canvas.js

var Module=typeof Module!="undefined"?Module:{};var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;function logExceptionOnExit(e){if(e instanceof ExitStatus)return;let toLog=e;err("exiting due to exception: "+toLog)}var fs;var nodePath;var requireNodeFS;if(ENVIRONMENT_IS_NODE){if(ENVIRONMENT_IS_WORKER){scriptDirectory=require("path").dirname(scriptDirectory)+"/"}else{scriptDirectory=__dirname+"/"}requireNodeFS=(()=>{if(!nodePath){fs=require("fs");nodePath=require("path")}});read_=function shell_read(filename,binary){requireNodeFS();filename=nodePath["normalize"](filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=(filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret});readAsync=((filename,onload,onerror)=>{requireNodeFS();filename=nodePath["normalize"](filename);fs.readFile(filename,function(err,data){if(err)onerror(err);else onload(data.buffer)})});if(process["argv"].length>1){thisProgram=process["argv"][1].replace(/\\/g,"/")}arguments_=process["argv"].slice(2);if(typeof module!="undefined"){module["exports"]=Module}process["on"]("uncaughtException",function(ex){if(!(ex instanceof ExitStatus)){throw ex}});process["on"]("unhandledRejection",function(reason){throw reason});quit_=((status,toThrow)=>{if(keepRuntimeAlive()){process["exitCode"]=status;throw toThrow}logExceptionOnExit(toThrow);process["exit"](status)});Module["inspect"]=function(){return"[Emscripten Module object]"}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=(url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText});if(ENVIRONMENT_IS_WORKER){readBinary=(url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)})}readAsync=((url,onload,onerror)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=(()=>{if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()});xhr.onerror=onerror;xhr.send(null)})}setWindowTitle=(title=>document.title=title)}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;err(text)}}var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime=Module["noExitRuntime"]||true;if(typeof WebAssembly!="object"){abort("no native wasm support detected")}var wasmMemory;var ABORT=false;var EXITSTATUS;function assert(condition,text){if(!condition){abort(text)}}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 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 allocateUTF8OnStack(str){var size=lengthBytesUTF8(str)+1;var ret=stackAlloc(size);stringToUTF8Array(str,HEAP8,ret,size);return ret}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 __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;var runtimeKeepaliveCounter=0;function keepRuntimeAlive(){return noExitRuntime||runtimeKeepaliveCounter>0}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){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 addOnInit(cb){__ATINIT__.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="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -s ASSERTIONS=1 for more info.";var e=new WebAssembly.RuntimeError(what);throw e}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return filename.startsWith(dataURIPrefix)}function isFileURI(filename){return filename.startsWith("file://")}var wasmBinaryFile;wasmBinaryFile="canvas.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"&&!isFileURI(wasmBinaryFile)){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)})}else{if(readAsync){return new Promise(function(resolve,reject){readAsync(wasmBinaryFile,function(response){resolve(new Uint8Array(response))},reject)})}}}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"]["i"];updateGlobalBufferAndViews(wasmMemory.buffer);wasmTable=Module["asm"]["p"];addOnInit(Module["asm"]["j"]);removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(function(instance){return instance}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(wasmBinaryFile)&&!isFileURI(wasmBinaryFile)&&typeof fetch=="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiationResult,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(receiveInstantiationResult)})})}else{return instantiateArrayBuffer(receiveInstantiationResult)}}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();return{}}var tempDouble;var tempI64;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){getWasmTableEntry(func)()}else{getWasmTableEntry(func)(callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}function getWasmTableEntry(funcPtr){return wasmTable.get(funcPtr)}function handleException(e){if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)}function getRandomDevice(){if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){var randomBuffer=new Uint8Array(1);return function(){crypto.getRandomValues(randomBuffer);return randomBuffer[0]}}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");return function(){return crypto_module["randomBytes"](1)[0]}}catch(e){}}return function(){abort("randomDevice")}}var PATH={splitPath:function(filename){var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return 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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(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;try{bytesRead=fs.readSync(process.stdin.fd,buf,0,BUFSIZE,-1)}catch(e){if(e.toString().includes("EOF"))bytesRead=0;else throw e}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}else{result=null}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}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 zeroMemory(address,size){HEAPU8.fill(0,address,address+size)}function mmapAlloc(size){abort()}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(!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}}};function asyncLoad(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)}var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path,opts={})=>{path=PATH_FS.resolve(FS.cwd(),path);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(p=>!!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:node=>{var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}},hashName:(parentid,name)=>{var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode:node=>{var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode:node=>{var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode:(parent,name)=>{var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode:(parent,name,mode,rdev)=>{var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode:node=>{FS.hashRemoveNode(node)},isRoot:node=>{return node===node.parent},isMountpoint:node=>{return!!node.mounted},isFile:mode=>{return(mode&61440)===32768},isDir:mode=>{return(mode&61440)===16384},isLink:mode=>{return(mode&61440)===40960},isChrdev:mode=>{return(mode&61440)===8192},isBlkdev:mode=>{return(mode&61440)===24576},isFIFO:mode=>{return(mode&61440)===4096},isSocket:mode=>{return(mode&49152)===49152},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:str=>{var flags=FS.flagModes[str];if(typeof flags=="undefined"){throw new Error("Unknown file open mode: "+str)}return flags},flagsToPermissionString:flag=>{var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions:(node,perms)=>{if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup:dir=>{var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate:(dir,name)=>{try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete:(dir,name,isdir)=>{var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen:(node,flags)=>{if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd:(fd_start=0,fd_end=FS.MAX_OPEN_FDS)=>{for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStream:fd=>FS.streams[fd],createStream:(stream,fd_start,fd_end)=>{if(!FS.FSStream){FS.FSStream=function(){};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}}}}stream=Object.assign(new FS.FSStream,stream);var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream:fd=>{FS.streams[fd]=null},chrdev_stream_ops:{open:stream=>{var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}},llseek:()=>{throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice:(dev,ops)=>{FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts:mount=>{var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts},syncfs:(populate,callback)=>{if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount:(type,opts,mountpoint)=>{var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount:mountpoint=>{var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup:(parent,name)=>{return parent.node_ops.lookup(parent,name)},mknod:(path,mode,dev)=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create:(path,mode)=>{mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir:(path,mode)=>{mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree:(path,mode)=>{var dirs=path.split("/");var d="";for(var i=0;i<dirs.length;++i){if(!dirs[i])continue;d+="/"+dirs[i];try{FS.mkdir(d,mode)}catch(e){if(e.errno!=20)throw e}}},mkdev:(path,mode,dev)=>{if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink:(oldpath,newpath)=>{if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename:(old_path,new_path)=>{var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}},rmdir:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node)},readdir:path=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink:path=>{var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink:path=>{var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat:(path,dontFollow)=>{var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat:path=>{return FS.stat(path,true)},chmod:(path,mode,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod:(path,mode)=>{FS.chmod(path,mode,true)},fchmod:(fd,mode)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chmod(stream.node,mode)},chown:(path,uid,gid,dontFollow)=>{var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown:(path,uid,gid)=>{FS.chown(path,uid,gid,true)},fchown:(fd,uid,gid)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}FS.chown(stream.node,uid,gid)},truncate:(path,len)=>{if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate:(fd,len)=>{var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime:(path,atime,mtime)=>{var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open:(path,flags,mode,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}}return stream},close:stream=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed:stream=>{return stream.fd===null},llseek:(stream,offset,whence)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read:(stream,buffer,offset,length,position)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write:(stream,buffer,offset,length,position,canOwn)=>{if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate:(stream,offset,length)=>{if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap:(stream,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:(stream,buffer,offset,length,mmapFlags)=>{if(!stream||!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},munmap:stream=>0,ioctl:(stream,cmd,arg)=>{if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile:(path,opts={})=>{opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile:(path,data,opts={})=>{opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data=="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:()=>FS.currentPath,chdir:path=>{var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories:()=>{FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices:()=>{FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var 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:()=>{FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount:()=>{var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup:(parent,name)=>{var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(8);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams:()=>{if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},ensureErrnoError:()=>{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(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack="<generic error, no stack>"})},staticInit:()=>{FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS}},init:(input,output,error)=>{FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit:()=>{FS.init.initialized=false;for(var i=0;i<FS.streams.length;i++){var stream=FS.streams[i];if(!stream){continue}FS.close(stream)}},getMode:(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode},findObject:(path,dontResolveLastLink)=>{var ret=FS.analyzePath(path,dontResolveLastLink);if(ret.exists){return ret.object}else{return null}},analyzePath:(path,dontResolveLastLink)=>{try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret},createPath:(parent,path,canRead,canWrite)=>{parent=typeof parent=="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){}parent=current}return current},createFile:(parent,name,properties,canRead,canWrite)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile:(parent,name,data,canRead,canWrite,canOwn)=>{var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS.getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data=="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i<len;++i)arr[i]=data.charCodeAt(i);data=arr}FS.chmod(node,mode|146);var stream=FS.open(node,577);FS.write(stream,data,0,data.length,0,canOwn);FS.close(stream);FS.chmod(node,mode)}return node},createDevice:(parent,name,input,output)=>{var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open:stream=>{stream.seekable=false},close:stream=>{if(output&&output.buffer&&output.buffer.length){output(10)}},read:(stream,buffer,offset,length,pos)=>{var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=input()}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write:(stream,buffer,offset,length,pos)=>{for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(29)}}if(length){stream.node.timestamp=Date.now()}return i}});return FS.mkdev(path,mode,dev)},forceLoadFile:obj=>{if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(read_){try{obj.contents=intArrayFromString(read_(obj.url),true);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}},createLazyFile:(parent,name,url,canRead,canWrite)=>{function LazyUint8Array(){this.lengthKnown=false;this.chunks=[]}LazyUint8Array.prototype.get=function LazyUint8Array_get(idx){if(idx>this.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]};LazyUint8Array.prototype.setDataGetter=function LazyUint8Array_setDataGetter(getter){this.getter=getter};LazyUint8Array.prototype.cacheLength=function LazyUint8Array_cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}else{return intArrayFromString(xhr.responseText||"",true)}};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._length}},chunkSize:{get:function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){FS.forceLoadFile(node);return fn.apply(null,arguments)}});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:(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}if(Browser.handledByPreloadPlugin(byteArray,fullname,finish,()=>{if(onerror)onerror();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,byteArray=>processData(byteArray),onerror)}else{processData(url)}},indexedDB:()=>{return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB},DB_NAME:()=>{return"EM_FS_"+window.location.pathname},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=(()=>{out("creating db");var db=openRequest.result;db.createObjectStore(FS.DB_STORE_NAME)});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(path=>{var putRequest=files.put(FS.analyzePath(path).object.contents,path);putRequest.onsuccess=(()=>{ok++;if(ok+fail==total)finish()});putRequest.onerror=(()=>{fail++;if(ok+fail==total)finish()})});transaction.onerror=onerror});openRequest.onerror=onerror},loadFilesFromDB:(paths,onload,onerror)=>{onload=onload||(()=>{});onerror=onerror||(()=>{});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=(()=>{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(path=>{var getRequest=files.get(path);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=(()=>{fail++;if(ok+fail==total)finish()})});transaction.onerror=onerror});openRequest.onerror=onerror}};function _emscripten_set_main_loop_timing(mode,value){Browser.mainLoop.timingMode=mode;Browser.mainLoop.timingValue=value;if(!Browser.mainLoop.func){return 1}if(!Browser.mainLoop.running){Browser.mainLoop.running=true}if(mode==0){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_setTimeout(){var timeUntilNextTick=Math.max(0,Browser.mainLoop.tickStartTime+value-_emscripten_get_now())|0;setTimeout(Browser.mainLoop.runner,timeUntilNextTick)};Browser.mainLoop.method="timeout"}else if(mode==1){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_rAF(){Browser.requestAnimationFrame(Browser.mainLoop.runner)};Browser.mainLoop.method="rAF"}else if(mode==2){if(typeof setImmediate=="undefined"){var setImmediates=[];var emscriptenMainLoopMessageId="setimmediate";var Browser_setImmediate_messageHandler=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}var _emscripten_get_now;if(ENVIRONMENT_IS_NODE){_emscripten_get_now=(()=>{var t=process["hrtime"]();return t[0]*1e3+t[1]/1e6})}else _emscripten_get_now=(()=>performance.now());function _exit(status){exit(status)}function maybeExit(){if(!keepRuntimeAlive()){try{_exit(EXITSTATUS)}catch(e){handleException(e)}}}function setMainLoop(browserIterationFunc,fps,simulateInfiniteLoop,arg,noSetTiming){assert(!Browser.mainLoop.func,"emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");Browser.mainLoop.func=browserIterationFunc;Browser.mainLoop.arg=arg;var thisMainLoopId=Browser.mainLoop.currentlyRunningMainloop;function checkIsRunning(){if(thisMainLoopId<Browser.mainLoop.currentlyRunningMainloop){maybeExit();return false}return true}Browser.mainLoop.running=false;Browser.mainLoop.runner=function Browser_mainLoop_runner(){if(ABORT)return;if(Browser.mainLoop.queue.length>0){var start=Date.now();var blocker=Browser.mainLoop.queue.shift();blocker.func(blocker.arg);if(Browser.mainLoop.remainingBlockers){var remaining=Browser.mainLoop.remainingBlockers;var next=remaining%1==0?remaining-1:Math.floor(remaining);if(blocker.counted){Browser.mainLoop.remainingBlockers=next}else{next=next+.5;Browser.mainLoop.remainingBlockers=(8*remaining+next)/9}}out('main loop blocker "'+blocker.name+'" took '+(Date.now()-start)+" ms");Browser.mainLoop.updateStatus();if(!checkIsRunning())return;setTimeout(Browser.mainLoop.runner,0);return}if(!checkIsRunning())return;Browser.mainLoop.currentFrameNumber=Browser.mainLoop.currentFrameNumber+1|0;if(Browser.mainLoop.timingMode==1&&Browser.mainLoop.timingValue>1&&Browser.mainLoop.currentFrameNumber%Browser.mainLoop.timingValue!=0){Browser.mainLoop.scheduler();return}else if(Browser.mainLoop.timingMode==0){Browser.mainLoop.tickStartTime=_emscripten_get_now()}Browser.mainLoop.runIter(browserIterationFunc);if(!checkIsRunning())return;if(typeof SDL=="object"&&SDL.audio&&SDL.audio.queueNewAudioData)SDL.audio.queueNewAudioData();Browser.mainLoop.scheduler()};if(!noSetTiming){if(fps&&fps>0)_emscripten_set_main_loop_timing(0,1e3/fps);else _emscripten_set_main_loop_timing(1,1);Browser.mainLoop.scheduler()}if(simulateInfiniteLoop){throw"unwind"}}function callUserCallback(func,synchronous){if(runtimeExited||ABORT){return}if(synchronous){func();return}try{func()}catch(e){handleException(e)}}function safeSetTimeout(func,timeout){return setTimeout(function(){callUserCallback(func)},timeout)}var Browser={mainLoop:{running:false,scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function(){Browser.mainLoop.scheduler=null;Browser.mainLoop.currentlyRunningMainloop++},resume:function(){Browser.mainLoop.currentlyRunningMainloop++;var timingMode=Browser.mainLoop.timingMode;var timingValue=Browser.mainLoop.timingValue;var func=Browser.mainLoop.func;Browser.mainLoop.func=null;setMainLoop(func,0,false,Browser.mainLoop.arg,true);_emscripten_set_main_loop_timing(timingMode,timingValue);Browser.mainLoop.scheduler()},updateStatus:function(){if(Module["setStatus"]){var message=Module["statusMessage"]||"Please wait...";var remaining=Browser.mainLoop.remainingBlockers;var expected=Browser.mainLoop.expectedBlockers;if(remaining){if(remaining<expected){Module["setStatus"](message+" ("+(expected-remaining)+"/"+expected+")")}else{Module["setStatus"](message)}}else{Module["setStatus"]("")}}},runIter:function(func){if(ABORT)return;if(Module["preMainLoop"]){var preRet=Module["preMainLoop"]();if(preRet===false){return}}callUserCallback(func);if(Module["postMainLoop"])Module["postMainLoop"]()}},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function(){if(!Module["preloadPlugins"])Module["preloadPlugins"]=[];if(Browser.initted)return;Browser.initted=true;try{new Blob;Browser.hasBlobConstructor=true}catch(e){Browser.hasBlobConstructor=false;out("warning: no blob constructor, cannot create blobs with mimetypes")}Browser.BlobBuilder=typeof MozBlobBuilder!="undefined"?MozBlobBuilder:typeof WebKitBlobBuilder!="undefined"?WebKitBlobBuilder:!Browser.hasBlobConstructor?out("warning: no BlobBuilder"):null;Browser.URLObject=typeof window!="undefined"?window.URL?window.URL:window.webkitURL:undefined;if(!Module.noImageDecoding&&typeof Browser.URLObject=="undefined"){out("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=(()=>{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=(event=>{out("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;out("warning: browser could not fully decode audio "+name+", trying slower base64 approach");function encode64(data){var BASE="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var PAD="=";var ret="";var leftchar=0;var leftbits=0;for(var i=0;i<data.length;i++){leftchar=leftchar<<8|data[i];leftbits+=8;while(leftbits>=6){var curr=leftchar>>leftbits-6&63;leftbits-=6;ret+=BASE[curr]}}if(leftbits==2){ret+=BASE[(leftchar&3)<<4];ret+=PAD+PAD}else if(leftbits==4){ret+=BASE[(leftchar&15)<<2];ret+=PAD}return ret}audio.src="data:audio/x-"+name.substr(-3)+";base64,"+encode64(byteArray);finish(audio)};audio.src=url;safeSetTimeout(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)}}},handledByPreloadPlugin:function(byteArray,fullname,finish,onerror){Browser.init();var handled=false;Module["preloadPlugins"].forEach(function(plugin){if(handled)return;if(plugin["canHandle"](fullname)){plugin["handle"](byteArray,fullname,finish,onerror);handled=true}});return handled},createContext:function(canvas,useWebGL,setInModule,webGLContextAttributes){if(useWebGL&&Module.ctx&&canvas==Module.canvas)return Module.ctx;var ctx;var contextHandle;if(useWebGL){var contextAttributes={antialias:false,alpha:false,majorVersion:1};if(webGLContextAttributes){for(var attribute in webGLContextAttributes){contextAttributes[attribute]=webGLContextAttributes[attribute]}}if(typeof GL!="undefined"){contextHandle=GL.createContext(canvas,contextAttributes);if(contextHandle){ctx=GL.getContext(contextHandle).GLctx}}}else{ctx=canvas.getContext("2d")}if(!ctx)return null;if(setInModule){if(!useWebGL)assert(typeof GLctx=="undefined","cannot set in module if GLctx is used, but we are a non-GL context that would replace it");Module.ctx=ctx;if(useWebGL)GL.makeContextCurrent(contextHandle);Module.useWebGL=useWebGL;Browser.moduleContextCreatedCallbacks.forEach(function(callback){callback()});Browser.init()}return ctx},destroyContext:function(canvas,useWebGL,setInModule){},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer,resizeCanvas){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)},safeSetTimeout:function(func){return safeSetTimeout(func)},safeRequestAnimationFrame:function(func){return Browser.requestAnimationFrame(function(){callUserCallback(func)})},getMimetype:function(name){return{"jpg":"image/jpeg","jpeg":"image/jpeg","png":"image/png","bmp":"image/bmp","ogg":"audio/ogg","wav":"audio/wav","mp3":"audio/mpeg"}[name.substr(name.lastIndexOf(".")+1)]},getUserMedia:function(func){if(!window.getUserMedia){window.getUserMedia=navigator["getUserMedia"]||navigator["mozGetUserMedia"]}window.getUserMedia(func)},getMovementX:function(event){return event["movementX"]||event["mozMovementX"]||event["webkitMovementX"]||0},getMovementY:function(event){return event["movementY"]||event["mozMovementY"]||event["webkitMovementY"]||0},getMouseWheelDelta:function(event){var delta=0;switch(event.type){case"DOMMouseScroll":delta=event.detail/3;break;case"mousewheel":delta=event.wheelDelta/120;break;case"wheel":delta=event.deltaY;switch(event.deltaMode){case 0:delta/=100;break;case 1:delta/=3;break;case 2:delta*=80;break;default:throw"unrecognized mouse wheel delta mode: "+event.deltaMode}break;default:throw"unrecognized mouse wheel event: "+event.type}return delta},mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function(event){if(Browser.pointerLock){if(event.type!="mousemove"&&"mozMovementX"in event){Browser.mouseMovementX=Browser.mouseMovementY=0}else{Browser.mouseMovementX=Browser.getMovementX(event);Browser.mouseMovementY=Browser.getMovementY(event)}if(typeof SDL!="undefined"){Browser.mouseX=SDL.mouseX+Browser.mouseMovementX;Browser.mouseY=SDL.mouseY+Browser.mouseMovementY}else{Browser.mouseX+=Browser.mouseMovementX;Browser.mouseY+=Browser.mouseMovementY}}else{var rect=Module["canvas"].getBoundingClientRect();var cw=Module["canvas"].width;var ch=Module["canvas"].height;var scrollX=typeof window.scrollX!="undefined"?window.scrollX:window.pageXOffset;var scrollY=typeof window.scrollY!="undefined"?window.scrollY:window.pageYOffset;if(event.type==="touchstart"||event.type==="touchend"||event.type==="touchmove"){var touch=event.touch;if(touch===undefined){return}var adjustedX=touch.pageX-(scrollX+rect.left);var adjustedY=touch.pageY-(scrollY+rect.top);adjustedX=adjustedX*(cw/rect.width);adjustedY=adjustedY*(ch/rect.height);var coords={x:adjustedX,y:adjustedY};if(event.type==="touchstart"){Browser.lastTouches[touch.identifier]=coords;Browser.touches[touch.identifier]=coords}else if(event.type==="touchend"||event.type==="touchmove"){var last=Browser.touches[touch.identifier];if(!last)last=coords;Browser.lastTouches[touch.identifier]=last;Browser.touches[touch.identifier]=coords}return}var x=event.pageX-(scrollX+rect.left);var y=event.pageY-(scrollY+rect.top);x=x*(cw/rect.width);y=y*(ch/rect.height);Browser.mouseMovementX=x-Browser.mouseX;Browser.mouseMovementY=y-Browser.mouseY;Browser.mouseX=x;Browser.mouseY=y}},resizeListeners:[],updateResizeListeners:function(){var canvas=Module["canvas"];Browser.resizeListeners.forEach(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")}}}}};function _SDL_GetTicks(){return Date.now()-SDL.startTime|0}function _SDL_LockSurface(surf){var surfData=SDL.surfaces[surf];surfData.locked++;if(surfData.locked>1)return 0;if(!surfData.buffer){surfData.buffer=_malloc(surfData.width*surfData.height*4);HEAP32[surf+20>>2]=surfData.buffer}HEAP32[surf+20>>2]=surfData.buffer;if(surf==SDL.screen&&Module.screenIsReadOnly&&surfData.image)return 0;if(SDL.defaults.discardOnLock){if(!surfData.image){surfData.image=surfData.ctx.createImageData(surfData.width,surfData.height)}if(!SDL.defaults.opaqueFrontBuffer)return}else{surfData.image=surfData.ctx.getImageData(0,0,surfData.width,surfData.height)}if(surf==SDL.screen&&SDL.defaults.opaqueFrontBuffer){var data=surfData.image.data;var num=data.length;for(var i=0;i<num/4;i++){data[i*4+3]=255}}if(SDL.defaults.copyOnLock&&!SDL.defaults.discardOnLock){if(surfData.isFlagSet(2097152)){throw"CopyOnLock is not supported for SDL_LockSurface with SDL_HWPALETTE flag set"+(new Error).stack}else{HEAPU8.set(surfData.image.data,surfData.buffer)}}return 0}function SDL_unicode(){return SDL.unicode}function SDL_ttfContext(){return SDL.ttfContext}function SDL_audio(){return SDL.audio}var SDL={defaults:{width:320,height:200,copyOnLock:true,discardOnLock:false,opaqueFrontBuffer:true},version:null,surfaces:{},canvasPool:[],events:[],fonts:[null],audios:[null],rwops:[null],music:{audio:null,volume:1},mixerFrequency:22050,mixerFormat:32784,mixerNumChannels:2,mixerChunkSize:1024,channelMinimumNumber:0,GL:false,glAttributes:{0:3,1:3,2:2,3:0,4:0,5:1,6:16,7:0,8:0,9:0,10:0,11:0,12:0,13:0,14:0,15:1,16:0,17:0,18:0},keyboardState:null,keyboardMap:{},canRequestFullscreen:false,isRequestingFullscreen:false,textInput:false,startTime:null,initFlags:0,buttonState:0,modState:0,DOMButtons:[0,0,0],DOMEventToSDLEvent:{},TOUCH_DEFAULT_ID:0,eventHandler:null,eventHandlerContext:null,eventHandlerTemp:0,keyCodes:{16:1249,17:1248,18:1250,20:1081,33:1099,34:1102,35:1101,36:1098,37:1104,38:1106,39:1103,40:1105,44:316,45:1097,46:127,91:1251,93:1125,96:1122,97:1113,98:1114,99:1115,100:1116,101:1117,102:1118,103:1119,104:1120,105:1121,106:1109,107:1111,109:1110,110:1123,111:1108,112:1082,113:1083,114:1084,115:1085,116:1086,117:1087,118:1088,119:1089,120:1090,121:1091,122:1092,123:1093,124:1128,125:1129,126:1130,127:1131,128:1132,129:1133,130:1134,131:1135,132:1136,133:1137,134:1138,135:1139,144:1107,160:94,161:33,162:34,163:35,164:36,165:37,166:38,167:95,168:40,169:41,170:42,171:43,172:124,173:45,174:123,175:125,176:126,181:127,182:129,183:128,188:44,190:46,191:47,192:96,219:91,220:92,221:93,222:39,224:1251},scanCodes:{8:42,9:43,13:40,27:41,32:44,35:204,39:53,44:54,46:55,47:56,48:39,49:30,50:31,51:32,52:33,53:34,54:35,55:36,56:37,57:38,58:203,59:51,61:46,91:47,92:49,93:48,96:52,97:4,98:5,99:6,100:7,101:8,102:9,103:10,104:11,105:12,106:13,107:14,108:15,109:16,110:17,111:18,112:19,113:20,114:21,115:22,116:23,117:24,118:25,119:26,120:27,121:28,122:29,127:76,305:224,308:226,316:70},loadRect:function(rect){return{x:HEAP32[rect+0>>2],y:HEAP32[rect+4>>2],w:HEAP32[rect+8>>2],h:HEAP32[rect+12>>2]}},updateRect:function(rect,r){HEAP32[rect>>2]=r.x;HEAP32[rect+4>>2]=r.y;HEAP32[rect+8>>2]=r.w;HEAP32[rect+12>>2]=r.h},intersectionOfRects:function(first,second){var leftX=Math.max(first.x,second.x);var leftY=Math.max(first.y,second.y);var rightX=Math.min(first.x+first.w,second.x+second.w);var rightY=Math.min(first.y+first.h,second.y+second.h);return{x:leftX,y:leftY,w:Math.max(leftX,rightX)-leftX,h:Math.max(leftY,rightY)-leftY}},checkPixelFormat:function(fmt){},loadColorToCSSRGB:function(color){var rgba=HEAP32[color>>2];return"rgb("+(rgba&255)+","+(rgba>>8&255)+","+(rgba>>16&255)+")"},loadColorToCSSRGBA:function(color){var rgba=HEAP32[color>>2];return"rgba("+(rgba&255)+","+(rgba>>8&255)+","+(rgba>>16&255)+","+(rgba>>24&255)/255+")"},translateColorToCSSRGBA:function(rgba){return"rgba("+(rgba&255)+","+(rgba>>8&255)+","+(rgba>>16&255)+","+(rgba>>>24)/255+")"},translateRGBAToCSSRGBA:function(r,g,b,a){return"rgba("+(r&255)+","+(g&255)+","+(b&255)+","+(a&255)/255+")"},translateRGBAToColor:function(r,g,b,a){return r|g<<8|b<<16|a<<24},makeSurface:function(width,height,flags,usePageCanvas,source,rmask,gmask,bmask,amask){flags=flags||0;var is_SDL_HWSURFACE=flags&1;var is_SDL_HWPALETTE=flags&2097152;var is_SDL_OPENGL=flags&67108864;var surf=_malloc(60);var pixelFormat=_malloc(44);var bpp=is_SDL_HWPALETTE?1:4;var buffer=0;if(!is_SDL_HWSURFACE&&!is_SDL_OPENGL){buffer=_malloc(width*height*4)}HEAP32[surf>>2]=flags;HEAP32[surf+4>>2]=pixelFormat;HEAP32[surf+8>>2]=width;HEAP32[surf+12>>2]=height;HEAP32[surf+16>>2]=width*bpp;HEAP32[surf+20>>2]=buffer;HEAP32[surf+36>>2]=0;HEAP32[surf+40>>2]=0;HEAP32[surf+44>>2]=Module["canvas"].width;HEAP32[surf+48>>2]=Module["canvas"].height;HEAP32[surf+56>>2]=1;HEAP32[pixelFormat>>2]=-2042224636;HEAP32[pixelFormat+4>>2]=0;HEAP8[pixelFormat+8>>0]=bpp*8;HEAP8[pixelFormat+9>>0]=bpp;HEAP32[pixelFormat+12>>2]=rmask||255;HEAP32[pixelFormat+16>>2]=gmask||65280;HEAP32[pixelFormat+20>>2]=bmask||16711680;HEAP32[pixelFormat+24>>2]=amask||4278190080;SDL.GL=SDL.GL||is_SDL_OPENGL;var canvas;if(!usePageCanvas){if(SDL.canvasPool.length>0){canvas=SDL.canvasPool.pop()}else{canvas=document.createElement("canvas")}canvas.width=width;canvas.height=height}else{canvas=Module["canvas"]}var webGLContextAttributes={antialias:SDL.glAttributes[13]!=0&&SDL.glAttributes[14]>1,depth:SDL.glAttributes[6]>0,stencil:SDL.glAttributes[7]>0,alpha:SDL.glAttributes[3]>0};var ctx=Browser.createContext(canvas,is_SDL_OPENGL,usePageCanvas,webGLContextAttributes);SDL.surfaces[surf]={width:width,height:height,canvas:canvas,ctx:ctx,surf:surf,buffer:buffer,pixelFormat:pixelFormat,alpha:255,flags:flags,locked:0,usePageCanvas:usePageCanvas,source:source,isFlagSet:function(flag){return flags&flag}};return surf},copyIndexedColorData:function(surfData,rX,rY,rW,rH){if(!surfData.colors){return}var fullWidth=Module["canvas"].width;var fullHeight=Module["canvas"].height;var startX=rX||0;var startY=rY||0;var endX=(rW||fullWidth-startX)+startX;var endY=(rH||fullHeight-startY)+startY;var buffer=surfData.buffer;if(!surfData.image.data32){surfData.image.data32=new Uint32Array(surfData.image.data.buffer)}var data32=surfData.image.data32;var colors32=surfData.colors32;for(var y=startY;y<endY;++y){var base=y*fullWidth;for(var x=startX;x<endX;++x){data32[base+x]=colors32[HEAPU8[buffer+base+x>>0]]}}},freeSurface:function(surf){var refcountPointer=surf+56;var refcount=HEAP32[refcountPointer>>2];if(refcount>1){HEAP32[refcountPointer>>2]=refcount-1;return}var info=SDL.surfaces[surf];if(!info.usePageCanvas&&info.canvas)SDL.canvasPool.push(info.canvas);if(info.buffer)_free(info.buffer);_free(info.pixelFormat);_free(surf);SDL.surfaces[surf]=null;if(surf===SDL.screen){SDL.screen=null}},blitSurface:function(src,srcrect,dst,dstrect,scale){var srcData=SDL.surfaces[src];var dstData=SDL.surfaces[dst];var sr,dr;if(srcrect){sr=SDL.loadRect(srcrect)}else{sr={x:0,y:0,w:srcData.width,h:srcData.height}}if(dstrect){dr=SDL.loadRect(dstrect)}else{dr={x:0,y:0,w:srcData.width,h:srcData.height}}if(dstData.clipRect){var widthScale=!scale||sr.w===0?1:sr.w/dr.w;var heightScale=!scale||sr.h===0?1:sr.h/dr.h;dr=SDL.intersectionOfRects(dstData.clipRect,dr);sr.w=dr.w*widthScale;sr.h=dr.h*heightScale;if(dstrect){SDL.updateRect(dstrect,dr)}}var blitw,blith;if(scale){blitw=dr.w;blith=dr.h}else{blitw=sr.w;blith=sr.h}if(sr.w===0||sr.h===0||blitw===0||blith===0){return 0}var oldAlpha=dstData.ctx.globalAlpha;dstData.ctx.globalAlpha=srcData.alpha/255;dstData.ctx.drawImage(srcData.canvas,sr.x,sr.y,sr.w,sr.h,dr.x,dr.y,blitw,blith);dstData.ctx.globalAlpha=oldAlpha;if(dst!=SDL.screen){warnOnce("WARNING: copying canvas data to memory for compatibility");_SDL_LockSurface(dst);dstData.locked--}return 0},downFingers:{},savedKeydown:null,receiveEvent:function(event){function unpressAllPressedKeys(){for(var code in SDL.keyboardMap){SDL.events.push({type:"keyup",keyCode:SDL.keyboardMap[code]})}}switch(event.type){case"touchstart":case"touchmove":{event.preventDefault();var touches=[];if(event.type==="touchstart"){for(var i=0;i<event.touches.length;i++){var touch=event.touches[i];if(SDL.downFingers[touch.identifier]!=true){SDL.downFingers[touch.identifier]=true;touches.push(touch)}}}else{touches=event.touches}var firstTouch=touches[0];if(firstTouch){if(event.type=="touchstart"){SDL.DOMButtons[0]=1}var mouseEventType;switch(event.type){case"touchstart":mouseEventType="mousedown";break;case"touchmove":mouseEventType="mousemove";break}var mouseEvent={type:mouseEventType,button:0,pageX:firstTouch.clientX,pageY:firstTouch.clientY};SDL.events.push(mouseEvent)}for(var i=0;i<touches.length;i++){var touch=touches[i];SDL.events.push({type:event.type,touch:touch})}break}case"touchend":{event.preventDefault();for(var i=0;i<event.changedTouches.length;i++){var touch=event.changedTouches[i];if(SDL.downFingers[touch.identifier]===true){delete SDL.downFingers[touch.identifier]}}var mouseEvent={type:"mouseup",button:0,pageX:event.changedTouches[0].clientX,pageY:event.changedTouches[0].clientY};SDL.DOMButtons[0]=0;SDL.events.push(mouseEvent);for(var i=0;i<event.changedTouches.length;i++){var touch=event.changedTouches[i];SDL.events.push({type:"touchend",touch:touch})}break}case"DOMMouseScroll":case"mousewheel":case"wheel":var delta=-Browser.getMouseWheelDelta(event);delta=delta==0?0:delta>0?Math.max(delta,1):Math.min(delta,-1);var button=delta>0?3:4;SDL.events.push({type:"mousedown",button:button,pageX:event.pageX,pageY:event.pageY});SDL.events.push({type:"mouseup",button:button,pageX:event.pageX,pageY:event.pageY});SDL.events.push({type:"wheel",deltaX:0,deltaY:delta});event.preventDefault();break;case"mousemove":if(SDL.DOMButtons[0]===1){SDL.events.push({type:"touchmove",touch:{identifier:0,deviceID:-1,pageX:event.pageX,pageY:event.pageY}})}if(Browser.pointerLock){if("mozMovementX"in event){event["movementX"]=event["mozMovementX"];event["movementY"]=event["mozMovementY"]}if(event["movementX"]==0&&event["movementY"]==0){event.preventDefault();return}}case"keydown":case"keyup":case"keypress":case"mousedown":case"mouseup":if(event.type!=="keydown"||!SDL_unicode()&&!SDL.textInput||(event.keyCode===8||event.keyCode===9)){event.preventDefault()}if(event.type=="mousedown"){SDL.DOMButtons[event.button]=1;SDL.events.push({type:"touchstart",touch:{identifier:0,deviceID:-1,pageX:event.pageX,pageY:event.pageY}})}else if(event.type=="mouseup"){if(!SDL.DOMButtons[event.button]){return}SDL.events.push({type:"touchend",touch:{identifier:0,deviceID:-1,pageX:event.pageX,pageY:event.pageY}});SDL.DOMButtons[event.button]=0}if(event.type==="keydown"||event.type==="mousedown"){SDL.canRequestFullscreen=true}else if(event.type==="keyup"||event.type==="mouseup"){if(SDL.isRequestingFullscreen){Module["requestFullscreen"](true,true);SDL.isRequestingFullscreen=false}SDL.canRequestFullscreen=false}if(event.type==="keypress"&&SDL.savedKeydown){SDL.savedKeydown.keypressCharCode=event.charCode;SDL.savedKeydown=null}else if(event.type==="keydown"){SDL.savedKeydown=event}if(event.type!=="keypress"||SDL.textInput){SDL.events.push(event)}break;case"mouseout":for(var i=0;i<3;i++){if(SDL.DOMButtons[i]){SDL.events.push({type:"mouseup",button:i,pageX:event.pageX,pageY:event.pageY});SDL.DOMButtons[i]=0}}event.preventDefault();break;case"focus":SDL.events.push(event);event.preventDefault();break;case"blur":SDL.events.push(event);unpressAllPressedKeys();event.preventDefault();break;case"visibilitychange":SDL.events.push({type:"visibilitychange",visible:!document.hidden});unpressAllPressedKeys();event.preventDefault();break;case"unload":if(Browser.mainLoop.runner){SDL.events.push(event);Browser.mainLoop.runner()}return;case"resize":SDL.events.push(event);if(event.preventDefault){event.preventDefault()}break}if(SDL.events.length>=1e4){err("SDL event queue full, dropping events");SDL.events=SDL.events.slice(0,1e4)}SDL.flushEventsToHandler();return},lookupKeyCodeForEvent:function(event){var code=event.keyCode;if(code>=65&&code<=90){code+=32}else{code=SDL.keyCodes[event.keyCode]||event.keyCode;if(event.location===2&&code>=(224|1<<10)&&code<=(227|1<<10)){code+=4}}return code},handleEvent:function(event){if(event.handled)return;event.handled=true;switch(event.type){case"touchstart":case"touchend":case"touchmove":{Browser.calculateMouseEvent(event);break}case"keydown":case"keyup":{var down=event.type==="keydown";var code=SDL.lookupKeyCodeForEvent(event);HEAP8[SDL.keyboardState+code>>0]=down;SDL.modState=(HEAP8[SDL.keyboardState+1248>>0]?64:0)|(HEAP8[SDL.keyboardState+1249>>0]?1:0)|(HEAP8[SDL.keyboardState+1250>>0]?256:0)|(HEAP8[SDL.keyboardState+1252>>0]?128:0)|(HEAP8[SDL.keyboardState+1253>>0]?2:0)|(HEAP8[SDL.keyboardState+1254>>0]?512:0);if(down){SDL.keyboardMap[code]=event.keyCode}else{delete SDL.keyboardMap[code]}break}case"mousedown":case"mouseup":if(event.type=="mousedown"){SDL.buttonState|=1<<event.button}else if(event.type=="mouseup"){SDL.buttonState&=~(1<<event.button)}case"mousemove":{Browser.calculateMouseEvent(event);break}}},flushEventsToHandler:function(){if(!SDL.eventHandler)return;while(SDL.pollEvent(SDL.eventHandlerTemp)){getWasmTableEntry(SDL.eventHandler)(SDL.eventHandlerContext,SDL.eventHandlerTemp)}},pollEvent:function(ptr){if(SDL.initFlags&512&&SDL.joystickEventState){SDL.queryJoysticks()}if(ptr){while(SDL.events.length>0){if(SDL.makeCEvent(SDL.events.shift(),ptr)!==false)return 1}return 0}else{return SDL.events.length>0}},makeCEvent:function(event,ptr){if(typeof event=="number"){_memcpy(ptr,event,28);_free(event);return}SDL.handleEvent(event);switch(event.type){case"keydown":case"keyup":{var down=event.type==="keydown";var key=SDL.lookupKeyCodeForEvent(event);var scan;if(key>=1024){scan=key-1024}else{scan=SDL.scanCodes[key]||key}HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP8[ptr+8>>0]=down?1:0;HEAP8[ptr+9>>0]=0;HEAP32[ptr+12>>2]=scan;HEAP32[ptr+16>>2]=key;HEAP16[ptr+20>>1]=SDL.modState;HEAP32[ptr+24>>2]=event.keypressCharCode||key;break}case"keypress":{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];var cStr=intArrayFromString(String.fromCharCode(event.charCode));for(var i=0;i<cStr.length;++i){HEAP8[ptr+(8+i)>>0]=cStr[i]}break}case"mousedown":case"mouseup":case"mousemove":{if(event.type!="mousemove"){var down=event.type==="mousedown";HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=0;HEAP32[ptr+8>>2]=0;HEAP32[ptr+12>>2]=0;HEAP8[ptr+16>>0]=event.button+1;HEAP8[ptr+17>>0]=down?1:0;HEAP32[ptr+20>>2]=Browser.mouseX;HEAP32[ptr+24>>2]=Browser.mouseY}else{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=0;HEAP32[ptr+8>>2]=0;HEAP32[ptr+12>>2]=0;HEAP32[ptr+16>>2]=SDL.buttonState;HEAP32[ptr+20>>2]=Browser.mouseX;HEAP32[ptr+24>>2]=Browser.mouseY;HEAP32[ptr+28>>2]=Browser.mouseMovementX;HEAP32[ptr+32>>2]=Browser.mouseMovementY}break}case"wheel":{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+16>>2]=event.deltaX;HEAP32[ptr+20>>2]=event.deltaY;break}case"touchstart":case"touchend":case"touchmove":{var touch=event.touch;if(!Browser.touches[touch.identifier])break;var w=Module["canvas"].width;var h=Module["canvas"].height;var x=Browser.touches[touch.identifier].x/w;var y=Browser.touches[touch.identifier].y/h;var lx=Browser.lastTouches[touch.identifier].x/w;var ly=Browser.lastTouches[touch.identifier].y/h;var dx=x-lx;var dy=y-ly;if(touch["deviceID"]===undefined)touch.deviceID=SDL.TOUCH_DEFAULT_ID;if(dx===0&&dy===0&&event.type==="touchmove")return false;HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=_SDL_GetTicks();tempI64=[touch.deviceID>>>0,(tempDouble=touch.deviceID,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr+8>>2]=tempI64[0],HEAP32[ptr+12>>2]=tempI64[1];tempI64=[touch.identifier>>>0,(tempDouble=touch.identifier,+Math.abs(tempDouble)>=1?tempDouble>0?(Math.min(+Math.floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr+16>>2]=tempI64[0],HEAP32[ptr+20>>2]=tempI64[1];HEAPF32[ptr+24>>2]=x;HEAPF32[ptr+28>>2]=y;HEAPF32[ptr+32>>2]=dx;HEAPF32[ptr+36>>2]=dy;if(touch.force!==undefined){HEAPF32[ptr+40>>2]=touch.force}else{HEAPF32[ptr+40>>2]=event.type=="touchend"?0:1}break}case"unload":{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];break}case"resize":{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=event.w;HEAP32[ptr+8>>2]=event.h;break}case"joystick_button_up":case"joystick_button_down":{var state=event.type==="joystick_button_up"?0:1;HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP8[ptr+4>>0]=event.index;HEAP8[ptr+5>>0]=event.button;HEAP8[ptr+6>>0]=state;break}case"joystick_axis_motion":{HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP8[ptr+4>>0]=event.index;HEAP8[ptr+5>>0]=event.axis;HEAP32[ptr+8>>2]=SDL.joystickAxisValueConversion(event.value);break}case"focus":{var SDL_WINDOWEVENT_FOCUS_GAINED=12;HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=0;HEAP8[ptr+8>>0]=SDL_WINDOWEVENT_FOCUS_GAINED;break}case"blur":{var SDL_WINDOWEVENT_FOCUS_LOST=13;HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=0;HEAP8[ptr+8>>0]=SDL_WINDOWEVENT_FOCUS_LOST;break}case"visibilitychange":{var SDL_WINDOWEVENT_SHOWN=1;var SDL_WINDOWEVENT_HIDDEN=2;var visibilityEventID=event.visible?SDL_WINDOWEVENT_SHOWN:SDL_WINDOWEVENT_HIDDEN;HEAP32[ptr>>2]=SDL.DOMEventToSDLEvent[event.type];HEAP32[ptr+4>>2]=0;HEAP8[ptr+8>>0]=visibilityEventID;break}default:throw"Unhandled SDL event: "+event.type}},makeFontString:function(height,fontName){if(fontName.charAt(0)!="'"&&fontName.charAt(0)!='"'){fontName='"'+fontName+'"'}return height+"px "+fontName+", serif"},estimateTextWidth:function(fontData,text){var h=fontData.size;var fontString=SDL.makeFontString(h,fontData.name);var tempCtx=SDL_ttfContext();tempCtx.font=fontString;var ret=tempCtx.measureText(text).width|0;return ret},allocateChannels:function(num){if(SDL.numChannels&&SDL.numChannels>=num&&num!=0)return;SDL.numChannels=num;SDL.channels=[];for(var i=0;i<num;i++){SDL.channels[i]={audio:null,volume:1}}},setGetVolume:function(info,volume){if(!info)return 0;var ret=info.volume*128;if(volume!=-1){info.volume=Math.min(Math.max(volume,0),128)/128;if(info.audio){try{info.audio.volume=info.volume;if(info.audio.webAudioGainNode)info.audio.webAudioGainNode["gain"]["value"]=info.volume}catch(e){err("setGetVolume failed to set audio volume: "+e)}}}return ret},setPannerPosition:function(info,x,y,z){if(!info)return;if(info.audio){if(info.audio.webAudioPannerNode){info.audio.webAudioPannerNode["setPosition"](x,y,z)}}},playWebAudio:function(audio){if(!audio)return;if(audio.webAudioNode)return;if(!SDL.webAudioAvailable())return;try{var webAudio=audio.resource.webAudio;audio.paused=false;if(!webAudio.decodedBuffer){if(webAudio.onDecodeComplete===undefined)abort("Cannot play back audio object that was not loaded");webAudio.onDecodeComplete.push(function(){if(!audio.paused)SDL.playWebAudio(audio)});return}audio.webAudioNode=SDL.audioContext["createBufferSource"]();audio.webAudioNode["buffer"]=webAudio.decodedBuffer;audio.webAudioNode["loop"]=audio.loop;audio.webAudioNode["onended"]=function(){audio["onended"]()};audio.webAudioPannerNode=SDL.audioContext["createPanner"]();audio.webAudioPannerNode["setPosition"](0,0,-.5);audio.webAudioPannerNode["panningModel"]="equalpower";audio.webAudioGainNode=SDL.audioContext["createGain"]();audio.webAudioGainNode["gain"]["value"]=audio.volume;audio.webAudioNode["connect"](audio.webAudioPannerNode);audio.webAudioPannerNode["connect"](audio.webAudioGainNode);audio.webAudioGainNode["connect"](SDL.audioContext["destination"]);audio.webAudioNode["start"](0,audio.currentPosition);audio.startTime=SDL.audioContext["currentTime"]-audio.currentPosition}catch(e){err("playWebAudio failed: "+e)}},pauseWebAudio:function(audio){if(!audio)return;if(audio.webAudioNode){try{audio.currentPosition=(SDL.audioContext["currentTime"]-audio.startTime)%audio.resource.webAudio.decodedBuffer.duration;audio.webAudioNode["onended"]=undefined;audio.webAudioNode.stop(0);audio.webAudioNode=undefined}catch(e){err("pauseWebAudio failed: "+e)}}audio.paused=true},openAudioContext:function(){if(!SDL.audioContext){if(typeof AudioContext!="undefined")SDL.audioContext=new AudioContext;else if(typeof webkitAudioContext!="undefined")SDL.audioContext=new webkitAudioContext}},webAudioAvailable:function(){return!!SDL.audioContext},fillWebAudioBufferFromHeap:function(heapPtr,sizeSamplesPerChannel,dstAudioBuffer){var audio=SDL_audio();var numChannels=audio.channels;for(var c=0;c<numChannels;++c){var channelData=dstAudioBuffer["getChannelData"](c);if(channelData.length!=sizeSamplesPerChannel){throw"Web Audio output buffer length mismatch! Destination size: "+channelData.length+" samples vs expected "+sizeSamplesPerChannel+" samples!"}if(audio.format==32784){for(var j=0;j<sizeSamplesPerChannel;++j){channelData[j]=HEAP16[heapPtr+(j*numChannels+c)*2>>1]/32768}}else if(audio.format==8){for(var j=0;j<sizeSamplesPerChannel;++j){var v=HEAP8[heapPtr+(j*numChannels+c)>>0];channelData[j]=(v>=0?v-128:v+128)/128}}else if(audio.format==33056){for(var j=0;j<sizeSamplesPerChannel;++j){channelData[j]=HEAPF32[heapPtr+(j*numChannels+c)*4>>2]}}else{throw"Invalid SDL audio format "+audio.format+"!"}}},debugSurface:function(surfData){out("dumping surface "+[surfData.surf,surfData.source,surfData.width,surfData.height]);var image=surfData.ctx.getImageData(0,0,surfData.width,surfData.height);var data=image.data;var num=Math.min(surfData.width,surfData.height);for(var i=0;i<num;i++){out("   diagonal "+i+":"+[data[i*surfData.width*4+i*4+0],data[i*surfData.width*4+i*4+1],data[i*surfData.width*4+i*4+2],data[i*surfData.width*4+i*4+3]])}},joystickEventState:1,lastJoystickState:{},joystickNamePool:{},recordJoystickState:function(joystick,state){var buttons=new Array(state.buttons.length);for(var i=0;i<state.buttons.length;i++){buttons[i]=SDL.getJoystickButtonState(state.buttons[i])}SDL.lastJoystickState[joystick]={buttons:buttons,axes:state.axes.slice(0),timestamp:state.timestamp,index:state.index,id:state.id}},getJoystickButtonState:function(button){if(typeof button=="object"){return button["pressed"]}else{return button>0}},queryJoysticks:function(){for(var joystick in SDL.lastJoystickState){var state=SDL.getGamepad(joystick-1);var prevState=SDL.lastJoystickState[joystick];if(typeof state=="undefined")return;if(state===null)return;if(typeof state.timestamp!="number"||state.timestamp!=prevState.timestamp||!state.timestamp){var i;for(i=0;i<state.buttons.length;i++){var buttonState=SDL.getJoystickButtonState(state.buttons[i]);if(buttonState!==prevState.buttons[i]){SDL.events.push({type:buttonState?"joystick_button_down":"joystick_button_up",joystick:joystick,index:joystick-1,button:i})}}for(i=0;i<state.axes.length;i++){if(state.axes[i]!==prevState.axes[i]){SDL.events.push({type:"joystick_axis_motion",joystick:joystick,index:joystick-1,axis:i,value:state.axes[i]})}}SDL.recordJoystickState(joystick,state)}}},joystickAxisValueConversion:function(value){value=Math.min(1,Math.max(value,-1));return Math.ceil((value+1)*32767.5-32768)},getGamepads:function(){var fcn=navigator.getGamepads||navigator.webkitGamepads||navigator.mozGamepads||navigator.gamepads||navigator.webkitGetGamepads;if(fcn!==undefined){return fcn.apply(navigator)}else{return[]}},getGamepad:function(deviceIndex){var gamepads=SDL.getGamepads();if(gamepads.length>deviceIndex&&deviceIndex>=0){return gamepads[deviceIndex]}return null}};function _SDL_Flip(surf){}function _SDL_Init(initFlags){SDL.startTime=Date.now();SDL.initFlags=initFlags;if(!Module["doNotCaptureKeyboard"]){var keyboardListeningElement=Module["keyboardListeningElement"]||document;keyboardListeningElement.addEventListener("keydown",SDL.receiveEvent);keyboardListeningElement.addEventListener("keyup",SDL.receiveEvent);keyboardListeningElement.addEventListener("keypress",SDL.receiveEvent);window.addEventListener("focus",SDL.receiveEvent);window.addEventListener("blur",SDL.receiveEvent);document.addEventListener("visibilitychange",SDL.receiveEvent)}window.addEventListener("unload",SDL.receiveEvent);SDL.keyboardState=_malloc(65536);zeroMemory(SDL.keyboardState,65536);SDL.DOMEventToSDLEvent["keydown"]=768;SDL.DOMEventToSDLEvent["keyup"]=769;SDL.DOMEventToSDLEvent["keypress"]=771;SDL.DOMEventToSDLEvent["mousedown"]=1025;SDL.DOMEventToSDLEvent["mouseup"]=1026;SDL.DOMEventToSDLEvent["mousemove"]=1024;SDL.DOMEventToSDLEvent["wheel"]=1027;SDL.DOMEventToSDLEvent["touchstart"]=1792;SDL.DOMEventToSDLEvent["touchend"]=1793;SDL.DOMEventToSDLEvent["touchmove"]=1794;SDL.DOMEventToSDLEvent["unload"]=256;SDL.DOMEventToSDLEvent["resize"]=28673;SDL.DOMEventToSDLEvent["visibilitychange"]=512;SDL.DOMEventToSDLEvent["focus"]=512;SDL.DOMEventToSDLEvent["blur"]=512;SDL.DOMEventToSDLEvent["joystick_axis_motion"]=1536;SDL.DOMEventToSDLEvent["joystick_button_down"]=1539;SDL.DOMEventToSDLEvent["joystick_button_up"]=1540;return 0}function _SDL_MapRGBA(fmt,r,g,b,a){SDL.checkPixelFormat(fmt);return r&255|(g&255)<<8|(b&255)<<16|(a&255)<<24}function _SDL_AudioQuit(){for(var i=0;i<SDL.numChannels;++i){var chan=SDL.channels[i];if(chan.audio){chan.audio.pause();chan.audio=undefined}}var audio=SDL.music.audio;if(audio)audio.pause();SDL.music.audio=undefined}function _SDL_Quit(){_SDL_AudioQuit();out("SDL_Quit called (and ignored)")}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_multi_draw(ctx){return!!(ctx.multiDrawWebgl=ctx.getExtension("WEBGL_multi_draw"))}var GL={counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],stringCache:{},unpackAlignment:4,recordError:function recordError(errorCode){if(!GL.lastError){GL.lastError=errorCode}},getNewId: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(!canvas.getContextSafariWebGL2Fixed){canvas.getContextSafariWebGL2Fixed=canvas.getContext;function fixedGetContext(ver,attrs){var gl=canvas.getContextSafariWebGL2Fixed(ver,attrs);return ver=="webgl"==gl instanceof WebGLRenderingContext?gl:null}canvas.getContext=fixedGetContext}var ctx=canvas.getContext("webgl",webGLContextAttributes);if(!ctx)return 0;var handle=GL.registerContext(ctx,webGLContextAttributes);return handle},registerContext:function(ctx,webGLContextAttributes){var handle=GL.getNewId(GL.contexts);var context={handle:handle,attributes:webGLContextAttributes,version:webGLContextAttributes.majorVersion,GLctx:ctx};if(ctx.canvas)ctx.canvas.GLctxObject=context;GL.contexts[handle]=context;if(typeof webGLContextAttributes.enableExtensionsByDefault=="undefined"||webGLContextAttributes.enableExtensionsByDefault){GL.initExtensions(context)}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);{GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query")}__webgl_enable_WEBGL_multi_draw(GLctx);var exts=GLctx.getSupportedExtensions()||[];exts.forEach(function(ext){if(!ext.includes("lose_context")&&!ext.includes("debug")){GLctx.getExtension(ext)}})}};function _SDL_SetVideoMode(width,height,depth,flags){["touchstart","touchend","touchmove","mousedown","mouseup","mousemove","DOMMouseScroll","mousewheel","wheel","mouseout"].forEach(function(event){Module["canvas"].addEventListener(event,SDL.receiveEvent,true)});var canvas=Module["canvas"];if(width==0&&height==0){width=canvas.width;height=canvas.height}if(!SDL.addedResizeListener){SDL.addedResizeListener=true;Browser.resizeListeners.push(function(w,h){if(!SDL.settingVideoMode){SDL.receiveEvent({type:"resize",w:w,h:h})}})}SDL.settingVideoMode=true;Browser.setCanvasSize(width,height);SDL.settingVideoMode=false;if(SDL.screen){SDL.freeSurface(SDL.screen);assert(!SDL.screen)}if(SDL.GL)flags=flags|67108864;SDL.screen=SDL.makeSurface(width,height,flags,true,"screen");return SDL.screen}function _SDL_UnlockSurface(surf){assert(!SDL.GL);var surfData=SDL.surfaces[surf];if(!surfData.locked||--surfData.locked>0){return}if(surfData.isFlagSet(2097152)){SDL.copyIndexedColorData(surfData)}else if(!surfData.colors){var data=surfData.image.data;var buffer=surfData.buffer;assert(buffer%4==0,"Invalid buffer offset: "+buffer);var src=buffer>>2;var dst=0;var isScreen=surf==SDL.screen;var num;if(typeof CanvasPixelArray!="undefined"&&data instanceof CanvasPixelArray){num=data.length;while(dst<num){var val=HEAP32[src];data[dst]=val&255;data[dst+1]=val>>8&255;data[dst+2]=val>>16&255;data[dst+3]=isScreen?255:val>>24&255;src++;dst+=4}}else{var data32=new Uint32Array(data.buffer);if(isScreen&&SDL.defaults.opaqueFrontBuffer){num=data32.length;data32.set(HEAP32.subarray(src,src+num));var data8=new Uint8Array(data.buffer);var i=3;var j=i+4*num;if(num%8==0){while(i<j){data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0}}else{while(i<j){data8[i]=255;i=i+4|0}}}else{data32.set(HEAP32.subarray(src,src+data32.length))}}}else{var width=Module["canvas"].width;var height=Module["canvas"].height;var s=surfData.buffer;var data=surfData.image.data;var colors=surfData.colors;for(var y=0;y<height;y++){var base=y*width*4;for(var x=0;x<width;x++){var val=HEAPU8[s++>>0]*4;var start=base+x*4;data[start]=colors[val];data[start+1]=colors[val+1];data[start+2]=colors[val+2]}s+=width*3}}surfData.ctx.putImageData(surfData.image,0,0)}function abortOnCannotGrowMemory(requestedSize){abort("OOM")}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;abortOnCannotGrowMemory(requestedSize)}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;function intArrayFromString(stringy,dontAddNull,length){var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array}var asmLibraryArg={"c":_SDL_Flip,"h":_SDL_Init,"f":_SDL_LockSurface,"e":_SDL_MapRGBA,"b":_SDL_Quit,"g":_SDL_SetVideoMode,"d":_SDL_UnlockSurface,"a":_emscripten_resize_heap};var asm=createWasm();var ___wasm_call_ctors=Module["___wasm_call_ctors"]=function(){return(___wasm_call_ctors=Module["___wasm_call_ctors"]=Module["asm"]["j"]).apply(null,arguments)};var _main=Module["_main"]=function(){return(_main=Module["_main"]=Module["asm"]["k"]).apply(null,arguments)};var _memcpy=Module["_memcpy"]=function(){return(_memcpy=Module["_memcpy"]=Module["asm"]["l"]).apply(null,arguments)};var _malloc=Module["_malloc"]=function(){return(_malloc=Module["_malloc"]=Module["asm"]["m"]).apply(null,arguments)};var _free=Module["_free"]=function(){return(_free=Module["_free"]=Module["asm"]["n"]).apply(null,arguments)};var stackAlloc=Module["stackAlloc"]=function(){return(stackAlloc=Module["stackAlloc"]=Module["asm"]["o"]).apply(null,arguments)};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);return ret}catch(e){return handleException(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();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){EXITSTATUS=status;if(keepRuntimeAlive()){}else{exitRuntime()}procExit(status)}function procExit(code){EXITSTATUS=code;if(!keepRuntimeAlive()){if(Module["onExit"])Module["onExit"](code);ABORT=true}quit_(code,new ExitStatus(code))}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=true;if(Module["noInitialRun"])shouldRunNow=false;run();