diff options
Diffstat (limited to 'md')
| -rw-r--r-- | md/demo/sdl/index.js | 4 | ||||
| -rw-r--r-- | md/demo/sdl/index.wasm | bin | 0 -> 563680 bytes | |||
| -rw-r--r-- | md/writeup/web_assembly_sdl_example.md | 144 |
3 files changed, 105 insertions, 43 deletions
diff --git a/md/demo/sdl/index.js b/md/demo/sdl/index.js new file mode 100644 index 0000000..4549f26 --- /dev/null +++ b/md/demo/sdl/index.js @@ -0,0 +1,4 @@ +var Module=typeof Module!=="undefined"?Module:{};var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}Module["arguments"]=[];Module["thisProgram"]="./this.program";Module["quit"]=(function(status,toThrow){throw toThrow});Module["preRun"]=[];Module["postRun"]=[];var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=false;var ENVIRONMENT_IS_NODE=false;var ENVIRONMENT_IS_SHELL=false;if(Module["ENVIRONMENT"]){if(Module["ENVIRONMENT"]==="WEB"){ENVIRONMENT_IS_WEB=true}else if(Module["ENVIRONMENT"]==="WORKER"){ENVIRONMENT_IS_WORKER=true}else if(Module["ENVIRONMENT"]==="NODE"){ENVIRONMENT_IS_NODE=true}else if(Module["ENVIRONMENT"]==="SHELL"){ENVIRONMENT_IS_SHELL=true}else{throw new Error("Module['ENVIRONMENT'] value is not valid. must be one of: WEB|WORKER|NODE|SHELL.")}}else{ENVIRONMENT_IS_WEB=typeof window==="object";ENVIRONMENT_IS_WORKER=typeof importScripts==="function";ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER}if(ENVIRONMENT_IS_NODE){var nodeFS;var nodePath;Module["read"]=function shell_read(filename,binary){var ret;if(!nodeFS)nodeFS=require("fs");if(!nodePath)nodePath=require("path");filename=nodePath["normalize"](filename);ret=nodeFS["readFileSync"](filename);return binary?ret:ret.toString()};Module["readBinary"]=function readBinary(filename){var ret=Module["read"](filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}assert(ret.buffer);return ret};if(process["argv"].length>1){Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/")}Module["arguments"]=process["argv"].slice(2);if(typeof module!=="undefined"){module["exports"]=Module}process["on"]("uncaughtException",(function(ex){if(!(ex instanceof ExitStatus)){throw ex}}));process["on"]("unhandledRejection",(function(reason,p){process["exit"](1)}));Module["inspect"]=(function(){return"[Emscripten Module object]"})}else if(ENVIRONMENT_IS_SHELL){if(typeof read!="undefined"){Module["read"]=function shell_read(f){return read(f)}}Module["readBinary"]=function readBinary(f){var data;if(typeof readbuffer==="function"){return new Uint8Array(readbuffer(f))}data=read(f,"binary");assert(typeof data==="object");return data};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof quit==="function"){Module["quit"]=(function(status,toThrow){quit(status)})}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){Module["read"]=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){Module["readBinary"]=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}Module["readAsync"]=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)};if(typeof arguments!="undefined"){Module["arguments"]=arguments}Module["setWindowTitle"]=(function(title){document.title=title})}Module["print"]=typeof console!=="undefined"?console.log.bind(console):typeof print!=="undefined"?print:null;Module["printErr"]=typeof printErr!=="undefined"?printErr:typeof console!=="undefined"&&console.warn.bind(console)||Module["print"];Module.print=Module["print"];Module.printErr=Module["printErr"];for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=undefined;var STACK_ALIGN=16;function staticAlloc(size){assert(!staticSealed);var ret=STATICTOP;STATICTOP=STATICTOP+size+15&-16;return ret}function dynamicAlloc(size){assert(DYNAMICTOP_PTR);var ret=HEAP32[DYNAMICTOP_PTR>>2];var end=ret+size+15&-16;HEAP32[DYNAMICTOP_PTR>>2]=end;if(end>=TOTAL_MEMORY){var success=enlargeMemory();if(!success){HEAP32[DYNAMICTOP_PTR>>2]=ret;return 0}}return ret}function alignMemory(size,factor){if(!factor)factor=STACK_ALIGN;var ret=size=Math.ceil(size/factor)*factor;return ret}function getNativeTypeSize(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return 4}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0);return bits/8}else{return 0}}}}function warnOnce(text){if(!warnOnce.shown)warnOnce.shown={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;Module.printErr(text)}}var jsCallStartIndex=1;var functionPointers=new Array(0);function addFunction(func,sig){var base=0;for(var i=base;i<base+0;i++){if(!functionPointers[i]){functionPointers[i]=func;return jsCallStartIndex+i}}throw"Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS."}function dynCall(sig,ptr,args){if(args&&args.length){return Module["dynCall_"+sig].apply(null,[ptr].concat(args))}else{return Module["dynCall_"+sig].call(null,ptr)}}var Runtime={dynCall:dynCall};var GLOBAL_BASE=1024;var ABORT=0;var EXITSTATUS=0;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}function getCFunc(ident){var func=Module["_"+ident];assert(func,"Cannot call unknown function "+ident+", make sure it is exported");return func}var JSfuncs={"stackSave":(function(){stackSave()}),"stackRestore":(function(){stackRestore()}),"arrayToC":(function(arr){var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}),"stringToC":(function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){var len=(str.length<<2)+1;ret=stackAlloc(len);stringToUTF8(str,ret,len)}return ret})};var toC={"string":JSfuncs["stringToC"],"array":JSfuncs["arrayToC"]};function ccall(ident,returnType,argTypes,args,opts){var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i<args.length;i++){var converter=toC[argTypes[i]];if(converter){if(stack===0)stack=stackSave();cArgs[i]=converter(args[i])}else{cArgs[i]=args[i]}}}var ret=func.apply(null,cArgs);if(returnType==="string")ret=Pointer_stringify(ret);if(stack!==0){stackRestore(stack)}return ret}function cwrap(ident,returnType,argTypes){argTypes=argTypes||[];var cfunc=getCFunc(ident);var numericArgs=argTypes.every((function(type){return type==="number"}));var numericRet=returnType!=="string";if(numericRet&&numericArgs){return cfunc}return(function(){return ccall(ident,returnType,argTypes,arguments)})}function setValue(ptr,value,type,noSafe){type=type||"i8";if(type.charAt(type.length-1)==="*")type="i32";switch(type){case"i1":HEAP8[ptr>>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=1?tempDouble>0?(Math_min(+Math_floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}var ALLOC_NORMAL=0;var ALLOC_STATIC=2;var ALLOC_NONE=4;function allocate(slab,types,allocator,ptr){var zeroinit,size;if(typeof slab==="number"){zeroinit=true;size=slab}else{zeroinit=false;size=slab.length}var singleType=typeof types==="string"?types:null;var ret;if(allocator==ALLOC_NONE){ret=ptr}else{ret=[typeof _malloc==="function"?_malloc:staticAlloc,stackAlloc,staticAlloc,dynamicAlloc][allocator===undefined?ALLOC_STATIC:allocator](Math.max(size,singleType?1:types.length))}if(zeroinit){var stop;ptr=ret;assert((ret&3)==0);stop=ret+(size&~3);for(;ptr<stop;ptr+=4){HEAP32[ptr>>2]=0}stop=ret+size;while(ptr<stop){HEAP8[ptr++>>0]=0}return ret}if(singleType==="i8"){if(slab.subarray||slab.slice){HEAPU8.set(slab,ret)}else{HEAPU8.set(new Uint8Array(slab),ret)}return ret}var i=0,type,typeSize,previousType;while(i<size){var curr=slab[i];type=singleType||types[i];if(type===0){i++;continue}if(type=="i64")type="i32";setValue(ret+i,curr,type);if(previousType!==type){typeSize=getNativeTypeSize(type);previousType=type}i+=typeSize}return ret}function Pointer_stringify(ptr,length){if(length===0||!ptr)return"";var hasUtf=0;var t;var i=0;while(1){t=HEAPU8[ptr+i>>0];hasUtf|=t;if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(hasUtf<128){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}return UTF8ToString(ptr)}var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx){var endPtr=idx;while(u8Array[endPtr])++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var u0,u1,u2,u3,u4,u5;var str="";while(1){u0=u8Array[idx++];if(!u0)return str;if(!(u0&128)){str+=String.fromCharCode(u0);continue}u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u3=u8Array[idx++]&63;if((u0&248)==240){u0=(u0&7)<<18|u1<<12|u2<<6|u3}else{u4=u8Array[idx++]&63;if((u0&252)==248){u0=(u0&3)<<24|u1<<18|u2<<12|u3<<6|u4}else{u5=u8Array[idx++]&63;u0=(u0&1)<<30|u1<<24|u2<<18|u3<<12|u4<<6|u5}}}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}}function UTF8ToString(ptr){return UTF8ArrayToString(HEAPU8,ptr)}function stringToUTF8Array(str,outU8Array,outIdx,maxBytesToWrite){if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){if(outIdx>=endIdx)break;outU8Array[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;outU8Array[outIdx++]=192|u>>6;outU8Array[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;outU8Array[outIdx++]=224|u>>12;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=2097151){if(outIdx+3>=endIdx)break;outU8Array[outIdx++]=240|u>>18;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else if(u<=67108863){if(outIdx+4>=endIdx)break;outU8Array[outIdx++]=248|u>>24;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}else{if(outIdx+5>=endIdx)break;outU8Array[outIdx++]=252|u>>30;outU8Array[outIdx++]=128|u>>24&63;outU8Array[outIdx++]=128|u>>18&63;outU8Array[outIdx++]=128|u>>12&63;outU8Array[outIdx++]=128|u>>6&63;outU8Array[outIdx++]=128|u&63}}outU8Array[outIdx]=0;return outIdx-startIdx}function stringToUTF8(str,outPtr,maxBytesToWrite){return stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite)}function lengthBytesUTF8(str){var len=0;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=55296&&u<=57343)u=65536+((u&1023)<<10)|str.charCodeAt(++i)&1023;if(u<=127){++len}else if(u<=2047){len+=2}else if(u<=65535){len+=3}else if(u<=2097151){len+=4}else if(u<=67108863){len+=5}else{len+=6}}return len}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;function allocateUTF8(str){var size=lengthBytesUTF8(str)+1;var ret=_malloc(size);if(ret)stringToUTF8Array(str,HEAP8,ret,size);return ret}function allocateUTF8OnStack(str){var size=lengthBytesUTF8(str)+1;var ret=stackAlloc(size);stringToUTF8Array(str,HEAP8,ret,size);return ret}function demangle(func){return func}function demangleAll(text){var regex=/__Z[\w\d_]+/g;return text.replace(regex,(function(x){var y=demangle(x);return x===y?x:x+" ["+y+"]"}))}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}function stackTrace(){var js=jsStackTrace();if(Module["extraStackTrace"])js+="\n"+Module["extraStackTrace"]();return demangleAll(js)}var WASM_PAGE_SIZE=65536;var ASMJS_PAGE_SIZE=16777216;function alignUp(x,multiple){if(x%multiple>0){x+=multiple-x%multiple}return x}var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBuffer(buf){Module["buffer"]=buffer=buf}function updateGlobalBufferViews(){Module["HEAP8"]=HEAP8=new Int8Array(buffer);Module["HEAP16"]=HEAP16=new Int16Array(buffer);Module["HEAP32"]=HEAP32=new Int32Array(buffer);Module["HEAPU8"]=HEAPU8=new Uint8Array(buffer);Module["HEAPU16"]=HEAPU16=new Uint16Array(buffer);Module["HEAPU32"]=HEAPU32=new Uint32Array(buffer);Module["HEAPF32"]=HEAPF32=new Float32Array(buffer);Module["HEAPF64"]=HEAPF64=new Float64Array(buffer)}var STATIC_BASE,STATICTOP,staticSealed;var STACK_BASE,STACKTOP,STACK_MAX;var DYNAMIC_BASE,DYNAMICTOP_PTR;STATIC_BASE=STATICTOP=STACK_BASE=STACKTOP=STACK_MAX=DYNAMIC_BASE=DYNAMICTOP_PTR=0;staticSealed=false;function abortOnCannotGrowMemory(){abort("Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value "+TOTAL_MEMORY+", (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 ")}function enlargeMemory(){abortOnCannotGrowMemory()}var TOTAL_STACK=Module["TOTAL_STACK"]||5242880;var TOTAL_MEMORY=Module["TOTAL_MEMORY"]||16777216;if(TOTAL_MEMORY<TOTAL_STACK)Module.printErr("TOTAL_MEMORY should be larger than TOTAL_STACK, was "+TOTAL_MEMORY+"! (TOTAL_STACK="+TOTAL_STACK+")");if(Module["buffer"]){buffer=Module["buffer"]}else{if(typeof WebAssembly==="object"&&typeof WebAssembly.Memory==="function"){Module["wasmMemory"]=new WebAssembly.Memory({"initial":TOTAL_MEMORY/WASM_PAGE_SIZE,"maximum":TOTAL_MEMORY/WASM_PAGE_SIZE});buffer=Module["wasmMemory"].buffer}else{buffer=new ArrayBuffer(TOTAL_MEMORY)}Module["buffer"]=buffer}updateGlobalBufferViews();function getTotalMemory(){return TOTAL_MEMORY}HEAP32[0]=1668509029;HEAP16[1]=25459;if(HEAPU8[2]!==115||HEAPU8[3]!==99)throw"Runtime error: expected the system to be little-endian!";function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Module["dynCall_v"](func)}else{Module["dynCall_vi"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATEXIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;var runtimeExited=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function ensureInitRuntime(){if(runtimeInitialized)return;runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){callRuntimeCallbacks(__ATEXIT__);runtimeExited=true}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}function writeArrayToMemory(array,buffer){HEAP8.set(array,buffer)}function writeAsciiToMemory(str,buffer,dontAddNull){for(var i=0;i<str.length;++i){HEAP8[buffer++>>0]=str.charCodeAt(i)}if(!dontAddNull)HEAP8[buffer>>0]=0}var Math_abs=Math.abs;var Math_cos=Math.cos;var Math_sin=Math.sin;var Math_tan=Math.tan;var Math_acos=Math.acos;var Math_asin=Math.asin;var Math_atan=Math.atan;var Math_atan2=Math.atan2;var Math_exp=Math.exp;var Math_log=Math.log;var Math_sqrt=Math.sqrt;var Math_ceil=Math.ceil;var Math_floor=Math.floor;var Math_pow=Math.pow;var Math_imul=Math.imul;var Math_fround=Math.fround;var Math_round=Math.round;var Math_min=Math.min;var Math_max=Math.max;var Math_clz32=Math.clz32;var Math_trunc=Math.trunc;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module["preloadedImages"]={};Module["preloadedAudios"]={};var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return String.prototype.startsWith?filename.startsWith(dataURIPrefix):filename.indexOf(dataURIPrefix)===0}function integrateWasmJS(){var wasmTextFile="index.wast";var wasmBinaryFile="index.wasm";var asmjsCodeFile="index.temp.asm.js";if(typeof Module["locateFile"]==="function"){if(!isDataURI(wasmTextFile)){wasmTextFile=Module["locateFile"](wasmTextFile)}if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=Module["locateFile"](wasmBinaryFile)}if(!isDataURI(asmjsCodeFile)){asmjsCodeFile=Module["locateFile"](asmjsCodeFile)}}var wasmPageSize=64*1024;var info={"global":null,"env":null,"asm2wasm":{"f64-rem":(function(x,y){return x%y}),"debugger":(function(){debugger})},"parent":Module};var exports=null;function mergeMemory(newBuffer){var oldBuffer=Module["buffer"];if(newBuffer.byteLength<oldBuffer.byteLength){Module["printErr"]("the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here")}var oldView=new Int8Array(oldBuffer);var newView=new Int8Array(newBuffer);newView.set(oldView);updateGlobalBuffer(newBuffer);updateGlobalBufferViews()}function fixImports(imports){return imports}function getBinary(){try{if(Module["wasmBinary"]){return new Uint8Array(Module["wasmBinary"])}if(Module["readBinary"]){return Module["readBinary"](wasmBinaryFile)}else{throw"on the web, we need the wasm binary to be preloaded and set on Module['wasmBinary']. emcc.py will do that for you when generating HTML (but not JS)"}}catch(err){abort(err)}}function getBinaryPromise(){if(!Module["wasmBinary"]&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)&&typeof fetch==="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then((function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()})).catch((function(){return getBinary()}))}return new Promise((function(resolve,reject){resolve(getBinary())}))}function doNativeWasm(global,env,providedBuffer){if(typeof WebAssembly!=="object"){Module["printErr"]("no native wasm support detected");return false}if(!(Module["wasmMemory"]instanceof WebAssembly.Memory)){Module["printErr"]("no native wasm Memory in use");return false}env["memory"]=Module["wasmMemory"];info["global"]={"NaN":NaN,"Infinity":Infinity};info["global.Math"]=Math;info["env"]=env;function receiveInstance(instance,module){exports=instance.exports;if(exports.memory)mergeMemory(exports.memory);Module["asm"]=exports;Module["usingWasm"]=true;removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");if(Module["instantiateWasm"]){try{return Module["instantiateWasm"](info,receiveInstance)}catch(e){Module["printErr"]("Module.instantiateWasm callback failed with error: "+e);return false}}function receiveInstantiatedSource(output){receiveInstance(output["instance"],output["module"])}function instantiateArrayBuffer(receiver){getBinaryPromise().then((function(binary){return WebAssembly.instantiate(binary,info)})).then(receiver).catch((function(reason){Module["printErr"]("failed to asynchronously prepare wasm: "+reason);abort(reason)}))}if(!Module["wasmBinary"]&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){WebAssembly.instantiateStreaming(fetch(wasmBinaryFile,{credentials:"same-origin"}),info).then(receiveInstantiatedSource).catch((function(reason){Module["printErr"]("wasm streaming compile failed: "+reason);Module["printErr"]("falling back to ArrayBuffer instantiation");instantiateArrayBuffer(receiveInstantiatedSource)}))}else{instantiateArrayBuffer(receiveInstantiatedSource)}return{}}Module["asmPreload"]=Module["asm"];var asmjsReallocBuffer=Module["reallocBuffer"];var wasmReallocBuffer=(function(size){var PAGE_MULTIPLE=Module["usingWasm"]?WASM_PAGE_SIZE:ASMJS_PAGE_SIZE;size=alignUp(size,PAGE_MULTIPLE);var old=Module["buffer"];var oldSize=old.byteLength;if(Module["usingWasm"]){try{var result=Module["wasmMemory"].grow((size-oldSize)/wasmPageSize);if(result!==(-1|0)){return Module["buffer"]=Module["wasmMemory"].buffer}else{return null}}catch(e){return null}}});Module["reallocBuffer"]=(function(size){if(finalMethod==="asmjs"){return asmjsReallocBuffer(size)}else{return wasmReallocBuffer(size)}});var finalMethod="";Module["asm"]=(function(global,env,providedBuffer){env=fixImports(env);if(!env["table"]){var TABLE_SIZE=Module["wasmTableSize"];if(TABLE_SIZE===undefined)TABLE_SIZE=1024;var MAX_TABLE_SIZE=Module["wasmMaxTableSize"];if(typeof WebAssembly==="object"&&typeof WebAssembly.Table==="function"){if(MAX_TABLE_SIZE!==undefined){env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,"maximum":MAX_TABLE_SIZE,"element":"anyfunc"})}else{env["table"]=new WebAssembly.Table({"initial":TABLE_SIZE,element:"anyfunc"})}}else{env["table"]=new Array(TABLE_SIZE)}Module["wasmTable"]=env["table"]}if(!env["memoryBase"]){env["memoryBase"]=Module["STATIC_BASE"]}if(!env["tableBase"]){env["tableBase"]=0}var exports;exports=doNativeWasm(global,env,providedBuffer);if(!exports)abort("no binaryen method succeeded. consider enabling more options, like interpreting, if you want that: https://github.com/kripken/emscripten/wiki/WebAssembly#binaryen-methods");return exports})}integrateWasmJS();var ASM_CONSTS=[(function(){return screen.width}),(function(){return screen.height}),(function($0){if(typeof Module["setWindowTitle"]!=="undefined"){Module["setWindowTitle"](Module["Pointer_stringify"]($0))}return 0}),(function($0,$1,$2){var w=$0;var h=$1;var pixels=$2;if(!Module["SDL2"])Module["SDL2"]={};var SDL2=Module["SDL2"];if(SDL2.ctxCanvas!==Module["canvas"]){SDL2.ctx=Module["createContext"](Module["canvas"],false,true);SDL2.ctxCanvas=Module["canvas"]}if(SDL2.w!==w||SDL2.h!==h||SDL2.imageCtx!==SDL2.ctx){SDL2.image=SDL2.ctx.createImageData(w,h);SDL2.w=w;SDL2.h=h;SDL2.imageCtx=SDL2.ctx}var data=SDL2.image.data;var src=pixels>>2;var dst=0;var num;if(typeof CanvasPixelArray!=="undefined"&&data instanceof CanvasPixelArray){num=data.length;while(dst<num){var val=HEAP32[src];data[dst]=val&255;data[dst+1]=val>>8&255;data[dst+2]=val>>16&255;data[dst+3]=255;src++;dst+=4}}else{if(SDL2.data32Data!==data){SDL2.data32=new Int32Array(data.buffer);SDL2.data8=new Uint8Array(data.buffer)}var data32=SDL2.data32;num=data32.length;data32.set(HEAP32.subarray(src,src+num));var data8=SDL2.data8;var i=3;var j=i+4*num;if(num%8==0){while(i<j){data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0;data8[i]=255;i=i+4|0}}else{while(i<j){data8[i]=255;i=i+4|0}}}SDL2.ctx.putImageData(SDL2.image,0,0);return 0}),(function($0,$1,$2){var w=$0;var h=$1;var pixels=$2;var canvas=document.createElement("canvas");canvas.width=w;canvas.height=h;var ctx=canvas.getContext("2d");var image=ctx.createImageData(w,h);var data=image.data;var src=pixels>>2;var dst=0;var num;if(typeof CanvasPixelArray!=="undefined"&&data instanceof CanvasPixelArray){num=data.length;while(dst<num){var val=HEAP32[src];data[dst]=val&255;data[dst+1]=val>>8&255;data[dst+2]=val>>16&255;data[dst+3]=val>>24&255;src++;dst+=4}}else{var data32=new Int32Array(data.buffer);num=data32.length;data32.set(HEAP32.subarray(src,src+num))}ctx.putImageData(image,0,0);var url="url("+canvas.toDataURL()+"), auto";var urlBuf=_malloc(url.length+1);stringToUTF8(url,urlBuf,url.length+1);return urlBuf}),(function($0){if(Module["canvas"]){Module["canvas"].style["cursor"]=Module["Pointer_stringify"]($0)}return 0}),(function(){if(Module["canvas"]){Module["canvas"].style["cursor"]="none"}}),(function(){if(typeof AudioContext!=="undefined"){return 1}else if(typeof webkitAudioContext!=="undefined"){return 1}return 0}),(function(){if(typeof navigator.mediaDevices!=="undefined"&&typeof navigator.mediaDevices.getUserMedia!=="undefined"){return 1}else if(typeof navigator.webkitGetUserMedia!=="undefined"){return 1}return 0}),(function($0){if(typeof SDL2==="undefined"){SDL2={}}if(!$0){SDL2.audio={}}else{SDL2.capture={}}if(!SDL2.audioContext){if(typeof AudioContext!=="undefined"){SDL2.audioContext=new AudioContext}else if(typeof webkitAudioContext!=="undefined"){SDL2.audioContext=new webkitAudioContext}}return SDL2.audioContext===undefined?-1:0}),(function(){return SDL2.audioContext.sampleRate}),(function($0,$1,$2,$3){var have_microphone=(function(stream){if(SDL2.capture.silenceTimer!==undefined){clearTimeout(SDL2.capture.silenceTimer);SDL2.capture.silenceTimer=undefined}SDL2.capture.mediaStreamNode=SDL2.audioContext.createMediaStreamSource(stream);SDL2.capture.scriptProcessorNode=SDL2.audioContext.createScriptProcessor($1,$0,1);SDL2.capture.scriptProcessorNode.onaudioprocess=(function(audioProcessingEvent){if(SDL2===undefined||SDL2.capture===undefined){return}audioProcessingEvent.outputBuffer.getChannelData(0).fill(0);SDL2.capture.currentCaptureBuffer=audioProcessingEvent.inputBuffer;Runtime.dynCall("vi",$2,[$3])});SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);SDL2.capture.stream=stream});var no_microphone=(function(error){});SDL2.capture.silenceBuffer=SDL2.audioContext.createBuffer($0,$1,SDL2.audioContext.sampleRate);SDL2.capture.silenceBuffer.getChannelData(0).fill(0);var silence_callback=(function(){SDL2.capture.currentCaptureBuffer=SDL2.capture.silenceBuffer;Runtime.dynCall("vi",$2,[$3])});SDL2.capture.silenceTimer=setTimeout(silence_callback,$1/SDL2.audioContext.sampleRate*1e3);if(navigator.mediaDevices!==undefined&&navigator.mediaDevices.getUserMedia!==undefined){navigator.mediaDevices.getUserMedia({audio:true,video:false}).then(have_microphone).catch(no_microphone)}else if(navigator.webkitGetUserMedia!==undefined){navigator.webkitGetUserMedia({audio:true,video:false},have_microphone,no_microphone)}}),(function($0,$1,$2,$3){SDL2.audio.scriptProcessorNode=SDL2.audioContext["createScriptProcessor"]($1,0,$0);SDL2.audio.scriptProcessorNode["onaudioprocess"]=(function(e){if(SDL2===undefined||SDL2.audio===undefined){return}SDL2.audio.currentOutputBuffer=e["outputBuffer"];Runtime.dynCall("vi",$2,[$3])});SDL2.audio.scriptProcessorNode["connect"](SDL2.audioContext["destination"])}),(function($0){if($0){if(SDL2.capture.silenceTimer!==undefined){clearTimeout(SDL2.capture.silenceTimer)}if(SDL2.capture.stream!==undefined){var tracks=SDL2.capture.stream.getAudioTracks();for(var i=0;i<tracks.length;i++){SDL2.capture.stream.removeTrack(tracks[i])}SDL2.capture.stream=undefined}if(SDL2.capture.scriptProcessorNode!==undefined){SDL2.capture.scriptProcessorNode.onaudioprocess=(function(audioProcessingEvent){});SDL2.capture.scriptProcessorNode.disconnect();SDL2.capture.scriptProcessorNode=undefined}if(SDL2.capture.mediaStreamNode!==undefined){SDL2.capture.mediaStreamNode.disconnect();SDL2.capture.mediaStreamNode=undefined}if(SDL2.capture.silenceBuffer!==undefined){SDL2.capture.silenceBuffer=undefined}SDL2.capture=undefined}else{if(SDL2.audio.scriptProcessorNode!=undefined){SDL2.audio.scriptProcessorNode.disconnect();SDL2.audio.scriptProcessorNode=undefined}SDL2.audio=undefined}if(SDL2.audioContext!==undefined&&SDL2.audio===undefined&&SDL2.capture===undefined){SDL2.audioContext.close();SDL2.audioContext=undefined}}),(function($0,$1){var numChannels=SDL2.capture.currentCaptureBuffer.numberOfChannels;if(numChannels==1){var channelData=SDL2.capture.currentCaptureBuffer.getChannelData(0);if(channelData.length!=$1){throw"Web Audio capture buffer length mismatch! Destination size: "+channelData.length+" samples vs expected "+$1+" samples!"}for(var j=0;j<$1;++j){setValue($0+j*4,channelData[j],"float")}}else{for(var c=0;c<numChannels;++c){var channelData=SDL2.capture.currentCaptureBuffer.getChannelData(c);if(channelData.length!=$1){throw"Web Audio capture buffer length mismatch! Destination size: "+channelData.length+" samples vs expected "+$1+" samples!"}for(var j=0;j<$1;++j){setValue($0+(j*numChannels+c)*4,channelData[j],"float")}}}}),(function($0,$1){var numChannels=SDL2.audio.currentOutputBuffer["numberOfChannels"];for(var c=0;c<numChannels;++c){var channelData=SDL2.audio.currentOutputBuffer["getChannelData"](c);if(channelData.length!=$1){throw"Web Audio output buffer length mismatch! Destination size: "+channelData.length+" samples vs expected "+$1+" samples!"}for(var j=0;j<$1;++j){channelData[j]=HEAPF32[$0+(j*numChannels+c<<2)>>2]}}}),(function($0,$1){Module.printErr("bad name in getProcAddress: "+[Pointer_stringify($0),Pointer_stringify($1)])})];function _emscripten_asm_const_iii(code,a0,a1){return ASM_CONSTS[code](a0,a1)}function _emscripten_asm_const_i(code){return ASM_CONSTS[code]()}function _emscripten_asm_const_iiiii(code,a0,a1,a2,a3){return ASM_CONSTS[code](a0,a1,a2,a3)}function _emscripten_asm_const_ii(code,a0){return ASM_CONSTS[code](a0)}function _emscripten_asm_const_iiii(code,a0,a1,a2){return ASM_CONSTS[code](a0,a1,a2)}STATIC_BASE=GLOBAL_BASE;STATICTOP=STATIC_BASE+54144;__ATINIT__.push();var STATIC_BUMP=54144;Module["STATIC_BASE"]=STATIC_BASE;Module["STATIC_BUMP"]=STATIC_BUMP;STATICTOP+=16;function ___lock(){}var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};function ___setErrNo(value){if(Module["___errno_location"])HEAP32[Module["___errno_location"]()>>2]=value;return value}var PATH={splitPath:(function(filename){var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)}),normalizeArray:(function(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts}),normalize:(function(path){var isAbsolute=path.charAt(0)==="/",trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter((function(p){return!!p})),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path}),dirname:(function(path){var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir}),basename:(function(path){if(path==="/")return"/";var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)}),extname:(function(path){return PATH.splitPath(path)[3]}),join:(function(){var paths=Array.prototype.slice.call(arguments,0);return PATH.normalize(paths.join("/"))}),join2:(function(l,r){return PATH.normalize(l+"/"+r)}),resolve:(function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:FS.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter((function(p){return!!p})),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."}),relative:(function(from,to){from=PATH.resolve(from).substr(1);to=PATH.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")})};var TTY={ttys:[],init:(function(){}),shutdown:(function(){}),register:(function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)}),stream_ops:{open:(function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}stream.tty=tty;stream.seekable=false}),close:(function(stream){stream.tty.ops.flush(stream.tty)}),flush:(function(stream){stream.tty.ops.flush(stream.tty)}),read:(function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(ERRNO_CODES.ENXIO)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EIO)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead}),write:(function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(ERRNO_CODES.ENXIO)}for(var i=0;i<length;i++){try{stream.tty.ops.put_char(stream.tty,buffer[offset+i])}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EIO)}}if(length){stream.node.timestamp=Date.now()}return i})},default_tty_ops:{get_char:(function(tty){if(!tty.input.length){var result=null;if(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=new Buffer(BUFSIZE);var bytesRead=0;var isPosixPlatform=process.platform!="win32";var fd=process.stdin.fd;if(isPosixPlatform){var usingDevice=false;try{fd=fs.openSync("/dev/stdin","r");usingDevice=true}catch(e){}}try{bytesRead=fs.readSync(fd,buf,0,BUFSIZE,null)}catch(e){if(e.toString().indexOf("EOF")!=-1)bytesRead=0;else throw e}if(usingDevice){fs.closeSync(fd)}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}else{result=null}}else if(typeof window!="undefined"&&typeof window.prompt=="function"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}tty.input=intArrayFromString(result,true)}return tty.input.shift()}),put_char:(function(tty,val){if(val===null||val===10){Module["print"](UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}}),flush:(function(tty){if(tty.output&&tty.output.length>0){Module["print"](UTF8ArrayToString(tty.output,0));tty.output=[]}})},default_tty1_ops:{put_char:(function(tty,val){if(val===null||val===10){Module["printErr"](UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}}),flush:(function(tty){if(tty.output&&tty.output.length>0){Module["printErr"](UTF8ArrayToString(tty.output,0));tty.output=[]}})}};var MEMFS={ops_table:null,mount:(function(mount){return MEMFS.createNode(null,"/",16384|511,0)}),createNode:(function(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}if(!MEMFS.ops_table){MEMFS.ops_table={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}}}var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node}return node}),getFileDataAsRegularArray:(function(node){if(node.contents&&node.contents.subarray){var arr=[];for(var i=0;i<node.usedBytes;++i)arr.push(node.contents[i]);return arr}return node.contents}),getFileDataAsTypedArray:(function(node){if(!node.contents)return new Uint8Array;if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)}),expandFileStorage:(function(node,newCapacity){if(node.contents&&node.contents.subarray&&newCapacity>node.contents.length){node.contents=MEMFS.getFileDataAsRegularArray(node);node.usedBytes=node.contents.length}if(!node.contents||node.contents.subarray){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)|0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0);return}if(!node.contents&&newCapacity>0)node.contents=[];while(node.contents.length<newCapacity)node.contents.push(0)}),resizeFileStorage:(function(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0;return}if(!node.contents||node.contents.subarray){var oldContents=node.contents;node.contents=new Uint8Array(new ArrayBuffer(newSize));if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize;return}if(!node.contents)node.contents=[];if(node.contents.length>newSize)node.contents.length=newSize;else while(node.contents.length<newSize)node.contents.push(0);node.usedBytes=newSize}),node_ops:{getattr:(function(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr}),setattr:(function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}}),lookup:(function(parent,name){throw FS.genericErrors[ERRNO_CODES.ENOENT]}),mknod:(function(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)}),rename:(function(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY)}}}delete old_node.parent.contents[old_node.name];old_node.name=new_name;new_dir.contents[new_name]=old_node;old_node.parent=new_dir}),unlink:(function(parent,name){delete parent.contents[name]}),rmdir:(function(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY)}delete parent.contents[name]}),readdir:(function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries}),symlink:(function(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node}),readlink:(function(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return node.link})},stream_ops:{read:(function(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);assert(size>=0);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size}),write:(function(stream,buffer,offset,length,position,canOwn){if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=new Uint8Array(buffer.subarray(offset,offset+length));node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray)node.contents.set(buffer.subarray(offset,offset+length),position);else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length}),llseek:(function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return position}),allocate:(function(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)}),mmap:(function(stream,buffer,offset,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&(contents.buffer===buffer||contents.buffer===buffer.buffer)){allocated=false;ptr=contents.byteOffset}else{if(position>0||position+length<stream.node.usedBytes){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}allocated=true;ptr=_malloc(length);if(!ptr){throw new FS.ErrnoError(ERRNO_CODES.ENOMEM)}buffer.set(contents,ptr)}return{ptr:ptr,allocated:allocated}}),msync:(function(stream,buffer,offset,length,mmapFlags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}if(mmapFlags&2){return 0}var bytesWritten=MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0})}};var IDBFS={dbs:{},indexedDB:(function(){if(typeof indexedDB!=="undefined")return indexedDB;var ret=null;if(typeof window==="object")ret=window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB;assert(ret,"IDBFS used, but indexedDB not supported");return ret}),DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:(function(mount){return MEMFS.mount.apply(null,arguments)}),syncfs:(function(mount,populate,callback){IDBFS.getLocalSet(mount,(function(err,local){if(err)return callback(err);IDBFS.getRemoteSet(mount,(function(err,remote){if(err)return callback(err);var src=populate?remote:local;var dst=populate?local:remote;IDBFS.reconcile(src,dst,callback)}))}))}),getDB:(function(name,callback){var db=IDBFS.dbs[name];if(db){return callback(null,db)}var req;try{req=IDBFS.indexedDB().open(name,IDBFS.DB_VERSION)}catch(e){return callback(e)}if(!req){return callback("Unable to connect to IndexedDB")}req.onupgradeneeded=(function(e){var db=e.target.result;var transaction=e.target.transaction;var fileStore;if(db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)){fileStore=transaction.objectStore(IDBFS.DB_STORE_NAME)}else{fileStore=db.createObjectStore(IDBFS.DB_STORE_NAME)}if(!fileStore.indexNames.contains("timestamp")){fileStore.createIndex("timestamp","timestamp",{unique:false})}});req.onsuccess=(function(){db=req.result;IDBFS.dbs[name]=db;callback(null,db)});req.onerror=(function(e){callback(this.error);e.preventDefault()})}),getLocalSet:(function(mount,callback){var entries={};function isRealDir(p){return p!=="."&&p!==".."}function toAbsolute(root){return(function(p){return PATH.join2(root,p)})}var check=FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));while(check.length){var path=check.pop();var stat;try{stat=FS.stat(path)}catch(e){return callback(e)}if(FS.isDir(stat.mode)){check.push.apply(check,FS.readdir(path).filter(isRealDir).map(toAbsolute(path)))}entries[path]={timestamp:stat.mtime}}return callback(null,{type:"local",entries:entries})}),getRemoteSet:(function(mount,callback){var entries={};IDBFS.getDB(mount.mountpoint,(function(err,db){if(err)return callback(err);try{var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readonly");transaction.onerror=(function(e){callback(this.error);e.preventDefault()});var store=transaction.objectStore(IDBFS.DB_STORE_NAME);var index=store.index("timestamp");index.openKeyCursor().onsuccess=(function(event){var cursor=event.target.result;if(!cursor){return callback(null,{type:"remote",db:db,entries:entries})}entries[cursor.primaryKey]={timestamp:cursor.key};cursor.continue()})}catch(e){return callback(e)}}))}),loadLocalEntry:(function(path,callback){var stat,node;try{var lookup=FS.lookupPath(path);node=lookup.node;stat=FS.stat(path)}catch(e){return callback(e)}if(FS.isDir(stat.mode)){return callback(null,{timestamp:stat.mtime,mode:stat.mode})}else if(FS.isFile(stat.mode)){node.contents=MEMFS.getFileDataAsTypedArray(node);return callback(null,{timestamp:stat.mtime,mode:stat.mode,contents:node.contents})}else{return callback(new Error("node type not supported"))}}),storeLocalEntry:(function(path,entry,callback){try{if(FS.isDir(entry.mode)){FS.mkdir(path,entry.mode)}else if(FS.isFile(entry.mode)){FS.writeFile(path,entry.contents,{canOwn:true})}else{return callback(new Error("node type not supported"))}FS.chmod(path,entry.mode);FS.utime(path,entry.timestamp,entry.timestamp)}catch(e){return callback(e)}callback(null)}),removeLocalEntry:(function(path,callback){try{var lookup=FS.lookupPath(path);var stat=FS.stat(path);if(FS.isDir(stat.mode)){FS.rmdir(path)}else if(FS.isFile(stat.mode)){FS.unlink(path)}}catch(e){return callback(e)}callback(null)}),loadRemoteEntry:(function(store,path,callback){var req=store.get(path);req.onsuccess=(function(event){callback(null,event.target.result)});req.onerror=(function(e){callback(this.error);e.preventDefault()})}),storeRemoteEntry:(function(store,path,entry,callback){var req=store.put(entry,path);req.onsuccess=(function(){callback(null)});req.onerror=(function(e){callback(this.error);e.preventDefault()})}),removeRemoteEntry:(function(store,path,callback){var req=store.delete(path);req.onsuccess=(function(){callback(null)});req.onerror=(function(e){callback(this.error);e.preventDefault()})}),reconcile:(function(src,dst,callback){var total=0;var create=[];Object.keys(src.entries).forEach((function(key){var e=src.entries[key];var e2=dst.entries[key];if(!e2||e.timestamp>e2.timestamp){create.push(key);total++}}));var remove=[];Object.keys(dst.entries).forEach((function(key){var e=dst.entries[key];var e2=src.entries[key];if(!e2){remove.push(key);total++}}));if(!total){return callback(null)}var completed=0;var db=src.type==="remote"?src.db:dst.db;var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readwrite");var store=transaction.objectStore(IDBFS.DB_STORE_NAME);function done(err){if(err){if(!done.errored){done.errored=true;return callback(err)}return}if(++completed>=total){return callback(null)}}transaction.onerror=(function(e){done(this.error);e.preventDefault()});create.sort().forEach((function(path){if(dst.type==="local"){IDBFS.loadRemoteEntry(store,path,(function(err,entry){if(err)return done(err);IDBFS.storeLocalEntry(path,entry,done)}))}else{IDBFS.loadLocalEntry(path,(function(err,entry){if(err)return done(err);IDBFS.storeRemoteEntry(store,path,entry,done)}))}}));remove.sort().reverse().forEach((function(path){if(dst.type==="local"){IDBFS.removeLocalEntry(path,done)}else{IDBFS.removeRemoteEntry(store,path,done)}}))})};var NODEFS={isWindows:false,staticInit:(function(){NODEFS.isWindows=!!process.platform.match(/^win/);var flags=process["binding"]("constants");if(flags["fs"]){flags=flags["fs"]}NODEFS.flagsForNodeMap={"1024":flags["O_APPEND"],"64":flags["O_CREAT"],"128":flags["O_EXCL"],"0":flags["O_RDONLY"],"2":flags["O_RDWR"],"4096":flags["O_SYNC"],"512":flags["O_TRUNC"],"1":flags["O_WRONLY"]}}),bufferFrom:(function(arrayBuffer){return Buffer.alloc?Buffer.from(arrayBuffer):new Buffer(arrayBuffer)}),mount:(function(mount){assert(ENVIRONMENT_IS_NODE);return NODEFS.createNode(null,"/",NODEFS.getMode(mount.opts.root),0)}),createNode:(function(parent,name,mode,dev){if(!FS.isDir(mode)&&!FS.isFile(mode)&&!FS.isLink(mode)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var node=FS.createNode(parent,name,mode);node.node_ops=NODEFS.node_ops;node.stream_ops=NODEFS.stream_ops;return node}),getMode:(function(path){var stat;try{stat=fs.lstatSync(path);if(NODEFS.isWindows){stat.mode=stat.mode|(stat.mode&292)>>2}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}return stat.mode}),realPath:(function(node){var parts=[];while(node.parent!==node){parts.push(node.name);node=node.parent}parts.push(node.mount.opts.root);parts.reverse();return PATH.join.apply(null,parts)}),flagsForNode:(function(flags){flags&=~2097152;flags&=~2048;flags&=~32768;flags&=~524288;var newFlags=0;for(var k in NODEFS.flagsForNodeMap){if(flags&k){newFlags|=NODEFS.flagsForNodeMap[k];flags^=k}}if(!flags){return newFlags}else{throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}}),node_ops:{getattr:(function(node){var path=NODEFS.realPath(node);var stat;try{stat=fs.lstatSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}if(NODEFS.isWindows&&!stat.blksize){stat.blksize=4096}if(NODEFS.isWindows&&!stat.blocks){stat.blocks=(stat.size+stat.blksize-1)/stat.blksize|0}return{dev:stat.dev,ino:stat.ino,mode:stat.mode,nlink:stat.nlink,uid:stat.uid,gid:stat.gid,rdev:stat.rdev,size:stat.size,atime:stat.atime,mtime:stat.mtime,ctime:stat.ctime,blksize:stat.blksize,blocks:stat.blocks}}),setattr:(function(node,attr){var path=NODEFS.realPath(node);try{if(attr.mode!==undefined){fs.chmodSync(path,attr.mode);node.mode=attr.mode}if(attr.timestamp!==undefined){var date=new Date(attr.timestamp);fs.utimesSync(path,date,date)}if(attr.size!==undefined){fs.truncateSync(path,attr.size)}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),lookup:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);var mode=NODEFS.getMode(path);return NODEFS.createNode(parent,name,mode)}),mknod:(function(parent,name,mode,dev){var node=NODEFS.createNode(parent,name,mode,dev);var path=NODEFS.realPath(node);try{if(FS.isDir(node.mode)){fs.mkdirSync(path,node.mode)}else{fs.writeFileSync(path,"",{mode:node.mode})}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}return node}),rename:(function(oldNode,newDir,newName){var oldPath=NODEFS.realPath(oldNode);var newPath=PATH.join2(NODEFS.realPath(newDir),newName);try{fs.renameSync(oldPath,newPath)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),unlink:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);try{fs.unlinkSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),rmdir:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);try{fs.rmdirSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),readdir:(function(node){var path=NODEFS.realPath(node);try{return fs.readdirSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),symlink:(function(parent,newName,oldPath){var newPath=PATH.join2(NODEFS.realPath(parent),newName);try{fs.symlinkSync(oldPath,newPath)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),readlink:(function(node){var path=NODEFS.realPath(node);try{path=fs.readlinkSync(path);path=NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root),path);return path}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}})},stream_ops:{open:(function(stream){var path=NODEFS.realPath(stream.node);try{if(FS.isFile(stream.node.mode)){stream.nfd=fs.openSync(path,NODEFS.flagsForNode(stream.flags))}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),close:(function(stream){try{if(FS.isFile(stream.node.mode)&&stream.nfd){fs.closeSync(stream.nfd)}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),read:(function(stream,buffer,offset,length,position){if(length===0)return 0;try{return fs.readSync(stream.nfd,NODEFS.bufferFrom(buffer.buffer),offset,length,position)}catch(e){throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),write:(function(stream,buffer,offset,length,position){try{return fs.writeSync(stream.nfd,NODEFS.bufferFrom(buffer.buffer),offset,length,position)}catch(e){throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),llseek:(function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){try{var stat=fs.fstatSync(stream.nfd);position+=stat.size}catch(e){throw new FS.ErrnoError(ERRNO_CODES[e.code])}}}if(position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return position})}};var WORKERFS={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:(function(mount){assert(ENVIRONMENT_IS_WORKER);if(!WORKERFS.reader)WORKERFS.reader=new FileReaderSync;var root=WORKERFS.createNode(null,"/",WORKERFS.DIR_MODE,0);var createdParents={};function ensureParent(path){var parts=path.split("/");var parent=root;for(var i=0;i<parts.length-1;i++){var curr=parts.slice(0,i+1).join("/");if(!createdParents[curr]){createdParents[curr]=WORKERFS.createNode(parent,parts[i],WORKERFS.DIR_MODE,0)}parent=createdParents[curr]}return parent}function base(path){var parts=path.split("/");return parts[parts.length-1]}Array.prototype.forEach.call(mount.opts["files"]||[],(function(file){WORKERFS.createNode(ensureParent(file.name),base(file.name),WORKERFS.FILE_MODE,0,file,file.lastModifiedDate)}));(mount.opts["blobs"]||[]).forEach((function(obj){WORKERFS.createNode(ensureParent(obj["name"]),base(obj["name"]),WORKERFS.FILE_MODE,0,obj["data"])}));(mount.opts["packages"]||[]).forEach((function(pack){pack["metadata"].files.forEach((function(file){var name=file.filename.substr(1);WORKERFS.createNode(ensureParent(name),base(name),WORKERFS.FILE_MODE,0,pack["blob"].slice(file.start,file.end))}))}));return root}),createNode:(function(parent,name,mode,dev,contents,mtime){var node=FS.createNode(parent,name,mode);node.mode=mode;node.node_ops=WORKERFS.node_ops;node.stream_ops=WORKERFS.stream_ops;node.timestamp=(mtime||new Date).getTime();assert(WORKERFS.FILE_MODE!==WORKERFS.DIR_MODE);if(mode===WORKERFS.FILE_MODE){node.size=contents.size;node.contents=contents}else{node.size=4096;node.contents={}}if(parent){parent.contents[name]=node}return node}),node_ops:{getattr:(function(node){return{dev:1,ino:undefined,mode:node.mode,nlink:1,uid:0,gid:0,rdev:undefined,size:node.size,atime:new Date(node.timestamp),mtime:new Date(node.timestamp),ctime:new Date(node.timestamp),blksize:4096,blocks:Math.ceil(node.size/4096)}}),setattr:(function(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}}),lookup:(function(parent,name){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}),mknod:(function(parent,name,mode,dev){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}),rename:(function(oldNode,newDir,newName){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}),unlink:(function(parent,name){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}),rmdir:(function(parent,name){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}),readdir:(function(node){var entries=[".",".."];for(var key in node.contents){if(!node.contents.hasOwnProperty(key)){continue}entries.push(key)}return entries}),symlink:(function(parent,newName,oldPath){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}),readlink:(function(node){throw new FS.ErrnoError(ERRNO_CODES.EPERM)})},stream_ops:{read:(function(stream,buffer,offset,length,position){if(position>=stream.node.size)return 0;var chunk=stream.node.contents.slice(position,position+length);var ab=WORKERFS.reader.readAsArrayBuffer(chunk);buffer.set(new Uint8Array(ab),offset);return chunk.size}),write:(function(stream,buffer,offset,length,position){throw new FS.ErrnoError(ERRNO_CODES.EIO)}),llseek:(function(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.size}}if(position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return position})}};STATICTOP+=16;STATICTOP+=16;STATICTOP+=16;var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,handleFSError:(function(e){if(!(e instanceof FS.ErrnoError))throw e+" : "+stackTrace();return ___setErrNo(e.errno)}),lookupPath:(function(path,opts){path=PATH.resolve(FS.cwd(),path);opts=opts||{};if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};for(var key in defaults){if(opts[key]===undefined){opts[key]=defaults[key]}}if(opts.recurse_count>8){throw new FS.ErrnoError(ERRNO_CODES.ELOOP)}var parts=PATH.normalizeArray(path.split("/").filter((function(p){return!!p})),false);var current=FS.root;var current_path="/";for(var i=0;i<parts.length;i++){var islast=i===parts.length-1;if(islast&&opts.parent){break}current=FS.lookupNode(current,parts[i]);current_path=PATH.join2(current_path,parts[i]);if(FS.isMountpoint(current)){if(!islast||islast&&opts.follow_mount){current=current.mounted.root}}if(!islast||opts.follow){var count=0;while(FS.isLink(current.mode)){var link=FS.readlink(current_path);current_path=PATH.resolve(PATH.dirname(current_path),link);var lookup=FS.lookupPath(current_path,{recurse_count:opts.recurse_count});current=lookup.node;if(count++>40){throw new FS.ErrnoError(ERRNO_CODES.ELOOP)}}}}return{path:current_path,node:current}}),getPath:(function(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}}),hashName:(function(parentid,name){var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length}),hashAddNode:(function(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node}),hashRemoveNode:(function(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}}),lookupNode:(function(parent,name){var err=FS.mayLookup(parent);if(err){throw new FS.ErrnoError(err,parent)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)}),createNode:(function(parent,name,mode,rdev){if(!FS.FSNode){FS.FSNode=(function(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev});FS.FSNode.prototype={};var readMode=292|73;var writeMode=146;Object.defineProperties(FS.FSNode.prototype,{read:{get:(function(){return(this.mode&readMode)===readMode}),set:(function(val){val?this.mode|=readMode:this.mode&=~readMode})},write:{get:(function(){return(this.mode&writeMode)===writeMode}),set:(function(val){val?this.mode|=writeMode:this.mode&=~writeMode})},isFolder:{get:(function(){return FS.isDir(this.mode)})},isDevice:{get:(function(){return FS.isChrdev(this.mode)})}})}var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node}),destroyNode:(function(node){FS.hashRemoveNode(node)}),isRoot:(function(node){return node===node.parent}),isMountpoint:(function(node){return!!node.mounted}),isFile:(function(mode){return(mode&61440)===32768}),isDir:(function(mode){return(mode&61440)===16384}),isLink:(function(mode){return(mode&61440)===40960}),isChrdev:(function(mode){return(mode&61440)===8192}),isBlkdev:(function(mode){return(mode&61440)===24576}),isFIFO:(function(mode){return(mode&61440)===4096}),isSocket:(function(mode){return(mode&49152)===49152}),flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218},modeStringToFlags:(function(str){var flags=FS.flagModes[str];if(typeof flags==="undefined"){throw new Error("Unknown file open mode: "+str)}return flags}),flagsToPermissionString:(function(flag){var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms}),nodePermissions:(function(node,perms){if(FS.ignorePermissions){return 0}if(perms.indexOf("r")!==-1&&!(node.mode&292)){return ERRNO_CODES.EACCES}else if(perms.indexOf("w")!==-1&&!(node.mode&146)){return ERRNO_CODES.EACCES}else if(perms.indexOf("x")!==-1&&!(node.mode&73)){return ERRNO_CODES.EACCES}return 0}),mayLookup:(function(dir){var err=FS.nodePermissions(dir,"x");if(err)return err;if(!dir.node_ops.lookup)return ERRNO_CODES.EACCES;return 0}),mayCreate:(function(dir,name){try{var node=FS.lookupNode(dir,name);return ERRNO_CODES.EEXIST}catch(e){}return FS.nodePermissions(dir,"wx")}),mayDelete:(function(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var err=FS.nodePermissions(dir,"wx");if(err){return err}if(isdir){if(!FS.isDir(node.mode)){return ERRNO_CODES.ENOTDIR}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return ERRNO_CODES.EBUSY}}else{if(FS.isDir(node.mode)){return ERRNO_CODES.EISDIR}}return 0}),mayOpen:(function(node,flags){if(!node){return ERRNO_CODES.ENOENT}if(FS.isLink(node.mode)){return ERRNO_CODES.ELOOP}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return ERRNO_CODES.EISDIR}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))}),MAX_OPEN_FDS:4096,nextfd:(function(fd_start,fd_end){fd_start=fd_start||0;fd_end=fd_end||FS.MAX_OPEN_FDS;for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(ERRNO_CODES.EMFILE)}),getStream:(function(fd){return FS.streams[fd]}),createStream:(function(stream,fd_start,fd_end){if(!FS.FSStream){FS.FSStream=(function(){});FS.FSStream.prototype={};Object.defineProperties(FS.FSStream.prototype,{object:{get:(function(){return this.node}),set:(function(val){this.node=val})},isRead:{get:(function(){return(this.flags&2097155)!==1})},isWrite:{get:(function(){return(this.flags&2097155)!==0})},isAppend:{get:(function(){return this.flags&1024})}})}var newStream=new FS.FSStream;for(var p in stream){newStream[p]=stream[p]}stream=newStream;var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream}),closeStream:(function(fd){FS.streams[fd]=null}),chrdev_stream_ops:{open:(function(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}}),llseek:(function(){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)})},major:(function(dev){return dev>>8}),minor:(function(dev){return dev&255}),makedev:(function(ma,mi){return ma<<8|mi}),registerDevice:(function(dev,ops){FS.devices[dev]={stream_ops:ops}}),getDevice:(function(dev){return FS.devices[dev]}),getMounts:(function(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts}),syncfs:(function(populate,callback){if(typeof populate==="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){console.log("warning: "+FS.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work")}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(err){assert(FS.syncFSRequests>0);FS.syncFSRequests--;return callback(err)}function done(err){if(err){if(!done.errored){done.errored=true;return doCallback(err)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach((function(mount){if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)}))}),mount:(function(type,opts,mountpoint){var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}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(ERRNO_CODES.EBUSY)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot}),unmount:(function(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach((function(hash){var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.indexOf(current.mount)!==-1){FS.destroyNode(current)}current=next}}));node.mounted=null;var idx=node.mount.mounts.indexOf(mount);assert(idx!==-1);node.mount.mounts.splice(idx,1)}),lookup:(function(parent,name){return parent.node_ops.lookup(parent,name)}),mknod:(function(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var err=FS.mayCreate(parent,name);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return parent.node_ops.mknod(parent,name,mode,dev)}),create:(function(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)}),mkdir:(function(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)}),mkdirTree:(function(path,mode){var dirs=path.split("/");var d="";for(var i=0;i<dirs.length;++i){if(!dirs[i])continue;d+="/"+dirs[i];try{FS.mkdir(d,mode)}catch(e){if(e.errno!=ERRNO_CODES.EEXIST)throw e}}}),mkdev:(function(path,mode,dev){if(typeof dev==="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)}),symlink:(function(oldpath,newpath){if(!PATH.resolve(oldpath)){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}var newname=PATH.basename(newpath);var err=FS.mayCreate(parent,newname);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return parent.node_ops.symlink(parent,newname,oldpath)}),rename:(function(old_path,new_path){var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;try{lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}if(!old_dir||!new_dir)throw new FS.ErrnoError(ERRNO_CODES.ENOENT);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(ERRNO_CODES.EXDEV)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}relative=PATH.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var err=FS.mayDelete(old_dir,old_name,isdir);if(err){throw new FS.ErrnoError(err)}err=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(err){throw new FS.ErrnoError(err)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}if(new_dir!==old_dir){err=FS.nodePermissions(old_dir,"w");if(err){throw new FS.ErrnoError(err)}}try{if(FS.trackingDelegate["willMovePath"]){FS.trackingDelegate["willMovePath"](old_path,new_path)}}catch(e){console.log("FS.trackingDelegate['willMovePath']('"+old_path+"', '"+new_path+"') threw an exception: "+e.message)}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name)}catch(e){throw e}finally{FS.hashAddNode(old_node)}try{if(FS.trackingDelegate["onMovePath"])FS.trackingDelegate["onMovePath"](old_path,new_path)}catch(e){console.log("FS.trackingDelegate['onMovePath']('"+old_path+"', '"+new_path+"') threw an exception: "+e.message)}}),rmdir:(function(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var err=FS.mayDelete(parent,name,true);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: "+e.message)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node);try{if(FS.trackingDelegate["onDeletePath"])FS.trackingDelegate["onDeletePath"](path)}catch(e){console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: "+e.message)}}),readdir:(function(path){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node.node_ops.readdir){throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}return node.node_ops.readdir(node)}),unlink:(function(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var err=FS.mayDelete(parent,name,false);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: "+e.message)}parent.node_ops.unlink(parent,name);FS.destroyNode(node);try{if(FS.trackingDelegate["onDeletePath"])FS.trackingDelegate["onDeletePath"](path)}catch(e){console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: "+e.message)}}),readlink:(function(path){var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(!link.node_ops.readlink){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return PATH.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))}),stat:(function(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(!node.node_ops.getattr){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return node.node_ops.getattr(node)}),lstat:(function(path){return FS.stat(path,true)}),chmod:(function(path,mode,dontFollow){var node;if(typeof path==="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})}),lchmod:(function(path,mode){FS.chmod(path,mode,true)}),fchmod:(function(fd,mode){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}FS.chmod(stream.node,mode)}),chown:(function(path,uid,gid,dontFollow){var node;if(typeof path==="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}node.node_ops.setattr(node,{timestamp:Date.now()})}),lchown:(function(path,uid,gid){FS.chown(path,uid,gid,true)}),fchown:(function(fd,uid,gid){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}FS.chown(stream.node,uid,gid)}),truncate:(function(path,len){if(len<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}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(ERRNO_CODES.EPERM)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EISDIR)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var err=FS.nodePermissions(node,"w");if(err){throw new FS.ErrnoError(err)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})}),ftruncate:(function(fd,len){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}FS.truncate(stream.node,len)}),utime:(function(path,atime,mtime){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})}),open:(function(path,flags,mode,fd_start,fd_end){if(path===""){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}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(ERRNO_CODES.EEXIST)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}if(!created){var err=FS.mayOpen(node,flags);if(err){throw new FS.ErrnoError(err)}}if(flags&512){FS.truncate(node,0)}flags&=~(128|512);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false},fd_start,fd_end);if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1;Module["printErr"]("read file: "+path)}}try{if(FS.trackingDelegate["onOpenFile"]){var trackingFlags=0;if((flags&2097155)!==1){trackingFlags|=FS.tracking.openFlags.READ}if((flags&2097155)!==0){trackingFlags|=FS.tracking.openFlags.WRITE}FS.trackingDelegate["onOpenFile"](path,trackingFlags)}}catch(e){console.log("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: "+e.message)}return stream}),close:(function(stream){if(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)}}),llseek:(function(stream,offset,whence){if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position}),read:(function(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EISDIR)}if(!stream.stream_ops.read){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var seeking=typeof position!=="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead}),write:(function(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EISDIR)}if(!stream.stream_ops.write){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if(stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!=="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;try{if(stream.path&&FS.trackingDelegate["onWriteToFile"])FS.trackingDelegate["onWriteToFile"](stream.path)}catch(e){console.log("FS.trackingDelegate['onWriteToFile']('"+path+"') threw an exception: "+e.message)}return bytesWritten}),allocate:(function(stream,offset,length){if(offset<0||length<=0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP)}stream.stream_ops.allocate(stream,offset,length)}),mmap:(function(stream,buffer,offset,length,position,prot,flags){if((stream.flags&2097155)===1){throw new FS.ErrnoError(ERRNO_CODES.EACCES)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}return stream.stream_ops.mmap(stream,buffer,offset,length,position,prot,flags)}),msync:(function(stream,buffer,offset,length,mmapFlags){if(!stream||!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)}),munmap:(function(stream){return 0}),ioctl:(function(stream,cmd,arg){if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(ERRNO_CODES.ENOTTY)}return stream.stream_ops.ioctl(stream,cmd,arg)}),readFile:(function(path,opts){opts=opts||{};opts.flags=opts.flags||"r";opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret}),writeFile:(function(path,data,opts){opts=opts||{};opts.flags=opts.flags||"w";var stream=FS.open(path,opts.flags,opts.mode);if(typeof data==="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)}),cwd:(function(){return FS.currentPath}),chdir:(function(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}var err=FS.nodePermissions(lookup.node,"x");if(err){throw new FS.ErrnoError(err)}FS.currentPath=lookup.path}),createDefaultDirectories:(function(){FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")}),createDefaultDevices:(function(){FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:(function(){return 0}),write:(function(stream,buffer,offset,length,pos){return length})});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var random_device;if(typeof crypto!=="undefined"){var randomBuffer=new Uint8Array(1);random_device=(function(){crypto.getRandomValues(randomBuffer);return randomBuffer[0]})}else if(ENVIRONMENT_IS_NODE){random_device=(function(){return require("crypto")["randomBytes"](1)[0]})}else{random_device=(function(){return Math.random()*256|0})}FS.createDevice("/dev","random",random_device);FS.createDevice("/dev","urandom",random_device);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")}),createSpecialDirectories:(function(){FS.mkdir("/proc");FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount:(function(){var node=FS.createNode("/proc/self","fd",16384|511,73);node.node_ops={lookup:(function(parent,name){var fd=+name;var stream=FS.getStream(fd);if(!stream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:(function(){return stream.path})}};ret.parent=ret;return ret})};return node})},{},"/proc/self/fd")}),createStandardStreams:(function(){if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin","r");assert(stdin.fd===0,"invalid handle for stdin ("+stdin.fd+")");var stdout=FS.open("/dev/stdout","w");assert(stdout.fd===1,"invalid handle for stdout ("+stdout.fd+")");var stderr=FS.open("/dev/stderr","w");assert(stderr.fd===2,"invalid handle for stderr ("+stderr.fd+")")}),ensureErrnoError:(function(){if(FS.ErrnoError)return;FS.ErrnoError=function ErrnoError(errno,node){this.node=node;this.setErrno=(function(errno){this.errno=errno;for(var key in ERRNO_CODES){if(ERRNO_CODES[key]===errno){this.code=key;break}}});this.setErrno(errno);this.message=ERRNO_MESSAGES[errno];if(this.stack)Object.defineProperty(this,"stack",{value:(new Error).stack,writable:true})};FS.ErrnoError.prototype=new Error;FS.ErrnoError.prototype.constructor=FS.ErrnoError;[ERRNO_CODES.ENOENT].forEach((function(code){FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack="<generic error, no stack>"}))}),staticInit:(function(){FS.ensureErrnoError();FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS,"IDBFS":IDBFS,"NODEFS":NODEFS,"WORKERFS":WORKERFS}}),init:(function(input,output,error){assert(!FS.init.initialized,"FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");FS.init.initialized=true;FS.ensureErrnoError();Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()}),quit:(function(){FS.init.initialized=false;var fflush=Module["_fflush"];if(fflush)fflush(0);for(var i=0;i<FS.streams.length;i++){var stream=FS.streams[i];if(!stream){continue}FS.close(stream)}}),getMode:(function(canRead,canWrite){var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode}),joinPath:(function(parts,forceRelative){var path=PATH.join.apply(null,parts);if(forceRelative&&path[0]=="/")path=path.substr(1);return path}),absolutePath:(function(relative,base){return PATH.resolve(base,relative)}),standardizePath:(function(path){return PATH.normalize(path)}),findObject:(function(path,dontResolveLastLink){var ret=FS.analyzePath(path,dontResolveLastLink);if(ret.exists){return ret.object}else{___setErrNo(ret.error);return null}}),analyzePath:(function(path,dontResolveLastLink){try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret}),createFolder:(function(parent,name,canRead,canWrite){var path=PATH.join2(typeof parent==="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.mkdir(path,mode)}),createPath:(function(parent,path,canRead,canWrite){parent=typeof parent==="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){}parent=current}return current}),createFile:(function(parent,name,properties,canRead,canWrite){var path=PATH.join2(typeof parent==="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(canRead,canWrite);return FS.create(path,mode)}),createDataFile:(function(parent,name,data,canRead,canWrite,canOwn){var path=name?PATH.join2(typeof parent==="string"?parent:FS.getPath(parent),name):parent;var mode=FS.getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data==="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i<len;++i)arr[i]=data.charCodeAt(i);data=arr}FS.chmod(node,mode|146);var stream=FS.open(node,"w");FS.write(stream,data,0,data.length,0,canOwn);FS.close(stream);FS.chmod(node,mode)}return node}),createDevice:(function(parent,name,input,output){var path=PATH.join2(typeof parent==="string"?parent:FS.getPath(parent),name);var mode=FS.getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open:(function(stream){stream.seekable=false}),close:(function(stream){if(output&&output.buffer&&output.buffer.length){output(10)}}),read:(function(stream,buffer,offset,length,pos){var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=input()}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EIO)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(ERRNO_CODES.EAGAIN)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead}),write:(function(stream,buffer,offset,length,pos){for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EIO)}}if(length){stream.node.timestamp=Date.now()}return i})});return FS.mkdev(path,mode,dev)}),createLink:(function(parent,name,target,canRead,canWrite){var path=PATH.join2(typeof parent==="string"?parent:FS.getPath(parent),name);return FS.symlink(target,path)}),forceLoadFile:(function(obj){if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;var success=true;if(typeof XMLHttpRequest!=="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else if(Module["read"]){try{obj.contents=intArrayFromString(Module["read"](obj.url),true);obj.usedBytes=obj.contents.length}catch(e){success=false}}else{throw new Error("Cannot load without read() or XMLHttpRequest.")}if(!success)___setErrNo(ERRNO_CODES.EIO);return success}),createLazyFile:(function(parent,name,url,canRead,canWrite){function LazyUint8Array(){this.lengthKnown=false;this.chunks=[]}LazyUint8Array.prototype.get=function LazyUint8Array_get(idx){if(idx>this.length-1||idx<0){return undefined}var chunkOffset=idx%this.chunkSize;var chunkNum=idx/this.chunkSize|0;return this.getter(chunkNum)[chunkOffset]};LazyUint8Array.prototype.setDataGetter=function LazyUint8Array_setDataGetter(getter){this.getter=getter};LazyUint8Array.prototype.cacheLength=function LazyUint8Array_cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(function(from,to){if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);if(typeof Uint8Array!="undefined")xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}else{return intArrayFromString(xhr.responseText||"",true)}});var lazyArray=this;lazyArray.setDataGetter((function(chunkNum){var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]==="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]==="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]}));if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;console.log("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!=="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;Object.defineProperties(lazyArray,{length:{get:(function(){if(!this.lengthKnown){this.cacheLength()}return this._length})},chunkSize:{get:(function(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize})}});var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:(function(){return this.contents.length})}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach((function(key){var fn=node.stream_ops[key];stream_ops[key]=function forceLoadLazyFile(){if(!FS.forceLoadFile(node)){throw new FS.ErrnoError(ERRNO_CODES.EIO)}return fn.apply(null,arguments)}}));stream_ops.read=function stream_ops_read(stream,buffer,offset,length,position){if(!FS.forceLoadFile(node)){throw new FS.ErrnoError(ERRNO_CODES.EIO)}var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);assert(size>=0);if(contents.slice){for(var i=0;i<size;i++){buffer[offset+i]=contents[position+i]}}else{for(var i=0;i<size;i++){buffer[offset+i]=contents.get(position+i)}}return size};node.stream_ops=stream_ops;return node}),createPreloadedFile:(function(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish){Browser.init();var fullname=name?PATH.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency("cp "+fullname);function processData(byteArray){function finish(byteArray){if(preFinish)preFinish();if(!dontCreateFile){FS.createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}if(onload)onload();removeRunDependency(dep)}var handled=false;Module["preloadPlugins"].forEach((function(plugin){if(handled)return;if(plugin["canHandle"](fullname)){plugin["handle"](byteArray,fullname,finish,(function(){if(onerror)onerror();removeRunDependency(dep)}));handled=true}}));if(!handled)finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){Browser.asyncLoad(url,(function(byteArray){processData(byteArray)}),onerror)}else{processData(url)}}),indexedDB:(function(){return window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB}),DB_NAME:(function(){return"EM_FS_"+window.location.pathname}),DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(function(paths,onload,onerror){onload=onload||(function(){});onerror=onerror||(function(){});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=function openRequest_onupgradeneeded(){console.log("creating db");var db=openRequest.result;db.createObjectStore(FS.DB_STORE_NAME)};openRequest.onsuccess=function openRequest_onsuccess(){var db=openRequest.result;var transaction=db.transaction([FS.DB_STORE_NAME],"readwrite");var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach((function(path){var putRequest=files.put(FS.analyzePath(path).object.contents,path);putRequest.onsuccess=function putRequest_onsuccess(){ok++;if(ok+fail==total)finish()};putRequest.onerror=function putRequest_onerror(){fail++;if(ok+fail==total)finish()}}));transaction.onerror=onerror};openRequest.onerror=onerror}),loadFilesFromDB:(function(paths,onload,onerror){onload=onload||(function(){});onerror=onerror||(function(){});var indexedDB=FS.indexedDB();try{var openRequest=indexedDB.open(FS.DB_NAME(),FS.DB_VERSION)}catch(e){return onerror(e)}openRequest.onupgradeneeded=onerror;openRequest.onsuccess=function openRequest_onsuccess(){var db=openRequest.result;try{var transaction=db.transaction([FS.DB_STORE_NAME],"readonly")}catch(e){onerror(e);return}var files=transaction.objectStore(FS.DB_STORE_NAME);var ok=0,fail=0,total=paths.length;function finish(){if(fail==0)onload();else onerror()}paths.forEach((function(path){var getRequest=files.get(path);getRequest.onsuccess=function getRequest_onsuccess(){if(FS.analyzePath(path).exists){FS.unlink(path)}FS.createDataFile(PATH.dirname(path),PATH.basename(path),getRequest.result,true,true,true);ok++;if(ok+fail==total)finish()};getRequest.onerror=function getRequest_onerror(){fail++;if(ok+fail==total)finish()}}));transaction.onerror=onerror};openRequest.onerror=onerror})};var SYSCALLS={DEFAULT_POLLMASK:5,mappings:{},umask:511,calculateAt:(function(dirfd,path){if(path[0]!=="/"){var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=FS.getStream(dirfd);if(!dirstream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);dir=dirstream.path}path=PATH.join2(dir,path)}return path}),doStat:(function(func,path,buf){try{var stat=func(path)}catch(e){if(e&&e.node&&PATH.normalize(path)!==PATH.normalize(FS.getPath(e.node))){return-ERRNO_CODES.ENOTDIR}throw e}HEAP32[buf>>2]=stat.dev;HEAP32[buf+4>>2]=0;HEAP32[buf+8>>2]=stat.ino;HEAP32[buf+12>>2]=stat.mode;HEAP32[buf+16>>2]=stat.nlink;HEAP32[buf+20>>2]=stat.uid;HEAP32[buf+24>>2]=stat.gid;HEAP32[buf+28>>2]=stat.rdev;HEAP32[buf+32>>2]=0;HEAP32[buf+36>>2]=stat.size;HEAP32[buf+40>>2]=4096;HEAP32[buf+44>>2]=stat.blocks;HEAP32[buf+48>>2]=stat.atime.getTime()/1e3|0;HEAP32[buf+52>>2]=0;HEAP32[buf+56>>2]=stat.mtime.getTime()/1e3|0;HEAP32[buf+60>>2]=0;HEAP32[buf+64>>2]=stat.ctime.getTime()/1e3|0;HEAP32[buf+68>>2]=0;HEAP32[buf+72>>2]=stat.ino;return 0}),doMsync:(function(addr,stream,len,flags){var buffer=new Uint8Array(HEAPU8.subarray(addr,addr+len));FS.msync(stream,buffer,0,len,flags)}),doMkdir:(function(path,mode){path=PATH.normalize(path);if(path[path.length-1]==="/")path=path.substr(0,path.length-1);FS.mkdir(path,mode,0);return 0}),doMknod:(function(path,mode,dev){switch(mode&61440){case 32768:case 8192:case 24576:case 4096:case 49152:break;default:return-ERRNO_CODES.EINVAL}FS.mknod(path,mode,dev);return 0}),doReadlink:(function(path,buf,bufsize){if(bufsize<=0)return-ERRNO_CODES.EINVAL;var ret=FS.readlink(path);var len=Math.min(bufsize,lengthBytesUTF8(ret));var endChar=HEAP8[buf+len];stringToUTF8(ret,buf,bufsize+1);HEAP8[buf+len]=endChar;return len}),doAccess:(function(path,amode){if(amode&~7){return-ERRNO_CODES.EINVAL}var node;var lookup=FS.lookupPath(path,{follow:true});node=lookup.node;var perms="";if(amode&4)perms+="r";if(amode&2)perms+="w";if(amode&1)perms+="x";if(perms&&FS.nodePermissions(node,perms)){return-ERRNO_CODES.EACCES}return 0}),doDup:(function(path,flags,suggestFD){var suggest=FS.getStream(suggestFD);if(suggest)FS.close(suggest);return FS.open(path,flags,0,suggestFD,suggestFD).fd}),doReadv:(function(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAP32[iov+i*8>>2];var len=HEAP32[iov+(i*8+4)>>2];var curr=FS.read(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr<len)break}return ret}),doWritev:(function(stream,iov,iovcnt,offset){var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAP32[iov+i*8>>2];var len=HEAP32[iov+(i*8+4)>>2];var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr}return ret}),varargs:0,get:(function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret}),getStr:(function(){var ret=Pointer_stringify(SYSCALLS.get());return ret}),getStreamFromFD:(function(){var stream=FS.getStream(SYSCALLS.get());if(!stream)throw new FS.ErrnoError(ERRNO_CODES.EBADF);return stream}),getSocketFromFD:(function(){var socket=SOCKFS.getSocket(SYSCALLS.get());if(!socket)throw new FS.ErrnoError(ERRNO_CODES.EBADF);return socket}),getSocketAddress:(function(allowNull){var addrp=SYSCALLS.get(),addrlen=SYSCALLS.get();if(allowNull&&addrp===0)return null;var info=__read_sockaddr(addrp,addrlen);if(info.errno)throw new FS.ErrnoError(info.errno);info.addr=DNS.lookup_addr(info.addr)||info.addr;return info}),get64:(function(){var low=SYSCALLS.get(),high=SYSCALLS.get();if(low>=0)assert(high===0);else assert(high===-1);return low}),getZero:(function(){assert(SYSCALLS.get()===0)})};function ___syscall140(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),offset_high=SYSCALLS.get(),offset_low=SYSCALLS.get(),result=SYSCALLS.get(),whence=SYSCALLS.get();var offset=offset_low;FS.llseek(stream,offset,whence);HEAP32[result>>2]=stream.position;if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall145(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();return SYSCALLS.doReadv(stream,iov,iovcnt)}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall146(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),iov=SYSCALLS.get(),iovcnt=SYSCALLS.get();return SYSCALLS.doWritev(stream,iov,iovcnt)}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall221(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),cmd=SYSCALLS.get();switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-ERRNO_CODES.EINVAL}var newStream;newStream=FS.open(stream.path,stream.flags,0,arg);return newStream.fd};case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=SYSCALLS.get();stream.flags|=arg;return 0};case 12:case 12:{var arg=SYSCALLS.get();var offset=0;HEAP16[arg+offset>>1]=2;return 0};case 13:case 14:case 13:case 14:return 0;case 16:case 8:return-ERRNO_CODES.EINVAL;case 9:___setErrNo(ERRNO_CODES.EINVAL);return-1;default:{return-ERRNO_CODES.EINVAL}}}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall5(which,varargs){SYSCALLS.varargs=varargs;try{var pathname=SYSCALLS.getStr(),flags=SYSCALLS.get(),mode=SYSCALLS.get();var stream=FS.open(pathname,flags,mode);return stream.fd}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall54(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(),op=SYSCALLS.get();switch(op){case 21509:case 21505:{if(!stream.tty)return-ERRNO_CODES.ENOTTY;return 0};case 21510:case 21511:case 21512:case 21506:case 21507:case 21508:{if(!stream.tty)return-ERRNO_CODES.ENOTTY;return 0};case 21519:{if(!stream.tty)return-ERRNO_CODES.ENOTTY;var argp=SYSCALLS.get();HEAP32[argp>>2]=0;return 0};case 21520:{if(!stream.tty)return-ERRNO_CODES.ENOTTY;return-ERRNO_CODES.EINVAL};case 21531:{var argp=SYSCALLS.get();return FS.ioctl(stream,op,argp)};case 21523:{if(!stream.tty)return-ERRNO_CODES.ENOTTY;return 0};default:abort("bad ioctl syscall "+op)}}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___syscall6(which,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD();FS.close(stream);return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return-e.errno}}function ___unlock(){}function _emscripten_get_now(){abort()}function _emscripten_get_now_is_monotonic(){return ENVIRONMENT_IS_NODE||typeof dateNow!=="undefined"||(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)&&self["performance"]&&self["performance"]["now"]}function _clock_gettime(clk_id,tp){var now;if(clk_id===0){now=Date.now()}else if(clk_id===1&&_emscripten_get_now_is_monotonic()){now=_emscripten_get_now()}else{___setErrNo(ERRNO_CODES.EINVAL);return-1}HEAP32[tp>>2]=now/1e3|0;HEAP32[tp+4>>2]=now%1e3*1e3*1e3|0;return 0}var DLFCN={error:null,errorMsg:null,loadedLibs:{},loadedLibNames:{}};function _dlclose(handle){if(!DLFCN.loadedLibs[handle]){DLFCN.errorMsg="Tried to dlclose() unopened handle: "+handle;return 1}else{var lib_record=DLFCN.loadedLibs[handle];if(--lib_record.refcount==0){if(lib_record.module.cleanups){lib_record.module.cleanups.forEach((function(cleanup){cleanup()}))}delete DLFCN.loadedLibNames[lib_record.name];delete DLFCN.loadedLibs[handle]}return 0}}function _dlerror(){if(DLFCN.errorMsg===null){return 0}else{if(DLFCN.error)_free(DLFCN.error);var msgArr=intArrayFromString(DLFCN.errorMsg);DLFCN.error=allocate(msgArr,"i8",ALLOC_NORMAL);DLFCN.errorMsg=null;return DLFCN.error}}function _dlsym(handle,symbol){symbol=Pointer_stringify(symbol);if(!DLFCN.loadedLibs[handle]){DLFCN.errorMsg="Tried to dlsym() from an unopened handle: "+handle;return 0}else{var lib=DLFCN.loadedLibs[handle];symbol="_"+symbol;if(lib.cached_functions.hasOwnProperty(symbol)){return lib.cached_functions[symbol]}if(!lib.module.hasOwnProperty(symbol)){DLFCN.errorMsg='Tried to lookup unknown symbol "'+symbol+'" in dynamic lib: '+lib.name;return 0}else{var result=lib.module[symbol];if(typeof result=="function"){result=addFunction(result);lib.cached_functions=result}return result}}}function _emscripten_set_main_loop_timing(mode,value){Browser.mainLoop.timingMode=mode;Browser.mainLoop.timingValue=value;if(!Browser.mainLoop.func){return 1}if(mode==0){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_setTimeout(){var timeUntilNextTick=Math.max(0,Browser.mainLoop.tickStartTime+value-_emscripten_get_now())|0;setTimeout(Browser.mainLoop.runner,timeUntilNextTick)};Browser.mainLoop.method="timeout"}else if(mode==1){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_rAF(){Browser.requestAnimationFrame(Browser.mainLoop.runner)};Browser.mainLoop.method="rAF"}else if(mode==2){if(typeof setImmediate==="undefined"){var setImmediates=[];var emscriptenMainLoopMessageId="setimmediate";function Browser_setImmediate_messageHandler(event){if(event.data===emscriptenMainLoopMessageId||event.data.target===emscriptenMainLoopMessageId){event.stopPropagation();setImmediates.shift()()}}addEventListener("message",Browser_setImmediate_messageHandler,true);setImmediate=function Browser_emulated_setImmediate(func){setImmediates.push(func);if(ENVIRONMENT_IS_WORKER){if(Module["setImmediates"]===undefined)Module["setImmediates"]=[];Module["setImmediates"].push(func);postMessage({target:emscriptenMainLoopMessageId})}else postMessage(emscriptenMainLoopMessageId,"*")}}Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_setImmediate(){setImmediate(Browser.mainLoop.runner)};Browser.mainLoop.method="immediate"}return 0}function _emscripten_set_main_loop(func,fps,simulateInfiniteLoop,arg,noSetTiming){Module["noExitRuntime"]=true;assert(!Browser.mainLoop.func,"emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");Browser.mainLoop.func=func;Browser.mainLoop.arg=arg;var browserIterationFunc;if(typeof arg!=="undefined"){browserIterationFunc=(function(){Module["dynCall_vi"](func,arg)})}else{browserIterationFunc=(function(){Module["dynCall_v"](func)})}var thisMainLoopId=Browser.mainLoop.currentlyRunningMainloop;Browser.mainLoop.runner=function Browser_mainLoop_runner(){if(ABORT)return;if(Browser.mainLoop.queue.length>0){var start=Date.now();var blocker=Browser.mainLoop.queue.shift();blocker.func(blocker.arg);if(Browser.mainLoop.remainingBlockers){var remaining=Browser.mainLoop.remainingBlockers;var next=remaining%1==0?remaining-1:Math.floor(remaining);if(blocker.counted){Browser.mainLoop.remainingBlockers=next}else{next=next+.5;Browser.mainLoop.remainingBlockers=(8*remaining+next)/9}}console.log('main loop blocker "'+blocker.name+'" took '+(Date.now()-start)+" ms");Browser.mainLoop.updateStatus();if(thisMainLoopId<Browser.mainLoop.currentlyRunningMainloop)return;setTimeout(Browser.mainLoop.runner,0);return}if(thisMainLoopId<Browser.mainLoop.currentlyRunningMainloop)return;Browser.mainLoop.currentFrameNumber=Browser.mainLoop.currentFrameNumber+1|0;if(Browser.mainLoop.timingMode==1&&Browser.mainLoop.timingValue>1&&Browser.mainLoop.currentFrameNumber%Browser.mainLoop.timingValue!=0){Browser.mainLoop.scheduler();return}else if(Browser.mainLoop.timingMode==0){Browser.mainLoop.tickStartTime=_emscripten_get_now()}if(Browser.mainLoop.method==="timeout"&&Module.ctx){Module.printErr("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!");Browser.mainLoop.method=""}Browser.mainLoop.runIter(browserIterationFunc);if(thisMainLoopId<Browser.mainLoop.currentlyRunningMainloop)return;if(typeof SDL==="object"&&SDL.audio&&SDL.audio.queueNewAudioData)SDL.audio.queueNewAudioData();Browser.mainLoop.scheduler()};if(!noSetTiming){if(fps&&fps>0)_emscripten_set_main_loop_timing(0,1e3/fps);else _emscripten_set_main_loop_timing(1,1);Browser.mainLoop.scheduler()}if(simulateInfiniteLoop){throw"SimulateInfiniteLoop"}}var Browser={mainLoop:{scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:(function(){Browser.mainLoop.scheduler=null;Browser.mainLoop.currentlyRunningMainloop++}),resume:(function(){Browser.mainLoop.currentlyRunningMainloop++;var timingMode=Browser.mainLoop.timingMode;var timingValue=Browser.mainLoop.timingValue;var func=Browser.mainLoop.func;Browser.mainLoop.func=null;_emscripten_set_main_loop(func,0,false,Browser.mainLoop.arg,true);_emscripten_set_main_loop_timing(timingMode,timingValue);Browser.mainLoop.scheduler()}),updateStatus:(function(){if(Module["setStatus"]){var message=Module["statusMessage"]||"Please wait...";var remaining=Browser.mainLoop.remainingBlockers;var expected=Browser.mainLoop.expectedBlockers;if(remaining){if(remaining<expected){Module["setStatus"](message+" ("+(expected-remaining)+"/"+expected+")")}else{Module["setStatus"](message)}}else{Module["setStatus"]("")}}}),runIter:(function(func){if(ABORT)return;if(Module["preMainLoop"]){var preRet=Module["preMainLoop"]();if(preRet===false){return}}try{func()}catch(e){if(e instanceof ExitStatus){return}else{if(e&&typeof e==="object"&&e.stack)Module.printErr("exception thrown: "+[e,e.stack]);throw e}}if(Module["postMainLoop"])Module["postMainLoop"]()})},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:(function(){if(!Module["preloadPlugins"])Module["preloadPlugins"]=[];if(Browser.initted)return;Browser.initted=true;try{new Blob;Browser.hasBlobConstructor=true}catch(e){Browser.hasBlobConstructor=false;console.log("warning: no blob constructor, cannot create blobs with mimetypes")}Browser.BlobBuilder=typeof MozBlobBuilder!="undefined"?MozBlobBuilder:typeof WebKitBlobBuilder!="undefined"?WebKitBlobBuilder:!Browser.hasBlobConstructor?console.log("warning: no BlobBuilder"):null;Browser.URLObject=typeof window!="undefined"?window.URL?window.URL:window.webkitURL:undefined;if(!Module.noImageDecoding&&typeof Browser.URLObject==="undefined"){console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");Module.noImageDecoding=true}var imagePlugin={};imagePlugin["canHandle"]=function imagePlugin_canHandle(name){return!Module.noImageDecoding&&/\.(jpg|jpeg|png|bmp)$/i.test(name)};imagePlugin["handle"]=function imagePlugin_handle(byteArray,name,onload,onerror){var b=null;if(Browser.hasBlobConstructor){try{b=new Blob([byteArray],{type:Browser.getMimetype(name)});if(b.size!==byteArray.length){b=new Blob([(new Uint8Array(byteArray)).buffer],{type:Browser.getMimetype(name)})}}catch(e){warnOnce("Blob constructor present but fails: "+e+"; falling back to blob builder")}}if(!b){var bb=new Browser.BlobBuilder;bb.append((new Uint8Array(byteArray)).buffer);b=bb.getBlob()}var url=Browser.URLObject.createObjectURL(b);var img=new Image;img.onload=function img_onload(){assert(img.complete,"Image "+name+" could not be decoded");var canvas=document.createElement("canvas");canvas.width=img.width;canvas.height=img.height;var ctx=canvas.getContext("2d");ctx.drawImage(img,0,0);Module["preloadedImages"][name]=canvas;Browser.URLObject.revokeObjectURL(url);if(onload)onload(byteArray)};img.onerror=function img_onerror(event){console.log("Image "+url+" could not be decoded");if(onerror)onerror()};img.src=url};Module["preloadPlugins"].push(imagePlugin);var audioPlugin={};audioPlugin["canHandle"]=function audioPlugin_canHandle(name){return!Module.noAudioDecoding&&name.substr(-4)in{".ogg":1,".wav":1,".mp3":1}};audioPlugin["handle"]=function audioPlugin_handle(byteArray,name,onload,onerror){var done=false;function finish(audio){if(done)return;done=true;Module["preloadedAudios"][name]=audio;if(onload)onload(byteArray)}function fail(){if(done)return;done=true;Module["preloadedAudios"][name]=new Audio;if(onerror)onerror()}if(Browser.hasBlobConstructor){try{var b=new Blob([byteArray],{type:Browser.getMimetype(name)})}catch(e){return fail()}var url=Browser.URLObject.createObjectURL(b);var audio=new Audio;audio.addEventListener("canplaythrough",(function(){finish(audio)}),false);audio.onerror=function audio_onerror(event){if(done)return;console.log("warning: browser could not fully decode audio "+name+", trying slower base64 approach");function encode64(data){var BASE="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var PAD="=";var ret="";var leftchar=0;var leftbits=0;for(var i=0;i<data.length;i++){leftchar=leftchar<<8|data[i];leftbits+=8;while(leftbits>=6){var curr=leftchar>>leftbits-6&63;leftbits-=6;ret+=BASE[curr]}}if(leftbits==2){ret+=BASE[(leftchar&3)<<4];ret+=PAD+PAD}else if(leftbits==4){ret+=BASE[(leftchar&15)<<2];ret+=PAD}return ret}audio.src="data:audio/x-"+name.substr(-3)+";base64,"+encode64(byteArray);finish(audio)};audio.src=url;Browser.safeSetTimeout((function(){finish(audio)}),1e4)}else{return fail()}};Module["preloadPlugins"].push(audioPlugin);function pointerLockChange(){Browser.pointerLock=document["pointerLockElement"]===Module["canvas"]||document["mozPointerLockElement"]===Module["canvas"]||document["webkitPointerLockElement"]===Module["canvas"]||document["msPointerLockElement"]===Module["canvas"]}var canvas=Module["canvas"];if(canvas){canvas.requestPointerLock=canvas["requestPointerLock"]||canvas["mozRequestPointerLock"]||canvas["webkitRequestPointerLock"]||canvas["msRequestPointerLock"]||(function(){});canvas.exitPointerLock=document["exitPointerLock"]||document["mozExitPointerLock"]||document["webkitExitPointerLock"]||document["msExitPointerLock"]||(function(){});canvas.exitPointerLock=canvas.exitPointerLock.bind(document);document.addEventListener("pointerlockchange",pointerLockChange,false);document.addEventListener("mozpointerlockchange",pointerLockChange,false);document.addEventListener("webkitpointerlockchange",pointerLockChange,false);document.addEventListener("mspointerlockchange",pointerLockChange,false);if(Module["elementPointerLock"]){canvas.addEventListener("click",(function(ev){if(!Browser.pointerLock&&Module["canvas"].requestPointerLock){Module["canvas"].requestPointerLock();ev.preventDefault()}}),false)}}}),createContext:(function(canvas,useWebGL,setInModule,webGLContextAttributes){if(useWebGL&&Module.ctx&&canvas==Module.canvas)return Module.ctx;var ctx;var contextHandle;if(useWebGL){var contextAttributes={antialias:false,alpha:false};if(webGLContextAttributes){for(var attribute in webGLContextAttributes){contextAttributes[attribute]=webGLContextAttributes[attribute]}}contextHandle=GL.createContext(canvas,contextAttributes);if(contextHandle){ctx=GL.getContext(contextHandle).GLctx}}else{ctx=canvas.getContext("2d")}if(!ctx)return null;if(setInModule){if(!useWebGL)assert(typeof GLctx==="undefined","cannot set in module if GLctx is used, but we are a non-GL context that would replace it");Module.ctx=ctx;if(useWebGL)GL.makeContextCurrent(contextHandle);Module.useWebGL=useWebGL;Browser.moduleContextCreatedCallbacks.forEach((function(callback){callback()}));Browser.init()}return ctx}),destroyContext:(function(canvas,useWebGL,setInModule){}),fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:(function(lockPointer,resizeCanvas,vrDevice){Browser.lockPointer=lockPointer;Browser.resizeCanvas=resizeCanvas;Browser.vrDevice=vrDevice;if(typeof Browser.lockPointer==="undefined")Browser.lockPointer=true;if(typeof Browser.resizeCanvas==="undefined")Browser.resizeCanvas=false;if(typeof Browser.vrDevice==="undefined")Browser.vrDevice=null;var canvas=Module["canvas"];function fullscreenChange(){Browser.isFullscreen=false;var canvasContainer=canvas.parentNode;if((document["fullscreenElement"]||document["mozFullScreenElement"]||document["msFullscreenElement"]||document["webkitFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvasContainer){canvas.exitFullscreen=document["exitFullscreen"]||document["cancelFullScreen"]||document["mozCancelFullScreen"]||document["msExitFullscreen"]||document["webkitCancelFullScreen"]||(function(){});canvas.exitFullscreen=canvas.exitFullscreen.bind(document);if(Browser.lockPointer)canvas.requestPointerLock();Browser.isFullscreen=true;if(Browser.resizeCanvas)Browser.setFullscreenCanvasSize()}else{canvasContainer.parentNode.insertBefore(canvas,canvasContainer);canvasContainer.parentNode.removeChild(canvasContainer);if(Browser.resizeCanvas)Browser.setWindowedCanvasSize()}if(Module["onFullScreen"])Module["onFullScreen"](Browser.isFullscreen);if(Module["onFullscreen"])Module["onFullscreen"](Browser.isFullscreen);Browser.updateCanvasDimensions(canvas)}if(!Browser.fullscreenHandlersInstalled){Browser.fullscreenHandlersInstalled=true;document.addEventListener("fullscreenchange",fullscreenChange,false);document.addEventListener("mozfullscreenchange",fullscreenChange,false);document.addEventListener("webkitfullscreenchange",fullscreenChange,false);document.addEventListener("MSFullscreenChange",fullscreenChange,false)}var canvasContainer=document.createElement("div");canvas.parentNode.insertBefore(canvasContainer,canvas);canvasContainer.appendChild(canvas);canvasContainer.requestFullscreen=canvasContainer["requestFullscreen"]||canvasContainer["mozRequestFullScreen"]||canvasContainer["msRequestFullscreen"]||(canvasContainer["webkitRequestFullscreen"]?(function(){canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"])}):null)||(canvasContainer["webkitRequestFullScreen"]?(function(){canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"])}):null);if(vrDevice){canvasContainer.requestFullscreen({vrDisplay:vrDevice})}else{canvasContainer.requestFullscreen()}}),requestFullScreen:(function(lockPointer,resizeCanvas,vrDevice){Module.printErr("Browser.requestFullScreen() is deprecated. Please call Browser.requestFullscreen instead.");Browser.requestFullScreen=(function(lockPointer,resizeCanvas,vrDevice){return Browser.requestFullscreen(lockPointer,resizeCanvas,vrDevice)});return Browser.requestFullscreen(lockPointer,resizeCanvas,vrDevice)}),nextRAF:0,fakeRequestAnimationFrame:(function(func){var now=Date.now();if(Browser.nextRAF===0){Browser.nextRAF=now+1e3/60}else{while(now+2>=Browser.nextRAF){Browser.nextRAF+=1e3/60}}var delay=Math.max(Browser.nextRAF-now,0);setTimeout(func,delay)}),requestAnimationFrame:function requestAnimationFrame(func){if(typeof window==="undefined"){Browser.fakeRequestAnimationFrame(func)}else{if(!window.requestAnimationFrame){window.requestAnimationFrame=window["requestAnimationFrame"]||window["mozRequestAnimationFrame"]||window["webkitRequestAnimationFrame"]||window["msRequestAnimationFrame"]||window["oRequestAnimationFrame"]||Browser.fakeRequestAnimationFrame}window.requestAnimationFrame(func)}},safeCallback:(function(func){return(function(){if(!ABORT)return func.apply(null,arguments)})}),allowAsyncCallbacks:true,queuedAsyncCallbacks:[],pauseAsyncCallbacks:(function(){Browser.allowAsyncCallbacks=false}),resumeAsyncCallbacks:(function(){Browser.allowAsyncCallbacks=true;if(Browser.queuedAsyncCallbacks.length>0){var callbacks=Browser.queuedAsyncCallbacks;Browser.queuedAsyncCallbacks=[];callbacks.forEach((function(func){func()}))}}),safeRequestAnimationFrame:(function(func){return Browser.requestAnimationFrame((function(){if(ABORT)return;if(Browser.allowAsyncCallbacks){func()}else{Browser.queuedAsyncCallbacks.push(func)}}))}),safeSetTimeout:(function(func,timeout){Module["noExitRuntime"]=true;return setTimeout((function(){if(ABORT)return;if(Browser.allowAsyncCallbacks){func()}else{Browser.queuedAsyncCallbacks.push(func)}}),timeout)}),safeSetInterval:(function(func,timeout){Module["noExitRuntime"]=true;return setInterval((function(){if(ABORT)return;if(Browser.allowAsyncCallbacks){func()}}),timeout)}),getMimetype:(function(name){return{"jpg":"image/jpeg","jpeg":"image/jpeg","png":"image/png","bmp":"image/bmp","ogg":"audio/ogg","wav":"audio/wav","mp3":"audio/mpeg"}[name.substr(name.lastIndexOf(".")+1)]}),getUserMedia:(function(func){if(!window.getUserMedia){window.getUserMedia=navigator["getUserMedia"]||navigator["mozGetUserMedia"]}window.getUserMedia(func)}),getMovementX:(function(event){return event["movementX"]||event["mozMovementX"]||event["webkitMovementX"]||0}),getMovementY:(function(event){return event["movementY"]||event["mozMovementY"]||event["webkitMovementY"]||0}),getMouseWheelDelta:(function(event){var delta=0;switch(event.type){case"DOMMouseScroll":delta=event.detail;break;case"mousewheel":delta=event.wheelDelta;break;case"wheel":delta=event["deltaY"];break;default:throw"unrecognized mouse wheel event: "+event.type}return delta}),mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:(function(event){if(Browser.pointerLock){if(event.type!="mousemove"&&"mozMovementX"in event){Browser.mouseMovementX=Browser.mouseMovementY=0}else{Browser.mouseMovementX=Browser.getMovementX(event);Browser.mouseMovementY=Browser.getMovementY(event)}if(typeof SDL!="undefined"){Browser.mouseX=SDL.mouseX+Browser.mouseMovementX;Browser.mouseY=SDL.mouseY+Browser.mouseMovementY}else{Browser.mouseX+=Browser.mouseMovementX;Browser.mouseY+=Browser.mouseMovementY}}else{var rect=Module["canvas"].getBoundingClientRect();var cw=Module["canvas"].width;var ch=Module["canvas"].height;var scrollX=typeof window.scrollX!=="undefined"?window.scrollX:window.pageXOffset;var scrollY=typeof window.scrollY!=="undefined"?window.scrollY:window.pageYOffset;if(event.type==="touchstart"||event.type==="touchend"||event.type==="touchmove"){var touch=event.touch;if(touch===undefined){return}var adjustedX=touch.pageX-(scrollX+rect.left);var adjustedY=touch.pageY-(scrollY+rect.top);adjustedX=adjustedX*(cw/rect.width);adjustedY=adjustedY*(ch/rect.height);var coords={x:adjustedX,y:adjustedY};if(event.type==="touchstart"){Browser.lastTouches[touch.identifier]=coords;Browser.touches[touch.identifier]=coords}else if(event.type==="touchend"||event.type==="touchmove"){var last=Browser.touches[touch.identifier];if(!last)last=coords;Browser.lastTouches[touch.identifier]=last;Browser.touches[touch.identifier]=coords}return}var x=event.pageX-(scrollX+rect.left);var y=event.pageY-(scrollY+rect.top);x=x*(cw/rect.width);y=y*(ch/rect.height);Browser.mouseMovementX=x-Browser.mouseX;Browser.mouseMovementY=y-Browser.mouseY;Browser.mouseX=x;Browser.mouseY=y}}),asyncLoad:(function(url,onload,onerror,noRunDep){var dep=!noRunDep?getUniqueRunDependency("al "+url):"";Module["readAsync"](url,(function(arrayBuffer){assert(arrayBuffer,'Loading data file "'+url+'" failed (no arrayBuffer).');onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)}),(function(event){if(onerror){onerror()}else{throw'Loading data file "'+url+'" failed.'}}));if(dep)addRunDependency(dep)}),resizeListeners:[],updateResizeListeners:(function(){var canvas=Module["canvas"];Browser.resizeListeners.forEach((function(listener){listener(canvas.width,canvas.height)}))}),setCanvasSize:(function(width,height,noUpdates){var canvas=Module["canvas"];Browser.updateCanvasDimensions(canvas,width,height);if(!noUpdates)Browser.updateResizeListeners()}),windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:(function(){if(typeof SDL!="undefined"){var flags=HEAPU32[SDL.screen>>2];flags=flags|8388608;HEAP32[SDL.screen>>2]=flags}Browser.updateResizeListeners()}),setWindowedCanvasSize:(function(){if(typeof SDL!="undefined"){var flags=HEAPU32[SDL.screen>>2];flags=flags&~8388608;HEAP32[SDL.screen>>2]=flags}Browser.updateResizeListeners()}),updateCanvasDimensions:(function(canvas,wNative,hNative){if(wNative&&hNative){canvas.widthNative=wNative;canvas.heightNative=hNative}else{wNative=canvas.widthNative;hNative=canvas.heightNative}var w=wNative;var h=hNative;if(Module["forcedAspectRatio"]&&Module["forcedAspectRatio"]>0){if(w/h<Module["forcedAspectRatio"]){w=Math.round(h*Module["forcedAspectRatio"])}else{h=Math.round(w/Module["forcedAspectRatio"])}}if((document["fullscreenElement"]||document["mozFullScreenElement"]||document["msFullscreenElement"]||document["webkitFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvas.parentNode&&typeof screen!="undefined"){var factor=Math.min(screen.width/w,screen.height/h);w=Math.round(w*factor);h=Math.round(h*factor)}if(Browser.resizeCanvas){if(canvas.width!=w)canvas.width=w;if(canvas.height!=h)canvas.height=h;if(typeof canvas.style!="undefined"){canvas.style.removeProperty("width");canvas.style.removeProperty("height")}}else{if(canvas.width!=wNative)canvas.width=wNative;if(canvas.height!=hNative)canvas.height=hNative;if(typeof canvas.style!="undefined"){if(w!=wNative||h!=hNative){canvas.style.setProperty("width",w+"px","important");canvas.style.setProperty("height",h+"px","important")}else{canvas.style.removeProperty("width");canvas.style.removeProperty("height")}}}}),wgetRequests:{},nextWgetRequestHandle:0,getNextWgetRequestHandle:(function(){var handle=Browser.nextWgetRequestHandle;Browser.nextWgetRequestHandle++;return handle})};var EGL={errorCode:12288,defaultDisplayInitialized:false,currentContext:0,currentReadSurface:0,currentDrawSurface:0,stringCache:{},setErrorCode:(function(code){EGL.errorCode=code}),chooseConfig:(function(display,attribList,config,config_size,numConfigs){if(display!=62e3){EGL.setErrorCode(12296);return 0}if((!config||!config_size)&&!numConfigs){EGL.setErrorCode(12300);return 0}if(numConfigs){HEAP32[numConfigs>>2]=1}if(config&&config_size>0){HEAP32[config>>2]=62002}EGL.setErrorCode(12288);return 1})};function _eglWaitClient(){EGL.setErrorCode(12288);return 1}function _eglBindAPI(api){if(api==12448){EGL.setErrorCode(12288);return 1}else{EGL.setErrorCode(12300);return 0}}function _eglChooseConfig(display,attrib_list,configs,config_size,numConfigs){return EGL.chooseConfig(display,attrib_list,configs,config_size,numConfigs)}var GLUT={initTime:null,idleFunc:null,displayFunc:null,keyboardFunc:null,keyboardUpFunc:null,specialFunc:null,specialUpFunc:null,reshapeFunc:null,motionFunc:null,passiveMotionFunc:null,mouseFunc:null,buttons:0,modifiers:0,initWindowWidth:256,initWindowHeight:256,initDisplayMode:18,windowX:0,windowY:0,windowWidth:0,windowHeight:0,requestedAnimationFrame:false,saveModifiers:(function(event){GLUT.modifiers=0;if(event["shiftKey"])GLUT.modifiers+=1;if(event["ctrlKey"])GLUT.modifiers+=2;if(event["altKey"])GLUT.modifiers+=4}),onMousemove:(function(event){var lastX=Browser.mouseX;var lastY=Browser.mouseY;Browser.calculateMouseEvent(event);var newX=Browser.mouseX;var newY=Browser.mouseY;if(newX==lastX&&newY==lastY)return;if(GLUT.buttons==0&&event.target==Module["canvas"]&&GLUT.passiveMotionFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_vii"](GLUT.passiveMotionFunc,lastX,lastY)}else if(GLUT.buttons!=0&&GLUT.motionFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_vii"](GLUT.motionFunc,lastX,lastY)}}),getSpecialKey:(function(keycode){var key=null;switch(keycode){case 8:key=120;break;case 46:key=111;break;case 112:key=1;break;case 113:key=2;break;case 114:key=3;break;case 115:key=4;break;case 116:key=5;break;case 117:key=6;break;case 118:key=7;break;case 119:key=8;break;case 120:key=9;break;case 121:key=10;break;case 122:key=11;break;case 123:key=12;break;case 37:key=100;break;case 38:key=101;break;case 39:key=102;break;case 40:key=103;break;case 33:key=104;break;case 34:key=105;break;case 36:key=106;break;case 35:key=107;break;case 45:key=108;break;case 16:case 5:key=112;break;case 6:key=113;break;case 17:case 3:key=114;break;case 4:key=115;break;case 18:case 2:key=116;break;case 1:key=117;break}return key}),getASCIIKey:(function(event){if(event["ctrlKey"]||event["altKey"]||event["metaKey"])return null;var keycode=event["keyCode"];if(48<=keycode&&keycode<=57)return keycode;if(65<=keycode&&keycode<=90)return event["shiftKey"]?keycode:keycode+32;if(96<=keycode&&keycode<=105)return keycode-48;if(106<=keycode&&keycode<=111)return keycode-106+42;switch(keycode){case 9:case 13:case 27:case 32:case 61:return keycode}var s=event["shiftKey"];switch(keycode){case 186:return s?58:59;case 187:return s?43:61;case 188:return s?60:44;case 189:return s?95:45;case 190:return s?62:46;case 191:return s?63:47;case 219:return s?123:91;case 220:return s?124:47;case 221:return s?125:93;case 222:return s?34:39}return null}),onKeydown:(function(event){if(GLUT.specialFunc||GLUT.keyboardFunc){var key=GLUT.getSpecialKey(event["keyCode"]);if(key!==null){if(GLUT.specialFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viii"](GLUT.specialFunc,key,Browser.mouseX,Browser.mouseY)}}else{key=GLUT.getASCIIKey(event);if(key!==null&&GLUT.keyboardFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viii"](GLUT.keyboardFunc,key,Browser.mouseX,Browser.mouseY)}}}}),onKeyup:(function(event){if(GLUT.specialUpFunc||GLUT.keyboardUpFunc){var key=GLUT.getSpecialKey(event["keyCode"]);if(key!==null){if(GLUT.specialUpFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viii"](GLUT.specialUpFunc,key,Browser.mouseX,Browser.mouseY)}}else{key=GLUT.getASCIIKey(event);if(key!==null&&GLUT.keyboardUpFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viii"](GLUT.keyboardUpFunc,key,Browser.mouseX,Browser.mouseY)}}}}),touchHandler:(function(event){if(event.target!=Module["canvas"]){return}var touches=event.changedTouches,main=touches[0],type="";switch(event.type){case"touchstart":type="mousedown";break;case"touchmove":type="mousemove";break;case"touchend":type="mouseup";break;default:return}var simulatedEvent=document.createEvent("MouseEvent");simulatedEvent.initMouseEvent(type,true,true,window,1,main.screenX,main.screenY,main.clientX,main.clientY,false,false,false,false,0,null);main.target.dispatchEvent(simulatedEvent);event.preventDefault()}),onMouseButtonDown:(function(event){Browser.calculateMouseEvent(event);GLUT.buttons|=1<<event["button"];if(event.target==Module["canvas"]&&GLUT.mouseFunc){try{event.target.setCapture()}catch(e){}event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viiii"](GLUT.mouseFunc,event["button"],0,Browser.mouseX,Browser.mouseY)}}),onMouseButtonUp:(function(event){Browser.calculateMouseEvent(event);GLUT.buttons&=~(1<<event["button"]);if(GLUT.mouseFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viiii"](GLUT.mouseFunc,event["button"],1,Browser.mouseX,Browser.mouseY)}}),onMouseWheel:(function(event){Browser.calculateMouseEvent(event);var e=window.event||event;var delta=-Browser.getMouseWheelDelta(event);delta=delta==0?0:delta>0?Math.max(delta,1):Math.min(delta,-1);var button=3;if(delta<0){button=4}if(GLUT.mouseFunc){event.preventDefault();GLUT.saveModifiers(event);Module["dynCall_viiii"](GLUT.mouseFunc,button,0,Browser.mouseX,Browser.mouseY)}}),onFullscreenEventChange:(function(event){var width;var height;if(document["fullscreen"]||document["fullScreen"]||document["mozFullScreen"]||document["webkitIsFullScreen"]){width=screen["width"];height=screen["height"]}else{width=GLUT.windowWidth;height=GLUT.windowHeight;document.removeEventListener("fullscreenchange",GLUT.onFullscreenEventChange,true);document.removeEventListener("mozfullscreenchange",GLUT.onFullscreenEventChange,true);document.removeEventListener("webkitfullscreenchange",GLUT.onFullscreenEventChange,true)}Browser.setCanvasSize(width,height);if(GLUT.reshapeFunc){Module["dynCall_vii"](GLUT.reshapeFunc,width,height)}_glutPostRedisplay()}),requestFullscreen:(function(){Browser.requestFullscreen(false,false)}),requestFullScreen:(function(){Module.printErr("GLUT.requestFullScreen() is deprecated. Please call GLUT.requestFullscreen instead.");GLUT.requestFullScreen=(function(){return GLUT.requestFullscreen()});return GLUT.requestFullscreen()}),exitFullscreen:(function(){var CFS=document["exitFullscreen"]||document["cancelFullScreen"]||document["mozCancelFullScreen"]||document["webkitCancelFullScreen"]||(function(){});CFS.apply(document,[])}),cancelFullScreen:(function(){Module.printErr("GLUT.cancelFullScreen() is deprecated. Please call GLUT.exitFullscreen instead.");GLUT.cancelFullScreen=(function(){return GLUT.exitFullscreen()});return GLUT.exitFullscreen()})};function _glutInitDisplayMode(mode){GLUT.initDisplayMode=mode}function _glutCreateWindow(name){var contextAttributes={antialias:(GLUT.initDisplayMode&128)!=0,depth:(GLUT.initDisplayMode&16)!=0,stencil:(GLUT.initDisplayMode&32)!=0,alpha:(GLUT.initDisplayMode&8)!=0};Module.ctx=Browser.createContext(Module["canvas"],true,true,contextAttributes);return Module.ctx?1:0}var GL={counter:1,lastError:0,buffers:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],uniforms:[],shaders:[],vaos:[],contexts:[],currentContext:null,offscreenCanvases:{},timerQueriesEXT:[],byteSizeByTypeRoot:5120,byteSizeByType:[1,1,2,2,4,4,4,2,3,4,8],programInfos:{},stringCache:{},tempFixedLengthArray:[],packAlignment:4,unpackAlignment:4,init:(function(){GL.miniTempBuffer=new Float32Array(GL.MINI_TEMP_BUFFER_SIZE);for(var i=0;i<GL.MINI_TEMP_BUFFER_SIZE;i++){GL.miniTempBufferViews[i]=GL.miniTempBuffer.subarray(0,i+1)}for(var i=0;i<32;i++){GL.tempFixedLengthArray.push(new Array(i))}}),recordError:function recordError(errorCode){if(!GL.lastError){GL.lastError=errorCode}},getNewId:(function(table){var ret=GL.counter++;for(var i=table.length;i<ret;i++){table[i]=null}return ret}),MINI_TEMP_BUFFER_SIZE:256,miniTempBuffer:null,miniTempBufferViews:[0],getSource:(function(shader,count,string,length){var source="";for(var i=0;i<count;++i){var frag;if(length){var len=HEAP32[length+i*4>>2];if(len<0){frag=Pointer_stringify(HEAP32[string+i*4>>2])}else{frag=Pointer_stringify(HEAP32[string+i*4>>2],len)}}else{frag=Pointer_stringify(HEAP32[string+i*4>>2])}source+=frag}return source}),createContext:(function(canvas,webGLContextAttributes){if(typeof webGLContextAttributes["majorVersion"]==="undefined"&&typeof webGLContextAttributes["minorVersion"]==="undefined"){webGLContextAttributes["majorVersion"]=1;webGLContextAttributes["minorVersion"]=0}var ctx;var errorInfo="?";function onContextCreationError(event){errorInfo=event.statusMessage||errorInfo}try{canvas.addEventListener("webglcontextcreationerror",onContextCreationError,false);try{if(webGLContextAttributes["majorVersion"]==1&&webGLContextAttributes["minorVersion"]==0){ctx=canvas.getContext("webgl",webGLContextAttributes)||canvas.getContext("experimental-webgl",webGLContextAttributes)}else if(webGLContextAttributes["majorVersion"]==2&&webGLContextAttributes["minorVersion"]==0){ctx=canvas.getContext("webgl2",webGLContextAttributes)}else{throw"Unsupported WebGL context version "+majorVersion+"."+minorVersion+"!"}}finally{canvas.removeEventListener("webglcontextcreationerror",onContextCreationError,false)}if(!ctx)throw":("}catch(e){Module.print("Could not create canvas: "+[errorInfo,e,JSON.stringify(webGLContextAttributes)]);return 0}if(!ctx)return 0;var context=GL.registerContext(ctx,webGLContextAttributes);return context}),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){var context=GL.contexts[contextHandle];if(!context)return false;GLctx=Module.ctx=context.GLctx;GL.currentContext=context;return true}),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;context.maxVertexAttribs=GLctx.getParameter(GLctx.MAX_VERTEX_ATTRIBS);if(context.version<2){var instancedArraysExt=GLctx.getExtension("ANGLE_instanced_arrays");if(instancedArraysExt){GLctx["vertexAttribDivisor"]=(function(index,divisor){instancedArraysExt["vertexAttribDivisorANGLE"](index,divisor)});GLctx["drawArraysInstanced"]=(function(mode,first,count,primcount){instancedArraysExt["drawArraysInstancedANGLE"](mode,first,count,primcount)});GLctx["drawElementsInstanced"]=(function(mode,count,type,indices,primcount){instancedArraysExt["drawElementsInstancedANGLE"](mode,count,type,indices,primcount)})}var vaoExt=GLctx.getExtension("OES_vertex_array_object");if(vaoExt){GLctx["createVertexArray"]=(function(){return vaoExt["createVertexArrayOES"]()});GLctx["deleteVertexArray"]=(function(vao){vaoExt["deleteVertexArrayOES"](vao)});GLctx["bindVertexArray"]=(function(vao){vaoExt["bindVertexArrayOES"](vao)});GLctx["isVertexArray"]=(function(vao){return vaoExt["isVertexArrayOES"](vao)})}var drawBuffersExt=GLctx.getExtension("WEBGL_draw_buffers");if(drawBuffersExt){GLctx["drawBuffers"]=(function(n,bufs){drawBuffersExt["drawBuffersWEBGL"](n,bufs)})}}GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query");var automaticallyEnabledExtensions=["OES_texture_float","OES_texture_half_float","OES_standard_derivatives","OES_vertex_array_object","WEBGL_compressed_texture_s3tc","WEBGL_depth_texture","OES_element_index_uint","EXT_texture_filter_anisotropic","ANGLE_instanced_arrays","OES_texture_float_linear","OES_texture_half_float_linear","WEBGL_compressed_texture_atc","WEBKIT_WEBGL_compressed_texture_pvrtc","WEBGL_compressed_texture_pvrtc","EXT_color_buffer_half_float","WEBGL_color_buffer_float","EXT_frag_depth","EXT_sRGB","WEBGL_draw_buffers","WEBGL_shared_resources","EXT_shader_texture_lod","EXT_color_buffer_float"];var exts=GLctx.getSupportedExtensions();if(exts&&exts.length>0){GLctx.getSupportedExtensions().forEach((function(ext){if(automaticallyEnabledExtensions.indexOf(ext)!=-1){GLctx.getExtension(ext)}}))}}),populateUniformTable:(function(program){var p=GL.programs[program];GL.programInfos[program]={uniforms:{},maxUniformLength:0,maxAttributeLength:-1,maxUniformBlockNameLength:-1};var ptable=GL.programInfos[program];var utable=ptable.uniforms;var numUniforms=GLctx.getProgramParameter(p,GLctx.ACTIVE_UNIFORMS);for(var i=0;i<numUniforms;++i){var u=GLctx.getActiveUniform(p,i);var name=u.name;ptable.maxUniformLength=Math.max(ptable.maxUniformLength,name.length+1);if(name.indexOf("]",name.length-1)!==-1){var ls=name.lastIndexOf("[");name=name.slice(0,ls)}var loc=GLctx.getUniformLocation(p,name);if(loc!=null){var id=GL.getNewId(GL.uniforms);utable[name]=[u.size,id];GL.uniforms[id]=loc;for(var j=1;j<u.size;++j){var n=name+"["+j+"]";loc=GLctx.getUniformLocation(p,n);id=GL.getNewId(GL.uniforms);GL.uniforms[id]=loc}}}})};function _eglCreateContext(display,config,hmm,contextAttribs){if(display!=62e3){EGL.setErrorCode(12296);return 0}var glesContextVersion=1;for(;;){var param=HEAP32[contextAttribs>>2];if(param==12440){glesContextVersion=HEAP32[contextAttribs+4>>2]}else if(param==12344){break}else{EGL.setErrorCode(12292);return 0}contextAttribs+=8}if(glesContextVersion!=2){EGL.setErrorCode(12293);return 0}_glutInitDisplayMode(178);EGL.windowID=_glutCreateWindow();if(EGL.windowID!=0){EGL.setErrorCode(12288);return 62004}else{EGL.setErrorCode(12297);return 0}}function _eglCreateWindowSurface(display,config,win,attrib_list){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(config!=62002){EGL.setErrorCode(12293);return 0}EGL.setErrorCode(12288);return 62006}function _eglDestroyContext(display,context){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(context!=62004){EGL.setErrorCode(12294);return 0}EGL.setErrorCode(12288);return 1}function _eglDestroySurface(display,surface){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(surface!=62006){EGL.setErrorCode(12301);return 1}if(EGL.currentReadSurface==surface){EGL.currentReadSurface=0}if(EGL.currentDrawSurface==surface){EGL.currentDrawSurface=0}EGL.setErrorCode(12288);return 1}function _eglGetConfigAttrib(display,config,attribute,value){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(config!=62002){EGL.setErrorCode(12293);return 0}if(!value){EGL.setErrorCode(12300);return 0}EGL.setErrorCode(12288);switch(attribute){case 12320:HEAP32[value>>2]=32;return 1;case 12321:HEAP32[value>>2]=8;return 1;case 12322:HEAP32[value>>2]=8;return 1;case 12323:HEAP32[value>>2]=8;return 1;case 12324:HEAP32[value>>2]=8;return 1;case 12325:HEAP32[value>>2]=24;return 1;case 12326:HEAP32[value>>2]=8;return 1;case 12327:HEAP32[value>>2]=12344;return 1;case 12328:HEAP32[value>>2]=62002;return 1;case 12329:HEAP32[value>>2]=0;return 1;case 12330:HEAP32[value>>2]=4096;return 1;case 12331:HEAP32[value>>2]=16777216;return 1;case 12332:HEAP32[value>>2]=4096;return 1;case 12333:HEAP32[value>>2]=0;return 1;case 12334:HEAP32[value>>2]=0;return 1;case 12335:HEAP32[value>>2]=12344;return 1;case 12337:HEAP32[value>>2]=4;return 1;case 12338:HEAP32[value>>2]=1;return 1;case 12339:HEAP32[value>>2]=4;return 1;case 12340:HEAP32[value>>2]=12344;return 1;case 12341:case 12342:case 12343:HEAP32[value>>2]=-1;return 1;case 12345:case 12346:HEAP32[value>>2]=0;return 1;case 12347:case 12348:HEAP32[value>>2]=1;return 1;case 12349:case 12350:HEAP32[value>>2]=0;return 1;case 12351:HEAP32[value>>2]=12430;return 1;case 12352:HEAP32[value>>2]=4;return 1;case 12354:HEAP32[value>>2]=0;return 1;default:EGL.setErrorCode(12292);return 0}}function _eglGetDisplay(nativeDisplayType){EGL.setErrorCode(12288);return 62e3}function _eglGetProcAddress(name_){return _emscripten_GetProcAddress(name_)}function _eglInitialize(display,majorVersion,minorVersion){if(display==62e3){if(majorVersion){HEAP32[majorVersion>>2]=1}if(minorVersion){HEAP32[minorVersion>>2]=4}EGL.defaultDisplayInitialized=true;EGL.setErrorCode(12288);return 1}else{EGL.setErrorCode(12296);return 0}}function _eglMakeCurrent(display,draw,read,context){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(context!=0&&context!=62004){EGL.setErrorCode(12294);return 0}if(read!=0&&read!=62006||draw!=0&&draw!=62006){EGL.setErrorCode(12301);return 0}EGL.currentContext=context;EGL.currentDrawSurface=draw;EGL.currentReadSurface=read;EGL.setErrorCode(12288);return 1}function _eglSwapBuffers(){if(!EGL.defaultDisplayInitialized){EGL.setErrorCode(12289)}else if(!Module.ctx){EGL.setErrorCode(12290)}else if(Module.ctx.isContextLost()){EGL.setErrorCode(12302)}else{EGL.setErrorCode(12288);return 1}return 0}function _eglSwapInterval(display,interval){if(display!=62e3){EGL.setErrorCode(12296);return 0}if(interval==0)_emscripten_set_main_loop_timing(0,0);else _emscripten_set_main_loop_timing(1,interval);EGL.setErrorCode(12288);return 1}function _eglTerminate(display){if(display!=62e3){EGL.setErrorCode(12296);return 0}EGL.currentContext=0;EGL.currentReadSurface=0;EGL.currentDrawSurface=0;EGL.defaultDisplayInitialized=false;EGL.setErrorCode(12288);return 1}function _eglWaitGL(){return _eglWaitClient.apply(null,arguments)}function _eglWaitNative(nativeEngineId){EGL.setErrorCode(12288);return 1}var JSEvents={keyEvent:0,mouseEvent:0,wheelEvent:0,uiEvent:0,focusEvent:0,deviceOrientationEvent:0,deviceMotionEvent:0,fullscreenChangeEvent:0,pointerlockChangeEvent:0,visibilityChangeEvent:0,touchEvent:0,lastGamepadState:null,lastGamepadStateFrame:null,numGamepadsConnected:0,previousFullscreenElement:null,previousScreenX:null,previousScreenY:null,removeEventListenersRegistered:false,staticInit:(function(){if(typeof window!=="undefined"){window.addEventListener("gamepadconnected",(function(){++JSEvents.numGamepadsConnected}));window.addEventListener("gamepaddisconnected",(function(){--JSEvents.numGamepadsConnected}));var firstState=navigator.getGamepads?navigator.getGamepads():navigator.webkitGetGamepads?navigator.webkitGetGamepads():null;if(firstState){JSEvents.numGamepadsConnected=firstState.length}}}),registerRemoveEventListeners:(function(){if(!JSEvents.removeEventListenersRegistered){__ATEXIT__.push((function(){for(var i=JSEvents.eventHandlers.length-1;i>=0;--i){JSEvents._removeHandler(i)}}));JSEvents.removeEventListenersRegistered=true}}),findEventTarget:(function(target){if(target){if(typeof target=="number"){target=Pointer_stringify(target)}if(target=="#window")return window;else if(target=="#document")return document;else if(target=="#screen")return window.screen;else if(target=="#canvas")return Module["canvas"];if(typeof target=="string")return document.getElementById(target);else return target}else{return window}}),deferredCalls:[],deferCall:(function(targetFunction,precedence,argsList){function arraysHaveEqualContent(arrA,arrB){if(arrA.length!=arrB.length)return false;for(var i in arrA){if(arrA[i]!=arrB[i])return false}return true}for(var i in JSEvents.deferredCalls){var call=JSEvents.deferredCalls[i];if(call.targetFunction==targetFunction&&arraysHaveEqualContent(call.argsList,argsList)){return}}JSEvents.deferredCalls.push({targetFunction:targetFunction,precedence:precedence,argsList:argsList});JSEvents.deferredCalls.sort((function(x,y){return x.precedence<y.precedence}))}),removeDeferredCalls:(function(targetFunction){for(var i=0;i<JSEvents.deferredCalls.length;++i){if(JSEvents.deferredCalls[i].targetFunction==targetFunction){JSEvents.deferredCalls.splice(i,1);--i}}}),canPerformEventHandlerRequests:(function(){return JSEvents.inEventHandler&&JSEvents.currentEventHandler.allowsDeferredCalls}),runDeferredCalls:(function(){if(!JSEvents.canPerformEventHandlerRequests()){return}for(var i=0;i<JSEvents.deferredCalls.length;++i){var call=JSEvents.deferredCalls[i];JSEvents.deferredCalls.splice(i,1);--i;call.targetFunction.apply(this,call.argsList)}}),inEventHandler:0,currentEventHandler:null,eventHandlers:[],isInternetExplorer:(function(){return navigator.userAgent.indexOf("MSIE")!==-1||navigator.appVersion.indexOf("Trident/")>0}),removeAllHandlersOnTarget:(function(target,eventTypeString){for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==target&&(!eventTypeString||eventTypeString==JSEvents.eventHandlers[i].eventTypeString)){JSEvents._removeHandler(i--)}}}),_removeHandler:(function(i){var h=JSEvents.eventHandlers[i];h.target.removeEventListener(h.eventTypeString,h.eventListenerFunc,h.useCapture);JSEvents.eventHandlers.splice(i,1)}),registerOrRemoveHandler:(function(eventHandler){var jsEventHandler=function jsEventHandler(event){++JSEvents.inEventHandler;JSEvents.currentEventHandler=eventHandler;JSEvents.runDeferredCalls();eventHandler.handlerFunc(event);JSEvents.runDeferredCalls();--JSEvents.inEventHandler};if(eventHandler.callbackfunc){eventHandler.eventListenerFunc=jsEventHandler;eventHandler.target.addEventListener(eventHandler.eventTypeString,jsEventHandler,eventHandler.useCapture);JSEvents.eventHandlers.push(eventHandler);JSEvents.registerRemoveEventListeners()}else{for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==eventHandler.target&&JSEvents.eventHandlers[i].eventTypeString==eventHandler.eventTypeString){JSEvents._removeHandler(i--)}}}}),registerKeyEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.keyEvent){JSEvents.keyEvent=_malloc(164)}var handlerFunc=(function(event){var e=event||window.event;stringToUTF8(e.key?e.key:"",JSEvents.keyEvent+0,32);stringToUTF8(e.code?e.code:"",JSEvents.keyEvent+32,32);HEAP32[JSEvents.keyEvent+64>>2]=e.location;HEAP32[JSEvents.keyEvent+68>>2]=e.ctrlKey;HEAP32[JSEvents.keyEvent+72>>2]=e.shiftKey;HEAP32[JSEvents.keyEvent+76>>2]=e.altKey;HEAP32[JSEvents.keyEvent+80>>2]=e.metaKey;HEAP32[JSEvents.keyEvent+84>>2]=e.repeat;stringToUTF8(e.locale?e.locale:"",JSEvents.keyEvent+88,32);stringToUTF8(e.char?e.char:"",JSEvents.keyEvent+120,32);HEAP32[JSEvents.keyEvent+152>>2]=e.charCode;HEAP32[JSEvents.keyEvent+156>>2]=e.keyCode;HEAP32[JSEvents.keyEvent+160>>2]=e.which;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.keyEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:JSEvents.isInternetExplorer()?false:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),getBoundingClientRectOrZeros:(function(target){return target.getBoundingClientRect?target.getBoundingClientRect():{left:0,top:0}}),fillMouseEventData:(function(eventStruct,e,target){HEAPF64[eventStruct>>3]=JSEvents.tick();HEAP32[eventStruct+8>>2]=e.screenX;HEAP32[eventStruct+12>>2]=e.screenY;HEAP32[eventStruct+16>>2]=e.clientX;HEAP32[eventStruct+20>>2]=e.clientY;HEAP32[eventStruct+24>>2]=e.ctrlKey;HEAP32[eventStruct+28>>2]=e.shiftKey;HEAP32[eventStruct+32>>2]=e.altKey;HEAP32[eventStruct+36>>2]=e.metaKey;HEAP16[eventStruct+40>>1]=e.button;HEAP16[eventStruct+42>>1]=e.buttons;HEAP32[eventStruct+44>>2]=e["movementX"]||e["mozMovementX"]||e["webkitMovementX"]||e.screenX-JSEvents.previousScreenX;HEAP32[eventStruct+48>>2]=e["movementY"]||e["mozMovementY"]||e["webkitMovementY"]||e.screenY-JSEvents.previousScreenY;if(Module["canvas"]){var rect=Module["canvas"].getBoundingClientRect();HEAP32[eventStruct+60>>2]=e.clientX-rect.left;HEAP32[eventStruct+64>>2]=e.clientY-rect.top}else{HEAP32[eventStruct+60>>2]=0;HEAP32[eventStruct+64>>2]=0}if(target){var rect=JSEvents.getBoundingClientRectOrZeros(target);HEAP32[eventStruct+52>>2]=e.clientX-rect.left;HEAP32[eventStruct+56>>2]=e.clientY-rect.top}else{HEAP32[eventStruct+52>>2]=0;HEAP32[eventStruct+56>>2]=0}if(e.type!=="wheel"&&e.type!=="mousewheel"){JSEvents.previousScreenX=e.screenX;JSEvents.previousScreenY=e.screenY}}),registerMouseEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.mouseEvent){JSEvents.mouseEvent=_malloc(72)}target=JSEvents.findEventTarget(target);var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillMouseEventData(JSEvents.mouseEvent,e,target);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.mouseEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:eventTypeString!="mousemove"&&eventTypeString!="mouseenter"&&eventTypeString!="mouseleave",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};if(JSEvents.isInternetExplorer()&&eventTypeString=="mousedown")eventHandler.allowsDeferredCalls=false;JSEvents.registerOrRemoveHandler(eventHandler)}),registerWheelEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.wheelEvent){JSEvents.wheelEvent=_malloc(104)}target=JSEvents.findEventTarget(target);var wheelHandlerFunc=(function(event){var e=event||window.event;JSEvents.fillMouseEventData(JSEvents.wheelEvent,e,target);HEAPF64[JSEvents.wheelEvent+72>>3]=e["deltaX"];HEAPF64[JSEvents.wheelEvent+80>>3]=e["deltaY"];HEAPF64[JSEvents.wheelEvent+88>>3]=e["deltaZ"];HEAP32[JSEvents.wheelEvent+96>>2]=e["deltaMode"];var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.wheelEvent,userData);if(shouldCancel){e.preventDefault()}});var mouseWheelHandlerFunc=(function(event){var e=event||window.event;JSEvents.fillMouseEventData(JSEvents.wheelEvent,e,target);HEAPF64[JSEvents.wheelEvent+72>>3]=e["wheelDeltaX"]||0;HEAPF64[JSEvents.wheelEvent+80>>3]=-(e["wheelDeltaY"]?e["wheelDeltaY"]:e["wheelDelta"]);HEAPF64[JSEvents.wheelEvent+88>>3]=0;HEAP32[JSEvents.wheelEvent+96>>2]=0;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.wheelEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:eventTypeString=="wheel"?wheelHandlerFunc:mouseWheelHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),pageScrollPos:(function(){if(window.pageXOffset>0||window.pageYOffset>0){return[window.pageXOffset,window.pageYOffset]}if(typeof document.documentElement.scrollLeft!=="undefined"||typeof document.documentElement.scrollTop!=="undefined"){return[document.documentElement.scrollLeft,document.documentElement.scrollTop]}return[document.body.scrollLeft|0,document.body.scrollTop|0]}),registerUiEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.uiEvent){JSEvents.uiEvent=_malloc(36)}if(eventTypeString=="scroll"&&!target){target=document}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;if(e.target!=target){return}var scrollPos=JSEvents.pageScrollPos();HEAP32[JSEvents.uiEvent>>2]=e.detail;HEAP32[JSEvents.uiEvent+4>>2]=document.body.clientWidth;HEAP32[JSEvents.uiEvent+8>>2]=document.body.clientHeight;HEAP32[JSEvents.uiEvent+12>>2]=window.innerWidth;HEAP32[JSEvents.uiEvent+16>>2]=window.innerHeight;HEAP32[JSEvents.uiEvent+20>>2]=window.outerWidth;HEAP32[JSEvents.uiEvent+24>>2]=window.outerHeight;HEAP32[JSEvents.uiEvent+28>>2]=scrollPos[0];HEAP32[JSEvents.uiEvent+32>>2]=scrollPos[1];var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.uiEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),getNodeNameForTarget:(function(target){if(!target)return"";if(target==window)return"#window";if(target==window.screen)return"#screen";return target&&target.nodeName?target.nodeName:""}),registerFocusEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.focusEvent){JSEvents.focusEvent=_malloc(256)}var handlerFunc=(function(event){var e=event||window.event;var nodeName=JSEvents.getNodeNameForTarget(e.target);var id=e.target.id?e.target.id:"";stringToUTF8(nodeName,JSEvents.focusEvent+0,128);stringToUTF8(id,JSEvents.focusEvent+128,128);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.focusEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),tick:(function(){if(window["performance"]&&window["performance"]["now"])return window["performance"]["now"]();else return Date.now()}),registerDeviceOrientationEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.deviceOrientationEvent){JSEvents.deviceOrientationEvent=_malloc(40)}var handlerFunc=(function(event){var e=event||window.event;HEAPF64[JSEvents.deviceOrientationEvent>>3]=JSEvents.tick();HEAPF64[JSEvents.deviceOrientationEvent+8>>3]=e.alpha;HEAPF64[JSEvents.deviceOrientationEvent+16>>3]=e.beta;HEAPF64[JSEvents.deviceOrientationEvent+24>>3]=e.gamma;HEAP32[JSEvents.deviceOrientationEvent+32>>2]=e.absolute;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.deviceOrientationEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),registerDeviceMotionEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.deviceMotionEvent){JSEvents.deviceMotionEvent=_malloc(80)}var handlerFunc=(function(event){var e=event||window.event;HEAPF64[JSEvents.deviceMotionEvent>>3]=JSEvents.tick();HEAPF64[JSEvents.deviceMotionEvent+8>>3]=e.acceleration.x;HEAPF64[JSEvents.deviceMotionEvent+16>>3]=e.acceleration.y;HEAPF64[JSEvents.deviceMotionEvent+24>>3]=e.acceleration.z;HEAPF64[JSEvents.deviceMotionEvent+32>>3]=e.accelerationIncludingGravity.x;HEAPF64[JSEvents.deviceMotionEvent+40>>3]=e.accelerationIncludingGravity.y;HEAPF64[JSEvents.deviceMotionEvent+48>>3]=e.accelerationIncludingGravity.z;HEAPF64[JSEvents.deviceMotionEvent+56>>3]=e.rotationRate.alpha;HEAPF64[JSEvents.deviceMotionEvent+64>>3]=e.rotationRate.beta;HEAPF64[JSEvents.deviceMotionEvent+72>>3]=e.rotationRate.gamma;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.deviceMotionEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),screenOrientation:(function(){if(!window.screen)return undefined;return window.screen.orientation||window.screen.mozOrientation||window.screen.webkitOrientation||window.screen.msOrientation}),fillOrientationChangeEventData:(function(eventStruct,e){var orientations=["portrait-primary","portrait-secondary","landscape-primary","landscape-secondary"];var orientations2=["portrait","portrait","landscape","landscape"];var orientationString=JSEvents.screenOrientation();var orientation=orientations.indexOf(orientationString);if(orientation==-1){orientation=orientations2.indexOf(orientationString)}HEAP32[eventStruct>>2]=1<<orientation;HEAP32[eventStruct+4>>2]=window.orientation}),registerOrientationChangeEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.orientationChangeEvent){JSEvents.orientationChangeEvent=_malloc(8)}if(!target){target=window.screen}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillOrientationChangeEventData(JSEvents.orientationChangeEvent,e);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.orientationChangeEvent,userData);if(shouldCancel){e.preventDefault()}});if(eventTypeString=="orientationchange"&&window.screen.mozOrientation!==undefined){eventTypeString="mozorientationchange"}var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),fullscreenEnabled:(function(){return document.fullscreenEnabled||document.mozFullScreenEnabled||document.webkitFullscreenEnabled||document.msFullscreenEnabled}),fillFullscreenChangeEventData:(function(eventStruct,e){var fullscreenElement=document.fullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement||document.msFullscreenElement;var isFullscreen=!!fullscreenElement;HEAP32[eventStruct>>2]=isFullscreen;HEAP32[eventStruct+4>>2]=JSEvents.fullscreenEnabled();var reportedElement=isFullscreen?fullscreenElement:JSEvents.previousFullscreenElement;var nodeName=JSEvents.getNodeNameForTarget(reportedElement);var id=reportedElement&&reportedElement.id?reportedElement.id:"";stringToUTF8(nodeName,eventStruct+8,128);stringToUTF8(id,eventStruct+136,128);HEAP32[eventStruct+264>>2]=reportedElement?reportedElement.clientWidth:0;HEAP32[eventStruct+268>>2]=reportedElement?reportedElement.clientHeight:0;HEAP32[eventStruct+272>>2]=screen.width;HEAP32[eventStruct+276>>2]=screen.height;if(isFullscreen){JSEvents.previousFullscreenElement=fullscreenElement}}),registerFullscreenChangeEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.fullscreenChangeEvent){JSEvents.fullscreenChangeEvent=_malloc(280)}if(!target){target=document}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillFullscreenChangeEventData(JSEvents.fullscreenChangeEvent,e);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.fullscreenChangeEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),resizeCanvasForFullscreen:(function(target,strategy){var restoreOldStyle=__registerRestoreOldStyle(target);var cssWidth=strategy.softFullscreen?window.innerWidth:screen.width;var cssHeight=strategy.softFullscreen?window.innerHeight:screen.height;var rect=target.getBoundingClientRect();var windowedCssWidth=rect.right-rect.left;var windowedCssHeight=rect.bottom-rect.top;var windowedRttWidth=target.width;var windowedRttHeight=target.height;if(strategy.scaleMode==3){__setLetterbox(target,(cssHeight-windowedCssHeight)/2,(cssWidth-windowedCssWidth)/2);cssWidth=windowedCssWidth;cssHeight=windowedCssHeight}else if(strategy.scaleMode==2){if(cssWidth*windowedRttHeight<windowedRttWidth*cssHeight){var desiredCssHeight=windowedRttHeight*cssWidth/windowedRttWidth;__setLetterbox(target,(cssHeight-desiredCssHeight)/2,0);cssHeight=desiredCssHeight}else{var desiredCssWidth=windowedRttWidth*cssHeight/windowedRttHeight;__setLetterbox(target,0,(cssWidth-desiredCssWidth)/2);cssWidth=desiredCssWidth}}if(!target.style.backgroundColor)target.style.backgroundColor="black";if(!document.body.style.backgroundColor)document.body.style.backgroundColor="black";target.style.width=cssWidth+"px";target.style.height=cssHeight+"px";if(strategy.filteringMode==1){target.style.imageRendering="optimizeSpeed";target.style.imageRendering="-moz-crisp-edges";target.style.imageRendering="-o-crisp-edges";target.style.imageRendering="-webkit-optimize-contrast";target.style.imageRendering="optimize-contrast";target.style.imageRendering="crisp-edges";target.style.imageRendering="pixelated"}var dpiScale=strategy.canvasResolutionScaleMode==2?window.devicePixelRatio:1;if(strategy.canvasResolutionScaleMode!=0){target.width=cssWidth*dpiScale;target.height=cssHeight*dpiScale;if(target.GLctxObject)target.GLctxObject.GLctx.viewport(0,0,target.width,target.height)}return restoreOldStyle}),requestFullscreen:(function(target,strategy){if(strategy.scaleMode!=0||strategy.canvasResolutionScaleMode!=0){JSEvents.resizeCanvasForFullscreen(target,strategy)}if(target.requestFullscreen){target.requestFullscreen()}else if(target.msRequestFullscreen){target.msRequestFullscreen()}else if(target.mozRequestFullScreen){target.mozRequestFullScreen()}else if(target.mozRequestFullscreen){target.mozRequestFullscreen()}else if(target.webkitRequestFullscreen){target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT)}else{if(typeof JSEvents.fullscreenEnabled()==="undefined"){return-1}else{return-3}}if(strategy.canvasResizedCallback){Module["dynCall_iiii"](strategy.canvasResizedCallback,37,0,strategy.canvasResizedCallbackUserData)}return 0}),fillPointerlockChangeEventData:(function(eventStruct,e){var pointerLockElement=document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement||document.msPointerLockElement;var isPointerlocked=!!pointerLockElement;HEAP32[eventStruct>>2]=isPointerlocked;var nodeName=JSEvents.getNodeNameForTarget(pointerLockElement);var id=pointerLockElement&&pointerLockElement.id?pointerLockElement.id:"";stringToUTF8(nodeName,eventStruct+4,128);stringToUTF8(id,eventStruct+132,128)}),registerPointerlockChangeEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.pointerlockChangeEvent){JSEvents.pointerlockChangeEvent=_malloc(260)}if(!target){target=document}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillPointerlockChangeEventData(JSEvents.pointerlockChangeEvent,e);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.pointerlockChangeEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),registerPointerlockErrorEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!target){target=document}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,0,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),requestPointerLock:(function(target){if(target.requestPointerLock){target.requestPointerLock()}else if(target.mozRequestPointerLock){target.mozRequestPointerLock()}else if(target.webkitRequestPointerLock){target.webkitRequestPointerLock()}else if(target.msRequestPointerLock){target.msRequestPointerLock()}else{if(document.body.requestPointerLock||document.body.mozRequestPointerLock||document.body.webkitRequestPointerLock||document.body.msRequestPointerLock){return-3}else{return-1}}return 0}),fillVisibilityChangeEventData:(function(eventStruct,e){var visibilityStates=["hidden","visible","prerender","unloaded"];var visibilityState=visibilityStates.indexOf(document.visibilityState);HEAP32[eventStruct>>2]=document.hidden;HEAP32[eventStruct+4>>2]=visibilityState}),registerVisibilityChangeEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.visibilityChangeEvent){JSEvents.visibilityChangeEvent=_malloc(8)}if(!target){target=document}else{target=JSEvents.findEventTarget(target)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillVisibilityChangeEventData(JSEvents.visibilityChangeEvent,e);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.visibilityChangeEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),registerTouchEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.touchEvent){JSEvents.touchEvent=_malloc(1684)}target=JSEvents.findEventTarget(target);var handlerFunc=(function(event){var e=event||window.event;var touches={};for(var i=0;i<e.touches.length;++i){var touch=e.touches[i];touches[touch.identifier]=touch}for(var i=0;i<e.changedTouches.length;++i){var touch=e.changedTouches[i];touches[touch.identifier]=touch;touch.changed=true}for(var i=0;i<e.targetTouches.length;++i){var touch=e.targetTouches[i];touches[touch.identifier].onTarget=true}var ptr=JSEvents.touchEvent;HEAP32[ptr+4>>2]=e.ctrlKey;HEAP32[ptr+8>>2]=e.shiftKey;HEAP32[ptr+12>>2]=e.altKey;HEAP32[ptr+16>>2]=e.metaKey;ptr+=20;var canvasRect=Module["canvas"]?Module["canvas"].getBoundingClientRect():undefined;var targetRect=JSEvents.getBoundingClientRectOrZeros(target);var numTouches=0;for(var i in touches){var t=touches[i];HEAP32[ptr>>2]=t.identifier;HEAP32[ptr+4>>2]=t.screenX;HEAP32[ptr+8>>2]=t.screenY;HEAP32[ptr+12>>2]=t.clientX;HEAP32[ptr+16>>2]=t.clientY;HEAP32[ptr+20>>2]=t.pageX;HEAP32[ptr+24>>2]=t.pageY;HEAP32[ptr+28>>2]=t.changed;HEAP32[ptr+32>>2]=t.onTarget;if(canvasRect){HEAP32[ptr+44>>2]=t.clientX-canvasRect.left;HEAP32[ptr+48>>2]=t.clientY-canvasRect.top}else{HEAP32[ptr+44>>2]=0;HEAP32[ptr+48>>2]=0}HEAP32[ptr+36>>2]=t.clientX-targetRect.left;HEAP32[ptr+40>>2]=t.clientY-targetRect.top;ptr+=52;if(++numTouches>=32){break}}HEAP32[JSEvents.touchEvent>>2]=numTouches;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.touchEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:target,allowsDeferredCalls:eventTypeString=="touchstart"||eventTypeString=="touchend",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),fillGamepadEventData:(function(eventStruct,e){HEAPF64[eventStruct>>3]=e.timestamp;for(var i=0;i<e.axes.length;++i){HEAPF64[eventStruct+i*8+16>>3]=e.axes[i]}for(var i=0;i<e.buttons.length;++i){if(typeof e.buttons[i]==="object"){HEAPF64[eventStruct+i*8+528>>3]=e.buttons[i].value}else{HEAPF64[eventStruct+i*8+528>>3]=e.buttons[i]}}for(var i=0;i<e.buttons.length;++i){if(typeof e.buttons[i]==="object"){HEAP32[eventStruct+i*4+1040>>2]=e.buttons[i].pressed}else{HEAP32[eventStruct+i*4+1040>>2]=e.buttons[i]==1}}HEAP32[eventStruct+1296>>2]=e.connected;HEAP32[eventStruct+1300>>2]=e.index;HEAP32[eventStruct+8>>2]=e.axes.length;HEAP32[eventStruct+12>>2]=e.buttons.length;stringToUTF8(e.id,eventStruct+1304,64);stringToUTF8(e.mapping,eventStruct+1368,64)}),registerGamepadEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.gamepadEvent){JSEvents.gamepadEvent=_malloc(1432)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillGamepadEventData(JSEvents.gamepadEvent,e.gamepad);var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.gamepadEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),registerBeforeUnloadEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){var handlerFunc=(function(event){var e=event||window.event;var confirmationMessage=Module["dynCall_iiii"](callbackfunc,eventTypeId,0,userData);if(confirmationMessage){confirmationMessage=Pointer_stringify(confirmationMessage)}if(confirmationMessage){e.preventDefault();e.returnValue=confirmationMessage;return confirmationMessage}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),battery:(function(){return navigator.battery||navigator.mozBattery||navigator.webkitBattery}),fillBatteryEventData:(function(eventStruct,e){HEAPF64[eventStruct>>3]=e.chargingTime;HEAPF64[eventStruct+8>>3]=e.dischargingTime;HEAPF64[eventStruct+16>>3]=e.level;HEAP32[eventStruct+24>>2]=e.charging}),registerBatteryEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!JSEvents.batteryEvent){JSEvents.batteryEvent=_malloc(32)}var handlerFunc=(function(event){var e=event||window.event;JSEvents.fillBatteryEventData(JSEvents.batteryEvent,JSEvents.battery());var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,JSEvents.batteryEvent,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}),registerWebGlEventCallback:(function(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString){if(!target){target=Module["canvas"]}var handlerFunc=(function(event){var e=event||window.event;var shouldCancel=Module["dynCall_iiii"](callbackfunc,eventTypeId,0,userData);if(shouldCancel){e.preventDefault()}});var eventHandler={target:JSEvents.findEventTarget(target),allowsDeferredCalls:false,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:handlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)})};var __currentFullscreenStrategy={};function _emscripten_exit_fullscreen(){if(typeof JSEvents.fullscreenEnabled()==="undefined")return-1;JSEvents.removeDeferredCalls(JSEvents.requestFullscreen);if(document.exitFullscreen){document.exitFullscreen()}else if(document.msExitFullscreen){document.msExitFullscreen()}else if(document.mozCancelFullScreen){document.mozCancelFullScreen()}else if(document.webkitExitFullscreen){document.webkitExitFullscreen()}else{return-1}if(__currentFullscreenStrategy.canvasResizedCallback){Module["dynCall_iiii"](__currentFullscreenStrategy.canvasResizedCallback,37,0,__currentFullscreenStrategy.canvasResizedCallbackUserData)}return 0}function _emscripten_exit_pointerlock(){JSEvents.removeDeferredCalls(JSEvents.requestPointerLock);if(document.exitPointerLock){document.exitPointerLock()}else if(document.msExitPointerLock){document.msExitPointerLock()}else if(document.mozExitPointerLock){document.mozExitPointerLock()}else if(document.webkitExitPointerLock){document.webkitExitPointerLock()}else{return-1}return 0}function _emscripten_get_device_pixel_ratio(){return window.devicePixelRatio||1}function _emscripten_get_element_css_size(target,width,height){if(!target){target=Module["canvas"]}else{target=JSEvents.findEventTarget(target)}if(!target)return-4;if(target.getBoundingClientRect){var rect=target.getBoundingClientRect();HEAPF64[width>>3]=rect.right-rect.left;HEAPF64[height>>3]=rect.bottom-rect.top}else{HEAPF64[width>>3]=target.clientWidth;HEAPF64[height>>3]=target.clientHeight}return 0}function __emscripten_sample_gamepad_data(){if(!JSEvents.numGamepadsConnected)return;if(Browser.mainLoop.currentFrameNumber!==JSEvents.lastGamepadStateFrame||!Browser.mainLoop.currentFrameNumber){JSEvents.lastGamepadState=navigator.getGamepads?navigator.getGamepads():navigator.webkitGetGamepads?navigator.webkitGetGamepads:null;JSEvents.lastGamepadStateFrame=Browser.mainLoop.currentFrameNumber}}function _emscripten_get_gamepad_status(index,gamepadState){__emscripten_sample_gamepad_data();if(!JSEvents.lastGamepadState)return-1;if(index<0||index>=JSEvents.lastGamepadState.length)return-5;if(!JSEvents.lastGamepadState[index])return-7;JSEvents.fillGamepadEventData(gamepadState,JSEvents.lastGamepadState[index]);return 0}function _emscripten_get_num_gamepads(){if(!JSEvents.numGamepadsConnected)return 0;__emscripten_sample_gamepad_data();if(!JSEvents.lastGamepadState)return-1;return JSEvents.lastGamepadState.length}function _emscripten_get_pointerlock_status(pointerlockStatus){if(pointerlockStatus)JSEvents.fillPointerlockChangeEventData(pointerlockStatus);if(!document.body||!document.body.requestPointerLock&&!document.body.mozRequestPointerLock&&!document.body.webkitRequestPointerLock&&!document.body.msRequestPointerLock){return-1}return 0}function _emscripten_glActiveTexture(x0){GLctx["activeTexture"](x0)}function _emscripten_glAttachShader(program,shader){GLctx.attachShader(GL.programs[program],GL.shaders[shader])}function _emscripten_glBindAttribLocation(program,index,name){name=Pointer_stringify(name);GLctx.bindAttribLocation(GL.programs[program],index,name)}function _emscripten_glBindBuffer(target,buffer){var bufferObj=buffer?GL.buffers[buffer]:null;GLctx.bindBuffer(target,bufferObj)}function _emscripten_glBindFramebuffer(target,framebuffer){GLctx.bindFramebuffer(target,framebuffer?GL.framebuffers[framebuffer]:null)}function _emscripten_glBindProgramARB(){Module["printErr"]("missing function: emscripten_glBindProgramARB");abort(-1)}function _emscripten_glBindRenderbuffer(target,renderbuffer){GLctx.bindRenderbuffer(target,renderbuffer?GL.renderbuffers[renderbuffer]:null)}function _emscripten_glBindTexture(target,texture){GLctx.bindTexture(target,texture?GL.textures[texture]:null)}function _emscripten_glBindVertexArray(vao){GLctx["bindVertexArray"](GL.vaos[vao])}function _emscripten_glBlendColor(x0,x1,x2,x3){GLctx["blendColor"](x0,x1,x2,x3)}function _emscripten_glBlendEquation(x0){GLctx["blendEquation"](x0)}function _emscripten_glBlendEquationSeparate(x0,x1){GLctx["blendEquationSeparate"](x0,x1)}function _emscripten_glBlendFunc(x0,x1){GLctx["blendFunc"](x0,x1)}function _emscripten_glBlendFuncSeparate(x0,x1,x2,x3){GLctx["blendFuncSeparate"](x0,x1,x2,x3)}function _emscripten_glBufferData(target,size,data,usage){if(!data){GLctx.bufferData(target,size,usage)}else{GLctx.bufferData(target,HEAPU8.subarray(data,data+size),usage)}}function _emscripten_glBufferSubData(target,offset,size,data){GLctx.bufferSubData(target,offset,HEAPU8.subarray(data,data+size))}function _emscripten_glCheckFramebufferStatus(x0){return GLctx["checkFramebufferStatus"](x0)}function _emscripten_glClear(x0){GLctx["clear"](x0)}function _emscripten_glClearColor(x0,x1,x2,x3){GLctx["clearColor"](x0,x1,x2,x3)}function _emscripten_glClearDepth(x0){GLctx["clearDepth"](x0)}function _emscripten_glClearDepthf(x0){GLctx["clearDepth"](x0)}function _emscripten_glClearStencil(x0){GLctx["clearStencil"](x0)}function _emscripten_glClientActiveTexture(){Module["printErr"]("missing function: emscripten_glClientActiveTexture");abort(-1)}function _emscripten_glColorMask(red,green,blue,alpha){GLctx.colorMask(!!red,!!green,!!blue,!!alpha)}function _emscripten_glColorPointer(){Module["printErr"]("missing function: emscripten_glColorPointer");abort(-1)}function _emscripten_glCompileShader(shader){GLctx.compileShader(GL.shaders[shader])}function _emscripten_glCompressedTexImage2D(target,level,internalFormat,width,height,border,imageSize,data){GLctx["compressedTexImage2D"](target,level,internalFormat,width,height,border,data?HEAPU8.subarray(data,data+imageSize):null)}function _emscripten_glCompressedTexSubImage2D(target,level,xoffset,yoffset,width,height,format,imageSize,data){GLctx["compressedTexSubImage2D"](target,level,xoffset,yoffset,width,height,format,data?HEAPU8.subarray(data,data+imageSize):null)}function _emscripten_glCopyTexImage2D(x0,x1,x2,x3,x4,x5,x6,x7){GLctx["copyTexImage2D"](x0,x1,x2,x3,x4,x5,x6,x7)}function _emscripten_glCopyTexSubImage2D(x0,x1,x2,x3,x4,x5,x6,x7){GLctx["copyTexSubImage2D"](x0,x1,x2,x3,x4,x5,x6,x7)}function _emscripten_glCreateProgram(){var id=GL.getNewId(GL.programs);var program=GLctx.createProgram();program.name=id;GL.programs[id]=program;return id}function _emscripten_glCreateShader(shaderType){var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id}function _emscripten_glCullFace(x0){GLctx["cullFace"](x0)}function _emscripten_glDeleteBuffers(n,buffers){for(var i=0;i<n;i++){var id=HEAP32[buffers+i*4>>2];var buffer=GL.buffers[id];if(!buffer)continue;GLctx.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;if(id==GL.currArrayBuffer)GL.currArrayBuffer=0;if(id==GL.currElementArrayBuffer)GL.currElementArrayBuffer=0}}function _emscripten_glDeleteFramebuffers(n,framebuffers){for(var i=0;i<n;++i){var id=HEAP32[framebuffers+i*4>>2];var framebuffer=GL.framebuffers[id];if(!framebuffer)continue;GLctx.deleteFramebuffer(framebuffer);framebuffer.name=0;GL.framebuffers[id]=null}}function _emscripten_glDeleteObjectARB(){Module["printErr"]("missing function: emscripten_glDeleteObjectARB");abort(-1)}function _emscripten_glDeleteProgram(id){if(!id)return;var program=GL.programs[id];if(!program){GL.recordError(1281);return}GLctx.deleteProgram(program);program.name=0;GL.programs[id]=null;GL.programInfos[id]=null}function _emscripten_glDeleteRenderbuffers(n,renderbuffers){for(var i=0;i<n;i++){var id=HEAP32[renderbuffers+i*4>>2];var renderbuffer=GL.renderbuffers[id];if(!renderbuffer)continue;GLctx.deleteRenderbuffer(renderbuffer);renderbuffer.name=0;GL.renderbuffers[id]=null}}function _emscripten_glDeleteShader(id){if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null}function _emscripten_glDeleteTextures(n,textures){for(var i=0;i<n;i++){var id=HEAP32[textures+i*4>>2];var texture=GL.textures[id];if(!texture)continue;GLctx.deleteTexture(texture);texture.name=0;GL.textures[id]=null}}function _emscripten_glDeleteVertexArrays(n,vaos){for(var i=0;i<n;i++){var id=HEAP32[vaos+i*4>>2];GLctx["deleteVertexArray"](GL.vaos[id]);GL.vaos[id]=null}}function _emscripten_glDepthFunc(x0){GLctx["depthFunc"](x0)}function _emscripten_glDepthMask(flag){GLctx.depthMask(!!flag)}function _emscripten_glDepthRange(x0,x1){GLctx["depthRange"](x0,x1)}function _emscripten_glDepthRangef(x0,x1){GLctx["depthRange"](x0,x1)}function _emscripten_glDetachShader(program,shader){GLctx.detachShader(GL.programs[program],GL.shaders[shader])}function _emscripten_glDisable(x0){GLctx["disable"](x0)}function _emscripten_glDisableVertexAttribArray(index){GLctx.disableVertexAttribArray(index)}function _emscripten_glDrawArrays(mode,first,count){GLctx.drawArrays(mode,first,count)}function _emscripten_glDrawArraysInstanced(mode,first,count,primcount){GLctx["drawArraysInstanced"](mode,first,count,primcount)}function _emscripten_glDrawBuffers(n,bufs){var bufArray=GL.tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx["drawBuffers"](bufArray)}function _emscripten_glDrawElements(mode,count,type,indices){GLctx.drawElements(mode,count,type,indices)}function _emscripten_glDrawElementsInstanced(mode,count,type,indices,primcount){GLctx["drawElementsInstanced"](mode,count,type,indices,primcount)}function _emscripten_glDrawRangeElements(){Module["printErr"]("missing function: emscripten_glDrawRangeElements");abort(-1)}function _emscripten_glEnable(x0){GLctx["enable"](x0)}function _emscripten_glEnableClientState(){Module["printErr"]("missing function: emscripten_glEnableClientState");abort(-1)}function _emscripten_glEnableVertexAttribArray(index){GLctx.enableVertexAttribArray(index)}function _emscripten_glFinish(){GLctx["finish"]()}function _emscripten_glFlush(){GLctx["flush"]()}function _emscripten_glFramebufferRenderbuffer(target,attachment,renderbuffertarget,renderbuffer){GLctx.framebufferRenderbuffer(target,attachment,renderbuffertarget,GL.renderbuffers[renderbuffer])}function _emscripten_glFramebufferTexture2D(target,attachment,textarget,texture,level){GLctx.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level)}function _emscripten_glFrontFace(x0){GLctx["frontFace"](x0)}function _emscripten_glFrustum(){Module["printErr"]("missing function: emscripten_glFrustum");abort(-1)}function _emscripten_glGenBuffers(n,buffers){for(var i=0;i<n;i++){var buffer=GLctx.createBuffer();if(!buffer){GL.recordError(1282);while(i<n)HEAP32[buffers+i++*4>>2]=0;return}var id=GL.getNewId(GL.buffers);buffer.name=id;GL.buffers[id]=buffer;HEAP32[buffers+i*4>>2]=id}}function _emscripten_glGenFramebuffers(n,ids){for(var i=0;i<n;++i){var framebuffer=GLctx.createFramebuffer();if(!framebuffer){GL.recordError(1282);while(i<n)HEAP32[ids+i++*4>>2]=0;return}var id=GL.getNewId(GL.framebuffers);framebuffer.name=id;GL.framebuffers[id]=framebuffer;HEAP32[ids+i*4>>2]=id}}function _emscripten_glGenRenderbuffers(n,renderbuffers){for(var i=0;i<n;i++){var renderbuffer=GLctx.createRenderbuffer();if(!renderbuffer){GL.recordError(1282);while(i<n)HEAP32[renderbuffers+i++*4>>2]=0;return}var id=GL.getNewId(GL.renderbuffers);renderbuffer.name=id;GL.renderbuffers[id]=renderbuffer;HEAP32[renderbuffers+i*4>>2]=id}}function _emscripten_glGenTextures(n,textures){for(var i=0;i<n;i++){var texture=GLctx.createTexture();if(!texture){GL.recordError(1282);while(i<n)HEAP32[textures+i++*4>>2]=0;return}var id=GL.getNewId(GL.textures);texture.name=id;GL.textures[id]=texture;HEAP32[textures+i*4>>2]=id}}function _emscripten_glGenVertexArrays(n,arrays){for(var i=0;i<n;i++){var vao=GLctx["createVertexArray"]();if(!vao){GL.recordError(1282);while(i<n)HEAP32[arrays+i++*4>>2]=0;return}var id=GL.getNewId(GL.vaos);vao.name=id;GL.vaos[id]=vao;HEAP32[arrays+i*4>>2]=id}}function _emscripten_glGenerateMipmap(x0){GLctx["generateMipmap"](x0)}function _emscripten_glGetActiveAttrib(program,index,bufSize,length,size,type,name){program=GL.programs[program];var info=GLctx.getActiveAttrib(program,index);if(!info)return;if(bufSize>0&&name){var numBytesWrittenExclNull=stringToUTF8(info.name,name,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}if(size)HEAP32[size>>2]=info.size;if(type)HEAP32[type>>2]=info.type}function _emscripten_glGetActiveUniform(program,index,bufSize,length,size,type,name){program=GL.programs[program];var info=GLctx.getActiveUniform(program,index);if(!info)return;if(bufSize>0&&name){var numBytesWrittenExclNull=stringToUTF8(info.name,name,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}if(size)HEAP32[size>>2]=info.size;if(type)HEAP32[type>>2]=info.type}function _emscripten_glGetAttachedShaders(program,maxCount,count,shaders){var result=GLctx.getAttachedShaders(GL.programs[program]);var len=result.length;if(len>maxCount){len=maxCount}HEAP32[count>>2]=len;for(var i=0;i<len;++i){var id=GL.shaders.indexOf(result[i]);HEAP32[shaders+i*4>>2]=id}}function _emscripten_glGetAttribLocation(program,name){program=GL.programs[program];name=Pointer_stringify(name);return GLctx.getAttribLocation(program,name)}function emscriptenWebGLGet(name_,p,type){if(!p){GL.recordError(1281);return}var ret=undefined;switch(name_){case 36346:ret=1;break;case 36344:if(type!=="Integer"&&type!=="Integer64"){GL.recordError(1280)}return;case 36345:ret=0;break;case 34466:var formats=GLctx.getParameter(34467);ret=formats.length;break}if(ret===undefined){var result=GLctx.getParameter(name_);switch(typeof result){case"number":ret=result;break;case"boolean":ret=result?1:0;break;case"string":GL.recordError(1280);return;case"object":if(result===null){switch(name_){case 34964:case 35725:case 34965:case 36006:case 36007:case 32873:case 34068:{ret=0;break};default:{GL.recordError(1280);return}}}else if(result instanceof Float32Array||result instanceof Uint32Array||result instanceof Int32Array||result instanceof Array){for(var i=0;i<result.length;++i){switch(type){case"Integer":HEAP32[p+i*4>>2]=result[i];break;case"Float":HEAPF32[p+i*4>>2]=result[i];break;case"Boolean":HEAP8[p+i>>0]=result[i]?1:0;break;default:throw"internal glGet error, bad type: "+type}}return}else if(result instanceof WebGLBuffer||result instanceof WebGLProgram||result instanceof WebGLFramebuffer||result instanceof WebGLRenderbuffer||result instanceof WebGLTexture){ret=result.name|0}else{GL.recordError(1280);return}break;default:GL.recordError(1280);return}}switch(type){case"Integer64":tempI64=[ret>>>0,(tempDouble=ret,+Math_abs(tempDouble)>=1?tempDouble>0?(Math_min(+Math_floor(tempDouble/4294967296),4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[p>>2]=tempI64[0],HEAP32[p+4>>2]=tempI64[1];break;case"Integer":HEAP32[p>>2]=ret;break;case"Float":HEAPF32[p>>2]=ret;break;case"Boolean":HEAP8[p>>0]=ret?1:0;break;default:throw"internal glGet error, bad type: "+type}}function _emscripten_glGetBooleanv(name_,p){emscriptenWebGLGet(name_,p,"Boolean")}function _emscripten_glGetBufferParameteriv(target,value,data){if(!data){GL.recordError(1281);return}HEAP32[data>>2]=GLctx.getBufferParameter(target,value)}function _emscripten_glGetError(){if(GL.lastError){var error=GL.lastError;GL.lastError=0;return error}else{return GLctx.getError()}}function _emscripten_glGetFloatv(name_,p){emscriptenWebGLGet(name_,p,"Float")}function _emscripten_glGetFramebufferAttachmentParameteriv(target,attachment,pname,params){var result=GLctx.getFramebufferAttachmentParameter(target,attachment,pname);HEAP32[params>>2]=result}function _emscripten_glGetInfoLogARB(){Module["printErr"]("missing function: emscripten_glGetInfoLogARB");abort(-1)}function _emscripten_glGetIntegerv(name_,p){emscriptenWebGLGet(name_,p,"Integer")}function _emscripten_glGetObjectParameterivARB(){Module["printErr"]("missing function: emscripten_glGetObjectParameterivARB");abort(-1)}function _emscripten_glGetPointerv(){Module["printErr"]("missing function: emscripten_glGetPointerv");abort(-1)}function _emscripten_glGetProgramInfoLog(program,maxLength,length,infoLog){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";if(maxLength>0&&infoLog){var numBytesWrittenExclNull=stringToUTF8(log,infoLog,maxLength);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}}function _emscripten_glGetProgramiv(program,pname,p){if(!p){GL.recordError(1281);return}if(program>=GL.counter){GL.recordError(1281);return}var ptable=GL.programInfos[program];if(!ptable){GL.recordError(1282);return}if(pname==35716){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35719){HEAP32[p>>2]=ptable.maxUniformLength}else if(pname==35722){if(ptable.maxAttributeLength==-1){program=GL.programs[program];var numAttribs=GLctx.getProgramParameter(program,GLctx.ACTIVE_ATTRIBUTES);ptable.maxAttributeLength=0;for(var i=0;i<numAttribs;++i){var activeAttrib=GLctx.getActiveAttrib(program,i);ptable.maxAttributeLength=Math.max(ptable.maxAttributeLength,activeAttrib.name.length+1)}}HEAP32[p>>2]=ptable.maxAttributeLength}else if(pname==35381){if(ptable.maxUniformBlockNameLength==-1){program=GL.programs[program];var numBlocks=GLctx.getProgramParameter(program,GLctx.ACTIVE_UNIFORM_BLOCKS);ptable.maxUniformBlockNameLength=0;for(var i=0;i<numBlocks;++i){var activeBlockName=GLctx.getActiveUniformBlockName(program,i);ptable.maxUniformBlockNameLength=Math.max(ptable.maxUniformBlockNameLength,activeBlockName.length+1)}}HEAP32[p>>2]=ptable.maxUniformBlockNameLength}else{HEAP32[p>>2]=GLctx.getProgramParameter(GL.programs[program],pname)}}function _emscripten_glGetRenderbufferParameteriv(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx.getRenderbufferParameter(target,pname)}function _emscripten_glGetShaderInfoLog(shader,maxLength,length,infoLog){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";if(maxLength>0&&infoLog){var numBytesWrittenExclNull=stringToUTF8(log,infoLog,maxLength);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}}function _emscripten_glGetShaderPrecisionFormat(shaderType,precisionType,range,precision){var result=GLctx.getShaderPrecisionFormat(shaderType,precisionType);HEAP32[range>>2]=result.rangeMin;HEAP32[range+4>>2]=result.rangeMax;HEAP32[precision>>2]=result.precision}function _emscripten_glGetShaderSource(shader,bufSize,length,source){var result=GLctx.getShaderSource(GL.shaders[shader]);if(!result)return;if(bufSize>0&&source){var numBytesWrittenExclNull=stringToUTF8(result,source,bufSize);if(length)HEAP32[length>>2]=numBytesWrittenExclNull}else{if(length)HEAP32[length>>2]=0}}function _emscripten_glGetShaderiv(shader,pname,p){if(!p){GL.recordError(1281);return}if(pname==35716){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35720){var source=GLctx.getShaderSource(GL.shaders[shader]);var sourceLength=source===null||source.length==0?0:source.length+1;HEAP32[p>>2]=sourceLength}else{HEAP32[p>>2]=GLctx.getShaderParameter(GL.shaders[shader],pname)}}function _emscripten_glGetString(name_){if(GL.stringCache[name_])return GL.stringCache[name_];var ret;switch(name_){case 7936:case 7937:case 37445:case 37446:ret=allocate(intArrayFromString(GLctx.getParameter(name_)),"i8",ALLOC_NORMAL);break;case 7938:var glVersion=GLctx.getParameter(GLctx.VERSION);{glVersion="OpenGL ES 2.0 ("+glVersion+")"}ret=allocate(intArrayFromString(glVersion),"i8",ALLOC_NORMAL);break;case 7939:var exts=GLctx.getSupportedExtensions();var gl_exts=[];for(var i=0;i<exts.length;++i){gl_exts.push(exts[i]);gl_exts.push("GL_"+exts[i])}ret=allocate(intArrayFromString(gl_exts.join(" ")),"i8",ALLOC_NORMAL);break;case 35724:var glslVersion=GLctx.getParameter(GLctx.SHADING_LANGUAGE_VERSION);var ver_re=/^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;var ver_num=glslVersion.match(ver_re);if(ver_num!==null){if(ver_num[1].length==3)ver_num[1]=ver_num[1]+"0";glslVersion="OpenGL ES GLSL ES "+ver_num[1]+" ("+glslVersion+")"}ret=allocate(intArrayFromString(glslVersion),"i8",ALLOC_NORMAL);break;default:GL.recordError(1280);return 0}GL.stringCache[name_]=ret;return ret}function _emscripten_glGetTexParameterfv(target,pname,params){if(!params){GL.recordError(1281);return}HEAPF32[params>>2]=GLctx.getTexParameter(target,pname)}function _emscripten_glGetTexParameteriv(target,pname,params){if(!params){GL.recordError(1281);return}HEAP32[params>>2]=GLctx.getTexParameter(target,pname)}function _emscripten_glGetUniformLocation(program,name){name=Pointer_stringify(name);var arrayOffset=0;if(name.indexOf("]",name.length-1)!==-1){var ls=name.lastIndexOf("[");var arrayIndex=name.slice(ls+1,-1);if(arrayIndex.length>0){arrayOffset=parseInt(arrayIndex);if(arrayOffset<0){return-1}}name=name.slice(0,ls)}var ptable=GL.programInfos[program];if(!ptable){return-1}var utable=ptable.uniforms;var uniformInfo=utable[name];if(uniformInfo&&arrayOffset<uniformInfo[0]){return uniformInfo[1]+arrayOffset}else{return-1}}function emscriptenWebGLGetUniform(program,location,params,type){if(!params){GL.recordError(1281);return}var data=GLctx.getUniform(GL.programs[program],GL.uniforms[location]);if(typeof data=="number"||typeof data=="boolean"){switch(type){case"Integer":HEAP32[params>>2]=data;break;case"Float":HEAPF32[params>>2]=data;break;default:throw"internal emscriptenWebGLGetUniform() error, bad type: "+type}}else{for(var i=0;i<data.length;i++){switch(type){case"Integer":HEAP32[params+i*4>>2]=data[i];break;case"Float":HEAPF32[params+i*4>>2]=data[i];break;default:throw"internal emscriptenWebGLGetUniform() error, bad type: "+type}}}}function _emscripten_glGetUniformfv(program,location,params){emscriptenWebGLGetUniform(program,location,params,"Float")}function _emscripten_glGetUniformiv(program,location,params){emscriptenWebGLGetUniform(program,location,params,"Integer")}function _emscripten_glGetVertexAttribPointerv(index,pname,pointer){if(!pointer){GL.recordError(1281);return}HEAP32[pointer>>2]=GLctx.getVertexAttribOffset(index,pname)}function emscriptenWebGLGetVertexAttrib(index,pname,params,type){if(!params){GL.recordError(1281);return}var data=GLctx.getVertexAttrib(index,pname);if(pname==34975){HEAP32[params>>2]=data["name"]}else if(typeof data=="number"||typeof data=="boolean"){switch(type){case"Integer":HEAP32[params>>2]=data;break;case"Float":HEAPF32[params>>2]=data;break;case"FloatToInteger":HEAP32[params>>2]=Math.fround(data);break;default:throw"internal emscriptenWebGLGetVertexAttrib() error, bad type: "+type}}else{for(var i=0;i<data.length;i++){switch(type){case"Integer":HEAP32[params+i*4>>2]=data[i];break;case"Float":HEAPF32[params+i*4>>2]=data[i];break;case"FloatToInteger":HEAP32[params+i*4>>2]=Math.fround(data[i]);break;default:throw"internal emscriptenWebGLGetVertexAttrib() error, bad type: "+type}}}}function _emscripten_glGetVertexAttribfv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,"Float")}function _emscripten_glGetVertexAttribiv(index,pname,params){emscriptenWebGLGetVertexAttrib(index,pname,params,"FloatToInteger")}function _emscripten_glHint(x0,x1){GLctx["hint"](x0,x1)}function _emscripten_glIsBuffer(buffer){var b=GL.buffers[buffer];if(!b)return 0;return GLctx.isBuffer(b)}function _emscripten_glIsEnabled(x0){return GLctx["isEnabled"](x0)}function _emscripten_glIsFramebuffer(framebuffer){var fb=GL.framebuffers[framebuffer];if(!fb)return 0;return GLctx.isFramebuffer(fb)}function _emscripten_glIsProgram(program){program=GL.programs[program];if(!program)return 0;return GLctx.isProgram(program)}function _emscripten_glIsRenderbuffer(renderbuffer){var rb=GL.renderbuffers[renderbuffer];if(!rb)return 0;return GLctx.isRenderbuffer(rb)}function _emscripten_glIsShader(shader){var s=GL.shaders[shader];if(!s)return 0;return GLctx.isShader(s)}function _emscripten_glIsTexture(texture){var texture=GL.textures[texture];if(!texture)return 0;return GLctx.isTexture(texture)}function _emscripten_glIsVertexArray(array){var vao=GL.vaos[array];if(!vao)return 0;return GLctx["isVertexArray"](vao)}function _emscripten_glLineWidth(x0){GLctx["lineWidth"](x0)}function _emscripten_glLinkProgram(program){GLctx.linkProgram(GL.programs[program]);GL.programInfos[program]=null;GL.populateUniformTable(program)}function _emscripten_glLoadIdentity(){throw"Legacy GL function (glLoadIdentity) called. If you want legacy GL emulation, you need to compile with -s LEGACY_GL_EMULATION=1 to enable legacy GL emulation."}function _emscripten_glLoadMatrixf(){Module["printErr"]("missing function: emscripten_glLoadMatrixf");abort(-1)}function _emscripten_glMatrixMode(){throw"Legacy GL function (glMatrixMode) called. If you want legacy GL emulation, you need to compile with -s LEGACY_GL_EMULATION=1 to enable legacy GL emulation."}function _emscripten_glNormalPointer(){Module["printErr"]("missing function: emscripten_glNormalPointer");abort(-1)}function _emscripten_glPixelStorei(pname,param){if(pname==3333){GL.packAlignment=param}else if(pname==3317){GL.unpackAlignment=param}GLctx.pixelStorei(pname,param)}function _emscripten_glPolygonOffset(x0,x1){GLctx["polygonOffset"](x0,x1)}function emscriptenWebGLComputeImageSize(width,height,sizePerPixel,alignment){function roundedToNextMultipleOf(x,y){return Math.floor((x+y-1)/y)*y}var plainRowSize=width*sizePerPixel;var alignedRowSize=roundedToNextMultipleOf(plainRowSize,alignment);return height<=0?0:(height-1)*alignedRowSize+plainRowSize}function emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat){var sizePerPixel;var numChannels;switch(format){case 6406:case 6409:case 6402:numChannels=1;break;case 6410:numChannels=2;break;case 6407:case 35904:numChannels=3;break;case 6408:case 35906:numChannels=4;break;default:GL.recordError(1280);return null}switch(type){case 5121:sizePerPixel=numChannels*1;break;case 5123:case 36193:sizePerPixel=numChannels*2;break;case 5125:case 5126:sizePerPixel=numChannels*4;break;case 34042:sizePerPixel=4;break;case 33635:case 32819:case 32820:sizePerPixel=2;break;default:GL.recordError(1280);return null}var bytes=emscriptenWebGLComputeImageSize(width,height,sizePerPixel,GL.unpackAlignment);switch(type){case 5121:return HEAPU8.subarray(pixels,pixels+bytes);case 5126:return HEAPF32.subarray(pixels>>2,pixels+bytes>>2);case 5125:case 34042:return HEAPU32.subarray(pixels>>2,pixels+bytes>>2);case 5123:case 33635:case 32819:case 32820:case 36193:return HEAPU16.subarray(pixels>>1,pixels+bytes>>1);default:GL.recordError(1280);return null}}function _emscripten_glReadPixels(x,y,width,height,format,type,pixels){var pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,format);if(!pixelData){GL.recordError(1280);return}GLctx.readPixels(x,y,width,height,format,type,pixelData)}function _emscripten_glReleaseShaderCompiler(){}function _emscripten_glRenderbufferStorage(x0,x1,x2,x3){GLctx["renderbufferStorage"](x0,x1,x2,x3)}function _emscripten_glRotatef(){Module["printErr"]("missing function: emscripten_glRotatef");abort(-1)}function _emscripten_glSampleCoverage(value,invert){GLctx.sampleCoverage(value,!!invert)}function _emscripten_glScissor(x0,x1,x2,x3){GLctx["scissor"](x0,x1,x2,x3)}function _emscripten_glShaderBinary(){GL.recordError(1280)}function _emscripten_glShaderSource(shader,count,string,length){var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)}function _emscripten_glStencilFunc(x0,x1,x2){GLctx["stencilFunc"](x0,x1,x2)}function _emscripten_glStencilFuncSeparate(x0,x1,x2,x3){GLctx["stencilFuncSeparate"](x0,x1,x2,x3)}function _emscripten_glStencilMask(x0){GLctx["stencilMask"](x0)}function _emscripten_glStencilMaskSeparate(x0,x1){GLctx["stencilMaskSeparate"](x0,x1)}function _emscripten_glStencilOp(x0,x1,x2){GLctx["stencilOp"](x0,x1,x2)}function _emscripten_glStencilOpSeparate(x0,x1,x2,x3){GLctx["stencilOpSeparate"](x0,x1,x2,x3)}function _emscripten_glTexCoordPointer(){Module["printErr"]("missing function: emscripten_glTexCoordPointer");abort(-1)}function _emscripten_glTexImage2D(target,level,internalFormat,width,height,border,format,type,pixels){var pixelData=null;if(pixels)pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat);GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixelData)}function _emscripten_glTexParameterf(x0,x1,x2){GLctx["texParameterf"](x0,x1,x2)}function _emscripten_glTexParameterfv(target,pname,params){var param=HEAPF32[params>>2];GLctx.texParameterf(target,pname,param)}function _emscripten_glTexParameteri(x0,x1,x2){GLctx["texParameteri"](x0,x1,x2)}function _emscripten_glTexParameteriv(target,pname,params){var param=HEAP32[params>>2];GLctx.texParameteri(target,pname,param)}function _emscripten_glTexSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels){var pixelData=null;if(pixels)pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,0);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixelData)}function _emscripten_glUniform1f(location,v0){GLctx.uniform1f(GL.uniforms[location],v0)}function _emscripten_glUniform1fv(location,count,value){var view;if(count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[count-1];for(var i=0;i<count;++i){view[i]=HEAPF32[value+4*i>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*4>>2)}GLctx.uniform1fv(GL.uniforms[location],view)}function _emscripten_glUniform1i(location,v0){GLctx.uniform1i(GL.uniforms[location],v0)}function _emscripten_glUniform1iv(location,count,value){GLctx.uniform1iv(GL.uniforms[location],HEAP32.subarray(value>>2,value+count*4>>2))}function _emscripten_glUniform2f(location,v0,v1){GLctx.uniform2f(GL.uniforms[location],v0,v1)}function _emscripten_glUniform2fv(location,count,value){var view;if(2*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[2*count-1];for(var i=0;i<2*count;i+=2){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2fv(GL.uniforms[location],view)}function _emscripten_glUniform2i(location,v0,v1){GLctx.uniform2i(GL.uniforms[location],v0,v1)}function _emscripten_glUniform2iv(location,count,value){GLctx.uniform2iv(GL.uniforms[location],HEAP32.subarray(value>>2,value+count*8>>2))}function _emscripten_glUniform3f(location,v0,v1,v2){GLctx.uniform3f(GL.uniforms[location],v0,v1,v2)}function _emscripten_glUniform3fv(location,count,value){var view;if(3*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[3*count-1];for(var i=0;i<3*count;i+=3){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*12>>2)}GLctx.uniform3fv(GL.uniforms[location],view)}function _emscripten_glUniform3i(location,v0,v1,v2){GLctx.uniform3i(GL.uniforms[location],v0,v1,v2)}function _emscripten_glUniform3iv(location,count,value){GLctx.uniform3iv(GL.uniforms[location],HEAP32.subarray(value>>2,value+count*12>>2))}function _emscripten_glUniform4f(location,v0,v1,v2,v3){GLctx.uniform4f(GL.uniforms[location],v0,v1,v2,v3)}function _emscripten_glUniform4fv(location,count,value){var view;if(4*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[4*count-1];for(var i=0;i<4*count;i+=4){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniform4fv(GL.uniforms[location],view)}function _emscripten_glUniform4i(location,v0,v1,v2,v3){GLctx.uniform4i(GL.uniforms[location],v0,v1,v2,v3)}function _emscripten_glUniform4iv(location,count,value){GLctx.uniform4iv(GL.uniforms[location],HEAP32.subarray(value>>2,value+count*16>>2))}function _emscripten_glUniformMatrix2fv(location,count,transpose,value){var view;if(4*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[4*count-1];for(var i=0;i<4*count;i+=4){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniformMatrix2fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUniformMatrix3fv(location,count,transpose,value){var view;if(9*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[9*count-1];for(var i=0;i<9*count;i+=9){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2];view[i+4]=HEAPF32[value+(4*i+16)>>2];view[i+5]=HEAPF32[value+(4*i+20)>>2];view[i+6]=HEAPF32[value+(4*i+24)>>2];view[i+7]=HEAPF32[value+(4*i+28)>>2];view[i+8]=HEAPF32[value+(4*i+32)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*36>>2)}GLctx.uniformMatrix3fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUniformMatrix4fv(location,count,transpose,value){var view;if(16*count<=GL.MINI_TEMP_BUFFER_SIZE){view=GL.miniTempBufferViews[16*count-1];for(var i=0;i<16*count;i+=16){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2];view[i+4]=HEAPF32[value+(4*i+16)>>2];view[i+5]=HEAPF32[value+(4*i+20)>>2];view[i+6]=HEAPF32[value+(4*i+24)>>2];view[i+7]=HEAPF32[value+(4*i+28)>>2];view[i+8]=HEAPF32[value+(4*i+32)>>2];view[i+9]=HEAPF32[value+(4*i+36)>>2];view[i+10]=HEAPF32[value+(4*i+40)>>2];view[i+11]=HEAPF32[value+(4*i+44)>>2];view[i+12]=HEAPF32[value+(4*i+48)>>2];view[i+13]=HEAPF32[value+(4*i+52)>>2];view[i+14]=HEAPF32[value+(4*i+56)>>2];view[i+15]=HEAPF32[value+(4*i+60)>>2]}}else{view=HEAPF32.subarray(value>>2,value+count*64>>2)}GLctx.uniformMatrix4fv(GL.uniforms[location],!!transpose,view)}function _emscripten_glUseProgram(program){GLctx.useProgram(program?GL.programs[program]:null)}function _emscripten_glValidateProgram(program){GLctx.validateProgram(GL.programs[program])}function _emscripten_glVertexAttrib1f(x0,x1){GLctx["vertexAttrib1f"](x0,x1)}function _emscripten_glVertexAttrib1fv(index,v){GLctx.vertexAttrib1f(index,HEAPF32[v>>2])}function _emscripten_glVertexAttrib2f(x0,x1,x2){GLctx["vertexAttrib2f"](x0,x1,x2)}function _emscripten_glVertexAttrib2fv(index,v){GLctx.vertexAttrib2f(index,HEAPF32[v>>2],HEAPF32[v+4>>2])}function _emscripten_glVertexAttrib3f(x0,x1,x2,x3){GLctx["vertexAttrib3f"](x0,x1,x2,x3)}function _emscripten_glVertexAttrib3fv(index,v){GLctx.vertexAttrib3f(index,HEAPF32[v>>2],HEAPF32[v+4>>2],HEAPF32[v+8>>2])}function _emscripten_glVertexAttrib4f(x0,x1,x2,x3,x4){GLctx["vertexAttrib4f"](x0,x1,x2,x3,x4)}function _emscripten_glVertexAttrib4fv(index,v){GLctx.vertexAttrib4f(index,HEAPF32[v>>2],HEAPF32[v+4>>2],HEAPF32[v+8>>2],HEAPF32[v+12>>2])}function _emscripten_glVertexAttribDivisor(index,divisor){GLctx["vertexAttribDivisor"](index,divisor)}function _emscripten_glVertexAttribPointer(index,size,type,normalized,stride,ptr){GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)}function _emscripten_glVertexPointer(){throw"Legacy GL function (glVertexPointer) called. If you want legacy GL emulation, you need to compile with -s LEGACY_GL_EMULATION=1 to enable legacy GL emulation."}function _emscripten_glViewport(x0,x1,x2,x3){GLctx["viewport"](x0,x1,x2,x3)}function __setLetterbox(element,topBottom,leftRight){if(JSEvents.isInternetExplorer()){element.style.marginLeft=element.style.marginRight=leftRight+"px";element.style.marginTop=element.style.marginBottom=topBottom+"px"}else{element.style.paddingLeft=element.style.paddingRight=leftRight+"px";element.style.paddingTop=element.style.paddingBottom=topBottom+"px"}}function _emscripten_do_request_fullscreen(target,strategy){if(typeof JSEvents.fullscreenEnabled()==="undefined")return-1;if(!JSEvents.fullscreenEnabled())return-3;if(!target)target="#canvas";target=JSEvents.findEventTarget(target);if(!target)return-4;if(!target.requestFullscreen&&!target.msRequestFullscreen&&!target.mozRequestFullScreen&&!target.mozRequestFullscreen&&!target.webkitRequestFullscreen){return-3}var canPerformRequests=JSEvents.canPerformEventHandlerRequests();if(!canPerformRequests){if(strategy.deferUntilInEventHandler){JSEvents.deferCall(JSEvents.requestFullscreen,1,[target,strategy]);return 1}else{return-2}}return JSEvents.requestFullscreen(target,strategy)}function __registerRestoreOldStyle(canvas){var oldWidth=canvas.width;var oldHeight=canvas.height;var oldCssWidth=canvas.style.width;var oldCssHeight=canvas.style.height;var oldBackgroundColor=canvas.style.backgroundColor;var oldDocumentBackgroundColor=document.body.style.backgroundColor;var oldPaddingLeft=canvas.style.paddingLeft;var oldPaddingRight=canvas.style.paddingRight;var oldPaddingTop=canvas.style.paddingTop;var oldPaddingBottom=canvas.style.paddingBottom;var oldMarginLeft=canvas.style.marginLeft;var oldMarginRight=canvas.style.marginRight;var oldMarginTop=canvas.style.marginTop;var oldMarginBottom=canvas.style.marginBottom;var oldDocumentBodyMargin=document.body.style.margin;var oldDocumentOverflow=document.documentElement.style.overflow;var oldDocumentScroll=document.body.scroll;var oldImageRendering=canvas.style.imageRendering;function restoreOldStyle(){var fullscreenElement=document.fullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement||document.msFullscreenElement;if(!fullscreenElement){document.removeEventListener("fullscreenchange",restoreOldStyle);document.removeEventListener("mozfullscreenchange",restoreOldStyle);document.removeEventListener("webkitfullscreenchange",restoreOldStyle);document.removeEventListener("MSFullscreenChange",restoreOldStyle);canvas.width=oldWidth;canvas.height=oldHeight;canvas.style.width=oldCssWidth;canvas.style.height=oldCssHeight;canvas.style.backgroundColor=oldBackgroundColor;if(!oldDocumentBackgroundColor)document.body.style.backgroundColor="white";document.body.style.backgroundColor=oldDocumentBackgroundColor;canvas.style.paddingLeft=oldPaddingLeft;canvas.style.paddingRight=oldPaddingRight;canvas.style.paddingTop=oldPaddingTop;canvas.style.paddingBottom=oldPaddingBottom;canvas.style.marginLeft=oldMarginLeft;canvas.style.marginRight=oldMarginRight;canvas.style.marginTop=oldMarginTop;canvas.style.marginBottom=oldMarginBottom;document.body.style.margin=oldDocumentBodyMargin;document.documentElement.style.overflow=oldDocumentOverflow;document.body.scroll=oldDocumentScroll;canvas.style.imageRendering=oldImageRendering;if(canvas.GLctxObject)canvas.GLctxObject.GLctx.viewport(0,0,oldWidth,oldHeight);if(__currentFullscreenStrategy.canvasResizedCallback){Module["dynCall_iiii"](__currentFullscreenStrategy.canvasResizedCallback,37,0,__currentFullscreenStrategy.canvasResizedCallbackUserData)}}}document.addEventListener("fullscreenchange",restoreOldStyle);document.addEventListener("mozfullscreenchange",restoreOldStyle);document.addEventListener("webkitfullscreenchange",restoreOldStyle);document.addEventListener("MSFullscreenChange",restoreOldStyle);return restoreOldStyle}function _emscripten_request_fullscreen_strategy(target,deferUntilInEventHandler,fullscreenStrategy){var strategy={};strategy.scaleMode=HEAP32[fullscreenStrategy>>2];strategy.canvasResolutionScaleMode=HEAP32[fullscreenStrategy+4>>2];strategy.filteringMode=HEAP32[fullscreenStrategy+8>>2];strategy.deferUntilInEventHandler=deferUntilInEventHandler;strategy.canvasResizedCallback=HEAP32[fullscreenStrategy+12>>2];strategy.canvasResizedCallbackUserData=HEAP32[fullscreenStrategy+16>>2];__currentFullscreenStrategy=strategy;return _emscripten_do_request_fullscreen(target,strategy)}function _emscripten_request_pointerlock(target,deferUntilInEventHandler){if(!target)target="#canvas";target=JSEvents.findEventTarget(target);if(!target)return-4;if(!target.requestPointerLock&&!target.mozRequestPointerLock&&!target.webkitRequestPointerLock&&!target.msRequestPointerLock){return-1}var canPerformRequests=JSEvents.canPerformEventHandlerRequests();if(!canPerformRequests){if(deferUntilInEventHandler){JSEvents.deferCall(JSEvents.requestPointerLock,2,[target]);return 1}else{return-2}}return JSEvents.requestPointerLock(target)}function _emscripten_set_blur_callback(target,userData,useCapture,callbackfunc){JSEvents.registerFocusEventCallback(target,userData,useCapture,callbackfunc,12,"blur");return 0}function _emscripten_set_canvas_size(width,height){Browser.setCanvasSize(width,height)}function _emscripten_set_element_css_size(target,width,height){if(!target){target=Module["canvas"]}else{target=JSEvents.findEventTarget(target)}if(!target)return-4;target.style.setProperty("width",width+"px");target.style.setProperty("height",height+"px");return 0}function _emscripten_set_focus_callback(target,userData,useCapture,callbackfunc){JSEvents.registerFocusEventCallback(target,userData,useCapture,callbackfunc,13,"focus");return 0}function 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Build with -s ASSERTIONS=1 for more info."}Module["abort"]=abort;if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=true;if(Module["noInitialRun"]){shouldRunNow=false}Module["noExitRuntime"]=true;run() + + + diff --git a/md/demo/sdl/index.wasm b/md/demo/sdl/index.wasm Binary files differnew file mode 100644 index 0000000..e41722f --- /dev/null +++ b/md/demo/sdl/index.wasm diff --git a/md/writeup/web_assembly_sdl_example.md b/md/writeup/web_assembly_sdl_example.md index 0e36f79..d2fc0aa 100644 --- a/md/writeup/web_assembly_sdl_example.md +++ b/md/writeup/web_assembly_sdl_example.md @@ -33,8 +33,29 @@ Porting requiring to define loop that will be registered for webassembly engine There need to be covered more things if there is need to use some fonts,images or files. But for now its minimal example that will draw SDL window in your browser ;] -## Source +## Demo + +This example compilable for PC target and for webassembly. Enjoy playing with it. + +<script type='text/javascript'> + var Module = {}; + fetch('/demo/sdl/index.wasm') + .then(response => + response.arrayBuffer() + ).then(buffer => { + Module.canvas = document.getElementById("canvas"); + Module.wasmBinary = buffer; + var script = document.createElement('script'); + script.src = "/demo/sdl/index.js"; + script.onload = function() { + console.log("Emscripten boilerplate loaded.") + } + document.body.appendChild(script); + }); +</script><canvas id="canvas" style="width:100%; height:100%;"></canvas> + +## Source ```c @@ -50,29 +71,36 @@ now its minimal example that will draw SDL window in your browser ;] #include <SDL2/SDL_ttf.h> #endif -#define SCREEN_WIDTH 200 +#define SCREEN_WIDTH 200 #define SCREEN_HEIGHT 200 SDL_Window *window = NULL; -SDL_Surface *screen = NULL; -SDL_Surface *blank = NULL; +SDL_Renderer *renderer = NULL; #define MAX(a,b) ((a) > (b) ? a : b) #define MIN(a,b) ((a) < (b) ? a : b) +int posX=0; +int posY=0; +int sizeW=20; +int sizeH=20; + +static int quit = 0; + void render() { + SDL_Rect r_scr; - r_scr.x = 10; - r_scr.y = 20; - r_scr.w = 10; - r_scr.h = 10; - SDL_Rect r_im; - r_im.x = 0; - r_im.y = 0; - r_im.w = 16; - r_im.h = 16; - SDL_BlitSurface(blank, NULL, screen, &r_scr); + r_scr.x = posX; + r_scr.y = posY; + r_scr.w = sizeW; + r_scr.h = sizeH; + SDL_SetRenderDrawColor( renderer, 0x00, 0x00, 0x00, 0xFF ); + SDL_RenderClear(renderer); + + SDL_SetRenderDrawColor(renderer, 0xff, 0xff, 0x00, 0x00); + SDL_RenderDrawRect(renderer, &r_scr); + SDL_RenderPresent(renderer); } #if __EMSCRIPTEN__ @@ -81,6 +109,61 @@ void main_tick() { int main_tick() { #endif + SDL_Event event; + + while (SDL_PollEvent(&event)) + { + switch (event.type) + { + case SDL_QUIT: + { + quit = 1; + break; + } + case SDL_KEYDOWN: + { + switch (event.key.keysym.sym) + { + case SDLK_UP: + { + if (posY>=20) + { + posY-=20; + } + break; + } + case SDLK_DOWN: + { + if (posY+sizeH<SCREEN_HEIGHT) + { + posY += 20; + } + break; + } + case SDLK_LEFT: + { + if (posX>=20) + { + posX-=20; + } + break; + } + case SDLK_RIGHT: + { + if (posX+sizeW<SCREEN_WIDTH) + { + posX+=20; + } + break; + } + } + break; + } + } + + } + + render(); SDL_UpdateWindowSurface(window); @@ -95,24 +178,9 @@ void main_loop() #if __EMSCRIPTEN__ emscripten_set_main_loop(main_tick, -1, 1); #else - int quit = 0; - SDL_Event event; - - while (0 == quit) { - - while (SDL_PollEvent(&event)) - { - quit = main_tick(); - switch (event.type) - { - case SDL_QUIT: - quit = 1; - break; - } - - } + main_tick(); } #endif } @@ -126,23 +194,13 @@ int main() SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL); - screen = SDL_GetWindowSurface(window); - SDL_GL_SetSwapInterval(1); - blank = SDL_CreateRGBSurface(0, 16, 16, 32, 0, 255, 255, 50); - Uint32 color = SDL_MapRGB(blank->format, 150, 0 , 0); - for (int x = 0; x < 16; x++) - { - for (int y = 0; y < 16; y++) - { - Uint32 *bufp; - bufp = (Uint32 *)blank->pixels + y*blank->pitch/4 + x; - *bufp = color; - } - } + renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED); + SDL_SetRenderDrawColor(renderer, 0xff, 0xff, 0xff, 0xff); main_loop(); + SDL_DestroyRenderer(renderer); SDL_DestroyWindow(window); SDL_Quit(); |