filament/docs/web/lib/filament.js

var Filament=(()=>{var _scriptName=globalThis.document?.currentScript?.src;return async function(moduleArg={}){var moduleRtn;var Module=moduleArg;var ENVIRONMENT_IS_WEB=!!globalThis.window;var ENVIRONMENT_IS_WORKER=!!globalThis.WorkerGlobalScope;var ENVIRONMENT_IS_NODE=globalThis.process?.versions?.node&&globalThis.process?.type!="renderer";var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};if(typeof __filename!="undefined"){_scriptName=__filename}else if(ENVIRONMENT_IS_WORKER){_scriptName=self.location.href}var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("node:fs");scriptDirectory=__dirname+"/";readBinary=filename=>{filename=isFileURI(filename)?new URL(filename):filename;var ret=fs.readFileSync(filename);return ret};readAsync=async(filename,binary=true)=>{filename=isFileURI(filename)?new URL(filename):filename;var ret=fs.readFileSync(filename,binary?undefined:"utf8");return ret};if(process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){try{scriptDirectory=new URL(".",_scriptName).href}catch{}{if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=async url=>{if(isFileURI(url)){return new Promise((resolve,reject)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){resolve(xhr.response);return}reject(xhr.status)};xhr.onerror=reject;xhr.send(null)})}var response=await fetch(url,{credentials:"same-origin"});if(response.ok){return response.arrayBuffer()}throw new Error(response.status+" : "+response.url)}}}else{}var out=console.log.bind(console);var err=console.error.bind(console);var wasmBinary;var ABORT=false;var isFileURI=filename=>filename.startsWith("file://");var readyPromiseResolve,readyPromiseReject;var runtimeInitialized=false;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b);HEAP64=new BigInt64Array(b);HEAPU64=new BigUint64Array(b)}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(onPreRuns)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.initialized)FS.init();TTY.init();wasmExports["sc"]();FS.ignorePermissions=false}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(onPostRuns)}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject?.(e);throw e}var wasmBinaryFile;function findWasmBinary(){return locateFile("filament.wasm")}function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}async function getWasmBinary(binaryFile){if(!wasmBinary){try{var response=await readAsync(binaryFile);return new Uint8Array(response)}catch{}}return getBinarySync(binaryFile)}async function instantiateArrayBuffer(binaryFile,imports){try{var binary=await getWasmBinary(binaryFile);var instance=await WebAssembly.instantiate(binary,imports);return instance}catch(reason){err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)}}async function instantiateAsync(binary,binaryFile,imports){if(!binary&&!isFileURI(binaryFile)&&!ENVIRONMENT_IS_NODE){try{var response=fetch(binaryFile,{credentials:"same-origin"});var instantiationResult=await WebAssembly.instantiateStreaming(response,imports);return instantiationResult}catch(reason){err(`wasm streaming compile failed: ${reason}`);err("falling back to ArrayBuffer instantiation")}}return instantiateArrayBuffer(binaryFile,imports)}function getWasmImports(){var imports={a:wasmImports};return imports}async function createWasm(){function receiveInstance(instance,module){wasmExports=instance.exports;assignWasmExports(wasmExports);updateMemoryViews();return wasmExports}function receiveInstantiationResult(result){return receiveInstance(result["instance"])}var info=getWasmImports();if(Module["instantiateWasm"]){return new Promise((resolve,reject)=>{Module["instantiateWasm"](info,(inst,mod)=>{resolve(receiveInstance(inst,mod))})})}wasmBinaryFile??=findWasmBinary();var result=await instantiateAsync(wasmBinary,wasmBinaryFile,info);var exports=receiveInstantiationResult(result);return exports}class ExitStatus{name="ExitStatus";constructor(status){this.message=`Program terminated with exit(${status})`;this.status=status}}var HEAP16;var HEAP32;var HEAP64;var HEAP8;var HEAPF32;var HEAPF64;var HEAPU16;var HEAPU32;var HEAPU64;var HEAPU8;var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var onPostRuns=[];var addOnPostRun=cb=>onPostRuns.push(cb);var onPreRuns=[];var addOnPreRun=cb=>onPreRuns.push(cb);var noExitRuntime=true;class ExceptionInfo{constructor(excPtr){this.excPtr=excPtr;this.ptr=excPtr-24}set_type(type){HEAPU32[this.ptr+4>>2]=type}get_type(){return HEAPU32[this.ptr+4>>2]}set_destructor(destructor){HEAPU32[this.ptr+8>>2]=destructor}get_destructor(){return HEAPU32[this.ptr+8>>2]}set_caught(caught){caught=caught?1:0;HEAP8[this.ptr+12]=caught}get_caught(){return HEAP8[this.ptr+12]!=0}set_rethrown(rethrown){rethrown=rethrown?1:0;HEAP8[this.ptr+13]=rethrown}get_rethrown(){return HEAP8[this.ptr+13]!=0}init(type,destructor){this.set_adjusted_ptr(0);this.set_type(type);this.set_destructor(destructor)}set_adjusted_ptr(adjustedPtr){HEAPU32[this.ptr+16>>2]=adjustedPtr}get_adjusted_ptr(){return HEAPU32[this.ptr+16>>2]}}var exceptionLast=0;var uncaughtExceptionCount=0;var ___cxa_throw=(ptr,type,destructor)=>{var info=new ExceptionInfo(ptr);info.init(type,destructor);exceptionLast=ptr;uncaughtExceptionCount++;throw exceptionLast};var syscallGetVarargI=()=>{var ret=HEAP32[+SYSCALLS.varargs>>2];SYSCALLS.varargs+=4;return ret};var syscallGetVarargP=syscallGetVarargI;var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.slice(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.slice(0,-1)}return root+dir},basename:path=>path&&path.match(/([^\/]+|\/)\/*$/)[1],join:(...paths)=>PATH.normalize(paths.join("/")),join2:(l,r)=>PATH.normalize(l+"/"+r)};var initRandomFill=()=>{if(ENVIRONMENT_IS_NODE){var nodeCrypto=require("node:crypto");return view=>nodeCrypto.randomFillSync(view)}return view=>crypto.getRandomValues(view)};var randomFill=view=>{(randomFill=initRandomFill())(view)};var PATH_FS={resolve:(...args)=>{var resolvedPath="",resolvedAbsolute=false;for(var i=args.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?args[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).slice(1);to=PATH_FS.resolve(to).slice(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 UTF8Decoder=globalThis.TextDecoder&&new TextDecoder;var findStringEnd=(heapOrArray,idx,maxBytesToRead,ignoreNul)=>{var maxIdx=idx+maxBytesToRead;if(ignoreNul)return maxIdx;while(heapOrArray[idx]&&!(idx>=maxIdx))++idx;return idx};var UTF8ArrayToString=(heapOrArray,idx=0,maxBytesToRead,ignoreNul)=>{var endPtr=findStringEnd(heapOrArray,idx,maxBytesToRead,ignoreNul);if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx<endPtr){var u0=heapOrArray[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=heapOrArray[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=heapOrArray[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|heapOrArray[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}return str};var FS_stdin_getChar_buffer=[];var lengthBytesUTF8=str=>{var len=0;for(var i=0;i<str.length;++i){var c=str.charCodeAt(i);if(c<=127){len++}else if(c<=2047){len+=2}else if(c>=55296&&c<=57343){len+=4;++i}else{len+=3}}return len};var stringToUTF8Array=(str,heap,outIdx,maxBytesToWrite)=>{if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i<str.length;++i){var u=str.codePointAt(i);if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63;i++}}heap[outIdx]=0;return outIdx-startIdx};var intArrayFromString=(stringy,dontAddNull,length)=>{var len=length>0?length:lengthBytesUTF8(stringy)+1;var u8array=new Array(len);var numBytesWritten=stringToUTF8Array(stringy,u8array,0,u8array.length);if(dontAddNull)u8array.length=numBytesWritten;return u8array};var FS_stdin_getChar=()=>{if(!FS_stdin_getChar_buffer.length){var result=null;if(ENVIRONMENT_IS_NODE){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;var fd=process.stdin.fd;try{bytesRead=fs.readSync(fd,buf,0,BUFSIZE)}catch(e){if(e.toString().includes("EOF"))bytesRead=0;else throw e}if(bytesRead>0){result=buf.slice(0,bytesRead).toString("utf-8")}}else if(globalThis.window?.prompt){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else{}if(!result){return null}FS_stdin_getChar_buffer=intArrayFromString(result,true)}return FS_stdin_getChar_buffer.shift()};var TTY={ttys:[],init(){},shutdown(){},register(dev,ops){TTY.ttys[dev]={input:[],output:[],ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close(stream){stream.tty.ops.fsync(stream.tty)},fsync(stream){stream.tty.ops.fsync(stream.tty)},read(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=stream.tty.ops.get_char(stream.tty)}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.atime=Date.now()}return bytesRead},write(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.put_char){throw new FS.ErrnoError(60)}try{for(var i=0;i<length;i++){stream.tty.ops.put_char(stream.tty,buffer[offset+i])}}catch(e){throw new FS.ErrnoError(29)}if(length){stream.node.mtime=stream.node.ctime=Date.now()}return i}},default_tty_ops:{get_char(tty){return FS_stdin_getChar()},put_char(tty,val){if(val===null||val===10){out(UTF8ArrayToString(tty.output));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output?.length>0){out(UTF8ArrayToString(tty.output));tty.output=[]}},ioctl_tcgets(tty){return{c_iflag:25856,c_oflag:5,c_cflag:191,c_lflag:35387,c_cc:[3,28,127,21,4,0,1,0,17,19,26,0,18,15,23,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}},ioctl_tcsets(tty,optional_actions,data){return 0},ioctl_tiocgwinsz(tty){return[24,80]}},default_tty1_ops:{put_char(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output?.length>0){err(UTF8ArrayToString(tty.output));tty.output=[]}}}};var mmapAlloc=size=>{abort()};var MEMFS={ops_table:null,mount(mount){return MEMFS.createNode(null,"/",16895,0)},createNode(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}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,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=MEMFS.emptyFileContents??=new Uint8Array(0)}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.atime=node.mtime=node.ctime=Date.now();if(parent){parent.contents[name]=node;parent.atime=parent.mtime=parent.ctime=node.atime}return node},getFileDataAsTypedArray(node){return node.contents.subarray(0,node.usedBytes)},expandFileStorage(node,newCapacity){var prevCapacity=node.contents.length;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)newCapacity=Math.max(newCapacity,256);var oldContents=MEMFS.getFileDataAsTypedArray(node);node.contents=new Uint8Array(newCapacity);node.contents.set(oldContents)},resizeFileStorage(node,newSize){if(node.usedBytes==newSize)return;var oldContents=node.contents;node.contents=new Uint8Array(newSize);node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)));node.usedBytes=newSize},node_ops:{getattr(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.atime);attr.mtime=new Date(node.mtime);attr.ctime=new Date(node.ctime);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr(node,attr){for(const key of["mode","atime","mtime","ctime"]){if(attr[key]!=null){node[key]=attr[key]}}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup(parent,name){if(!MEMFS.doesNotExistError){MEMFS.doesNotExistError=new FS.ErrnoError(44);MEMFS.doesNotExistError.stack="<generic error, no stack>"}throw MEMFS.doesNotExistError},mknod(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename(old_node,new_dir,new_name){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){if(FS.isDir(old_node.mode)){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}FS.hashRemoveNode(new_node)}delete old_node.parent.contents[old_node.name];new_dir.contents[new_name]=old_node;old_node.name=new_name;new_dir.ctime=new_dir.mtime=old_node.parent.ctime=old_node.parent.mtime=Date.now()},unlink(parent,name){delete parent.contents[name];parent.ctime=parent.mtime=Date.now()},rmdir(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.ctime=parent.mtime=Date.now()},readdir(node){return[".","..",...Object.keys(node.contents)]},symlink(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);buffer.set(contents.subarray(position,position+size),offset);return size},write(stream,buffer,offset,length,position,canOwn){if(buffer.buffer===HEAP8.buffer){canOwn=false}if(!length)return 0;var node=stream.node;node.mtime=node.ctime=Date.now();if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length}else{MEMFS.expandFileStorage(node,position+length);node.contents.set(buffer.subarray(offset,offset+length),position);node.usedBytes=Math.max(node.usedBytes,position+length)}return length},llseek(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},mmap(stream,length,position,prot,flags){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}var ptr;var allocated;var contents=stream.node.contents;if(!(flags&2)&&contents.buffer===HEAP8.buffer){allocated=false;ptr=contents.byteOffset}else{allocated=true;ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}if(contents){if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}HEAP8.set(contents,ptr)}}return{ptr,allocated}},msync(stream,buffer,offset,length,mmapFlags){MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};var FS_modeStringToFlags=str=>{if(typeof str!="string")return str;var flagModes={r:0,"r+":2,w:512|64|1,"w+":512|64|2,a:1024|64|1,"a+":1024|64|2};var flags=flagModes[str];if(typeof flags=="undefined"){throw new Error(`Unknown file open mode: ${str}`)}return flags};var FS_fileDataToTypedArray=data=>{if(typeof data=="string"){data=intArrayFromString(data,true)}if(!data.subarray){data=new Uint8Array(data)}return data};var FS_getMode=(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode};var asyncLoad=async url=>{var arrayBuffer=await readAsync(url);return new Uint8Array(arrayBuffer)};var FS_createDataFile=(...args)=>FS.createDataFile(...args);var getUniqueRunDependency=id=>id;var runDependencies=0;var dependenciesFulfilled=null;var removeRunDependency=id=>{runDependencies--;Module["monitorRunDependencies"]?.(runDependencies);if(runDependencies==0){if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}};var addRunDependency=id=>{runDependencies++;Module["monitorRunDependencies"]?.(runDependencies)};var preloadPlugins=[];var FS_handledByPreloadPlugin=async(byteArray,fullname)=>{if(typeof Browser!="undefined")Browser.init();for(var plugin of preloadPlugins){if(plugin["canHandle"](fullname)){return plugin["handle"](byteArray,fullname)}}return byteArray};var FS_preloadFile=async(parent,name,url,canRead,canWrite,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency(`cp ${fullname}`);addRunDependency(dep);try{var byteArray=url;if(typeof url=="string"){byteArray=await asyncLoad(url)}byteArray=await FS_handledByPreloadPlugin(byteArray,fullname);preFinish?.();if(!dontCreateFile){FS_createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}}finally{removeRunDependency(dep)}};var FS_createPreloadedFile=(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{FS_preloadFile(parent,name,url,canRead,canWrite,dontCreateFile,canOwn,preFinish).then(onload).catch(onerror)};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,filesystems:null,syncFSRequests:0,ErrnoError:class{name="ErrnoError";constructor(errno){this.errno=errno}},FSStream:class{shared={};get object(){return this.node}set object(val){this.node=val}get isRead(){return(this.flags&2097155)!==1}get isWrite(){return(this.flags&2097155)!==0}get isAppend(){return this.flags&1024}get flags(){return this.shared.flags}set flags(val){this.shared.flags=val}get position(){return this.shared.position}set position(val){this.shared.position=val}},FSNode:class{node_ops={};stream_ops={};readMode=292|73;writeMode=146;mounted=null;constructor(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.rdev=rdev;this.atime=this.mtime=this.ctime=Date.now()}get read(){return(this.mode&this.readMode)===this.readMode}set read(val){val?this.mode|=this.readMode:this.mode&=~this.readMode}get write(){return(this.mode&this.writeMode)===this.writeMode}set write(val){val?this.mode|=this.writeMode:this.mode&=~this.writeMode}get isFolder(){return FS.isDir(this.mode)}get isDevice(){return FS.isChrdev(this.mode)}},lookupPath(path,opts={}){if(!path){throw new FS.ErrnoError(44)}opts.follow_mount??=true;if(!PATH.isAbs(path)){path=FS.cwd()+"/"+path}linkloop:for(var nlinks=0;nlinks<40;nlinks++){var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i<parts.length;i++){var islast=i===parts.length-1;if(islast&&opts.parent){break}if(parts[i]==="."){continue}if(parts[i]===".."){current_path=PATH.dirname(current_path);if(FS.isRoot(current)){path=current_path+"/"+parts.slice(i+1).join("/");nlinks--;continue linkloop}else{current=current.parent}continue}current_path=PATH.join2(current_path,parts[i]);try{current=FS.lookupNode(current,parts[i])}catch(e){if(e?.errno===44&&islast&&opts.noent_okay){return{path:current_path}}throw e}if(FS.isMountpoint(current)&&(!islast||opts.follow_mount)){current=current.mounted.root}if(FS.isLink(current.mode)&&(!islast||opts.follow)){if(!current.node_ops.readlink){throw new FS.ErrnoError(52)}var link=current.node_ops.readlink(current);if(!PATH.isAbs(link)){link=PATH.dirname(current_path)+"/"+link}path=link+"/"+parts.slice(i+1).join("/");continue linkloop}}return{path:current_path,node:current}}throw new FS.ErrnoError(32)},getPath(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?`${mount}/${path}`:mount+path}path=path?`${node.name}/${path}`:node.name;node=node.parent}},hashName(parentid,name){var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode(parent,name,mode,rdev){var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode(node){FS.hashRemoveNode(node)},isRoot(node){return node===node.parent},isMountpoint(node){return!!node.mounted},isFile(mode){return(mode&61440)===32768},isDir(mode){return(mode&61440)===16384},isLink(mode){return(mode&61440)===40960},isChrdev(mode){return(mode&61440)===8192},isBlkdev(mode){return(mode&61440)===24576},isFIFO(mode){return(mode&61440)===4096},isSocket(mode){return(mode&49152)===49152},flagsToPermissionString(flag){var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions(node,perms){if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}if(perms.includes("w")&&!(node.mode&146)){return 2}if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup(dir){if(!FS.isDir(dir.mode))return 54;var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate(dir,name){if(!FS.isDir(dir.mode)){return 54}try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else if(FS.isDir(node.mode)){return 31}return 0},mayOpen(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}var mode=FS.flagsToPermissionString(flags);if(FS.isDir(node.mode)){if(mode!=="r"||flags&(512|64)){return 31}}return FS.nodePermissions(node,mode)},checkOpExists(op,err){if(!op){throw new FS.ErrnoError(err)}return op},MAX_OPEN_FDS:4096,nextfd(){for(var fd=0;fd<=FS.MAX_OPEN_FDS;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStreamChecked(fd){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}return stream},getStream:fd=>FS.streams[fd],createStream(stream,fd=-1){stream=Object.assign(new FS.FSStream,stream);if(fd==-1){fd=FS.nextfd()}stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream(fd){FS.streams[fd]=null},dupStream(origStream,fd=-1){var stream=FS.createStream(origStream,fd);stream.stream_ops?.dup?.(stream);return stream},doSetAttr(stream,node,attr){var setattr=stream?.stream_ops.setattr;var arg=setattr?stream:node;setattr??=node.node_ops.setattr;FS.checkOpExists(setattr,63);setattr(arg,attr)},chrdev_stream_ops:{open(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;stream.stream_ops.open?.(stream)},llseek(){throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice(dev,ops){FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push(...m.mounts)}return mounts},syncfs(populate,callback){if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`)}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}for(var mount of mounts){if(mount.type.syncfs){mount.type.syncfs(mount,populate,done)}else{done(null)}}},mount(type,opts,mountpoint){var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type,opts,mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);for(var[hash,current]of Object.entries(FS.nameTable)){while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}}node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup(parent,name){return parent.node_ops.lookup(parent,name)},mknod(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name){throw new FS.ErrnoError(28)}if(name==="."||name===".."){throw new FS.ErrnoError(20)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},statfs(path){return FS.statfsNode(FS.lookupPath(path,{follow:true}).node)},statfsStream(stream){return FS.statfsNode(stream.node)},statfsNode(node){var rtn={bsize:4096,frsize:4096,blocks:1e6,bfree:5e5,bavail:5e5,files:FS.nextInode,ffree:FS.nextInode-1,fsid:42,flags:2,namelen:255};if(node.node_ops.statfs){Object.assign(rtn,node.node_ops.statfs(node.mount.opts.root))}return rtn},create(path,mode=438){mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir(path,mode=511){mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree(path,mode){var dirs=path.split("/");var d="";for(var dir of dirs){if(!dir)continue;if(d||PATH.isAbs(path))d+="/";d+=dir;try{FS.mkdir(d,mode)}catch(e){if(e.errno!=20)throw e}}},mkdev(path,mode,dev){if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink(oldpath,newpath){if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename(old_path,new_path){var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name);old_node.parent=new_dir}catch(e){throw e}finally{FS.hashAddNode(old_node)}},rmdir(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,true);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.rmdir(parent,name);FS.destroyNode(node)},readdir(path){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;var readdir=FS.checkOpExists(node.node_ops.readdir,54);return readdir(node)},unlink(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink(path){var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return link.node_ops.readlink(link)},stat(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;var getattr=FS.checkOpExists(node.node_ops.getattr,63);return getattr(node)},fstat(fd){var stream=FS.getStreamChecked(fd);var node=stream.node;var getattr=stream.stream_ops.getattr;var arg=getattr?stream:node;getattr??=node.node_ops.getattr;FS.checkOpExists(getattr,63);return getattr(arg)},lstat(path){return FS.stat(path,true)},doChmod(stream,node,mode,dontFollow){FS.doSetAttr(stream,node,{mode:mode&4095|node.mode&~4095,ctime:Date.now(),dontFollow})},chmod(path,mode,dontFollow){var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}FS.doChmod(null,node,mode,dontFollow)},lchmod(path,mode){FS.chmod(path,mode,true)},fchmod(fd,mode){var stream=FS.getStreamChecked(fd);FS.doChmod(stream,stream.node,mode,false)},doChown(stream,node,dontFollow){FS.doSetAttr(stream,node,{timestamp:Date.now(),dontFollow})},chown(path,uid,gid,dontFollow){var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}FS.doChown(null,node,dontFollow)},lchown(path,uid,gid){FS.chown(path,uid,gid,true)},fchown(fd,uid,gid){var stream=FS.getStreamChecked(fd);FS.doChown(stream,stream.node,false)},doTruncate(stream,node,len){if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}FS.doSetAttr(stream,node,{size:len,timestamp:Date.now()})},truncate(path,len){if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}FS.doTruncate(null,node,len)},ftruncate(fd,len){var stream=FS.getStreamChecked(fd);if(len<0||(stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.doTruncate(stream,stream.node,len)},utime(path,atime,mtime){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;var setattr=FS.checkOpExists(node.node_ops.setattr,63);setattr(node,{atime,mtime})},open(path,flags,mode=438){if(path===""){throw new FS.ErrnoError(44)}flags=FS_modeStringToFlags(flags);if(flags&64){mode=mode&4095|32768}else{mode=0}var node;var isDirPath;if(typeof path=="object"){node=path}else{isDirPath=path.endsWith("/");var lookup=FS.lookupPath(path,{follow:!(flags&131072),noent_okay:true});node=lookup.node;path=lookup.path}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else if(isDirPath){throw new FS.ErrnoError(31)}else{node=FS.mknod(path,mode|511,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512&&!created){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node,path:FS.getPath(node),flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false});if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(created){FS.chmod(node,mode&511)}return stream},close(stream){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed(stream){return stream.fd===null},llseek(stream,offset,whence){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},mmap(stream,length,position,prot,flags){if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}if(!length){throw new FS.ErrnoError(28)}return stream.stream_ops.mmap(stream,length,position,prot,flags)},msync(stream,buffer,offset,length,mmapFlags){if(!stream.stream_ops.msync){return 0}return stream.stream_ops.msync(stream,buffer,offset,length,mmapFlags)},ioctl(stream,cmd,arg){if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(59)}return stream.stream_ops.ioctl(stream,cmd,arg)},readFile(path,opts={}){opts.flags=opts.flags||0;opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){abort(`Invalid encoding type "${opts.encoding}"`)}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"){buf=UTF8ArrayToString(buf)}FS.close(stream);return buf},writeFile(path,data,opts={}){opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);data=FS_fileDataToTypedArray(data);FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn);FS.close(stream)},cwd:()=>FS.currentPath,chdir(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories(){FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices(){FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length,llseek:()=>0});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var randomBuffer=new Uint8Array(1024),randomLeft=0;var randomByte=()=>{if(randomLeft===0){randomFill(randomBuffer);randomLeft=randomBuffer.byteLength}return randomBuffer[--randomLeft]};FS.createDevice("/dev","random",randomByte);FS.createDevice("/dev","urandom",randomByte);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories(){FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount(){var node=FS.createNode(proc_self,"fd",16895,73);node.stream_ops={llseek:MEMFS.stream_ops.llseek};node.node_ops={lookup(parent,name){var fd=+name;var stream=FS.getStreamChecked(fd);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path},id:fd+1};ret.parent=ret;return ret},readdir(){return Array.from(FS.streams.entries()).filter(([k,v])=>v).map(([k,v])=>k.toString())}};return node}},{},"/proc/self/fd")},createStandardStreams(input,output,error){if(input){FS.createDevice("/dev","stdin",input)}else{FS.symlink("/dev/tty","/dev/stdin")}if(output){FS.createDevice("/dev","stdout",null,output)}else{FS.symlink("/dev/tty","/dev/stdout")}if(error){FS.createDevice("/dev","stderr",null,error)}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},staticInit(){FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={MEMFS}},init(input,output,error){FS.initialized=true;input??=Module["stdin"];output??=Module["stdout"];error??=Module["stderr"];FS.createStandardStreams(input,output,error)},quit(){FS.initialized=false;for(var stream of FS.streams){if(stream){FS.close(stream)}}},findObject(path,dontResolveLastLink){var ret=FS.analyzePath(path,dontResolveLastLink);if(!ret.exists){return null}return ret.object},analyzePath(path,dontResolveLastLink){try{var lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});path=lookup.path}catch(e){}var ret={isRoot:false,exists:false,error:0,name:null,path:null,object:null,parentExists:false,parentPath:null,parentObject:null};try{var lookup=FS.lookupPath(path,{parent:true});ret.parentExists=true;ret.parentPath=lookup.path;ret.parentObject=lookup.node;ret.name=PATH.basename(path);lookup=FS.lookupPath(path,{follow:!dontResolveLastLink});ret.exists=true;ret.path=lookup.path;ret.object=lookup.node;ret.name=lookup.node.name;ret.isRoot=lookup.path==="/"}catch(e){ret.error=e.errno}return ret},createPath(parent,path,canRead,canWrite){parent=typeof parent=="string"?parent:FS.getPath(parent);var parts=path.split("/").reverse();while(parts.length){var part=parts.pop();if(!part)continue;var current=PATH.join2(parent,part);try{FS.mkdir(current)}catch(e){if(e.errno!=20)throw e}parent=current}return current},createFile(parent,name,properties,canRead,canWrite){var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS_getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile(parent,name,data,canRead,canWrite,canOwn){var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS_getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){data=FS_fileDataToTypedArray(data);FS.chmod(node,mode|146);var stream=FS.open(node,577);FS.write(stream,data,0,data.length,0,canOwn);FS.close(stream);FS.chmod(node,mode)}},createDevice(parent,name,input,output){var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS_getMode(!!input,!!output);FS.createDevice.major??=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open(stream){stream.seekable=false},close(stream){if(output?.buffer?.length){output(10)}},read(stream,buffer,offset,length,pos){var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=input()}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.atime=Date.now()}return bytesRead},write(stream,buffer,offset,length,pos){for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(29)}}if(length){stream.node.mtime=stream.node.ctime=Date.now()}return i}});return FS.mkdev(path,mode,dev)},forceLoadFile(obj){if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(globalThis.XMLHttpRequest){abort("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{try{obj.contents=readBinary(obj.url)}catch(e){throw new FS.ErrnoError(29)}}},createLazyFile(parent,name,url,canRead,canWrite){class LazyUint8Array{lengthKnown=false;chunks=[];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]}setDataGetter(getter){this.getter=getter}cacheLength(){var xhr=new XMLHttpRequest;xhr.open("HEAD",url,false);xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))abort("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)abort("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)abort("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))abort("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")abort("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true}get length(){if(!this.lengthKnown){this.cacheLength()}return this._length}get chunkSize(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}if(globalThis.XMLHttpRequest){if(!ENVIRONMENT_IS_WORKER)abort("Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc");var lazyArray=new LazyUint8Array;var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,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={};for(const[key,fn]of Object.entries(node.stream_ops)){stream_ops[key]=(...args)=>{FS.forceLoadFile(node);return fn(...args)}}function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i<size;i++){buffer[offset+i]=contents[position+i]}}else{for(var i=0;i<size;i++){buffer[offset+i]=contents.get(position+i)}}return size}stream_ops.read=(stream,buffer,offset,length,position)=>{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr,allocated:true}};node.stream_ops=stream_ops;return node}};var UTF8ToString=(ptr,maxBytesToRead,ignoreNul)=>ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead,ignoreNul):"";var SYSCALLS={calculateAt(dirfd,path,allowEmpty){if(PATH.isAbs(path)){return path}var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=SYSCALLS.getStreamFromFD(dirfd);dir=dirstream.path}if(path.length==0){if(!allowEmpty){throw new FS.ErrnoError(44)}return dir}return dir+"/"+path},writeStat(buf,stat){HEAPU32[buf>>2]=stat.dev;HEAPU32[buf+4>>2]=stat.mode;HEAPU32[buf+8>>2]=stat.nlink;HEAPU32[buf+12>>2]=stat.uid;HEAPU32[buf+16>>2]=stat.gid;HEAPU32[buf+20>>2]=stat.rdev;HEAP64[buf+24>>3]=BigInt(stat.size);HEAP32[buf+32>>2]=4096;HEAP32[buf+36>>2]=stat.blocks;var atime=stat.atime.getTime();var mtime=stat.mtime.getTime();var ctime=stat.ctime.getTime();HEAP64[buf+40>>3]=BigInt(Math.floor(atime/1e3));HEAPU32[buf+48>>2]=atime%1e3*1e3*1e3;HEAP64[buf+56>>3]=BigInt(Math.floor(mtime/1e3));HEAPU32[buf+64>>2]=mtime%1e3*1e3*1e3;HEAP64[buf+72>>3]=BigInt(Math.floor(ctime/1e3));HEAPU32[buf+80>>2]=ctime%1e3*1e3*1e3;HEAP64[buf+88>>3]=BigInt(stat.ino);return 0},writeStatFs(buf,stats){HEAPU32[buf+4>>2]=stats.bsize;HEAPU32[buf+60>>2]=stats.bsize;HEAP64[buf+8>>3]=BigInt(stats.blocks);HEAP64[buf+16>>3]=BigInt(stats.bfree);HEAP64[buf+24>>3]=BigInt(stats.bavail);HEAP64[buf+32>>3]=BigInt(stats.files);HEAP64[buf+40>>3]=BigInt(stats.ffree);HEAPU32[buf+48>>2]=stats.fsid;HEAPU32[buf+64>>2]=stats.flags;HEAPU32[buf+56>>2]=stats.namelen},doMsync(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},getStreamFromFD(fd){var stream=FS.getStreamChecked(fd);return stream},varargs:undefined,getStr(ptr){var ret=UTF8ToString(ptr);return ret}};function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=syscallGetVarargI();if(arg<0){return-28}while(FS.streams[arg]){arg++}var newStream;newStream=FS.dupStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=syscallGetVarargI();stream.flags|=arg;return 0}case 12:{var arg=syscallGetVarargP();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 13:case 14:return 0}return-28}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:{if(!stream.tty)return-59;return 0}case 21505:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcgets){var termios=stream.tty.ops.ioctl_tcgets(stream);var argp=syscallGetVarargP();HEAP32[argp>>2]=termios.c_iflag||0;HEAP32[argp+4>>2]=termios.c_oflag||0;HEAP32[argp+8>>2]=termios.c_cflag||0;HEAP32[argp+12>>2]=termios.c_lflag||0;for(var i=0;i<32;i++){HEAP8[argp+i+17]=termios.c_cc[i]||0}return 0}return 0}case 21510:case 21511:case 21512:{if(!stream.tty)return-59;return 0}case 21506:case 21507:case 21508:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcsets){var argp=syscallGetVarargP();var c_iflag=HEAP32[argp>>2];var c_oflag=HEAP32[argp+4>>2];var c_cflag=HEAP32[argp+8>>2];var c_lflag=HEAP32[argp+12>>2];var c_cc=[];for(var i=0;i<32;i++){c_cc.push(HEAP8[argp+i+17])}return stream.tty.ops.ioctl_tcsets(stream.tty,op,{c_iflag,c_oflag,c_cflag,c_lflag,c_cc})}return 0}case 21519:{if(!stream.tty)return-59;var argp=syscallGetVarargP();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21537:case 21531:{var argp=syscallGetVarargP();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tiocgwinsz){var winsize=stream.tty.ops.ioctl_tiocgwinsz(stream.tty);var argp=syscallGetVarargP();HEAP16[argp>>1]=winsize[0];HEAP16[argp+2>>1]=winsize[1]}return 0}case 21524:{if(!stream.tty)return-59;return 0}case 21515:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?syscallGetVarargI():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_stat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.writeStat(buf,FS.stat(path))}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var __abort_js=()=>abort("");var tupleRegistrations={};var runDestructors=destructors=>{while(destructors.length){var ptr=destructors.pop();var del=destructors.pop();del(ptr)}};function readPointer(pointer){return this.fromWireType(HEAPU32[pointer>>2])}var awaitingDependencies={};var registeredTypes={};var typeDependencies={};var InternalError=class InternalError extends Error{constructor(message){super(message);this.name="InternalError"}};var throwInternalError=message=>{throw new InternalError(message)};var whenDependentTypesAreResolved=(myTypes,dependentTypes,getTypeConverters)=>{myTypes.forEach(type=>typeDependencies[type]=dependentTypes);function onComplete(typeConverters){var myTypeConverters=getTypeConverters(typeConverters);if(myTypeConverters.length!==myTypes.length){throwInternalError("Mismatched type converter count")}for(var i=0;i<myTypes.length;++i){registerType(myTypes[i],myTypeConverters[i])}}var typeConverters=new Array(dependentTypes.length);var unregisteredTypes=[];var registered=0;for(let[i,dt]of dependentTypes.entries()){if(registeredTypes.hasOwnProperty(dt)){typeConverters[i]=registeredTypes[dt]}else{unregisteredTypes.push(dt);if(!awaitingDependencies.hasOwnProperty(dt)){awaitingDependencies[dt]=[]}awaitingDependencies[dt].push(()=>{typeConverters[i]=registeredTypes[dt];++registered;if(registered===unregisteredTypes.length){onComplete(typeConverters)}})}}if(0===unregisteredTypes.length){onComplete(typeConverters)}};var __embind_finalize_value_array=rawTupleType=>{var reg=tupleRegistrations[rawTupleType];delete tupleRegistrations[rawTupleType];var elements=reg.elements;var elementsLength=elements.length;var elementTypes=elements.map(elt=>elt.getterReturnType).concat(elements.map(elt=>elt.setterArgumentType));var rawConstructor=reg.rawConstructor;var rawDestructor=reg.rawDestructor;whenDependentTypesAreResolved([rawTupleType],elementTypes,elementTypes=>{for(const[i,elt]of elements.entries()){const getterReturnType=elementTypes[i];const getter=elt.getter;const getterContext=elt.getterContext;const setterArgumentType=elementTypes[i+elementsLength];const setter=elt.setter;const setterContext=elt.setterContext;elt.read=ptr=>getterReturnType.fromWireType(getter(getterContext,ptr));elt.write=(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType.toWireType(destructors,o));runDestructors(destructors)}}return[{name:reg.name,fromWireType:ptr=>{var rv=new Array(elementsLength);for(var i=0;i<elementsLength;++i){rv[i]=elements[i].read(ptr)}rawDestructor(ptr);return rv},toWireType:(destructors,o)=>{if(elementsLength!==o.length){throw new TypeError(`Incorrect number of tuple elements for ${reg.name}: expected=${elementsLength}, actual=${o.length}`)}var ptr=rawConstructor();for(var i=0;i<elementsLength;++i){elements[i].write(ptr,o[i])}if(destructors!==null){destructors.push(rawDestructor,ptr)}return ptr},readValueFromPointer:readPointer,destructorFunction:rawDestructor}]})};var structRegistrations={};var __embind_finalize_value_object=structType=>{var reg=structRegistrations[structType];delete structRegistrations[structType];var rawConstructor=reg.rawConstructor;var rawDestructor=reg.rawDestructor;var fieldRecords=reg.fields;var fieldTypes=fieldRecords.map(field=>field.getterReturnType).concat(fieldRecords.map(field=>field.setterArgumentType));whenDependentTypesAreResolved([structType],fieldTypes,fieldTypes=>{var fields={};for(var[i,field]of fieldRecords.entries()){const getterReturnType=fieldTypes[i];const getter=field.getter;const getterContext=field.getterContext;const setterArgumentType=fieldTypes[i+fieldRecords.length];const setter=field.setter;const setterContext=field.setterContext;fields[field.fieldName]={read:ptr=>getterReturnType.fromWireType(getter(getterContext,ptr)),write:(ptr,o)=>{var destructors=[];setter(setterContext,ptr,setterArgumentType.toWireType(destructors,o));runDestructors(destructors)},optional:getterReturnType.optional}}return[{name:reg.name,fromWireType:ptr=>{var rv={};for(var i in fields){rv[i]=fields[i].read(ptr)}rawDestructor(ptr);return rv},toWireType:(destructors,o)=>{for(var fieldName in fields){if(!(fieldName in o)&&!fields[fieldName].optional){throw new TypeError(`Missing field: "${fieldName}"`)}}var ptr=rawConstructor();for(fieldName in fields){fields[fieldName].write(ptr,o[fieldName])}if(destructors!==null){destructors.push(rawDestructor,ptr)}return ptr},readValueFromPointer:readPointer,destructorFunction:rawDestructor}]})};var AsciiToString=ptr=>{var str="";while(1){var ch=HEAPU8[ptr++];if(!ch)return str;str+=String.fromCharCode(ch)}};var BindingError=class BindingError extends Error{constructor(message){super(message);this.name="BindingError"}};var throwBindingError=message=>{throw new BindingError(message)};function sharedRegisterType(rawType,registeredInstance,options={}){var name=registeredInstance.name;if(!rawType){throwBindingError(`type "${name}" must have a positive integer typeid pointer`)}if(registeredTypes.hasOwnProperty(rawType)){if(options.ignoreDuplicateRegistrations){return}else{throwBindingError(`Cannot register type '${name}' twice`)}}registeredTypes[rawType]=registeredInstance;delete typeDependencies[rawType];if(awaitingDependencies.hasOwnProperty(rawType)){var callbacks=awaitingDependencies[rawType];delete awaitingDependencies[rawType];callbacks.forEach(cb=>cb())}}function registerType(rawType,registeredInstance,options={}){return sharedRegisterType(rawType,registeredInstance,options)}var integerReadValueFromPointer=(name,width,signed)=>{switch(width){case 1:return signed?pointer=>HEAP8[pointer]:pointer=>HEAPU8[pointer];case 2:return signed?pointer=>HEAP16[pointer>>1]:pointer=>HEAPU16[pointer>>1];case 4:return signed?pointer=>HEAP32[pointer>>2]:pointer=>HEAPU32[pointer>>2];case 8:return signed?pointer=>HEAP64[pointer>>3]:pointer=>HEAPU64[pointer>>3];default:throw new TypeError(`invalid integer width (${width}): ${name}`)}};var __embind_register_bigint=(primitiveType,name,size,minRange,maxRange)=>{name=AsciiToString(name);const isUnsignedType=minRange===0n;let fromWireType=value=>value;if(isUnsignedType){const bitSize=size*8;fromWireType=value=>BigInt.asUintN(bitSize,value);maxRange=fromWireType(maxRange)}registerType(primitiveType,{name,fromWireType,toWireType:(destructors,value)=>{if(typeof value=="number"){value=BigInt(value)}return value},readValueFromPointer:integerReadValueFromPointer(name,size,!isUnsignedType),destructorFunction:null})};var __embind_register_bool=(rawType,name,trueValue,falseValue)=>{name=AsciiToString(name);registerType(rawType,{name,fromWireType:function(wt){return!!wt},toWireType:function(destructors,o){return o?trueValue:falseValue},readValueFromPointer:function(pointer){return this.fromWireType(HEAPU8[pointer])},destructorFunction:null})};var shallowCopyInternalPointer=o=>({count:o.count,deleteScheduled:o.deleteScheduled,preservePointerOnDelete:o.preservePointerOnDelete,ptr:o.ptr,ptrType:o.ptrType,smartPtr:o.smartPtr,smartPtrType:o.smartPtrType});var throwInstanceAlreadyDeleted=obj=>{function getInstanceTypeName(handle){return handle.$$.ptrType.registeredClass.name}throwBindingError(getInstanceTypeName(obj)+" instance already deleted")};var finalizationRegistry=false;var detachFinalizer=handle=>{};var runDestructor=$$=>{if($$.smartPtr){$$.smartPtrType.rawDestructor($$.smartPtr)}else{$$.ptrType.registeredClass.rawDestructor($$.ptr)}};var releaseClassHandle=$$=>{$$.count.value-=1;var toDelete=0===$$.count.value;if(toDelete){runDestructor($$)}};var attachFinalizer=handle=>{if(!globalThis.FinalizationRegistry){attachFinalizer=handle=>handle;return handle}finalizationRegistry=new FinalizationRegistry(info=>{releaseClassHandle(info.$$)});attachFinalizer=handle=>{var $$=handle.$$;var hasSmartPtr=!!$$.smartPtr;if(hasSmartPtr){var info={$$};finalizationRegistry.register(handle,info,handle)}return handle};detachFinalizer=handle=>finalizationRegistry.unregister(handle);return attachFinalizer(handle)};var deletionQueue=[];var flushPendingDeletes=()=>{while(deletionQueue.length){var obj=deletionQueue.pop();obj.$$.deleteScheduled=false;obj["delete"]()}};var delayFunction;var init_ClassHandle=()=>{let proto=ClassHandle.prototype;Object.assign(proto,{isAliasOf(other){if(!(this instanceof ClassHandle)){return false}if(!(other instanceof ClassHandle)){return false}var leftClass=this.$$.ptrType.registeredClass;var left=this.$$.ptr;other.$$=other.$$;var rightClass=other.$$.ptrType.registeredClass;var right=other.$$.ptr;while(leftClass.baseClass){left=leftClass.upcast(left);leftClass=leftClass.baseClass}while(rightClass.baseClass){right=rightClass.upcast(right);rightClass=rightClass.baseClass}return leftClass===rightClass&&left===right},clone(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.preservePointerOnDelete){this.$$.count.value+=1;return this}else{var clone=attachFinalizer(Object.create(Object.getPrototypeOf(this),{$$:{value:shallowCopyInternalPointer(this.$$)}}));clone.$$.count.value+=1;clone.$$.deleteScheduled=false;return clone}},delete(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}detachFinalizer(this);releaseClassHandle(this.$$);if(!this.$$.preservePointerOnDelete){this.$$.smartPtr=undefined;this.$$.ptr=undefined}},isDeleted(){return!this.$$.ptr},deleteLater(){if(!this.$$.ptr){throwInstanceAlreadyDeleted(this)}if(this.$$.deleteScheduled&&!this.$$.preservePointerOnDelete){throwBindingError("Object already scheduled for deletion")}deletionQueue.push(this);if(deletionQueue.length===1&&delayFunction){delayFunction(flushPendingDeletes)}this.$$.deleteScheduled=true;return this}});const symbolDispose=Symbol.dispose;if(symbolDispose){proto[symbolDispose]=proto["delete"]}};function ClassHandle(){}var createNamedFunction=(name,func)=>Object.defineProperty(func,"name",{value:name});var registeredPointers={};var ensureOverloadTable=(proto,methodName,humanName)=>{if(undefined===proto[methodName].overloadTable){var prevFunc=proto[methodName];proto[methodName]=function(...args){if(!proto[methodName].overloadTable.hasOwnProperty(args.length)){throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${args.length}) - expects one of (${proto[methodName].overloadTable})!`)}return proto[methodName].overloadTable[args.length].apply(this,args)};proto[methodName].overloadTable=[];proto[methodName].overloadTable[prevFunc.argCount]=prevFunc}};var exposePublicSymbol=(name,value,numArguments)=>{if(Module.hasOwnProperty(name)){if(undefined===numArguments||undefined!==Module[name].overloadTable&&undefined!==Module[name].overloadTable[numArguments]){throwBindingError(`Cannot register public name '${name}' twice`)}ensureOverloadTable(Module,name,name);if(Module[name].overloadTable.hasOwnProperty(numArguments)){throwBindingError(`Cannot register multiple overloads of a function with the same number of arguments (${numArguments})!`)}Module[name].overloadTable[numArguments]=value}else{Module[name]=value;Module[name].argCount=numArguments}};var char_0=48;var char_9=57;var makeLegalFunctionName=name=>{name=name.replace(/[^a-zA-Z0-9_]/g,"$");var f=name.charCodeAt(0);if(f>=char_0&&f<=char_9){return`_${name}`}return name};function RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast){this.name=name;this.constructor=constructor;this.instancePrototype=instancePrototype;this.rawDestructor=rawDestructor;this.baseClass=baseClass;this.getActualType=getActualType;this.upcast=upcast;this.downcast=downcast;this.pureVirtualFunctions=[]}var upcastPointer=(ptr,ptrClass,desiredClass)=>{while(ptrClass!==desiredClass){if(!ptrClass.upcast){throwBindingError(`Expected null or instance of ${desiredClass.name}, got an instance of ${ptrClass.name}`)}ptr=ptrClass.upcast(ptr);ptrClass=ptrClass.baseClass}return ptr};var embindRepr=v=>{if(v===null){return"null"}var t=typeof v;if(t==="object"||t==="array"||t==="function"){return v.toString()}else{return""+v}};function constNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError(`null is not a valid ${this.name}`)}return 0}if(!handle.$$){throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`)}if(!handle.$$.ptr){throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}function genericPointerToWireType(destructors,handle){var ptr;if(handle===null){if(this.isReference){throwBindingError(`null is not a valid ${this.name}`)}if(this.isSmartPointer){ptr=this.rawConstructor();if(destructors!==null){destructors.push(this.rawDestructor,ptr)}return ptr}else{return 0}}if(!handle||!handle.$$){throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`)}if(!handle.$$.ptr){throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`)}if(!this.isConst&&handle.$$.ptrType.isConst){throwBindingError(`Cannot convert argument of type ${handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name} to parameter type ${this.name}`)}var handleClass=handle.$$.ptrType.registeredClass;ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);if(this.isSmartPointer){if(undefined===handle.$$.smartPtr){throwBindingError("Passing raw pointer to smart pointer is illegal")}switch(this.sharingPolicy){case 0:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{throwBindingError(`Cannot convert argument of type ${handle.$$.smartPtrType?handle.$$.smartPtrType.name:handle.$$.ptrType.name} to parameter type ${this.name}`)}break;case 1:ptr=handle.$$.smartPtr;break;case 2:if(handle.$$.smartPtrType===this){ptr=handle.$$.smartPtr}else{var clonedHandle=handle["clone"]();ptr=this.rawShare(ptr,Emval.toHandle(()=>clonedHandle["delete"]()));if(destructors!==null){destructors.push(this.rawDestructor,ptr)}}break;default:throwBindingError("Unsupported sharing policy")}}return ptr}function nonConstNoSmartPtrRawPointerToWireType(destructors,handle){if(handle===null){if(this.isReference){throwBindingError(`null is not a valid ${this.name}`)}return 0}if(!handle.$$){throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`)}if(!handle.$$.ptr){throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`)}if(handle.$$.ptrType.isConst){throwBindingError(`Cannot convert argument of type ${handle.$$.ptrType.name} to parameter type ${this.name}`)}var handleClass=handle.$$.ptrType.registeredClass;var ptr=upcastPointer(handle.$$.ptr,handleClass,this.registeredClass);return ptr}var downcastPointer=(ptr,ptrClass,desiredClass)=>{if(ptrClass===desiredClass){return ptr}if(undefined===desiredClass.baseClass){return null}var rv=downcastPointer(ptr,ptrClass,desiredClass.baseClass);if(rv===null){return null}return desiredClass.downcast(rv)};var registeredInstances={};var getBasestPointer=(class_,ptr)=>{if(ptr===undefined){throwBindingError("ptr should not be undefined")}while(class_.baseClass){ptr=class_.upcast(ptr);class_=class_.baseClass}return ptr};var getInheritedInstance=(class_,ptr)=>{ptr=getBasestPointer(class_,ptr);return registeredInstances[ptr]};var makeClassHandle=(prototype,record)=>{if(!record.ptrType||!record.ptr){throwInternalError("makeClassHandle requires ptr and ptrType")}var hasSmartPtrType=!!record.smartPtrType;var hasSmartPtr=!!record.smartPtr;if(hasSmartPtrType!==hasSmartPtr){throwInternalError("Both smartPtrType and smartPtr must be specified")}record.count={value:1};return attachFinalizer(Object.create(prototype,{$$:{value:record,writable:true}}))};function RegisteredPointer_fromWireType(ptr){var rawPointer=this.getPointee(ptr);if(!rawPointer){this.destructor(ptr);return null}var registeredInstance=getInheritedInstance(this.registeredClass,rawPointer);if(undefined!==registeredInstance){if(0===registeredInstance.$$.count.value){registeredInstance.$$.ptr=rawPointer;registeredInstance.$$.smartPtr=ptr;return registeredInstance["clone"]()}else{var rv=registeredInstance["clone"]();this.destructor(ptr);return rv}}function makeDefaultHandle(){if(this.isSmartPointer){return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this.pointeeType,ptr:rawPointer,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(this.registeredClass.instancePrototype,{ptrType:this,ptr})}}var actualType=this.registeredClass.getActualType(rawPointer);var registeredPointerRecord=registeredPointers[actualType];if(!registeredPointerRecord){return makeDefaultHandle.call(this)}var toType;if(this.isConst){toType=registeredPointerRecord.constPointerType}else{toType=registeredPointerRecord.pointerType}var dp=downcastPointer(rawPointer,this.registeredClass,toType.registeredClass);if(dp===null){return makeDefaultHandle.call(this)}if(this.isSmartPointer){return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp,smartPtrType:this,smartPtr:ptr})}else{return makeClassHandle(toType.registeredClass.instancePrototype,{ptrType:toType,ptr:dp})}}var init_RegisteredPointer=()=>{Object.assign(RegisteredPointer.prototype,{getPointee(ptr){if(this.rawGetPointee){ptr=this.rawGetPointee(ptr)}return ptr},destructor(ptr){this.rawDestructor?.(ptr)},readValueFromPointer:readPointer,fromWireType:RegisteredPointer_fromWireType})};function RegisteredPointer(name,registeredClass,isReference,isConst,isSmartPointer,pointeeType,sharingPolicy,rawGetPointee,rawConstructor,rawShare,rawDestructor){this.name=name;this.registeredClass=registeredClass;this.isReference=isReference;this.isConst=isConst;this.isSmartPointer=isSmartPointer;this.pointeeType=pointeeType;this.sharingPolicy=sharingPolicy;this.rawGetPointee=rawGetPointee;this.rawConstructor=rawConstructor;this.rawShare=rawShare;this.rawDestructor=rawDestructor;if(!isSmartPointer&&registeredClass.baseClass===undefined){if(isConst){this.toWireType=constNoSmartPtrRawPointerToWireType;this.destructorFunction=null}else{this.toWireType=nonConstNoSmartPtrRawPointerToWireType;this.destructorFunction=null}}else{this.toWireType=genericPointerToWireType}}var replacePublicSymbol=(name,value,numArguments)=>{if(!Module.hasOwnProperty(name)){throwInternalError("Replacing nonexistent public symbol")}if(undefined!==Module[name].overloadTable&&undefined!==numArguments){Module[name].overloadTable[numArguments]=value}else{Module[name]=value;Module[name].argCount=numArguments}};var wasmTableMirror=[];var getWasmTableEntry=funcPtr=>{var func=wasmTableMirror[funcPtr];if(!func){wasmTableMirror[funcPtr]=func=wasmTable.get(funcPtr)}return func};var embind__requireFunction=(signature,rawFunction,isAsync=false)=>{signature=AsciiToString(signature);function makeDynCaller(){var rtn=getWasmTableEntry(rawFunction);return rtn}var fp=makeDynCaller();if(typeof fp!="function"){throwBindingError(`unknown function pointer with signature ${signature}: ${rawFunction}`)}return fp};class UnboundTypeError extends Error{}var getTypeName=type=>{var ptr=___getTypeName(type);var rv=AsciiToString(ptr);_free(ptr);return rv};var throwUnboundTypeError=(message,types)=>{var unboundTypes=[];var seen={};function visit(type){if(seen[type]){return}if(registeredTypes[type]){return}if(typeDependencies[type]){typeDependencies[type].forEach(visit);return}unboundTypes.push(type);seen[type]=true}types.forEach(visit);throw new UnboundTypeError(`${message}: `+unboundTypes.map(getTypeName).join([", "]))};var __embind_register_class=(rawType,rawPointerType,rawConstPointerType,baseClassRawType,getActualTypeSignature,getActualType,upcastSignature,upcast,downcastSignature,downcast,name,destructorSignature,rawDestructor)=>{name=AsciiToString(name);getActualType=embind__requireFunction(getActualTypeSignature,getActualType);upcast&&=embind__requireFunction(upcastSignature,upcast);downcast&&=embind__requireFunction(downcastSignature,downcast);rawDestructor=embind__requireFunction(destructorSignature,rawDestructor);var legalFunctionName=makeLegalFunctionName(name);exposePublicSymbol(legalFunctionName,function(){throwUnboundTypeError(`Cannot construct ${name} due to unbound types`,[baseClassRawType])});whenDependentTypesAreResolved([rawType,rawPointerType,rawConstPointerType],baseClassRawType?[baseClassRawType]:[],base=>{base=base[0];var baseClass;var basePrototype;if(baseClassRawType){baseClass=base.registeredClass;basePrototype=baseClass.instancePrototype}else{basePrototype=ClassHandle.prototype}var constructor=createNamedFunction(name,function(...args){if(Object.getPrototypeOf(this)!==instancePrototype){throw new BindingError(`Use 'new' to construct ${name}`)}if(undefined===registeredClass.constructor_body){throw new BindingError(`${name} has no accessible constructor`)}var body=registeredClass.constructor_body[args.length];if(undefined===body){throw new BindingError(`Tried to invoke ctor of ${name} with invalid number of parameters (${args.length}) - expected (${Object.keys(registeredClass.constructor_body).toString()}) parameters instead!`)}return body.apply(this,args)});var instancePrototype=Object.create(basePrototype,{constructor:{value:constructor}});constructor.prototype=instancePrototype;var registeredClass=new RegisteredClass(name,constructor,instancePrototype,rawDestructor,baseClass,getActualType,upcast,downcast);if(registeredClass.baseClass){registeredClass.baseClass.__derivedClasses??=[];registeredClass.baseClass.__derivedClasses.push(registeredClass)}var referenceConverter=new RegisteredPointer(name,registeredClass,true,false,false);var pointerConverter=new RegisteredPointer(name+"*",registeredClass,false,false,false);var constPointerConverter=new RegisteredPointer(name+" const*",registeredClass,false,true,false);registeredPointers[rawType]={pointerType:pointerConverter,constPointerType:constPointerConverter};replacePublicSymbol(legalFunctionName,constructor);return[referenceConverter,pointerConverter,constPointerConverter]})};function usesDestructorStack(argTypes){for(var i=1;i<argTypes.length;++i){if(argTypes[i]!==null&&argTypes[i].destructorFunction===undefined){return true}}return false}function createJsInvoker(argTypes,isClassMethodFunc,returns,isAsync){var needsDestructorStack=usesDestructorStack(argTypes);var argCount=argTypes.length-2;var argsList=[];var argsListWired=["fn"];if(isClassMethodFunc){argsListWired.push("thisWired")}for(var i=0;i<argCount;++i){argsList.push(`arg${i}`);argsListWired.push(`arg${i}Wired`)}argsList=argsList.join(",");argsListWired=argsListWired.join(",");var invokerFnBody=`return function (${argsList}) {\n`;if(needsDestructorStack){invokerFnBody+="var destructors = [];\n"}var dtorStack=needsDestructorStack?"destructors":"null";var args1=["humanName","throwBindingError","invoker","fn","runDestructors","fromRetWire","toClassParamWire"];if(isClassMethodFunc){invokerFnBody+=`var thisWired = toClassParamWire(${dtorStack}, this);\n`}for(var i=0;i<argCount;++i){var argName=`toArg${i}Wire`;invokerFnBody+=`var arg${i}Wired = ${argName}(${dtorStack}, arg${i});\n`;args1.push(argName)}invokerFnBody+=(returns||isAsync?"var rv = ":"")+`invoker(${argsListWired});\n`;if(needsDestructorStack){invokerFnBody+="runDestructors(destructors);\n"}else{for(var i=isClassMethodFunc?1:2;i<argTypes.length;++i){var paramName=i===1?"thisWired":"arg"+(i-2)+"Wired";if(argTypes[i].destructorFunction!==null){invokerFnBody+=`${paramName}_dtor(${paramName});\n`;args1.push(`${paramName}_dtor`)}}}if(returns){invokerFnBody+="var ret = fromRetWire(rv);\n"+"return ret;\n"}else{}invokerFnBody+="}\n";return new Function(args1,invokerFnBody)}function craftInvokerFunction(humanName,argTypes,classType,cppInvokerFunc,cppTargetFunc,isAsync){var argCount=argTypes.length;if(argCount<2){throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!")}var isClassMethodFunc=argTypes[1]!==null&&classType!==null;var needsDestructorStack=usesDestructorStack(argTypes);var returns=!argTypes[0].isVoid;var retType=argTypes[0];var instType=argTypes[1];var closureArgs=[humanName,throwBindingError,cppInvokerFunc,cppTargetFunc,runDestructors,retType.fromWireType.bind(retType),instType?.toWireType.bind(instType)];for(var i=2;i<argCount;++i){var argType=argTypes[i];closureArgs.push(argType.toWireType.bind(argType))}if(!needsDestructorStack){for(var i=isClassMethodFunc?1:2;i<argTypes.length;++i){if(argTypes[i].destructorFunction!==null){closureArgs.push(argTypes[i].destructorFunction)}}}let invokerFactory=createJsInvoker(argTypes,isClassMethodFunc,returns,isAsync);var invokerFn=invokerFactory(...closureArgs);return createNamedFunction(humanName,invokerFn)}var heap32VectorToArray=(count,firstElement)=>{var array=[];for(var i=0;i<count;i++){array.push(HEAPU32[firstElement+i*4>>2])}return array};var getFunctionName=signature=>{signature=signature.trim();const argsIndex=signature.indexOf("(");if(argsIndex===-1)return signature;return signature.slice(0,argsIndex)};var __embind_register_class_class_function=(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,fn,isAsync,isNonnullReturn)=>{var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=AsciiToString(methodName);methodName=getFunctionName(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker,isAsync);whenDependentTypesAreResolved([],[rawClassType],classType=>{classType=classType[0];var humanName=`${classType.name}.${methodName}`;function unboundTypesHandler(){throwUnboundTypeError(`Cannot call ${humanName} due to unbound types`,rawArgTypes)}if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}var proto=classType.registeredClass.constructor;if(undefined===proto[methodName]){unboundTypesHandler.argCount=argCount-1;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-1]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,argTypes=>{var invokerArgsArray=[argTypes[0],null].concat(argTypes.slice(1));var func=craftInvokerFunction(humanName,invokerArgsArray,null,rawInvoker,fn,isAsync);if(undefined===proto[methodName].overloadTable){func.argCount=argCount-1;proto[methodName]=func}else{proto[methodName].overloadTable[argCount-1]=func}if(classType.registeredClass.__derivedClasses){for(const derivedClass of classType.registeredClass.__derivedClasses){if(!derivedClass.constructor.hasOwnProperty(methodName)){derivedClass.constructor[methodName]=func}}}return[]});return[]})};var __embind_register_class_constructor=(rawClassType,argCount,rawArgTypesAddr,invokerSignature,invoker,rawConstructor)=>{var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);invoker=embind__requireFunction(invokerSignature,invoker);whenDependentTypesAreResolved([],[rawClassType],classType=>{classType=classType[0];var humanName=`constructor ${classType.name}`;if(undefined===classType.registeredClass.constructor_body){classType.registeredClass.constructor_body=[]}if(undefined!==classType.registeredClass.constructor_body[argCount-1]){throw new BindingError(`Cannot register multiple constructors with identical number of parameters (${argCount-1}) for class '${classType.name}'! Overload resolution is currently only performed using the parameter count, not actual type info!`)}classType.registeredClass.constructor_body[argCount-1]=()=>{throwUnboundTypeError(`Cannot construct ${classType.name} due to unbound types`,rawArgTypes)};whenDependentTypesAreResolved([],rawArgTypes,argTypes=>{argTypes.splice(1,0,null);classType.registeredClass.constructor_body[argCount-1]=craftInvokerFunction(humanName,argTypes,null,invoker,rawConstructor);return[]});return[]})};var __embind_register_class_function=(rawClassType,methodName,argCount,rawArgTypesAddr,invokerSignature,rawInvoker,context,isPureVirtual,isAsync,isNonnullReturn)=>{var rawArgTypes=heap32VectorToArray(argCount,rawArgTypesAddr);methodName=AsciiToString(methodName);methodName=getFunctionName(methodName);rawInvoker=embind__requireFunction(invokerSignature,rawInvoker,isAsync);whenDependentTypesAreResolved([],[rawClassType],classType=>{classType=classType[0];var humanName=`${classType.name}.${methodName}`;if(methodName.startsWith("@@")){methodName=Symbol[methodName.substring(2)]}if(isPureVirtual){classType.registeredClass.pureVirtualFunctions.push(methodName)}function unboundTypesHandler(){throwUnboundTypeError(`Cannot call ${humanName} due to unbound types`,rawArgTypes)}var proto=classType.registeredClass.instancePrototype;var method=proto[methodName];if(undefined===method||undefined===method.overloadTable&&method.className!==classType.name&&method.argCount===argCount-2){unboundTypesHandler.argCount=argCount-2;unboundTypesHandler.className=classType.name;proto[methodName]=unboundTypesHandler}else{ensureOverloadTable(proto,methodName,humanName);proto[methodName].overloadTable[argCount-2]=unboundTypesHandler}whenDependentTypesAreResolved([],rawArgTypes,argTypes=>{var memberFunction=craftInvokerFunction(humanName,argTypes,classType,rawInvoker,context,isAsync);if(undefined===proto[methodName].overloadTable){memberFunction.argCount=argCount-2;proto[methodName]=memberFunction}else{proto[methodName].overloadTable[argCount-2]=memberFunction}return[]});return[]})};var validateThis=(this_,classType,humanName)=>{if(!(this_ instanceof Object)){throwBindingError(`${humanName} with invalid "this": ${this_}`)}if(!(this_ instanceof classType.registeredClass.constructor)){throwBindingError(`${humanName} incompatible with "this" of type ${this_.constructor.name}`)}if(!this_.$$.ptr){throwBindingError(`cannot call emscripten binding method ${humanName} on deleted object`)}return upcastPointer(this_.$$.ptr,this_.$$.ptrType.registeredClass,classType.registeredClass)};var __embind_register_class_property=(classType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext)=>{fieldName=AsciiToString(fieldName);getter=embind__requireFunction(getterSignature,getter);whenDependentTypesAreResolved([],[classType],classType=>{classType=classType[0];var humanName=`${classType.name}.${fieldName}`;var desc={get(){throwUnboundTypeError(`Cannot access ${humanName} due to unbound types`,[getterReturnType,setterArgumentType])},enumerable:true,configurable:true};if(setter){desc.set=()=>throwUnboundTypeError(`Cannot access ${humanName} due to unbound types`,[getterReturnType,setterArgumentType])}else{desc.set=v=>throwBindingError(humanName+" is a read-only property")}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);whenDependentTypesAreResolved([],setter?[getterReturnType,setterArgumentType]:[getterReturnType],types=>{var getterReturnType=types[0];var desc={get(){var ptr=validateThis(this,classType,humanName+" getter");return getterReturnType.fromWireType(getter(getterContext,ptr))},enumerable:true};if(setter){setter=embind__requireFunction(setterSignature,setter);var setterArgumentType=types[1];desc.set=function(v){var ptr=validateThis(this,classType,humanName+" setter");var destructors=[];setter(setterContext,ptr,setterArgumentType.toWireType(destructors,v));runDestructors(destructors)}}Object.defineProperty(classType.registeredClass.instancePrototype,fieldName,desc);return[]});return[]})};var emval_freelist=[];var emval_handles=[0,1,,1,null,1,true,1,false,1];var __emval_decref=handle=>{if(handle>9&&0===--emval_handles[handle+1]){emval_handles[handle]=undefined;emval_freelist.push(handle)}};var Emval={toValue:handle=>{if(!handle){throwBindingError(`Cannot use deleted val. handle = ${handle}`)}return emval_handles[handle]},toHandle:value=>{switch(value){case undefined:return 2;case null:return 4;case true:return 6;case false:return 8;default:{const handle=emval_freelist.pop()||emval_handles.length;emval_handles[handle]=value;emval_handles[handle+1]=1;return handle}}}};var EmValType={name:"emscripten::val",fromWireType:handle=>{var rv=Emval.toValue(handle);__emval_decref(handle);return rv},toWireType:(destructors,value)=>Emval.toHandle(value),readValueFromPointer:readPointer,destructorFunction:null};var __embind_register_emval=rawType=>registerType(rawType,EmValType);var enumReadValueFromPointer=(name,width,signed)=>{switch(width){case 1:return signed?function(pointer){return this.fromWireType(HEAP8[pointer])}:function(pointer){return this.fromWireType(HEAPU8[pointer])};case 2:return signed?function(pointer){return this.fromWireType(HEAP16[pointer>>1])}:function(pointer){return this.fromWireType(HEAPU16[pointer>>1])};case 4:return signed?function(pointer){return this.fromWireType(HEAP32[pointer>>2])}:function(pointer){return this.fromWireType(HEAPU32[pointer>>2])};default:throw new TypeError(`invalid integer width (${width}): ${name}`)}};function getEnumValueType(rawValueType){return rawValueType===0?"object":rawValueType===1?"number":"string"}var __embind_register_enum=(rawType,name,size,isSigned,rawValueType)=>{name=AsciiToString(name);const valueType=getEnumValueType(rawValueType);switch(valueType){case"object":{function ctor(){}ctor.values={};registerType(rawType,{name,constructor:ctor,valueType,fromWireType:function(c){return this.constructor.values[c]},toWireType:(destructors,c)=>c.value,readValueFromPointer:enumReadValueFromPointer(name,size,isSigned),destructorFunction:null});exposePublicSymbol(name,ctor);break}case"number":{var keysMap={};registerType(rawType,{name,keysMap,valueType,fromWireType:c=>c,toWireType:(destructors,c)=>c,readValueFromPointer:enumReadValueFromPointer(name,size,isSigned),destructorFunction:null});exposePublicSymbol(name,keysMap);delete Module[name].argCount;break}case"string":{var valuesMap={};var reverseMap={};var keysMap={};registerType(rawType,{name,valuesMap,reverseMap,keysMap,valueType,fromWireType:function(c){return this.reverseMap[c]},toWireType:function(destructors,c){return this.valuesMap[c]},readValueFromPointer:enumReadValueFromPointer(name,size,isSigned),destructorFunction:null});exposePublicSymbol(name,keysMap);delete Module[name].argCount;break}}};var requireRegisteredType=(rawType,humanName)=>{var impl=registeredTypes[rawType];if(undefined===impl){throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`)}return impl};var __embind_register_enum_value=(rawEnumType,name,enumValue)=>{var enumType=requireRegisteredType(rawEnumType,"enum");name=AsciiToString(name);switch(enumType.valueType){case"object":{var Enum=enumType.constructor;var Value=Object.create(enumType.constructor.prototype,{value:{value:enumValue},constructor:{value:createNamedFunction(`${enumType.name}_${name}`,function(){})}});Enum.values[enumValue]=Value;Enum[name]=Value;break}case"number":{enumType.keysMap[name]=enumValue;break}case"string":{enumType.valuesMap[name]=enumValue;enumType.reverseMap[enumValue]=name;enumType.keysMap[name]=name;break}}};var floatReadValueFromPointer=(name,width)=>{switch(width){case 4:return function(pointer){return this.fromWireType(HEAPF32[pointer>>2])};case 8:return function(pointer){return this.fromWireType(HEAPF64[pointer>>3])};default:throw new TypeError(`invalid float width (${width}): ${name}`)}};var __embind_register_float=(rawType,name,size)=>{name=AsciiToString(name);registerType(rawType,{name,fromWireType:value=>value,toWireType:(destructors,value)=>value,readValueFromPointer:floatReadValueFromPointer(name,size),destructorFunction:null})};var __embind_register_function=(name,argCount,rawArgTypesAddr,signature,rawInvoker,fn,isAsync,isNonnullReturn)=>{var argTypes=heap32VectorToArray(argCount,rawArgTypesAddr);name=AsciiToString(name);name=getFunctionName(name);rawInvoker=embind__requireFunction(signature,rawInvoker,isAsync);exposePublicSymbol(name,function(){throwUnboundTypeError(`Cannot call ${name} due to unbound types`,argTypes)},argCount-1);whenDependentTypesAreResolved([],argTypes,argTypes=>{var invokerArgsArray=[argTypes[0],null].concat(argTypes.slice(1));replacePublicSymbol(name,craftInvokerFunction(name,invokerArgsArray,null,rawInvoker,fn,isAsync),argCount-1);return[]})};var __embind_register_integer=(primitiveType,name,size,minRange,maxRange)=>{name=AsciiToString(name);const isUnsignedType=minRange===0;let fromWireType=value=>value;if(isUnsignedType){var bitshift=32-8*size;fromWireType=value=>value<<bitshift>>>bitshift;maxRange=fromWireType(maxRange)}registerType(primitiveType,{name,fromWireType,toWireType:(destructors,value)=>value,readValueFromPointer:integerReadValueFromPointer(name,size,minRange!==0),destructorFunction:null})};var installIndexedIterator=(proto,sizeMethodName,getMethodName)=>{const makeIterator=(size,getValue)=>{let index=0;return{next(){if(index>=size){return{done:true}}const current=index;index++;const value=getValue(current);return{value,done:false}},[Symbol.iterator](){return this}}};if(!proto[Symbol.iterator]){proto[Symbol.iterator]=function(){const size=this[sizeMethodName]();return makeIterator(size,i=>this[getMethodName](i))}}};var __embind_register_iterable=(rawClassType,rawElementType,sizeMethodName,getMethodName)=>{sizeMethodName=AsciiToString(sizeMethodName);getMethodName=AsciiToString(getMethodName);whenDependentTypesAreResolved([],[rawClassType,rawElementType],types=>{const classType=types[0];installIndexedIterator(classType.registeredClass.instancePrototype,sizeMethodName,getMethodName);return[]})};var __embind_register_memory_view=(rawType,dataTypeIndex,name)=>{var typeMapping=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array,BigInt64Array,BigUint64Array];var TA=typeMapping[dataTypeIndex];function decodeMemoryView(handle){var size=HEAPU32[handle>>2];var data=HEAPU32[handle+4>>2];return new TA(HEAP8.buffer,data,size)}name=AsciiToString(name);registerType(rawType,{name,fromWireType:decodeMemoryView,readValueFromPointer:decodeMemoryView},{ignoreDuplicateRegistrations:true})};var EmValOptionalType=Object.assign({optional:true},EmValType);var __embind_register_optional=(rawOptionalType,rawType)=>{registerType(rawOptionalType,EmValOptionalType)};var stringToUTF8=(str,outPtr,maxBytesToWrite)=>stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite);var __embind_register_std_string=(rawType,name)=>{name=AsciiToString(name);var stdStringIsUTF8=true;registerType(rawType,{name,fromWireType(value){var length=HEAPU32[value>>2];var payload=value+4;var str;if(stdStringIsUTF8){str=UTF8ToString(payload,length,true)}else{str="";for(var i=0;i<length;++i){str+=String.fromCharCode(HEAPU8[payload+i])}}_free(value);return str},toWireType(destructors,value){if(value instanceof ArrayBuffer){value=new Uint8Array(value)}var length;var valueIsOfTypeString=typeof value=="string";if(!(valueIsOfTypeString||ArrayBuffer.isView(value)&&value.BYTES_PER_ELEMENT==1)){throwBindingError("Cannot pass non-string to std::string")}if(stdStringIsUTF8&&valueIsOfTypeString){length=lengthBytesUTF8(value)}else{length=value.length}var base=_malloc(4+length+1);var ptr=base+4;HEAPU32[base>>2]=length;if(valueIsOfTypeString){if(stdStringIsUTF8){stringToUTF8(value,ptr,length+1)}else{for(var i=0;i<length;++i){var charCode=value.charCodeAt(i);if(charCode>255){_free(base);throwBindingError("String has UTF-16 code units that do not fit in 8 bits")}HEAPU8[ptr+i]=charCode}}}else{HEAPU8.set(value,ptr)}if(destructors!==null){destructors.push(_free,base)}return base},readValueFromPointer:readPointer,destructorFunction(ptr){_free(ptr)}})};var UTF16Decoder=globalThis.TextDecoder?new TextDecoder("utf-16le"):undefined;var UTF16ToString=(ptr,maxBytesToRead,ignoreNul)=>{var idx=ptr>>1;var endIdx=findStringEnd(HEAPU16,idx,maxBytesToRead/2,ignoreNul);if(endIdx-idx>16&&UTF16Decoder)return UTF16Decoder.decode(HEAPU16.subarray(idx,endIdx));var str="";for(var i=idx;i<endIdx;++i){var codeUnit=HEAPU16[i];str+=String.fromCharCode(codeUnit)}return str};var stringToUTF16=(str,outPtr,maxBytesToWrite)=>{maxBytesToWrite??=2147483647;if(maxBytesToWrite<2)return 0;maxBytesToWrite-=2;var startPtr=outPtr;var numCharsToWrite=maxBytesToWrite<str.length*2?maxBytesToWrite/2:str.length;for(var i=0;i<numCharsToWrite;++i){var codeUnit=str.charCodeAt(i);HEAP16[outPtr>>1]=codeUnit;outPtr+=2}HEAP16[outPtr>>1]=0;return outPtr-startPtr};var lengthBytesUTF16=str=>str.length*2;var UTF32ToString=(ptr,maxBytesToRead,ignoreNul)=>{var str="";var startIdx=ptr>>2;for(var i=0;!(i>=maxBytesToRead/4);i++){var utf32=HEAPU32[startIdx+i];if(!utf32&&!ignoreNul)break;str+=String.fromCodePoint(utf32)}return str};var stringToUTF32=(str,outPtr,maxBytesToWrite)=>{maxBytesToWrite??=2147483647;if(maxBytesToWrite<4)return 0;var startPtr=outPtr;var endPtr=startPtr+maxBytesToWrite-4;for(var i=0;i<str.length;++i){var codePoint=str.codePointAt(i);if(codePoint>65535){i++}HEAP32[outPtr>>2]=codePoint;outPtr+=4;if(outPtr+4>endPtr)break}HEAP32[outPtr>>2]=0;return outPtr-startPtr};var lengthBytesUTF32=str=>{var len=0;for(var i=0;i<str.length;++i){var codePoint=str.codePointAt(i);if(codePoint>65535){i++}len+=4}return len};var __embind_register_std_wstring=(rawType,charSize,name)=>{name=AsciiToString(name);var decodeString,encodeString,lengthBytesUTF;if(charSize===2){decodeString=UTF16ToString;encodeString=stringToUTF16;lengthBytesUTF=lengthBytesUTF16}else{decodeString=UTF32ToString;encodeString=stringToUTF32;lengthBytesUTF=lengthBytesUTF32}registerType(rawType,{name,fromWireType:value=>{var length=HEAPU32[value>>2];var str=decodeString(value+4,length*charSize,true);_free(value);return str},toWireType:(destructors,value)=>{if(!(typeof value=="string")){throwBindingError(`Cannot pass non-string to C++ string type ${name}`)}var length=lengthBytesUTF(value);var ptr=_malloc(4+length+charSize);HEAPU32[ptr>>2]=length/charSize;encodeString(value,ptr+4,length+charSize);if(destructors!==null){destructors.push(_free,ptr)}return ptr},readValueFromPointer:readPointer,destructorFunction(ptr){_free(ptr)}})};var __embind_register_value_array=(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor)=>{tupleRegistrations[rawType]={name:AsciiToString(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),elements:[]}};var __embind_register_value_array_element=(rawTupleType,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext)=>{tupleRegistrations[rawTupleType].elements.push({getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext,setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext})};var __embind_register_value_object=(rawType,name,constructorSignature,rawConstructor,destructorSignature,rawDestructor)=>{structRegistrations[rawType]={name:AsciiToString(name),rawConstructor:embind__requireFunction(constructorSignature,rawConstructor),rawDestructor:embind__requireFunction(destructorSignature,rawDestructor),fields:[]}};var __embind_register_value_object_field=(structType,fieldName,getterReturnType,getterSignature,getter,getterContext,setterArgumentType,setterSignature,setter,setterContext)=>{structRegistrations[structType].fields.push({fieldName:AsciiToString(fieldName),getterReturnType,getter:embind__requireFunction(getterSignature,getter),getterContext,setterArgumentType,setter:embind__requireFunction(setterSignature,setter),setterContext})};var __embind_register_void=(rawType,name)=>{name=AsciiToString(name);registerType(rawType,{isVoid:true,name,fromWireType:()=>undefined,toWireType:(destructors,o)=>undefined})};var emval_methodCallers=[];var emval_addMethodCaller=caller=>{var id=emval_methodCallers.length;emval_methodCallers.push(caller);return id};var emval_lookupTypes=(argCount,argTypes)=>{var a=new Array(argCount);for(var i=0;i<argCount;++i){a[i]=requireRegisteredType(HEAPU32[argTypes+i*4>>2],`parameter ${i}`)}return a};var emval_returnValue=(toReturnWire,destructorsRef,handle)=>{var destructors=[];var result=toReturnWire(destructors,handle);if(destructors.length){HEAPU32[destructorsRef>>2]=Emval.toHandle(destructors)}return result};var emval_symbols={};var getStringOrSymbol=address=>{var symbol=emval_symbols[address];if(symbol===undefined){return AsciiToString(address)}return symbol};var __emval_create_invoker=(argCount,argTypesPtr,kind)=>{var GenericWireTypeSize=8;var[retType,...argTypes]=emval_lookupTypes(argCount,argTypesPtr);var toReturnWire=retType.toWireType.bind(retType);var argFromPtr=argTypes.map(type=>type.readValueFromPointer.bind(type));argCount--;var captures={toValue:Emval.toValue};var args=argFromPtr.map((argFromPtr,i)=>{var captureName=`argFromPtr${i}`;captures[captureName]=argFromPtr;return`${captureName}(args${i?"+"+i*GenericWireTypeSize:""})`});var functionBody;switch(kind){case 0:functionBody="toValue(handle)";break;case 2:functionBody="new (toValue(handle))";break;case 3:functionBody="";break;case 1:captures["getStringOrSymbol"]=getStringOrSymbol;functionBody="toValue(handle)[getStringOrSymbol(methodName)]";break}functionBody+=`(${args})`;if(!retType.isVoid){captures["toReturnWire"]=toReturnWire;captures["emval_returnValue"]=emval_returnValue;functionBody=`return emval_returnValue(toReturnWire, destructorsRef, ${functionBody})`}functionBody=`return function (handle, methodName, destructorsRef, args) {\n${functionBody}\n}`;var invokerFunction=new Function(Object.keys(captures),functionBody)(...Object.values(captures));var functionName=`methodCaller<(${argTypes.map(t=>t.name)}) => ${retType.name}>`;return emval_addMethodCaller(createNamedFunction(functionName,invokerFunction))};var __emval_get_property=(handle,key)=>{handle=Emval.toValue(handle);key=Emval.toValue(key);return Emval.toHandle(handle[key])};var __emval_incref=handle=>{if(handle>9){emval_handles[handle+1]+=1}};var __emval_invoke=(caller,handle,methodName,destructorsRef,args)=>emval_methodCallers[caller](handle,methodName,destructorsRef,args);var __emval_new_cstring=v=>Emval.toHandle(getStringOrSymbol(v));var __emval_run_destructors=handle=>{var destructors=Emval.toValue(handle);runDestructors(destructors);__emval_decref(handle)};var __tzset_js=(timezone,daylight,std_name,dst_name)=>{var currentYear=(new Date).getFullYear();var winter=new Date(currentYear,0,1);var summer=new Date(currentYear,6,1);var winterOffset=winter.getTimezoneOffset();var summerOffset=summer.getTimezoneOffset();var stdTimezoneOffset=Math.max(winterOffset,summerOffset);HEAPU32[timezone>>2]=stdTimezoneOffset*60;HEAP32[daylight>>2]=Number(winterOffset!=summerOffset);var extractZone=timezoneOffset=>{var sign=timezoneOffset>=0?"-":"+";var absOffset=Math.abs(timezoneOffset);var hours=String(Math.floor(absOffset/60)).padStart(2,"0");var minutes=String(absOffset%60).padStart(2,"0");return`UTC${sign}${hours}${minutes}`};var winterName=extractZone(winterOffset);var summerName=extractZone(summerOffset);if(summerOffset<winterOffset){stringToUTF8(winterName,std_name,17);stringToUTF8(summerName,dst_name,17)}else{stringToUTF8(winterName,dst_name,17);stringToUTF8(summerName,std_name,17)}};var _emscripten_get_now=()=>performance.now();var _emscripten_date_now=()=>Date.now();var nowIsMonotonic=1;var checkWasiClock=clock_id=>clock_id>=0&&clock_id<=3;var INT53_MAX=9007199254740992;var INT53_MIN=-9007199254740992;var bigintToI53Checked=num=>num<INT53_MIN||num>INT53_MAX?NaN:Number(num);function _clock_time_get(clk_id,ignored_precision,ptime){ignored_precision=bigintToI53Checked(ignored_precision);if(!checkWasiClock(clk_id)){return 28}var now;if(clk_id===0){now=_emscripten_date_now()}else if(nowIsMonotonic){now=_emscripten_get_now()}else{return 52}var nsec=Math.round(now*1e3*1e3);HEAP64[ptime>>3]=BigInt(nsec);return 0}var readEmAsmArgsArray=[];var readEmAsmArgs=(sigPtr,buf)=>{readEmAsmArgsArray.length=0;var ch;while(ch=HEAPU8[sigPtr++]){var wide=ch!=105;wide&=ch!=112;buf+=wide&&buf%8?4:0;readEmAsmArgsArray.push(ch==112?HEAPU32[buf>>2]:ch==106?HEAP64[buf>>3]:ch==105?HEAP32[buf>>2]:HEAPF64[buf>>3]);buf+=wide?8:4}return readEmAsmArgsArray};var runEmAsmFunction=(code,sigPtr,argbuf)=>{var args=readEmAsmArgs(sigPtr,argbuf);return ASM_CONSTS[code](...args)};var _emscripten_asm_const_int=(code,sigPtr,argbuf)=>runEmAsmFunction(code,sigPtr,argbuf);var _emscripten_err=str=>err(UTF8ToString(str));var getHeapMax=()=>2147483648;var _emscripten_get_heap_max=()=>getHeapMax();var _emscripten_out=str=>out(UTF8ToString(str));var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var growMemory=size=>{var oldHeapSize=wasmMemory.buffer.byteLength;var pages=(size-oldHeapSize+65535)/65536|0;try{wasmMemory.grow(pages);updateMemoryViews();return 1}catch(e){}};var _emscripten_resize_heap=requestedSize=>{var oldSize=HEAPU8.length;requestedSize>>>=0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignMemory(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=growMemory(newSize);if(replacement){return true}}return false};var ENV={};var getExecutableName=()=>thisProgram||"./this.program";var getEnvStrings=()=>{if(!getEnvStrings.strings){var lang=(globalThis.navigator?.language??"C").replace("-","_")+".UTF-8";var env={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:lang,_:getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(`${x}=${env[x]}`)}getEnvStrings.strings=strings}return getEnvStrings.strings};var _environ_get=(__environ,environ_buf)=>{var bufSize=0;var envp=0;for(var string of getEnvStrings()){var ptr=environ_buf+bufSize;HEAPU32[__environ+envp>>2]=ptr;bufSize+=stringToUTF8(string,ptr,Infinity)+1;envp+=4}return 0};var _environ_sizes_get=(penviron_count,penviron_buf_size)=>{var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;for(var string of strings){bufSize+=lengthBytesUTF8(string)+1}HEAPU32[penviron_buf_size>>2]=bufSize;return 0};function _fd_close(fd){try{var stream=SYSCALLS.getStreamFromFD(fd);FS.close(stream);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var doReadv=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAPU32[iov>>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.read(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr<len)break;if(typeof offset!="undefined"){offset+=curr}}return ret};function _fd_read(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doReadv(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}function _fd_seek(fd,offset,whence,newOffset){offset=bigintToI53Checked(offset);try{if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);FS.llseek(stream,offset,whence);HEAP64[newOffset>>3]=BigInt(stream.position);if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var doWritev=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i<iovcnt;i++){var ptr=HEAPU32[iov>>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(curr<len){break}if(typeof offset!="undefined"){offset+=curr}}return ret};function _fd_write(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doWritev(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var GLctx;var webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance=ctx=>!!(ctx.dibvbi=ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));var webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance=ctx=>!!(ctx.mdibvbi=ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));var webgl_enable_EXT_polygon_offset_clamp=ctx=>!!(ctx.extPolygonOffsetClamp=ctx.getExtension("EXT_polygon_offset_clamp"));var webgl_enable_EXT_clip_control=ctx=>!!(ctx.extClipControl=ctx.getExtension("EXT_clip_control"));var webgl_enable_WEBGL_polygon_mode=ctx=>!!(ctx.webglPolygonMode=ctx.getExtension("WEBGL_polygon_mode"));var webgl_enable_WEBGL_multi_draw=ctx=>!!(ctx.multiDrawWebgl=ctx.getExtension("WEBGL_multi_draw"));var getEmscriptenSupportedExtensions=ctx=>{var supportedExtensions=["EXT_color_buffer_float","EXT_conservative_depth","EXT_disjoint_timer_query_webgl2","EXT_texture_norm16","NV_shader_noperspective_interpolation","WEBGL_clip_cull_distance","EXT_clip_control","EXT_color_buffer_half_float","EXT_depth_clamp","EXT_float_blend","EXT_polygon_offset_clamp","EXT_texture_compression_bptc","EXT_texture_compression_rgtc","EXT_texture_filter_anisotropic","KHR_parallel_shader_compile","OES_texture_float_linear","WEBGL_blend_func_extended","WEBGL_compressed_texture_astc","WEBGL_compressed_texture_etc","WEBGL_compressed_texture_etc1","WEBGL_compressed_texture_s3tc","WEBGL_compressed_texture_s3tc_srgb","WEBGL_debug_renderer_info","WEBGL_debug_shaders","WEBGL_lose_context","WEBGL_multi_draw","WEBGL_polygon_mode"];return(ctx.getSupportedExtensions()||[]).filter(ext=>supportedExtensions.includes(ext))};var registerPreMainLoop=f=>{typeof MainLoop!="undefined"&&MainLoop.preMainLoop.push(f)};var GL={counter:1,buffers:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],samplers:[],transformFeedbacks:[],syncs:[],byteSizeByTypeRoot:5120,byteSizeByType:[1,1,2,2,4,4,4,2,3,4,8],stringCache:{},stringiCache:{},unpackAlignment:4,unpackRowLength:0,recordError:errorCode=>{if(!GL.lastError){GL.lastError=errorCode}},getNewId:table=>{var ret=GL.counter++;for(var i=table.length;i<ret;i++){table[i]=null}while(table[ret]){ret=GL.counter++}return ret},genObject:(n,buffers,createFunction,objectTable)=>{for(var i=0;i<n;i++){var buffer=GLctx[createFunction]();var id=buffer&&GL.getNewId(objectTable);if(buffer){buffer.name=id;objectTable[id]=buffer}else{GL.recordError(1282)}HEAP32[buffers+i*4>>2]=id}},MAX_TEMP_BUFFER_SIZE:2097152,numTempVertexBuffersPerSize:64,log2ceilLookup:i=>32-Math.clz32(i===0?0:i-1),generateTempBuffers:(quads,context)=>{var largestIndex=GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);context.tempVertexBufferCounters1=[];context.tempVertexBufferCounters2=[];context.tempVertexBufferCounters1.length=context.tempVertexBufferCounters2.length=largestIndex+1;context.tempVertexBuffers1=[];context.tempVertexBuffers2=[];context.tempVertexBuffers1.length=context.tempVertexBuffers2.length=largestIndex+1;context.tempIndexBuffers=[];context.tempIndexBuffers.length=largestIndex+1;for(var i=0;i<=largestIndex;++i){context.tempIndexBuffers[i]=null;context.tempVertexBufferCounters1[i]=context.tempVertexBufferCounters2[i]=0;var ringbufferLength=GL.numTempVertexBuffersPerSize;context.tempVertexBuffers1[i]=[];context.tempVertexBuffers2[i]=[];var ringbuffer1=context.tempVertexBuffers1[i];var ringbuffer2=context.tempVertexBuffers2[i];ringbuffer1.length=ringbuffer2.length=ringbufferLength;for(var j=0;j<ringbufferLength;++j){ringbuffer1[j]=ringbuffer2[j]=null}}if(quads){context.tempQuadIndexBuffer=GLctx.createBuffer();context.GLctx.bindBuffer(34963,context.tempQuadIndexBuffer);var numIndexes=GL.MAX_TEMP_BUFFER_SIZE>>1;var quadIndexes=new Uint16Array(numIndexes);var i=0,v=0;while(1){quadIndexes[i++]=v;if(i>=numIndexes)break;quadIndexes[i++]=v+1;if(i>=numIndexes)break;quadIndexes[i++]=v+2;if(i>=numIndexes)break;quadIndexes[i++]=v;if(i>=numIndexes)break;quadIndexes[i++]=v+2;if(i>=numIndexes)break;quadIndexes[i++]=v+3;if(i>=numIndexes)break;v+=4}context.GLctx.bufferData(34963,quadIndexes,35044);context.GLctx.bindBuffer(34963,null)}},getTempVertexBuffer:sizeBytes=>{var idx=GL.log2ceilLookup(sizeBytes);var ringbuffer=GL.currentContext.tempVertexBuffers1[idx];var nextFreeBufferIndex=GL.currentContext.tempVertexBufferCounters1[idx];GL.currentContext.tempVertexBufferCounters1[idx]=GL.currentContext.tempVertexBufferCounters1[idx]+1&GL.numTempVertexBuffersPerSize-1;var vbo=ringbuffer[nextFreeBufferIndex];if(vbo){return vbo}var prevVBO=GLctx.getParameter(34964);ringbuffer[nextFreeBufferIndex]=GLctx.createBuffer();GLctx.bindBuffer(34962,ringbuffer[nextFreeBufferIndex]);GLctx.bufferData(34962,1<<idx,35048);GLctx.bindBuffer(34962,prevVBO);return ringbuffer[nextFreeBufferIndex]},getTempIndexBuffer:sizeBytes=>{var idx=GL.log2ceilLookup(sizeBytes);var ibo=GL.currentContext.tempIndexBuffers[idx];if(ibo){return ibo}var prevIBO=GLctx.getParameter(34965);GL.currentContext.tempIndexBuffers[idx]=GLctx.createBuffer();GLctx.bindBuffer(34963,GL.currentContext.tempIndexBuffers[idx]);GLctx.bufferData(34963,1<<idx,35048);GLctx.bindBuffer(34963,prevIBO);return GL.currentContext.tempIndexBuffers[idx]},newRenderingFrameStarted:()=>{if(!GL.currentContext){return}var vb=GL.currentContext.tempVertexBuffers1;GL.currentContext.tempVertexBuffers1=GL.currentContext.tempVertexBuffers2;GL.currentContext.tempVertexBuffers2=vb;vb=GL.currentContext.tempVertexBufferCounters1;GL.currentContext.tempVertexBufferCounters1=GL.currentContext.tempVertexBufferCounters2;GL.currentContext.tempVertexBufferCounters2=vb;var largestIndex=GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);for(var i=0;i<=largestIndex;++i){GL.currentContext.tempVertexBufferCounters1[i]=0}},getSource:(shader,count,string,length)=>{var source="";for(var i=0;i<count;++i){var len=length?HEAPU32[length+i*4>>2]:undefined;source+=UTF8ToString(HEAPU32[string+i*4>>2],len)}return source},calcBufLength:(size,type,stride,count)=>{if(stride>0){return count*stride}var typeSize=GL.byteSizeByType[type-GL.byteSizeByTypeRoot];return size*typeSize*count},usedTempBuffers:[],preDrawHandleClientVertexAttribBindings:count=>{GL.resetBufferBinding=false;for(var i=0;i<GL.currentContext.maxVertexAttribs;++i){var cb=GL.currentContext.clientBuffers[i];if(!cb.clientside||!cb.enabled)continue;GL.resetBufferBinding=true;var size=GL.calcBufLength(cb.size,cb.type,cb.stride,count);var buf=GL.getTempVertexBuffer(size);GLctx.bindBuffer(34962,buf);GLctx.bufferSubData(34962,0,HEAPU8.subarray(cb.ptr,cb.ptr+size));cb.vertexAttribPointerAdaptor.call(GLctx,i,cb.size,cb.type,cb.normalized,cb.stride,0)}},postDrawHandleClientVertexAttribBindings:()=>{if(GL.resetBufferBinding){GLctx.bindBuffer(34962,GL.buffers[GLctx.currentArrayBufferBinding])}},createContext:(canvas,webGLContextAttributes)=>{if(!canvas.getContextSafariWebGL2Fixed){canvas.getContextSafariWebGL2Fixed=canvas.getContext;function fixedGetContext(ver,attrs){var gl=canvas.getContextSafariWebGL2Fixed(ver,attrs);return ver=="webgl"==gl instanceof WebGLRenderingContext?gl:null}canvas.getContext=fixedGetContext}var ctx=canvas.getContext("webgl2",webGLContextAttributes);if(!ctx)return 0;var handle=GL.registerContext(ctx,webGLContextAttributes);return handle},registerContext:(ctx,webGLContextAttributes)=>{var handle=GL.getNewId(GL.contexts);var context={handle,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)}context.maxVertexAttribs=context.GLctx.getParameter(34921);context.clientBuffers=[];for(var i=0;i<context.maxVertexAttribs;i++){context.clientBuffers[i]={enabled:false,clientside:false,size:0,type:0,normalized:0,stride:0,ptr:0,vertexAttribPointerAdaptor:null}}GL.generateTempBuffers(false,context);return handle},makeContextCurrent:contextHandle=>{GL.currentContext=GL.contexts[contextHandle];Module["ctx"]=GLctx=GL.currentContext?.GLctx;return!(contextHandle&&!GLctx)},getContext:contextHandle=>GL.contexts[contextHandle],deleteContext:contextHandle=>{if(GL.currentContext===GL.contexts[contextHandle]){GL.currentContext=null}if(typeof JSEvents=="object"){JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas)}if(GL.contexts[contextHandle]?.GLctx.canvas){GL.contexts[contextHandle].GLctx.canvas.GLctxObject=undefined}GL.contexts[contextHandle]=null},initExtensions:context=>{context||=GL.currentContext;if(context.initExtensionsDone)return;context.initExtensionsDone=true;var GLctx=context.GLctx;webgl_enable_WEBGL_multi_draw(GLctx);webgl_enable_EXT_polygon_offset_clamp(GLctx);webgl_enable_EXT_clip_control(GLctx);webgl_enable_WEBGL_polygon_mode(GLctx);webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);if(context.version>=2){GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query_webgl2")}if(context.version<2||!GLctx.disjointTimerQueryExt){GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query")}for(var ext of getEmscriptenSupportedExtensions(GLctx)){if(!ext.includes("lose_context")&&!ext.includes("debug")){GLctx.getExtension(ext)}}}};var _emscripten_glActiveTexture=x0=>GLctx.activeTexture(x0);var _glActiveTexture=_emscripten_glActiveTexture;var _emscripten_glAttachShader=(program,shader)=>{GLctx.attachShader(GL.programs[program],GL.shaders[shader])};var _glAttachShader=_emscripten_glAttachShader;var _emscripten_glBeginQuery=(target,id)=>{GLctx.beginQuery(target,GL.queries[id])};var _glBeginQuery=_emscripten_glBeginQuery;var _emscripten_glBindAttribLocation=(program,index,name)=>{GLctx.bindAttribLocation(GL.programs[program],index,UTF8ToString(name))};var _glBindAttribLocation=_emscripten_glBindAttribLocation;var _emscripten_glBindBuffer=(target,buffer)=>{if(buffer&&!GL.buffers[buffer]){var b=GLctx.createBuffer();b.name=buffer;GL.buffers[buffer]=b}if(target==34962){GLctx.currentArrayBufferBinding=buffer}else if(target==34963){GLctx.currentElementArrayBufferBinding=buffer}if(target==35051){GLctx.currentPixelPackBufferBinding=buffer}else if(target==35052){GLctx.currentPixelUnpackBufferBinding=buffer}GLctx.bindBuffer(target,GL.buffers[buffer])};var _glBindBuffer=_emscripten_glBindBuffer;var _emscripten_glBindBufferBase=(target,index,buffer)=>{GLctx.bindBufferBase(target,index,GL.buffers[buffer])};var _glBindBufferBase=_emscripten_glBindBufferBase;var _emscripten_glBindBufferRange=(target,index,buffer,offset,ptrsize)=>{GLctx.bindBufferRange(target,index,GL.buffers[buffer],offset,ptrsize)};var _glBindBufferRange=_emscripten_glBindBufferRange;var _emscripten_glBindFramebuffer=(target,framebuffer)=>{GLctx.bindFramebuffer(target,GL.framebuffers[framebuffer])};var _glBindFramebuffer=_emscripten_glBindFramebuffer;var _emscripten_glBindRenderbuffer=(target,renderbuffer)=>{GLctx.bindRenderbuffer(target,GL.renderbuffers[renderbuffer])};var _glBindRenderbuffer=_emscripten_glBindRenderbuffer;var _emscripten_glBindSampler=(unit,sampler)=>{GLctx.bindSampler(unit,GL.samplers[sampler])};var _glBindSampler=_emscripten_glBindSampler;var _emscripten_glBindTexture=(target,texture)=>{GLctx.bindTexture(target,GL.textures[texture])};var _glBindTexture=_emscripten_glBindTexture;var _emscripten_glBindVertexArray=vao=>{GLctx.bindVertexArray(GL.vaos[vao]);var ibo=GLctx.getParameter(34965);GLctx.currentElementArrayBufferBinding=ibo?ibo.name|0:0};var _glBindVertexArray=_emscripten_glBindVertexArray;var _emscripten_glBlendEquationSeparate=(x0,x1)=>GLctx.blendEquationSeparate(x0,x1);var _glBlendEquationSeparate=_emscripten_glBlendEquationSeparate;var _emscripten_glBlendFuncSeparate=(x0,x1,x2,x3)=>GLctx.blendFuncSeparate(x0,x1,x2,x3);var _glBlendFuncSeparate=_emscripten_glBlendFuncSeparate;var _emscripten_glBlitFramebuffer=(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9)=>GLctx.blitFramebuffer(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9);var _glBlitFramebuffer=_emscripten_glBlitFramebuffer;var _emscripten_glBufferData=(target,size,data,usage)=>{if(true){if(data&&size){GLctx.bufferData(target,HEAPU8,usage,data,size)}else{GLctx.bufferData(target,size,usage)}return}};var _glBufferData=_emscripten_glBufferData;var _emscripten_glBufferSubData=(target,offset,size,data)=>{if(true){size&&GLctx.bufferSubData(target,offset,HEAPU8,data,size);return}};var _glBufferSubData=_emscripten_glBufferSubData;var _emscripten_glClear=x0=>GLctx.clear(x0);var _glClear=_emscripten_glClear;var _emscripten_glClearBufferfi=(x0,x1,x2,x3)=>GLctx.clearBufferfi(x0,x1,x2,x3);var _glClearBufferfi=_emscripten_glClearBufferfi;var _emscripten_glClearBufferfv=(buffer,drawbuffer,value)=>{GLctx.clearBufferfv(buffer,drawbuffer,HEAPF32,value>>2)};var _glClearBufferfv=_emscripten_glClearBufferfv;var _emscripten_glClearBufferiv=(buffer,drawbuffer,value)=>{GLctx.clearBufferiv(buffer,drawbuffer,HEAP32,value>>2)};var _glClearBufferiv=_emscripten_glClearBufferiv;var _emscripten_glClearColor=(x0,x1,x2,x3)=>GLctx.clearColor(x0,x1,x2,x3);var _glClearColor=_emscripten_glClearColor;var _emscripten_glClearDepthf=x0=>GLctx.clearDepth(x0);var _glClearDepthf=_emscripten_glClearDepthf;var _emscripten_glClearStencil=x0=>GLctx.clearStencil(x0);var _glClearStencil=_emscripten_glClearStencil;var _emscripten_glClientWaitSync=(sync,flags,timeout)=>{timeout=Number(timeout);return GLctx.clientWaitSync(GL.syncs[sync],flags,timeout)};var _glClientWaitSync=_emscripten_glClientWaitSync;var _emscripten_glColorMask=(red,green,blue,alpha)=>{GLctx.colorMask(!!red,!!green,!!blue,!!alpha)};var _glColorMask=_emscripten_glColorMask;var _emscripten_glCompileShader=shader=>{GLctx.compileShader(GL.shaders[shader])};var _glCompileShader=_emscripten_glCompileShader;var _emscripten_glCompressedTexSubImage2D=(target,level,xoffset,yoffset,width,height,format,imageSize,data)=>{if(true){if(GLctx.currentPixelUnpackBufferBinding||!imageSize){GLctx.compressedTexSubImage2D(target,level,xoffset,yoffset,width,height,format,imageSize,data);return}GLctx.compressedTexSubImage2D(target,level,xoffset,yoffset,width,height,format,HEAPU8,data,imageSize);return}};var _glCompressedTexSubImage2D=_emscripten_glCompressedTexSubImage2D;var _emscripten_glCompressedTexSubImage3D=(target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data)=>{if(GLctx.currentPixelUnpackBufferBinding){GLctx.compressedTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,imageSize,data)}else{GLctx.compressedTexSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,HEAPU8,data,imageSize)}};var _glCompressedTexSubImage3D=_emscripten_glCompressedTexSubImage3D;var _emscripten_glCopyBufferSubData=(x0,x1,x2,x3,x4)=>GLctx.copyBufferSubData(x0,x1,x2,x3,x4);var _glCopyBufferSubData=_emscripten_glCopyBufferSubData;var _emscripten_glCreateProgram=()=>{var id=GL.getNewId(GL.programs);var program=GLctx.createProgram();program.name=id;program.maxUniformLength=program.maxAttributeLength=program.maxUniformBlockNameLength=0;program.uniformIdCounter=1;GL.programs[id]=program;return id};var _glCreateProgram=_emscripten_glCreateProgram;var _emscripten_glCreateShader=shaderType=>{var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id};var _glCreateShader=_emscripten_glCreateShader;var _emscripten_glCullFace=x0=>GLctx.cullFace(x0);var _glCullFace=_emscripten_glCullFace;var _emscripten_glDeleteBuffers=(n,buffers)=>{for(var i=0;i<n;i++){var id=HEAP32[buffers+i*4>>2];var buffer=GL.buffers[id];if(!buffer)continue;GLctx.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;if(id==GLctx.currentArrayBufferBinding)GLctx.currentArrayBufferBinding=0;if(id==GLctx.currentElementArrayBufferBinding)GLctx.currentElementArrayBufferBinding=0;if(id==GLctx.currentPixelPackBufferBinding)GLctx.currentPixelPackBufferBinding=0;if(id==GLctx.currentPixelUnpackBufferBinding)GLctx.currentPixelUnpackBufferBinding=0}};var _glDeleteBuffers=_emscripten_glDeleteBuffers;var _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}};var _glDeleteFramebuffers=_emscripten_glDeleteFramebuffers;var _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};var _glDeleteProgram=_emscripten_glDeleteProgram;var _emscripten_glDeleteQueries=(n,ids)=>{for(var i=0;i<n;i++){var id=HEAP32[ids+i*4>>2];var query=GL.queries[id];if(!query)continue;GLctx.deleteQuery(query);GL.queries[id]=null}};var _glDeleteQueries=_emscripten_glDeleteQueries;var _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}};var _glDeleteRenderbuffers=_emscripten_glDeleteRenderbuffers;var _emscripten_glDeleteSamplers=(n,samplers)=>{for(var i=0;i<n;i++){var id=HEAP32[samplers+i*4>>2];var sampler=GL.samplers[id];if(!sampler)continue;GLctx.deleteSampler(sampler);sampler.name=0;GL.samplers[id]=null}};var _glDeleteSamplers=_emscripten_glDeleteSamplers;var _emscripten_glDeleteShader=id=>{if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null};var _glDeleteShader=_emscripten_glDeleteShader;var _emscripten_glDeleteSync=id=>{if(!id)return;var sync=GL.syncs[id];if(!sync){GL.recordError(1281);return}GLctx.deleteSync(sync);sync.name=0;GL.syncs[id]=null};var _glDeleteSync=_emscripten_glDeleteSync;var _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}};var _glDeleteTextures=_emscripten_glDeleteTextures;var _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}};var _glDeleteVertexArrays=_emscripten_glDeleteVertexArrays;var _emscripten_glDepthFunc=x0=>GLctx.depthFunc(x0);var _glDepthFunc=_emscripten_glDepthFunc;var _emscripten_glDepthMask=flag=>{GLctx.depthMask(!!flag)};var _glDepthMask=_emscripten_glDepthMask;var _emscripten_glDepthRangef=(x0,x1)=>GLctx.depthRange(x0,x1);var _glDepthRangef=_emscripten_glDepthRangef;var _emscripten_glDetachShader=(program,shader)=>{GLctx.detachShader(GL.programs[program],GL.shaders[shader])};var _glDetachShader=_emscripten_glDetachShader;var _emscripten_glDisable=x0=>GLctx.disable(x0);var _glDisable=_emscripten_glDisable;var _emscripten_glDisableVertexAttribArray=index=>{var cb=GL.currentContext.clientBuffers[index];cb.enabled=false;GLctx.disableVertexAttribArray(index)};var _glDisableVertexAttribArray=_emscripten_glDisableVertexAttribArray;var tempFixedLengthArray=[];var _emscripten_glDrawBuffers=(n,bufs)=>{var bufArray=tempFixedLengthArray[n];for(var i=0;i<n;i++){bufArray[i]=HEAP32[bufs+i*4>>2]}GLctx.drawBuffers(bufArray)};var _glDrawBuffers=_emscripten_glDrawBuffers;var _emscripten_glDrawElements=(mode,count,type,indices)=>{var buf;var vertexes=0;if(!GLctx.currentElementArrayBufferBinding){var size=GL.calcBufLength(1,type,0,count);buf=GL.getTempIndexBuffer(size);GLctx.bindBuffer(34963,buf);GLctx.bufferSubData(34963,0,HEAPU8.subarray(indices,indices+size));if(count>0){for(var i=0;i<GL.currentContext.maxVertexAttribs;++i){var cb=GL.currentContext.clientBuffers[i];if(cb.clientside&&cb.enabled){let arrayClass;switch(type){case 5121:arrayClass=Uint8Array;break;case 5123:arrayClass=Uint16Array;break;case 5125:arrayClass=Uint32Array;break;default:GL.recordError(1282);return}vertexes=new arrayClass(HEAPU8.buffer,indices,count).reduce((max,current)=>Math.max(max,current))+1;break}}}indices=0}GL.preDrawHandleClientVertexAttribBindings(vertexes);GLctx.drawElements(mode,count,type,indices);GL.postDrawHandleClientVertexAttribBindings(count);if(!GLctx.currentElementArrayBufferBinding){GLctx.bindBuffer(34963,null)}};var _glDrawElements=_emscripten_glDrawElements;var _emscripten_glDrawElementsInstanced=(mode,count,type,indices,primcount)=>{GLctx.drawElementsInstanced(mode,count,type,indices,primcount)};var _glDrawElementsInstanced=_emscripten_glDrawElementsInstanced;var _emscripten_glEnable=x0=>GLctx.enable(x0);var _glEnable=_emscripten_glEnable;var _emscripten_glEnableVertexAttribArray=index=>{var cb=GL.currentContext.clientBuffers[index];cb.enabled=true;GLctx.enableVertexAttribArray(index)};var _glEnableVertexAttribArray=_emscripten_glEnableVertexAttribArray;var _emscripten_glEndQuery=x0=>GLctx.endQuery(x0);var _glEndQuery=_emscripten_glEndQuery;var _emscripten_glFenceSync=(condition,flags)=>{var sync=GLctx.fenceSync(condition,flags);if(sync){var id=GL.getNewId(GL.syncs);sync.name=id;GL.syncs[id]=sync;return id}return 0};var _glFenceSync=_emscripten_glFenceSync;var _emscripten_glFinish=()=>GLctx.finish();var _glFinish=_emscripten_glFinish;var _emscripten_glFlush=()=>GLctx.flush();var _glFlush=_emscripten_glFlush;var _emscripten_glFramebufferRenderbuffer=(target,attachment,renderbuffertarget,renderbuffer)=>{GLctx.framebufferRenderbuffer(target,attachment,renderbuffertarget,GL.renderbuffers[renderbuffer])};var _glFramebufferRenderbuffer=_emscripten_glFramebufferRenderbuffer;var _emscripten_glFramebufferTexture2D=(target,attachment,textarget,texture,level)=>{GLctx.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level)};var _glFramebufferTexture2D=_emscripten_glFramebufferTexture2D;var _emscripten_glFramebufferTextureLayer=(target,attachment,texture,level,layer)=>{GLctx.framebufferTextureLayer(target,attachment,GL.textures[texture],level,layer)};var _glFramebufferTextureLayer=_emscripten_glFramebufferTextureLayer;var _emscripten_glFrontFace=x0=>GLctx.frontFace(x0);var _glFrontFace=_emscripten_glFrontFace;var _emscripten_glGenBuffers=(n,buffers)=>{GL.genObject(n,buffers,"createBuffer",GL.buffers)};var _glGenBuffers=_emscripten_glGenBuffers;var _emscripten_glGenFramebuffers=(n,ids)=>{GL.genObject(n,ids,"createFramebuffer",GL.framebuffers)};var _glGenFramebuffers=_emscripten_glGenFramebuffers;var _emscripten_glGenQueries=(n,ids)=>{GL.genObject(n,ids,"createQuery",GL.queries)};var _glGenQueries=_emscripten_glGenQueries;var _emscripten_glGenRenderbuffers=(n,renderbuffers)=>{GL.genObject(n,renderbuffers,"createRenderbuffer",GL.renderbuffers)};var _glGenRenderbuffers=_emscripten_glGenRenderbuffers;var _emscripten_glGenSamplers=(n,samplers)=>{GL.genObject(n,samplers,"createSampler",GL.samplers)};var _glGenSamplers=_emscripten_glGenSamplers;var _emscripten_glGenTextures=(n,textures)=>{GL.genObject(n,textures,"createTexture",GL.textures)};var _glGenTextures=_emscripten_glGenTextures;var _emscripten_glGenVertexArrays=(n,arrays)=>{GL.genObject(n,arrays,"createVertexArray",GL.vaos)};var _glGenVertexArrays=_emscripten_glGenVertexArrays;var _emscripten_glGenerateMipmap=x0=>GLctx.generateMipmap(x0);var _glGenerateMipmap=_emscripten_glGenerateMipmap;var _emscripten_glGetBufferSubData=(target,offset,size,data)=>{if(!data){GL.recordError(1281);return}size&&GLctx.getBufferSubData(target,offset,HEAPU8,data,size)};var _glGetBufferSubData=_emscripten_glGetBufferSubData;var _emscripten_glGetError=()=>{var error=GLctx.getError()||GL.lastError;GL.lastError=0;return error};var _glGetError=_emscripten_glGetError;var writeI53ToI64=(ptr,num)=>{HEAPU32[ptr>>2]=num;var lower=HEAPU32[ptr>>2];HEAPU32[ptr+4>>2]=(num-lower)/4294967296};var webglGetExtensions=()=>{var exts=getEmscriptenSupportedExtensions(GLctx);exts=exts.concat(exts.map(e=>"GL_"+e));return exts};var emscriptenWebGLGet=(name_,p,type)=>{if(!p){GL.recordError(1281);return}var ret=undefined;switch(name_){case 36346:ret=1;break;case 36344:if(type!=0&&type!=1){GL.recordError(1280)}return;case 34814:case 36345:ret=0;break;case 34466:var formats=GLctx.getParameter(34467);ret=formats?formats.length:0;break;case 33309:if(GL.currentContext.version<2){GL.recordError(1282);return}ret=webglGetExtensions().length;break;case 33307:case 33308:if(GL.currentContext.version<2){GL.recordError(1280);return}ret=name_==33307?3:0;break}if(ret===undefined){var result=GLctx.getParameter(name_);switch(typeof result){case"number":ret=result;break;case"boolean":ret=result?1:0;break;case"string":GL.recordError(1280);return;case"object":if(result===null){switch(name_){case 34964:case 35725:case 34965:case 36006:case 36007:case 32873:case 34229:case 36662:case 36663:case 35053:case 35055:case 36010:case 35097:case 35869:case 32874:case 36389:case 35983:case 35368:case 34068:{ret=0;break}default:{GL.recordError(1280);return}}}else if(result instanceof Float32Array||result instanceof Uint32Array||result instanceof Int32Array||result instanceof Array){for(var i=0;i<result.length;++i){switch(type){case 0:HEAP32[p+i*4>>2]=result[i];break;case 2:HEAPF32[p+i*4>>2]=result[i];break;case 4:HEAP8[p+i]=result[i]?1:0;break}}return}else{try{ret=result.name|0}catch(e){GL.recordError(1280);err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);return}}break;default:GL.recordError(1280);err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof result}!`);return}}switch(type){case 1:writeI53ToI64(p,ret);break;case 0:HEAP32[p>>2]=ret;break;case 2:HEAPF32[p>>2]=ret;break;case 4:HEAP8[p]=ret?1:0;break}};var _emscripten_glGetFloatv=(name_,p)=>emscriptenWebGLGet(name_,p,2);var _glGetFloatv=_emscripten_glGetFloatv;var _emscripten_glGetIntegerv=(name_,p)=>emscriptenWebGLGet(name_,p,0);var _glGetIntegerv=_emscripten_glGetIntegerv;var _emscripten_glGetProgramBinary=(program,bufSize,length,binaryFormat,binary)=>{GL.recordError(1282)};var _glGetProgramBinary=_emscripten_glGetProgramBinary;var _emscripten_glGetProgramInfoLog=(program,maxLength,length,infoLog)=>{var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull};var _glGetProgramInfoLog=_emscripten_glGetProgramInfoLog;var _emscripten_glGetProgramiv=(program,pname,p)=>{if(!p){GL.recordError(1281);return}if(program>=GL.counter){GL.recordError(1281);return}program=GL.programs[program];if(pname==35716){var log=GLctx.getProgramInfoLog(program);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35719){if(!program.maxUniformLength){var numActiveUniforms=GLctx.getProgramParameter(program,35718);for(var i=0;i<numActiveUniforms;++i){program.maxUniformLength=Math.max(program.maxUniformLength,GLctx.getActiveUniform(program,i).name.length+1)}}HEAP32[p>>2]=program.maxUniformLength}else if(pname==35722){if(!program.maxAttributeLength){var numActiveAttributes=GLctx.getProgramParameter(program,35721);for(var i=0;i<numActiveAttributes;++i){program.maxAttributeLength=Math.max(program.maxAttributeLength,GLctx.getActiveAttrib(program,i).name.length+1)}}HEAP32[p>>2]=program.maxAttributeLength}else if(pname==35381){if(!program.maxUniformBlockNameLength){var numActiveUniformBlocks=GLctx.getProgramParameter(program,35382);for(var i=0;i<numActiveUniformBlocks;++i){program.maxUniformBlockNameLength=Math.max(program.maxUniformBlockNameLength,GLctx.getActiveUniformBlockName(program,i).length+1)}}HEAP32[p>>2]=program.maxUniformBlockNameLength}else{HEAP32[p>>2]=GLctx.getProgramParameter(program,pname)}};var _glGetProgramiv=_emscripten_glGetProgramiv;var _emscripten_glGetQueryObjectuiv=(id,pname,params)=>{if(!params){GL.recordError(1281);return}var query=GL.queries[id];var param=GLctx.getQueryParameter(query,pname);var ret;if(typeof param=="boolean"){ret=param?1:0}else{ret=param}HEAP32[params>>2]=ret};var _glGetQueryObjectuiv=_emscripten_glGetQueryObjectuiv;var _emscripten_glGetShaderInfoLog=(shader,maxLength,length,infoLog)=>{var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull};var _glGetShaderInfoLog=_emscripten_glGetShaderInfoLog;var _emscripten_glGetShaderiv=(shader,pname,p)=>{if(!p){GL.recordError(1281);return}if(pname==35716){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var logLength=log?log.length+1:0;HEAP32[p>>2]=logLength}else if(pname==35720){var source=GLctx.getShaderSource(GL.shaders[shader]);var sourceLength=source?source.length+1:0;HEAP32[p>>2]=sourceLength}else{HEAP32[p>>2]=GLctx.getShaderParameter(GL.shaders[shader],pname)}};var _glGetShaderiv=_emscripten_glGetShaderiv;var stringToNewUTF8=str=>{var size=lengthBytesUTF8(str)+1;var ret=_malloc(size);if(ret)stringToUTF8(str,ret,size);return ret};var _emscripten_glGetString=name_=>{var ret=GL.stringCache[name_];if(!ret){switch(name_){case 7939:ret=stringToNewUTF8(webglGetExtensions().join(" "));break;case 7936:case 7937:case 37445:case 37446:var s=GLctx.getParameter(name_);if(!s){GL.recordError(1280)}ret=s?stringToNewUTF8(s):0;break;case 7938:var webGLVersion=GLctx.getParameter(7938);var glVersion=`OpenGL ES 2.0 (${webGLVersion})`;if(true)glVersion=`OpenGL ES 3.0 (${webGLVersion})`;ret=stringToNewUTF8(glVersion);break;case 35724:var glslVersion=GLctx.getParameter(35724);var ver_re=/^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;var ver_num=glslVersion.match(ver_re);if(ver_num!==null){if(ver_num[1].length==3)ver_num[1]=ver_num[1]+"0";glslVersion=`OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`}ret=stringToNewUTF8(glslVersion);break;default:GL.recordError(1280)}GL.stringCache[name_]=ret}return ret};var _glGetString=_emscripten_glGetString;var _emscripten_glGetUniformBlockIndex=(program,uniformBlockName)=>GLctx.getUniformBlockIndex(GL.programs[program],UTF8ToString(uniformBlockName));var _glGetUniformBlockIndex=_emscripten_glGetUniformBlockIndex;var jstoi_q=str=>parseInt(str);var webglGetLeftBracePos=name=>name.slice(-1)=="]"&&name.lastIndexOf("[");var webglPrepareUniformLocationsBeforeFirstUse=program=>{var uniformLocsById=program.uniformLocsById,uniformSizeAndIdsByName=program.uniformSizeAndIdsByName,i,j;if(!uniformLocsById){program.uniformLocsById=uniformLocsById={};program.uniformArrayNamesById={};var numActiveUniforms=GLctx.getProgramParameter(program,35718);for(i=0;i<numActiveUniforms;++i){var u=GLctx.getActiveUniform(program,i);var nm=u.name;var sz=u.size;var lb=webglGetLeftBracePos(nm);var arrayName=lb>0?nm.slice(0,lb):nm;var id=program.uniformIdCounter;program.uniformIdCounter+=sz;uniformSizeAndIdsByName[arrayName]=[sz,id];for(j=0;j<sz;++j){uniformLocsById[id]=j;program.uniformArrayNamesById[id++]=arrayName}}}};var _emscripten_glGetUniformLocation=(program,name)=>{name=UTF8ToString(name);if(program=GL.programs[program]){webglPrepareUniformLocationsBeforeFirstUse(program);var uniformLocsById=program.uniformLocsById;var arrayIndex=0;var uniformBaseName=name;var leftBrace=webglGetLeftBracePos(name);if(leftBrace>0){arrayIndex=jstoi_q(name.slice(leftBrace+1))>>>0;uniformBaseName=name.slice(0,leftBrace)}var sizeAndId=program.uniformSizeAndIdsByName[uniformBaseName];if(sizeAndId&&arrayIndex<sizeAndId[0]){arrayIndex+=sizeAndId[1];if(uniformLocsById[arrayIndex]=uniformLocsById[arrayIndex]||GLctx.getUniformLocation(program,name)){return arrayIndex}}}else{GL.recordError(1281)}return-1};var _glGetUniformLocation=_emscripten_glGetUniformLocation;var _emscripten_glHint=(x0,x1)=>GLctx.hint(x0,x1);var _glHint=_emscripten_glHint;var _emscripten_glInvalidateFramebuffer=(target,numAttachments,attachments)=>{var list=tempFixedLengthArray[numAttachments];for(var i=0;i<numAttachments;i++){list[i]=HEAP32[attachments+i*4>>2]}GLctx.invalidateFramebuffer(target,list)};var _glInvalidateFramebuffer=_emscripten_glInvalidateFramebuffer;var _emscripten_glLinkProgram=program=>{program=GL.programs[program];GLctx.linkProgram(program);program.uniformLocsById=0;program.uniformSizeAndIdsByName={}};var _glLinkProgram=_emscripten_glLinkProgram;var emscriptenWebGLGetBufferBinding=target=>{switch(target){case 34962:target=34964;break;case 34963:target=34965;break;case 35051:target=35053;break;case 35052:target=35055;break;case 35982:target=35983;break;case 36662:target=36662;break;case 36663:target=36663;break;case 35345:target=35368;break}var buffer=GLctx.getParameter(target);if(buffer)return buffer.name|0;else return 0};var emscriptenWebGLValidateMapBufferTarget=target=>{switch(target){case 34962:case 34963:case 36662:case 36663:case 35051:case 35052:case 35882:case 35982:case 35345:return true;default:return false}};var _emscripten_glMapBufferRange=(target,offset,length,access)=>{if((access&(1|32))!=0){err("glMapBufferRange access does not support MAP_READ or MAP_UNSYNCHRONIZED");return 0}if((access&2)==0){err("glMapBufferRange access must include MAP_WRITE");return 0}if((access&(4|8))==0){err("glMapBufferRange access must include INVALIDATE_BUFFER or INVALIDATE_RANGE");return 0}if(!emscriptenWebGLValidateMapBufferTarget(target)){GL.recordError(1280);err("GL_INVALID_ENUM in glMapBufferRange");return 0}var mem=_malloc(length),binding=emscriptenWebGLGetBufferBinding(target);if(!mem)return 0;binding=GL.mappedBuffers[binding]??={};binding.offset=offset;binding.length=length;binding.mem=mem;binding.access=access;return mem};var _glMapBufferRange=_emscripten_glMapBufferRange;var _emscripten_glPixelStorei=(pname,param)=>{if(pname==3317){GL.unpackAlignment=param}else if(pname==3314){GL.unpackRowLength=param}GLctx.pixelStorei(pname,param)};var _glPixelStorei=_emscripten_glPixelStorei;var _emscripten_glPolygonOffset=(x0,x1)=>GLctx.polygonOffset(x0,x1);var _glPolygonOffset=_emscripten_glPolygonOffset;var _emscripten_glProgramBinary=(program,binaryFormat,binary,length)=>{GL.recordError(1280)};var _glProgramBinary=_emscripten_glProgramBinary;var heapObjectForWebGLType=type=>{type-=5120;if(type==0)return HEAP8;if(type==1)return HEAPU8;if(type==2)return HEAP16;if(type==4)return HEAP32;if(type==6)return HEAPF32;if(type==5||type==28922||type==28520||type==30779||type==30782)return HEAPU32;return HEAPU16};var toTypedArrayIndex=(pointer,heap)=>pointer>>>31-Math.clz32(heap.BYTES_PER_ELEMENT);var _emscripten_glReadPixels=(x,y,width,height,format,type,pixels)=>{if(true){if(GLctx.currentPixelPackBufferBinding){GLctx.readPixels(x,y,width,height,format,type,pixels);return}var heap=heapObjectForWebGLType(type);var target=toTypedArrayIndex(pixels,heap);GLctx.readPixels(x,y,width,height,format,type,heap,target);return}};var _glReadPixels=_emscripten_glReadPixels;var _emscripten_glRenderbufferStorage=(x0,x1,x2,x3)=>GLctx.renderbufferStorage(x0,x1,x2,x3);var _glRenderbufferStorage=_emscripten_glRenderbufferStorage;var _emscripten_glRenderbufferStorageMultisample=(x0,x1,x2,x3,x4)=>GLctx.renderbufferStorageMultisample(x0,x1,x2,x3,x4);var _glRenderbufferStorageMultisample=_emscripten_glRenderbufferStorageMultisample;var _emscripten_glSamplerParameterf=(sampler,pname,param)=>{GLctx.samplerParameterf(GL.samplers[sampler],pname,param)};var _glSamplerParameterf=_emscripten_glSamplerParameterf;var _emscripten_glSamplerParameteri=(sampler,pname,param)=>{GLctx.samplerParameteri(GL.samplers[sampler],pname,param)};var _glSamplerParameteri=_emscripten_glSamplerParameteri;var _emscripten_glScissor=(x0,x1,x2,x3)=>GLctx.scissor(x0,x1,x2,x3);var _glScissor=_emscripten_glScissor;var _emscripten_glShaderSource=(shader,count,string,length)=>{var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)};var _glShaderSource=_emscripten_glShaderSource;var _emscripten_glStencilFuncSeparate=(x0,x1,x2,x3)=>GLctx.stencilFuncSeparate(x0,x1,x2,x3);var _glStencilFuncSeparate=_emscripten_glStencilFuncSeparate;var _emscripten_glStencilMaskSeparate=(x0,x1)=>GLctx.stencilMaskSeparate(x0,x1);var _glStencilMaskSeparate=_emscripten_glStencilMaskSeparate;var _emscripten_glStencilOpSeparate=(x0,x1,x2,x3)=>GLctx.stencilOpSeparate(x0,x1,x2,x3);var _glStencilOpSeparate=_emscripten_glStencilOpSeparate;var computeUnpackAlignedImageSize=(width,height,sizePerPixel)=>{function roundedToNextMultipleOf(x,y){return x+y-1&-y}var plainRowSize=(GL.unpackRowLength||width)*sizePerPixel;var alignedRowSize=roundedToNextMultipleOf(plainRowSize,GL.unpackAlignment);return height*alignedRowSize};var colorChannelsInGlTextureFormat=format=>{var colorChannels={5:3,6:4,8:2,29502:3,29504:4,26917:2,26918:2,29846:3,29847:4};return colorChannels[format-6402]||1};var emscriptenWebGLGetTexPixelData=(type,format,width,height,pixels,internalFormat)=>{var heap=heapObjectForWebGLType(type);var sizePerPixel=colorChannelsInGlTextureFormat(format)*heap.BYTES_PER_ELEMENT;var bytes=computeUnpackAlignedImageSize(width,height,sizePerPixel);return heap.subarray(toTypedArrayIndex(pixels,heap),toTypedArrayIndex(pixels+bytes,heap))};var _emscripten_glTexImage2D=(target,level,internalFormat,width,height,border,format,type,pixels)=>{if(true){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels);return}if(pixels){var heap=heapObjectForWebGLType(type);var index=toTypedArrayIndex(pixels,heap);GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,heap,index);return}}var pixelData=pixels?emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat):null;GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixelData)};var _glTexImage2D=_emscripten_glTexImage2D;var _emscripten_glTexParameterf=(x0,x1,x2)=>GLctx.texParameterf(x0,x1,x2);var _glTexParameterf=_emscripten_glTexParameterf;var _emscripten_glTexParameteri=(x0,x1,x2)=>GLctx.texParameteri(x0,x1,x2);var _glTexParameteri=_emscripten_glTexParameteri;var _emscripten_glTexStorage2D=(x0,x1,x2,x3,x4)=>GLctx.texStorage2D(x0,x1,x2,x3,x4);var _glTexStorage2D=_emscripten_glTexStorage2D;var _emscripten_glTexStorage3D=(x0,x1,x2,x3,x4,x5)=>GLctx.texStorage3D(x0,x1,x2,x3,x4,x5);var _glTexStorage3D=_emscripten_glTexStorage3D;var _emscripten_glTexSubImage2D=(target,level,xoffset,yoffset,width,height,format,type,pixels)=>{if(true){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels);return}if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,heap,toTypedArrayIndex(pixels,heap));return}}var pixelData=pixels?emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,0):null;GLctx.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixelData)};var _glTexSubImage2D=_emscripten_glTexSubImage2D;var _emscripten_glTexSubImage3D=(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels)=>{if(GLctx.currentPixelUnpackBufferBinding){GLctx.texSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,heap,toTypedArrayIndex(pixels,heap))}else{GLctx.texSubImage3D(target,level,xoffset,yoffset,zoffset,width,height,depth,format,type,null)}};var _glTexSubImage3D=_emscripten_glTexSubImage3D;var webglGetUniformLocation=location=>{var p=GLctx.currentProgram;if(p){var webglLoc=p.uniformLocsById[location];if(typeof webglLoc=="number"){p.uniformLocsById[location]=webglLoc=GLctx.getUniformLocation(p,p.uniformArrayNamesById[location]+(webglLoc>0?`[${webglLoc}]`:""))}return webglLoc}else{GL.recordError(1282)}};var _emscripten_glUniform1f=(location,v0)=>{GLctx.uniform1f(webglGetUniformLocation(location),v0)};var _glUniform1f=_emscripten_glUniform1f;var _emscripten_glUniform1fv=(location,count,value)=>{count&&GLctx.uniform1fv(webglGetUniformLocation(location),HEAPF32,value>>2,count)};var _glUniform1fv=_emscripten_glUniform1fv;var _emscripten_glUniform1i=(location,v0)=>{GLctx.uniform1i(webglGetUniformLocation(location),v0)};var _glUniform1i=_emscripten_glUniform1i;var _emscripten_glUniform1iv=(location,count,value)=>{count&&GLctx.uniform1iv(webglGetUniformLocation(location),HEAP32,value>>2,count)};var _glUniform1iv=_emscripten_glUniform1iv;var _emscripten_glUniform1ui=(location,v0)=>{GLctx.uniform1ui(webglGetUniformLocation(location),v0)};var _glUniform1ui=_emscripten_glUniform1ui;var _emscripten_glUniform2fv=(location,count,value)=>{count&&GLctx.uniform2fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*2)};var _glUniform2fv=_emscripten_glUniform2fv;var _emscripten_glUniform2iv=(location,count,value)=>{count&&GLctx.uniform2iv(webglGetUniformLocation(location),HEAP32,value>>2,count*2)};var _glUniform2iv=_emscripten_glUniform2iv;var _emscripten_glUniform3fv=(location,count,value)=>{count&&GLctx.uniform3fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*3)};var _glUniform3fv=_emscripten_glUniform3fv;var _emscripten_glUniform3iv=(location,count,value)=>{count&&GLctx.uniform3iv(webglGetUniformLocation(location),HEAP32,value>>2,count*3)};var _glUniform3iv=_emscripten_glUniform3iv;var _emscripten_glUniform4fv=(location,count,value)=>{count&&GLctx.uniform4fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*4)};var _glUniform4fv=_emscripten_glUniform4fv;var _emscripten_glUniform4iv=(location,count,value)=>{count&&GLctx.uniform4iv(webglGetUniformLocation(location),HEAP32,value>>2,count*4)};var _glUniform4iv=_emscripten_glUniform4iv;var _emscripten_glUniformBlockBinding=(program,uniformBlockIndex,uniformBlockBinding)=>{program=GL.programs[program];GLctx.uniformBlockBinding(program,uniformBlockIndex,uniformBlockBinding)};var _glUniformBlockBinding=_emscripten_glUniformBlockBinding;var _emscripten_glUniformMatrix3fv=(location,count,transpose,value)=>{count&&GLctx.uniformMatrix3fv(webglGetUniformLocation(location),!!transpose,HEAPF32,value>>2,count*9)};var _glUniformMatrix3fv=_emscripten_glUniformMatrix3fv;var _emscripten_glUniformMatrix4fv=(location,count,transpose,value)=>{count&&GLctx.uniformMatrix4fv(webglGetUniformLocation(location),!!transpose,HEAPF32,value>>2,count*16)};var _glUniformMatrix4fv=_emscripten_glUniformMatrix4fv;var _emscripten_glUnmapBuffer=target=>{if(!emscriptenWebGLValidateMapBufferTarget(target)){GL.recordError(1280);err("GL_INVALID_ENUM in glUnmapBuffer");return 0}var buffer=emscriptenWebGLGetBufferBinding(target);var mapping=GL.mappedBuffers[buffer];if(!mapping||!mapping.mem){GL.recordError(1282);err("buffer was never mapped in glUnmapBuffer");return 0}if(!(mapping.access&16)){if(true){GLctx.bufferSubData(target,mapping.offset,HEAPU8,mapping.mem,mapping.length)}else GLctx.bufferSubData(target,mapping.offset,HEAPU8.subarray(mapping.mem,mapping.mem+mapping.length))}_free(mapping.mem);mapping.mem=0;return 1};var _glUnmapBuffer=_emscripten_glUnmapBuffer;var _emscripten_glUseProgram=program=>{program=GL.programs[program];GLctx.useProgram(program);GLctx.currentProgram=program};var _glUseProgram=_emscripten_glUseProgram;var _emscripten_glVertexAttrib4f=(x0,x1,x2,x3,x4)=>GLctx.vertexAttrib4f(x0,x1,x2,x3,x4);var _glVertexAttrib4f=_emscripten_glVertexAttrib4f;var 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cb=GL.currentContext.clientBuffers[index];if(!GLctx.currentArrayBufferBinding){cb.size=size;cb.type=type;cb.normalized=normalized;cb.stride=stride;cb.ptr=ptr;cb.clientside=true;cb.vertexAttribPointerAdaptor=function(index,size,type,normalized,stride,ptr){this.vertexAttribPointer(index,size,type,normalized,stride,ptr)};return}cb.clientside=false;GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)};var _glVertexAttribPointer=_emscripten_glVertexAttribPointer;var _emscripten_glViewport=(x0,x1,x2,x3)=>GLctx.viewport(x0,x1,x2,x3);var _glViewport=_emscripten_glViewport;FS.createPreloadedFile=FS_createPreloadedFile;FS.preloadFile=FS_preloadFile;FS.staticInit();init_ClassHandle();init_RegisteredPointer();registerPreMainLoop(()=>GL.newRenderingFrameStarted());for(let i=0;i<32;++i)tempFixedLengthArray.push(new Array(i));{if(Module["noExitRuntime"])noExitRuntime=Module["noExitRuntime"];if(Module["preloadPlugins"])preloadPlugins=Module["preloadPlugins"];if(Module["print"])out=Module["print"];if(Module["printErr"])err=Module["printErr"];if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].shift()()}}}var ASM_CONSTS={793760:()=>{const options=window.filament_glOptions;const context=window.filament_glContext;const handle=GL.registerContext(context,options);window.filament_contextHandle=handle;GL.makeContextCurrent(handle)},793974:()=>{const handle=window.filament_contextHandle;GL.makeContextCurrent(handle)},794055:($0,$1,$2,$3,$4,$5)=>{const fn=Emval.toValue($0);fn({renderable:Emval.toValue($1),depth:$2,fragCoords:[$3,$4,$5]})}};var ___getTypeName,_malloc,_free,memory,__indirect_function_table,wasmMemory,wasmTable;function assignWasmExports(wasmExports){___getTypeName=wasmExports["tc"];_malloc=Module["_malloc"]=wasmExports["vc"];_free=Module["_free"]=wasmExports["wc"];memory=wasmMemory=wasmExports["rc"];__indirect_function_table=wasmTable=wasmExports["uc"]}var wasmImports={d:___cxa_throw,Ia:___syscall_fcntl64,Eb:___syscall_ioctl,Fb:___syscall_openat,Bb:___syscall_stat64,Ib:__abort_js,y:__embind_finalize_value_array,m:__embind_finalize_value_object,Xa:__embind_register_bigint,gb:__embind_register_bool,e:__embind_register_class,i:__embind_register_class_class_function,o:__embind_register_class_constructor,a:__embind_register_class_function,u:__embind_register_class_property,Sb:__embind_register_emval,g:__embind_register_enum,b:__embind_register_enum_value,Va:__embind_register_float,ea:__embind_register_function,F:__embind_register_integer,ca:__embind_register_iterable,p:__embind_register_memory_view,da:__embind_register_optional,bc:__embind_register_std_string,ra:__embind_register_std_wstring,z:__embind_register_value_array,f:__embind_register_value_array_element,n:__embind_register_value_object,c:__embind_register_value_object_field,kb:__embind_register_void,l:__emval_create_invoker,h:__emval_decref,C:__emval_get_property,q:__emval_incref,k:__emval_invoke,J:__emval_new_cstring,j:__emval_run_destructors,xb:__tzset_js,yb:_clock_time_get,pa:_emscripten_asm_const_int,wb:_emscripten_err,Ab:_emscripten_get_heap_max,vb:_emscripten_out,zb:_emscripten_resize_heap,Gb:_environ_get,Hb:_environ_sizes_get,qa:_fd_close,Db:_fd_read,Cb:_fd_seek,Ha:_fd_write,r:_glActiveTexture,na:_glAttachShader,ic:_glBeginQuery,pb:_glBindAttribLocation,B:_glBindBuffer,ya:_glBindBufferBase,Za:_glBindBufferRange,V:_glBindFramebuffer,Ra:_glBindRenderbuffer,ba:_glBindSampler,w:_glBindTexture,ec:_glBindVertexArray,Ba:_glBlendEquationSeparate,Aa:_glBlendFuncSeparate,fa:_glBlitFramebuffer,R:_glBufferData,ha:_glBufferSubData,Mb:_glClear,Rb:_glClearBufferfi,D:_glClearBufferfv,Qb:_glClearBufferiv,Pb:_glClearColor,Ob:_glClearDepthf,Nb:_glClearStencil,ac:_glClientWaitSync,la:_glColorMask,qb:_glCompileShader,Oa:_glCompressedTexSubImage2D,Na:_glCompressedTexSubImage3D,nc:_glCopyBufferSubData,Ga:_glCreateProgram,sb:_glCreateShader,Ca:_glCullFace,ja:_glDeleteBuffers,S:_glDeleteFramebuffers,oa:_glDeleteProgram,hc:_glDeleteQueries,Pa:_glDeleteRenderbuffers,Ea:_glDeleteSamplers,W:_glDeleteShader,Ua:_glDeleteSync,Qa:_glDeleteTextures,fc:_glDeleteVertexArrays,ma:_glDepthFunc,ka:_glDepthMask,va:_glDepthRangef,X:_glDetachShader,s:_glDisable,Tb:_glDisableVertexAttribArray,mc:_glDrawBuffers,Ja:_glDrawElements,Wa:_glDrawElementsInstanced,x:_glEnable,Ub:_glEnableVertexAttribArray,jc:_glEndQuery,Z:_glFenceSync,Fa:_glFinish,A:_glFlush,E:_glFramebufferRenderbuffer,v:_glFramebufferTexture2D,O:_glFramebufferTextureLayer,Da:_glFrontFace,ga:_glGenBuffers,Y:_glGenFramebuffers,gc:_glGenQueries,Sa:_glGenRenderbuffers,ua:_glGenSamplers,L:_glGenTextures,dc:_glGenVertexArrays,qc:_glGenerateMipmap,Jb:_glGetBufferSubData,Q:_glGetError,cc:_glGetFloatv,t:_glGetIntegerv,tb:_glGetProgramBinary,mb:_glGetProgramInfoLog,I:_glGetProgramiv,kc:_glGetQueryObjectuiv,nb:_glGetShaderInfoLog,H:_glGetShaderiv,N:_glGetString,jb:_glGetUniformBlockIndex,_:_glGetUniformLocation,lb:_glHint,lc:_glInvalidateFramebuffer,ob:_glLinkProgram,Lb:_glMapBufferRange,T:_glPixelStorei,za:_glPolygonOffset,ub:_glProgramBinary,Ka:_glReadPixels,Zb:_glRenderbufferStorage,_b:_glRenderbufferStorageMultisample,ta:_glSamplerParameterf,K:_glSamplerParameteri,xa:_glScissor,rb:_glShaderSource,aa:_glStencilFuncSeparate,G:_glStencilMaskSeparate,$:_glStencilOpSeparate,M:_glTexImage2D,Ya:_glTexParameterf,P:_glTexParameteri,$b:_glTexStorage2D,Ta:_glTexStorage3D,Ma:_glTexSubImage2D,La:_glTexSubImage3D,oc:_glUniform1f,hb:_glUniform1fv,ia:_glUniform1i,cb:_glUniform1iv,pc:_glUniform1ui,fb:_glUniform2fv,bb:_glUniform2iv,eb:_glUniform3fv,ab:_glUniform3iv,db:_glUniform4fv,$a:_glUniform4iv,ib:_glUniformBlockBinding,sa:_glUniformMatrix3fv,_a:_glUniformMatrix4fv,Kb:_glUnmapBuffer,U:_glUseProgram,Vb:_glVertexAttrib4f,Wb:_glVertexAttribI4ui,Yb:_glVertexAttribIPointer,Xb:_glVertexAttribPointer,wa:_glViewport};function run(){if(runDependencies>0){dependenciesFulfilled=run;return}preRun();if(runDependencies>0){dependenciesFulfilled=run;return}function doRun(){Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve?.(Module);Module["onRuntimeInitialized"]?.();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(()=>{setTimeout(()=>Module["setStatus"](""),1);doRun()},1)}else{doRun()}}var wasmExports;wasmExports=await (createWasm());run();if(runtimeInitialized){moduleRtn=Module}else{moduleRtn=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject})}
;return moduleRtn}})();if(typeof exports==="object"&&typeof module==="object"){module.exports=Filament;module.exports.default=Filament}else if(typeof define==="function"&&define["amd"])define([],()=>Filament);
/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

Filament.onReadyListeners = [];

Filament.isReady = false;

/// init ::function:: Downloads assets, loads the Filament module, and invokes a callback when done.
///
/// All JavaScript clients must call the init function, passing in a list of asset URL's and a
/// callback. This callback gets invoked only after all assets have been downloaded and the Filament
/// WebAssembly module has been loaded. Clients should only pass asset URL's that absolutely must
/// be ready at initialization time.
///
/// When the callback is called, each downloaded asset is available in the `Filament.assets` global
/// object, which contains a mapping from URL's to Uint8Array objects.
///
/// assets ::argument:: Array of strings containing URL's of required assets.
/// onready ::argument:: callback that gets invoked after all assets have been downloaded and the \
/// Filament WebAssembly module has been loaded.
Filament.init = (assets, onready) => {
    if (onready) {
        Filament.onReadyListeners.push(onready);
    }
    if (Filament.initialized) {
        console.assert(!assets || assets.length == 0, "Assets can be specified only with the first call to init.");
        return;
    };
    Filament.initialized = true;

    Filament.assets = {};

    // Usage of glmatrix is optional. If it exists, then go ahead and augment it with some
    // useful math functions.
    if (typeof glMatrix !== 'undefined') {
        Filament.loadMathExtensions();
    }

    // One task for compiling & loading the wasm file, plus one task for each asset.
    let remainingTasks = 1 + assets.length;
    const taskFinished = () => {
        if (--remainingTasks == 0) {
            for (const callback of Filament.onReadyListeners) {
                callback();
            }
            Filament.isReady = true;
        }
    };

    // Issue a fetch for each asset.
    Filament.fetch(assets, null, taskFinished);

    // Emscripten creates a global function called "Filament" that returns a promise that
    // resolves to a module. Here we replace the function with the module. Note that our
    // TypeScript bindings assume that Filament is a namespace, not a function.
    Filament().then(module => {

        // Merge our extension functions into the emscripten module, not the other
        // way around, because Emscripten potentially replaces the HEAPU8 views in
        // the original module object (e.g. if it needs to grow the heap).
        Filament = Object.assign(module, Filament);

        // At this point, emscripten has finished compiling and instancing the WebAssembly module.
        // The JS classes that correspond to core Filament classes (e.g., Engine) are not guaranteed
        // to exist until now.

        Filament.loadClassExtensions();
        taskFinished();
    });
};

Filament.clearAssetCache = () => {
    for (const key in Filament.assets) delete Filament.assets[key];
};

/// fetch ::function:: Downloads assets and invokes a callback when done.
///
/// This utility consumes an array of URI strings and invokes callbacks after each asset is
/// downloaded. Additionally, each downloaded asset becomes available in the `Filament.assets`
/// global object, which is a mapping from URI strings to `Uint8Array`. If desired, clients can
/// pre-populate entries in `Filament.assets` to circumvent HTTP requests (this should be done after
/// calling `Filament.init`).
///
/// This function is used internally by `Filament.init` and `gltfio$FilamentAsset.loadResources`.
///
/// assets ::argument:: Array of strings containing URL's of required assets.
/// onDone ::argument:: callback that gets invoked after all assets have been downloaded.
/// onFetched ::argument:: optional callback that's invoked after each asset is downloaded.
Filament.fetch = (assets, onDone, onFetched) => {
    let remainingAssets = assets.length;
    assets.forEach(name => {

        // Check if a buffer already exists in case the client wishes
        // to provide its own data rather than using a HTTP request.
        if (Filament.assets[name]) {
            if (onFetched) {
                onFetched(name);
            }
            if (--remainingAssets === 0 && onDone) {
                onDone();
            }
        } else {
            fetch(name).then(response => {
                if (!response.ok) {
                    throw new Error(name);
                }
                return response.arrayBuffer();
            }).then(arrayBuffer => {
                Filament.assets[name] = new Uint8Array(arrayBuffer);
                if (onFetched) {
                    onFetched(name);
                }
                if (--remainingAssets === 0 && onDone) {
                    onDone();
                }
            });
        }
    });
};

// This file has been generated by beamsplitter

Filament.loadGeneratedExtensions = function() {

    Filament.View.prototype.setDynamicResolutionOptionsDefaults = function(overrides) {
        const options = {
            minScale: [0.5, 0.5],
            maxScale: [1.0, 1.0],
            sharpness: 0.9,
            enabled: false,
            homogeneousScaling: false,
            quality: Filament.View$QualityLevel.LOW,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setBloomOptionsDefaults = function(overrides) {
        const options = {
            // JavaScript binding for dirt is not yet supported, must use default value.
            // JavaScript binding for dirtStrength is not yet supported, must use default value.
            strength: 0.10,
            resolution: 384,
            levels: 6,
            blendMode: Filament.View$BloomOptions$BlendMode.ADD,
            threshold: true,
            enabled: false,
            highlight: 1000.0,
            quality: Filament.View$QualityLevel.LOW,
            lensFlare: false,
            starburst: true,
            chromaticAberration: 0.005,
            ghostCount: 4,
            ghostSpacing: 0.6,
            ghostThreshold: 10.0,
            haloThickness: 0.1,
            haloRadius: 0.4,
            haloThreshold: 10.0,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setFogOptionsDefaults = function(overrides) {
        const options = {
            distance: 0.0,
            cutOffDistance: Infinity,
            maximumOpacity: 1.0,
            height: 0.0,
            heightFalloff: 1.0,
            color: [ 1.0, 1.0, 1.0 ],
            density: 0.1,
            inScatteringStart: 0.0,
            inScatteringSize: -1.0,
            fogColorFromIbl: false,
            // JavaScript binding for skyColor is not yet supported, must use default value.
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setDepthOfFieldOptionsDefaults = function(overrides) {
        const options = {
            cocScale: 1.0,
            cocAspectRatio: 1.0,
            maxApertureDiameter: 0.01,
            enabled: false,
            filter: Filament.View$DepthOfFieldOptions$Filter.MEDIAN,
            nativeResolution: false,
            foregroundRingCount: 0,
            backgroundRingCount: 0,
            fastGatherRingCount: 0,
            maxForegroundCOC: 0,
            maxBackgroundCOC: 0,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setVignetteOptionsDefaults = function(overrides) {
        const options = {
            midPoint: 0.5,
            roundness: 0.5,
            feather: 0.5,
            color: [0.0, 0.0, 0.0, 1.0],
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setRenderQualityDefaults = function(overrides) {
        const options = {
            hdrColorBuffer: Filament.View$QualityLevel.HIGH,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setSsctDefaults = function(overrides) {
        const options = {
            lightConeRad: 1.0,
            shadowDistance: 0.3,
            contactDistanceMax: 1.0,
            intensity: 0.8,
            lightDirection: [ 0, -1, 0 ],
            depthBias: 0.01,
            depthSlopeBias: 0.01,
            sampleCount: 4,
            rayCount: 1,
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setGtaoDefaults = function(overrides) {
        const options = {
            sampleSliceCount: 4,
            sampleStepsPerSlice: 3,
            thicknessHeuristic: 0.004,
            useVisibilityBitmasks: false,
            constThickness: 0.5,
            linearThickness: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setAmbientOcclusionOptionsDefaults = function(overrides) {
        const options = {
            aoType: Filament.View$AmbientOcclusionOptions$AmbientOcclusionType.SAO,
            radius: 0.3,
            power: 1.0,
            bias: 0.0005,
            resolution: 0.5,
            intensity: 1.0,
            bilateralThreshold: 0.05,
            quality: Filament.View$QualityLevel.LOW,
            lowPassFilter: Filament.View$QualityLevel.MEDIUM,
            upsampling: Filament.View$QualityLevel.LOW,
            enabled: false,
            bentNormals: false,
            minHorizonAngleRad: 0.0,
            // JavaScript binding for ssct is not yet supported, must use default value.
            // JavaScript binding for gtao is not yet supported, must use default value.
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setMultiSampleAntiAliasingOptionsDefaults = function(overrides) {
        const options = {
            enabled: false,
            sampleCount: 4,
            customResolve: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setTemporalAntiAliasingOptionsDefaults = function(overrides) {
        const options = {
            filterWidth: 1.0,
            feedback: 0.12,
            lodBias: -1.0,
            sharpness: 0.0,
            enabled: false,
            upscaling: 1.0,
            filterHistory: true,
            filterInput: true,
            useYCoCg: false,
            hdr: true,
            boxType: Filament.View$TemporalAntiAliasingOptions$BoxType.AABB,
            boxClipping: Filament.View$TemporalAntiAliasingOptions$BoxClipping.ACCURATE,
            jitterPattern: Filament.View$TemporalAntiAliasingOptions$JitterPattern.HALTON_23_X16,
            varianceGamma: 1.0,
            preventFlickering: false,
            historyReprojection: true,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setScreenSpaceReflectionsOptionsDefaults = function(overrides) {
        const options = {
            thickness: 0.1,
            bias: 0.01,
            maxDistance: 3.0,
            stride: 2.0,
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setGuardBandOptionsDefaults = function(overrides) {
        const options = {
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setVsmShadowOptionsDefaults = function(overrides) {
        const options = {
            anisotropy: 0,
            mipmapping: false,
            msaaSamples: 1,
            highPrecision: false,
            minVarianceScale: 0.5,
            lightBleedReduction: 0.15,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setSoftShadowOptionsDefaults = function(overrides) {
        const options = {
            penumbraScale: 1.0,
            penumbraRatioScale: 1.0,
        };
        return Object.assign(options, overrides);
    };

    Filament.View.prototype.setStereoscopicOptionsDefaults = function(overrides) {
        const options = {
            enabled: false,
        };
        return Object.assign(options, overrides);
    };

};

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

// Private utility that converts an asset string or Uint8Array into a low-level buffer descriptor.
// Note that the low-level buffer descriptor must be manually deleted.
function getBufferDescriptor(buffer) {
    if ('string' == typeof buffer || buffer instanceof String) {
        buffer = Filament.assets[buffer];
    }
    if (buffer.buffer instanceof ArrayBuffer) {
        buffer = Filament.Buffer(buffer);
    }
    return buffer;
}

function isTexture(uri) {
    // TODO: This is not a great way to determine if a resource is a texture, but we can
    // remove it after gltfio gains support for concurrent downloading of vertex data:
    // https://github.com/google/filament/issues/5909
    if (uri.endsWith(".png")) {
        return true;
    }
    if (uri.endsWith(".ktx2")) {
        return true;
    }
    if (uri.endsWith(".jpg") || uri.endsWith(".jpeg")) {
        return true;
    }
    return false;
}

Filament.vectorToArray = function(vector) {
    const result = [];
    for (let i = 0; i < vector.size(); i++) {
        result.push(vector.get(i));
    }
    return result;
};

Filament.shadowOptions = function(overrides) {
    const options = {
        mapSize: 1024,
        shadowCascades: 1,
        constantBias: 0.001,
        normalBias: 1.0,
        shadowFar: 0.0,
        shadowNearHint: 1.0,
        shadowFarHint: 100.0,
        stable: false,
        polygonOffsetConstant: 0.5,
        polygonOffsetSlope: 2.0,
        screenSpaceContactShadows: false,
        stepCount: 8,
        maxShadowDistance: 0.3
    };
    return Object.assign(options, overrides);
};

Filament.loadClassExtensions = function() {

    Filament.loadGeneratedExtensions();

    /// Engine ::core class::

    /// create ::static method:: Creates an Engine instance for the given canvas.
    /// canvas ::argument:: the canvas DOM element
    /// options ::argument:: optional WebGL 2.0 context configuration
    /// ::retval:: an instance of [Engine]
    Filament.Engine.create = function (canvas, options, config) {
        const defaults = {
            majorVersion: 2,
            minorVersion: 0,
            antialias: false,
            depth: true,
            alpha: false
        };
        options = Object.assign(defaults, options);

        // Create the WebGL 2.0 context.
        const ctx = canvas.getContext("webgl2", options);

        // Enable all desired extensions by calling getExtension on each one.
        ctx.getExtension('WEBGL_compressed_texture_s3tc');
        ctx.getExtension('WEBGL_compressed_texture_s3tc_srgb');
        ctx.getExtension('WEBGL_compressed_texture_astc');
        ctx.getExtension('WEBGL_compressed_texture_etc');

        // These transient globals are used temporarily during Engine construction.
        window.filament_glOptions = options;
        window.filament_glContext = ctx;

        // Register the GL context with emscripten and create the Engine.
        const defaultConfig = Filament.Engine.createDefaultConfig();
        const finalConfig = Object.assign(defaultConfig, config);
        const engine = Filament.Engine._create(finalConfig);

        // Annotate the engine with the GL context to support multiple canvases.
        engine.context = window.filament_glContext;
        engine.handle = window.filament_contextHandle;

        // Ensure that we do not pollute the global namespace.
        delete window.filament_glOptions;
        delete window.filament_glContext;
        delete window.filament_contextHandle;

        return engine;
    };

    Filament.Engine.prototype.execute = function() {
        window.filament_contextHandle = this.handle;
        this._execute();
        delete window.filament_contextHandle;
    };

    /// createMaterial ::method::
    /// package ::argument:: asset string, or Uint8Array, or [Buffer] with filamat contents
    /// options ::argument:: optional dictionary with `uboBatching` key.
    /// ::retval:: an instance of [createMaterial]
    Filament.Engine.prototype.createMaterial = function(buffer, options) {
        buffer = getBufferDescriptor(buffer);
        const uboBatching = (options && options.uboBatching) || Filament.Material$UboBatchingMode.DEFAULT; // The default is DEFAULT
        const result = this._createMaterial(buffer, uboBatching);
        buffer.delete();
        return result;
    };

    /// createTextureFromKtx1 ::method:: Utility function that creates a [Texture] from a KTX1 file.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with KTX1 file contents
    /// options ::argument:: Options dictionary.
    /// ::retval:: [Texture]
    Filament.Engine.prototype.createTextureFromKtx1 = function(buffer, options) {
        buffer = getBufferDescriptor(buffer);
        const result = Filament._createTextureFromKtx1(buffer, this, options);
        buffer.delete();
        return result;
    };

    /// createTextureFromKtx2 ::method:: Utility function that creates a [Texture] from a KTX2 file.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with KTX2 file contents
    /// options ::argument:: Options dictionary.
    /// ::retval:: [Texture]
    Filament.Engine.prototype.createTextureFromKtx2 = function(buffer, options) {
        options = options || {};
        buffer = getBufferDescriptor(buffer);

        const engine = this;
        const quiet = false;
        const reader = new Filament.Ktx2Reader(engine, quiet);

        reader.requestFormat(Filament.Texture$InternalFormat.RGBA8);
        reader.requestFormat(Filament.Texture$InternalFormat.SRGB8_A8);

        const formats = options.formats || [];
        for (const format of formats) {
            reader.requestFormat(format);
        }

        result = reader.load(buffer, options.srgb ? Filament.Ktx2Reader$TransferFunction.sRGB :
            Filament.Ktx2Reader$TransferFunction.LINEAR);

        reader.delete();
        buffer.delete();
        return result;
    };

    /// createIblFromKtx1 ::method:: Utility that creates an [IndirectLight] from a KTX file.
    /// NOTE: To prevent a leak, please be sure to destroy the associated reflections texture.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with KTX file contents
    /// options ::argument:: Options dictionary.
    /// ::retval:: [IndirectLight]
    Filament.Engine.prototype.createIblFromKtx1 = function(buffer, options) {
        buffer = getBufferDescriptor(buffer);
        const result = Filament._createIblFromKtx1(buffer, this, options);
        buffer.delete();
        return result;
    };

    /// createSkyFromKtx1 ::method:: Utility function that creates a [Skybox] from a KTX file.
    /// NOTE: To prevent a leak, please be sure to destroy the associated texture.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with KTX file contents
    /// options ::argument:: Options dictionary.
    /// ::retval:: [Skybox]
    Filament.Engine.prototype.createSkyFromKtx1 = function(buffer, options) {
        const skytex = this.createTextureFromKtx1(buffer, options);
        return Filament.Skybox.Builder().environment(skytex).build(this);
    };

    /// createTextureFromPng ::method:: Creates a 2D [Texture] from the raw contents of a PNG file.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with PNG file contents
    /// options ::argument:: object with optional `srgb`, `noalpha`, and `nomips` keys.
    /// ::retval:: [Texture]
    Filament.Engine.prototype.createTextureFromPng = function(buffer, options) {
        buffer = getBufferDescriptor(buffer);
        const result = Filament._createTextureFromImageFile(buffer, this, options);
        buffer.delete();
        return result;
    };

    /// createTextureFromJpeg ::method:: Creates a 2D [Texture] from the contents of a JPEG file.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with JPEG file contents
    /// options ::argument:: JavaScript object with optional `srgb` and `nomips` keys.
    /// ::retval:: [Texture]
    Filament.Engine.prototype.createTextureFromJpeg = function(buffer, options) {
        buffer = getBufferDescriptor(buffer);
        const result = Filament._createTextureFromImageFile(buffer, this, options);
        buffer.delete();
        return result;
    };

    /// loadFilamesh ::method:: Consumes the contents of a filamesh file and creates a renderable.
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer] with filamesh contents
    /// definstance ::argument:: Optional default [MaterialInstance]
    /// matinstances ::argument:: Optional in-out object that gets populated with a \
    /// name-to-[MaterialInstance] mapping. Clients can also optionally provide individual \
    /// material instances using this argument.
    /// ::retval:: JavaScript object with keys `renderable`, `vertexBuffer`, and `indexBuffer`. \
    /// These are of type [Entity], [VertexBuffer], and [IndexBuffer].
    Filament.Engine.prototype.loadFilamesh = function(buffer, definstance, matinstances) {
        buffer = getBufferDescriptor(buffer);
        const result = Filament._loadFilamesh(this, buffer, definstance, matinstances);
        buffer.delete();
        return result;
    };

    /// createAssetLoader ::method::
    /// ::retval:: an instance of [AssetLoader]
    /// Clients should create only one asset loader for the lifetime of their app, this prevents
    /// memory leaks and duplication of Material objects.
    Filament.Engine.prototype.createAssetLoader = function() {
        const materials = new Filament.gltfio$UbershaderProvider(this);
        return new Filament.gltfio$AssetLoader(this, materials);
    };

    /// addEntities ::method::
    /// entities ::argument:: array of entities
    /// This method is equivalent to calling `addEntity` on each item in the array.
    Filament.Scene.prototype.addEntities = function(entities) {
        const vector = new Filament.EntityVector();
        for (const entity of entities) {
            vector.push_back(entity);
        }
        this._addEntities(vector);
    };

    /// removeEntities ::method::
    /// entities ::argument:: array of entities
    /// This method is equivalent to calling `remove` on each item in the array.
    Filament.Scene.prototype.removeEntities = function(entities) {
        const vector = new Filament.EntityVector();
        for (const entity of entities) {
            vector.push_back(entity);
        }
        this._removeEntities(vector);
    };

    /// setShadowOptions ::method::
    /// instance ::argument:: Instance of a light component obtained from `getInstance`.
    /// overrides ::argument:: Dictionary with one or more of the following properties: \
    /// mapSize, shadowCascades, constantBias, normalBias, shadowFar, shadowNearHint, \
    /// shadowFarHint, stable, polygonOffsetConstant, polygonOffsetSlope, \
    // screenSpaceContactShadows, stepCount, maxShadowDistance.
    Filament.LightManager.prototype.setShadowOptions = function(instance, overrides) {
        this._setShadowOptions(instance, Filament.shadowOptions(overrides));
    };

    /// setClearOptions ::method::
    /// overrides ::argument:: Dictionary with one or more of the following properties: \
    /// clearColor, clear, discard.
    Filament.Renderer.prototype.setClearOptions = function(overrides) {
        const options = {
            clearColor: [0, 0, 0, 0],
            clear: false,
            discard: true
        };
        Object.assign(options, overrides);
        this._setClearOptions(options);
    };

    /// setAmbientOcclusionOptions ::method::
    Filament.View.prototype.setAmbientOcclusionOptions = function(overrides) {
        const options = this.setAmbientOcclusionOptionsDefaults(overrides);
        this._setAmbientOcclusionOptions(options);
    };

    /// setDepthOfFieldOptions ::method::
    Filament.View.prototype.setDepthOfFieldOptions = function(overrides) {
        const options = this.setDepthOfFieldOptionsDefaults(overrides);
        this._setDepthOfFieldOptions(options);
    };

    /// setMultiSampleAntiAliasingOptions ::method::
    Filament.View.prototype.setMultiSampleAntiAliasingOptions = function(overrides) {
        const options = this.setMultiSampleAntiAliasingOptionsDefaults(overrides);
        this._setMultiSampleAntiAliasingOptions(options);
    };

    /// setTemporalAntiAliasingOptions ::method::
    Filament.View.prototype.setTemporalAntiAliasingOptions = function(overrides) {
        const options = this.setTemporalAntiAliasingOptionsDefaults(overrides);
        this._setTemporalAntiAliasingOptions(options);
    };

    /// setScreenSpaceReflectionsOptions ::method::
    Filament.View.prototype.setScreenSpaceReflectionsOptions = function(overrides) {
        const options = this.setScreenSpaceReflectionsOptionsDefaults(overrides);
        this._setScreenSpaceReflectionsOptions(options);
    };

    /// setBloomOptions ::method::
    Filament.View.prototype.setBloomOptions = function(overrides) {
        const options = this.setBloomOptionsDefaults(overrides);
        this._setBloomOptions(options);
    };

    /// setFogOptions ::method::
    Filament.View.prototype.setFogOptions = function(overrides) {
        const options = this.setFogOptionsDefaults(overrides);
        this._setFogOptions(options);
    };

    /// setVignetteOptions ::method::
    Filament.View.prototype.setVignetteOptions = function(overrides) {
        const options = this.setVignetteOptionsDefaults(overrides);
        this._setVignetteOptions(options);
    };

    /// setGuardBandOptions ::method::
    Filament.View.prototype.setGuardBandOptions = function(overrides) {
        const options = this.setGuardBandOptionsDefaults(overrides);
        this._setGuardBandOptions(options);
    };

    /// setStereoscopicOptions ::method::
    Filament.View.prototype.setStereoscopicOptions = function(overrides) {
        const options = this.setStereoscopicOptionsDefaults(overrides);
        this._setStereoscopicOptions(options);
    }

    /// BufferObject ::core class::

    /// setBuffer ::method::
    /// engine ::argument:: [Engine]
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer]
    /// byteOffset ::argument:: non-negative integer
    Filament.BufferObject.prototype.setBuffer = function(engine, buffer, byteOffset = 0) {
        buffer = getBufferDescriptor(buffer);
        this._setBuffer(engine, buffer, byteOffset);
        buffer.delete();
    };

    /// VertexBuffer ::core class::

    /// setBufferAt ::method::
    /// engine ::argument:: [Engine]
    /// bufferIndex ::argument:: non-negative integer
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer]
    /// byteOffset ::argument:: non-negative integer
    Filament.VertexBuffer.prototype.setBufferAt = function(engine, bufferIndex, buffer, byteOffset = 0) {
        buffer = getBufferDescriptor(buffer);
        this._setBufferAt(engine, bufferIndex, buffer, byteOffset);
        buffer.delete();
    };

    /// IndexBuffer ::core class::

    /// setBuffer ::method::
    /// engine ::argument:: [Engine]
    /// buffer ::argument:: asset string, or Uint8Array, or [Buffer]
    /// byteOffset ::argument:: non-negative integer
    Filament.IndexBuffer.prototype.setBuffer = function(engine, buffer, byteOffset = 0) {
        buffer = getBufferDescriptor(buffer);
        this._setBuffer(engine, buffer, byteOffset);
        buffer.delete();
    };

    Filament.LightManager$Builder.prototype.shadowOptions = function(overrides) {
        return this._shadowOptions(Filament.shadowOptions(overrides));
    };

    Filament.RenderableManager$Builder.prototype.build =
    Filament.LightManager$Builder.prototype.build =
        function(engine, entity) {
            const result = this._build(engine, entity);
            this.delete();
            return result;
        };

    Filament.ColorGrading$Builder.prototype.build =
    Filament.RenderTarget$Builder.prototype.build =
    Filament.VertexBuffer$Builder.prototype.build =
    Filament.IndexBuffer$Builder.prototype.build =
    Filament.Texture$Builder.prototype.build =
    Filament.IndirectLight$Builder.prototype.build =
    Filament.Skybox$Builder.prototype.build =
        function(engine) {
            const result = this._build(engine);
            this.delete();
            return result;
        };

    Filament.Ktx1Bundle.prototype.getBlob = function(index) {
        const blob = this._getBlob(index);
        const result = blob.getBytes();
        blob.delete();
        return result;
    }

    Filament.Ktx1Bundle.prototype.getCubeBlob = function(miplevel) {
        const blob = this._getCubeBlob(miplevel);
        const result = blob.getBytes();
        blob.delete();
        return result;
    }

    Filament.Texture.prototype.setImage = function(engine, level, pbd) {
        this._setImage(engine, level, pbd);
        pbd.delete();
    }

    Filament.Texture.prototype.setImageCube = function(engine, level, pbd) {
        this._setImageCube(engine, level, pbd);
        pbd.delete();
    }

    Filament.Texture.prototype.getWidth = function(engine, level = 0) {
        return this._getWidth(engine, level);
    }

    Filament.Texture.prototype.getHeight = function(engine, level = 0) {
        return this._getHeight(engine, level);
    }

    Filament.Texture.prototype.getDepth = function(engine, level = 0) {
        return this._getDepth(engine, level);
    }

    Filament.Texture.prototype.getLevels = function(engine) {
        return this._getLevels(engine);
    }

    Filament.SurfaceOrientation$Builder.prototype.normals = function(buffer, stride = 0) {
        buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
        this.norPointer = Filament._malloc(buffer.byteLength);
        Filament.HEAPU8.set(buffer, this.norPointer);
        this._normals(this.norPointer, stride);
    };

    Filament.SurfaceOrientation$Builder.prototype.uvs = function(buffer, stride = 0) {
        buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
        this.uvsPointer = Filament._malloc(buffer.byteLength);
        Filament.HEAPU8.set(buffer, this.uvsPointer);
        this._uvs(this.uvsPointer, stride);
    };

    Filament.SurfaceOrientation$Builder.prototype.positions = function(buffer, stride = 0) {
        buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
        this.posPointer = Filament._malloc(buffer.byteLength);
        Filament.HEAPU8.set(buffer, this.posPointer);
        this._positions(this.posPointer, stride);
    };

    Filament.SurfaceOrientation$Builder.prototype.triangles16 = function(buffer) {
        buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
        this.t16Pointer = Filament._malloc(buffer.byteLength);
        Filament.HEAPU8.set(buffer, this.t16Pointer);
        this._triangles16(this.t16Pointer);
    };

    Filament.SurfaceOrientation$Builder.prototype.triangles32 = function(buffer) {
        buffer = new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
        this.t32Pointer = Filament._malloc(buffer.byteLength);
        Filament.HEAPU8.set(buffer, this.t32Pointer);
        this._triangles32(this.t32Pointer);
    };

    Filament.SurfaceOrientation$Builder.prototype.build = function() {
        const result = this._build();
        this.delete();
        if ('norPointer' in this) Filament._free(this.norPointer);
        if ('uvsPointer' in this) Filament._free(this.uvsPointer);
        if ('posPointer' in this) Filament._free(this.posPointer);
        if ('t16Pointer' in this) Filament._free(this.t16Pointer);
        if ('t32Pointer' in this) Filament._free(this.t32Pointer);
        return result;
    };

    Filament.SurfaceOrientation.prototype.getQuats = function(nverts) {
        const attribType = Filament.VertexBuffer$AttributeType.SHORT4;
        const quatsBufferSize = 8 * nverts;
        const quatsBuffer = Filament._malloc(quatsBufferSize);
        this._getQuats(quatsBuffer, nverts, attribType);
        const arrayBuffer = Filament.HEAPU8.subarray(quatsBuffer, quatsBuffer + quatsBufferSize).slice().buffer;
        Filament._free(quatsBuffer);
        return new Int16Array(arrayBuffer);
    };

    Filament.SurfaceOrientation.prototype.getQuatsHalf4 = function (nverts) {
        const attribType = Filament.VertexBuffer$AttributeType.HALF4;
        const quatsBufferSize = 8 * nverts;
        const quatsBuffer = Filament._malloc(quatsBufferSize);
        this._getQuats(quatsBuffer, nverts, attribType);
        const arrayBuffer = Filament.HEAPU8.subarray(quatsBuffer, quatsBuffer + quatsBufferSize).slice().buffer;
        Filament._free(quatsBuffer);
        return new Uint16Array(arrayBuffer);
    };

    Filament.SurfaceOrientation.prototype.getQuatsFloat4 = function (nverts) {
        const attribType = Filament.VertexBuffer$AttributeType.FLOAT4;
        const quatsBufferSize = 16 * nverts;
        const quatsBuffer = Filament._malloc(quatsBufferSize);
        this._getQuats(quatsBuffer, nverts, attribType);
        const arrayBuffer = Filament.HEAPU8.subarray(quatsBuffer, quatsBuffer + quatsBufferSize).slice().buffer;
        Filament._free(quatsBuffer);
        return new Float32Array(arrayBuffer);
    };

    Filament.gltfio$AssetLoader.prototype.createAsset = function(buffer) {
        buffer = getBufferDescriptor(buffer);
        const result = this._createAsset(buffer);
        buffer.delete();
        return result;
    };

    Filament.gltfio$AssetLoader.prototype.createInstancedAsset = function(buffer, instances) {
        buffer = getBufferDescriptor(buffer);
        const asset = this._createInstancedAsset(buffer, instances.length);
        buffer.delete();
        const instancesVector = asset._getAssetInstances();
        for (let i = 0; i < instancesVector.size(); i++) {
            instances[i] = instancesVector.get(i);
        }
        return asset;
    };

    // See the C++ documentation for ResourceLoader and AssetLoader. The JavaScript API differs in
    // that it takes two optional callbacks:
    //
    // - onDone is called after all resources have been downloaded and decoded.
    // - onFetched is called after each resource has finished downloading.
    //
    // Takes an optional base path for resolving the URI strings in the glTF file, which is
    // typically the path to the parent glTF file. The given base path cannot itself be a relative
    // URL, but clients can do the following to resolve a relative URL:
    //    const basePath = '' + new URL(myRelativeUrl, document.location);
    // If the given base path is null, document.location is used as the base.
    //
    // The optional asyncInterval argument allows clients to control how decoding is amortized
    // over time. It represents the number of milliseconds between each texture decoding task.
    //
    // The optional config argument is an object with boolean field `normalizeSkinningWeights`.
    Filament.gltfio$FilamentAsset.prototype.loadResources = function(onDone, onFetched, basePath,
            asyncInterval, config) {
        const asset = this;
        const engine = this.getEngine();
        const interval = asyncInterval || 30;
        const defaults = {
            normalizeSkinningWeights: true,
        };
        config = Object.assign(defaults, config || {});

        basePath = basePath || document.location;
        onFetched = onFetched || ((name) => {});
        onDone = onDone || (() => {});

        // Construct two lists of URI strings to fetch: textures and non-textures.
        let textureUris = new Set();
        let bufferUris = new Set();
        const absoluteToRelativeUri = {};
        for (const relativeUri of this.getResourceUris()) {
            const absoluteUri = '' + new URL(relativeUri, basePath);
            absoluteToRelativeUri[absoluteUri] = relativeUri;
            if (isTexture(relativeUri)) {
                textureUris.add(absoluteUri);
                continue;
            }
            bufferUris.add(absoluteUri);
        }
        textureUris = Array.from(textureUris);
        bufferUris = Array.from(bufferUris);

        // Construct a resource loader and start decoding after all textures are fetched.
        const resourceLoader = new Filament.gltfio$ResourceLoader(engine,
                config.normalizeSkinningWeights);

        const stbProvider = new Filament.gltfio$StbProvider(engine);
        const ktx2Provider = new Filament.gltfio$Ktx2Provider(engine);

        resourceLoader.addStbProvider("image/jpeg", stbProvider);
        resourceLoader.addStbProvider("image/png", stbProvider);
        resourceLoader.addKtx2Provider("image/ktx2", ktx2Provider);

        const onComplete = () => {
            resourceLoader.asyncBeginLoad(asset);

            // NOTE: This decodes in the wasm layer instead of using Canvas2D, which allows Filament
            // to have more control (handling of alpha, srgb, etc) and improves parity with native
            // platforms. In the future we may wish to offload this to web workers.

            // Decode a single PNG or JPG every 30 milliseconds, or at the specified interval.
            const timer = setInterval(() => {
                resourceLoader.asyncUpdateLoad();
                const progress = resourceLoader.asyncGetLoadProgress();
                if (progress >= 1) {
                    clearInterval(timer);
                    resourceLoader.delete();
                    stbProvider.delete();
                    onDone();
                }
            }, interval);
        };

        // Download all non-texture resources and invoke the callback when done.
        if (bufferUris.length == 0) {
            onComplete();
        } else {
            Filament.fetch(bufferUris, onComplete, function(absoluteUri) {
                const buffer = getBufferDescriptor(absoluteUri);
                const relativeUri = absoluteToRelativeUri[absoluteUri];
                resourceLoader.addResourceData(relativeUri, buffer);
                buffer.delete();
                onFetched(relativeUri);
            });
        }

        // Begin downloading all texture resources, no completion callback necessary.
        Filament.fetch(textureUris, null, function(absoluteUri) {
            const buffer = getBufferDescriptor(absoluteUri);
            const relativeUri = absoluteToRelativeUri[absoluteUri];
            resourceLoader.addResourceData(relativeUri, buffer);
            buffer.delete();
            onFetched(relativeUri);
        });
    };

    Filament.gltfio$FilamentAsset.prototype.getEntities = function() {
        return Filament.vectorToArray(this._getEntities());
    };

    Filament.gltfio$FilamentAsset.prototype.getEntitiesByName = function(name) {
        return Filament.vectorToArray(this._getEntitiesByName(name));
    };

    Filament.gltfio$FilamentAsset.prototype.getEntitiesByPrefix = function(prefix) {
        return Filament.vectorToArray(this._getEntitiesByPrefix(prefix));
    };

    Filament.gltfio$FilamentAsset.prototype.getLightEntities = function() {
        return Filament.vectorToArray(this._getLightEntities());
    };

    Filament.gltfio$FilamentAsset.prototype.getRenderableEntities = function() {
        return Filament.vectorToArray(this._getRenderableEntities());
    };

    Filament.gltfio$FilamentAsset.prototype.getCameraEntities = function() {
        return Filament.vectorToArray(this._getCameraEntities());
    };

    Filament.gltfio$FilamentAsset.prototype.getResourceUris = function() {
        return Filament.vectorToArray(this._getResourceUris());
    }

    Filament.gltfio$FilamentAsset.prototype.getAssetInstances = function() {
        return Filament.vectorToArray(this._getAssetInstances());
    }

    Filament.gltfio$FilamentInstance.prototype.getMaterialVariantNames = function() {
        return Filament.vectorToArray(this._getMaterialVariantNames());
    }
};

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// ---------------
// Buffer Wrappers
// ---------------

// These wrappers make it easy for JavaScript clients to pass large swaths of data to Filament. They
// copy the contents of the given typed array into the WASM heap, then return a low-level buffer
// descriptor object. If the given array was taken from the WASM heap, then they create a temporary
// copy because the input pointer becomes invalidated after allocating heap memory for the buffer
// descriptor.

/// Buffer ::function:: Constructs a [BufferDescriptor] by copying a typed array into the WASM heap.
/// typedarray ::argument:: Data to consume (e.g. Uint8Array, Uint16Array, Float32Array)
/// ::retval:: [BufferDescriptor]
Filament.Buffer = function(typedarray) {
    console.assert(typedarray.buffer instanceof ArrayBuffer);
    console.assert(typedarray.byteLength > 0);

    // The only reason we need to create a copy here is that emscripten might "grow" its entire heap
    // (i.e. destroy and recreate) during the allocation of the BufferDescriptor, which would cause
    // detachment if the source array happens to be view into the old emscripten heap.
    const ta = typedarray.slice();

    const bd = new Filament.driver$BufferDescriptor(ta.byteLength);
    const uint8array = new Uint8Array(ta.buffer, ta.byteOffset, ta.byteLength);

    // getBytes() returns a view into the emscripten heap, this just does a memcpy into it.
    bd.getBytes().set(uint8array);

    return bd;
};

/// PixelBuffer ::function:: Constructs a [PixelBufferDescriptor] by copying a typed array into \
/// the WASM heap.
/// typedarray ::argument:: Data to consume (e.g. Uint8Array, Uint16Array, Float32Array)
/// format ::argument:: [PixelDataFormat]
/// datatype ::argument:: [PixelDataType]
/// ::retval:: [PixelBufferDescriptor]
Filament.PixelBuffer = function(typedarray, format, datatype) {
    console.assert(typedarray.buffer instanceof ArrayBuffer);
    console.assert(typedarray.byteLength > 0);
    const ta = typedarray.slice();
    const bd = new Filament.driver$PixelBufferDescriptor(ta.byteLength, format, datatype);
    const uint8array = new Uint8Array(ta.buffer, ta.byteOffset, ta.byteLength);
    bd.getBytes().set(uint8array);
    return bd;
};

/// CompressedPixelBuffer ::function:: Constructs a [PixelBufferDescriptor] for compressed texture
/// data by copying a typed array into the WASM heap.
/// typedarray ::argument:: Data to consume (e.g. Uint8Array, Uint16Array, Float32Array)
/// cdatatype ::argument:: [CompressedPixelDataType]
/// faceSize ::argument:: Number of bytes in each face (cubemaps only)
/// ::retval:: [PixelBufferDescriptor]
Filament.CompressedPixelBuffer = function(typedarray, cdatatype, faceSize) {
    console.assert(typedarray.buffer instanceof ArrayBuffer);
    console.assert(typedarray.byteLength > 0);
    faceSize = faceSize || typedarray.byteLength;
    const ta = typedarray.slice();
    const bd = new Filament.driver$PixelBufferDescriptor(ta.byteLength, cdatatype, faceSize, true);
    const uint8array = new Uint8Array(ta.buffer, ta.byteOffset, ta.byteLength);
    bd.getBytes().set(uint8array);
    return bd;
};

Filament._loadFilamesh = function(engine, buffer, definstance, matinstances) {
    matinstances = matinstances || {};
    const registry = new Filament.MeshReader$MaterialRegistry();
    for (let key in matinstances) {
        registry.set(key, matinstances[key]);
    }
    if (definstance) {
        registry.set("DefaultMaterial", definstance);
    }
    const mesh = Filament.MeshReader.loadMeshFromBuffer(engine, buffer, registry);
    const keys = registry.keys();
    for (let i = 0; i < keys.size(); i++) {
        const key = keys.get(i);
        const minstance = registry.get(key);
        matinstances[key] = minstance;
    }
    return {
        "renderable": mesh.renderable(),
        "vertexBuffer": mesh.vertexBuffer(),
        "indexBuffer": mesh.indexBuffer(),
    }
}

// ------------------
// Geometry Utilities
// ------------------

/// IcoSphere ::class:: Utility class for constructing spheres (requires glMatrix).
///
/// The constructor takes an integer subdivision level, with 0 being an icosahedron.
///
/// Exposes three arrays as properties:
///
/// - `icosphere.vertices` Float32Array of XYZ coordinates.
/// - `icosphere.tangents` Uint16Array (interpreted as half-floats) encoding the surface orientation
/// as quaternions.
/// - `icosphere.triangles` Uint16Array with triangle indices.
///
Filament.IcoSphere = function(nsubdivs) {
    const X = .525731112119133606;
    const Z = .850650808352039932;
    const N = 0.;
    this.vertices = new Float32Array([
        -X, +N, +Z, +X, +N, +Z, -X, +N, -Z, +X, +N, -Z ,
        +N, +Z, +X, +N, +Z, -X, +N, -Z, +X, +N, -Z, -X ,
        +Z, +X, +N, -Z, +X, +N, +Z, -X, +N, -Z, -X, +N ,
    ]);
    this.triangles = new Uint16Array([
        1,   4, 0,  4,  9,  0, 4,   5, 9, 8, 5,   4 ,  1,  8,  4 ,
        1,  10, 8, 10,  3,  8, 8,   3, 5, 3, 2,   5 ,  3,  7,  2 ,
        3,  10, 7, 10,  6,  7, 6,  11, 7, 6, 0,  11 ,  6,  1,  0 ,
        10,   1, 6, 11,  0,  9, 2,  11, 9, 5, 2,   9 , 11,  2,  7 ,
    ]);

    nsubdivs = nsubdivs || 0;
    while (nsubdivs-- > 0) {
        this.subdivide();
    }

    const nverts = this.vertices.length / 3;

    // This is a unit sphere, so normals = positions.
    const normals = this.vertices;

    // Perform computations.
    const sob = new Filament.SurfaceOrientation$Builder();
    sob.vertexCount(nverts);
    sob.normals(normals, 0)
    const orientation = sob.build();

    // Copy the results out of the helper.
    this.tangents = orientation.getQuats(nverts);

    // Free up the surface orientation helper now that we're done with it.
    orientation.delete();
}

Filament.IcoSphere.prototype.subdivide = function() {
    const srctris = this.triangles;
    const srcverts = this.vertices;
    const nsrctris = srctris.length / 3;
    const ndsttris = nsrctris * 4;
    const nsrcverts = srcverts.length / 3;
    const ndstverts = nsrcverts + nsrctris * 3;
    const dsttris = new Uint16Array(ndsttris * 3);
    const dstverts = new Float32Array(ndstverts * 3);
    dstverts.set(srcverts);
    let srcind = 0, dstind = 0, i3 = nsrcverts * 3, i4 = i3 + 3, i5 = i4 + 3;
    for (let tri = 0; tri < nsrctris; tri++, i3 += 9, i4 += 9, i5 += 9) {
        const i0 = srctris[srcind++] * 3;
        const i1 = srctris[srcind++] * 3;
        const i2 = srctris[srcind++] * 3;
        const v0 = srcverts.subarray(i0, i0 + 3);
        const v1 = srcverts.subarray(i1, i1 + 3);
        const v2 = srcverts.subarray(i2, i2 + 3);
        const v3 = dstverts.subarray(i3, i3 + 3);
        const v4 = dstverts.subarray(i4, i4 + 3);
        const v5 = dstverts.subarray(i5, i5 + 3);
        vec3.normalize(v3, vec3.add(v3, v0, v1));
        vec3.normalize(v4, vec3.add(v4, v1, v2));
        vec3.normalize(v5, vec3.add(v5, v2, v0));
        dsttris[dstind++] = i0 / 3;
        dsttris[dstind++] = i3 / 3;
        dsttris[dstind++] = i5 / 3;
        dsttris[dstind++] = i3 / 3;
        dsttris[dstind++] = i1 / 3;
        dsttris[dstind++] = i4 / 3;
        dsttris[dstind++] = i5 / 3;
        dsttris[dstind++] = i3 / 3;
        dsttris[dstind++] = i4 / 3;
        dsttris[dstind++] = i2 / 3;
        dsttris[dstind++] = i5 / 3;
        dsttris[dstind++] = i4 / 3;
    }
    this.triangles = dsttris;
    this.vertices = dstverts;
}

// ---------------
// Math Extensions
// ---------------

function clamp(v, least, most) {
    return Math.max(Math.min(most, v), least);
}

/// packSnorm16 ::function:: Converts a float in [-1, +1] into a half-float.
/// value ::argument:: float
/// ::retval:: half-float
Filament.packSnorm16 = function(value) {
    return Math.round(clamp(value, -1.0, 1.0) * 32767.0);
}

/// loadMathExtensions ::function:: Extends the [glMatrix](http://glmatrix.net/) math library.
/// Filament does not require its clients to use glMatrix, but if its usage is detected then
/// the [init] function will automatically call `loadMathExtensions`.
/// This defines the following functions:
/// - **vec4.packSnorm16** can be used to create half-floats (see [packSnorm16])
/// - **mat3.fromRotation** now takes an arbitrary axis
Filament.loadMathExtensions = function() {
    vec4.packSnorm16 = function(out, src) {
        out[0] = Filament.packSnorm16(src[0]);
        out[1] = Filament.packSnorm16(src[1]);
        out[2] = Filament.packSnorm16(src[2]);
        out[3] = Filament.packSnorm16(src[3]);
        return out;
    }
    // In gl-matrix, mat3 rotation assumes rotation about the Z axis, so here we add a function
    // to allow an arbitrary axis.
    const fromRotationZ = mat3.fromRotation;
    mat3.fromRotation = function(out, radians, axis) {
        if (axis) {
            return mat3.fromMat4(out, mat4.fromRotation(mat4.create(), radians, axis));
        }
        return fromRotationZ(out, radians);
    };
};

// ---------------
// Texture helpers
// ---------------

Filament._createTextureFromKtx1 = function(ktxdata, engine, options) {
    options = options || {};
    const ktx = options['ktx'] || new Filament.Ktx1Bundle(ktxdata);
    const srgb = !!options['srgb'];
    return Filament.ktx1reader$createTexture(engine, ktx, srgb);
};

Filament._createIblFromKtx1 = function(ktxdata, engine, options) {
    options = options || {};
    const iblktx = options['ktx'] = new Filament.Ktx1Bundle(ktxdata);

    const format = iblktx.info().glInternalFormat;
    //if (format != this.ctx.R11F_G11F_B10F && format != this.ctx.RGB16F && format != this.ctx.RGB32F) {
    if (format != 35898 && format != 33327 && format != 34837) {
        console.warn('IBL texture format is 0x' + format.toString(16) +
            ' which is not an expected floating-point format. Please use cmgen to generate IBL.');
    }

    const ibltex = Filament._createTextureFromKtx1(ktxdata, engine, options);
    const shstring = iblktx.getMetadata("sh");
    const ibl = Filament.IndirectLight.Builder()
        .reflections(ibltex)
        .build(engine);
    ibl.shfloats = shstring.split(/\s/, 9 * 3).map(parseFloat);
    return ibl;
};

Filament._createTextureFromImageFile = function(fileContents, engine, options) {
    const Sampler = Filament.Texture$Sampler;
    const TextureFormat = Filament.Texture$InternalFormat;
    const PixelDataFormat = Filament.PixelDataFormat;

    options = options || {};
    const srgb = !!options['srgb'];
    const noalpha = !!options['noalpha'];
    const nomips = !!options['nomips'];

    const decodedImage = Filament.decodeImage(fileContents, noalpha ? 3 : 4);

    let texformat, pbformat, pbtype;
    if (noalpha) {
        texformat = srgb ? TextureFormat.SRGB8 : TextureFormat.RGB8;
        pbformat = PixelDataFormat.RGB;
        pbtype = Filament.PixelDataType.UBYTE;
    } else {
        texformat = srgb ? TextureFormat.SRGB8_A8 : TextureFormat.RGBA8;
        pbformat = PixelDataFormat.RGBA;
        pbtype = Filament.PixelDataType.UBYTE;
    }

    let tex = Filament.Texture.Builder()
        .width(decodedImage.width)
        .height(decodedImage.height)
        .levels(nomips ? 1 : 0xff)
        .sampler(Sampler.SAMPLER_2D)
        .format(texformat);

    if (options['usage'] !== undefined) {
        tex.usage(options['usage']);
    }

    tex = tex.build(engine);

    const pixelbuffer = Filament.PixelBuffer(decodedImage.data.getBytes(), pbformat, pbtype);
    tex.setImage(engine, 0, pixelbuffer);
    if (!nomips) {
        tex.generateMipmaps(engine);
    }
    return tex;
};

/// getSupportedFormats ::function:: Queries WebGL to check which compressed formats are supported.
/// ::retval:: object with boolean values and the following keys: s3tc, astc, etc
Filament.getSupportedFormats = function() {
    if (Filament.supportedFormats) {
        return Filament.supportedFormats;
    }
    const options = { majorVersion: 2, minorVersion: 0 };
    let ctx = document.createElement('canvas').getContext('webgl2', options);
    const result = {
        s3tc: false,
        s3tc_srgb: false,
        astc: false,
        etc: false,
    }
    let exts = ctx.getSupportedExtensions(), nexts = exts.length, i;
    for (i = 0; i < nexts; i++) {
        let ext = exts[i];
        if (ext == "WEBGL_compressed_texture_s3tc") {
            result.s3tc = true;
        } else if (ext == "WEBGL_compressed_texture_s3tc_srgb") {
            result.s3tc_srgb = true;
        } else if (ext == "WEBGL_compressed_texture_astc") {
            result.astc = true;
        } else if (ext == "WEBGL_compressed_texture_etc") {
            result.etc = true;
        }
    }
    return Filament.supportedFormats = result;
}

/// getSupportedFormatSuffix ::function:: Generate a file suffix according to the texture format.
/// Consumes a string describing desired formats and produces a file suffix depending on
/// which (if any) of the formats are actually supported by the WebGL implementation. This is
/// useful for compressed textures. For example, some platforms accept ETC and others accept S3TC.
/// desiredFormats ::argument:: space-delimited string of desired formats
/// ::retval:: empty string if there is no intersection of supported and desired formats.
Filament.getSupportedFormatSuffix = function(desiredFormats) {
    desiredFormats = desiredFormats.split(' ');
    let exts = Filament.getSupportedFormats();
    for (let key in exts) {
        if (exts[key] && desiredFormats.includes(key)) {
            return '_' + key;
        }
    }
    return '';
}