint8Array(pathOrBuffer);
		} else if (ArrayBuffer.isView(pathOrBuffer)) {
			buffer = new Uint8Array(pathOrBuffer.buffer);
		}
		if (buffer) {
			this.preloadedFiles.push({
				path: destPath,
				buffer: pathOrBuffer,
			});
			return Promise.resolve();
		}
		return Promise.reject(new Error('Invalid object for preloading'));
	};
};

/**
 * An object used to configure the Engine instance based on godot export options, and to override those in custom HTML
 * templates if needed.
 *
 * @header Engine configuration
 * @summary The Engine configuration object. This is just a typedef, create it like a regular object, e.g.:
 *
 * ``const MyConfig = { executable: 'godot', unloadAfterInit: false }``
 *
 * @typedef {Object} EngineConfig
 */
const EngineConfig = {}; // eslint-disable-line no-unused-vars

/**
 * @struct
 * @constructor
 * @ignore
 */
const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-vars
	const cfg = /** @lends {InternalConfig.prototype} */ {
		/**
		 * Whether the unload the engine automatically after the instance is initialized.
		 *
		 * @memberof EngineConfig
		 * @default
		 * @type {boolean}
		 */
		unloadAfterInit: true,
		/**
		 * The HTML DOM Canvas object to use.
		 *
		 * By default, the first canvas element in the document will be used is none is specified.
		 *
		 * @memberof EngineConfig
		 * @default
		 * @type {?HTMLCanvasElement}
		 */
		canvas: null,
		/**
		 * The name of the WASM file without the extension. (Set by Godot Editor export process).
		 *
		 * @memberof EngineConfig
		 * @default
		 * @type {string}
		 */
		executable: '',
		/**
		 * An alternative name for the game pck to load. The executable name is used otherwise.
		 *
		 * @memberof EngineConfig
		 * @default
		 * @type {?string}
		 */
		mainPack: null,
		/**
		 * Specify a language code to select the proper localization for the game.
		 *
		 * The browser locale will be used if none is specified. See complete list of
		 * :ref:`supported locales <doc_locales>`.
		 *
		 * @memberof EngineConfig
		 * @type {?string}
		 * @default
		 */
		locale: null,
		/**
		 * The canvas resize policy determines how the canvas should be resized by Godot.
		 *
		 * ``0`` means Godot won't do any resizing. This is useful if you want to control the canvas size from
		 * javascript code in your template.
		 *
		 * ``1`` means Godot will resize the canvas on start, and when changing window size via engine functions.
		 *
		 * ``2`` means Godot will adapt the canvas size to match the whole browser window.
		 *
		 * @memberof EngineConfig
		 * @type {number}
		 * @default
		 */
		canvasResizePolicy: 2,
		/**
		 * The arguments to be passed as command line arguments on startup.
		 *
		 * See :ref:`command line tutorial <doc_command_line_tutorial>`.
		 *
		 * **Note**: :js:meth:`startGame <Engine.prototype.startGame>` will always add the ``--main-pack`` argument.
		 *
		 * @memberof EngineConfig
		 * @type {Array<string>}
		 * @default
		 */
		args: [],
		/**
		 * When enabled, this will turn on experimental virtual keyboard support on mobile.
		 *
		 * @memberof EngineConfig
		 * @type {boolean}
		 * @default
		 */
		experimentalVK: false,
		/**
		 * @ignore
		 * @type {Array.<string>}
		 */
		persistentPaths: ['/userfs'],
		/**
		 * @ignore
		 * @type {boolean}
		 */
		persistentDrops: false,
		/**
		 * @ignore
		 * @type {Array.<string>}
		 */
		gdnativeLibs: [],
		/**
		 * @ignore
		 * @type {Array.<string>}
		 */
		fileSizes: [],
		/**
		 * A callback function for handling Godot's ``OS.execute`` calls.
		 *
		 * This is for example used in the Web Editor template to switch between project manager and editor, and for running the game.
		 *
		 * @callback EngineConfig.onExecute
		 * @param {string} path The path that Godot's wants executed.
		 * @param {Array.<string>} args The arguments of the "command" to execute.
		 */
		/**
		 * @ignore
		 * @type {?function(string, Array.<string>)}
		 */
		onExecute: null,
		/**
		 * A callback function for being notified when the Godot instance quits.
		 *
		 * **Note**: This function will not be called if the engine crashes or become unresponsive.
		 *
		 * @callback EngineConfig.onExit
		 * @param {number} status_code The status code returned by Godot on exit.
		 */
		/**
		 * @ignore
		 * @type {?function(number)}
		 */
		onExit: null,
		/**
		 * A callback function for displaying download progress.
		 *
		 * The function is called once per frame while downloading files, so the usage of ``requestAnimationFrame()``
		 * is not necessary.
		 *
		 * If the callback function receives a total amount of bytes as 0, this means that it is impossible to calculate.
		 * Possible reasons include:
		 *
		 * -  Files are delivered with server-side chunked compression
		 * -  Files are delivered with server-side compression on Chromium
		 * -  Not all file downloads have started yet (usually on servers without multi-threading)
		 *
		 * @callback EngineConfig.onProgress
		 * @param {number} current The current amount of downloaded bytes so far.
		 * @param {number} total The total amount of bytes to be downloaded.
		 */
		/**
		 * @ignore
		 * @type {?function(number, number)}
		 */
		onProgress: null,
		/**
		 * A callback function for handling the standard output stream. This method should usually only be used in debug pages.
		 *
		 * By default, ``console.log()`` is used.
		 *
		 * @callback EngineConfig.onPrint
		 * @param {...*} [var_args] A variadic number of arguments to be printed.
		 */
		/**
		 * @ignore
		 * @type {?function(...*)}
		 */
		onPrint: function () {
			console.log.apply(console, Array.from(arguments)); // eslint-disable-line no-console
		},
		/**
		 * A callback function for handling the standard error stream. This method should usually only be used in debug pages.
		 *
		 * By default, ``console.error()`` is used.
		 *
		 * @callback EngineConfig.onPrintError
		 * @param {...*} [var_args] A variadic number of arguments to be printed as errors.
		*/
		/**
		 * @ignore
		 * @type {?function(...*)}
		 */
		onPrintError: function (var_args) {
			console.error.apply(console, Array.from(arguments)); // eslint-disable-line no-console
		},
	};

	/**
	 * @ignore
	 * @struct
	 * @constructor
	 * @param {EngineConfig} opts
	 */
	function Config(opts) {
		this.update(opts);
	}

	Config.prototype = cfg;

	/**
	 * @ignore
	 * @param {EngineConfig} opts
	 */
	Config.prototype.update = function (opts) {
		const config = opts || {};
		function parse(key, def) {
			if (typeof (config[key]) === 'undefined') {
				return def;
			}
			return config[key];
		}
		// Module config
		this.unloadAfterInit = parse('unloadAfterInit', this.unloadAfterInit);
		this.onPrintError = parse('onPrintError', this.onPrintError);
		this.onPrint = parse('onPrint', this.onPrint);
		this.onProgress = parse('onProgress', this.onProgress);

		// Godot config
		this.canvas = parse('canvas', this.canvas);
		this.executable = parse('executable', this.executable);
		this.mainPack = parse('mainPack', this.mainPack);
		this.locale = parse('locale', this.locale);
		this.canvasResizePolicy = parse('canvasResizePolicy', this.canvasResizePolicy);
		this.persistentPaths = parse('persistentPaths', this.persistentPaths);
		this.persistentDrops = parse('persistentDrops', this.persistentDrops);
		this.experimentalVK = parse('experimentalVK', this.experimentalVK);
		this.gdnativeLibs = parse('gdnativeLibs', this.gdnativeLibs);
		this.fileSizes = parse('fileSizes', this.fileSizes);
		this.args = parse('args', this.args);
		this.onExecute = parse('onExecute', this.onExecute);
		this.onExit = parse('onExit', this.onExit);
	};

	/**
	 * @ignore
	 * @param {string} loadPath
	 * @param {Response} response
	 */
	Config.prototype.getModuleConfig = function (loadPath, response) {
		let r = response;
		return {
			'print': this.onPrint,
			'printErr': this.onPrintError,
			'thisProgram': this.executable,
			'noExitRuntime': true,
			'dynamicLibraries': [`${loadPath}.side.wasm`],
			'instantiateWasm': function (imports, onSuccess) {
				function done(result) {
					onSuccess(result['instance'], result['module']);
				}
				if (typeof (WebAssembly.instantiateStreaming) !== 'undefined') {
					WebAssembly.instantiateStreaming(Promise.resolve(r), imports).then(done);
				} else {
					r.arrayBuffer().then(function (buffer) {
						WebAssembly.instantiate(buffer, imports).then(done);
					});
				}
				r = null;
				return {};
			},
			'locateFile': function (path) {
				if (path.endsWith('.worker.js')) {
					return `${loadPath}.worker.js`;
				} else if (path.endsWith('.audio.worklet.js')) {
					return `${loadPath}.audio.worklet.js`;
				} else if (path.endsWith('.js')) {
					return `${loadPath}.js`;
				} else if (path.endsWith('.side.wasm')) {
					return `${loadPath}.side.wasm`;
				} else if (path.endsWith('.wasm')) {
					return `${loadPath}.wasm`;
				}
				return path;
			},
		};
	};

	/**
	 * @ignore
	 * @param {function()} cleanup
	 */
	Config.prototype.getGodotConfig = function (cleanup) {
		// Try to find a canvas
		if (!(this.canvas instanceof HTMLCanvasElement)) {
			const nodes = document.getElementsByTagName('canvas');
			if (nodes.length && nodes[0] instanceof HTMLCanvasElement) {
				this.canvas = nodes[0];
			}
			if (!this.canvas) {
				throw new Error('No canvas found in page');
			}
		}
		// Canvas can grab focus on click, or key events won't work.
		if (this.canvas.tabIndex < 0) {
			this.canvas.tabIndex = 0;
		}

		// Browser locale, or custom one if defined.
		let locale = this.locale;
		if (!locale) {
			locale = navigator.languages ? navigator.languages[0] : navigator.language;
			locale = locale.split('.')[0];
		}
		const onExit = this.onExit;

		// Godot configuration.
		return {
			'canvas': this.canvas,
			'canvasResizePolicy': this.canvasResizePolicy,
			'locale': locale,
			'persistentDrops': this.persistentDrops,
			'virtualKeyboard': this.experimentalVK,
			'onExecute': this.onExecute,
			'onExit': function (p_code) {
				cleanup(); // We always need to call the cleanup callback to free memory.
				if (typeof (onExit) === 'function') {
					onExit(p_code);
				}
			},
		};
	};
	return new Config(initConfig);
};

/**
 * Projects exported for the Web expose the :js:class:`Engine` class to the JavaScript environment, that allows
 * fine control over the engine's start-up process.
 *
 * This API is built in an asynchronous manner and requires basic understanding
 * of `Promises <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises>`__.
 *
 * @module Engine
 * @header HTML5 shell class reference
 */
const Engine = (function () {
	const preloader = new Preloader();

	let loadPromise = null;
	let loadPath = '';
	let initPromise = null;

	/**
	 * @classdesc The ``Engine`` class provides methods for loading and starting exported projects on the Web. For default export
	 * settings, this is already part of the exported HTML page. To understand practical use of the ``Engine`` class,
	 * see :ref:`Custom HTML page for Web export <doc_customizing_html5_shell>`.
	 *
	 * @description Create a new Engine instance with the given configuration.
	 *
	 * @global
	 * @constructor
	 * @param {EngineConfig} initConfig The initial config for this instance.
	 */
	function Engine(initConfig) { // eslint-disable-line no-shadow
		this.config = new InternalConfig(initConfig);
		this.rtenv = null;
	}

	/**
	 * Load the engine from the specified base path.
	 *
	 * @param {string} basePath Base path of the engine to load.
	 * @param {number=} [size=0] The file size if known.
	 * @returns {Promise} A Promise that resolves once the engine is loaded.
	 *
	 * @function Engine.load
	 */
	Engine.load = function (basePath, size) {
		if (loadPromise == null) {
			loadPath = basePath;
			loadPromise = preloader.loadPromise(`${loadPath}.wasm`, size, true);
			requestAnimationFrame(preloader.animateProgress);
		}
		return loadPromise;
	};

	/**
	 * Unload the engine to free memory.
	 *
	 * This method will be called automatically depending on the configuration. See :js:attr:`unloadAfterInit`.
	 *
	 * @function Engine.unload
	 */
	Engine.unload = function () {
		loadPromise = null;
	};

	/**
	 * Check whether WebGL is available. Optionally, specify a particular version of WebGL to check for.
	 *
	 * @param {number=} [majorVersion=1] The major WebGL version to check for.
	 * @returns {boolean} If the given major version of WebGL is available.
	 * @function Engine.isWebGLAvailable
	 */
	Engine.isWebGLAvailable = function (majorVersion = 1) {
		try {
			return !!document.createElement('canvas').getContext(['webgl', 'webgl2'][majorVersion - 1]);
		} catch (e) { /* Not available */ }
		return false;
	};

	/**
	 * Safe Engine constructor, creates a new prototype for every new instance to avoid prototype pollution.
	 * @ignore
	 * @constructor
	 */
	function SafeEngine(initConfig) {
		const proto = /** @lends Engine.prototype */ {
			/**
			 * Initialize the engine instance. Optionally, pass the base path to the engine to load it,
			 * if it hasn't been loaded yet. See :js:meth:`Engine.load`.
			 *
			 * @param {string=} basePath Base path of the engine to load.
			 * @return {Promise} A ``Promise`` that resolves once the engine is loaded and initialized.
			 */
			init: function (basePath) {
				if (initPromise) {
					return initPromise;
				}
				if (loadPromise == null) {
					if (!basePath) {
						initPromise = Promise.reject(new Error('A base path must be provided when calling `init` and the engine is not loaded.'));
						return initPromise;
					}
					Engine.load(basePath, this.config.fileSizes[`${basePath}.wasm`]);
				}
				const me = this;
				function doInit(promise) {
					// Care! Promise chaining is bogus with old emscripten versions.
					// This caused a regression with the Mono build (which uses an older emscripten version).
					// Make sure to test that when refactoring.
					return new Promise(function (resolve, reject) {
						promise.then(function (response) {
							const cloned = new Response(response.clone().body, { 'headers': [['content-type', 'application/wasm']] });
							Godot(me.config.getModuleConfig(loadPath, cloned)).then(function (module) {
								const paths = me.config.persistentPaths;
								module['initFS'](paths).then(function (err) {
									me.rtenv = module;
									if (me.config.unloadAfterInit) {
										Engine.unload();
									}
									resolve();
								});
							});
						});
					});
				}
				preloader.setProgressFunc(this.config.onProgress);
				initPromise = doInit(loadPromise);
				return initPromise;
			},

			/**
			 * Load a file so it is available in the instance's file system once it runs. Must be called **before** starting the
			 * instance.
			 *
			 * If not provided, the ``path`` is derived from the URL of the loaded file.
			 *
			 * @param {string|ArrayBuffer} file The file to preload.
			 *
			 * If a ``string`` the file will be loaded from that path.
			 *
			 * If an ``ArrayBuffer`` or a view on one, the buffer will used as the content of the file.
			 *
			 * @param {string=} path Path by which the file will be accessible. Required, if ``file`` is not a string.
			 *
			 * @returns {Promise} A Promise that resolves once the file is loaded.
			 */
			preloadFile: function (file, path) {
				return preloader.preload(file, path, this.config.fileSizes[file]);
			},

			/**
			 * Start the engine instance using the given override configuration (if any).
			 * :js:meth:`startGame <Engine.prototype.startGame>` can be used in typical cases instead.
			 *
			 * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`.
			 * The engine must be loaded beforehand.
			 *
			 * Fails if a canvas cannot be found on the page, or not specified in the configuration.
			 *
			 * @param {EngineConfig} override An optional configuration override.
			 * @return {Promise} Promise that resolves once the engine started.
			 */
			start: function (override) {
				this.config.update(override);
				const me = this;
				return me.init().then(function () {
					if (!me.rtenv) {
						return Promise.reject(new Error('The engine must be initialized before it can be started'));
					}

					let config = {};
					try {
						config = me.config.getGodotConfig(function () {
							me.rtenv = null;
						});
					} catch (e) {
						return Promise.reject(e);
					}
					// Godot configuration.
					me.rtenv['initConfig'](config);

					// Preload GDNative libraries.
					const libs = [];
					me.config.gdnativeLibs.forEach(function (lib) {
						libs.push(me.rtenv['loadDynamicLibrary'](lib, { 'loadAsync': true }));
					});
					return Promise.all(libs).then(function () {
						return new Promise(function (resolve, reject) {
							preloader.preloadedFiles.forEach(function (file) {
								me.rtenv['copyToFS'](file.path, file.buffer);
							});
							preloader.preloadedFiles.length = 0; // Clear memory
							me.rtenv['callMain'](me.config.args);
							initPromise = null;
							resolve();
						});
					});
				});
			},

			/**
			 * Start the game instance using the given configuration override (if any).
			 *
			 * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`.
			 *
			 * This will load the engine if it is not loaded, and preload the main pck.
			 *
			 * This method expects the initial config (or the override) to have both the :js:attr:`executable` and :js:attr:`mainPack`
			 * properties set (normally done by the editor during export).
			 *
			 * @param {EngineConfig} override An optional configuration override.
			 * @return {Promise} Promise that resolves once the game started.
			 */
			startGame: function (override) {
				this.config.update(override);
				// Add main-pack argument.
				const exe = this.config.executable;
				const pack = this.config.mainPack || `${exe}.pck`;
				this.config.args = ['--main-pack', pack].concat(this.config.args);
				// Start and init with execName as loadPath if not inited.
				const me = this;
				return Promise.all([
					this.init(exe),
					this.preloadFile(pack, pack),
				]).then(function () {
					return me.start.apply(me);
				});
			},

			/**
			 * Create a file at the specified ``path`` with the passed as ``buffer`` in the instance's file system.
			 *
			 * @param {string} path The location where the file will be created.
			 * @param {ArrayBuffer} buffer The content of the file.
			 */
			copyToFS: function (path, buffer) {
				if (this.rtenv == null) {
					throw new Error('Engine must be inited before copying files');
				}
				this.rtenv['copyToFS'](path, buffer);
			},

			/**
			 * Request that the current instance quit.
			 *
			 * This is akin the user pressing the close button in the window manager, and will
			 * have no effect if the engine has crashed, or is stuck in a loop.
			 *
			 */
			requestQuit: function () {
				if (this.rtenv) {
					this.rtenv['request_quit']();
				}
			},
		};

		Engine.prototype = proto;
		// Closure compiler exported instance methods.
		Engine.prototype['init'] = Engine.prototype.init;
		Engine.prototype['preloadFile'] = Engine.prototype.preloadFile;
		Engine.prototype['start'] = Engine.prototype.start;
		Engine.prototype['startGame'] = Engine.prototype.startGame;
		Engine.prototype['copyToFS'] = Engine.prototype.copyToFS;
		Engine.prototype['requestQuit'] = Engine.prototype.requestQuit;
		// Also expose static methods as instance methods
		Engine.prototype['load'] = Engine.load;
		Engine.prototype['unload'] = Engine.unload;
		Engine.prototype['isWebGLAvailable'] = Engine.isWebGLAvailable;
		return new Engine(initConfig);
	}

	// Closure compiler exported static methods.
	SafeEngine['load'] = Engine.load;
	SafeEngine['unload'] = Engine.unload;
	SafeEngine['isWebGLAvailable'] = Engine.isWebGLAvailable;

	return SafeEngine;
}());
if (typeof window !== 'undefined') {
	window['Engine'] = Engine;
}