Cubetopia_1.04.js

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CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity<CAPACITY_DOUBLING_MAX?2:1.125)>>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup(parent,name){throw FS.genericErrors[44]},mknod(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp},unlink(parent,name){delete parent.contents[name];parent.timestamp=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.timestamp=Date.now()},readdir(node){var entries=[".",".."];for(var key of Object.keys(node.contents)){entries.push(key)}return entries},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);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i<size;i++)buffer[offset+i]=contents[position+i]}return size},write(stream,buffer,offset,length,position,canOwn){if(buffer.buffer===HEAP8.buffer){canOwn=false}if(!length)return 0;var node=stream.node;node.timestamp=Date.now();if(buffer.subarray&&(!node.contents||node.contents.subarray)){if(canOwn){node.contents=buffer.subarray(offset,offset+length);node.usedBytes=length;return length}else if(node.usedBytes===0&&position===0){node.contents=buffer.slice(offset,offset+length);node.usedBytes=length;return length}else if(position+length<=node.usedBytes){node.contents.set(buffer.subarray(offset,offset+length),position);return length}}MEMFS.expandFileStorage(node,position+length);if(node.contents.subarray&&buffer.subarray){node.contents.set(buffer.subarray(offset,offset+length),position)}else{for(var i=0;i<length;i++){node.contents[position+i]=buffer[offset+i]}}node.usedBytes=Math.max(node.usedBytes,position+length);return length},llseek(stream,offset,whence){var position=offset;if(whence===1){position+=stream.position}else if(whence===2){if(FS.isFile(stream.node.mode)){position+=stream.node.usedBytes}}if(position<0){throw new FS.ErrnoError(28)}return position},allocate(stream,offset,length){MEMFS.expandFileStorage(stream.node,offset+length);stream.node.usedBytes=Math.max(stream.node.usedBytes,offset+length)},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{if(position>0||position+length<contents.length){if(contents.subarray){contents=contents.subarray(position,position+length)}else{contents=Array.prototype.slice.call(contents,position,position+length)}}allocated=true;ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}HEAP8.set(contents,ptr)}return{ptr:ptr,allocated:allocated}},msync(stream,buffer,offset,length,mmapFlags){MEMFS.stream_ops.write(stream,buffer,0,length,offset,false);return 0}}};var asyncLoad=(url,onload,onerror,noRunDep)=>{var dep=!noRunDep?getUniqueRunDependency(`al ${url}`):"";readAsync(url).then(arrayBuffer=>{onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},err=>{if(onerror){onerror()}else{throw`Loading data file "${url}" failed.`}});if(dep)addRunDependency(dep)};var FS_createDataFile=(parent,name,fileData,canRead,canWrite,canOwn)=>{FS.createDataFile(parent,name,fileData,canRead,canWrite,canOwn)};var preloadPlugins=Module["preloadPlugins"]||[];var FS_handledByPreloadPlugin=(byteArray,fullname,finish,onerror)=>{if(typeof Browser!="undefined")Browser.init();var handled=false;preloadPlugins.forEach(plugin=>{if(handled)return;if(plugin["canHandle"](fullname)){plugin["handle"](byteArray,fullname,finish,onerror);handled=true}});return handled};var FS_createPreloadedFile=(parent,name,url,canRead,canWrite,onload,onerror,dontCreateFile,canOwn,preFinish)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency(`cp ${fullname}`);function processData(byteArray){function finish(byteArray){preFinish?.();if(!dontCreateFile){FS_createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}onload?.();removeRunDependency(dep)}if(FS_handledByPreloadPlugin(byteArray,fullname,finish,()=>{onerror?.();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,processData,onerror)}else{processData(url)}};var FS_modeStringToFlags=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_getMode=(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode};var IDBFS={dbs:{},indexedDB:()=>{if(typeof indexedDB!="undefined")return indexedDB;var ret=null;if(typeof window=="object")ret=window.indexedDB||window.mozIndexedDB||window.webkitIndexedDB||window.msIndexedDB;return ret},DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",queuePersist:mount=>{function onPersistComplete(){if(mount.idbPersistState==="again")startPersist();else mount.idbPersistState=0}function startPersist(){mount.idbPersistState="idb";IDBFS.syncfs(mount,false,onPersistComplete)}if(!mount.idbPersistState){mount.idbPersistState=setTimeout(startPersist,0)}else if(mount.idbPersistState==="idb"){mount.idbPersistState="again"}},mount:mount=>{var mnt=MEMFS.mount(mount);if(mount?.opts?.autoPersist){mnt.idbPersistState=0;var memfs_node_ops=mnt.node_ops;mnt.node_ops=Object.assign({},mnt.node_ops);mnt.node_ops.mknod=(parent,name,mode,dev)=>{var node=memfs_node_ops.mknod(parent,name,mode,dev);node.node_ops=mnt.node_ops;node.idbfs_mount=mnt.mount;node.memfs_stream_ops=node.stream_ops;node.stream_ops=Object.assign({},node.stream_ops);node.stream_ops.write=(stream,buffer,offset,length,position,canOwn)=>{stream.node.isModified=true;return node.memfs_stream_ops.write(stream,buffer,offset,length,position,canOwn)};node.stream_ops.close=stream=>{var n=stream.node;if(n.isModified){IDBFS.queuePersist(n.idbfs_mount);n.isModified=false}if(n.memfs_stream_ops.close)return n.memfs_stream_ops.close(stream)};return node};mnt.node_ops.mkdir=(...args)=>(IDBFS.queuePersist(mnt.mount),memfs_node_ops.mkdir(...args));mnt.node_ops.rmdir=(...args)=>(IDBFS.queuePersist(mnt.mount),memfs_node_ops.rmdir(...args));mnt.node_ops.symlink=(...args)=>(IDBFS.queuePersist(mnt.mount),memfs_node_ops.symlink(...args));mnt.node_ops.unlink=(...args)=>(IDBFS.queuePersist(mnt.mount),memfs_node_ops.unlink(...args));mnt.node_ops.rename=(...args)=>(IDBFS.queuePersist(mnt.mount),memfs_node_ops.rename(...args))}return mnt},syncfs:(mount,populate,callback)=>{IDBFS.getLocalSet(mount,(err,local)=>{if(err)return callback(err);IDBFS.getRemoteSet(mount,(err,remote)=>{if(err)return callback(err);var src=populate?remote:local;var dst=populate?local:remote;IDBFS.reconcile(src,dst,callback)})})},quit:()=>{Object.values(IDBFS.dbs).forEach(value=>value.close());IDBFS.dbs={}},getDB:(name,callback)=>{var db=IDBFS.dbs[name];if(db){return callback(null,db)}var req;try{req=IDBFS.indexedDB().open(name,IDBFS.DB_VERSION)}catch(e){return callback(e)}if(!req){return callback("Unable to connect to IndexedDB")}req.onupgradeneeded=e=>{var db=e.target.result;var transaction=e.target.transaction;var fileStore;if(db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)){fileStore=transaction.objectStore(IDBFS.DB_STORE_NAME)}else{fileStore=db.createObjectStore(IDBFS.DB_STORE_NAME)}if(!fileStore.indexNames.contains("timestamp")){fileStore.createIndex("timestamp","timestamp",{unique:false})}};req.onsuccess=()=>{db=req.result;IDBFS.dbs[name]=db;callback(null,db)};req.onerror=e=>{callback(e.target.error);e.preventDefault()}},getLocalSet:(mount,callback)=>{var entries={};function isRealDir(p){return p!=="."&&p!==".."}function toAbsolute(root){return p=>PATH.join2(root,p)}var check=FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));while(check.length){var path=check.pop();var stat;try{stat=FS.stat(path)}catch(e){return callback(e)}if(FS.isDir(stat.mode)){check.push(...FS.readdir(path).filter(isRealDir).map(toAbsolute(path)))}entries[path]={timestamp:stat.mtime}}return callback(null,{type:"local",entries:entries})},getRemoteSet:(mount,callback)=>{var entries={};IDBFS.getDB(mount.mountpoint,(err,db)=>{if(err)return callback(err);try{var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readonly");transaction.onerror=e=>{callback(e.target.error);e.preventDefault()};var store=transaction.objectStore(IDBFS.DB_STORE_NAME);var index=store.index("timestamp");index.openKeyCursor().onsuccess=event=>{var cursor=event.target.result;if(!cursor){return callback(null,{type:"remote",db:db,entries:entries})}entries[cursor.primaryKey]={timestamp:cursor.key};cursor.continue()}}catch(e){return callback(e)}})},loadLocalEntry:(path,callback)=>{var stat,node;try{var lookup=FS.lookupPath(path);node=lookup.node;stat=FS.stat(path)}catch(e){return callback(e)}if(FS.isDir(stat.mode)){return callback(null,{timestamp:stat.mtime,mode:stat.mode})}else if(FS.isFile(stat.mode)){node.contents=MEMFS.getFileDataAsTypedArray(node);return callback(null,{timestamp:stat.mtime,mode:stat.mode,contents:node.contents})}else{return callback(new Error("node type not supported"))}},storeLocalEntry:(path,entry,callback)=>{try{if(FS.isDir(entry["mode"])){FS.mkdirTree(path,entry["mode"])}else if(FS.isFile(entry["mode"])){FS.writeFile(path,entry["contents"],{canOwn:true})}else{return callback(new Error("node type not supported"))}FS.chmod(path,entry["mode"]);FS.utime(path,entry["timestamp"],entry["timestamp"])}catch(e){return callback(e)}callback(null)},removeLocalEntry:(path,callback)=>{try{var stat=FS.stat(path);if(FS.isDir(stat.mode)){FS.rmdir(path)}else if(FS.isFile(stat.mode)){FS.unlink(path)}}catch(e){return callback(e)}callback(null)},loadRemoteEntry:(store,path,callback)=>{var req=store.get(path);req.onsuccess=event=>callback(null,event.target.result);req.onerror=e=>{callback(e.target.error);e.preventDefault()}},storeRemoteEntry:(store,path,entry,callback)=>{try{var req=store.put(entry,path)}catch(e){callback(e);return}req.onsuccess=event=>callback();req.onerror=e=>{callback(e.target.error);e.preventDefault()}},removeRemoteEntry:(store,path,callback)=>{var req=store.delete(path);req.onsuccess=event=>callback();req.onerror=e=>{callback(e.target.error);e.preventDefault()}},reconcile:(src,dst,callback)=>{var total=0;var create=[];Object.keys(src.entries).forEach(function(key){var e=src.entries[key];var e2=dst.entries[key];if(!e2||e["timestamp"].getTime()!=e2["timestamp"].getTime()){create.push(key);total++}});var remove=[];Object.keys(dst.entries).forEach(function(key){if(!src.entries[key]){remove.push(key);total++}});if(!total){return callback(null)}var errored=false;var db=src.type==="remote"?src.db:dst.db;var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readwrite");var store=transaction.objectStore(IDBFS.DB_STORE_NAME);function done(err){if(err&&!errored){errored=true;return callback(err)}}transaction.onerror=transaction.onabort=e=>{done(e.target.error);e.preventDefault()};transaction.oncomplete=e=>{if(!errored){callback(null)}};create.sort().forEach(path=>{if(dst.type==="local"){IDBFS.loadRemoteEntry(store,path,(err,entry)=>{if(err)return done(err);IDBFS.storeLocalEntry(path,entry,done)})}else{IDBFS.loadLocalEntry(path,(err,entry)=>{if(err)return done(err);IDBFS.storeRemoteEntry(store,path,entry,done)})}});remove.sort().reverse().forEach(path=>{if(dst.type==="local"){IDBFS.removeLocalEntry(path,done)}else{IDBFS.removeRemoteEntry(store,path,done)}})}};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:class{constructor(errno){this.name="ErrnoError";this.errno=errno}},genericErrors:{},filesystems:null,syncFSRequests:0,FSStream:class{constructor(){this.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{constructor(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev;this.readMode=292|73;this.writeMode=146}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={}){path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}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}current=FS.lookupNode(current,parts[i]);current_path=PATH.join2(current_path,parts[i]);if(FS.isMountpoint(current)){if(!islast||islast&&opts.follow_mount){current=current.mounted.root}}if(!islast||opts.follow){var count=0;while(FS.isLink(current.mode)){var link=FS.readlink(current_path);current_path=PATH_FS.resolve(PATH.dirname(current_path),link);var lookup=FS.lookupPath(current_path,{recurse_count:opts.recurse_count+1});current=lookup.node;if(count++>40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?`${mount}/${path}`:mount+path}path=path?`${node.name}/${path}`:node.name;node=node.parent}},hashName(parentid,name){var hash=0;for(var i=0;i<name.length;i++){hash=(hash<<5)-hash+name.charCodeAt(i)|0}return(parentid+hash>>>0)%FS.nameTable.length},hashAddNode(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode)}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}else if(perms.includes("w")&&!(node.mode&146)){return 2}else 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){try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd(){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},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)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount(type,opts,mountpoint){var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(10)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach(hash=>{var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.includes(current.mount)){FS.destroyNode(current)}current=next}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup(parent,name){return parent.node_ops.lookup(parent,name)},mknod(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree(path,mode){var dirs=path.split("/");var d="";for(var i=0;i<dirs.length;++i){if(!dirs[i])continue;d+="/"+dirs[i];try{FS.mkdir(d,mode)}catch(e){if(e.errno!=20)throw e}}},mkdev(path,mode,dev){if(typeof dev=="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)},symlink(oldpath,newpath){if(!PATH_FS.resolve(oldpath)){throw new FS.ErrnoError(44)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var newname=PATH.basename(newpath);var errCode=FS.mayCreate(parent,newname);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(63)}return parent.node_ops.symlink(parent,newname,oldpath)},rename(old_path,new_path){var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node;if(!old_dir||!new_dir)throw new FS.ErrnoError(44);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(75)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH_FS.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(28)}relative=PATH_FS.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(55)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var isdir=FS.isDir(old_node.mode);var errCode=FS.mayDelete(old_dir,old_name,isdir);if(errCode){throw new FS.ErrnoError(errCode)}errCode=new_node?FS.mayDelete(new_dir,new_name,isdir):FS.mayCreate(new_dir,new_name);if(errCode){throw new FS.ErrnoError(errCode)}if(!old_dir.node_ops.rename){throw new FS.ErrnoError(63)}if(FS.isMountpoint(old_node)||new_node&&FS.isMountpoint(new_node)){throw new FS.ErrnoError(10)}if(new_dir!==old_dir){errCode=FS.nodePermissions(old_dir,"w");if(errCode){throw new FS.ErrnoError(errCode)}}FS.hashRemoveNode(old_node);try{old_dir.node_ops.rename(old_node,new_dir,new_name);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;if(!node.node_ops.readdir){throw new FS.ErrnoError(54)}return node.node_ops.readdir(node)},unlink(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(44)}var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var errCode=FS.mayDelete(parent,name,false);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.unlink){throw new FS.ErrnoError(63)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}parent.node_ops.unlink(parent,name);FS.destroyNode(node)},readlink(path){var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(44)}if(!link.node_ops.readlink){throw new FS.ErrnoError(28)}return PATH_FS.resolve(FS.getPath(link.parent),link.node_ops.readlink(link))},stat(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(44)}if(!node.node_ops.getattr){throw new FS.ErrnoError(63)}return node.node_ops.getattr(node)},lstat(path){return FS.stat(path,true)},chmod(path,mode,dontFollow){var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{mode:mode&4095|node.mode&~4095,timestamp:Date.now()})},lchmod(path,mode){FS.chmod(path,mode,true)},fchmod(fd,mode){var stream=FS.getStreamChecked(fd);FS.chmod(stream.node,mode)},chown(path,uid,gid,dontFollow){var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:!dontFollow});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}node.node_ops.setattr(node,{timestamp:Date.now()})},lchown(path,uid,gid){FS.chown(path,uid,gid,true)},fchown(fd,uid,gid){var stream=FS.getStreamChecked(fd);FS.chown(stream.node,uid,gid)},truncate(path,len){if(len<0){throw new FS.ErrnoError(28)}var node;if(typeof path=="string"){var lookup=FS.lookupPath(path,{follow:true});node=lookup.node}else{node=path}if(!node.node_ops.setattr){throw new FS.ErrnoError(63)}if(FS.isDir(node.mode)){throw new FS.ErrnoError(31)}if(!FS.isFile(node.mode)){throw new FS.ErrnoError(28)}var errCode=FS.nodePermissions(node,"w");if(errCode){throw new FS.ErrnoError(errCode)}node.node_ops.setattr(node,{size:len,timestamp:Date.now()})},ftruncate(fd,len){var stream=FS.getStreamChecked(fd);if((stream.flags&2097155)===0){throw new FS.ErrnoError(28)}FS.truncate(stream.node,len)},utime(path,atime,mtime){var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})},open(path,flags,mode){if(path===""){throw new FS.ErrnoError(44)}flags=typeof flags=="string"?FS_modeStringToFlags(flags):flags;if(flags&64){mode=typeof mode=="undefined"?438:mode;mode=mode&4095|32768}else{mode=0}var node;if(typeof path=="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(20)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(44)}if(FS.isChrdev(node.mode)){flags&=~512}if(flags&65536&&!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}if(!created){var errCode=FS.mayOpen(node,flags);if(errCode){throw new FS.ErrnoError(errCode)}}if(flags&512&&!created){FS.truncate(node,0)}flags&=~(128|512|131072);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false});if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1}}return stream},close(stream){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(stream.getdents)stream.getdents=null;try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}stream.fd=null},isClosed(stream){return stream.fd===null},llseek(stream,offset,whence){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(70)}if(whence!=0&&whence!=1&&whence!=2){throw new FS.ErrnoError(28)}stream.position=stream.stream_ops.llseek(stream,offset,whence);stream.ungotten=[];return stream.position},read(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.read){throw new FS.ErrnoError(28)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead},write(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(28)}if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(31)}if(!stream.stream_ops.write){throw new FS.ErrnoError(28)}if(stream.seekable&&stream.flags&1024){FS.llseek(stream,0,2)}var seeking=typeof position!="undefined";if(!seeking){position=stream.position}else if(!stream.seekable){throw new FS.ErrnoError(70)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;return bytesWritten},allocate(stream,offset,length){if(FS.isClosed(stream)){throw new FS.ErrnoError(8)}if(offset<0||length<=0){throw new FS.ErrnoError(28)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(8)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(stream.node.mode)){throw new FS.ErrnoError(43)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(138)}stream.stream_ops.allocate(stream,offset,length)},mmap(stream,length,position,prot,flags){if((prot&2)!==0&&(flags&2)===0&&(stream.flags&2097155)!==2){throw new FS.ErrnoError(2)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(2)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(43)}return stream.stream_ops.mmap(stream,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"){throw new Error(`Invalid encoding type "${opts.encoding}"`)}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret=UTF8ArrayToString(buf,0)}else if(opts.encoding==="binary"){ret=buf}FS.close(stream);return ret},writeFile(path,data,opts={}){opts.flags=opts.flags||577;var stream=FS.open(path,opts.flags,opts.mode);if(typeof data=="string"){var buf=new Uint8Array(lengthBytesUTF8(data)+1);var actualNumBytes=stringToUTF8Array(data,buf,0,buf.length);FS.write(stream,buf,0,actualNumBytes,undefined,opts.canOwn)}else if(ArrayBuffer.isView(data)){FS.write(stream,data,0,data.byteLength,undefined,opts.canOwn)}else{throw new Error("Unsupported data type")}FS.close(stream)},cwd:()=>FS.currentPath,chdir(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories(){FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices(){FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));var randomBuffer=new Uint8Array(1024),randomLeft=0;var randomByte=()=>{if(randomLeft===0){randomLeft=randomFill(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",16384|511,73);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}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams(){if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},staticInit(){[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack="<generic error, no stack>"});FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={MEMFS:MEMFS,IDBFS:IDBFS}},init(input,output,error){FS.init.initialized=true;Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit(){FS.init.initialized=false;_fflush(0);for(var i=0;i<FS.streams.length;i++){var stream=FS.streams[i];if(!stream){continue}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){}parent=current}return current},createFile(parent,name,properties,canRead,canWrite){var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS_getMode(canRead,canWrite);return FS.create(path,mode)},createDataFile(parent,name,data,canRead,canWrite,canOwn){var path=name;if(parent){parent=typeof parent=="string"?parent:FS.getPath(parent);path=name?PATH.join2(parent,name):parent}var mode=FS_getMode(canRead,canWrite);var node=FS.create(path,mode);if(data){if(typeof data=="string"){var arr=new Array(data.length);for(var i=0,len=data.length;i<len;++i)arr[i]=data.charCodeAt(i);data=arr}FS.chmod(node,mode|146);var stream=FS.open(node,577);FS.write(stream,data,0,data.length,0,canOwn);FS.close(stream);FS.chmod(node,mode)}},createDevice(parent,name,input,output){var path=PATH.join2(typeof parent=="string"?parent:FS.getPath(parent),name);var mode=FS_getMode(!!input,!!output);if(!FS.createDevice.major)FS.createDevice.major=64;var dev=FS.makedev(FS.createDevice.major++,0);FS.registerDevice(dev,{open(stream){stream.seekable=false},close(stream){if(output?.buffer?.length){output(10)}},read(stream,buffer,offset,length,pos){var bytesRead=0;for(var i=0;i<length;i++){var result;try{result=input()}catch(e){throw new FS.ErrnoError(29)}if(result===undefined&&bytesRead===0){throw new FS.ErrnoError(6)}if(result===null||result===undefined)break;bytesRead++;buffer[offset+i]=result}if(bytesRead){stream.node.timestamp=Date.now()}return bytesRead},write(stream,buffer,offset,length,pos){for(var i=0;i<length;i++){try{output(buffer[offset+i])}catch(e){throw new FS.ErrnoError(29)}}if(length){stream.node.timestamp=Date.now()}return i}});return FS.mkdev(path,mode,dev)},forceLoadFile(obj){if(obj.isDevice||obj.isFolder||obj.link||obj.contents)return true;if(typeof XMLHttpRequest!="undefined"){throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")}else{try{obj.contents=readBinary(obj.url);obj.usedBytes=obj.contents.length}catch(e){throw new FS.ErrnoError(29)}}},createLazyFile(parent,name,url,canRead,canWrite){class LazyUint8Array{constructor(){this.lengthKnown=false;this.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))throw new Error("Couldn't load "+url+". Status: "+xhr.status);var datalength=Number(xhr.getResponseHeader("Content-length"));var header;var hasByteServing=(header=xhr.getResponseHeader("Accept-Ranges"))&&header==="bytes";var usesGzip=(header=xhr.getResponseHeader("Content-Encoding"))&&header==="gzip";var chunkSize=1024*1024;if(!hasByteServing)chunkSize=datalength;var doXHR=(from,to)=>{if(from>to)throw new Error("invalid range ("+from+", "+to+") or no bytes requested!");if(to>datalength-1)throw new Error("only "+datalength+" bytes available! programmer error!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("text/plain; charset=x-user-defined")}xhr.send(null);if(!(xhr.status>=200&&xhr.status<300||xhr.status===304))throw new Error("Couldn't load "+url+". Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]=="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]=="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]});if(usesGzip||!datalength){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true}get length(){if(!this.lengthKnown){this.cacheLength()}return this._length}get chunkSize(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=(...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:ptr,allocated:true}};node.stream_ops=stream_ops;return node}};var UTF8ToString=(ptr,maxBytesToRead)=>ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):"";var SYSCALLS={DEFAULT_POLLMASK:5,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 PATH.join2(dir,path)},doStat(func,path,buf){var stat=func(path);HEAP32[buf>>2]=stat.dev;HEAP32[buf+4>>2]=stat.mode;HEAPU32[buf+8>>2]=stat.nlink;HEAP32[buf+12>>2]=stat.uid;HEAP32[buf+16>>2]=stat.gid;HEAP32[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;HEAP64[buf+56>>3]=BigInt(Math.floor(mtime/1e3));HEAPU32[buf+64>>2]=mtime%1e3*1e3;HEAP64[buf+72>>3]=BigInt(Math.floor(ctime/1e3));HEAPU32[buf+80>>2]=ctime%1e3*1e3;HEAP64[buf+88>>3]=BigInt(stat.ino);return 0},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__newselect(nfds,readfds,writefds,exceptfds,timeout){try{var total=0;var srcReadLow=readfds?HEAP32[readfds>>2]:0,srcReadHigh=readfds?HEAP32[readfds+4>>2]:0;var srcWriteLow=writefds?HEAP32[writefds>>2]:0,srcWriteHigh=writefds?HEAP32[writefds+4>>2]:0;var srcExceptLow=exceptfds?HEAP32[exceptfds>>2]:0,srcExceptHigh=exceptfds?HEAP32[exceptfds+4>>2]:0;var dstReadLow=0,dstReadHigh=0;var dstWriteLow=0,dstWriteHigh=0;var dstExceptLow=0,dstExceptHigh=0;var allLow=(readfds?HEAP32[readfds>>2]:0)|(writefds?HEAP32[writefds>>2]:0)|(exceptfds?HEAP32[exceptfds>>2]:0);var allHigh=(readfds?HEAP32[readfds+4>>2]:0)|(writefds?HEAP32[writefds+4>>2]:0)|(exceptfds?HEAP32[exceptfds+4>>2]:0);var check=function(fd,low,high,val){return fd<32?low&val:high&val};for(var fd=0;fd<nfds;fd++){var mask=1<<fd%32;if(!check(fd,allLow,allHigh,mask)){continue}var stream=SYSCALLS.getStreamFromFD(fd);var flags=SYSCALLS.DEFAULT_POLLMASK;if(stream.stream_ops.poll){var timeoutInMillis=-1;if(timeout){var tv_sec=readfds?HEAP32[timeout>>2]:0,tv_usec=readfds?HEAP32[timeout+4>>2]:0;timeoutInMillis=(tv_sec+tv_usec/1e6)*1e3}flags=stream.stream_ops.poll(stream,timeoutInMillis)}if(flags&1&&check(fd,srcReadLow,srcReadHigh,mask)){fd<32?dstReadLow=dstReadLow|mask:dstReadHigh=dstReadHigh|mask;total++}if(flags&4&&check(fd,srcWriteLow,srcWriteHigh,mask)){fd<32?dstWriteLow=dstWriteLow|mask:dstWriteHigh=dstWriteHigh|mask;total++}if(flags&2&&check(fd,srcExceptLow,srcExceptHigh,mask)){fd<32?dstExceptLow=dstExceptLow|mask:dstExceptHigh=dstExceptHigh|mask;total++}}if(readfds){HEAP32[readfds>>2]=dstReadLow;HEAP32[readfds+4>>2]=dstReadHigh}if(writefds){HEAP32[writefds>>2]=dstWriteLow;HEAP32[writefds+4>>2]=dstWriteHigh}if(exceptfds){HEAP32[exceptfds>>2]=dstExceptLow;HEAP32[exceptfds+4>>2]=dstExceptHigh}return total}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var SOCKFS={mount(mount){Module["websocket"]=Module["websocket"]&&"object"===typeof Module["websocket"]?Module["websocket"]:{};Module["websocket"]._callbacks={};Module["websocket"]["on"]=function(event,callback){if("function"===typeof callback){this._callbacks[event]=callback}return this};Module["websocket"].emit=function(event,param){if("function"===typeof this._callbacks[event]){this._callbacks[event].call(this,param)}};return FS.createNode(null,"/",16384|511,0)},createSocket(family,type,protocol){type&=~526336;var streaming=type==1;if(streaming&&protocol&&protocol!=6){throw new FS.ErrnoError(66)}var sock={family:family,type:type,protocol:protocol,server:null,error:null,peers:{},pending:[],recv_queue:[],sock_ops:SOCKFS.websocket_sock_ops};var name=SOCKFS.nextname();var node=FS.createNode(SOCKFS.root,name,49152,0);node.sock=sock;var stream=FS.createStream({path:name,node:node,flags:2,seekable:false,stream_ops:SOCKFS.stream_ops});sock.stream=stream;return sock},getSocket(fd){var stream=FS.getStream(fd);if(!stream||!FS.isSocket(stream.node.mode)){return null}return stream.node.sock},stream_ops:{poll(stream){var sock=stream.node.sock;return sock.sock_ops.poll(sock)},ioctl(stream,request,varargs){var sock=stream.node.sock;return sock.sock_ops.ioctl(sock,request,varargs)},read(stream,buffer,offset,length,position){var sock=stream.node.sock;var msg=sock.sock_ops.recvmsg(sock,length);if(!msg){return 0}buffer.set(msg.buffer,offset);return msg.buffer.length},write(stream,buffer,offset,length,position){var sock=stream.node.sock;return sock.sock_ops.sendmsg(sock,buffer,offset,length)},close(stream){var sock=stream.node.sock;sock.sock_ops.close(sock)}},nextname(){if(!SOCKFS.nextname.current){SOCKFS.nextname.current=0}return"socket["+SOCKFS.nextname.current+++"]"},websocket_sock_ops:{createPeer(sock,addr,port){var ws;if(typeof addr=="object"){ws=addr;addr=null;port=null}if(ws){if(ws._socket){addr=ws._socket.remoteAddress;port=ws._socket.remotePort}else{var result=/ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);if(!result){throw new Error("WebSocket URL must be in the format ws(s)://address:port")}addr=result[1];port=parseInt(result[2],10)}}else{try{var runtimeConfig=Module["websocket"]&&"object"===typeof Module["websocket"];var url="ws:#".replace("#","//");if(runtimeConfig){if("string"===typeof Module["websocket"]["url"]){url=Module["websocket"]["url"]}}if(url==="ws://"||url==="wss://"){var parts=addr.split("/");url=url+parts[0]+":"+port+"/"+parts.slice(1).join("/")}var subProtocols="binary";if(runtimeConfig){if("string"===typeof Module["websocket"]["subprotocol"]){subProtocols=Module["websocket"]["subprotocol"]}}var opts=undefined;if(subProtocols!=="null"){subProtocols=subProtocols.replace(/^ +| +$/g,"").split(/ *, */);opts=subProtocols}if(runtimeConfig&&null===Module["websocket"]["subprotocol"]){subProtocols="null";opts=undefined}var WebSocketConstructor;{WebSocketConstructor=WebSocket}ws=new WebSocketConstructor(url,opts);ws.binaryType="arraybuffer"}catch(e){throw new FS.ErrnoError(23)}}var peer={addr:addr,port:port,socket:ws,dgram_send_queue:[]};SOCKFS.websocket_sock_ops.addPeer(sock,peer);SOCKFS.websocket_sock_ops.handlePeerEvents(sock,peer);if(sock.type===2&&typeof sock.sport!="undefined"){peer.dgram_send_queue.push(new Uint8Array([255,255,255,255,"p".charCodeAt(0),"o".charCodeAt(0),"r".charCodeAt(0),"t".charCodeAt(0),(sock.sport&65280)>>8,sock.sport&255]))}return peer},getPeer(sock,addr,port){return sock.peers[addr+":"+port]},addPeer(sock,peer){sock.peers[peer.addr+":"+peer.port]=peer},removePeer(sock,peer){delete sock.peers[peer.addr+":"+peer.port]},handlePeerEvents(sock,peer){var first=true;var handleOpen=function(){Module["websocket"].emit("open",sock.stream.fd);try{var queued=peer.dgram_send_queue.shift();while(queued){peer.socket.send(queued);queued=peer.dgram_send_queue.shift()}}catch(e){peer.socket.close()}};function handleMessage(data){if(typeof data=="string"){var encoder=new TextEncoder;data=encoder.encode(data)}else{assert(data.byteLength!==undefined);if(data.byteLength==0){return}data=new Uint8Array(data)}var wasfirst=first;first=false;if(wasfirst&&data.length===10&&data[0]===255&&data[1]===255&&data[2]===255&&data[3]===255&&data[4]==="p".charCodeAt(0)&&data[5]==="o".charCodeAt(0)&&data[6]==="r".charCodeAt(0)&&data[7]==="t".charCodeAt(0)){var newport=data[8]<<8|data[9];SOCKFS.websocket_sock_ops.removePeer(sock,peer);peer.port=newport;SOCKFS.websocket_sock_ops.addPeer(sock,peer);return}sock.recv_queue.push({addr:peer.addr,port:peer.port,data:data});Module["websocket"].emit("message",sock.stream.fd)}if(ENVIRONMENT_IS_NODE){peer.socket.on("open",handleOpen);peer.socket.on("message",function(data,isBinary){if(!isBinary){return}handleMessage(new Uint8Array(data).buffer)});peer.socket.on("close",function(){Module["websocket"].emit("close",sock.stream.fd)});peer.socket.on("error",function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])})}else{peer.socket.onopen=handleOpen;peer.socket.onclose=function(){Module["websocket"].emit("close",sock.stream.fd)};peer.socket.onmessage=function peer_socket_onmessage(event){handleMessage(event.data)};peer.socket.onerror=function(error){sock.error=14;Module["websocket"].emit("error",[sock.stream.fd,sock.error,"ECONNREFUSED: Connection refused"])}}},poll(sock){if(sock.type===1&&sock.server){return sock.pending.length?64|1:0}var mask=0;var dest=sock.type===1?SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport):null;if(sock.recv_queue.length||!dest||dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=64|1}if(!dest||dest&&dest.socket.readyState===dest.socket.OPEN){mask|=4}if(dest&&dest.socket.readyState===dest.socket.CLOSING||dest&&dest.socket.readyState===dest.socket.CLOSED){mask|=16}return mask},ioctl(sock,request,arg){switch(request){case 21531:var bytes=0;if(sock.recv_queue.length){bytes=sock.recv_queue[0].data.length}HEAP32[arg>>2]=bytes;return 0;default:return 28}},close(sock){if(sock.server){try{sock.server.close()}catch(e){}sock.server=null}var peers=Object.keys(sock.peers);for(var i=0;i<peers.length;i++){var peer=sock.peers[peers[i]];try{peer.socket.close()}catch(e){}SOCKFS.websocket_sock_ops.removePeer(sock,peer)}return 0},bind(sock,addr,port){if(typeof sock.saddr!="undefined"||typeof sock.sport!="undefined"){throw new FS.ErrnoError(28)}sock.saddr=addr;sock.sport=port;if(sock.type===2){if(sock.server){sock.server.close();sock.server=null}try{sock.sock_ops.listen(sock,0)}catch(e){if(!(e.name==="ErrnoError"))throw e;if(e.errno!==138)throw e}}},connect(sock,addr,port){if(sock.server){throw new FS.ErrnoError(138)}if(typeof sock.daddr!="undefined"&&typeof sock.dport!="undefined"){var dest=SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport);if(dest){if(dest.socket.readyState===dest.socket.CONNECTING){throw new FS.ErrnoError(7)}else{throw new FS.ErrnoError(30)}}}var peer=SOCKFS.websocket_sock_ops.createPeer(sock,addr,port);sock.daddr=peer.addr;sock.dport=peer.port;throw new FS.ErrnoError(26)},listen(sock,backlog){if(!ENVIRONMENT_IS_NODE){throw new FS.ErrnoError(138)}},accept(listensock){if(!listensock.server||!listensock.pending.length){throw new FS.ErrnoError(28)}var newsock=listensock.pending.shift();newsock.stream.flags=listensock.stream.flags;return newsock},getname(sock,peer){var addr,port;if(peer){if(sock.daddr===undefined||sock.dport===undefined){throw new FS.ErrnoError(53)}addr=sock.daddr;port=sock.dport}else{addr=sock.saddr||0;port=sock.sport||0}return{addr:addr,port:port}},sendmsg(sock,buffer,offset,length,addr,port){if(sock.type===2){if(addr===undefined||port===undefined){addr=sock.daddr;port=sock.dport}if(addr===undefined||port===undefined){throw new FS.ErrnoError(17)}}else{addr=sock.daddr;port=sock.dport}var dest=SOCKFS.websocket_sock_ops.getPeer(sock,addr,port);if(sock.type===1){if(!dest||dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){throw new FS.ErrnoError(53)}else if(dest.socket.readyState===dest.socket.CONNECTING){throw new FS.ErrnoError(6)}}if(ArrayBuffer.isView(buffer)){offset+=buffer.byteOffset;buffer=buffer.buffer}var data;data=buffer.slice(offset,offset+length);if(sock.type===2){if(!dest||dest.socket.readyState!==dest.socket.OPEN){if(!dest||dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){dest=SOCKFS.websocket_sock_ops.createPeer(sock,addr,port)}dest.dgram_send_queue.push(data);return length}}try{dest.socket.send(data);return length}catch(e){throw new FS.ErrnoError(28)}},recvmsg(sock,length){if(sock.type===1&&sock.server){throw new FS.ErrnoError(53)}var queued=sock.recv_queue.shift();if(!queued){if(sock.type===1){var dest=SOCKFS.websocket_sock_ops.getPeer(sock,sock.daddr,sock.dport);if(!dest){throw new FS.ErrnoError(53)}if(dest.socket.readyState===dest.socket.CLOSING||dest.socket.readyState===dest.socket.CLOSED){return null}throw new FS.ErrnoError(6)}throw new FS.ErrnoError(6)}var queuedLength=queued.data.byteLength||queued.data.length;var queuedOffset=queued.data.byteOffset||0;var queuedBuffer=queued.data.buffer||queued.data;var bytesRead=Math.min(length,queuedLength);var res={buffer:new Uint8Array(queuedBuffer,queuedOffset,bytesRead),addr:queued.addr,port:queued.port};if(sock.type===1&&bytesRead<queuedLength){var bytesRemaining=queuedLength-bytesRead;queued.data=new Uint8Array(queuedBuffer,queuedOffset+bytesRead,bytesRemaining);sock.recv_queue.unshift(queued)}return res}}};var getSocketFromFD=fd=>{var socket=SOCKFS.getSocket(fd);if(!socket)throw new FS.ErrnoError(8);return socket};var inetPton4=str=>{var b=str.split(".");for(var i=0;i<4;i++){var tmp=Number(b[i]);if(isNaN(tmp))return null;b[i]=tmp}return(b[0]|b[1]<<8|b[2]<<16|b[3]<<24)>>>0};var jstoi_q=str=>parseInt(str);var inetPton6=str=>{var words;var w,offset,z;var valid6regx=/^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;var parts=[];if(!valid6regx.test(str)){return null}if(str==="::"){return[0,0,0,0,0,0,0,0]}if(str.startsWith("::")){str=str.replace("::","Z:")}else{str=str.replace("::",":Z:")}if(str.indexOf(".")>0){str=str.replace(new RegExp("[.]","g"),":");words=str.split(":");words[words.length-4]=jstoi_q(words[words.length-4])+jstoi_q(words[words.length-3])*256;words[words.length-3]=jstoi_q(words[words.length-2])+jstoi_q(words[words.length-1])*256;words=words.slice(0,words.length-2)}else{words=str.split(":")}offset=0;z=0;for(w=0;w<words.length;w++){if(typeof words[w]=="string"){if(words[w]==="Z"){for(z=0;z<8-words.length+1;z++){parts[w+z]=0}offset=z-1}else{parts[w+offset]=_htons(parseInt(words[w],16))}}else{parts[w+offset]=words[w]}}return[parts[1]<<16|parts[0],parts[3]<<16|parts[2],parts[5]<<16|parts[4],parts[7]<<16|parts[6]]};var writeSockaddr=(sa,family,addr,port,addrlen)=>{switch(family){case 2:addr=inetPton4(addr);zeroMemory(sa,16);if(addrlen){HEAP32[addrlen>>2]=16}HEAP16[sa>>1]=family;HEAP32[sa+4>>2]=addr;HEAP16[sa+2>>1]=_htons(port);break;case 10:addr=inetPton6(addr);zeroMemory(sa,28);if(addrlen){HEAP32[addrlen>>2]=28}HEAP32[sa>>2]=family;HEAP32[sa+8>>2]=addr[0];HEAP32[sa+12>>2]=addr[1];HEAP32[sa+16>>2]=addr[2];HEAP32[sa+20>>2]=addr[3];HEAP16[sa+2>>1]=_htons(port);break;default:return 5}return 0};var DNS={address_map:{id:1,addrs:{},names:{}},lookup_name(name){var res=inetPton4(name);if(res!==null){return name}res=inetPton6(name);if(res!==null){return name}var addr;if(DNS.address_map.addrs[name]){addr=DNS.address_map.addrs[name]}else{var id=DNS.address_map.id++;assert(id<65535,"exceeded max address mappings of 65535");addr="172.29."+(id&255)+"."+(id&65280);DNS.address_map.names[addr]=name;DNS.address_map.addrs[name]=addr}return addr},lookup_addr(addr){if(DNS.address_map.names[addr]){return DNS.address_map.names[addr]}return null}};function ___syscall_accept4(fd,addr,addrlen,flags,d1,d2){try{var sock=getSocketFromFD(fd);var newsock=sock.sock_ops.accept(sock);if(addr){var errno=writeSockaddr(addr,newsock.family,DNS.lookup_name(newsock.daddr),newsock.dport,addrlen)}return newsock.stream.fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var inetNtop4=addr=>(addr&255)+"."+(addr>>8&255)+"."+(addr>>16&255)+"."+(addr>>24&255);var inetNtop6=ints=>{var str="";var word=0;var longest=0;var lastzero=0;var zstart=0;var len=0;var i=0;var parts=[ints[0]&65535,ints[0]>>16,ints[1]&65535,ints[1]>>16,ints[2]&65535,ints[2]>>16,ints[3]&65535,ints[3]>>16];var hasipv4=true;var v4part="";for(i=0;i<5;i++){if(parts[i]!==0){hasipv4=false;break}}if(hasipv4){v4part=inetNtop4(parts[6]|parts[7]<<16);if(parts[5]===-1){str="::ffff:";str+=v4part;return str}if(parts[5]===0){str="::";if(v4part==="0.0.0.0")v4part="";if(v4part==="0.0.0.1")v4part="1";str+=v4part;return str}}for(word=0;word<8;word++){if(parts[word]===0){if(word-lastzero>1){len=0}lastzero=word;len++}if(len>longest){longest=len;zstart=word-longest+1}}for(word=0;word<8;word++){if(longest>1){if(parts[word]===0&&word>=zstart&&word<zstart+longest){if(word===zstart){str+=":";if(zstart===0)str+=":"}continue}}str+=Number(_ntohs(parts[word]&65535)).toString(16);str+=word<7?":":""}return str};var readSockaddr=(sa,salen)=>{var family=HEAP16[sa>>1];var port=_ntohs(HEAPU16[sa+2>>1]);var addr;switch(family){case 2:if(salen!==16){return{errno:28}}addr=HEAP32[sa+4>>2];addr=inetNtop4(addr);break;case 10:if(salen!==28){return{errno:28}}addr=[HEAP32[sa+8>>2],HEAP32[sa+12>>2],HEAP32[sa+16>>2],HEAP32[sa+20>>2]];addr=inetNtop6(addr);break;default:return{errno:5}}return{family:family,addr:addr,port:port}};var getSocketAddress=(addrp,addrlen,allowNull)=>{if(allowNull&&addrp===0)return null;var info=readSockaddr(addrp,addrlen);if(info.errno)throw new FS.ErrnoError(info.errno);info.addr=DNS.lookup_addr(info.addr)||info.addr;return info};function ___syscall_bind(fd,addr,addrlen,d1,d2,d3){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.bind(sock,info.addr,info.port);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_chdir(path){try{path=SYSCALLS.getStr(path);FS.chdir(path);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_chmod(path,mode){try{path=SYSCALLS.getStr(path);FS.chmod(path,mode);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_connect(fd,addr,addrlen,d1,d2,d3){try{var sock=getSocketFromFD(fd);var info=getSocketAddress(addr,addrlen);sock.sock_ops.connect(sock,info.addr,info.port);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_faccessat(dirfd,path,amode,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(amode&~7){return-28}var lookup=FS.lookupPath(path,{follow:true});var node=lookup.node;if(!node){return-44}var perms="";if(amode&4)perms+="r";if(amode&2)perms+="w";if(amode&1)perms+="x";if(perms&&FS.nodePermissions(node,perms)){return-2}return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_fchmod(fd,mode){try{FS.fchmod(fd,mode);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function syscallGetVarargI(){var ret=HEAP32[+SYSCALLS.varargs>>2];SYSCALLS.varargs+=4;return ret}var syscallGetVarargP=syscallGetVarargI;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}}var INT53_MAX=9007199254740992;var INT53_MIN=-9007199254740992;var bigintToI53Checked=num=>num<INT53_MIN||num>INT53_MAX?NaN:Number(num);function ___syscall_ftruncate64(fd,length){length=bigintToI53Checked(length);try{if(isNaN(length))return 61;FS.ftruncate(fd,length);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var stringToUTF8=(str,outPtr,maxBytesToWrite)=>stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite);function ___syscall_getcwd(buf,size){try{if(size===0)return-28;var cwd=FS.cwd();var cwdLengthInBytes=lengthBytesUTF8(cwd)+1;if(size<cwdLengthInBytes)return-68;stringToUTF8(cwd,buf,size);return cwdLengthInBytes}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_getdents64(fd,dirp,count){try{var stream=SYSCALLS.getStreamFromFD(fd);stream.getdents||=FS.readdir(stream.path);var struct_size=280;var pos=0;var off=FS.llseek(stream,0,1);var idx=Math.floor(off/struct_size);while(idx<stream.getdents.length&&pos+struct_size<=count){var id;var type;var name=stream.getdents[idx];if(name==="."){id=stream.node.id;type=4}else if(name===".."){var lookup=FS.lookupPath(stream.path,{parent:true});id=lookup.node.id;type=4}else{var child=FS.lookupNode(stream.node,name);id=child.id;type=FS.isChrdev(child.mode)?2:FS.isDir(child.mode)?4:FS.isLink(child.mode)?10:8}HEAP64[dirp+pos>>3]=BigInt(id);HEAP64[dirp+pos+8>>3]=BigInt((idx+1)*struct_size);HEAP16[dirp+pos+16>>1]=280;HEAP8[dirp+pos+18]=type;stringToUTF8(name,dirp+pos+19,256);pos+=struct_size;idx+=1}FS.llseek(stream,idx*struct_size,0);return pos}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_getsockname(fd,addr,addrlen,d1,d2,d3){try{var sock=getSocketFromFD(fd);var errno=writeSockaddr(addr,sock.family,DNS.lookup_name(sock.saddr||"0.0.0.0"),sock.sport,addrlen);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_getsockopt(fd,level,optname,optval,optlen,d1){try{var sock=getSocketFromFD(fd);if(level===1){if(optname===4){HEAP32[optval>>2]=sock.error;HEAP32[optlen>>2]=4;sock.error=null;return 0}}return-50}catch(e){if(typeof FS=="undefined"||!(e.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_iflag,c_oflag:c_oflag,c_cflag:c_cflag,c_lflag:c_lflag,c_cc: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 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_listen(fd,backlog){try{var sock=getSocketFromFD(fd);sock.sock_ops.listen(sock,backlog);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_lstat64(path,buf){try{path=SYSCALLS.getStr(path);return SYSCALLS.doStat(FS.lstat,path,buf)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_mkdirat(dirfd,path,mode){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);path=PATH.normalize(path);if(path[path.length-1]==="/")path=path.substr(0,path.length-1);FS.mkdir(path,mode,0);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_mknodat(dirfd,path,mode,dev){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);switch(mode&61440){case 32768:case 8192:case 24576:case 4096:case 49152:break;default:return-28}FS.mknod(path,mode,dev);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_newfstatat(dirfd,path,buf,flags){try{path=SYSCALLS.getStr(path);var nofollow=flags&256;var allowEmpty=flags&4096;flags=flags&~6400;path=SYSCALLS.calculateAt(dirfd,path,allowEmpty);return SYSCALLS.doStat(nofollow?FS.lstat:FS.stat,path,buf)}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_poll(fds,nfds,timeout){try{var nonzero=0;for(var i=0;i<nfds;i++){var pollfd=fds+8*i;var fd=HEAP32[pollfd>>2];var events=HEAP16[pollfd+4>>1];var mask=32;var stream=FS.getStream(fd);if(stream){mask=SYSCALLS.DEFAULT_POLLMASK;if(stream.stream_ops.poll){mask=stream.stream_ops.poll(stream,-1)}}mask&=events|8|16;if(mask)nonzero++;HEAP16[pollfd+6>>1]=mask}return nonzero}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_readlinkat(dirfd,path,buf,bufsize){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(bufsize<=0)return-28;var ret=FS.readlink(path);var len=Math.min(bufsize,lengthBytesUTF8(ret));var endChar=HEAP8[buf+len];stringToUTF8(ret,buf,bufsize+1);HEAP8[buf+len]=endChar;return len}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_recvfrom(fd,buf,len,flags,addr,addrlen){try{var sock=getSocketFromFD(fd);var msg=sock.sock_ops.recvmsg(sock,len);if(!msg)return 0;if(addr){var errno=writeSockaddr(addr,sock.family,DNS.lookup_name(msg.addr),msg.port,addrlen)}HEAPU8.set(msg.buffer,buf);return msg.buffer.byteLength}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_renameat(olddirfd,oldpath,newdirfd,newpath){try{oldpath=SYSCALLS.getStr(oldpath);newpath=SYSCALLS.getStr(newpath);oldpath=SYSCALLS.calculateAt(olddirfd,oldpath);newpath=SYSCALLS.calculateAt(newdirfd,newpath);FS.rename(oldpath,newpath);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_rmdir(path){try{path=SYSCALLS.getStr(path);FS.rmdir(path);return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_sendto(fd,message,length,flags,addr,addr_len){try{var sock=getSocketFromFD(fd);var dest=getSocketAddress(addr,addr_len,true);if(!dest){return FS.write(sock.stream,HEAP8,message,length)}return sock.sock_ops.sendmsg(sock,HEAP8,message,length,dest.addr,dest.port)}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_socket(domain,type,protocol){try{var sock=SOCKFS.createSocket(domain,type,protocol);return 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___syscall_unlinkat(dirfd,path,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(flags===0){FS.unlink(path)}else if(flags===512){FS.rmdir(path)}else{abort("Invalid flags passed to unlinkat")}return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var __abort_js=()=>{abort("")};var nowIsMonotonic=1;var __emscripten_get_now_is_monotonic=()=>nowIsMonotonic;var __emscripten_runtime_keepalive_clear=()=>{noExitRuntime=false;runtimeKeepaliveCounter=0};function __gmtime_js(time,tmPtr){time=bigintToI53Checked(time);var date=new Date(time*1e3);HEAP32[tmPtr>>2]=date.getUTCSeconds();HEAP32[tmPtr+4>>2]=date.getUTCMinutes();HEAP32[tmPtr+8>>2]=date.getUTCHours();HEAP32[tmPtr+12>>2]=date.getUTCDate();HEAP32[tmPtr+16>>2]=date.getUTCMonth();HEAP32[tmPtr+20>>2]=date.getUTCFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getUTCDay();var start=Date.UTC(date.getUTCFullYear(),0,1,0,0,0,0);var yday=(date.getTime()-start)/(1e3*60*60*24)|0;HEAP32[tmPtr+28>>2]=yday}var isLeapYear=year=>year%4===0&&(year%100!==0||year%400===0);var MONTH_DAYS_LEAP_CUMULATIVE=[0,31,60,91,121,152,182,213,244,274,305,335];var MONTH_DAYS_REGULAR_CUMULATIVE=[0,31,59,90,120,151,181,212,243,273,304,334];var ydayFromDate=date=>{var leap=isLeapYear(date.getFullYear());var monthDaysCumulative=leap?MONTH_DAYS_LEAP_CUMULATIVE:MONTH_DAYS_REGULAR_CUMULATIVE;var yday=monthDaysCumulative[date.getMonth()]+date.getDate()-1;return yday};function __localtime_js(time,tmPtr){time=bigintToI53Checked(time);var date=new Date(time*1e3);HEAP32[tmPtr>>2]=date.getSeconds();HEAP32[tmPtr+4>>2]=date.getMinutes();HEAP32[tmPtr+8>>2]=date.getHours();HEAP32[tmPtr+12>>2]=date.getDate();HEAP32[tmPtr+16>>2]=date.getMonth();HEAP32[tmPtr+20>>2]=date.getFullYear()-1900;HEAP32[tmPtr+24>>2]=date.getDay();var yday=ydayFromDate(date)|0;HEAP32[tmPtr+28>>2]=yday;HEAP32[tmPtr+36>>2]=-(date.getTimezoneOffset()*60);var start=new Date(date.getFullYear(),0,1);var summerOffset=new Date(date.getFullYear(),6,1).getTimezoneOffset();var winterOffset=start.getTimezoneOffset();var dst=(summerOffset!=winterOffset&&date.getTimezoneOffset()==Math.min(winterOffset,summerOffset))|0;HEAP32[tmPtr+32>>2]=dst}var __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 runtimeKeepaliveCounter=0;var runtimeKeepalivePush=()=>{runtimeKeepaliveCounter+=1};var _emscripten_set_main_loop_timing=(mode,value)=>{Browser.mainLoop.timingMode=mode;Browser.mainLoop.timingValue=value;if(!Browser.mainLoop.func){return 1}if(!Browser.mainLoop.running){runtimeKeepalivePush();Browser.mainLoop.running=true}if(mode==0){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_setTimeout(){var timeUntilNextTick=Math.max(0,Browser.mainLoop.tickStartTime+value-_emscripten_get_now())|0;setTimeout(Browser.mainLoop.runner,timeUntilNextTick)};Browser.mainLoop.method="timeout"}else if(mode==1){Browser.mainLoop.scheduler=function Browser_mainLoop_scheduler_rAF(){Browser.requestAnimationFrame(Browser.mainLoop.runner)};Browser.mainLoop.method="rAF"}else 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context={handle:handle,attributes:webGLContextAttributes,version:webGLContextAttributes.majorVersion,GLctx:ctx};if(ctx.canvas)ctx.canvas.GLctxObject=context;GL.contexts[handle]=context;if(typeof webGLContextAttributes.enableExtensionsByDefault=="undefined"||webGLContextAttributes.enableExtensionsByDefault){GL.initExtensions(context)}if(webGLContextAttributes.renderViaOffscreenBackBuffer)GL.createOffscreenFramebuffer(context);return handle},makeContextCurrent: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]&&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_ANGLE_instanced_arrays(GLctx);webgl_enable_OES_vertex_array_object(GLctx);webgl_enable_WEBGL_draw_buffers(GLctx);webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);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")}webgl_enable_WEBGL_multi_draw(GLctx);getEmscriptenSupportedExtensions(GLctx).forEach(ext=>{if(!ext.includes("lose_context")&&!ext.includes("debug")){GLctx.getExtension(ext)}})}};var _emscripten_webgl_do_commit_frame=()=>{if(!GL.currentContext||!GL.currentContext.GLctx){return-3}if(GL.currentContext.defaultFbo){GL.blitOffscreenFramebuffer(GL.currentContext);return 0}if(!GL.currentContext.attributes.explicitSwapControl){return-3}return 0};var _emscripten_webgl_commit_frame=_emscripten_webgl_do_commit_frame;var keepRuntimeAlive=()=>noExitRuntime||runtimeKeepaliveCounter>0;var _proc_exit=code=>{EXITSTATUS=code;if(!keepRuntimeAlive()){Module["onExit"]?.(code);ABORT=true}quit_(code,new ExitStatus(code))};var exitJS=(status,implicit)=>{EXITSTATUS=status;if(!keepRuntimeAlive()){exitRuntime()}_proc_exit(status)};var _exit=exitJS;var handleException=e=>{if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)};var maybeExit=()=>{if(runtimeExited){return}if(!keepRuntimeAlive()){try{_exit(EXITSTATUS)}catch(e){handleException(e)}}};var runtimeKeepalivePop=()=>{runtimeKeepaliveCounter-=1};var setMainLoop=(browserIterationFunc,fps,simulateInfiniteLoop,arg,noSetTiming)=>{Browser.mainLoop.func=browserIterationFunc;Browser.mainLoop.arg=arg;var thisMainLoopId=Browser.mainLoop.currentlyRunningMainloop;function checkIsRunning(){if(thisMainLoopId<Browser.mainLoop.currentlyRunningMainloop){runtimeKeepalivePop();maybeExit();return false}return true}Browser.mainLoop.running=false;Browser.mainLoop.runner=function Browser_mainLoop_runner(){if(ABORT)return;if(Browser.mainLoop.queue.length>0){var start=Date.now();var blocker=Browser.mainLoop.queue.shift();blocker.func(blocker.arg);if(Browser.mainLoop.remainingBlockers){var remaining=Browser.mainLoop.remainingBlockers;var next=remaining%1==0?remaining-1:Math.floor(remaining);if(blocker.counted){Browser.mainLoop.remainingBlockers=next}else{next=next+.5;Browser.mainLoop.remainingBlockers=(8*remaining+next)/9}}Browser.mainLoop.updateStatus();if(!checkIsRunning())return;setTimeout(Browser.mainLoop.runner,0);return}if(!checkIsRunning())return;Browser.mainLoop.currentFrameNumber=Browser.mainLoop.currentFrameNumber+1|0;if(Browser.mainLoop.timingMode==1&&Browser.mainLoop.timingValue>1&&Browser.mainLoop.currentFrameNumber%Browser.mainLoop.timingValue!=0){Browser.mainLoop.scheduler();return}else if(Browser.mainLoop.timingMode==0){Browser.mainLoop.tickStartTime=_emscripten_get_now()}Browser.mainLoop.runIter(browserIterationFunc);if(!checkIsRunning())return;if(typeof SDL=="object")SDL.audio?.queueNewAudioData?.();Browser.mainLoop.scheduler()};if(!noSetTiming){if(fps&&fps>0){_emscripten_set_main_loop_timing(0,1e3/fps)}else{_emscripten_set_main_loop_timing(1,1)}Browser.mainLoop.scheduler()}if(simulateInfiniteLoop){throw"unwind"}};var callUserCallback=func=>{if(runtimeExited||ABORT){return}try{func();maybeExit()}catch(e){handleException(e)}};var safeSetTimeout=(func,timeout)=>{runtimeKeepalivePush();return setTimeout(()=>{runtimeKeepalivePop();callUserCallback(func)},timeout)};var warnOnce=text=>{warnOnce.shown||={};if(!warnOnce.shown[text]){warnOnce.shown[text]=1;err(text)}};var Browser={mainLoop:{running:false,scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause(){Browser.mainLoop.scheduler=null;Browser.mainLoop.currentlyRunningMainloop++},resume(){Browser.mainLoop.currentlyRunningMainloop++;var timingMode=Browser.mainLoop.timingMode;var timingValue=Browser.mainLoop.timingValue;var func=Browser.mainLoop.func;Browser.mainLoop.func=null;setMainLoop(func,0,false,Browser.mainLoop.arg,true);_emscripten_set_main_loop_timing(timingMode,timingValue);Browser.mainLoop.scheduler()},updateStatus(){if(Module["setStatus"]){var message=Module["statusMessage"]||"Please wait...";var remaining=Browser.mainLoop.remainingBlockers;var expected=Browser.mainLoop.expectedBlockers;if(remaining){if(remaining<expected){Module["setStatus"](`{message} ({expected - remaining}/{expected})`)}else{Module["setStatus"](message)}}else{Module["setStatus"]("")}}},runIter(func){if(ABORT)return;if(Module["preMainLoop"]){var preRet=Module["preMainLoop"]();if(preRet===false){return}}callUserCallback(func);Module["postMainLoop"]?.()}},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init(){if(Browser.initted)return;Browser.initted=true;var imagePlugin={};imagePlugin["canHandle"]=function imagePlugin_canHandle(name){return!Module.noImageDecoding&&/\.(jpg|jpeg|png|bmp)$/i.test(name)};imagePlugin["handle"]=function imagePlugin_handle(byteArray,name,onload,onerror){var b=new Blob([byteArray],{type:Browser.getMimetype(name)});if(b.size!==byteArray.length){b=new Blob([new Uint8Array(byteArray).buffer],{type:Browser.getMimetype(name)})}var url=URL.createObjectURL(b);var img=new Image;img.onload=()=>{var canvas=document.createElement("canvas");canvas.width=img.width;canvas.height=img.height;var ctx=canvas.getContext("2d");ctx.drawImage(img,0,0);preloadedImages[name]=canvas;URL.revokeObjectURL(url);onload?.(byteArray)};img.onerror=event=>{err(`Image ${url} could not be decoded`);onerror?.()};img.src=url};preloadPlugins.push(imagePlugin);var audioPlugin={};audioPlugin["canHandle"]=function audioPlugin_canHandle(name){return!Module.noAudioDecoding&&name.substr(-4)in{".ogg":1,".wav":1,".mp3":1}};audioPlugin["handle"]=function audioPlugin_handle(byteArray,name,onload,onerror){var done=false;function finish(audio){if(done)return;done=true;preloadedAudios[name]=audio;onload?.(byteArray)}var b=new Blob([byteArray],{type:Browser.getMimetype(name)});var url=URL.createObjectURL(b);var audio=new Audio;audio.addEventListener("canplaythrough",()=>finish(audio),false);audio.onerror=function audio_onerror(event){if(done)return;err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);function encode64(data){var BASE="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var PAD="=";var ret="";var leftchar=0;var leftbits=0;for(var i=0;i<data.length;i++){leftchar=leftchar<<8|data[i];leftbits+=8;while(leftbits>=6){var curr=leftchar>>leftbits-6&63;leftbits-=6;ret+=BASE[curr]}}if(leftbits==2){ret+=BASE[(leftchar&3)<<4];ret+=PAD+PAD}else if(leftbits==4){ret+=BASE[(leftchar&15)<<2];ret+=PAD}return ret}audio.src="data:audio/x-"+name.substr(-3)+";base64,"+encode64(byteArray);finish(audio)};audio.src=url;safeSetTimeout(()=>{finish(audio)},1e4)};preloadPlugins.push(audioPlugin);function pointerLockChange(){Browser.pointerLock=document["pointerLockElement"]===Module["canvas"]||document["mozPointerLockElement"]===Module["canvas"]||document["webkitPointerLockElement"]===Module["canvas"]||document["msPointerLockElement"]===Module["canvas"]}var canvas=Module["canvas"];if(canvas){canvas.requestPointerLock=canvas["requestPointerLock"]||canvas["mozRequestPointerLock"]||canvas["webkitRequestPointerLock"]||canvas["msRequestPointerLock"]||(()=>{});canvas.exitPointerLock=document["exitPointerLock"]||document["mozExitPointerLock"]||document["webkitExitPointerLock"]||document["msExitPointerLock"]||(()=>{});canvas.exitPointerLock=canvas.exitPointerLock.bind(document);document.addEventListener("pointerlockchange",pointerLockChange,false);document.addEventListener("mozpointerlockchange",pointerLockChange,false);document.addEventListener("webkitpointerlockchange",pointerLockChange,false);document.addEventListener("mspointerlockchange",pointerLockChange,false);if(Module["elementPointerLock"]){canvas.addEventListener("click",ev=>{if(!Browser.pointerLock&&Module["canvas"].requestPointerLock){Module["canvas"].requestPointerLock();ev.preventDefault()}},false)}}},createContext(canvas,useWebGL,setInModule,webGLContextAttributes){if(useWebGL&&Module.ctx&&canvas==Module.canvas)return Module.ctx;var ctx;var contextHandle;if(useWebGL){var contextAttributes={antialias:false,alpha:false,majorVersion:typeof WebGL2RenderingContext!="undefined"?2:1};if(webGLContextAttributes){for(var attribute in webGLContextAttributes){contextAttributes[attribute]=webGLContextAttributes[attribute]}}if(typeof GL!="undefined"){contextHandle=GL.createContext(canvas,contextAttributes);if(contextHandle){ctx=GL.getContext(contextHandle).GLctx}}}else{ctx=canvas.getContext("2d")}if(!ctx)return null;if(setInModule){Module.ctx=ctx;if(useWebGL)GL.makeContextCurrent(contextHandle);Module.useWebGL=useWebGL;Browser.moduleContextCreatedCallbacks.forEach(callback=>callback());Browser.init()}return ctx},destroyContext(canvas,useWebGL,setInModule){},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen(lockPointer,resizeCanvas){Browser.lockPointer=lockPointer;Browser.resizeCanvas=resizeCanvas;if(typeof Browser.lockPointer=="undefined")Browser.lockPointer=true;if(typeof Browser.resizeCanvas=="undefined")Browser.resizeCanvas=false;var canvas=Module["canvas"];function fullscreenChange(){Browser.isFullscreen=false;var canvasContainer=canvas.parentNode;if((document["fullscreenElement"]||document["mozFullScreenElement"]||document["msFullscreenElement"]||document["webkitFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvasContainer){canvas.exitFullscreen=Browser.exitFullscreen;if(Browser.lockPointer)canvas.requestPointerLock();Browser.isFullscreen=true;if(Browser.resizeCanvas){Browser.setFullscreenCanvasSize()}else{Browser.updateCanvasDimensions(canvas)}}else{canvasContainer.parentNode.insertBefore(canvas,canvasContainer);canvasContainer.parentNode.removeChild(canvasContainer);if(Browser.resizeCanvas){Browser.setWindowedCanvasSize()}else{Browser.updateCanvasDimensions(canvas)}}Module["onFullScreen"]?.(Browser.isFullscreen);Module["onFullscreen"]?.(Browser.isFullscreen)}if(!Browser.fullscreenHandlersInstalled){Browser.fullscreenHandlersInstalled=true;document.addEventListener("fullscreenchange",fullscreenChange,false);document.addEventListener("mozfullscreenchange",fullscreenChange,false);document.addEventListener("webkitfullscreenchange",fullscreenChange,false);document.addEventListener("MSFullscreenChange",fullscreenChange,false)}var canvasContainer=document.createElement("div");canvas.parentNode.insertBefore(canvasContainer,canvas);canvasContainer.appendChild(canvas);canvasContainer.requestFullscreen=canvasContainer["requestFullscreen"]||canvasContainer["mozRequestFullScreen"]||canvasContainer["msRequestFullscreen"]||(canvasContainer["webkitRequestFullscreen"]?()=>canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]):null)||(canvasContainer["webkitRequestFullScreen"]?()=>canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]):null);canvasContainer.requestFullscreen()},exitFullscreen(){if(!Browser.isFullscreen){return false}var CFS=document["exitFullscreen"]||document["cancelFullScreen"]||document["mozCancelFullScreen"]||document["msExitFullscreen"]||document["webkitCancelFullScreen"]||(()=>{});CFS.apply(document,[]);return true},nextRAF:0,fakeRequestAnimationFrame(func){var now=Date.now();if(Browser.nextRAF===0){Browser.nextRAF=now+1e3/60}else{while(now+2>=Browser.nextRAF){Browser.nextRAF+=1e3/60}}var delay=Math.max(Browser.nextRAF-now,0);setTimeout(func,delay)},requestAnimationFrame(func){if(typeof requestAnimationFrame=="function"){requestAnimationFrame(func);return}var RAF=Browser.fakeRequestAnimationFrame;RAF(func)},safeSetTimeout(func,timeout){return safeSetTimeout(func,timeout)},safeRequestAnimationFrame(func){runtimeKeepalivePush();return Browser.requestAnimationFrame(()=>{runtimeKeepalivePop();callUserCallback(func)})},getMimetype(name){return{jpg:"image/jpeg",jpeg:"image/jpeg",png:"image/png",bmp:"image/bmp",ogg:"audio/ogg",wav:"audio/wav",mp3:"audio/mpeg"}[name.substr(name.lastIndexOf(".")+1)]},getUserMedia(func){window.getUserMedia||=navigator["getUserMedia"]||navigator["mozGetUserMedia"];window.getUserMedia(func)},getMovementX(event){return event["movementX"]||event["mozMovementX"]||event["webkitMovementX"]||0},getMovementY(event){return event["movementY"]||event["mozMovementY"]||event["webkitMovementY"]||0},getMouseWheelDelta(event){var delta=0;switch(event.type){case"DOMMouseScroll":delta=event.detail/3;break;case"mousewheel":delta=event.wheelDelta/120;break;case"wheel":delta=event.deltaY;switch(event.deltaMode){case 0:delta/=100;break;case 1:delta/=3;break;case 2:delta*=80;break;default:throw"unrecognized mouse wheel delta mode: "+event.deltaMode}break;default:throw"unrecognized mouse wheel event: "+event.type}return delta},mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseCoords(pageX,pageY){var rect=Module["canvas"].getBoundingClientRect();var cw=Module["canvas"].width;var ch=Module["canvas"].height;var scrollX=typeof window.scrollX!="undefined"?window.scrollX:window.pageXOffset;var scrollY=typeof window.scrollY!="undefined"?window.scrollY:window.pageYOffset;var adjustedX=pageX-(scrollX+rect.left);var adjustedY=pageY-(scrollY+rect.top);adjustedX=adjustedX*(cw/rect.width);adjustedY=adjustedY*(ch/rect.height);return{x:adjustedX,y:adjustedY}},setMouseCoords(pageX,pageY){const{x:x,y:y}=Browser.calculateMouseCoords(pageX,pageY);Browser.mouseMovementX=x-Browser.mouseX;Browser.mouseMovementY=y-Browser.mouseY;Browser.mouseX=x;Browser.mouseY=y},calculateMouseEvent(event){if(Browser.pointerLock){if(event.type!="mousemove"&&"mozMovementX"in event){Browser.mouseMovementX=Browser.mouseMovementY=0}else{Browser.mouseMovementX=Browser.getMovementX(event);Browser.mouseMovementY=Browser.getMovementY(event)}Browser.mouseX+=Browser.mouseMovementX;Browser.mouseY+=Browser.mouseMovementY}else{if(event.type==="touchstart"||event.type==="touchend"||event.type==="touchmove"){var touch=event.touch;if(touch===undefined){return}var coords=Browser.calculateMouseCoords(touch.pageX,touch.pageY);if(event.type==="touchstart"){Browser.lastTouches[touch.identifier]=coords;Browser.touches[touch.identifier]=coords}else if(event.type==="touchend"||event.type==="touchmove"){var last=Browser.touches[touch.identifier];last||=coords;Browser.lastTouches[touch.identifier]=last;Browser.touches[touch.identifier]=coords}return}Browser.setMouseCoords(event.pageX,event.pageY)}},resizeListeners:[],updateResizeListeners(){var canvas=Module["canvas"];Browser.resizeListeners.forEach(listener=>listener(canvas.width,canvas.height))},setCanvasSize(width,height,noUpdates){var canvas=Module["canvas"];Browser.updateCanvasDimensions(canvas,width,height);if(!noUpdates)Browser.updateResizeListeners()},windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize(){if(typeof SDL!="undefined"){var flags=HEAPU32[SDL.screen>>2];flags=flags|8388608;HEAP32[SDL.screen>>2]=flags}Browser.updateCanvasDimensions(Module["canvas"]);Browser.updateResizeListeners()},setWindowedCanvasSize(){if(typeof SDL!="undefined"){var flags=HEAPU32[SDL.screen>>2];flags=flags&~8388608;HEAP32[SDL.screen>>2]=flags}Browser.updateCanvasDimensions(Module["canvas"]);Browser.updateResizeListeners()},updateCanvasDimensions(canvas,wNative,hNative){if(wNative&&hNative){canvas.widthNative=wNative;canvas.heightNative=hNative}else{wNative=canvas.widthNative;hNative=canvas.heightNative}var w=wNative;var h=hNative;if(Module["forcedAspectRatio"]&&Module["forcedAspectRatio"]>0){if(w/h<Module["forcedAspectRatio"]){w=Math.round(h*Module["forcedAspectRatio"])}else{h=Math.round(w/Module["forcedAspectRatio"])}}if((document["fullscreenElement"]||document["mozFullScreenElement"]||document["msFullscreenElement"]||document["webkitFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvas.parentNode&&typeof screen!="undefined"){var factor=Math.min(screen.width/w,screen.height/h);w=Math.round(w*factor);h=Math.round(h*factor)}if(Browser.resizeCanvas){if(canvas.width!=w)canvas.width=w;if(canvas.height!=h)canvas.height=h;if(typeof canvas.style!="undefined"){canvas.style.removeProperty("width");canvas.style.removeProperty("height")}}else{if(canvas.width!=wNative)canvas.width=wNative;if(canvas.height!=hNative)canvas.height=hNative;if(typeof canvas.style!="undefined"){if(w!=wNative||h!=hNative){canvas.style.setProperty("width",w+"px","important");canvas.style.setProperty("height",h+"px","important")}else{canvas.style.removeProperty("width");canvas.style.removeProperty("height")}}}}};var _emscripten_cancel_main_loop=()=>{Browser.mainLoop.pause();Browser.mainLoop.func=null};var _emscripten_date_now=()=>Date.now();var _emscripten_force_exit=status=>{__emscripten_runtime_keepalive_clear();_exit(status)};var getHeapMax=()=>2147483648;var growMemory=size=>{var b=wasmMemory.buffer;var pages=(size-b.byteLength+65535)/65536;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}var alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=growMemory(newSize);if(replacement){return true}}return false};var JSEvents={removeAllEventListeners(){while(JSEvents.eventHandlers.length){JSEvents._removeHandler(JSEvents.eventHandlers.length-1)}JSEvents.deferredCalls=[]},registerRemoveEventListeners(){if(!JSEvents.removeEventListenersRegistered){__ATEXIT__.push(JSEvents.removeAllEventListeners);JSEvents.removeEventListenersRegistered=true}},inEventHandler:0,deferredCalls:[],deferCall(targetFunction,precedence,argsList){function arraysHaveEqualContent(arrA,arrB){if(arrA.length!=arrB.length)return false;for(var i in arrA){if(arrA[i]!=arrB[i])return false}return true}for(var call of JSEvents.deferredCalls){if(call.targetFunction==targetFunction&&arraysHaveEqualContent(call.argsList,argsList)){return}}JSEvents.deferredCalls.push({targetFunction:targetFunction,precedence:precedence,argsList:argsList});JSEvents.deferredCalls.sort((x,y)=>x.precedence<y.precedence)},removeDeferredCalls(targetFunction){JSEvents.deferredCalls=JSEvents.deferredCalls.filter(call=>call.targetFunction!=targetFunction)},canPerformEventHandlerRequests(){if(navigator.userActivation){return navigator.userActivation.isActive}return JSEvents.inEventHandler&&JSEvents.currentEventHandler.allowsDeferredCalls},runDeferredCalls(){if(!JSEvents.canPerformEventHandlerRequests()){return}var deferredCalls=JSEvents.deferredCalls;JSEvents.deferredCalls=[];for(var call of deferredCalls){call.targetFunction(...call.argsList)}},eventHandlers:[],removeAllHandlersOnTarget:(target,eventTypeString)=>{for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==target&&(!eventTypeString||eventTypeString==JSEvents.eventHandlers[i].eventTypeString)){JSEvents._removeHandler(i--)}}},_removeHandler(i){var h=JSEvents.eventHandlers[i];h.target.removeEventListener(h.eventTypeString,h.eventListenerFunc,h.useCapture);JSEvents.eventHandlers.splice(i,1)},registerOrRemoveHandler(eventHandler){if(!eventHandler.target){return-4}if(eventHandler.callbackfunc){eventHandler.eventListenerFunc=function(event){++JSEvents.inEventHandler;JSEvents.currentEventHandler=eventHandler;JSEvents.runDeferredCalls();eventHandler.handlerFunc(event);JSEvents.runDeferredCalls();--JSEvents.inEventHandler};eventHandler.target.addEventListener(eventHandler.eventTypeString,eventHandler.eventListenerFunc,eventHandler.useCapture);JSEvents.eventHandlers.push(eventHandler);JSEvents.registerRemoveEventListeners()}else{for(var i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==eventHandler.target&&JSEvents.eventHandlers[i].eventTypeString==eventHandler.eventTypeString){JSEvents._removeHandler(i--)}}}return 0},getNodeNameForTarget(target){if(!target)return"";if(target==window)return"#window";if(target==screen)return"#screen";return target?.nodeName||""},fullscreenEnabled(){return document.fullscreenEnabled||document.webkitFullscreenEnabled}};var maybeCStringToJsString=cString=>cString>2?UTF8ToString(cString):cString;var specialHTMLTargets=[0,typeof document!="undefined"?document:0,typeof window!="undefined"?window:0];var findEventTarget=target=>{target=maybeCStringToJsString(target);var domElement=specialHTMLTargets[target]||(typeof document!="undefined"?document.querySelector(target):undefined);return domElement};var findCanvasEventTarget=findEventTarget;var _emscripten_set_canvas_element_size=(target,width,height)=>{var canvas=findCanvasEventTarget(target);if(!canvas)return-4;canvas.width=width;canvas.height=height;if(canvas.GLctxObject)GL.resizeOffscreenFramebuffer(canvas.GLctxObject);return 0};var _emscripten_set_main_loop=(func,fps,simulateInfiniteLoop)=>{var browserIterationFunc=getWasmTableEntry(func);setMainLoop(browserIterationFunc,fps,simulateInfiniteLoop)};var webglPowerPreferences=["default","low-power","high-performance"];var _emscripten_webgl_do_create_context=(target,attributes)=>{var attr32=attributes>>2;var powerPreference=HEAP32[attr32+(8>>2)];var contextAttributes={alpha:!!HEAP8[attributes+0],depth:!!HEAP8[attributes+1],stencil:!!HEAP8[attributes+2],antialias:!!HEAP8[attributes+3],premultipliedAlpha:!!HEAP8[attributes+4],preserveDrawingBuffer:!!HEAP8[attributes+5],powerPreference:webglPowerPreferences[powerPreference],failIfMajorPerformanceCaveat:!!HEAP8[attributes+12],majorVersion:HEAP32[attr32+(16>>2)],minorVersion:HEAP32[attr32+(20>>2)],enableExtensionsByDefault:HEAP8[attributes+24],explicitSwapControl:HEAP8[attributes+25],proxyContextToMainThread:HEAP32[attr32+(28>>2)],renderViaOffscreenBackBuffer:HEAP8[attributes+32]};var canvas=findCanvasEventTarget(target);if(!canvas){return 0}if(contextAttributes.explicitSwapControl&&!contextAttributes.renderViaOffscreenBackBuffer){contextAttributes.renderViaOffscreenBackBuffer=true}var contextHandle=GL.createContext(canvas,contextAttributes);return contextHandle};var _emscripten_webgl_create_context=_emscripten_webgl_do_create_context;var _emscripten_webgl_destroy_context=contextHandle=>{if(GL.currentContext==contextHandle)GL.currentContext=0;GL.deleteContext(contextHandle)};var _emscripten_webgl_enable_extension=(contextHandle,extension)=>{var context=GL.getContext(contextHandle);var extString=UTF8ToString(extension);if(extString.startsWith("GL_"))extString=extString.substr(3);if(extString=="ANGLE_instanced_arrays")webgl_enable_ANGLE_instanced_arrays(GLctx);if(extString=="OES_vertex_array_object")webgl_enable_OES_vertex_array_object(GLctx);if(extString=="WEBGL_draw_buffers")webgl_enable_WEBGL_draw_buffers(GLctx);if(extString=="WEBGL_draw_instanced_base_vertex_base_instance")webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);if(extString=="WEBGL_multi_draw_instanced_base_vertex_base_instance")webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);if(extString=="WEBGL_multi_draw")webgl_enable_WEBGL_multi_draw(GLctx);var ext=context.GLctx.getExtension(extString);return!!ext};var stringToNewUTF8=str=>{var size=lengthBytesUTF8(str)+1;var ret=_malloc(size);if(ret)stringToUTF8(str,ret,size);return ret};var _emscripten_webgl_get_supported_extensions=()=>stringToNewUTF8(GLctx.getSupportedExtensions().join(" "));var _emscripten_webgl_make_context_current=contextHandle=>{var success=GL.makeContextCurrent(contextHandle);return success?0:-5};var ENV={};var getExecutableName=()=>thisProgram||"./this.program";var getEnvStrings=()=>{if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:lang,_:getExecutableName()};for(var x in ENV){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 stringToAscii=(str,buffer)=>{for(var i=0;i<str.length;++i){HEAP8[buffer++]=str.charCodeAt(i)}HEAP8[buffer]=0};var _environ_get=(__environ,environ_buf)=>{var bufSize=0;getEnvStrings().forEach((string,i)=>{var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;stringToAscii(string,ptr);bufSize+=string.length+1});return 0};var _environ_sizes_get=(penviron_count,penviron_buf_size)=>{var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(string=>bufSize+=string.length+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}}function _fd_fdstat_get(fd,pbuf){try{var rightsBase=0;var rightsInheriting=0;var flags=0;{var stream=SYSCALLS.getStreamFromFD(fd);var type=stream.tty?2:FS.isDir(stream.mode)?3:FS.isLink(stream.mode)?7:4}HEAP8[pbuf]=type;HEAP16[pbuf+2>>1]=flags;HEAP64[pbuf+8>>3]=BigInt(rightsBase);HEAP64[pbuf+16>>3]=BigInt(rightsInheriting);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(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 _getaddrinfo=(node,service,hint,out)=>{var addr=0;var port=0;var flags=0;var family=0;var type=0;var proto=0;var ai;function allocaddrinfo(family,type,proto,canon,addr,port){var sa,salen,ai;var errno;salen=family===10?28:16;addr=family===10?inetNtop6(addr):inetNtop4(addr);sa=_malloc(salen);errno=writeSockaddr(sa,family,addr,port);assert(!errno);ai=_malloc(32);HEAP32[ai+4>>2]=family;HEAP32[ai+8>>2]=type;HEAP32[ai+12>>2]=proto;HEAPU32[ai+24>>2]=canon;HEAPU32[ai+20>>2]=sa;if(family===10){HEAP32[ai+16>>2]=28}else{HEAP32[ai+16>>2]=16}HEAP32[ai+28>>2]=0;return ai}if(hint){flags=HEAP32[hint>>2];family=HEAP32[hint+4>>2];type=HEAP32[hint+8>>2];proto=HEAP32[hint+12>>2]}if(type&&!proto){proto=type===2?17:6}if(!type&&proto){type=proto===17?2:1}if(proto===0){proto=6}if(type===0){type=1}if(!node&&!service){return-2}if(flags&~(1|2|4|1024|8|16|32)){return-1}if(hint!==0&&HEAP32[hint>>2]&2&&!node){return-1}if(flags&32){return-2}if(type!==0&&type!==1&&type!==2){return-7}if(family!==0&&family!==2&&family!==10){return-6}if(service){service=UTF8ToString(service);port=parseInt(service,10);if(isNaN(port)){if(flags&1024){return-2}return-8}}if(!node){if(family===0){family=2}if((flags&1)===0){if(family===2){addr=_htonl(2130706433)}else{addr=[0,0,0,1]}}ai=allocaddrinfo(family,type,proto,null,addr,port);HEAPU32[out>>2]=ai;return 0}node=UTF8ToString(node);addr=inetPton4(node);if(addr!==null){if(family===0||family===2){family=2}else if(family===10&&flags&8){addr=[0,0,_htonl(65535),addr];family=10}else{return-2}}else{addr=inetPton6(node);if(addr!==null){if(family===0||family===10){family=10}else{return-2}}}if(addr!=null){ai=allocaddrinfo(family,type,proto,node,addr,port);HEAPU32[out>>2]=ai;return 0}if(flags&4){return-2}node=DNS.lookup_name(node);addr=inetPton4(node);if(family===0){family=2}else if(family===10){addr=[0,0,_htonl(65535),addr]}ai=allocaddrinfo(family,type,proto,null,addr,port);HEAPU32[out>>2]=ai;return 0};var _getnameinfo=(sa,salen,node,nodelen,serv,servlen,flags)=>{var info=readSockaddr(sa,salen);if(info.errno){return-6}var port=info.port;var addr=info.addr;var overflowed=false;if(node&&nodelen){var lookup;if(flags&1||!(lookup=DNS.lookup_addr(addr))){if(flags&8){return-2}}else{addr=lookup}var numBytesWrittenExclNull=stringToUTF8(addr,node,nodelen);if(numBytesWrittenExclNull+1>=nodelen){overflowed=true}}if(serv&&servlen){port=""+port;var numBytesWrittenExclNull=stringToUTF8(port,serv,servlen);if(numBytesWrittenExclNull+1>=servlen){overflowed=true}}if(overflowed){return-12}return 0};var _glActiveTexture=x0=>GLctx.activeTexture(x0);var _glAttachShader=(program,shader)=>{GLctx.attachShader(GL.programs[program],GL.shaders[shader])};var _glBeginTransformFeedback=x0=>GLctx.beginTransformFeedback(x0);var _glBindBuffer=(target,buffer)=>{if(target==35051){GLctx.currentPixelPackBufferBinding=buffer}else if(target==35052){GLctx.currentPixelUnpackBufferBinding=buffer}GLctx.bindBuffer(target,GL.buffers[buffer])};var _glBindBufferBase=(target,index,buffer)=>{GLctx.bindBufferBase(target,index,GL.buffers[buffer])};var _glBindBufferRange=(target,index,buffer,offset,ptrsize)=>{GLctx.bindBufferRange(target,index,GL.buffers[buffer],offset,ptrsize)};var _glBindFramebuffer=(target,framebuffer)=>{GLctx.bindFramebuffer(target,framebuffer?GL.framebuffers[framebuffer]:GL.currentContext.defaultFbo)};var _glBindRenderbuffer=(target,renderbuffer)=>{GLctx.bindRenderbuffer(target,GL.renderbuffers[renderbuffer])};var _glBindTexture=(target,texture)=>{GLctx.bindTexture(target,GL.textures[texture])};var _glBindVertexArray=vao=>{GLctx.bindVertexArray(GL.vaos[vao])};var _glBlendColor=(x0,x1,x2,x3)=>GLctx.blendColor(x0,x1,x2,x3);var _glBlendEquation=x0=>GLctx.blendEquation(x0);var _glBlendFunc=(x0,x1)=>GLctx.blendFunc(x0,x1);var _glBlendFuncSeparate=(x0,x1,x2,x3)=>GLctx.blendFuncSeparate(x0,x1,x2,x3);var _glBlitFramebuffer=(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9)=>GLctx.blitFramebuffer(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9);var _glBufferData=(target,size,data,usage)=>{if(GL.currentContext.version>=2){if(data&&size){GLctx.bufferData(target,HEAPU8,usage,data,size)}else{GLctx.bufferData(target,size,usage)}return}GLctx.bufferData(target,data?HEAPU8.subarray(data,data+size):size,usage)};var _glBufferSubData=(target,offset,size,data)=>{if(GL.currentContext.version>=2){size&&GLctx.bufferSubData(target,offset,HEAPU8,data,size);return}GLctx.bufferSubData(target,offset,HEAPU8.subarray(data,data+size))};var _glCheckFramebufferStatus=x0=>GLctx.checkFramebufferStatus(x0);var _glClear=x0=>GLctx.clear(x0);var _glClearBufferfv=(buffer,drawbuffer,value)=>{GLctx.clearBufferfv(buffer,drawbuffer,HEAPF32,value>>2)};var _glClearColor=(x0,x1,x2,x3)=>GLctx.clearColor(x0,x1,x2,x3);var _glClearDepthf=x0=>GLctx.clearDepth(x0);var _glColorMask=(red,green,blue,alpha)=>{GLctx.colorMask(!!red,!!green,!!blue,!!alpha)};var _glCompileShader=shader=>{GLctx.compileShader(GL.shaders[shader])};var _glCompressedTexImage2D=(target,level,internalFormat,width,height,border,imageSize,data)=>{if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding||!imageSize){GLctx.compressedTexImage2D(target,level,internalFormat,width,height,border,imageSize,data);return}GLctx.compressedTexImage2D(target,level,internalFormat,width,height,border,HEAPU8,data,imageSize);return}GLctx.compressedTexImage2D(target,level,internalFormat,width,height,border,data?HEAPU8.subarray(data,data+imageSize):null)};var _glCompressedTexImage3D=(target,level,internalFormat,width,height,depth,border,imageSize,data)=>{if(GLctx.currentPixelUnpackBufferBinding){GLctx.compressedTexImage3D(target,level,internalFormat,width,height,depth,border,imageSize,data)}else{GLctx.compressedTexImage3D(target,level,internalFormat,width,height,depth,border,HEAPU8,data,imageSize)}};var _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 _glCopyBufferSubData=(x0,x1,x2,x3,x4)=>GLctx.copyBufferSubData(x0,x1,x2,x3,x4);var _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 _glCreateShader=shaderType=>{var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id};var _glCullFace=x0=>GLctx.cullFace(x0);var _glDeleteBuffers=(n,buffers)=>{for(var i=0;i<n;i++){var id=HEAP32[buffers+i*4>>2];var buffer=GL.buffers[id];if(!buffer)continue;GLctx.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;if(id==GLctx.currentPixelPackBufferBinding)GLctx.currentPixelPackBufferBinding=0;if(id==GLctx.currentPixelUnpackBufferBinding)GLctx.currentPixelUnpackBufferBinding=0}};var _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 _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 _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 _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 _glDeleteShader=id=>{if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null};var _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 _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 _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 _glDepthFunc=x0=>GLctx.depthFunc(x0);var _glDepthMask=flag=>{GLctx.depthMask(!!flag)};var _glDisable=x0=>GLctx.disable(x0);var _glDisableVertexAttribArray=index=>{GLctx.disableVertexAttribArray(index)};var _glDrawArrays=(mode,first,count)=>{GLctx.drawArrays(mode,first,count)};var _glDrawArraysInstanced=(mode,first,count,primcount)=>{GLctx.drawArraysInstanced(mode,first,count,primcount)};var tempFixedLengthArray=[];var _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 _glDrawElements=(mode,count,type,indices)=>{GLctx.drawElements(mode,count,type,indices)};var _glDrawElementsInstanced=(mode,count,type,indices,primcount)=>{GLctx.drawElementsInstanced(mode,count,type,indices,primcount)};var _glEnable=x0=>GLctx.enable(x0);var _glEnableVertexAttribArray=index=>{GLctx.enableVertexAttribArray(index)};var _glEndTransformFeedback=()=>GLctx.endTransformFeedback();var _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 _glFinish=()=>GLctx.finish();var _glFramebufferRenderbuffer=(target,attachment,renderbuffertarget,renderbuffer)=>{GLctx.framebufferRenderbuffer(target,attachment,renderbuffertarget,GL.renderbuffers[renderbuffer])};var _glFramebufferTexture2D=(target,attachment,textarget,texture,level)=>{GLctx.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level)};var _glFramebufferTextureLayer=(target,attachment,texture,level,layer)=>{GLctx.framebufferTextureLayer(target,attachment,GL.textures[texture],level,layer)};var _glFrontFace=x0=>GLctx.frontFace(x0);var _glGenBuffers=(n,buffers)=>{GL.genObject(n,buffers,"createBuffer",GL.buffers)};var _glGenFramebuffers=(n,ids)=>{GL.genObject(n,ids,"createFramebuffer",GL.framebuffers)};var _glGenQueries=(n,ids)=>{GL.genObject(n,ids,"createQuery",GL.queries)};var _glGenRenderbuffers=(n,renderbuffers)=>{GL.genObject(n,renderbuffers,"createRenderbuffer",GL.renderbuffers)};var _glGenTextures=(n,textures)=>{GL.genObject(n,textures,"createTexture",GL.textures)};var _glGenVertexArrays=(n,arrays)=>{GL.genObject(n,arrays,"createVertexArray",GL.vaos)};var _glGenerateMipmap=x0=>GLctx.generateMipmap(x0);var writeI53ToI64=(ptr,num)=>{HEAPU32[ptr>>2]=num;var lower=HEAPU32[ptr>>2];HEAPU32[ptr+4>>2]=(num-lower)/4294967296};var webglGetExtensions=function $webglGetExtensions(){var exts=getEmscriptenSupportedExtensions(GLctx);exts=exts.concat(exts.map(e=>"GL_"+e));return exts};var emscriptenWebGLGet=(name_,p,type)=>{if(!p){GL.recordError(1281);return}var ret=undefined;switch(name_){case 36346:ret=1;break;case 36344:if(type!=0&&type!=1){GL.recordError(1280)}return;case 34814:case 36345:ret=0;break;case 34466:var formats=GLctx.getParameter(34467);ret=formats?formats.length:0;break;case 33309:if(GL.currentContext.version<2){GL.recordError(1282);return}ret=webglGetExtensions().length;break;case 33307:case 33308:if(GL.currentContext.version<2){GL.recordError(1280);return}ret=name_==33307?3:0;break}if(ret===undefined){var result=GLctx.getParameter(name_);switch(typeof result){case"number":ret=result;break;case"boolean":ret=result?1:0;break;case"string":GL.recordError(1280);return;case"object":if(result===null){switch(name_){case 34964:case 35725:case 34965:case 36006:case 36007:case 32873:case 34229:case 36662:case 36663:case 35053:case 35055:case 36010:case 35097:case 35869:case 32874:case 36389:case 35983:case 35368:case 34068:{ret=0;break}default:{GL.recordError(1280);return}}}else if(result instanceof Float32Array||result instanceof Uint32Array||result instanceof Int32Array||result instanceof Array){for(var i=0;i<result.length;++i){switch(type){case 0:HEAP32[p+i*4>>2]=result[i];break;case 2:HEAPF32[p+i*4>>2]=result[i];break;case 4:HEAP8[p+i]=result[i]?1:0;break}}return}else{try{ret=result.name|0}catch(e){GL.recordError(1280);err(`GL_INVALID_ENUM in glGet${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 _glGetFloatv=(name_,p)=>emscriptenWebGLGet(name_,p,2);var _glGetInteger64v=(name_,p)=>{emscriptenWebGLGet(name_,p,1)};var _glGetIntegerv=(name_,p)=>emscriptenWebGLGet(name_,p,0);var _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 _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){for(var i=0;i<GLctx.getProgramParameter(program,35718);++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){for(var i=0;i<GLctx.getProgramParameter(program,35721);++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){for(var i=0;i<GLctx.getProgramParameter(program,35382);++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 _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 _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 _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 glVersion=GLctx.getParameter(7938);if(GL.currentContext.version>=2)glVersion=`OpenGL ES 3.0 (${glVersion})`;else{glVersion=`OpenGL ES 2.0 (${glVersion})`}ret=stringToNewUTF8(glVersion);break;case 35724:var glslVersion=GLctx.getParameter(35724);var ver_re=/^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;var ver_num=glslVersion.match(ver_re);if(ver_num!==null){if(ver_num[1].length==3)ver_num[1]=ver_num[1]+"0";glslVersion=`OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`}ret=stringToNewUTF8(glslVersion);break;default:GL.recordError(1280)}GL.stringCache[name_]=ret}return ret};var _glGetSynciv=(sync,pname,bufSize,length,values)=>{if(bufSize<0){GL.recordError(1281);return}if(!values){GL.recordError(1281);return}var ret=GLctx.getSyncParameter(GL.syncs[sync],pname);if(ret!==null){HEAP32[values>>2]=ret;if(length)HEAP32[length>>2]=1}};var _glGetUniformBlockIndex=(program,uniformBlockName)=>GLctx.getUniformBlockIndex(GL.programs[program],UTF8ToString(uniformBlockName));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={};for(i=0;i<GLctx.getProgramParameter(program,35718);++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 _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 _glLinkProgram=program=>{program=GL.programs[program];GLctx.linkProgram(program);program.uniformLocsById=0;program.uniformSizeAndIdsByName={}};var _glPixelStorei=(pname,param)=>{if(pname==3317){GL.unpackAlignment=param}else if(pname==3314){GL.unpackRowLength=param}GLctx.pixelStorei(pname,param)};var _glReadBuffer=x0=>GLctx.readBuffer(x0);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 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 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 _glReadPixels=(x,y,width,height,format,type,pixels)=>{if(GL.currentContext.version>=2){if(GLctx.currentPixelPackBufferBinding){GLctx.readPixels(x,y,width,height,format,type,pixels);return}var heap=heapObjectForWebGLType(type);var target=toTypedArrayIndex(pixels,heap);GLctx.readPixels(x,y,width,height,format,type,heap,target);return}var pixelData=emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,format);if(!pixelData){GL.recordError(1280);return}GLctx.readPixels(x,y,width,height,format,type,pixelData)};var _glRenderbufferStorage=(x0,x1,x2,x3)=>GLctx.renderbufferStorage(x0,x1,x2,x3);var _glRenderbufferStorageMultisample=(x0,x1,x2,x3,x4)=>GLctx.renderbufferStorageMultisample(x0,x1,x2,x3,x4);var _glScissor=(x0,x1,x2,x3)=>GLctx.scissor(x0,x1,x2,x3);var _glShaderSource=(shader,count,string,length)=>{var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)};var _glTexImage2D=(target,level,internalFormat,width,height,border,format,type,pixels)=>{if(GL.currentContext.version>=2){if(GLctx.currentPixelUnpackBufferBinding){GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels);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 _glTexImage3D=(target,level,internalFormat,width,height,depth,border,format,type,pixels)=>{if(GLctx.currentPixelUnpackBufferBinding){GLctx.texImage3D(target,level,internalFormat,width,height,depth,border,format,type,pixels)}else if(pixels){var heap=heapObjectForWebGLType(type);GLctx.texImage3D(target,level,internalFormat,width,height,depth,border,format,type,heap,toTypedArrayIndex(pixels,heap))}else{GLctx.texImage3D(target,level,internalFormat,width,height,depth,border,format,type,null)}};var _glTexParameterf=(x0,x1,x2)=>GLctx.texParameterf(x0,x1,x2);var _glTexParameteri=(x0,x1,x2)=>GLctx.texParameteri(x0,x1,x2);var _glTexStorage2D=(x0,x1,x2,x3,x4)=>GLctx.texStorage2D(x0,x1,x2,x3,x4);var _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 _glTransformFeedbackVaryings=(program,count,varyings,bufferMode)=>{program=GL.programs[program];var vars=[];for(var i=0;i<count;i++)vars.push(UTF8ToString(HEAP32[varyings+i*4>>2]));GLctx.transformFeedbackVaryings(program,vars,bufferMode)};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 _glUniform1f=(location,v0)=>{GLctx.uniform1f(webglGetUniformLocation(location),v0)};var _glUniform1i=(location,v0)=>{GLctx.uniform1i(webglGetUniformLocation(location),v0)};var miniTempWebGLIntBuffers=[];var _glUniform1iv=(location,count,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniform1iv(webglGetUniformLocation(location),HEAP32,value>>2,count);return}if(count<=288){var view=miniTempWebGLIntBuffers[count];for(var i=0;i<count;++i){view[i]=HEAP32[value+4*i>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*4>>2)}GLctx.uniform1iv(webglGetUniformLocation(location),view)};var _glUniform1ui=(location,v0)=>{GLctx.uniform1ui(webglGetUniformLocation(location),v0)};var _glUniform1uiv=(location,count,value)=>{count&&GLctx.uniform1uiv(webglGetUniformLocation(location),HEAPU32,value>>2,count)};var _glUniform2f=(location,v0,v1)=>{GLctx.uniform2f(webglGetUniformLocation(location),v0,v1)};var miniTempWebGLFloatBuffers=[];var _glUniform2fv=(location,count,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniform2fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*2);return}if(count<=144){var view=miniTempWebGLFloatBuffers[2*count];for(var i=0;i<2*count;i+=2){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2fv(webglGetUniformLocation(location),view)};var _glUniform2iv=(location,count,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniform2iv(webglGetUniformLocation(location),HEAP32,value>>2,count*2);return}if(count<=144){var view=miniTempWebGLIntBuffers[2*count];for(var i=0;i<2*count;i+=2){view[i]=HEAP32[value+4*i>>2];view[i+1]=HEAP32[value+(4*i+4)>>2]}}else{var view=HEAP32.subarray(value>>2,value+count*8>>2)}GLctx.uniform2iv(webglGetUniformLocation(location),view)};var _glUniform3fv=(location,count,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniform3fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*3);return}if(count<=96){var view=miniTempWebGLFloatBuffers[3*count];for(var i=0;i<3*count;i+=3){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*12>>2)}GLctx.uniform3fv(webglGetUniformLocation(location),view)};var _glUniform4f=(location,v0,v1,v2,v3)=>{GLctx.uniform4f(webglGetUniformLocation(location),v0,v1,v2,v3)};var _glUniform4fv=(location,count,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniform4fv(webglGetUniformLocation(location),HEAPF32,value>>2,count*4);return}if(count<=72){var view=miniTempWebGLFloatBuffers[4*count];var heap=HEAPF32;value=value>>2;for(var i=0;i<4*count;i+=4){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3]}}else{var view=HEAPF32.subarray(value>>2,value+count*16>>2)}GLctx.uniform4fv(webglGetUniformLocation(location),view)};var _glUniformBlockBinding=(program,uniformBlockIndex,uniformBlockBinding)=>{program=GL.programs[program];GLctx.uniformBlockBinding(program,uniformBlockIndex,uniformBlockBinding)};var _glUniformMatrix3fv=(location,count,transpose,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniformMatrix3fv(webglGetUniformLocation(location),!!transpose,HEAPF32,value>>2,count*9);return}if(count<=32){var view=miniTempWebGLFloatBuffers[9*count];for(var i=0;i<9*count;i+=9){view[i]=HEAPF32[value+4*i>>2];view[i+1]=HEAPF32[value+(4*i+4)>>2];view[i+2]=HEAPF32[value+(4*i+8)>>2];view[i+3]=HEAPF32[value+(4*i+12)>>2];view[i+4]=HEAPF32[value+(4*i+16)>>2];view[i+5]=HEAPF32[value+(4*i+20)>>2];view[i+6]=HEAPF32[value+(4*i+24)>>2];view[i+7]=HEAPF32[value+(4*i+28)>>2];view[i+8]=HEAPF32[value+(4*i+32)>>2]}}else{var view=HEAPF32.subarray(value>>2,value+count*36>>2)}GLctx.uniformMatrix3fv(webglGetUniformLocation(location),!!transpose,view)};var _glUniformMatrix4fv=(location,count,transpose,value)=>{if(GL.currentContext.version>=2){count&&GLctx.uniformMatrix4fv(webglGetUniformLocation(location),!!transpose,HEAPF32,value>>2,count*16);return}if(count<=18){var view=miniTempWebGLFloatBuffers[16*count];var heap=HEAPF32;value=value>>2;for(var i=0;i<16*count;i+=16){var dst=value+i;view[i]=heap[dst];view[i+1]=heap[dst+1];view[i+2]=heap[dst+2];view[i+3]=heap[dst+3];view[i+4]=heap[dst+4];view[i+5]=heap[dst+5];view[i+6]=heap[dst+6];view[i+7]=heap[dst+7];view[i+8]=heap[dst+8];view[i+9]=heap[dst+9];view[i+10]=heap[dst+10];view[i+11]=heap[dst+11];view[i+12]=heap[dst+12];view[i+13]=heap[dst+13];view[i+14]=heap[dst+14];view[i+15]=heap[dst+15]}}else{var view=HEAPF32.subarray(value>>2,value+count*64>>2)}GLctx.uniformMatrix4fv(webglGetUniformLocation(location),!!transpose,view)};var _glUseProgram=program=>{program=GL.programs[program];GLctx.useProgram(program);GLctx.currentProgram=program};var _glVertexAttrib4f=(x0,x1,x2,x3,x4)=>GLctx.vertexAttrib4f(x0,x1,x2,x3,x4);var _glVertexAttribDivisor=(index,divisor)=>{GLctx.vertexAttribDivisor(index,divisor)};var _glVertexAttribI4ui=(x0,x1,x2,x3,x4)=>GLctx.vertexAttribI4ui(x0,x1,x2,x3,x4);var _glVertexAttribIPointer=(index,size,type,stride,ptr)=>{GLctx.vertexAttribIPointer(index,size,type,stride,ptr)};var _glVertexAttribPointer=(index,size,type,normalized,stride,ptr)=>{GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)};var _glViewport=(x0,x1,x2,x3)=>GLctx.viewport(x0,x1,x2,x3);var GodotRuntime={get_func:function(ptr){return wasmTable.get(ptr)},error:function(){err.apply(null,Array.from(arguments))},print:function(){out.apply(null,Array.from(arguments))},malloc:function(p_size){return _malloc(p_size)},free:function(p_ptr){_free(p_ptr)},getHeapValue:function(p_ptr,p_type){return getValue(p_ptr,p_type)},setHeapValue:function(p_ptr,p_value,p_type){setValue(p_ptr,p_value,p_type)},heapSub:function(p_heap,p_ptr,p_len){const bytes=p_heap.BYTES_PER_ELEMENT;return p_heap.subarray(p_ptr/bytes,p_ptr/bytes+p_len)},heapSlice:function(p_heap,p_ptr,p_len){const bytes=p_heap.BYTES_PER_ELEMENT;return p_heap.slice(p_ptr/bytes,p_ptr/bytes+p_len)},heapCopy:function(p_dst,p_src,p_ptr){const bytes=p_src.BYTES_PER_ELEMENT;return p_dst.set(p_src,p_ptr/bytes)},parseString:function(p_ptr){return UTF8ToString(p_ptr)},parseStringArray:function(p_ptr,p_size){const strings=[];const ptrs=GodotRuntime.heapSub(HEAP32,p_ptr,p_size);ptrs.forEach(function(ptr){strings.push(GodotRuntime.parseString(ptr))});return strings},strlen:function(p_str){return lengthBytesUTF8(p_str)},allocString:function(p_str){const length=GodotRuntime.strlen(p_str)+1;const c_str=GodotRuntime.malloc(length);stringToUTF8(p_str,c_str,length);return c_str},allocStringArray:function(p_strings){const size=p_strings.length;const c_ptr=GodotRuntime.malloc(size*4);for(let i=0;i<size;i++){HEAP32[(c_ptr>>2)+i]=GodotRuntime.allocString(p_strings[i])}return c_ptr},freeStringArray:function(p_ptr,p_len){for(let i=0;i<p_len;i++){GodotRuntime.free(HEAP32[(p_ptr>>2)+i])}GodotRuntime.free(p_ptr)},stringToHeap:function(p_str,p_ptr,p_len){return stringToUTF8Array(p_str,HEAP8,p_ptr,p_len)}};var GodotConfig={canvas:null,locale:"en",canvas_resize_policy:2,virtual_keyboard:false,persistent_drops:false,on_execute:null,on_exit:null,init_config:function(p_opts){GodotConfig.canvas_resize_policy=p_opts["canvasResizePolicy"];GodotConfig.canvas=p_opts["canvas"];GodotConfig.locale=p_opts["locale"]||GodotConfig.locale;GodotConfig.virtual_keyboard=p_opts["virtualKeyboard"];GodotConfig.persistent_drops=!!p_opts["persistentDrops"];GodotConfig.on_execute=p_opts["onExecute"];GodotConfig.on_exit=p_opts["onExit"];if(p_opts["focusCanvas"]){GodotConfig.canvas.focus()}},locate_file:function(file){return Module["locateFile"](file)},clear:function(){GodotConfig.canvas=null;GodotConfig.locale="en";GodotConfig.canvas_resize_policy=2;GodotConfig.virtual_keyboard=false;GodotConfig.persistent_drops=false;GodotConfig.on_execute=null;GodotConfig.on_exit=null}};var GodotFS={ENOENT:44,_idbfs:false,_syncing:false,_mount_points:[],is_persistent:function(){return GodotFS._idbfs?1:0},init:function(persistentPaths){GodotFS._idbfs=false;if(!Array.isArray(persistentPaths)){return Promise.reject(new Error("Persistent paths must be an array"))}if(!persistentPaths.length){return Promise.resolve()}GodotFS._mount_points=persistentPaths.slice();function createRecursive(dir){try{FS.stat(dir)}catch(e){if(e.errno!==GodotFS.ENOENT){GodotRuntime.error(e)}FS.mkdirTree(dir)}}GodotFS._mount_points.forEach(function(path){createRecursive(path);FS.mount(IDBFS,{},path)});return new Promise(function(resolve,reject){FS.syncfs(true,function(err){if(err){GodotFS._mount_points=[];GodotFS._idbfs=false;GodotRuntime.print(`IndexedDB not available: ${err.message}`)}else{GodotFS._idbfs=true}resolve(err)})})},deinit:function(){GodotFS._mount_points.forEach(function(path){try{FS.unmount(path)}catch(e){GodotRuntime.print("Already unmounted",e)}if(GodotFS._idbfs&&IDBFS.dbs[path]){IDBFS.dbs[path].close();delete IDBFS.dbs[path]}});GodotFS._mount_points=[];GodotFS._idbfs=false;GodotFS._syncing=false},sync:function(){if(GodotFS._syncing){GodotRuntime.error("Already syncing!");return Promise.resolve()}GodotFS._syncing=true;return new Promise(function(resolve,reject){FS.syncfs(false,function(error){if(error){GodotRuntime.error(`Failed to save IDB file system: ${error.message}`)}GodotFS._syncing=false;resolve(error)})})},copy_to_fs:function(path,buffer){const idx=path.lastIndexOf("/");let dir="/";if(idx>0){dir=path.slice(0,idx)}try{FS.stat(dir)}catch(e){if(e.errno!==GodotFS.ENOENT){GodotRuntime.error(e)}FS.mkdirTree(dir)}FS.writeFile(path,new Uint8Array(buffer))}};var GodotOS={request_quit:function(){},_async_cbs:[],_fs_sync_promise:null,atexit:function(p_promise_cb){GodotOS._async_cbs.push(p_promise_cb)},cleanup:function(exit_code){const cb=GodotConfig.on_exit;GodotFS.deinit();GodotConfig.clear();if(cb){cb(exit_code)}},finish_async:function(callback){GodotOS._fs_sync_promise.then(function(err){const promises=[];GodotOS._async_cbs.forEach(function(cb){promises.push(new Promise(cb))});return Promise.all(promises)}).then(function(){return GodotFS.sync()}).then(function(err){setTimeout(function(){callback()},0)})}};var GodotAudio={MAX_VOLUME_CHANNELS:8,GodotChannel:{CHANNEL_L:0,CHANNEL_R:1,CHANNEL_C:3,CHANNEL_LFE:4,CHANNEL_RL:5,CHANNEL_RR:6,CHANNEL_SL:7,CHANNEL_SR:8},WebChannel:{CHANNEL_L:0,CHANNEL_R:1,CHANNEL_SL:2,CHANNEL_SR:3,CHANNEL_C:4,CHANNEL_LFE:5},samples:null,Sample:class Sample{static getSample(id){if(!GodotAudio.samples.has(id)){throw new ReferenceError(`Could not find sample "${id}"`)}return GodotAudio.samples.get(id)}static getSampleOrNull(id){return GodotAudio.samples.get(id)??null}static create(params,options={}){const sample=new GodotAudio.Sample(params,options);GodotAudio.samples.set(params.id,sample);return sample}static delete(id){GodotAudio.samples.delete(id)}constructor(params,options={}){this.id=params.id;this._audioBuffer=null;this.numberOfChannels=options.numberOfChannels??2;this.sampleRate=options.sampleRate??44100;this.loopMode=options.loopMode??"disabled";this.loopBegin=options.loopBegin??0;this.loopEnd=options.loopEnd??0;this.setAudioBuffer(params.audioBuffer)}getAudioBuffer(){return this._duplicateAudioBuffer()}setAudioBuffer(val){this._audioBuffer=val}clear(){this.setAudioBuffer(null);GodotAudio.Sample.delete(this.id)}_duplicateAudioBuffer(){if(this._audioBuffer==null){throw new Error("couldn't duplicate a null audioBuffer")}const channels=new Array(this._audioBuffer.numberOfChannels);for(let i=0;i<this._audioBuffer.numberOfChannels;i++){const channel=new Float32Array(this._audioBuffer.getChannelData(i));channels[i]=channel}const buffer=GodotAudio.ctx.createBuffer(this.numberOfChannels,this._audioBuffer.length,this._audioBuffer.sampleRate);for(let i=0;i<channels.length;i++){buffer.copyToChannel(channels[i],i,0)}return buffer}},SampleNodeBus:class SampleNodeBus{static create(bus){return new GodotAudio.SampleNodeBus(bus)}constructor(bus){const NUMBER_OF_WEB_CHANNELS=6;this._bus=bus;this._channelSplitter=GodotAudio.ctx.createChannelSplitter(NUMBER_OF_WEB_CHANNELS);this._l=GodotAudio.ctx.createGain();this._r=GodotAudio.ctx.createGain();this._sl=GodotAudio.ctx.createGain();this._sr=GodotAudio.ctx.createGain();this._c=GodotAudio.ctx.createGain();this._lfe=GodotAudio.ctx.createGain();this._channelMerger=GodotAudio.ctx.createChannelMerger(NUMBER_OF_WEB_CHANNELS);this._channelSplitter.connect(this._l,GodotAudio.WebChannel.CHANNEL_L).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_L);this._channelSplitter.connect(this._r,GodotAudio.WebChannel.CHANNEL_R).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_R);this._channelSplitter.connect(this._sl,GodotAudio.WebChannel.CHANNEL_SL).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_SL);this._channelSplitter.connect(this._sr,GodotAudio.WebChannel.CHANNEL_SR).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_SR);this._channelSplitter.connect(this._c,GodotAudio.WebChannel.CHANNEL_C).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_C);this._channelSplitter.connect(this._lfe,GodotAudio.WebChannel.CHANNEL_L).connect(this._channelMerger,GodotAudio.WebChannel.CHANNEL_L,GodotAudio.WebChannel.CHANNEL_LFE);this._channelMerger.connect(this._bus.getInputNode())}getInputNode(){return this._channelSplitter}getOutputNode(){return this._channelMerger}setVolume(volume){if(volume.length!==GodotAudio.MAX_VOLUME_CHANNELS){throw new Error(`Volume length isn't "${GodotAudio.MAX_VOLUME_CHANNELS}", is ${volume.length} instead`)}this._l.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_L]??0;this._r.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_R]??0;this._sl.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_SL]??0;this._sr.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_SR]??0;this._c.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_C]??0;this._lfe.gain.value=volume[GodotAudio.GodotChannel.CHANNEL_LFE]??0}clear(){this._bus=null;this._channelSplitter.disconnect();this._channelSplitter=null;this._l.disconnect();this._l=null;this._r.disconnect();this._r=null;this._sl.disconnect();this._sl=null;this._sr.disconnect();this._sr=null;this._c.disconnect();this._c=null;this._lfe.disconnect();this._lfe=null;this._channelMerger.disconnect();this._channelMerger=null}},sampleNodes:null,SampleNode:class SampleNode{static getSampleNode(id){if(!GodotAudio.sampleNodes.has(id)){throw new ReferenceError(`Could not find sample node "${id}"`)}return GodotAudio.sampleNodes.get(id)}static getSampleNodeOrNull(id){return GodotAudio.sampleNodes.get(id)??null}static stopSampleNode(id){const sampleNode=GodotAudio.SampleNode.getSampleNodeOrNull(id);if(sampleNode==null){return}sampleNode.stop()}static pauseSampleNode(id,enable){const sampleNode=GodotAudio.SampleNode.getSampleNodeOrNull(id);if(sampleNode==null){return}sampleNode.pause(enable)}static create(params,options={}){const sampleNode=new GodotAudio.SampleNode(params,options);GodotAudio.sampleNodes.set(params.id,sampleNode);return sampleNode}static delete(id){GodotAudio.sampleNodes.delete(id)}constructor(params,options={}){this.id=params.id;this.streamObjectId=params.streamObjectId;this.offset=options.offset??0;this.startTime=options.startTime??0;this.isPaused=false;this.pauseTime=0;this._playbackRate=44100;this.loopMode=options.loopMode??this.getSample().loopMode??"disabled";this._pitchScale=1;this._sourceStartTime=0;this._sampleNodeBuses=new Map;this._source=GodotAudio.ctx.createBufferSource();this._onended=null;this.setPlaybackRate(options.playbackRate??44100);this._source.buffer=this.getSample().getAudioBuffer();this._addEndedListener();const bus=GodotAudio.Bus.getBus(params.busIndex);const sampleNodeBus=this.getSampleNodeBus(bus);sampleNodeBus.setVolume(options.volume)}getPlaybackRate(){return this._playbackRate}setPlaybackRate(val){this._playbackRate=val;this._syncPlaybackRate()}getPitchScale(){return this._pitchScale}setPitchScale(val){this._pitchScale=val;this._syncPlaybackRate()}getSample(){return GodotAudio.Sample.getSample(this.streamObjectId)}getOutputNode(){return this._source}start(){this._resetSourceStartTime();this._source.start(this.startTime,this.offset)}stop(){this.clear()}restart(){this.isPaused=false;this.pauseTime=0;this._resetSourceStartTime();this._restart()}pause(enable=true){if(enable){this._pause();return}this._unpause()}connect(node){return this.getOutputNode().connect(node)}setVolumes(buses,volumes){for(let busIdx=0;busIdx<buses.length;busIdx++){const sampleNodeBus=this.getSampleNodeBus(buses[busIdx]);sampleNodeBus.setVolume(volumes.slice(busIdx*GodotAudio.MAX_VOLUME_CHANNELS,busIdx*GodotAudio.MAX_VOLUME_CHANNELS+GodotAudio.MAX_VOLUME_CHANNELS))}}getSampleNodeBus(bus){if(!this._sampleNodeBuses.has(bus)){const sampleNodeBus=GodotAudio.SampleNodeBus.create(bus);this._sampleNodeBuses.set(bus,sampleNodeBus);this._source.connect(sampleNodeBus.getInputNode())}return this._sampleNodeBuses.get(bus)}clear(){this.isPaused=false;this.pauseTime=0;if(this._source!=null){this._source.removeEventListener("ended",this._onended);this._onended=null;this._source.stop();this._source.disconnect();this._source=null}for(const sampleNodeBus of this._sampleNodeBuses.values()){sampleNodeBus.clear()}this._sampleNodeBuses.clear();GodotAudio.SampleNode.delete(this.id)}_resetSourceStartTime(){this._sourceStartTime=GodotAudio.ctx.currentTime}_syncPlaybackRate(){this._source.playbackRate.value=this.getPlaybackRate()*this.getPitchScale()}_restart(){if(this._source!=null){this._source.disconnect()}this._source=GodotAudio.ctx.createBufferSource();this._source.buffer=this.getSample().getAudioBuffer();for(const sampleNodeBus of this._sampleNodeBuses.values()){this.connect(sampleNodeBus.getInputNode())}this._addEndedListener();const pauseTime=this.isPaused?this.pauseTime:0;this._source.start(this.startTime,this.offset+pauseTime)}_pause(){this.isPaused=true;this.pauseTime=(GodotAudio.ctx.currentTime-this._sourceStartTime)/this.getPlaybackRate();this._source.stop()}_unpause(){this._restart();this.isPaused=false;this.pauseTime=0}_addEndedListener(){if(this._onended!=null){this._source.removeEventListener("ended",this._onended)}const self=this;this._onended=_=>{if(self.isPaused){return}switch(self.getSample().loopMode){case"disabled":{const id=this.id;self.stop();if(GodotAudio.sampleFinishedCallback!=null){const idCharPtr=GodotRuntime.allocString(id);GodotAudio.sampleFinishedCallback(idCharPtr);GodotRuntime.free(idCharPtr)}}break;case"forward":case"backward":self.restart();break;default:}};this._source.addEventListener("ended",this._onended)}},buses:null,busSolo:null,Bus:class Bus{static getCount(){return GodotAudio.buses.length}static setCount(val){const buses=GodotAudio.buses;if(val===buses.length){return}if(val<buses.length){const deletedBuses=buses.slice(val);for(let i=0;i<deletedBuses.length;i++){const deletedBus=deletedBuses[i];deletedBus.clear()}GodotAudio.buses=buses.slice(0,val);return}for(let i=GodotAudio.buses.length;i<val;i++){GodotAudio.Bus.create()}}static getBus(index){if(index<0||index>=GodotAudio.buses.length){throw new ReferenceError(`invalid bus index "${index}"`)}return GodotAudio.buses[index]}static getBusOrNull(index){if(index<0||index>=GodotAudio.buses.length){return null}return GodotAudio.buses[index]}static move(fromIndex,toIndex){const movedBus=GodotAudio.Bus.getBus(fromIndex);const buses=GodotAudio.buses.filter((_,i)=>i!==fromIndex);buses.splice(toIndex-1,0,movedBus);GodotAudio.buses=buses}static addAt(index){const newBus=GodotAudio.Bus.create();if(index!==newBus.getId()){GodotAudio.Bus.move(newBus.getId(),index)}}static create(){const newBus=new GodotAudio.Bus;const isFirstBus=GodotAudio.buses.length===0;GodotAudio.buses.push(newBus);if(isFirstBus){newBus.setSend(null)}else{newBus.setSend(GodotAudio.Bus.getBus(0))}return newBus}constructor(){this._sampleNodes=new Set;this.isSolo=false;this._send=null;this._gainNode=GodotAudio.ctx.createGain();this._soloNode=GodotAudio.ctx.createGain();this._muteNode=GodotAudio.ctx.createGain();this._gainNode.connect(this._soloNode).connect(this._muteNode)}getId(){return GodotAudio.buses.indexOf(this)}getVolumeDb(){return GodotAudio.linear_to_db(this._gainNode.gain.value)}setVolumeDb(val){const linear=GodotAudio.db_to_linear(val);if(isFinite(linear)){this._gainNode.gain.value=linear}}getSend(){return this._send}setSend(val){this._send=val;if(val==null){if(this.getId()==0){this.getOutputNode().connect(GodotAudio.ctx.destination);return}throw new Error(`Cannot send to "${val}" without the bus being at index 0 (current index: ${this.getId()})`)}this.connect(val)}getInputNode(){return this._gainNode}getOutputNode(){return this._muteNode}mute(enable){this._muteNode.gain.value=enable?0:1}solo(enable){if(this.isSolo===enable){return}if(enable){if(GodotAudio.busSolo!=null&&GodotAudio.busSolo!==this){GodotAudio.busSolo._disableSolo()}this._enableSolo();return}this._disableSolo()}addSampleNode(sampleNode){this._sampleNodes.add(sampleNode);sampleNode.getOutputNode().connect(this.getInputNode())}removeSampleNode(sampleNode){this._sampleNodes.delete(sampleNode);sampleNode.getOutputNode().disconnect()}connect(bus){if(bus==null){throw new Error("cannot connect to null bus")}this.getOutputNode().disconnect();this.getOutputNode().connect(bus.getInputNode());return bus}clear(){GodotAudio.buses=GodotAudio.buses.filter(v=>v!==this)}_syncSampleNodes(){const sampleNodes=Array.from(this._sampleNodes);for(let i=0;i<sampleNodes.length;i++){const sampleNode=sampleNodes[i];sampleNode.getOutputNode().disconnect();sampleNode.getOutputNode().connect(this.getInputNode())}}_enableSolo(){this.isSolo=true;GodotAudio.busSolo=this;this._soloNode.gain.value=1;const otherBuses=GodotAudio.buses.filter(otherBus=>otherBus!==this);for(let i=0;i<otherBuses.length;i++){const otherBus=otherBuses[i];otherBus._soloNode.gain.value=0}}_disableSolo(){this.isSolo=false;GodotAudio.busSolo=null;this._soloNode.gain.value=1;const otherBuses=GodotAudio.buses.filter(otherBus=>otherBus!==this);for(let i=0;i<otherBuses.length;i++){const otherBus=otherBuses[i];otherBus._soloNode.gain.value=1}}},sampleFinishedCallback:null,ctx:null,input:null,driver:null,interval:0,linear_to_db:function(linear){return Math.log(linear)*8.685889638065037},db_to_linear:function(db){return Math.exp(db*.11512925464970228)},init:function(mix_rate,latency,onstatechange,onlatencyupdate){GodotAudio.samples=new Map;GodotAudio.sampleNodes=new Map;GodotAudio.buses=[];GodotAudio.busSolo=null;const opts={};if(mix_rate){GodotAudio.sampleRate=mix_rate;opts["sampleRate"]=mix_rate}const ctx=new(window.AudioContext||window.webkitAudioContext)(opts);GodotAudio.ctx=ctx;ctx.onstatechange=function(){let state=0;switch(ctx.state){case"suspended":state=0;break;case"running":state=1;break;case"closed":state=2;break;default:}onstatechange(state)};ctx.onstatechange();GodotAudio.interval=setInterval(function(){let computed_latency=0;if(ctx.baseLatency){computed_latency+=GodotAudio.ctx.baseLatency}if(ctx.outputLatency){computed_latency+=GodotAudio.ctx.outputLatency}onlatencyupdate(computed_latency)},1e3);GodotOS.atexit(GodotAudio.close_async);return ctx.destination.channelCount},create_input:function(callback){if(GodotAudio.input){return 0}function gotMediaInput(stream){try{GodotAudio.input=GodotAudio.ctx.createMediaStreamSource(stream);callback(GodotAudio.input)}catch(e){GodotRuntime.error("Failed creating input.",e)}}if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia({audio:true}).then(gotMediaInput,function(e){GodotRuntime.error("Error getting user media.",e)})}else{if(!navigator.getUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia||navigator.mozGetUserMedia}if(!navigator.getUserMedia){GodotRuntime.error("getUserMedia not available.");return 1}navigator.getUserMedia({audio:true},gotMediaInput,function(e){GodotRuntime.print(e)})}return 0},close_async:function(resolve,reject){const ctx=GodotAudio.ctx;GodotAudio.ctx=null;if(!ctx){resolve();return}if(GodotAudio.interval){clearInterval(GodotAudio.interval);GodotAudio.interval=0}if(GodotAudio.input){GodotAudio.input.disconnect();GodotAudio.input=null}let closed=Promise.resolve();if(GodotAudio.driver){closed=GodotAudio.driver.close()}closed.then(function(){return ctx.close()}).then(function(){ctx.onstatechange=null;resolve()}).catch(function(e){ctx.onstatechange=null;GodotRuntime.error("Error closing AudioContext",e);resolve()})},start_sample:function(playbackObjectId,streamObjectId,busIndex,startOptions){GodotAudio.SampleNode.stopSampleNode(playbackObjectId);const sampleNode=GodotAudio.SampleNode.create({busIndex:busIndex,id:playbackObjectId,streamObjectId:streamObjectId},startOptions);sampleNode.start()},stop_sample:function(playbackObjectId){GodotAudio.SampleNode.stopSampleNode(playbackObjectId)},sample_set_pause:function(playbackObjectId,pause){GodotAudio.SampleNode.pauseSampleNode(playbackObjectId,pause)},update_sample_pitch_scale:function(playbackObjectId,pitchScale){const sampleNode=GodotAudio.SampleNode.getSampleNodeOrNull(playbackObjectId);if(sampleNode==null){return}sampleNode.setPitchScale(pitchScale)},sample_set_volumes_linear:function(playbackObjectId,busIndexes,volumes){const sampleNode=GodotAudio.SampleNode.getSampleNodeOrNull(playbackObjectId);if(sampleNode==null){return}const buses=busIndexes.map(busIndex=>GodotAudio.Bus.getBus(busIndex));sampleNode.setVolumes(buses,volumes)},set_sample_bus_count:function(count){GodotAudio.Bus.setCount(count)},remove_sample_bus:function(index){const bus=GodotAudio.Bus.getBus(index);bus.clear()},add_sample_bus:function(atPos){GodotAudio.Bus.addAt(atPos)},move_sample_bus:function(busIndex,toPos){GodotAudio.Bus.move(busIndex,toPos)},set_sample_bus_send:function(busIndex,sendIndex){const bus=GodotAudio.Bus.getBus(busIndex);bus.setSend(GodotAudio.Bus.getBus(sendIndex))},set_sample_bus_volume_db:function(busIndex,volumeDb){const bus=GodotAudio.Bus.getBus(busIndex);bus.setVolumeDb(volumeDb)},set_sample_bus_solo:function(busIndex,enable){const bus=GodotAudio.Bus.getBus(busIndex);bus.solo(enable)},set_sample_bus_mute:function(busIndex,enable){const bus=GodotAudio.Bus.getBus(busIndex);bus.mute(enable)}};function _godot_audio_has_worklet(){return GodotAudio.ctx&&GodotAudio.ctx.audioWorklet?1:0}function _godot_audio_init(p_mix_rate,p_latency,p_state_change,p_latency_update){const statechange=GodotRuntime.get_func(p_state_change);const latencyupdate=GodotRuntime.get_func(p_latency_update);const mix_rate=GodotRuntime.getHeapValue(p_mix_rate,"i32");const channels=GodotAudio.init(mix_rate,p_latency,statechange,latencyupdate);GodotRuntime.setHeapValue(p_mix_rate,GodotAudio.ctx.sampleRate,"i32");return channels}function _godot_audio_input_start(){return GodotAudio.create_input(function(input){input.connect(GodotAudio.driver.get_node())})}function _godot_audio_input_stop(){if(GodotAudio.input){const tracks=GodotAudio.input["mediaStream"]["getTracks"]();for(let i=0;i<tracks.length;i++){tracks[i]["stop"]()}GodotAudio.input.disconnect();GodotAudio.input=null}}function _godot_audio_is_available(){if(!(window.AudioContext||window.webkitAudioContext)){return 0}return 1}function _godot_audio_resume(){if(GodotAudio.ctx&&GodotAudio.ctx.state!=="running"){GodotAudio.ctx.resume()}}function _godot_audio_sample_bus_add(atPos){GodotAudio.add_sample_bus(atPos)}function _godot_audio_sample_bus_move(fromPos,toPos){GodotAudio.move_sample_bus(fromPos,toPos)}function _godot_audio_sample_bus_remove(index){GodotAudio.remove_sample_bus(index)}function _godot_audio_sample_bus_set_count(count){GodotAudio.set_sample_bus_count(count)}function _godot_audio_sample_bus_set_mute(bus,enable){GodotAudio.set_sample_bus_mute(bus,Boolean(enable))}function _godot_audio_sample_bus_set_send(bus,sendIndex){GodotAudio.set_sample_bus_send(bus,sendIndex)}function _godot_audio_sample_bus_set_solo(bus,enable){GodotAudio.set_sample_bus_solo(bus,Boolean(enable))}function _godot_audio_sample_bus_set_volume_db(bus,volumeDb){GodotAudio.set_sample_bus_volume_db(bus,volumeDb)}function _godot_audio_sample_is_active(playbackObjectIdStrPtr){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);return Number(GodotAudio.sampleNodes.has(playbackObjectId))}function _godot_audio_sample_register_stream(streamObjectIdStrPtr,framesPtr,framesTotal,loopModeStrPtr,loopBegin,loopEnd){const BYTES_PER_FLOAT32=4;const streamObjectId=GodotRuntime.parseString(streamObjectIdStrPtr);const loopMode=GodotRuntime.parseString(loopModeStrPtr);const numberOfChannels=2;const sampleRate=GodotAudio.ctx.sampleRate;const subLeft=GodotRuntime.heapSub(HEAPF32,framesPtr,framesTotal);const subRight=GodotRuntime.heapSub(HEAPF32,framesPtr+framesTotal*BYTES_PER_FLOAT32,framesTotal);const audioBuffer=GodotAudio.ctx.createBuffer(numberOfChannels,framesTotal,sampleRate);audioBuffer.copyToChannel(new Float32Array(subLeft),0,0);audioBuffer.copyToChannel(new Float32Array(subRight),1,0);GodotAudio.Sample.create({id:streamObjectId,audioBuffer:audioBuffer},{loopBegin:loopBegin,loopEnd:loopEnd,loopMode:loopMode,numberOfChannels:numberOfChannels,sampleRate:sampleRate})}function _godot_audio_sample_set_finished_callback(callbackPtr){GodotAudio.sampleFinishedCallback=GodotRuntime.get_func(callbackPtr)}function _godot_audio_sample_set_pause(playbackObjectIdStrPtr,pause){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);GodotAudio.sample_set_pause(playbackObjectId,Boolean(pause))}function _godot_audio_sample_set_volumes_linear(playbackObjectIdStrPtr,busesPtr,busesSize,volumesPtr,volumesSize){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);const buses=GodotRuntime.heapSub(HEAP32,busesPtr,busesSize);const volumes=GodotRuntime.heapSub(HEAPF32,volumesPtr,volumesSize);GodotAudio.sample_set_volumes_linear(playbackObjectId,Array.from(buses),volumes)}function _godot_audio_sample_start(playbackObjectIdStrPtr,streamObjectIdStrPtr,busIndex,offset,volumePtr){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);const streamObjectId=GodotRuntime.parseString(streamObjectIdStrPtr);const volume=GodotRuntime.heapSub(HEAPF32,volumePtr,8);const startOptions={offset:offset,volume:volume,playbackRate:1};GodotAudio.start_sample(playbackObjectId,streamObjectId,busIndex,startOptions)}function _godot_audio_sample_stop(playbackObjectIdStrPtr){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);GodotAudio.stop_sample(playbackObjectId)}function _godot_audio_sample_stream_is_registered(streamObjectIdStrPtr){const streamObjectId=GodotRuntime.parseString(streamObjectIdStrPtr);return Number(GodotAudio.Sample.getSampleOrNull(streamObjectId)!=null)}function _godot_audio_sample_unregister_stream(streamObjectIdStrPtr){const streamObjectId=GodotRuntime.parseString(streamObjectIdStrPtr);const sample=GodotAudio.Sample.getSampleOrNull(streamObjectId);if(sample!=null){sample.clear()}}function _godot_audio_sample_update_pitch_scale(playbackObjectIdStrPtr,pitchScale){const playbackObjectId=GodotRuntime.parseString(playbackObjectIdStrPtr);GodotAudio.update_sample_pitch_scale(playbackObjectId,pitchScale)}var GodotAudioWorklet={promise:null,worklet:null,ring_buffer:null,create:function(channels){const path=GodotConfig.locate_file("godot.audio.worklet.js");GodotAudioWorklet.promise=GodotAudio.ctx.audioWorklet.addModule(path).then(function(){GodotAudioWorklet.worklet=new AudioWorkletNode(GodotAudio.ctx,"godot-processor",{outputChannelCount:[channels]});return Promise.resolve()});GodotAudio.driver=GodotAudioWorklet},start:function(in_buf,out_buf,state){GodotAudioWorklet.promise.then(function(){const node=GodotAudioWorklet.worklet;node.connect(GodotAudio.ctx.destination);node.port.postMessage({cmd:"start",data:[state,in_buf,out_buf]});node.port.onmessage=function(event){GodotRuntime.error(event.data)}})},start_no_threads:function(p_out_buf,p_out_size,out_callback,p_in_buf,p_in_size,in_callback){function RingBuffer(){let wpos=0;let rpos=0;let pending_samples=0;const wbuf=new Float32Array(p_out_size);function send(port){if(pending_samples===0){return}const buffer=GodotRuntime.heapSub(HEAPF32,p_out_buf,p_out_size);const size=buffer.length;const tot_sent=pending_samples;out_callback(wpos,pending_samples);if(wpos+pending_samples>=size){const high=size-wpos;wbuf.set(buffer.subarray(wpos,size));pending_samples-=high;wpos=0}if(pending_samples>0){wbuf.set(buffer.subarray(wpos,wpos+pending_samples),tot_sent-pending_samples)}port.postMessage({cmd:"chunk",data:wbuf.subarray(0,tot_sent)});wpos+=pending_samples;pending_samples=0}this.receive=function(recv_buf){const buffer=GodotRuntime.heapSub(HEAPF32,p_in_buf,p_in_size);const from=rpos;let to_write=recv_buf.length;let high=0;if(rpos+to_write>=p_in_size){high=p_in_size-rpos;buffer.set(recv_buf.subarray(0,high),rpos);to_write-=high;rpos=0}if(to_write){buffer.set(recv_buf.subarray(high,to_write),rpos)}in_callback(from,recv_buf.length);rpos+=to_write};this.consumed=function(size,port){pending_samples+=size;send(port)}}GodotAudioWorklet.ring_buffer=new RingBuffer;GodotAudioWorklet.promise.then(function(){const node=GodotAudioWorklet.worklet;const buffer=GodotRuntime.heapSlice(HEAPF32,p_out_buf,p_out_size);node.connect(GodotAudio.ctx.destination);node.port.postMessage({cmd:"start_nothreads",data:[buffer,p_in_size]});node.port.onmessage=function(event){if(!GodotAudioWorklet.worklet){return}if(event.data["cmd"]==="read"){const read=event.data["data"];GodotAudioWorklet.ring_buffer.consumed(read,GodotAudioWorklet.worklet.port)}else if(event.data["cmd"]==="input"){const buf=event.data["data"];if(buf.length>p_in_size){GodotRuntime.error("Input chunk is too big");return}GodotAudioWorklet.ring_buffer.receive(buf)}else{GodotRuntime.error(event.data)}}})},get_node:function(){return GodotAudioWorklet.worklet},close:function(){return new Promise(function(resolve,reject){if(GodotAudioWorklet.promise===null){return}const p=GodotAudioWorklet.promise;p.then(function(){GodotAudioWorklet.worklet.port.postMessage({cmd:"stop",data:null});GodotAudioWorklet.worklet.disconnect();GodotAudioWorklet.worklet.port.onmessage=null;GodotAudioWorklet.worklet=null;GodotAudioWorklet.promise=null;resolve()}).catch(function(err){GodotRuntime.error(err)})})}};function _godot_audio_worklet_create(channels){try{GodotAudioWorklet.create(channels)}catch(e){GodotRuntime.error("Error starting AudioDriverWorklet",e);return 1}return 0}function _godot_audio_worklet_start_no_threads(p_out_buf,p_out_size,p_out_callback,p_in_buf,p_in_size,p_in_callback){const out_callback=GodotRuntime.get_func(p_out_callback);const in_callback=GodotRuntime.get_func(p_in_callback);GodotAudioWorklet.start_no_threads(p_out_buf,p_out_size,out_callback,p_in_buf,p_in_size,in_callback)}function _godot_js_config_canvas_id_get(p_ptr,p_ptr_max){GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`,p_ptr,p_ptr_max)}function _godot_js_config_locale_get(p_ptr,p_ptr_max){GodotRuntime.stringToHeap(GodotConfig.locale,p_ptr,p_ptr_max)}var GodotDisplayCursor={shape:"default",visible:true,cursors:{},set_style:function(style){GodotConfig.canvas.style.cursor=style},set_shape:function(shape){GodotDisplayCursor.shape=shape;let css=shape;if(shape in GodotDisplayCursor.cursors){const c=GodotDisplayCursor.cursors[shape];css=`url("${c.url}") ${c.x} ${c.y}, default`}if(GodotDisplayCursor.visible){GodotDisplayCursor.set_style(css)}},clear:function(){GodotDisplayCursor.set_style("");GodotDisplayCursor.shape="default";GodotDisplayCursor.visible=true;Object.keys(GodotDisplayCursor.cursors).forEach(function(key){URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);delete GodotDisplayCursor.cursors[key]})},lockPointer:function(){const canvas=GodotConfig.canvas;if(canvas.requestPointerLock){canvas.requestPointerLock()}},releasePointer:function(){if(document.exitPointerLock){document.exitPointerLock()}},isPointerLocked:function(){return document.pointerLockElement===GodotConfig.canvas}};var GodotEventListeners={handlers:[],has:function(target,event,method,capture){return GodotEventListeners.handlers.findIndex(function(e){return e.target===target&&e.event===event&&e.method===method&&e.capture===capture})!==-1},add:function(target,event,method,capture){if(GodotEventListeners.has(target,event,method,capture)){return}function Handler(p_target,p_event,p_method,p_capture){this.target=p_target;this.event=p_event;this.method=p_method;this.capture=p_capture}GodotEventListeners.handlers.push(new Handler(target,event,method,capture));target.addEventListener(event,method,capture)},clear:function(){GodotEventListeners.handlers.forEach(function(h){h.target.removeEventListener(h.event,h.method,h.capture)});GodotEventListeners.handlers.length=0}};var _emscripten_webgl_do_get_current_context=()=>GL.currentContext?GL.currentContext.handle:0;var _emscripten_webgl_get_current_context=_emscripten_webgl_do_get_current_context;var GodotDisplayScreen={desired_size:[0,0],hidpi:true,getPixelRatio:function(){return GodotDisplayScreen.hidpi?window.devicePixelRatio||1:1},isFullscreen:function(){const elem=document.fullscreenElement||document.mozFullscreenElement||document.webkitFullscreenElement||document.msFullscreenElement;if(elem){return elem===GodotConfig.canvas}return document.fullscreen||document.mozFullScreen||document.webkitIsFullscreen},hasFullscreen:function(){return document.fullscreenEnabled||document.mozFullScreenEnabled||document.webkitFullscreenEnabled},requestFullscreen:function(){if(!GodotDisplayScreen.hasFullscreen()){return 1}const canvas=GodotConfig.canvas;try{const promise=(canvas.requestFullscreen||canvas.msRequestFullscreen||canvas.mozRequestFullScreen||canvas.mozRequestFullscreen||canvas.webkitRequestFullscreen).call(canvas);if(promise){promise.catch(function(){})}}catch(e){return 1}return 0},exitFullscreen:function(){if(!GodotDisplayScreen.isFullscreen()){return 0}try{const promise=document.exitFullscreen();if(promise){promise.catch(function(){})}}catch(e){return 1}return 0},_updateGL:function(){const gl_context_handle=_emscripten_webgl_get_current_context();const gl=GL.getContext(gl_context_handle);if(gl){GL.resizeOffscreenFramebuffer(gl)}},updateSize:function(){const isFullscreen=GodotDisplayScreen.isFullscreen();const wantsFullWindow=GodotConfig.canvas_resize_policy===2;const noResize=GodotConfig.canvas_resize_policy===0;const dWidth=GodotDisplayScreen.desired_size[0];const dHeight=GodotDisplayScreen.desired_size[1];const canvas=GodotConfig.canvas;let width=dWidth;let height=dHeight;if(noResize){if(canvas.width!==width||canvas.height!==height){GodotDisplayScreen.desired_size=[canvas.width,canvas.height];GodotDisplayScreen._updateGL();return 1}return 0}const scale=GodotDisplayScreen.getPixelRatio();if(isFullscreen||wantsFullWindow){width=window.innerWidth*scale;height=window.innerHeight*scale}const csw=`${width/scale}px`;const csh=`${height/scale}px`;if(canvas.style.width!==csw||canvas.style.height!==csh||canvas.width!==width||canvas.height!==height){canvas.width=width;canvas.height=height;canvas.style.width=csw;canvas.style.height=csh;GodotDisplayScreen._updateGL();return 1}return 0}};var GodotDisplayVK={textinput:null,textarea:null,available:function(){return GodotConfig.virtual_keyboard&&"ontouchstart"in window},init:function(input_cb){function create(what){const elem=document.createElement(what);elem.style.display="none";elem.style.position="absolute";elem.style.zIndex="-1";elem.style.background="transparent";elem.style.padding="0px";elem.style.margin="0px";elem.style.overflow="hidden";elem.style.width="0px";elem.style.height="0px";elem.style.border="0px";elem.style.outline="none";elem.readonly=true;elem.disabled=true;GodotEventListeners.add(elem,"input",function(evt){const c_str=GodotRuntime.allocString(elem.value);input_cb(c_str,elem.selectionEnd);GodotRuntime.free(c_str)},false);GodotEventListeners.add(elem,"blur",function(evt){elem.style.display="none";elem.readonly=true;elem.disabled=true},false);GodotConfig.canvas.insertAdjacentElement("beforebegin",elem);return elem}GodotDisplayVK.textinput=create("input");GodotDisplayVK.textarea=create("textarea");GodotDisplayVK.updateSize()},show:function(text,type,start,end){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}if(GodotDisplayVK.textinput.style.display!==""||GodotDisplayVK.textarea.style.display!==""){GodotDisplayVK.hide()}GodotDisplayVK.updateSize();let elem=GodotDisplayVK.textinput;switch(type){case 0:elem.type="text";elem.inputmode="";break;case 1:elem=GodotDisplayVK.textarea;break;case 2:elem.type="text";elem.inputmode="numeric";break;case 3:elem.type="text";elem.inputmode="decimal";break;case 4:elem.type="tel";elem.inputmode="";break;case 5:elem.type="email";elem.inputmode="";break;case 6:elem.type="password";elem.inputmode="";break;case 7:elem.type="url";elem.inputmode="";break;default:elem.type="text";elem.inputmode="";break}elem.readonly=false;elem.disabled=false;elem.value=text;elem.style.display="block";elem.focus();elem.setSelectionRange(start,end)},hide:function(){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}[GodotDisplayVK.textinput,GodotDisplayVK.textarea].forEach(function(elem){elem.blur();elem.style.display="none";elem.value=""})},updateSize:function(){if(!GodotDisplayVK.textinput||!GodotDisplayVK.textarea){return}const rect=GodotConfig.canvas.getBoundingClientRect();function update(elem){elem.style.left=`${rect.left}px`;elem.style.top=`${rect.top}px`;elem.style.width=`${rect.width}px`;elem.style.height=`${rect.height}px`}update(GodotDisplayVK.textinput);update(GodotDisplayVK.textarea)},clear:function(){if(GodotDisplayVK.textinput){GodotDisplayVK.textinput.remove();GodotDisplayVK.textinput=null}if(GodotDisplayVK.textarea){GodotDisplayVK.textarea.remove();GodotDisplayVK.textarea=null}}};var GodotDisplay={window_icon:"",getDPI:function(){const dpi=Math.round(window.devicePixelRatio*96);return dpi>=96?dpi:96}};function _godot_js_display_alert(p_text){window.alert(GodotRuntime.parseString(p_text))}function _godot_js_display_canvas_focus(){GodotConfig.canvas.focus()}function _godot_js_display_canvas_is_focused(){return document.activeElement===GodotConfig.canvas}function _godot_js_display_clipboard_get(callback){const func=GodotRuntime.get_func(callback);try{navigator.clipboard.readText().then(function(result){const ptr=GodotRuntime.allocString(result);func(ptr);GodotRuntime.free(ptr)}).catch(function(e){})}catch(e){}}function _godot_js_display_clipboard_set(p_text){const text=GodotRuntime.parseString(p_text);if(!navigator.clipboard||!navigator.clipboard.writeText){return 1}navigator.clipboard.writeText(text).catch(function(e){GodotRuntime.error("Setting OS clipboard is only possible from an input callback for the Web platform. Exception:",e)});return 0}function _godot_js_display_cursor_is_hidden(){return!GodotDisplayCursor.visible}function _godot_js_display_cursor_is_locked(){return GodotDisplayCursor.isPointerLocked()?1:0}function _godot_js_display_cursor_lock_set(p_lock){if(p_lock){GodotDisplayCursor.lockPointer()}else{GodotDisplayCursor.releasePointer()}}function _godot_js_display_cursor_set_custom_shape(p_shape,p_ptr,p_len,p_hotspot_x,p_hotspot_y){const shape=GodotRuntime.parseString(p_shape);const old_shape=GodotDisplayCursor.cursors[shape];if(p_len>0){const png=new Blob([GodotRuntime.heapSlice(HEAPU8,p_ptr,p_len)],{type:"image/png"});const url=URL.createObjectURL(png);GodotDisplayCursor.cursors[shape]={url:url,x:p_hotspot_x,y:p_hotspot_y}}else{delete GodotDisplayCursor.cursors[shape]}if(shape===GodotDisplayCursor.shape){GodotDisplayCursor.set_shape(GodotDisplayCursor.shape)}if(old_shape){URL.revokeObjectURL(old_shape.url)}}function _godot_js_display_cursor_set_shape(p_string){GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string))}function _godot_js_display_cursor_set_visible(p_visible){const visible=p_visible!==0;if(visible===GodotDisplayCursor.visible){return}GodotDisplayCursor.visible=visible;if(visible){GodotDisplayCursor.set_shape(GodotDisplayCursor.shape)}else{GodotDisplayCursor.set_style("none")}}function _godot_js_display_desired_size_set(width,height){GodotDisplayScreen.desired_size=[width,height];GodotDisplayScreen.updateSize()}function _godot_js_display_fullscreen_cb(callback){const canvas=GodotConfig.canvas;const func=GodotRuntime.get_func(callback);function change_cb(evt){if(evt.target===canvas){func(GodotDisplayScreen.isFullscreen())}}GodotEventListeners.add(document,"fullscreenchange",change_cb,false);GodotEventListeners.add(document,"mozfullscreenchange",change_cb,false);GodotEventListeners.add(document,"webkitfullscreenchange",change_cb,false)}function _godot_js_display_fullscreen_exit(){return GodotDisplayScreen.exitFullscreen()}function _godot_js_display_fullscreen_request(){return GodotDisplayScreen.requestFullscreen()}function _godot_js_display_has_webgl(p_version){if(p_version!==1&&p_version!==2){return false}try{return!!document.createElement("canvas").getContext(p_version===2?"webgl2":"webgl")}catch(e){}return false}function _godot_js_display_is_swap_ok_cancel(){const win=["Windows","Win64","Win32","WinCE"];const plat=navigator.platform||"";if(win.indexOf(plat)!==-1){return 1}return 0}function _godot_js_display_notification_cb(callback,p_enter,p_exit,p_in,p_out){const canvas=GodotConfig.canvas;const func=GodotRuntime.get_func(callback);const notif=[p_enter,p_exit,p_in,p_out];["mouseover","mouseleave","focus","blur"].forEach(function(evt_name,idx){GodotEventListeners.add(canvas,evt_name,function(){func(notif[idx])},true)})}function _godot_js_display_pixel_ratio_get(){return GodotDisplayScreen.getPixelRatio()}function _godot_js_display_screen_dpi_get(){return GodotDisplay.getDPI()}function _godot_js_display_screen_size_get(width,height){const scale=GodotDisplayScreen.getPixelRatio();GodotRuntime.setHeapValue(width,window.screen.width*scale,"i32");GodotRuntime.setHeapValue(height,window.screen.height*scale,"i32")}function _godot_js_display_setup_canvas(p_width,p_height,p_fullscreen,p_hidpi){const canvas=GodotConfig.canvas;GodotEventListeners.add(canvas,"contextmenu",function(ev){ev.preventDefault()},false);GodotEventListeners.add(canvas,"webglcontextlost",function(ev){alert("WebGL context lost, please reload the page");ev.preventDefault()},false);GodotDisplayScreen.hidpi=!!p_hidpi;switch(GodotConfig.canvas_resize_policy){case 0:GodotDisplayScreen.desired_size=[canvas.width,canvas.height];break;case 1:GodotDisplayScreen.desired_size=[p_width,p_height];break;default:canvas.style.position="absolute";canvas.style.top=0;canvas.style.left=0;break}GodotDisplayScreen.updateSize();if(p_fullscreen){GodotDisplayScreen.requestFullscreen()}}function _godot_js_display_size_update(){const updated=GodotDisplayScreen.updateSize();if(updated){GodotDisplayVK.updateSize()}return updated}function _godot_js_display_touchscreen_is_available(){return"ontouchstart"in window}function _godot_js_display_tts_available(){return"speechSynthesis"in window}function _godot_js_display_vk_available(){return GodotDisplayVK.available()}function _godot_js_display_vk_cb(p_input_cb){const input_cb=GodotRuntime.get_func(p_input_cb);if(GodotDisplayVK.available()){GodotDisplayVK.init(input_cb)}}function _godot_js_display_vk_hide(){GodotDisplayVK.hide()}function _godot_js_display_vk_show(p_text,p_type,p_start,p_end){const text=GodotRuntime.parseString(p_text);const start=p_start>0?p_start:0;const end=p_end>0?p_end:start;GodotDisplayVK.show(text,p_type,start,end)}function _godot_js_display_window_blur_cb(callback){const func=GodotRuntime.get_func(callback);GodotEventListeners.add(window,"blur",function(){func()},false)}function _godot_js_display_window_icon_set(p_ptr,p_len){let link=document.getElementById("-gd-engine-icon");const old_icon=GodotDisplay.window_icon;if(p_ptr){if(link===null){link=document.createElement("link");link.rel="icon";link.id="-gd-engine-icon";document.head.appendChild(link)}const png=new Blob([GodotRuntime.heapSlice(HEAPU8,p_ptr,p_len)],{type:"image/png"});GodotDisplay.window_icon=URL.createObjectURL(png);link.href=GodotDisplay.window_icon}else{if(link){link.remove()}GodotDisplay.window_icon=null}if(old_icon){URL.revokeObjectURL(old_icon)}}function _godot_js_display_window_size_get(p_width,p_height){GodotRuntime.setHeapValue(p_width,GodotConfig.canvas.width,"i32");GodotRuntime.setHeapValue(p_height,GodotConfig.canvas.height,"i32")}function _godot_js_display_window_title_set(p_data){document.title=GodotRuntime.parseString(p_data)}function _godot_js_eval(p_js,p_use_global_ctx,p_union_ptr,p_byte_arr,p_byte_arr_write,p_callback){const js_code=GodotRuntime.parseString(p_js);let eval_ret=null;try{if(p_use_global_ctx){const global_eval=eval;eval_ret=global_eval(js_code)}else{eval_ret=eval(js_code)}}catch(e){GodotRuntime.error(e)}switch(typeof eval_ret){case"boolean":GodotRuntime.setHeapValue(p_union_ptr,eval_ret,"i32");return 1;case"number":GodotRuntime.setHeapValue(p_union_ptr,eval_ret,"double");return 3;case"string":GodotRuntime.setHeapValue(p_union_ptr,GodotRuntime.allocString(eval_ret),"*");return 4;case"object":if(eval_ret===null){break}if(ArrayBuffer.isView(eval_ret)&&!(eval_ret instanceof Uint8Array)){eval_ret=new Uint8Array(eval_ret.buffer)}else if(eval_ret instanceof ArrayBuffer){eval_ret=new Uint8Array(eval_ret)}if(eval_ret instanceof Uint8Array){const func=GodotRuntime.get_func(p_callback);const bytes_ptr=func(p_byte_arr,p_byte_arr_write,eval_ret.length);HEAPU8.set(eval_ret,bytes_ptr);return 29}break}return 0}var IDHandler={_last_id:0,_references:{},get:function(p_id){return IDHandler._references[p_id]},add:function(p_data){const id=++IDHandler._last_id;IDHandler._references[id]=p_data;return id},remove:function(p_id){delete IDHandler._references[p_id]}};var GodotFetch={onread:function(id,result){const obj=IDHandler.get(id);if(!obj){return}if(result.value){obj.chunks.push(result.value)}obj.reading=false;obj.done=result.done},onresponse:function(id,response){const obj=IDHandler.get(id);if(!obj){return}let chunked=false;response.headers.forEach(function(value,header){const v=value.toLowerCase().trim();const h=header.toLowerCase().trim();if(h==="transfer-encoding"&&v==="chunked"){chunked=true}});obj.status=response.status;obj.response=response;obj.reader=response.body.getReader();obj.chunked=chunked},onerror:function(id,err){GodotRuntime.error(err);const obj=IDHandler.get(id);if(!obj){return}obj.error=err},create:function(method,url,headers,body){const obj={request:null,response:null,reader:null,error:null,done:false,reading:false,status:0,chunks:[]};const id=IDHandler.add(obj);const init={method:method,headers:headers,body:body};obj.request=fetch(url,init);obj.request.then(GodotFetch.onresponse.bind(null,id)).catch(GodotFetch.onerror.bind(null,id));return id},free:function(id){const obj=IDHandler.get(id);if(!obj){return}IDHandler.remove(id);if(!obj.request){return}obj.request.then(function(response){response.abort()}).catch(function(e){})},read:function(id){const obj=IDHandler.get(id);if(!obj){return}if(obj.reader&&!obj.reading){if(obj.done){obj.reader=null;return}obj.reading=true;obj.reader.read().then(GodotFetch.onread.bind(null,id)).catch(GodotFetch.onerror.bind(null,id))}}};function _godot_js_fetch_create(p_method,p_url,p_headers,p_headers_size,p_body,p_body_size){const method=GodotRuntime.parseString(p_method);const url=GodotRuntime.parseString(p_url);const headers=GodotRuntime.parseStringArray(p_headers,p_headers_size);const body=p_body_size?GodotRuntime.heapSlice(HEAP8,p_body,p_body_size):null;return GodotFetch.create(method,url,headers.map(function(hv){const idx=hv.indexOf(":");if(idx<=0){return[]}return[hv.slice(0,idx).trim(),hv.slice(idx+1).trim()]}).filter(function(v){return v.length===2}),body)}function _godot_js_fetch_free(id){GodotFetch.free(id)}function _godot_js_fetch_http_status_get(p_id){const obj=IDHandler.get(p_id);if(!obj||!obj.response){return 0}return obj.status}function _godot_js_fetch_is_chunked(p_id){const obj=IDHandler.get(p_id);if(!obj||!obj.response){return-1}return obj.chunked?1:0}function _godot_js_fetch_read_chunk(p_id,p_buf,p_buf_size){const obj=IDHandler.get(p_id);if(!obj||!obj.response){return 0}let to_read=p_buf_size;const chunks=obj.chunks;while(to_read&&chunks.length){const chunk=obj.chunks[0];if(chunk.length>to_read){GodotRuntime.heapCopy(HEAP8,chunk.slice(0,to_read),p_buf);chunks[0]=chunk.slice(to_read);to_read=0}else{GodotRuntime.heapCopy(HEAP8,chunk,p_buf);to_read-=chunk.length;chunks.pop()}}if(!chunks.length){GodotFetch.read(p_id)}return p_buf_size-to_read}function _godot_js_fetch_read_headers(p_id,p_parse_cb,p_ref){const obj=IDHandler.get(p_id);if(!obj||!obj.response){return 1}const cb=GodotRuntime.get_func(p_parse_cb);const arr=[];obj.response.headers.forEach(function(v,h){arr.push(`${h}:${v}`)});const c_ptr=GodotRuntime.allocStringArray(arr);cb(arr.length,c_ptr,p_ref);GodotRuntime.freeStringArray(c_ptr,arr.length);return 0}function _godot_js_fetch_state_get(p_id){const obj=IDHandler.get(p_id);if(!obj){return-1}if(obj.error){return-1}if(!obj.response){return 0}if(obj.reader){return 1}if(obj.done){return 2}return-1}var GodotInputGamepads={samples:[],get_pads:function(){try{const pads=navigator.getGamepads();if(pads){return pads}return[]}catch(e){return[]}},get_samples:function(){return GodotInputGamepads.samples},get_sample:function(index){const samples=GodotInputGamepads.samples;return index<samples.length?samples[index]:null},sample:function(){const pads=GodotInputGamepads.get_pads();const samples=[];for(let i=0;i<pads.length;i++){const pad=pads[i];if(!pad){samples.push(null);continue}const s={standard:pad.mapping==="standard",buttons:[],axes:[],connected:pad.connected};for(let b=0;b<pad.buttons.length;b++){s.buttons.push(pad.buttons[b].value)}for(let a=0;a<pad.axes.length;a++){s.axes.push(pad.axes[a])}samples.push(s)}GodotInputGamepads.samples=samples},init:function(onchange){GodotInputGamepads.samples=[];function add(pad){const guid=GodotInputGamepads.get_guid(pad);const c_id=GodotRuntime.allocString(pad.id);const c_guid=GodotRuntime.allocString(guid);onchange(pad.index,1,c_id,c_guid);GodotRuntime.free(c_id);GodotRuntime.free(c_guid)}const pads=GodotInputGamepads.get_pads();for(let i=0;i<pads.length;i++){if(pads[i]){add(pads[i])}}GodotEventListeners.add(window,"gamepadconnected",function(evt){if(evt.gamepad){add(evt.gamepad)}},false);GodotEventListeners.add(window,"gamepaddisconnected",function(evt){if(evt.gamepad){onchange(evt.gamepad.index,0)}},false)},get_guid:function(pad){if(pad.mapping){return pad.mapping}const ua=navigator.userAgent;let os="Unknown";if(ua.indexOf("Android")>=0){os="Android"}else if(ua.indexOf("Linux")>=0){os="Linux"}else if(ua.indexOf("iPhone")>=0){os="iOS"}else if(ua.indexOf("Macintosh")>=0){os="MacOSX"}else if(ua.indexOf("Windows")>=0){os="Windows"}const id=pad.id;const exp1=/vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;const exp2=/^([0-9a-f]+)-([0-9a-f]+)-/i;let vendor="";let product="";if(exp1.test(id)){const match=exp1.exec(id);vendor=match[1].padStart(4,"0");product=match[2].padStart(4,"0")}else if(exp2.test(id)){const match=exp2.exec(id);vendor=match[1].padStart(4,"0");product=match[2].padStart(4,"0")}if(!vendor||!product){return`${os}Unknown`}return os+vendor+product}};var GodotInputDragDrop={promises:[],pending_files:[],add_entry:function(entry){if(entry.isDirectory){GodotInputDragDrop.add_dir(entry)}else if(entry.isFile){GodotInputDragDrop.add_file(entry)}else{GodotRuntime.error("Unrecognized entry...",entry)}},add_dir:function(entry){GodotInputDragDrop.promises.push(new Promise(function(resolve,reject){const reader=entry.createReader();reader.readEntries(function(entries){for(let i=0;i<entries.length;i++){GodotInputDragDrop.add_entry(entries[i])}resolve()})}))},add_file:function(entry){GodotInputDragDrop.promises.push(new Promise(function(resolve,reject){entry.file(function(file){const reader=new FileReader;reader.onload=function(){const f={path:file.relativePath||file.webkitRelativePath,name:file.name,type:file.type,size:file.size,data:reader.result};if(!f["path"]){f["path"]=f["name"]}GodotInputDragDrop.pending_files.push(f);resolve()};reader.onerror=function(){GodotRuntime.print("Error reading file");reject()};reader.readAsArrayBuffer(file)},function(err){GodotRuntime.print("Error!");reject()})}))},process:function(resolve,reject){if(GodotInputDragDrop.promises.length===0){resolve();return}GodotInputDragDrop.promises.pop().then(function(){setTimeout(function(){GodotInputDragDrop.process(resolve,reject)},0)})},_process_event:function(ev,callback){ev.preventDefault();if(ev.dataTransfer.items){for(let i=0;i<ev.dataTransfer.items.length;i++){const item=ev.dataTransfer.items[i];let entry=null;if("getAsEntry"in item){entry=item.getAsEntry()}else if("webkitGetAsEntry"in item){entry=item.webkitGetAsEntry()}if(entry){GodotInputDragDrop.add_entry(entry)}}}else{GodotRuntime.error("File upload not supported")}new Promise(GodotInputDragDrop.process).then(function(){const DROP=`/tmp/drop-${parseInt(Math.random()*(1<<30),10)}/`;const drops=[];const files=[];FS.mkdir(DROP.slice(0,-1));GodotInputDragDrop.pending_files.forEach(elem=>{const path=elem["path"];GodotFS.copy_to_fs(DROP+path,elem["data"]);let idx=path.indexOf("/");if(idx===-1){drops.push(DROP+path)}else{const sub=path.substr(0,idx);idx=sub.indexOf("/");if(idx<0&&drops.indexOf(DROP+sub)===-1){drops.push(DROP+sub)}}files.push(DROP+path)});GodotInputDragDrop.promises=[];GodotInputDragDrop.pending_files=[];callback(drops);if(GodotConfig.persistent_drops){GodotOS.atexit(function(resolve,reject){GodotInputDragDrop.remove_drop(files,DROP);resolve()})}else{GodotInputDragDrop.remove_drop(files,DROP)}})},remove_drop:function(files,drop_path){const dirs=[drop_path.substr(0,drop_path.length-1)];files.forEach(function(file){FS.unlink(file);let dir=file.replace(drop_path,"");let idx=dir.lastIndexOf("/");while(idx>0){dir=dir.substr(0,idx);if(dirs.indexOf(drop_path+dir)===-1){dirs.push(drop_path+dir)}idx=dir.lastIndexOf("/")}});dirs.sort(function(a,b){const al=(a.match(/\//g)||[]).length;const bl=(b.match(/\//g)||[]).length;if(al>bl){return-1}else if(al<bl){return 1}return 0}).forEach(function(dir){FS.rmdir(dir)})},handler:function(callback){return function(ev){GodotInputDragDrop._process_event(ev,callback)}}};var GodotIME={ime:null,active:false,getModifiers:function(evt){return evt.shiftKey+0+(evt.altKey+0<<1)+(evt.ctrlKey+0<<2)+(evt.metaKey+0<<3)},ime_active:function(active){function focus_timer(){GodotIME.active=true;GodotIME.ime.focus()}if(GodotIME.ime){if(active){GodotIME.ime.style.display="block";setInterval(focus_timer,100)}else{GodotIME.ime.style.display="none";GodotConfig.canvas.focus();GodotIME.active=false}}},ime_position:function(x,y){if(GodotIME.ime){const canvas=GodotConfig.canvas;const rect=canvas.getBoundingClientRect();const rw=canvas.width/rect.width;const rh=canvas.height/rect.height;const clx=x/rw+rect.x;const cly=y/rh+rect.y;GodotIME.ime.style.left=`${clx}px`;GodotIME.ime.style.top=`${cly}px`}},init:function(ime_cb,key_cb,code,key){function key_event_cb(pressed,evt){const modifiers=GodotIME.getModifiers(evt);GodotRuntime.stringToHeap(evt.code,code,32);GodotRuntime.stringToHeap(evt.key,key,32);key_cb(pressed,evt.repeat,modifiers);evt.preventDefault()}function ime_event_cb(event){if(GodotIME.ime){if(event.type==="compositionstart"){ime_cb(0,null);GodotIME.ime.innerHTML=""}else if(event.type==="compositionupdate"){const ptr=GodotRuntime.allocString(event.data);ime_cb(1,ptr);GodotRuntime.free(ptr)}else if(event.type==="compositionend"){const ptr=GodotRuntime.allocString(event.data);ime_cb(2,ptr);GodotRuntime.free(ptr);GodotIME.ime.innerHTML=""}}}const ime=document.createElement("div");ime.className="ime";ime.style.background="none";ime.style.opacity=0;ime.style.position="fixed";ime.style.textAlign="left";ime.style.fontSize="1px";ime.style.left="0px";ime.style.top="0px";ime.style.width="100%";ime.style.height="40px";ime.style.pointerEvents="none";ime.style.display="none";ime.contentEditable="true";GodotEventListeners.add(ime,"compositionstart",ime_event_cb,false);GodotEventListeners.add(ime,"compositionupdate",ime_event_cb,false);GodotEventListeners.add(ime,"compositionend",ime_event_cb,false);GodotEventListeners.add(ime,"keydown",key_event_cb.bind(null,1),false);GodotEventListeners.add(ime,"keyup",key_event_cb.bind(null,0),false);ime.onblur=function(){this.style.display="none";GodotConfig.canvas.focus();GodotIME.active=false};GodotConfig.canvas.parentElement.appendChild(ime);GodotIME.ime=ime},clear:function(){if(GodotIME.ime){GodotIME.ime.remove();GodotIME.ime=null}}};var GodotInput={getModifiers:function(evt){return evt.shiftKey+0+(evt.altKey+0<<1)+(evt.ctrlKey+0<<2)+(evt.metaKey+0<<3)},computePosition:function(evt,rect){const canvas=GodotConfig.canvas;const rw=canvas.width/rect.width;const rh=canvas.height/rect.height;const x=(evt.clientX-rect.x)*rw;const y=(evt.clientY-rect.y)*rh;return[x,y]}};function _godot_js_input_drop_files_cb(callback){const func=GodotRuntime.get_func(callback);const dropFiles=function(files){const args=files||[];if(!args.length){return}const argc=args.length;const argv=GodotRuntime.allocStringArray(args);func(argv,argc);GodotRuntime.freeStringArray(argv,argc)};const canvas=GodotConfig.canvas;GodotEventListeners.add(canvas,"dragover",function(ev){ev.preventDefault()},false);GodotEventListeners.add(canvas,"drop",GodotInputDragDrop.handler(dropFiles))}function _godot_js_input_gamepad_cb(change_cb){const onchange=GodotRuntime.get_func(change_cb);GodotInputGamepads.init(onchange)}function _godot_js_input_gamepad_sample(){GodotInputGamepads.sample();return 0}function _godot_js_input_gamepad_sample_count(){return GodotInputGamepads.get_samples().length}function _godot_js_input_gamepad_sample_get(p_index,r_btns,r_btns_num,r_axes,r_axes_num,r_standard){const sample=GodotInputGamepads.get_sample(p_index);if(!sample||!sample.connected){return 1}const btns=sample.buttons;const btns_len=btns.length<16?btns.length:16;for(let i=0;i<btns_len;i++){GodotRuntime.setHeapValue(r_btns+(i<<2),btns[i],"float")}GodotRuntime.setHeapValue(r_btns_num,btns_len,"i32");const axes=sample.axes;const axes_len=axes.length<10?axes.length:10;for(let i=0;i<axes_len;i++){GodotRuntime.setHeapValue(r_axes+(i<<2),axes[i],"float")}GodotRuntime.setHeapValue(r_axes_num,axes_len,"i32");const is_standard=sample.standard?1:0;GodotRuntime.setHeapValue(r_standard,is_standard,"i32");return 0}function _godot_js_input_key_cb(callback,code,key){const func=GodotRuntime.get_func(callback);function key_cb(pressed,evt){const modifiers=GodotInput.getModifiers(evt);GodotRuntime.stringToHeap(evt.code,code,32);GodotRuntime.stringToHeap(evt.key,key,32);func(pressed,evt.repeat,modifiers);evt.preventDefault()}GodotEventListeners.add(GodotConfig.canvas,"keydown",key_cb.bind(null,1),false);GodotEventListeners.add(GodotConfig.canvas,"keyup",key_cb.bind(null,0),false)}function _godot_js_input_mouse_button_cb(callback){const func=GodotRuntime.get_func(callback);const canvas=GodotConfig.canvas;function button_cb(p_pressed,evt){const rect=canvas.getBoundingClientRect();const pos=GodotInput.computePosition(evt,rect);const modifiers=GodotInput.getModifiers(evt);if(p_pressed){GodotConfig.canvas.focus()}if(func(p_pressed,evt.button,pos[0],pos[1],modifiers)){evt.preventDefault()}}GodotEventListeners.add(canvas,"mousedown",button_cb.bind(null,1),false);GodotEventListeners.add(window,"mouseup",button_cb.bind(null,0),false)}function _godot_js_input_mouse_move_cb(callback){const func=GodotRuntime.get_func(callback);const canvas=GodotConfig.canvas;function move_cb(evt){const rect=canvas.getBoundingClientRect();const pos=GodotInput.computePosition(evt,rect);const rw=canvas.width/rect.width;const rh=canvas.height/rect.height;const rel_pos_x=evt.movementX*rw;const rel_pos_y=evt.movementY*rh;const modifiers=GodotInput.getModifiers(evt);func(pos[0],pos[1],rel_pos_x,rel_pos_y,modifiers)}GodotEventListeners.add(window,"mousemove",move_cb,false)}function _godot_js_input_mouse_wheel_cb(callback){const func=GodotRuntime.get_func(callback);function wheel_cb(evt){if(func(evt["deltaX"]||0,evt["deltaY"]||0)){evt.preventDefault()}}GodotEventListeners.add(GodotConfig.canvas,"wheel",wheel_cb,false)}function _godot_js_input_paste_cb(callback){const func=GodotRuntime.get_func(callback);GodotEventListeners.add(window,"paste",function(evt){const text=evt.clipboardData.getData("text");const ptr=GodotRuntime.allocString(text);func(ptr);GodotRuntime.free(ptr)},false)}function _godot_js_input_touch_cb(callback,ids,coords){const func=GodotRuntime.get_func(callback);const canvas=GodotConfig.canvas;function touch_cb(type,evt){if(type===0){GodotConfig.canvas.focus()}const rect=canvas.getBoundingClientRect();const touches=evt.changedTouches;for(let i=0;i<touches.length;i++){const touch=touches[i];const pos=GodotInput.computePosition(touch,rect);GodotRuntime.setHeapValue(coords+i*2*8,pos[0],"double");GodotRuntime.setHeapValue(coords+(i*2+1)*8,pos[1],"double");GodotRuntime.setHeapValue(ids+i*4,touch.identifier,"i32")}func(type,touches.length);if(evt.cancelable){evt.preventDefault()}}GodotEventListeners.add(canvas,"touchstart",touch_cb.bind(null,0),false);GodotEventListeners.add(canvas,"touchend",touch_cb.bind(null,1),false);GodotEventListeners.add(canvas,"touchcancel",touch_cb.bind(null,1),false);GodotEventListeners.add(canvas,"touchmove",touch_cb.bind(null,2),false)}function _godot_js_input_vibrate_handheld(p_duration_ms){if(typeof navigator.vibrate!=="function"){GodotRuntime.print("This browser does not support vibration.")}else{navigator.vibrate(p_duration_ms)}}function _godot_js_is_ime_focused(){return GodotIME.active}function _godot_js_os_download_buffer(p_ptr,p_size,p_name,p_mime){const buf=GodotRuntime.heapSlice(HEAP8,p_ptr,p_size);const name=GodotRuntime.parseString(p_name);const mime=GodotRuntime.parseString(p_mime);const blob=new Blob([buf],{type:mime});const url=window.URL.createObjectURL(blob);const a=document.createElement("a");a.href=url;a.download=name;a.style.display="none";document.body.appendChild(a);a.click();a.remove();window.URL.revokeObjectURL(url)}function _godot_js_os_execute(p_json){const json_args=GodotRuntime.parseString(p_json);const args=JSON.parse(json_args);if(GodotConfig.on_execute){GodotConfig.on_execute(args);return 0}return 1}function _godot_js_os_finish_async(p_callback){const func=GodotRuntime.get_func(p_callback);GodotOS.finish_async(func)}function _godot_js_os_fs_is_persistent(){return GodotFS.is_persistent()}function _godot_js_os_fs_sync(callback){const func=GodotRuntime.get_func(callback);GodotOS._fs_sync_promise=GodotFS.sync();GodotOS._fs_sync_promise.then(function(err){func()})}function _godot_js_os_has_feature(p_ftr){const ftr=GodotRuntime.parseString(p_ftr);const ua=navigator.userAgent;if(ftr==="web_macos"){return ua.indexOf("Mac")!==-1?1:0}if(ftr==="web_windows"){return ua.indexOf("Windows")!==-1?1:0}if(ftr==="web_android"){return ua.indexOf("Android")!==-1?1:0}if(ftr==="web_ios"){return ua.indexOf("iPhone")!==-1||ua.indexOf("iPad")!==-1||ua.indexOf("iPod")!==-1?1:0}if(ftr==="web_linuxbsd"){return ua.indexOf("CrOS")!==-1||ua.indexOf("BSD")!==-1||ua.indexOf("Linux")!==-1||ua.indexOf("X11")!==-1?1:0}return 0}function _godot_js_os_hw_concurrency_get(){const concurrency=navigator.hardwareConcurrency||1;return concurrency<2?concurrency:2}function _godot_js_os_request_quit_cb(p_callback){GodotOS.request_quit=GodotRuntime.get_func(p_callback)}function _godot_js_os_shell_open(p_uri){window.open(GodotRuntime.parseString(p_uri),"_blank")}var GodotPWA={hasUpdate:false,updateState:function(cb,reg){if(!reg){return}if(!reg.active){return}if(reg.waiting){GodotPWA.hasUpdate=true;cb()}GodotEventListeners.add(reg,"updatefound",function(){const installing=reg.installing;GodotEventListeners.add(installing,"statechange",function(){if(installing.state==="installed"){GodotPWA.hasUpdate=true;cb()}})})}};function _godot_js_pwa_cb(p_update_cb){if("serviceWorker"in navigator){const cb=GodotRuntime.get_func(p_update_cb);navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null,cb))}}function _godot_js_pwa_update(){if("serviceWorker"in navigator&&GodotPWA.hasUpdate){navigator.serviceWorker.getRegistration().then(function(reg){if(!reg||!reg.waiting){return}reg.waiting.postMessage("update")});return 0}return 1}var GodotRTCDataChannel={connect:function(p_id,p_on_open,p_on_message,p_on_error,p_on_close){const ref=IDHandler.get(p_id);if(!ref){return}ref.binaryType="arraybuffer";ref.onopen=function(event){p_on_open()};ref.onclose=function(event){p_on_close()};ref.onerror=function(event){p_on_error()};ref.onmessage=function(event){let buffer;let is_string=0;if(event.data instanceof ArrayBuffer){buffer=new Uint8Array(event.data)}else if(event.data instanceof Blob){GodotRuntime.error("Blob type not supported");return}else if(typeof event.data==="string"){is_string=1;const enc=new TextEncoder("utf-8");buffer=new Uint8Array(enc.encode(event.data))}else{GodotRuntime.error("Unknown message type");return}const len=buffer.length*buffer.BYTES_PER_ELEMENT;const out=GodotRuntime.malloc(len);HEAPU8.set(buffer,out);p_on_message(out,len,is_string);GodotRuntime.free(out)}},close:function(p_id){const ref=IDHandler.get(p_id);if(!ref){return}ref.onopen=null;ref.onmessage=null;ref.onerror=null;ref.onclose=null;ref.close()},get_prop:function(p_id,p_prop,p_def){const ref=IDHandler.get(p_id);return ref&&ref[p_prop]!==undefined?ref[p_prop]:p_def}};function _godot_js_rtc_datachannel_close(p_id){const ref=IDHandler.get(p_id);if(!ref){return}GodotRTCDataChannel.close(p_id)}function _godot_js_rtc_datachannel_connect(p_id,p_ref,p_on_open,p_on_message,p_on_error,p_on_close){const onopen=GodotRuntime.get_func(p_on_open).bind(null,p_ref);const onmessage=GodotRuntime.get_func(p_on_message).bind(null,p_ref);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_ref);const onclose=GodotRuntime.get_func(p_on_close).bind(null,p_ref);GodotRTCDataChannel.connect(p_id,onopen,onmessage,onerror,onclose)}function _godot_js_rtc_datachannel_destroy(p_id){GodotRTCDataChannel.close(p_id);IDHandler.remove(p_id)}function _godot_js_rtc_datachannel_get_buffered_amount(p_id){return GodotRTCDataChannel.get_prop(p_id,"bufferedAmount",0)}function _godot_js_rtc_datachannel_id_get(p_id){return GodotRTCDataChannel.get_prop(p_id,"id",65535)}function _godot_js_rtc_datachannel_is_negotiated(p_id){return GodotRTCDataChannel.get_prop(p_id,"negotiated",65535)}function _godot_js_rtc_datachannel_is_ordered(p_id){return GodotRTCDataChannel.get_prop(p_id,"ordered",true)}function _godot_js_rtc_datachannel_label_get(p_id){const ref=IDHandler.get(p_id);if(!ref||!ref.label){return 0}return GodotRuntime.allocString(ref.label)}function _godot_js_rtc_datachannel_max_packet_lifetime_get(p_id){const ref=IDHandler.get(p_id);if(!ref){return 65535}if(ref["maxPacketLifeTime"]!==undefined){return ref["maxPacketLifeTime"]}else if(ref["maxRetransmitTime"]!==undefined){return ref["maxRetransmitTime"]}return 65535}function _godot_js_rtc_datachannel_max_retransmits_get(p_id){return GodotRTCDataChannel.get_prop(p_id,"maxRetransmits",65535)}function _godot_js_rtc_datachannel_protocol_get(p_id){const ref=IDHandler.get(p_id);if(!ref||!ref.protocol){return 0}return GodotRuntime.allocString(ref.protocol)}function _godot_js_rtc_datachannel_ready_state_get(p_id){const ref=IDHandler.get(p_id);if(!ref){return 3}switch(ref.readyState){case"connecting":return 0;case"open":return 1;case"closing":return 2;case"closed":default:return 3}}function _godot_js_rtc_datachannel_send(p_id,p_buffer,p_length,p_raw){const ref=IDHandler.get(p_id);if(!ref){return 1}const bytes_array=new Uint8Array(p_length);for(let i=0;i<p_length;i++){bytes_array[i]=GodotRuntime.getHeapValue(p_buffer+i,"i8")}if(p_raw){ref.send(bytes_array.buffer)}else{const string=new TextDecoder("utf-8").decode(bytes_array);ref.send(string)}return 0}var GodotRTCPeerConnection={ConnectionState:{new:0,connecting:1,connected:2,disconnected:3,failed:4,closed:5},ConnectionStateCompat:{new:0,checking:1,connected:2,completed:2,disconnected:3,failed:4,closed:5},IceGatheringState:{new:0,gathering:1,complete:2},SignalingState:{stable:0,"have-local-offer":1,"have-remote-offer":2,"have-local-pranswer":3,"have-remote-pranswer":4,closed:5},create:function(config,onConnectionChange,onSignalingChange,onIceGatheringChange,onIceCandidate,onDataChannel){let conn=null;try{conn=new RTCPeerConnection(config)}catch(e){GodotRuntime.error(e);return 0}const id=IDHandler.add(conn);if("connectionState"in conn&&conn["connectionState"]!==undefined){conn.onconnectionstatechange=function(event){if(!IDHandler.get(id)){return}onConnectionChange(GodotRTCPeerConnection.ConnectionState[conn.connectionState]||0)}}else{conn.oniceconnectionstatechange=function(event){if(!IDHandler.get(id)){return}onConnectionChange(GodotRTCPeerConnection.ConnectionStateCompat[conn.iceConnectionState]||0)}}conn.onicegatheringstatechange=function(event){if(!IDHandler.get(id)){return}onIceGatheringChange(GodotRTCPeerConnection.IceGatheringState[conn.iceGatheringState]||0)};conn.onsignalingstatechange=function(event){if(!IDHandler.get(id)){return}onSignalingChange(GodotRTCPeerConnection.SignalingState[conn.signalingState]||0)};conn.onicecandidate=function(event){if(!IDHandler.get(id)){return}const c=event.candidate;if(!c||!c.candidate){return}const candidate_str=GodotRuntime.allocString(c.candidate);const mid_str=GodotRuntime.allocString(c.sdpMid);onIceCandidate(mid_str,c.sdpMLineIndex,candidate_str);GodotRuntime.free(candidate_str);GodotRuntime.free(mid_str)};conn.ondatachannel=function(event){if(!IDHandler.get(id)){return}const cid=IDHandler.add(event.channel);onDataChannel(cid)};return id},destroy:function(p_id){const conn=IDHandler.get(p_id);if(!conn){return}conn.onconnectionstatechange=null;conn.oniceconnectionstatechange=null;conn.onicegatheringstatechange=null;conn.onsignalingstatechange=null;conn.onicecandidate=null;conn.ondatachannel=null;IDHandler.remove(p_id)},onsession:function(p_id,callback,session){if(!IDHandler.get(p_id)){return}const type_str=GodotRuntime.allocString(session.type);const sdp_str=GodotRuntime.allocString(session.sdp);callback(type_str,sdp_str);GodotRuntime.free(type_str);GodotRuntime.free(sdp_str)},onerror:function(p_id,callback,error){const ref=IDHandler.get(p_id);if(!ref){return}GodotRuntime.error(error);callback()}};function _godot_js_rtc_pc_close(p_id){const ref=IDHandler.get(p_id);if(!ref){return}ref.close()}function _godot_js_rtc_pc_create(p_config,p_ref,p_on_connection_state_change,p_on_ice_gathering_state_change,p_on_signaling_state_change,p_on_ice_candidate,p_on_datachannel){const wrap=function(p_func){return GodotRuntime.get_func(p_func).bind(null,p_ref)};return GodotRTCPeerConnection.create(JSON.parse(GodotRuntime.parseString(p_config)),wrap(p_on_connection_state_change),wrap(p_on_signaling_state_change),wrap(p_on_ice_gathering_state_change),wrap(p_on_ice_candidate),wrap(p_on_datachannel))}function _godot_js_rtc_pc_datachannel_create(p_id,p_label,p_config){try{const ref=IDHandler.get(p_id);if(!ref){return 0}const label=GodotRuntime.parseString(p_label);const config=JSON.parse(GodotRuntime.parseString(p_config));const channel=ref.createDataChannel(label,config);return IDHandler.add(channel)}catch(e){GodotRuntime.error(e);return 0}}function _godot_js_rtc_pc_destroy(p_id){GodotRTCPeerConnection.destroy(p_id)}function _godot_js_rtc_pc_ice_candidate_add(p_id,p_mid_name,p_mline_idx,p_sdp){const ref=IDHandler.get(p_id);if(!ref){return}const sdpMidName=GodotRuntime.parseString(p_mid_name);const sdpName=GodotRuntime.parseString(p_sdp);ref.addIceCandidate(new RTCIceCandidate({candidate:sdpName,sdpMid:sdpMidName,sdpMlineIndex:p_mline_idx}))}function _godot_js_rtc_pc_local_description_set(p_id,p_type,p_sdp,p_obj,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const type=GodotRuntime.parseString(p_type);const sdp=GodotRuntime.parseString(p_sdp);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);ref.setLocalDescription({sdp:sdp,type:type}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}function _godot_js_rtc_pc_offer_create(p_id,p_obj,p_on_session,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const onsession=GodotRuntime.get_func(p_on_session).bind(null,p_obj);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);ref.createOffer().then(function(session){GodotRTCPeerConnection.onsession(p_id,onsession,session)}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}function _godot_js_rtc_pc_remote_description_set(p_id,p_type,p_sdp,p_obj,p_session_created,p_on_error){const ref=IDHandler.get(p_id);if(!ref){return}const type=GodotRuntime.parseString(p_type);const sdp=GodotRuntime.parseString(p_sdp);const onerror=GodotRuntime.get_func(p_on_error).bind(null,p_obj);const onsession=GodotRuntime.get_func(p_session_created).bind(null,p_obj);ref.setRemoteDescription({sdp:sdp,type:type}).then(function(){if(type!=="offer"){return Promise.resolve()}return ref.createAnswer().then(function(session){GodotRTCPeerConnection.onsession(p_id,onsession,session)})}).catch(function(error){GodotRTCPeerConnection.onerror(p_id,onerror,error)})}function _godot_js_set_ime_active(p_active){GodotIME.ime_active(p_active)}function _godot_js_set_ime_cb(p_ime_cb,p_key_cb,code,key){const ime_cb=GodotRuntime.get_func(p_ime_cb);const key_cb=GodotRuntime.get_func(p_key_cb);GodotIME.init(ime_cb,key_cb,code,key)}function _godot_js_set_ime_position(p_x,p_y){GodotIME.ime_position(p_x,p_y)}function _godot_js_tts_get_voices(p_callback){const func=GodotRuntime.get_func(p_callback);try{const arr=[];const voices=window.speechSynthesis.getVoices();for(let i=0;i<voices.length;i++){arr.push(`${voices[i].lang};${voices[i].name}`)}const c_ptr=GodotRuntime.allocStringArray(arr);func(arr.length,c_ptr);GodotRuntime.freeStringArray(c_ptr,arr.length)}catch(e){}}function _godot_js_tts_is_paused(){return window.speechSynthesis.paused}function _godot_js_tts_is_speaking(){return window.speechSynthesis.speaking}function _godot_js_tts_pause(){window.speechSynthesis.pause()}function _godot_js_tts_resume(){window.speechSynthesis.resume()}function 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id=GodotJSWrapper.get_proxied(p_val);GodotRuntime.setHeapValue(p_exchange,id,"i64");return 24}};function _godot_js_wrapper_create_cb(p_ref,p_func){const func=GodotRuntime.get_func(p_func);let id=0;const cb=function(){if(!GodotJSWrapper.get_proxied_value(id)){return undefined}GodotJSWrapper.cb_ret=null;const args=Array.from(arguments);const argsProxy=new GodotJSWrapper.MyProxy(args);func(p_ref,argsProxy.get_id(),args.length);argsProxy.unref();const ret=GodotJSWrapper.cb_ret;GodotJSWrapper.cb_ret=null;return ret};id=GodotJSWrapper.get_proxied(cb);return id}function _godot_js_wrapper_create_object(p_object,p_args,p_argc,p_convert_callback,p_exchange,p_lock,p_free_lock_callback){const name=GodotRuntime.parseString(p_object);if(typeof window[name]==="undefined"){return-1}const convert=GodotRuntime.get_func(p_convert_callback);const freeLock=GodotRuntime.get_func(p_free_lock_callback);const args=new Array(p_argc);for(let i=0;i<p_argc;i++){const type=convert(p_args,i,p_exchange,p_lock);const 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_godot_js_wrapper_object_unref(p_id){const proxy=IDHandler.get(p_id);if(proxy!==undefined){proxy.unref()}}function _godot_webgl2_glFramebufferTextureMultisampleMultiviewOVR(target,attachment,texture,level,samples,base_view_index,num_views){const context=GL.currentContext;if(typeof context.oculusMultiviewExt==="undefined"){const ext=context.GLctx.getExtension("OCULUS_multiview");if(!ext){GodotRuntime.error("Trying to call glFramebufferTextureMultisampleMultiviewOVR() without the OCULUS_multiview extension");return}context.oculusMultiviewExt=ext}const ext=context.oculusMultiviewExt;ext.framebufferTextureMultisampleMultiviewOVR(target,attachment,GL.textures[texture],level,samples,base_view_index,num_views)}function _godot_webgl2_glFramebufferTextureMultiviewOVR(target,attachment,texture,level,base_view_index,num_views){const context=GL.currentContext;if(typeof context.multiviewExt==="undefined"){const ext=context.GLctx.getExtension("OVR_multiview2");if(!ext){GodotRuntime.error("Trying to 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gl=GodotWebXR.gl;layer=GodotWebXR.gl_binding.createProjectionLayer({textureType:new_view_count>1?"texture-array":"texture",colorFormat:gl.RGBA8,depthFormat:gl.DEPTH_COMPONENT24});GodotWebXR.session.updateRenderState({layers:[layer]});GodotWebXR.layer=layer;GodotWebXR.view_count=new_view_count;return layer},getSubImage:()=>{if(!GodotWebXR.pose){return null}const layer=GodotWebXR.getLayer();if(layer===null){return null}return GodotWebXR.gl_binding.getViewSubImage(layer,GodotWebXR.pose.views[0])},getTextureId:texture=>{if(texture.name!==undefined){return texture.name}const id=GL.getNewId(GL.textures);texture.name=id;GL.textures[id]=texture;return id},addInputSource:input_source=>{let name=-1;if(input_source.targetRayMode==="tracked-pointer"&&input_source.handedness==="left"){name=0}else if(input_source.targetRayMode==="tracked-pointer"&&input_source.handedness==="right"){name=1}else{for(let i=2;i<16;i++){if(!GodotWebXR.input_sources[i]){name=i;break}}}if(name>=0){GodotWebXR.input_sources[name]=input_source;input_source.name=name;if(input_source.targetRayMode==="screen"){let touch_index=-1;for(let i=0;i<5;i++){if(!GodotWebXR.touches[i]){touch_index=i;break}}if(touch_index>=0){GodotWebXR.touches[touch_index]=input_source;input_source.touch_index=touch_index}}}return name},removeInputSource:input_source=>{if(input_source.name!==undefined){const name=input_source.name;if(name>=0&&name<16){GodotWebXR.input_sources[name]=null}if(input_source.touch_index!==undefined){const touch_index=input_source.touch_index;if(touch_index>=0&&touch_index<5){GodotWebXR.touches[touch_index]=null}}return name}return-1},getInputSourceId:input_source=>{if(input_source!==undefined){return input_source.name}return-1},getTouchIndex:input_source=>{if(input_source.touch_index!==undefined){return input_source.touch_index}return-1}};function _godot_webxr_get_bounds_geometry(r_points){if(!GodotWebXR.space||!GodotWebXR.space.boundsGeometry){return 0}const point_count=GodotWebXR.space.boundsGeometry.length;if(point_count===0){return 0}const buf=GodotRuntime.malloc(point_count*3*4);for(let i=0;i<point_count;i++){const point=GodotWebXR.space.boundsGeometry[i];GodotRuntime.setHeapValue(buf+(i*3+0)*4,point.x,"float");GodotRuntime.setHeapValue(buf+(i*3+1)*4,point.y,"float");GodotRuntime.setHeapValue(buf+(i*3+2)*4,point.z,"float")}GodotRuntime.setHeapValue(r_points,buf,"i32");return point_count}function _godot_webxr_get_color_texture(){const subimage=GodotWebXR.getSubImage();if(subimage===null){return 0}return GodotWebXR.getTextureId(subimage.colorTexture)}function _godot_webxr_get_depth_texture(){const subimage=GodotWebXR.getSubImage();if(subimage===null){return 0}if(!subimage.depthStencilTexture){return 0}return GodotWebXR.getTextureId(subimage.depthStencilTexture)}function _godot_webxr_get_frame_rate(){if(!GodotWebXR.session||GodotWebXR.session.frameRate===undefined){return 0}return GodotWebXR.session.frameRate}function _godot_webxr_get_projection_for_view(p_view,r_transform){if(!GodotWebXR.session||!GodotWebXR.pose){return false}const matrix=GodotWebXR.pose.views[p_view].projectionMatrix;for(let i=0;i<16;i++){GodotRuntime.setHeapValue(r_transform+i*4,matrix[i],"float")}return true}function _godot_webxr_get_render_target_size(r_size){const subimage=GodotWebXR.getSubImage();if(subimage===null){return false}GodotRuntime.setHeapValue(r_size+0,subimage.viewport.width,"i32");GodotRuntime.setHeapValue(r_size+4,subimage.viewport.height,"i32");return true}function _godot_webxr_get_supported_frame_rates(r_frame_rates){if(!GodotWebXR.session||GodotWebXR.session.supportedFrameRates===undefined){return 0}const frame_rate_count=GodotWebXR.session.supportedFrameRates.length;if(frame_rate_count===0){return 0}const buf=GodotRuntime.malloc(frame_rate_count*4);for(let i=0;i<frame_rate_count;i++){GodotRuntime.setHeapValue(buf+i*4,GodotWebXR.session.supportedFrameRates[i],"float")}GodotRuntime.setHeapValue(r_frame_rates,buf,"i32");return frame_rate_count}function _godot_webxr_get_transform_for_view(p_view,r_transform){if(!GodotWebXR.session||!GodotWebXR.pose){return false}const views=GodotWebXR.pose.views;let matrix;if(p_view>=0){matrix=views[p_view].transform.matrix}else{matrix=GodotWebXR.pose.transform.matrix}for(let i=0;i<16;i++){GodotRuntime.setHeapValue(r_transform+i*4,matrix[i],"float")}return true}function _godot_webxr_get_velocity_texture(){const subimage=GodotWebXR.getSubImage();if(subimage===null){return 0}if(!subimage.motionVectorTexture){return 0}return GodotWebXR.getTextureId(subimage.motionVectorTexture)}function _godot_webxr_get_view_count(){if(!GodotWebXR.session||!GodotWebXR.pose){return 1}const view_count=GodotWebXR.pose.views.length;return view_count>0?view_count:1}function _godot_webxr_get_visibility_state(){if(!GodotWebXR.session||!GodotWebXR.session.visibilityState){return 0}return GodotRuntime.allocString(GodotWebXR.session.visibilityState)}var _godot_webxr_initialize=function(p_session_mode,p_required_features,p_optional_features,p_requested_reference_spaces,p_on_session_started,p_on_session_ended,p_on_session_failed,p_on_input_event,p_on_simple_event){GodotWebXR.monkeyPatchRequestAnimationFrame(true);const session_mode=GodotRuntime.parseString(p_session_mode);const required_features=GodotRuntime.parseString(p_required_features).split(",").map(s=>s.trim()).filter(s=>s!=="");const optional_features=GodotRuntime.parseString(p_optional_features).split(",").map(s=>s.trim()).filter(s=>s!=="");const requested_reference_space_types=GodotRuntime.parseString(p_requested_reference_spaces).split(",").map(s=>s.trim());const onstarted=GodotRuntime.get_func(p_on_session_started);const onended=GodotRuntime.get_func(p_on_session_ended);const onfailed=GodotRuntime.get_func(p_on_session_failed);const oninputevent=GodotRuntime.get_func(p_on_input_event);const onsimpleevent=GodotRuntime.get_func(p_on_simple_event);const session_init={};if(required_features.length>0){session_init["requiredFeatures"]=required_features}if(optional_features.length>0){session_init["optionalFeatures"]=optional_features}navigator.xr.requestSession(session_mode,session_init).then(function(session){GodotWebXR.session=session;session.addEventListener("end",function(evt){onended()});session.addEventListener("inputsourceschange",function(evt){evt.added.forEach(GodotWebXR.addInputSource);evt.removed.forEach(GodotWebXR.removeInputSource)});["selectstart","selectend","squeezestart","squeezeend"].forEach((input_event,index)=>{session.addEventListener(input_event,function(evt){GodotWebXR.frame=evt.frame;oninputevent(index,GodotWebXR.getInputSourceId(evt.inputSource));GodotWebXR.frame=null})});session.addEventListener("visibilitychange",function(evt){const c_str=GodotRuntime.allocString("visibility_state_changed");onsimpleevent(c_str);GodotRuntime.free(c_str)});GodotWebXR.onsimpleevent=onsimpleevent;const gl_context_handle=_emscripten_webgl_get_current_context();const gl=GL.getContext(gl_context_handle).GLctx;GodotWebXR.gl=gl;gl.makeXRCompatible().then(function(){GodotWebXR.gl_binding=new XRWebGLBinding(session,gl);GodotWebXR.getLayer();function onReferenceSpaceSuccess(reference_space,reference_space_type){GodotWebXR.space=reference_space;reference_space.onreset=function(evt){const c_str=GodotRuntime.allocString("reference_space_reset");onsimpleevent(c_str);GodotRuntime.free(c_str)};GodotWebXR.pauseResumeMainLoop();window.setTimeout(function(){const reference_space_c_str=GodotRuntime.allocString(reference_space_type);const enabled_features="enabledFeatures"in session?Array.from(session.enabledFeatures):[];const enabled_features_c_str=GodotRuntime.allocString(enabled_features.join(","));const environment_blend_mode="environmentBlendMode"in session?session.environmentBlendMode:"";const environment_blend_mode_c_str=GodotRuntime.allocString(environment_blend_mode);onstarted(reference_space_c_str,enabled_features_c_str,environment_blend_mode_c_str);GodotRuntime.free(reference_space_c_str);GodotRuntime.free(enabled_features_c_str);GodotRuntime.free(environment_blend_mode_c_str)},0)}function requestReferenceSpace(){const reference_space_type=requested_reference_space_types.shift();session.requestReferenceSpace(reference_space_type).then(refSpace=>{onReferenceSpaceSuccess(refSpace,reference_space_type)}).catch(()=>{if(requested_reference_space_types.length===0){const c_str=GodotRuntime.allocString("Unable to get any of the requested reference space types");onfailed(c_str);GodotRuntime.free(c_str)}else{requestReferenceSpace()}})}requestReferenceSpace()}).catch(function(error){const c_str=GodotRuntime.allocString(`Unable to make WebGL context compatible with WebXR: ${error}`);onfailed(c_str);GodotRuntime.free(c_str)})}).catch(function(error){const c_str=GodotRuntime.allocString(`Unable to start session: ${error}`);onfailed(c_str);GodotRuntime.free(c_str)})};function _godot_webxr_is_session_supported(p_session_mode,p_callback){const session_mode=GodotRuntime.parseString(p_session_mode);const cb=GodotRuntime.get_func(p_callback);if(navigator.xr){navigator.xr.isSessionSupported(session_mode).then(function(supported){const c_str=GodotRuntime.allocString(session_mode);cb(c_str,supported?1:0);GodotRuntime.free(c_str)})}else{const c_str=GodotRuntime.allocString(session_mode);cb(c_str,0);GodotRuntime.free(c_str)}}function _godot_webxr_is_supported(){return!!navigator.xr}var 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space=GodotWebXR.space;const target_pose=frame.getPose(input_source.targetRaySpace,space);if(!target_pose){return false}const target_pose_matrix=target_pose.transform.matrix;for(let i=0;i<16;i++){GodotRuntime.setHeapValue(r_target_pose+i*4,target_pose_matrix[i],"float")}let target_ray_mode=0;switch(input_source.targetRayMode){case"gaze":target_ray_mode=1;break;case"tracked-pointer":target_ray_mode=2;break;case"screen":target_ray_mode=3;break;default:}GodotRuntime.setHeapValue(r_target_ray_mode,target_ray_mode,"i32");GodotRuntime.setHeapValue(r_touch_index,GodotWebXR.getTouchIndex(input_source),"i32");let has_grip_pose=false;if(input_source.gripSpace){const grip_pose=frame.getPose(input_source.gripSpace,space);if(grip_pose){const grip_pose_matrix=grip_pose.transform.matrix;for(let i=0;i<16;i++){GodotRuntime.setHeapValue(r_grip_pose+i*4,grip_pose_matrix[i],"float")}has_grip_pose=true}}GodotRuntime.setHeapValue(r_has_grip_pose,has_grip_pose?1:0,"i32");let has_standard_mapping=false;let button_count=0;let axes_count=0;if(input_source.gamepad){if(input_source.gamepad.mapping==="xr-standard"){has_standard_mapping=true}button_count=Math.min(input_source.gamepad.buttons.length,10);for(let i=0;i<button_count;i++){GodotRuntime.setHeapValue(r_buttons+i*4,input_source.gamepad.buttons[i].value,"float")}axes_count=Math.min(input_source.gamepad.axes.length,10);for(let i=0;i<axes_count;i++){GodotRuntime.setHeapValue(r_axes+i*4,input_source.gamepad.axes[i],"float")}}GodotRuntime.setHeapValue(r_has_standard_mapping,has_standard_mapping?1:0,"i32");GodotRuntime.setHeapValue(r_button_count,button_count,"i32");GodotRuntime.setHeapValue(r_axes_count,axes_count,"i32");let has_hand_data=false;if(input_source.hand&&r_hand_joints!==0&&r_hand_radii!==0){const hand_joint_array=new Float32Array(25*16);const hand_radii_array=new 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wasmExports=createWasm();var ___wasm_call_ctors=()=>(___wasm_call_ctors=wasmExports["mf"])();var _free=a0=>(_free=wasmExports["nf"])(a0);var __Z14godot_web_mainiPPc=Module["__Z14godot_web_mainiPPc"]=(a0,a1)=>(__Z14godot_web_mainiPPc=Module["__Z14godot_web_mainiPPc"]=wasmExports["of"])(a0,a1);var _main=Module["_main"]=(a0,a1)=>(_main=Module["_main"]=wasmExports["pf"])(a0,a1);var _malloc=a0=>(_malloc=wasmExports["qf"])(a0);var _fflush=a0=>(_fflush=wasmExports["rf"])(a0);var _htonl=a0=>(_htonl=wasmExports["sf"])(a0);var _htons=a0=>(_htons=wasmExports["tf"])(a0);var _ntohs=a0=>(_ntohs=wasmExports["uf"])(a0);var __emwebxr_on_input_event=Module["__emwebxr_on_input_event"]=(a0,a1)=>(__emwebxr_on_input_event=Module["__emwebxr_on_input_event"]=wasmExports["vf"])(a0,a1);var __emwebxr_on_simple_event=Module["__emwebxr_on_simple_event"]=a0=>(__emwebxr_on_simple_event=Module["__emwebxr_on_simple_event"]=wasmExports["wf"])(a0);var ___funcs_on_exit=()=>(___funcs_on_exit=wasmExports["yf"])();var __emscripten_stack_restore=a0=>(__emscripten_stack_restore=wasmExports["zf"])(a0);var __emscripten_stack_alloc=a0=>(__emscripten_stack_alloc=wasmExports["Af"])(a0);var _emscripten_stack_get_current=()=>(_emscripten_stack_get_current=wasmExports["Bf"])();Module["callMain"]=callMain;Module["cwrap"]=cwrap;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function callMain(args=[]){var entryFunction=_main;args.unshift(thisProgram);var argc=args.length;var argv=stackAlloc((argc+1)*4);var argv_ptr=argv;args.forEach(arg=>{HEAPU32[argv_ptr>>2]=stringToUTF8OnStack(arg);argv_ptr+=4});HEAPU32[argv_ptr>>2]=0;try{var ret=entryFunction(argc,argv);exitJS(ret,true);return ret}catch(e){return handleException(e)}}function run(args=arguments_){if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();preMain();readyPromiseResolve(Module);Module["onRuntimeInitialized"]?.();if(shouldRunNow)callMain(args);postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}var shouldRunNow=false;if(Module["noInitialRun"])shouldRunNow=false;run();moduleRtn=readyPromise;


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

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

	/**
	 * Check whether the Fetch API available and supports streaming responses.
	 *
	 * @returns {boolean} If the Fetch API is available and supports streaming responses.
	 * @function Engine.isFetchAvailable
	 */
	isFetchAvailable: function () {
		return 'fetch' in window && 'Response' in window && 'body' in window.Response.prototype;
	},

	/**
	 * Check whether the engine is running in a Secure Context.
	 *
	 * @returns {boolean} If the engine is running in a Secure Context.
	 * @function Engine.isSecureContext
	 */
	isSecureContext: function () {
		return window['isSecureContext'] === true;
	},

	/**
	 * Check whether the engine is cross origin isolated.
	 * This value is dependent on Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy headers sent by the server.
	 *
	 * @returns {boolean} If the engine is running in a Secure Context.
	 * @function Engine.isSecureContext
	 */
	isCrossOriginIsolated: function () {
		return window['crossOriginIsolated'] === true;
	},

	/**
	 * Check whether SharedBufferArray is available.
	 *
	 * Most browsers require the page to be running in a secure context, and the
	 * the server to provide specific CORS headers for SharedArrayBuffer to be available.
	 *
	 * @returns {boolean} If SharedArrayBuffer is available.
	 * @function Engine.isSharedArrayBufferAvailable
	 */
	isSharedArrayBufferAvailable: function () {
		return 'SharedArrayBuffer' in window;
	},

	/**
	 * Check whether the AudioContext supports AudioWorkletNodes.
	 *
	 * @returns {boolean} If AudioWorkletNode is available.
	 * @function Engine.isAudioWorkletAvailable
	 */
	isAudioWorkletAvailable: function () {
		return 'AudioContext' in window && 'audioWorklet' in AudioContext.prototype;
	},

	/**
	 * Return an array of missing required features (as string).
	 *
	 * @returns {Array<string>} A list of human-readable missing features.
	 * @function Engine.getMissingFeatures
	 * @param {{threads: (boolean|undefined)}} supportedFeatures
	 */
	getMissingFeatures: function (supportedFeatures = {}) {
		const {
			// Quotes are needed for the Closure compiler.
			'threads': supportsThreads = true,
		} = supportedFeatures;

		const missing = [];
		if (!Features.isWebGLAvailable(2)) {
			missing.push('WebGL2 - Check web browser configuration and hardware support');
		}
		if (!Features.isFetchAvailable()) {
			missing.push('Fetch - Check web browser version');
		}
		if (!Features.isSecureContext()) {
			missing.push('Secure Context - Check web server configuration (use HTTPS)');
		}

		if (supportsThreads) {
			if (!Features.isCrossOriginIsolated()) {
				missing.push('Cross-Origin Isolation - Check that the web server configuration sends the correct headers.');
			}
			if (!Features.isSharedArrayBufferAvailable()) {
				missing.push('SharedArrayBuffer - Check that the web server configuration sends the correct headers.');
			}
		}

		// Audio is normally optional since we have a dummy fallback.
		return missing;
	},
};

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

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

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

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

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

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

	this.animateProgress = animateProgress;

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

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

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

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

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

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

	Config.prototype = cfg;

	/**
	 * @ignore
	 * @param {EngineConfig} opts
	 */
	Config.prototype.update = function (opts) {
		const config = opts || {};
		// NOTE: We must explicitly pass the default, accessing it via
		// the key will fail due to closure compiler renames.
		function parse(key, def) {
			if (typeof (config[key]) === 'undefined') {
				return def;
			}
			return config[key];
		}
		// Module config
		this.unloadAfterInit = parse('unloadAfterInit', this.unloadAfterInit);
		this.onPrintError = parse('onPrintError', this.onPrintError);
		this.onPrint = parse('onPrint', this.onPrint);
		this.onProgress = parse('onProgress', this.onProgress);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

					// Preload GDExtension libraries.
					if (me.config.gdextensionLibs.length > 0 && !me.rtenv['loadDynamicLibrary']) {
						return Promise.reject(new Error('GDExtension libraries are not supported by this engine version. '
							+ 'Enable "Extensions Support" for your export preset and/or build your custom template with "dlink_enabled=yes".'));
					}
					return new Promise(function (resolve, reject) {
						for (const file of preloader.preloadedFiles) {
							me.rtenv['copyToFS'](file.path, file.buffer);
						}
						preloader.preloadedFiles.length = 0; // Clear memory
						me.rtenv['callMain'](me.config.args);
						initPromise = null;
						me.installServiceWorker();
						resolve();
					});
				});
			},

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

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

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

			/**
			 * Install the progressive-web app service worker.
			 * @returns {Promise} The service worker registration promise.
			 */
			installServiceWorker: function () {
				if (this.config.serviceWorker && 'serviceWorker' in navigator) {
					return navigator.serviceWorker.register(this.config.serviceWorker);
				}
				return Promise.resolve();
			},
		};

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

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

	// Feature-detection utilities.
	SafeEngine['isWebGLAvailable'] = Features.isWebGLAvailable;
	SafeEngine['isFetchAvailable'] = Features.isFetchAvailable;
	SafeEngine['isSecureContext'] = Features.isSecureContext;
	SafeEngine['isCrossOriginIsolated'] = Features.isCrossOriginIsolated;
	SafeEngine['isSharedArrayBufferAvailable'] = Features.isSharedArrayBufferAvailable;
	SafeEngine['isAudioWorkletAvailable'] = Features.isAudioWorkletAvailable;
	SafeEngine['getMissingFeatures'] = Features.getMissingFeatures;

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