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Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE; - - var REMOTE_PACKAGE_SIZE = metadata['remote_package_size']; - var PACKAGE_UUID = metadata['package_uuid']; - - function fetchRemotePackage(packageName, packageSize, callback, errback) { - if (typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string') { - require('fs').readFile(packageName, function(err, contents) { - if (err) { - errback(err); - } else { - callback(contents.buffer); - } - }); - return; - } - var xhr = new XMLHttpRequest(); - xhr.open('GET', packageName, true); - xhr.responseType = 'arraybuffer'; - xhr.onprogress = function(event) { - var url = packageName; - var size = packageSize; - if (event.total) size = event.total; - if (event.loaded) { - if (!xhr.addedTotal) { - xhr.addedTotal = true; - if (!Module.dataFileDownloads) Module.dataFileDownloads = {}; - Module.dataFileDownloads[url] = { - loaded: event.loaded, - total: size - }; - } else { - Module.dataFileDownloads[url].loaded = event.loaded; - } - var total = 0; - var loaded = 0; - var num = 0; - for (var download in Module.dataFileDownloads) { - var data = Module.dataFileDownloads[download]; - total += data.total; - loaded += data.loaded; - num++; - } - total = Math.ceil(total * Module.expectedDataFileDownloads/num); - if (Module['setStatus']) Module['setStatus']('Downloading data... (' + loaded + '/' + total + ')'); - } else if (!Module.dataFileDownloads) { - if (Module['setStatus']) Module['setStatus']('Downloading data...'); - } - }; - xhr.onerror = function(event) { - throw new Error("NetworkError for: " + packageName); - } - xhr.onload = function(event) { - if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 - var packageData = xhr.response; - callback(packageData); - } else { - throw new Error(xhr.statusText + " : " + xhr.responseURL); - } - }; - xhr.send(null); - }; - - function handleError(error) { - console.error('package error:', error); - }; - - var fetchedCallback = null; - var fetched = Module['getPreloadedPackage'] ? Module['getPreloadedPackage'](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null; - - if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) { - if (fetchedCallback) { - fetchedCallback(data); - fetchedCallback = null; - } else { - fetched = data; - } - }, handleError); - - function runWithFS() { - - function assert(check, msg) { - if (!check) throw msg + new Error().stack; - } -Module['FS_createPath']("/", "assets", true, true); - - /** @constructor */ - function DataRequest(start, end, audio) { - this.start = start; - this.end = end; - this.audio = audio; - } - DataRequest.prototype = { - requests: {}, - open: function(mode, name) { - this.name = name; - this.requests[name] = this; - Module['addRunDependency']('fp ' + this.name); - }, - send: function() {}, - onload: function() { - var byteArray = this.byteArray.subarray(this.start, this.end); - this.finish(byteArray); - }, - finish: function(byteArray) { - var that = this; - // canOwn this data in the filesystem, it is a slide into the heap that will never change - Module['FS_createDataFile'](this.name, null, byteArray, true, true, true); - Module['removeRunDependency']('fp ' + that.name); - this.requests[this.name] = null; - } - }; - - var files = metadata['files']; - for (var i = 0; i < files.length; ++i) { - new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio'] || 0).open('GET', files[i]['filename']); - } - - function processPackageData(arrayBuffer) { - assert(arrayBuffer, 'Loading data file failed.'); - assert(arrayBuffer instanceof ArrayBuffer, 'bad input to processPackageData'); - var byteArray = new Uint8Array(arrayBuffer); - var curr; - // Reuse the bytearray from the XHR as the source for file reads. - DataRequest.prototype.byteArray = byteArray; - var files = metadata['files']; - for (var i = 0; i < files.length; ++i) { - DataRequest.prototype.requests[files[i].filename].onload(); - } Module['removeRunDependency']('datafile_FinalProject.data'); - - }; - Module['addRunDependency']('datafile_FinalProject.data'); - - if (!Module.preloadResults) Module.preloadResults = {}; - - Module.preloadResults[PACKAGE_NAME] = {fromCache: false}; - if (fetched) { - processPackageData(fetched); - fetched = null; - } else { - fetchedCallback = processPackageData; - } - - } - if (Module['calledRun']) { - runWithFS(); - } else { - if (!Module['preRun']) Module['preRun'] = []; - Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it - } - - } - loadPackage({"files": [{"filename": "/assets/test.txt", "start": 0, "end": 124}], "remote_package_size": 124, "package_uuid": "c37e6452-71f0-45f2-a39b-28f17f95edfe"}); - - })(); - - - // All the pre-js content up to here must remain later on, we need to run - // it. - if (Module['ENVIRONMENT_IS_PTHREAD']) Module['preRun'] = []; - var necessaryPreJSTasks = Module['preRun'].slice(); - - if (!Module['preRun']) throw 'Module.preRun should exist because file support used it; did a pre-js delete it?'; - necessaryPreJSTasks.forEach(function(task) { - if (Module['preRun'].indexOf(task) < 0) throw 'All preRun tasks that exist before user pre-js code should remain after; did you replace Module or modify Module.preRun?'; - }); - - -// Sometimes an existing Module object exists with properties -// meant to overwrite the default module functionality. Here -// we collect those properties and reapply _after_ we configure -// the current environment's defaults to avoid having to be so -// defensive during initialization. -var moduleOverrides = Object.assign({}, Module); - -var arguments_ = []; -var thisProgram = './this.program'; -var quit_ = (status, toThrow) => { - throw toThrow; -}; - -// Determine the runtime environment we are in. You can customize this by -// setting the ENVIRONMENT setting at compile time (see settings.js). - -// Attempt to auto-detect the environment -var ENVIRONMENT_IS_WEB = typeof window == 'object'; -var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; -// N.b. Electron.js environment is simultaneously a NODE-environment, but -// also a web environment. -var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string'; -var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; - -if (Module['ENVIRONMENT']) { - throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)'); -} - -// `/` should be present at the end if `scriptDirectory` is not empty -var scriptDirectory = ''; -function locateFile(path) { - if (Module['locateFile']) { - return Module['locateFile'](path, scriptDirectory); - } - return scriptDirectory + path; -} - -// Hooks that are implemented differently in different runtime environments. -var read_, - readAsync, - readBinary, - setWindowTitle; - -// Normally we don't log exceptions but instead let them bubble out the top -// level where the embedding environment (e.g. the browser) can handle -// them. -// However under v8 and node we sometimes exit the process direcly in which case -// its up to use us to log the exception before exiting. -// If we fix https://github.com/emscripten-core/emscripten/issues/15080 -// this may no longer be needed under node. -function logExceptionOnExit(e) { - if (e instanceof ExitStatus) return; - let toLog = e; - if (e && typeof e == 'object' && e.stack) { - toLog = [e, e.stack]; - } - err('exiting due to exception: ' + toLog); -} - -var fs; -var nodePath; -var requireNodeFS; - -if (ENVIRONMENT_IS_NODE) { - if (!(typeof process == 'object' && typeof require == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); - if (ENVIRONMENT_IS_WORKER) { - scriptDirectory = require('path').dirname(scriptDirectory) + '/'; - } else { - scriptDirectory = __dirname + '/'; - } - -// include: node_shell_read.js - - -requireNodeFS = () => { - // Use nodePath as the indicator for these not being initialized, - // since in some environments a global fs may have already been - // created. - if (!nodePath) { - fs = require('fs'); - nodePath = require('path'); - } -}; - -read_ = function shell_read(filename, binary) { - requireNodeFS(); - filename = nodePath['normalize'](filename); - return fs.readFileSync(filename, binary ? undefined : 'utf8'); -}; - -readBinary = (filename) => { - var ret = read_(filename, true); - if (!ret.buffer) { - ret = new Uint8Array(ret); - } - assert(ret.buffer); - return ret; -}; - -readAsync = (filename, onload, onerror) => { - requireNodeFS(); - filename = nodePath['normalize'](filename); - fs.readFile(filename, function(err, data) { - if (err) onerror(err); - else onload(data.buffer); - }); -}; - -// end include: node_shell_read.js - if (process['argv'].length > 1) { - thisProgram = process['argv'][1].replace(/\\/g, '/'); - } - - arguments_ = process['argv'].slice(2); - - if (typeof module != 'undefined') { - module['exports'] = Module; - } - - process['on']('uncaughtException', function(ex) { - // suppress ExitStatus exceptions from showing an error - if (!(ex instanceof ExitStatus)) { - throw ex; - } - }); - - // Without this older versions of node (< v15) will log unhandled rejections - // but return 0, which is not normally the desired behaviour. This is - // not be needed with node v15 and about because it is now the default - // behaviour: - // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode - process['on']('unhandledRejection', function(reason) { throw reason; }); - - quit_ = (status, toThrow) => { - if (keepRuntimeAlive()) { - process['exitCode'] = status; - throw toThrow; - } - logExceptionOnExit(toThrow); - process['exit'](status); - }; - - Module['inspect'] = function () { return '[Emscripten Module object]'; }; - -} else -if (ENVIRONMENT_IS_SHELL) { - - if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); - - if (typeof read != 'undefined') { - read_ = function shell_read(f) { - return read(f); - }; - } - - readBinary = function readBinary(f) { - let data; - if (typeof readbuffer == 'function') { - return new Uint8Array(readbuffer(f)); - } - data = read(f, 'binary'); - assert(typeof data == 'object'); - return data; - }; - - readAsync = function readAsync(f, onload, onerror) { - setTimeout(() => onload(readBinary(f)), 0); - }; - - if (typeof scriptArgs != 'undefined') { - arguments_ = scriptArgs; - } else if (typeof arguments != 'undefined') { - arguments_ = arguments; - } - - if (typeof quit == 'function') { - quit_ = (status, toThrow) => { - // Unlike node which has process.exitCode, d8 has no such mechanism. So we - // have no way to set the exit code and then let the program exit with - // that code when it naturally stops running (say, when all setTimeouts - // have completed). For that reason we must call `quit` - the only way to - // set the exit code - but quit also halts immediately, so we need to be - // careful of whether the runtime is alive or not, which is why this code - // path looks different than node. It also has the downside that it will - // halt the entire program when no code remains to run, which means this - // is not friendly for bundling this code into a larger codebase, and for - // that reason the "shell" environment is mainly useful for testing whole - // programs by themselves, basically. - if (runtimeKeepaliveCounter) { - throw toThrow; - } - logExceptionOnExit(toThrow); - quit(status); - }; - } - - if (typeof print != 'undefined') { - // Prefer to use print/printErr where they exist, as they usually work better. - if (typeof console == 'undefined') console = /** @type{!Console} */({}); - console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); - console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); - } - -} else - -// Note that this includes Node.js workers when relevant (pthreads is enabled). -// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and -// ENVIRONMENT_IS_NODE. -if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { - if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled - scriptDirectory = self.location.href; - } else if (typeof document != 'undefined' && document.currentScript) { // web - scriptDirectory = document.currentScript.src; - } - // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. - // otherwise, slice off the final part of the url to find the script directory. - // if scriptDirectory does not contain a slash, lastIndexOf will return -1, - // and scriptDirectory will correctly be replaced with an empty string. - // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), - // they are removed because they could contain a slash. - if (scriptDirectory.indexOf('blob:') !== 0) { - scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); - } else { - scriptDirectory = ''; - } - - if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); - - // Differentiate the Web Worker from the Node Worker case, as reading must - // be done differently. - { -// include: web_or_worker_shell_read.js - - - read_ = (url) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - xhr.send(null); - return xhr.responseText; - } - - if (ENVIRONMENT_IS_WORKER) { - readBinary = (url) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - xhr.responseType = 'arraybuffer'; - xhr.send(null); - return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); - }; - } - - readAsync = (url, onload, onerror) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, true); - xhr.responseType = 'arraybuffer'; - xhr.onload = () => { - if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 - onload(xhr.response); - return; - } - onerror(); - }; - xhr.onerror = onerror; - xhr.send(null); - } - -// end include: web_or_worker_shell_read.js - } - - setWindowTitle = (title) => document.title = title; -} else -{ - throw new Error('environment detection error'); -} - -var out = Module['print'] || console.log.bind(console); -var err = Module['printErr'] || console.warn.bind(console); - -// Merge back in the overrides -Object.assign(Module, moduleOverrides); -// Free the object hierarchy contained in the overrides, this lets the GC -// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. -moduleOverrides = null; -checkIncomingModuleAPI(); - -// Emit code to handle expected values on the Module object. This applies Module.x -// to the proper local x. This has two benefits: first, we only emit it if it is -// expected to arrive, and second, by using a local everywhere else that can be -// minified. - -if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); - -if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); - -if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); - -// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message -// Assertions on removed incoming Module JS APIs. -assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); -assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); -assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); -assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); -assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); -legacyModuleProp('read', 'read_'); -legacyModuleProp('readAsync', 'readAsync'); -legacyModuleProp('readBinary', 'readBinary'); -legacyModuleProp('setWindowTitle', 'setWindowTitle'); -var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; -var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; -var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; -var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; - - -assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-s ENVIRONMENT` to enable."); - - - - -var STACK_ALIGN = 16; -var POINTER_SIZE = 4; - -function getNativeTypeSize(type) { - switch (type) { - case 'i1': case 'i8': return 1; - case 'i16': return 2; - case 'i32': return 4; - case 'i64': return 8; - case 'float': return 4; - case 'double': return 8; - default: { - if (type[type.length - 1] === '*') { - return POINTER_SIZE; - } else if (type[0] === 'i') { - const bits = Number(type.substr(1)); - assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); - return bits / 8; - } else { - return 0; - } - } - } -} - -function warnOnce(text) { - if (!warnOnce.shown) warnOnce.shown = {}; - if (!warnOnce.shown[text]) { - warnOnce.shown[text] = 1; - err(text); - } -} - -// include: runtime_functions.js - - -// Wraps a JS function as a wasm function with a given signature. -function convertJsFunctionToWasm(func, sig) { - - // If the type reflection proposal is available, use the new - // "WebAssembly.Function" constructor. - // Otherwise, construct a minimal wasm module importing the JS function and - // re-exporting it. - if (typeof WebAssembly.Function == "function") { - var typeNames = { - 'i': 'i32', - 'j': 'i64', - 'f': 'f32', - 'd': 'f64' - }; - var type = { - parameters: [], - results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] - }; - for (var i = 1; i < sig.length; ++i) { - type.parameters.push(typeNames[sig[i]]); - } - return new WebAssembly.Function(type, func); - } - - // The module is static, with the exception of the type section, which is - // generated based on the signature passed in. - var typeSection = [ - 0x01, // id: section, - 0x00, // length: 0 (placeholder) - 0x01, // count: 1 - 0x60, // form: func - ]; - var sigRet = sig.slice(0, 1); - var sigParam = sig.slice(1); - var typeCodes = { - 'i': 0x7f, // i32 - 'j': 0x7e, // i64 - 'f': 0x7d, // f32 - 'd': 0x7c, // f64 - }; - - // Parameters, length + signatures - typeSection.push(sigParam.length); - for (var i = 0; i < sigParam.length; ++i) { - typeSection.push(typeCodes[sigParam[i]]); - } - - // Return values, length + signatures - // With no multi-return in MVP, either 0 (void) or 1 (anything else) - if (sigRet == 'v') { - typeSection.push(0x00); - } else { - typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); - } - - // Write the overall length of the type section back into the section header - // (excepting the 2 bytes for the section id and length) - typeSection[1] = typeSection.length - 2; - - // Rest of the module is static - var bytes = new Uint8Array([ - 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") - 0x01, 0x00, 0x00, 0x00, // version: 1 - ].concat(typeSection, [ - 0x02, 0x07, // import section - // (import "e" "f" (func 0 (type 0))) - 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, - 0x07, 0x05, // export section - // (export "f" (func 0 (type 0))) - 0x01, 0x01, 0x66, 0x00, 0x00, - ])); - - // We can compile this wasm module synchronously because it is very small. - // This accepts an import (at "e.f"), that it reroutes to an export (at "f") - var module = new WebAssembly.Module(bytes); - var instance = new WebAssembly.Instance(module, { - 'e': { - 'f': func - } - }); - var wrappedFunc = instance.exports['f']; - return wrappedFunc; -} - -var freeTableIndexes = []; - -// Weak map of functions in the table to their indexes, created on first use. -var functionsInTableMap; - -function getEmptyTableSlot() { - // Reuse a free index if there is one, otherwise grow. - if (freeTableIndexes.length) { - return freeTableIndexes.pop(); - } - // Grow the table - try { - wasmTable.grow(1); - } catch (err) { - if (!(err instanceof RangeError)) { - throw err; - } - throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; - } - return wasmTable.length - 1; -} - -function updateTableMap(offset, count) { - for (var i = offset; i < offset + count; i++) { - var item = getWasmTableEntry(i); - // Ignore null values. - if (item) { - functionsInTableMap.set(item, i); - } - } -} - -/** - * Add a function to the table. - * 'sig' parameter is required if the function being added is a JS function. - * @param {string=} sig - */ -function addFunction(func, sig) { - assert(typeof func != 'undefined'); - - // Check if the function is already in the table, to ensure each function - // gets a unique index. First, create the map if this is the first use. - if (!functionsInTableMap) { - functionsInTableMap = new WeakMap(); - updateTableMap(0, wasmTable.length); - } - if (functionsInTableMap.has(func)) { - return functionsInTableMap.get(func); - } - - // It's not in the table, add it now. - - var ret = getEmptyTableSlot(); - - // Set the new value. - try { - // Attempting to call this with JS function will cause of table.set() to fail - setWasmTableEntry(ret, func); - } catch (err) { - if (!(err instanceof TypeError)) { - throw err; - } - assert(typeof sig != 'undefined', 'Missing signature argument to addFunction: ' + func); - var wrapped = convertJsFunctionToWasm(func, sig); - setWasmTableEntry(ret, wrapped); - } - - functionsInTableMap.set(func, ret); - - return ret; -} - -function removeFunction(index) { - functionsInTableMap.delete(getWasmTableEntry(index)); - freeTableIndexes.push(index); -} - -// end include: runtime_functions.js -// include: runtime_debug.js - - -function legacyModuleProp(prop, newName) { - if (!Object.getOwnPropertyDescriptor(Module, prop)) { - Object.defineProperty(Module, prop, { - configurable: true, - get: function() { - abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); - } - }); - } -} - -function ignoredModuleProp(prop) { - if (Object.getOwnPropertyDescriptor(Module, prop)) { - abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); - } -} - -function unexportedMessage(sym, isFSSybol) { - var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; - if (isFSSybol) { - msg += '. Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you'; - } - return msg; -} - -function unexportedRuntimeSymbol(sym, isFSSybol) { - if (!Object.getOwnPropertyDescriptor(Module, sym)) { - Object.defineProperty(Module, sym, { - configurable: true, - get: function() { - abort(unexportedMessage(sym, isFSSybol)); - } - }); - } -} - -function unexportedRuntimeFunction(sym, isFSSybol) { - if (!Object.getOwnPropertyDescriptor(Module, sym)) { - Module[sym] = () => abort(unexportedMessage(sym, isFSSybol)); - } -} - -// end include: runtime_debug.js -var tempRet0 = 0; -var setTempRet0 = (value) => { tempRet0 = value; }; -var getTempRet0 = () => tempRet0; - - - -// === Preamble library stuff === - -// Documentation for the public APIs defined in this file must be updated in: -// site/source/docs/api_reference/preamble.js.rst -// A prebuilt local version of the documentation is available at: -// site/build/text/docs/api_reference/preamble.js.txt -// You can also build docs locally as HTML or other formats in site/ -// An online HTML version (which may be of a different version of Emscripten) -// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html - -var wasmBinary; -if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); -var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); - -if (typeof WebAssembly != 'object') { - abort('no native wasm support detected'); -} - -// include: runtime_safe_heap.js - - -// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking. -// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties) - -/** @param {number} ptr - @param {number} value - @param {string} type - @param {number|boolean=} noSafe */ -function setValue(ptr, value, type = 'i8', noSafe) { - if (type.charAt(type.length-1) === '*') type = 'i32'; - switch (type) { - case 'i1': HEAP8[((ptr)>>0)] = value; break; - case 'i8': HEAP8[((ptr)>>0)] = value; break; - case 'i16': HEAP16[((ptr)>>1)] = value; break; - case 'i32': HEAP32[((ptr)>>2)] = value; break; - case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; - case 'float': HEAPF32[((ptr)>>2)] = value; break; - case 'double': HEAPF64[((ptr)>>3)] = value; break; - default: abort('invalid type for setValue: ' + type); - } -} - -/** @param {number} ptr - @param {string} type - @param {number|boolean=} noSafe */ -function getValue(ptr, type = 'i8', noSafe) { - if (type.charAt(type.length-1) === '*') type = 'i32'; - switch (type) { - case 'i1': return HEAP8[((ptr)>>0)]; - case 'i8': return HEAP8[((ptr)>>0)]; - case 'i16': return HEAP16[((ptr)>>1)]; - case 'i32': return HEAP32[((ptr)>>2)]; - case 'i64': return HEAP32[((ptr)>>2)]; - case 'float': return HEAPF32[((ptr)>>2)]; - case 'double': return Number(HEAPF64[((ptr)>>3)]); - default: abort('invalid type for getValue: ' + type); - } - return null; -} - -// end include: runtime_safe_heap.js -// Wasm globals - -var wasmMemory; - -//======================================== -// Runtime essentials -//======================================== - -// whether we are quitting the application. no code should run after this. -// set in exit() and abort() -var ABORT = false; - -// set by exit() and abort(). Passed to 'onExit' handler. -// NOTE: This is also used as the process return code code in shell environments -// but only when noExitRuntime is false. -var EXITSTATUS; - -/** @type {function(*, string=)} */ -function assert(condition, text) { - if (!condition) { - abort('Assertion failed' + (text ? ': ' + text : '')); - } -} - -// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) -function getCFunc(ident) { - var func = Module['_' + ident]; // closure exported function - assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); - return func; -} - -// C calling interface. -/** @param {string|null=} returnType - @param {Array=} argTypes - @param {Arguments|Array=} args - @param {Object=} opts */ -function ccall(ident, returnType, argTypes, args, opts) { - // For fast lookup of conversion functions - var toC = { - 'string': function(str) { - var ret = 0; - if (str !== null && str !== undefined && str !== 0) { // null string - // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' - var len = (str.length << 2) + 1; - ret = stackAlloc(len); - stringToUTF8(str, ret, len); - } - return ret; - }, - 'array': function(arr) { - var ret = stackAlloc(arr.length); - writeArrayToMemory(arr, ret); - return ret; - } - }; - - function convertReturnValue(ret) { - if (returnType === 'string') return UTF8ToString(ret); - if (returnType === 'boolean') return Boolean(ret); - return ret; - } - - var func = getCFunc(ident); - var cArgs = []; - var stack = 0; - assert(returnType !== 'array', 'Return type should not be "array".'); - if (args) { - for (var i = 0; i < args.length; i++) { - var converter = toC[argTypes[i]]; - if (converter) { - if (stack === 0) stack = stackSave(); - cArgs[i] = converter(args[i]); - } else { - cArgs[i] = args[i]; - } - } - } - var ret = func.apply(null, cArgs); - function onDone(ret) { - if (stack !== 0) stackRestore(stack); - return convertReturnValue(ret); - } - - ret = onDone(ret); - return ret; -} - -/** @param {string=} returnType - @param {Array=} argTypes - @param {Object=} opts */ -function cwrap(ident, returnType, argTypes, opts) { - return function() { - return ccall(ident, returnType, argTypes, arguments, opts); - } -} - -// We used to include malloc/free by default in the past. Show a helpful error in -// builds with assertions. - -// include: runtime_legacy.js - - -var ALLOC_NORMAL = 0; // Tries to use _malloc() -var ALLOC_STACK = 1; // Lives for the duration of the current function call - -/** - * allocate(): This function is no longer used by emscripten but is kept around to avoid - * breaking external users. - * You should normally not use allocate(), and instead allocate - * memory using _malloc()/stackAlloc(), initialize it with - * setValue(), and so forth. - * @param {(Uint8Array|Array)} slab: An array of data. - * @param {number=} allocator : How to allocate memory, see ALLOC_* - */ -function allocate(slab, allocator) { - var ret; - assert(typeof allocator == 'number', 'allocate no longer takes a type argument') - assert(typeof slab != 'number', 'allocate no longer takes a number as arg0') - - if (allocator == ALLOC_STACK) { - ret = stackAlloc(slab.length); - } else { - ret = _malloc(slab.length); - } - - if (!slab.subarray && !slab.slice) { - slab = new Uint8Array(slab); - } - HEAPU8.set(slab, ret); - return ret; -} - -// end include: runtime_legacy.js -// include: runtime_strings.js - - -// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. - -// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns -// a copy of that string as a Javascript String object. - -var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; - -/** - * @param {number} idx - * @param {number=} maxBytesToRead - * @return {string} - */ -function UTF8ArrayToString(heap, idx, maxBytesToRead) { - var endIdx = idx + maxBytesToRead; - var endPtr = idx; - // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. - // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. - // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) - while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr; - - if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) { - return UTF8Decoder.decode(heap.subarray(idx, endPtr)); - } else { - var str = ''; - // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that - while (idx < endPtr) { - // For UTF8 byte structure, see: - // http://en.wikipedia.org/wiki/UTF-8#Description - // https://www.ietf.org/rfc/rfc2279.txt - // https://tools.ietf.org/html/rfc3629 - var u0 = heap[idx++]; - if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } - var u1 = heap[idx++] & 63; - if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } - var u2 = heap[idx++] & 63; - if ((u0 & 0xF0) == 0xE0) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); - u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63); - } - - if (u0 < 0x10000) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } - } - } - return str; -} - -// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a -// copy of that string as a Javascript String object. -// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit -// this parameter to scan the string until the first \0 byte. If maxBytesToRead is -// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the -// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will -// not produce a string of exact length [ptr, ptr+maxBytesToRead[) -// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may -// throw JS JIT optimizations off, so it is worth to consider consistently using one -// style or the other. -/** - * @param {number} ptr - * @param {number=} maxBytesToRead - * @return {string} - */ -function UTF8ToString(ptr, maxBytesToRead) { - ; - return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; -} - -// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', -// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. -// outIdx: The starting offset in the array to begin the copying. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. -// This count should include the null terminator, -// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. -// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { - if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. - return 0; - - var startIdx = outIdx; - var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) { - var u1 = str.charCodeAt(++i); - u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); - } - if (u <= 0x7F) { - if (outIdx >= endIdx) break; - heap[outIdx++] = u; - } else if (u <= 0x7FF) { - if (outIdx + 1 >= endIdx) break; - heap[outIdx++] = 0xC0 | (u >> 6); - heap[outIdx++] = 0x80 | (u & 63); - } else if (u <= 0xFFFF) { - if (outIdx + 2 >= endIdx) break; - heap[outIdx++] = 0xE0 | (u >> 12); - heap[outIdx++] = 0x80 | ((u >> 6) & 63); - heap[outIdx++] = 0x80 | (u & 63); - } else { - if (outIdx + 3 >= endIdx) break; - if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); - heap[outIdx++] = 0xF0 | (u >> 18); - heap[outIdx++] = 0x80 | ((u >> 12) & 63); - heap[outIdx++] = 0x80 | ((u >> 6) & 63); - heap[outIdx++] = 0x80 | (u & 63); - } - } - // Null-terminate the pointer to the buffer. - heap[outIdx] = 0; - return outIdx - startIdx; -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8(str, outPtr, maxBytesToWrite) { - assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. -function lengthBytesUTF8(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); - if (u <= 0x7F) ++len; - else if (u <= 0x7FF) len += 2; - else if (u <= 0xFFFF) len += 3; - else len += 4; - } - return len; -} - -// end include: runtime_strings.js -// include: runtime_strings_extra.js - - -// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. - -// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -function AsciiToString(ptr) { - var str = ''; - while (1) { - var ch = HEAPU8[((ptr++)>>0)]; - if (!ch) return str; - str += String.fromCharCode(ch); - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. - -function stringToAscii(str, outPtr) { - return writeAsciiToMemory(str, outPtr, false); -} - -// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined; - -function UTF16ToString(ptr, maxBytesToRead) { - assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); - var endPtr = ptr; - // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. - // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. - var idx = endPtr >> 1; - var maxIdx = idx + maxBytesToRead / 2; - // If maxBytesToRead is not passed explicitly, it will be undefined, and this - // will always evaluate to true. This saves on code size. - while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; - endPtr = idx << 1; - - if (endPtr - ptr > 32 && UTF16Decoder) { - return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); - } else { - var str = ''; - - // If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition - // will always evaluate to true. The loop is then terminated on the first null char. - for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { - var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; - if (codeUnit == 0) break; - // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. - str += String.fromCharCode(codeUnit); - } - - return str; - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. -// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. -// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF16(str, outPtr, maxBytesToWrite) { - assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); - assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 2) return 0; - maxBytesToWrite -= 2; // Null terminator. - var startPtr = outPtr; - var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; - for (var i = 0; i < numCharsToWrite; ++i) { - // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. - var codeUnit = str.charCodeAt(i); // possibly a lead surrogate - HEAP16[((outPtr)>>1)] = codeUnit; - outPtr += 2; - } - // Null-terminate the pointer to the HEAP. - HEAP16[((outPtr)>>1)] = 0; - return outPtr - startPtr; -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF16(str) { - return str.length*2; -} - -function UTF32ToString(ptr, maxBytesToRead) { - assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); - var i = 0; - - var str = ''; - // If maxBytesToRead is not passed explicitly, it will be undefined, and this - // will always evaluate to true. This saves on code size. - while (!(i >= maxBytesToRead / 4)) { - var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; - if (utf32 == 0) break; - ++i; - // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - if (utf32 >= 0x10000) { - var ch = utf32 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } else { - str += String.fromCharCode(utf32); - } - } - return str; -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. -// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. -// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF32(str, outPtr, maxBytesToWrite) { - assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); - assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 4) return 0; - var startPtr = outPtr; - var endPtr = startPtr + maxBytesToWrite - 4; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); // possibly a lead surrogate - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { - var trailSurrogate = str.charCodeAt(++i); - codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); - } - HEAP32[((outPtr)>>2)] = codeUnit; - outPtr += 4; - if (outPtr + 4 > endPtr) break; - } - // Null-terminate the pointer to the HEAP. - HEAP32[((outPtr)>>2)] = 0; - return outPtr - startPtr; -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF32(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. - len += 4; - } - - return len; -} - -// Allocate heap space for a JS string, and write it there. -// It is the responsibility of the caller to free() that memory. -function allocateUTF8(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = _malloc(size); - if (ret) stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -// Allocate stack space for a JS string, and write it there. -function allocateUTF8OnStack(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = stackAlloc(size); - stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -// Deprecated: This function should not be called because it is unsafe and does not provide -// a maximum length limit of how many bytes it is allowed to write. Prefer calling the -// function stringToUTF8Array() instead, which takes in a maximum length that can be used -// to be secure from out of bounds writes. -/** @deprecated - @param {boolean=} dontAddNull */ -function writeStringToMemory(string, buffer, dontAddNull) { - warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); - - var /** @type {number} */ lastChar, /** @type {number} */ end; - if (dontAddNull) { - // stringToUTF8Array always appends null. If we don't want to do that, remember the - // character that existed at the location where the null will be placed, and restore - // that after the write (below). - end = buffer + lengthBytesUTF8(string); - lastChar = HEAP8[end]; - } - stringToUTF8(string, buffer, Infinity); - if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. -} - -function writeArrayToMemory(array, buffer) { - assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') - HEAP8.set(array, buffer); -} - -/** @param {boolean=} dontAddNull */ -function writeAsciiToMemory(str, buffer, dontAddNull) { - for (var i = 0; i < str.length; ++i) { - assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); - HEAP8[((buffer++)>>0)] = str.charCodeAt(i); - } - // Null-terminate the pointer to the HEAP. - if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; -} - -// end include: runtime_strings_extra.js -// Memory management - -var HEAP, -/** @type {!ArrayBuffer} */ - buffer, -/** @type {!Int8Array} */ - HEAP8, -/** @type {!Uint8Array} */ - HEAPU8, -/** @type {!Int16Array} */ - HEAP16, -/** @type {!Uint16Array} */ - HEAPU16, -/** @type {!Int32Array} */ - HEAP32, -/** @type {!Uint32Array} */ - HEAPU32, -/** @type {!Float32Array} */ - HEAPF32, -/** @type {!Float64Array} */ - HEAPF64; - -function updateGlobalBufferAndViews(buf) { - buffer = buf; - Module['HEAP8'] = HEAP8 = new Int8Array(buf); - Module['HEAP16'] = HEAP16 = new Int16Array(buf); - Module['HEAP32'] = HEAP32 = new Int32Array(buf); - Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); - Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); - Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); - Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); - Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); -} - -var TOTAL_STACK = 5242880; -if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime') - -var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); - -assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); - -// check for full engine support (use string 'subarray' to avoid closure compiler confusion) -assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, - 'JS engine does not provide full typed array support'); - -// If memory is defined in wasm, the user can't provide it. -assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -s IMPORTED_MEMORY to define wasmMemory externally'); -assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -s IMPORTED_MEMORY to define wasmMemory dynamically'); - -// include: runtime_init_table.js -// In regular non-RELOCATABLE mode the table is exported -// from the wasm module and this will be assigned once -// the exports are available. -var wasmTable; - -// end include: runtime_init_table.js -// include: runtime_stack_check.js - - -// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. -function writeStackCookie() { - var max = _emscripten_stack_get_end(); - assert((max & 3) == 0); - // The stack grows downwards - HEAP32[((max + 4)>>2)] = 0x2135467; - HEAP32[((max + 8)>>2)] = 0x89BACDFE; - // Also test the global address 0 for integrity. - HEAP32[0] = 0x63736d65; /* 'emsc' */ -} - -function checkStackCookie() { - if (ABORT) return; - var max = _emscripten_stack_get_end(); - var cookie1 = HEAPU32[((max + 4)>>2)]; - var cookie2 = HEAPU32[((max + 8)>>2)]; - if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { - abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16)); - } - // Also test the global address 0 for integrity. - if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); -} - -// end include: runtime_stack_check.js -// include: runtime_assertions.js - - -// Endianness check -(function() { - var h16 = new Int16Array(1); - var h8 = new Int8Array(h16.buffer); - h16[0] = 0x6373; - if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -s SUPPORT_BIG_ENDIAN=1 to bypass)'; -})(); - -// end include: runtime_assertions.js -var __ATPRERUN__ = []; // functions called before the runtime is initialized -var __ATINIT__ = []; // functions called during startup -var __ATMAIN__ = []; // functions called when main() is to be run -var __ATEXIT__ = []; // functions called during shutdown -var __ATPOSTRUN__ = []; // functions called after the main() is called - -var runtimeInitialized = false; -var runtimeExited = false; -var runtimeKeepaliveCounter = 0; - -function keepRuntimeAlive() { - return noExitRuntime || runtimeKeepaliveCounter > 0; -} - -function preRun() { - - if (Module['preRun']) { - if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; - while (Module['preRun'].length) { - addOnPreRun(Module['preRun'].shift()); - } - } - - callRuntimeCallbacks(__ATPRERUN__); -} - -function initRuntime() { - checkStackCookie(); - assert(!runtimeInitialized); - runtimeInitialized = true; - - -if (!Module["noFSInit"] && !FS.init.initialized) - FS.init(); -FS.ignorePermissions = false; - -TTY.init(); - callRuntimeCallbacks(__ATINIT__); -} - -function preMain() { - checkStackCookie(); - - callRuntimeCallbacks(__ATMAIN__); -} - -function exitRuntime() { - checkStackCookie(); - runtimeExited = true; -} - -function postRun() { - checkStackCookie(); - - if (Module['postRun']) { - if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; - while (Module['postRun'].length) { - addOnPostRun(Module['postRun'].shift()); - } - } - - callRuntimeCallbacks(__ATPOSTRUN__); -} - -function addOnPreRun(cb) { - __ATPRERUN__.unshift(cb); -} - -function addOnInit(cb) { - __ATINIT__.unshift(cb); -} - -function addOnPreMain(cb) { - __ATMAIN__.unshift(cb); -} - -function addOnExit(cb) { -} - -function addOnPostRun(cb) { - __ATPOSTRUN__.unshift(cb); -} - -// include: runtime_math.js - - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc - -assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); - -// end include: runtime_math.js -// A counter of dependencies for calling run(). If we need to -// do asynchronous work before running, increment this and -// decrement it. Incrementing must happen in a place like -// Module.preRun (used by emcc to add file preloading). -// Note that you can add dependencies in preRun, even though -// it happens right before run - run will be postponed until -// the dependencies are met. -var runDependencies = 0; -var runDependencyWatcher = null; -var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled -var runDependencyTracking = {}; - -function getUniqueRunDependency(id) { - var orig = id; - while (1) { - if (!runDependencyTracking[id]) return id; - id = orig + Math.random(); - } -} - -function addRunDependency(id) { - runDependencies++; - - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } - - if (id) { - assert(!runDependencyTracking[id]); - runDependencyTracking[id] = 1; - if (runDependencyWatcher === null && typeof setInterval != 'undefined') { - // Check for missing dependencies every few seconds - runDependencyWatcher = setInterval(function() { - if (ABORT) { - clearInterval(runDependencyWatcher); - runDependencyWatcher = null; - return; - } - var shown = false; - for (var dep in runDependencyTracking) { - if (!shown) { - shown = true; - err('still waiting on run dependencies:'); - } - err('dependency: ' + dep); - } - if (shown) { - err('(end of list)'); - } - }, 10000); - } - } else { - err('warning: run dependency added without ID'); - } -} - -function removeRunDependency(id) { - runDependencies--; - - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } - - if (id) { - assert(runDependencyTracking[id]); - delete runDependencyTracking[id]; - } else { - err('warning: run dependency removed without ID'); - } - if (runDependencies == 0) { - if (runDependencyWatcher !== null) { - clearInterval(runDependencyWatcher); - runDependencyWatcher = null; - } - if (dependenciesFulfilled) { - var callback = dependenciesFulfilled; - dependenciesFulfilled = null; - callback(); // can add another dependenciesFulfilled - } - } -} - -Module["preloadedImages"] = {}; // maps url to image data -Module["preloadedAudios"] = {}; // maps url to audio data - -/** @param {string|number=} what */ -function abort(what) { - { - if (Module['onAbort']) { - Module['onAbort'](what); - } - } - - what = 'Aborted(' + what + ')'; - // TODO(sbc): Should we remove printing and leave it up to whoever - // catches the exception? - err(what); - - ABORT = true; - EXITSTATUS = 1; - - // Use a wasm runtime error, because a JS error might be seen as a foreign - // exception, which means we'd run destructors on it. We need the error to - // simply make the program stop. - - // Suppress closure compiler warning here. Closure compiler's builtin extern - // defintion for WebAssembly.RuntimeError claims it takes no arguments even - // though it can. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. - - /** @suppress {checkTypes} */ - var e = new WebAssembly.RuntimeError(what); - - // Throw the error whether or not MODULARIZE is set because abort is used - // in code paths apart from instantiation where an exception is expected - // to be thrown when abort is called. - throw e; -} - -// {{MEM_INITIALIZER}} - -// include: memoryprofiler.js - - -// end include: memoryprofiler.js -// include: URIUtils.js - - -// Prefix of data URIs emitted by SINGLE_FILE and related options. -var dataURIPrefix = 'data:application/octet-stream;base64,'; - -// Indicates whether filename is a base64 data URI. -function isDataURI(filename) { - // Prefix of data URIs emitted by SINGLE_FILE and related options. - return filename.startsWith(dataURIPrefix); -} - -// Indicates whether filename is delivered via file protocol (as opposed to http/https) -function isFileURI(filename) { - return filename.startsWith('file://'); -} - -// end include: URIUtils.js -/** @param {boolean=} fixedasm */ -function createExportWrapper(name, fixedasm) { - return function() { - var displayName = name; - var asm = fixedasm; - if (!fixedasm) { - asm = Module['asm']; - } - assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); - assert(!runtimeExited, 'native function `' + displayName + '` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)'); - if (!asm[name]) { - assert(asm[name], 'exported native function `' + displayName + '` not found'); - } - return asm[name].apply(null, arguments); - }; -} - -var wasmBinaryFile; - wasmBinaryFile = 'FinalProject.wasm'; - if (!isDataURI(wasmBinaryFile)) { - wasmBinaryFile = locateFile(wasmBinaryFile); - } - -function getBinary(file) { - try { - if (file == wasmBinaryFile && wasmBinary) { - return new Uint8Array(wasmBinary); - } - if (readBinary) { - return readBinary(file); - } else { - throw "both async and sync fetching of the wasm failed"; - } - } - catch (err) { - abort(err); - } -} - -function getBinaryPromise() { - // If we don't have the binary yet, try to to load it asynchronously. - // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. - // See https://github.com/github/fetch/pull/92#issuecomment-140665932 - // Cordova or Electron apps are typically loaded from a file:// url. - // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. - if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { - if (typeof fetch == 'function' - && !isFileURI(wasmBinaryFile) - ) { - return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { - if (!response['ok']) { - throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; - } - return response['arrayBuffer'](); - }).catch(function () { - return getBinary(wasmBinaryFile); - }); - } - else { - if (readAsync) { - // fetch is not available or url is file => try XHR (readAsync uses XHR internally) - return new Promise(function(resolve, reject) { - readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject) - }); - } - } - } - - // Otherwise, getBinary should be able to get it synchronously - return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); -} - -// Create the wasm instance. -// Receives the wasm imports, returns the exports. -function createWasm() { - // prepare imports - var info = { - 'env': asmLibraryArg, - 'wasi_snapshot_preview1': asmLibraryArg, - }; - // Load the wasm module and create an instance of using native support in the JS engine. - // handle a generated wasm instance, receiving its exports and - // performing other necessary setup - /** @param {WebAssembly.Module=} module*/ - function receiveInstance(instance, module) { - var exports = instance.exports; - - Module['asm'] = exports; - - wasmMemory = Module['asm']['memory']; - assert(wasmMemory, "memory not found in wasm exports"); - // This assertion doesn't hold when emscripten is run in --post-link - // mode. - // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. - //assert(wasmMemory.buffer.byteLength === 16777216); - updateGlobalBufferAndViews(wasmMemory.buffer); - - wasmTable = Module['asm']['__indirect_function_table']; - assert(wasmTable, "table not found in wasm exports"); - - addOnInit(Module['asm']['__wasm_call_ctors']); - - removeRunDependency('wasm-instantiate'); - } - // we can't run yet (except in a pthread, where we have a custom sync instantiator) - addRunDependency('wasm-instantiate'); - - // Prefer streaming instantiation if available. - // Async compilation can be confusing when an error on the page overwrites Module - // (for example, if the order of elements is wrong, and the one defining Module is - // later), so we save Module and check it later. - var trueModule = Module; - function receiveInstantiationResult(result) { - // 'result' is a ResultObject object which has both the module and instance. - // receiveInstance() will swap in the exports (to Module.asm) so they can be called - assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); - trueModule = null; - // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. - // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. - receiveInstance(result['instance']); - } - - function instantiateArrayBuffer(receiver) { - return getBinaryPromise().then(function(binary) { - return WebAssembly.instantiate(binary, info); - }).then(function (instance) { - return instance; - }).then(receiver, function(reason) { - err('failed to asynchronously prepare wasm: ' + reason); - - // Warn on some common problems. - if (isFileURI(wasmBinaryFile)) { - err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); - } - abort(reason); - }); - } - - function instantiateAsync() { - if (!wasmBinary && - typeof WebAssembly.instantiateStreaming == 'function' && - !isDataURI(wasmBinaryFile) && - // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. - !isFileURI(wasmBinaryFile) && - typeof fetch == 'function') { - return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { - // Suppress closure warning here since the upstream definition for - // instantiateStreaming only allows Promise rather than - // an actual Response. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. - /** @suppress {checkTypes} */ - var result = WebAssembly.instantiateStreaming(response, info); - - return result.then( - receiveInstantiationResult, - function(reason) { - // We expect the most common failure cause to be a bad MIME type for the binary, - // in which case falling back to ArrayBuffer instantiation should work. - err('wasm streaming compile failed: ' + reason); - err('falling back to ArrayBuffer instantiation'); - return instantiateArrayBuffer(receiveInstantiationResult); - }); - }); - } else { - return instantiateArrayBuffer(receiveInstantiationResult); - } - } - - // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback - // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel - // to any other async startup actions they are performing. - if (Module['instantiateWasm']) { - try { - var exports = Module['instantiateWasm'](info, receiveInstance); - return exports; - } catch(e) { - err('Module.instantiateWasm callback failed with error: ' + e); - return false; - } - } - - instantiateAsync(); - return {}; // no exports yet; we'll fill them in later -} - -// Globals used by JS i64 conversions (see makeSetValue) -var tempDouble; -var tempI64; - -// === Body === - -var ASM_CONSTS = { - -}; - - - - - - - function callRuntimeCallbacks(callbacks) { - while (callbacks.length > 0) { - var callback = callbacks.shift(); - if (typeof callback == 'function') { - callback(Module); // Pass the module as the first argument. - continue; - } - var func = callback.func; - if (typeof func == 'number') { - if (callback.arg === undefined) { - getWasmTableEntry(func)(); - } else { - getWasmTableEntry(func)(callback.arg); - } - } else { - func(callback.arg === undefined ? null : callback.arg); - } - } - } - - function withStackSave(f) { - var stack = stackSave(); - var ret = f(); - stackRestore(stack); - return ret; - } - function demangle(func) { - warnOnce('warning: build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling'); - return func; - } - - function demangleAll(text) { - var regex = - /\b_Z[\w\d_]+/g; - return text.replace(regex, - function(x) { - var y = demangle(x); - return x === y ? x : (y + ' [' + x + ']'); - }); - } - - var wasmTableMirror = []; - function getWasmTableEntry(funcPtr) { - var func = wasmTableMirror[funcPtr]; - if (!func) { - if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1; - wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); - } - assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!"); - return func; - } - - function handleException(e) { - // Certain exception types we do not treat as errors since they are used for - // internal control flow. - // 1. ExitStatus, which is thrown by exit() - // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others - // that wish to return to JS event loop. - if (e instanceof ExitStatus || e == 'unwind') { - return EXITSTATUS; - } - quit_(1, e); - } - - function jsStackTrace() { - var error = new Error(); - if (!error.stack) { - // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, - // so try that as a special-case. - try { - throw new Error(); - } catch(e) { - error = e; - } - if (!error.stack) { - return '(no stack trace available)'; - } - } - return error.stack.toString(); - } - - function setWasmTableEntry(idx, func) { - wasmTable.set(idx, func); - wasmTableMirror[idx] = func; - } - - function stackTrace() { - var js = jsStackTrace(); - if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); - return demangleAll(js); - } - - function ___cxa_allocate_exception(size) { - // Thrown object is prepended by exception metadata block - return _malloc(size + 16) + 16; - } - - /** @constructor */ - function ExceptionInfo(excPtr) { - this.excPtr = excPtr; - this.ptr = excPtr - 16; - - this.set_type = function(type) { - HEAP32[(((this.ptr)+(4))>>2)] = type; - }; - - this.get_type = function() { - return HEAP32[(((this.ptr)+(4))>>2)]; - }; - - this.set_destructor = function(destructor) { - HEAP32[(((this.ptr)+(8))>>2)] = destructor; - }; - - this.get_destructor = function() { - return HEAP32[(((this.ptr)+(8))>>2)]; - }; - - this.set_refcount = function(refcount) { - HEAP32[((this.ptr)>>2)] = refcount; - }; - - this.set_caught = function (caught) { - caught = caught ? 1 : 0; - HEAP8[(((this.ptr)+(12))>>0)] = caught; - }; - - this.get_caught = function () { - return HEAP8[(((this.ptr)+(12))>>0)] != 0; - }; - - this.set_rethrown = function (rethrown) { - rethrown = rethrown ? 1 : 0; - HEAP8[(((this.ptr)+(13))>>0)] = rethrown; - }; - - this.get_rethrown = function () { - return HEAP8[(((this.ptr)+(13))>>0)] != 0; - }; - - // Initialize native structure fields. Should be called once after allocated. - this.init = function(type, destructor) { - this.set_type(type); - this.set_destructor(destructor); - this.set_refcount(0); - this.set_caught(false); - this.set_rethrown(false); - } - - this.add_ref = function() { - var value = HEAP32[((this.ptr)>>2)]; - HEAP32[((this.ptr)>>2)] = value + 1; - }; - - // Returns true if last reference released. - this.release_ref = function() { - var prev = HEAP32[((this.ptr)>>2)]; - HEAP32[((this.ptr)>>2)] = prev - 1; - assert(prev > 0); - return prev === 1; - }; - } - - var exceptionLast = 0; - - var uncaughtExceptionCount = 0; - function ___cxa_throw(ptr, type, destructor) { - var info = new ExceptionInfo(ptr); - // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. - info.init(type, destructor); - exceptionLast = ptr; - uncaughtExceptionCount++; - throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -s NO_DISABLE_EXCEPTION_CATCHING or -s EXCEPTION_CATCHING_ALLOWED=[..] to catch."; - } - - function setErrNo(value) { - HEAP32[((___errno_location())>>2)] = value; - return value; - } - - var PATH = {splitPath:function(filename) { - var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; - return splitPathRe.exec(filename).slice(1); - },normalizeArray:function(parts, allowAboveRoot) { - // if the path tries to go above the root, `up` ends up > 0 - var up = 0; - for (var i = parts.length - 1; i >= 0; i--) { - var last = parts[i]; - if (last === '.') { - parts.splice(i, 1); - } else if (last === '..') { - parts.splice(i, 1); - up++; - } else if (up) { - parts.splice(i, 1); - up--; - } - } - // if the path is allowed to go above the root, restore leading ..s - if (allowAboveRoot) { - for (; up; up--) { - parts.unshift('..'); - } - } - return parts; - },normalize:function(path) { - var isAbsolute = path.charAt(0) === '/', - trailingSlash = path.substr(-1) === '/'; - // Normalize the path - path = PATH.normalizeArray(path.split('/').filter(function(p) { - return !!p; - }), !isAbsolute).join('/'); - if (!path && !isAbsolute) { - path = '.'; - } - if (path && trailingSlash) { - path += '/'; - } - return (isAbsolute ? '/' : '') + path; - },dirname:function(path) { - var result = PATH.splitPath(path), - root = result[0], - dir = result[1]; - if (!root && !dir) { - // No dirname whatsoever - return '.'; - } - if (dir) { - // It has a dirname, strip trailing slash - dir = dir.substr(0, dir.length - 1); - } - return root + dir; - },basename:function(path) { - // EMSCRIPTEN return '/'' for '/', not an empty string - if (path === '/') return '/'; - path = PATH.normalize(path); - path = path.replace(/\/$/, ""); - var lastSlash = path.lastIndexOf('/'); - if (lastSlash === -1) return path; - return path.substr(lastSlash+1); - },extname:function(path) { - return PATH.splitPath(path)[3]; - },join:function() { - var paths = Array.prototype.slice.call(arguments, 0); - return PATH.normalize(paths.join('/')); - },join2:function(l, r) { - return PATH.normalize(l + '/' + r); - }}; - - function getRandomDevice() { - if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { - // for modern web browsers - var randomBuffer = new Uint8Array(1); - return function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; - } else - if (ENVIRONMENT_IS_NODE) { - // for nodejs with or without crypto support included - try { - var crypto_module = require('crypto'); - // nodejs has crypto support - return function() { return crypto_module['randomBytes'](1)[0]; }; - } catch (e) { - // nodejs doesn't have crypto support - } - } - // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096 - return function() { abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };"); }; - } - - var PATH_FS = {resolve:function() { - var resolvedPath = '', - resolvedAbsolute = false; - for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path = (i >= 0) ? arguments[i] : FS.cwd(); - // Skip empty and invalid entries - if (typeof path != 'string') { - throw new TypeError('Arguments to path.resolve must be strings'); - } else if (!path) { - return ''; // an invalid portion invalidates the whole thing - } - resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = path.charAt(0) === '/'; - } - // At this point the path should be resolved to a full absolute path, but - // handle relative paths to be safe (might happen when process.cwd() fails) - resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) { - return !!p; - }), !resolvedAbsolute).join('/'); - return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; - },relative:function(from, to) { - from = PATH_FS.resolve(from).substr(1); - to = PATH_FS.resolve(to).substr(1); - function trim(arr) { - var start = 0; - for (; start < arr.length; start++) { - if (arr[start] !== '') break; - } - var end = arr.length - 1; - for (; end >= 0; end--) { - if (arr[end] !== '') break; - } - if (start > end) return []; - return arr.slice(start, end - start + 1); - } - var fromParts = trim(from.split('/')); - var toParts = trim(to.split('/')); - var length = Math.min(fromParts.length, toParts.length); - var samePartsLength = length; - for (var i = 0; i < length; i++) { - if (fromParts[i] !== toParts[i]) { - samePartsLength = i; - break; - } - } - var outputParts = []; - for (var i = samePartsLength; i < fromParts.length; i++) { - outputParts.push('..'); - } - outputParts = outputParts.concat(toParts.slice(samePartsLength)); - return outputParts.join('/'); - }}; - - var TTY = {ttys:[],init:function () { - // https://github.com/emscripten-core/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // currently, FS.init does not distinguish if process.stdin is a file or TTY - // // device, it always assumes it's a TTY device. because of this, we're forcing - // // process.stdin to UTF8 encoding to at least make stdin reading compatible - // // with text files until FS.init can be refactored. - // process['stdin']['setEncoding']('utf8'); - // } - },shutdown:function() { - // https://github.com/emscripten-core/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? - // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation - // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? - // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle - // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call - // process['stdin']['pause'](); - // } - },register:function(dev, ops) { - TTY.ttys[dev] = { input: [], output: [], ops: ops }; - FS.registerDevice(dev, TTY.stream_ops); - },stream_ops:{open:function(stream) { - var tty = TTY.ttys[stream.node.rdev]; - if (!tty) { - throw new FS.ErrnoError(43); - } - stream.tty = tty; - stream.seekable = false; - },close:function(stream) { - // flush any pending line data - stream.tty.ops.flush(stream.tty); - },flush:function(stream) { - stream.tty.ops.flush(stream.tty); - },read:function(stream, buffer, offset, length, pos /* ignored */) { - if (!stream.tty || !stream.tty.ops.get_char) { - throw new FS.ErrnoError(60); - } - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = stream.tty.ops.get_char(stream.tty); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset+i] = result; - } - if (bytesRead) { - stream.node.timestamp = Date.now(); - } - return bytesRead; - },write:function(stream, buffer, offset, length, pos) { - if (!stream.tty || !stream.tty.ops.put_char) { - throw new FS.ErrnoError(60); - } - try { - for (var i = 0; i < length; i++) { - stream.tty.ops.put_char(stream.tty, buffer[offset+i]); - } - } catch (e) { - throw new FS.ErrnoError(29); - } - if (length) { - stream.node.timestamp = Date.now(); - } - return i; - }},default_tty_ops:{get_char:function(tty) { - if (!tty.input.length) { - var result = null; - if (ENVIRONMENT_IS_NODE) { - // we will read data by chunks of BUFSIZE - var BUFSIZE = 256; - var buf = Buffer.alloc(BUFSIZE); - var bytesRead = 0; - - try { - bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1); - } catch(e) { - // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes, - // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0. - if (e.toString().includes('EOF')) bytesRead = 0; - else throw e; - } - - if (bytesRead > 0) { - result = buf.slice(0, bytesRead).toString('utf-8'); - } else { - result = null; - } - } else - if (typeof window != 'undefined' && - typeof window.prompt == 'function') { - // Browser. - result = window.prompt('Input: '); // returns null on cancel - if (result !== null) { - result += '\n'; - } - } else if (typeof readline == 'function') { - // Command line. - result = readline(); - if (result !== null) { - result += '\n'; - } - } - if (!result) { - return null; - } - tty.input = intArrayFromString(result, true); - } - return tty.input.shift(); - },put_char:function(tty, val) { - if (val === null || val === 10) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle. - } - },flush:function(tty) { - if (tty.output && tty.output.length > 0) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }},default_tty1_ops:{put_char:function(tty, val) { - if (val === null || val === 10) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); - } - },flush:function(tty) { - if (tty.output && tty.output.length > 0) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }}}; - - function zeroMemory(address, size) { - HEAPU8.fill(0, address, address + size); - } - - function alignMemory(size, alignment) { - assert(alignment, "alignment argument is required"); - return Math.ceil(size / alignment) * alignment; - } - function mmapAlloc(size) { - abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); - } - var MEMFS = {ops_table:null,mount:function(mount) { - return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); - },createNode:function(parent, name, mode, dev) { - if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { - // no supported - throw new FS.ErrnoError(63); - } - if (!MEMFS.ops_table) { - MEMFS.ops_table = { - dir: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - lookup: MEMFS.node_ops.lookup, - mknod: MEMFS.node_ops.mknod, - rename: MEMFS.node_ops.rename, - unlink: MEMFS.node_ops.unlink, - rmdir: MEMFS.node_ops.rmdir, - readdir: MEMFS.node_ops.readdir, - symlink: MEMFS.node_ops.symlink - }, - stream: { - llseek: MEMFS.stream_ops.llseek - } - }, - file: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: { - llseek: MEMFS.stream_ops.llseek, - read: MEMFS.stream_ops.read, - write: MEMFS.stream_ops.write, - allocate: MEMFS.stream_ops.allocate, - mmap: MEMFS.stream_ops.mmap, - msync: MEMFS.stream_ops.msync - } - }, - link: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - readlink: MEMFS.node_ops.readlink - }, - stream: {} - }, - chrdev: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: FS.chrdev_stream_ops - } - }; - } - var node = FS.createNode(parent, name, mode, dev); - if (FS.isDir(node.mode)) { - node.node_ops = MEMFS.ops_table.dir.node; - node.stream_ops = MEMFS.ops_table.dir.stream; - node.contents = {}; - } else if (FS.isFile(node.mode)) { - node.node_ops = MEMFS.ops_table.file.node; - node.stream_ops = MEMFS.ops_table.file.stream; - node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. - // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred - // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size - // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. - node.contents = null; - } else if (FS.isLink(node.mode)) { - node.node_ops = MEMFS.ops_table.link.node; - node.stream_ops = MEMFS.ops_table.link.stream; - } else if (FS.isChrdev(node.mode)) { - node.node_ops = MEMFS.ops_table.chrdev.node; - node.stream_ops = MEMFS.ops_table.chrdev.stream; - } - node.timestamp = Date.now(); - // add the new node to the parent - if (parent) { - parent.contents[name] = node; - parent.timestamp = node.timestamp; - } - return node; - },getFileDataAsTypedArray:function(node) { - if (!node.contents) return new Uint8Array(0); - if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes. - return new Uint8Array(node.contents); - },expandFileStorage:function(node, newCapacity) { - var prevCapacity = node.contents ? node.contents.length : 0; - if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough. - // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. - // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to - // avoid overshooting the allocation cap by a very large margin. - var CAPACITY_DOUBLING_MAX = 1024 * 1024; - newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0); - if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding. - var oldContents = node.contents; - node.contents = new Uint8Array(newCapacity); // Allocate new storage. - if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. - },resizeFileStorage:function(node, newSize) { - if (node.usedBytes == newSize) return; - if (newSize == 0) { - node.contents = null; // Fully decommit when requesting a resize to zero. - node.usedBytes = 0; - } else { - var oldContents = node.contents; - node.contents = new Uint8Array(newSize); // Allocate new storage. - if (oldContents) { - node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage. - } - node.usedBytes = newSize; - } - },node_ops:{getattr:function(node) { - var attr = {}; - // device numbers reuse inode numbers. - 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); - // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), - // but this is not required by the standard. - attr.blksize = 4096; - attr.blocks = Math.ceil(attr.size / attr.blksize); - return attr; - },setattr:function(node, attr) { - if (attr.mode !== undefined) { - node.mode = attr.mode; - } - if (attr.timestamp !== undefined) { - node.timestamp = attr.timestamp; - } - if (attr.size !== undefined) { - MEMFS.resizeFileStorage(node, attr.size); - } - },lookup:function(parent, name) { - throw FS.genericErrors[44]; - },mknod:function(parent, name, mode, dev) { - return MEMFS.createNode(parent, name, mode, dev); - },rename:function(old_node, new_dir, new_name) { - // if we're overwriting a directory at new_name, make sure it's empty. - 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); - } - } - } - // do the internal rewiring - delete old_node.parent.contents[old_node.name]; - old_node.parent.timestamp = Date.now() - old_node.name = new_name; - new_dir.contents[new_name] = old_node; - new_dir.timestamp = old_node.parent.timestamp; - old_node.parent = new_dir; - },unlink:function(parent, name) { - delete parent.contents[name]; - parent.timestamp = Date.now(); - },rmdir:function(parent, name) { - var node = FS.lookupNode(parent, name); - for (var i in node.contents) { - throw new FS.ErrnoError(55); - } - delete parent.contents[name]; - parent.timestamp = Date.now(); - },readdir:function(node) { - var entries = ['.', '..']; - for (var key in node.contents) { - if (!node.contents.hasOwnProperty(key)) { - continue; - } - entries.push(key); - } - return entries; - },symlink:function(parent, newname, oldpath) { - var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0); - node.link = oldpath; - return node; - },readlink:function(node) { - if (!FS.isLink(node.mode)) { - throw new FS.ErrnoError(28); - } - return node.link; - }},stream_ops:{read:function(stream, buffer, offset, length, position) { - var contents = stream.node.contents; - if (position >= stream.node.usedBytes) return 0; - var size = Math.min(stream.node.usedBytes - position, length); - assert(size >= 0); - if (size > 8 && contents.subarray) { // non-trivial, and typed array - buffer.set(contents.subarray(position, position + size), offset); - } else { - for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; - } - return size; - },write:function(stream, buffer, offset, length, position, canOwn) { - // The data buffer should be a typed array view - assert(!(buffer instanceof ArrayBuffer)); - - if (!length) return 0; - var node = stream.node; - node.timestamp = Date.now(); - - if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array? - if (canOwn) { - assert(position === 0, 'canOwn must imply no weird position inside the file'); - node.contents = buffer.subarray(offset, offset + length); - node.usedBytes = length; - return length; - } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. - node.contents = buffer.slice(offset, offset + length); - node.usedBytes = length; - return length; - } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file? - node.contents.set(buffer.subarray(offset, offset + length), position); - return length; - } - } - - // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. - MEMFS.expandFileStorage(node, position+length); - if (node.contents.subarray && buffer.subarray) { - // Use typed array write which is available. - node.contents.set(buffer.subarray(offset, offset + length), position); - } else { - for (var i = 0; i < length; i++) { - node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not. - } - } - node.usedBytes = Math.max(node.usedBytes, position + length); - return length; - },llseek:function(stream, offset, whence) { - var position = offset; - if (whence === 1) { - position += stream.position; - } else if (whence === 2) { - if (FS.isFile(stream.node.mode)) { - position += stream.node.usedBytes; - } - } - if (position < 0) { - throw new FS.ErrnoError(28); - } - return position; - },allocate:function(stream, offset, length) { - MEMFS.expandFileStorage(stream.node, offset + length); - stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); - },mmap:function(stream, address, length, position, prot, flags) { - if (address !== 0) { - // We don't currently support location hints for the address of the mapping - throw new FS.ErrnoError(28); - } - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - var ptr; - var allocated; - var contents = stream.node.contents; - // Only make a new copy when MAP_PRIVATE is specified. - if (!(flags & 2) && contents.buffer === buffer) { - // We can't emulate MAP_SHARED when the file is not backed by the buffer - // we're mapping to (e.g. the HEAP buffer). - allocated = false; - ptr = contents.byteOffset; - } else { - // Try to avoid unnecessary slices. - if (position > 0 || position + length < contents.length) { - if (contents.subarray) { - contents = contents.subarray(position, position + length); - } else { - contents = Array.prototype.slice.call(contents, position, position + length); - } - } - allocated = true; - ptr = mmapAlloc(length); - if (!ptr) { - throw new FS.ErrnoError(48); - } - HEAP8.set(contents, ptr); - } - return { ptr: ptr, allocated: allocated }; - },msync:function(stream, buffer, offset, length, mmapFlags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (mmapFlags & 2) { - // MAP_PRIVATE calls need not to be synced back to underlying fs - return 0; - } - - var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); - // should we check if bytesWritten and length are the same? - return 0; - }}}; - - /** @param {boolean=} noRunDep */ - function asyncLoad(url, onload, onerror, noRunDep) { - var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; - readAsync(url, function(arrayBuffer) { - assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); - onload(new Uint8Array(arrayBuffer)); - if (dep) removeRunDependency(dep); - }, function(event) { - if (onerror) { - onerror(); - } else { - throw 'Loading data file "' + url + '" failed.'; - } - }); - if (dep) addRunDependency(dep); - } - - var ERRNO_MESSAGES = {0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is unreachable",24:"Identifier removed",25:"Illegal byte sequence",26:"Connection already in progress",27:"Interrupted system call",28:"Invalid argument",29:"I/O error",30:"Socket is already connected",31:"Is a directory",32:"Too many symbolic links",33:"Too many open files",34:"Too many links",35:"Message too long",36:"Multihop attempted",37:"File or path name too long",38:"Network interface is not configured",39:"Connection reset by network",40:"Network is unreachable",41:"Too many open files in system",42:"No buffer space available",43:"No such device",44:"No such file or directory",45:"Exec format error",46:"No record locks available",47:"The link has been severed",48:"Not enough core",49:"No message of desired type",50:"Protocol not available",51:"No space left on device",52:"Function not implemented",53:"Socket is not connected",54:"Not a directory",55:"Directory not empty",56:"State not recoverable",57:"Socket operation on non-socket",59:"Not a typewriter",60:"No such device or address",61:"Value too large for defined data type",62:"Previous owner died",63:"Not super-user",64:"Broken pipe",65:"Protocol error",66:"Unknown protocol",67:"Protocol wrong type for socket",68:"Math result not representable",69:"Read only file system",70:"Illegal seek",71:"No such process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"}; - - var ERRNO_CODES = {}; - var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path, opts = {}) => { - path = PATH_FS.resolve(FS.cwd(), path); - - if (!path) return { path: '', node: null }; - - var defaults = { - follow_mount: true, - recurse_count: 0 - }; - for (var key in defaults) { - if (opts[key] === undefined) { - opts[key] = defaults[key]; - } - } - - if (opts.recurse_count > 8) { // max recursive lookup of 8 - throw new FS.ErrnoError(32); - } - - // split the path - var parts = PATH.normalizeArray(path.split('/').filter((p) => !!p), false); - - // start at the root - 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) { - // stop resolving - break; - } - - current = FS.lookupNode(current, parts[i]); - current_path = PATH.join2(current_path, parts[i]); - - // jump to the mount's root node if this is a mountpoint - if (FS.isMountpoint(current)) { - if (!islast || (islast && opts.follow_mount)) { - current = current.mounted.root; - } - } - - // by default, lookupPath will not follow a symlink if it is the final path component. - // setting opts.follow = true will override this behavior. - if (!islast || opts.follow) { - var count = 0; - while (FS.isLink(current.mode)) { - var link = FS.readlink(current_path); - current_path = PATH_FS.resolve(PATH.dirname(current_path), link); - - var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count }); - current = lookup.node; - - if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX). - throw new FS.ErrnoError(32); - } - } - } - } - - return { path: current_path, node: current }; - },getPath:(node) => { - var path; - while (true) { - if (FS.isRoot(node)) { - var mount = node.mount.mountpoint; - if (!path) return mount; - return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path; - } - path = path ? node.name + '/' + path : node.name; - node = node.parent; - } - },hashName:(parentid, name) => { - var hash = 0; - - for (var i = 0; i < name.length; i++) { - hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; - } - return ((parentid + hash) >>> 0) % FS.nameTable.length; - },hashAddNode:(node) => { - var hash = FS.hashName(node.parent.id, node.name); - node.name_next = FS.nameTable[hash]; - FS.nameTable[hash] = node; - },hashRemoveNode:(node) => { - var hash = FS.hashName(node.parent.id, node.name); - if (FS.nameTable[hash] === node) { - FS.nameTable[hash] = node.name_next; - } else { - var current = FS.nameTable[hash]; - while (current) { - if (current.name_next === node) { - current.name_next = node.name_next; - break; - } - current = current.name_next; - } - } - },lookupNode:(parent, name) => { - var errCode = FS.mayLookup(parent); - if (errCode) { - throw new FS.ErrnoError(errCode, parent); - } - var hash = FS.hashName(parent.id, name); - for (var node = FS.nameTable[hash]; node; node = node.name_next) { - var nodeName = node.name; - if (node.parent.id === parent.id && nodeName === name) { - return node; - } - } - // if we failed to find it in the cache, call into the VFS - return FS.lookup(parent, name); - },createNode:(parent, name, mode, rdev) => { - assert(typeof parent == 'object') - var node = new FS.FSNode(parent, name, mode, rdev); - - FS.hashAddNode(node); - - return node; - },destroyNode:(node) => { - FS.hashRemoveNode(node); - },isRoot:(node) => { - return node === node.parent; - },isMountpoint:(node) => { - return !!node.mounted; - },isFile:(mode) => { - return (mode & 61440) === 32768; - },isDir:(mode) => { - return (mode & 61440) === 16384; - },isLink:(mode) => { - return (mode & 61440) === 40960; - },isChrdev:(mode) => { - return (mode & 61440) === 8192; - },isBlkdev:(mode) => { - return (mode & 61440) === 24576; - },isFIFO:(mode) => { - return (mode & 61440) === 4096; - },isSocket:(mode) => { - return (mode & 49152) === 49152; - },flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => { - var flags = FS.flagModes[str]; - if (typeof flags == 'undefined') { - throw new Error('Unknown file open mode: ' + str); - } - return flags; - },flagsToPermissionString:(flag) => { - var perms = ['r', 'w', 'rw'][flag & 3]; - if ((flag & 512)) { - perms += 'w'; - } - return perms; - },nodePermissions:(node, perms) => { - if (FS.ignorePermissions) { - return 0; - } - // return 0 if any user, group or owner bits are set. - if (perms.includes('r') && !(node.mode & 292)) { - return 2; - } else if (perms.includes('w') && !(node.mode & 146)) { - return 2; - } else if (perms.includes('x') && !(node.mode & 73)) { - return 2; - } - return 0; - },mayLookup:(dir) => { - var errCode = FS.nodePermissions(dir, 'x'); - if (errCode) return errCode; - if (!dir.node_ops.lookup) return 2; - return 0; - },mayCreate:(dir, name) => { - try { - var node = FS.lookupNode(dir, name); - return 20; - } catch (e) { - } - return FS.nodePermissions(dir, 'wx'); - },mayDelete:(dir, name, isdir) => { - var node; - try { - node = FS.lookupNode(dir, name); - } catch (e) { - return e.errno; - } - var errCode = FS.nodePermissions(dir, 'wx'); - if (errCode) { - return errCode; - } - if (isdir) { - if (!FS.isDir(node.mode)) { - return 54; - } - if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { - return 10; - } - } else { - if (FS.isDir(node.mode)) { - return 31; - } - } - return 0; - },mayOpen:(node, flags) => { - if (!node) { - return 44; - } - if (FS.isLink(node.mode)) { - return 32; - } else if (FS.isDir(node.mode)) { - if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write - (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only) - return 31; - } - } - return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); - },MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => { - for (var fd = fd_start; fd <= fd_end; fd++) { - if (!FS.streams[fd]) { - return fd; - } - } - throw new FS.ErrnoError(33); - },getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => { - if (!FS.FSStream) { - FS.FSStream = /** @constructor */ function(){}; - FS.FSStream.prototype = { - object: { - get: function() { return this.node; }, - set: function(val) { this.node = val; } - }, - isRead: { - get: function() { return (this.flags & 2097155) !== 1; } - }, - isWrite: { - get: function() { return (this.flags & 2097155) !== 0; } - }, - isAppend: { - get: function() { return (this.flags & 1024); } - } - }; - } - // clone it, so we can return an instance of FSStream - stream = Object.assign(new FS.FSStream(), stream); - var fd = FS.nextfd(fd_start, fd_end); - stream.fd = fd; - FS.streams[fd] = stream; - return stream; - },closeStream:(fd) => { - FS.streams[fd] = null; - },chrdev_stream_ops:{open:(stream) => { - var device = FS.getDevice(stream.node.rdev); - // override node's stream ops with the device's - stream.stream_ops = device.stream_ops; - // forward the open call - if (stream.stream_ops.open) { - stream.stream_ops.open(stream); - } - },llseek:() => { - throw new FS.ErrnoError(70); - }},major:(dev) => ((dev) >> 8),minor:(dev) => ((dev) & 0xff),makedev:(ma, mi) => ((ma) << 8 | (mi)),registerDevice:(dev, ops) => { - FS.devices[dev] = { stream_ops: ops }; - },getDevice:(dev) => FS.devices[dev],getMounts:(mount) => { - var mounts = []; - var check = [mount]; - - while (check.length) { - var m = check.pop(); - - mounts.push(m); - - check.push.apply(check, m.mounts); - } - - return mounts; - },syncfs:(populate, callback) => { - if (typeof populate == 'function') { - callback = populate; - populate = false; - } - - FS.syncFSRequests++; - - if (FS.syncFSRequests > 1) { - err('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work'); - } - - var mounts = FS.getMounts(FS.root.mount); - var completed = 0; - - function doCallback(errCode) { - assert(FS.syncFSRequests > 0); - 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); - } - }; - - // sync all mounts - mounts.forEach((mount) => { - if (!mount.type.syncfs) { - return done(null); - } - mount.type.syncfs(mount, populate, done); - }); - },mount:(type, opts, mountpoint) => { - if (typeof type == 'string') { - // The filesystem was not included, and instead we have an error - // message stored in the variable. - throw type; - } - 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; // use the absolute 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: [] - }; - - // create a root node for the fs - var mountRoot = type.mount(mount); - mountRoot.mount = mount; - mount.root = mountRoot; - - if (root) { - FS.root = mountRoot; - } else if (node) { - // set as a mountpoint - node.mounted = mount; - - // add the new mount to the current mount's children - 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); - } - - // destroy the nodes for this mount, and all its child mounts - 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; - } - }); - - // no longer a mountpoint - node.mounted = null; - - // remove this mount from the child mounts - var idx = node.mount.mounts.indexOf(mount); - assert(idx !== -1); - 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 /* 0666 */; - mode &= 4095; - mode |= 32768; - return FS.mknod(path, mode, 0); - },mkdir:(path, mode) => { - mode = mode !== undefined ? mode : 511 /* 0777 */; - 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 /* 0666 */; - } - 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); - // parents must exist - var lookup, old_dir, new_dir; - - // let the errors from non existant directories percolate up - 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); - // need to be part of the same mount - if (old_dir.mount !== new_dir.mount) { - throw new FS.ErrnoError(75); - } - // source must exist - var old_node = FS.lookupNode(old_dir, old_name); - // old path should not be an ancestor of the new path - var relative = PATH_FS.relative(old_path, new_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(28); - } - // new path should not be an ancestor of the old path - relative = PATH_FS.relative(new_path, old_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(55); - } - // see if the new path already exists - var new_node; - try { - new_node = FS.lookupNode(new_dir, new_name); - } catch (e) { - // not fatal - } - // early out if nothing needs to change - if (old_node === new_node) { - return; - } - // we'll need to delete the old entry - var isdir = FS.isDir(old_node.mode); - var errCode = FS.mayDelete(old_dir, old_name, isdir); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - // need delete permissions if we'll be overwriting. - // need create permissions if new doesn't already exist. - 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 we are going to change the parent, check write permissions - if (new_dir !== old_dir) { - errCode = FS.nodePermissions(old_dir, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // remove the node from the lookup hash - FS.hashRemoveNode(old_node); - // do the underlying fs rename - try { - old_dir.node_ops.rename(old_node, new_dir, new_name); - } catch (e) { - throw e; - } finally { - // add the node back to the hash (in case node_ops.rename - // changed its name) - 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) { - // According to POSIX, we should map EISDIR to EPERM, but - // we instead do what Linux does (and we must, as we use - // the musl linux libc). - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.unlink) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - parent.node_ops.unlink(parent, name); - FS.destroyNode(node); - },readlink:(path) => { - var lookup = FS.lookupPath(path); - var link = lookup.node; - if (!link) { - throw new FS.ErrnoError(44); - } - if (!link.node_ops.readlink) { - throw new FS.ErrnoError(28); - } - return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); - },stat:(path, dontFollow) => { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - var node = lookup.node; - if (!node) { - throw new FS.ErrnoError(44); - } - if (!node.node_ops.getattr) { - throw new FS.ErrnoError(63); - } - return node.node_ops.getattr(node); - },lstat:(path) => { - return FS.stat(path, true); - },chmod:(path, mode, dontFollow) => { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - node.node_ops.setattr(node, { - mode: (mode & 4095) | (node.mode & ~4095), - timestamp: Date.now() - }); - },lchmod:(path, mode) => { - FS.chmod(path, mode, true); - },fchmod:(fd, mode) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } - FS.chmod(stream.node, mode); - },chown:(path, uid, gid, dontFollow) => { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - node.node_ops.setattr(node, { - timestamp: Date.now() - // we ignore the uid / gid for now - }); - },lchown:(path, uid, gid) => { - FS.chown(path, uid, gid, true); - },fchown:(fd, uid, gid) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } - FS.chown(stream.node, uid, gid); - },truncate:(path, len) => { - if (len < 0) { - throw new FS.ErrnoError(28); - } - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: true }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - if (FS.isDir(node.mode)) { - throw new FS.ErrnoError(31); - } - if (!FS.isFile(node.mode)) { - throw new FS.ErrnoError(28); - } - var errCode = FS.nodePermissions(node, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - node.node_ops.setattr(node, { - size: len, - timestamp: Date.now() - }); - },ftruncate:(fd, len) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(28); - } - FS.truncate(stream.node, len); - },utime:(path, atime, mtime) => { - var lookup = FS.lookupPath(path, { follow: true }); - var node = lookup.node; - node.node_ops.setattr(node, { - timestamp: Math.max(atime, mtime) - }); - },open:(path, flags, mode, fd_start, fd_end) => { - if (path === "") { - throw new FS.ErrnoError(44); - } - flags = typeof flags == 'string' ? FS.modeStringToFlags(flags) : flags; - mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode; - if ((flags & 64)) { - mode = (mode & 4095) | 32768; - } else { - mode = 0; - } - var node; - if (typeof path == 'object') { - node = path; - } else { - path = PATH.normalize(path); - try { - var lookup = FS.lookupPath(path, { - follow: !(flags & 131072) - }); - node = lookup.node; - } catch (e) { - // ignore - } - } - // perhaps we need to create the node - var created = false; - if ((flags & 64)) { - if (node) { - // if O_CREAT and O_EXCL are set, error out if the node already exists - if ((flags & 128)) { - throw new FS.ErrnoError(20); - } - } else { - // node doesn't exist, try to create it - node = FS.mknod(path, mode, 0); - created = true; - } - } - if (!node) { - throw new FS.ErrnoError(44); - } - // can't truncate a device - if (FS.isChrdev(node.mode)) { - flags &= ~512; - } - // if asked only for a directory, then this must be one - if ((flags & 65536) && !FS.isDir(node.mode)) { - throw new FS.ErrnoError(54); - } - // check permissions, if this is not a file we just created now (it is ok to - // create and write to a file with read-only permissions; it is read-only - // for later use) - if (!created) { - var errCode = FS.mayOpen(node, flags); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // do truncation if necessary - if ((flags & 512)) { - FS.truncate(node, 0); - } - // we've already handled these, don't pass down to the underlying vfs - flags &= ~(128 | 512 | 131072); - - // register the stream with the filesystem - var stream = FS.createStream({ - node: node, - path: FS.getPath(node), // we want the absolute path to the node - flags: flags, - seekable: true, - position: 0, - stream_ops: node.stream_ops, - // used by the file family libc calls (fopen, fwrite, ferror, etc.) - ungotten: [], - error: false - }, fd_start, fd_end); - // call the new stream's open function - 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; // free readdir state - 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) { - // seek to the end before writing in append mode - FS.llseek(stream, 0, 2); - } - var seeking = typeof position != 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(70); - } - var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); - if (!seeking) stream.position += bytesWritten; - return bytesWritten; - },allocate:(stream, offset, length) => { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (offset < 0 || length <= 0) { - throw new FS.ErrnoError(28); - } - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(8); - } - if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (!stream.stream_ops.allocate) { - throw new FS.ErrnoError(138); - } - stream.stream_ops.allocate(stream, offset, length); - },mmap:(stream, address, length, position, prot, flags) => { - // User requests writing to file (prot & PROT_WRITE != 0). - // Checking if we have permissions to write to the file unless - // MAP_PRIVATE flag is set. According to POSIX spec it is possible - // to write to file opened in read-only mode with MAP_PRIVATE flag, - // as all modifications will be visible only in the memory of - // the current process. - if ((prot & 2) !== 0 - && (flags & 2) === 0 - && (stream.flags & 2097155) !== 2) { - throw new FS.ErrnoError(2); - } - if ((stream.flags & 2097155) === 1) { - throw new FS.ErrnoError(2); - } - if (!stream.stream_ops.mmap) { - throw new FS.ErrnoError(43); - } - return stream.stream_ops.mmap(stream, address, length, position, prot, flags); - },msync:(stream, buffer, offset, length, mmapFlags) => { - if (!stream || !stream.stream_ops.msync) { - return 0; - } - return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); - },munmap:(stream) => 0,ioctl:(stream, cmd, arg) => { - if (!stream.stream_ops.ioctl) { - throw new FS.ErrnoError(59); - } - return stream.stream_ops.ioctl(stream, cmd, arg); - },readFile:(path, opts = {}) => { - opts.flags = opts.flags || 0; - opts.encoding = opts.encoding || 'binary'; - if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { - throw new Error('Invalid encoding type "' + opts.encoding + '"'); - } - var ret; - var stream = FS.open(path, opts.flags); - var stat = FS.stat(path); - var length = stat.size; - var buf = new Uint8Array(length); - FS.read(stream, buf, 0, length, 0); - if (opts.encoding === 'utf8') { - ret = UTF8ArrayToString(buf, 0); - } else if (opts.encoding === 'binary') { - ret = buf; - } - FS.close(stream); - return ret; - },writeFile:(path, data, opts = {}) => { - opts.flags = opts.flags || 577; - var stream = FS.open(path, opts.flags, opts.mode); - if (typeof data == 'string') { - var buf = new Uint8Array(lengthBytesUTF8(data)+1); - var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); - FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); - } else if (ArrayBuffer.isView(data)) { - FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); - } else { - throw new Error('Unsupported data type'); - } - FS.close(stream); - },cwd:() => FS.currentPath,chdir:(path) => { - var lookup = FS.lookupPath(path, { follow: true }); - if (lookup.node === null) { - throw new FS.ErrnoError(44); - } - if (!FS.isDir(lookup.node.mode)) { - throw new FS.ErrnoError(54); - } - var errCode = FS.nodePermissions(lookup.node, 'x'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - FS.currentPath = lookup.path; - },createDefaultDirectories:() => { - FS.mkdir('/tmp'); - FS.mkdir('/home'); - FS.mkdir('/home/web_user'); - },createDefaultDevices:() => { - // create /dev - FS.mkdir('/dev'); - // setup /dev/null - FS.registerDevice(FS.makedev(1, 3), { - read: () => 0, - write: (stream, buffer, offset, length, pos) => length, - }); - FS.mkdev('/dev/null', FS.makedev(1, 3)); - // setup /dev/tty and /dev/tty1 - // stderr needs to print output using err() rather than out() - // so we register a second tty just for it. - 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)); - // setup /dev/[u]random - var random_device = getRandomDevice(); - FS.createDevice('/dev', 'random', random_device); - FS.createDevice('/dev', 'urandom', random_device); - // we're not going to emulate the actual shm device, - // just create the tmp dirs that reside in it commonly - FS.mkdir('/dev/shm'); - FS.mkdir('/dev/shm/tmp'); - },createSpecialDirectories:() => { - // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the - // name of the stream for fd 6 (see test_unistd_ttyname) - 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 /* 0777 */, 73); - node.node_ops = { - lookup: (parent, name) => { - var fd = +name; - var stream = FS.getStream(fd); - if (!stream) throw new FS.ErrnoError(8); - var ret = { - parent: null, - mount: { mountpoint: 'fake' }, - node_ops: { readlink: () => stream.path }, - }; - ret.parent = ret; // make it look like a simple root node - return ret; - } - }; - return node; - } - }, {}, '/proc/self/fd'); - },createStandardStreams:() => { - // TODO deprecate the old functionality of a single - // input / output callback and that utilizes FS.createDevice - // and instead require a unique set of stream ops - - // by default, we symlink the standard streams to the - // default tty devices. however, if the standard streams - // have been overwritten we create a unique device for - // them instead. - 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'); - } - - // open default streams for the stdin, stdout and stderr devices - var stdin = FS.open('/dev/stdin', 0); - var stdout = FS.open('/dev/stdout', 1); - var stderr = FS.open('/dev/stderr', 1); - assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); - assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')'); - assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')'); - },ensureErrnoError:() => { - if (FS.ErrnoError) return; - FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) { - this.node = node; - this.setErrno = /** @this{Object} */ function(errno) { - this.errno = errno; - for (var key in ERRNO_CODES) { - if (ERRNO_CODES[key] === errno) { - this.code = key; - break; - } - } - }; - this.setErrno(errno); - this.message = ERRNO_MESSAGES[errno]; - - // Try to get a maximally helpful stack trace. On Node.js, getting Error.stack - // now ensures it shows what we want. - if (this.stack) { - // Define the stack property for Node.js 4, which otherwise errors on the next line. - Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true }); - this.stack = demangleAll(this.stack); - } - }; - FS.ErrnoError.prototype = new Error(); - FS.ErrnoError.prototype.constructor = FS.ErrnoError; - // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info) - [44].forEach((code) => { - FS.genericErrors[code] = new FS.ErrnoError(code); - FS.genericErrors[code].stack = ''; - }); - },staticInit:() => { - FS.ensureErrnoError(); - - FS.nameTable = new Array(4096); - - FS.mount(MEMFS, {}, '/'); - - FS.createDefaultDirectories(); - FS.createDefaultDevices(); - FS.createSpecialDirectories(); - - FS.filesystems = { - 'MEMFS': MEMFS, - }; - },init:(input, output, error) => { - assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)'); - FS.init.initialized = true; - - FS.ensureErrnoError(); - - // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here - Module['stdin'] = input || Module['stdin']; - Module['stdout'] = output || Module['stdout']; - Module['stderr'] = error || Module['stderr']; - - FS.createStandardStreams(); - },quit:() => { - FS.init.initialized = false; - // Call musl-internal function to close all stdio streams, so nothing is - // left in internal buffers. - ___stdio_exit(); - // close all of our streams - for (var i = 0; i < FS.streams.length; i++) { - var stream = FS.streams[i]; - if (!stream) { - continue; - } - FS.close(stream); - } - },getMode:(canRead, canWrite) => { - var mode = 0; - if (canRead) mode |= 292 | 73; - if (canWrite) mode |= 146; - return mode; - },findObject:(path, dontResolveLastLink) => { - var ret = FS.analyzePath(path, dontResolveLastLink); - if (ret.exists) { - return ret.object; - } else { - return null; - } - },analyzePath:(path, dontResolveLastLink) => { - // operate from within the context of the symlink's target - 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) { - // ignore EEXIST - } - 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; - } - // make sure we can write to the file - FS.chmod(node, mode | 146); - var stream = FS.open(node, 577); - FS.write(stream, data, 0, data.length, 0, canOwn); - FS.close(stream); - FS.chmod(node, mode); - } - return node; - },createDevice:(parent, name, input, output) => { - var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); - var mode = FS.getMode(!!input, !!output); - if (!FS.createDevice.major) FS.createDevice.major = 64; - var dev = FS.makedev(FS.createDevice.major++, 0); - // Create a fake device that a set of stream ops to emulate - // the old behavior. - FS.registerDevice(dev, { - open: (stream) => { - stream.seekable = false; - }, - close: (stream) => { - // flush any pending line data - if (output && output.buffer && output.buffer.length) { - output(10); - } - }, - read: (stream, buffer, offset, length, pos /* ignored */) => { - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = input(); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset+i] = result; - } - if (bytesRead) { - stream.node.timestamp = Date.now(); - } - return bytesRead; - }, - write: (stream, buffer, offset, length, pos) => { - for (var i = 0; i < length; i++) { - try { - output(buffer[offset+i]); - } catch (e) { - throw new FS.ErrnoError(29); - } - } - if (length) { - stream.node.timestamp = Date.now(); - } - return i; - } - }); - return FS.mkdev(path, mode, dev); - },forceLoadFile:(obj) => { - if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; - if (typeof XMLHttpRequest != 'undefined') { - throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); - } else if (read_) { - // Command-line. - try { - // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as - // read() will try to parse UTF8. - obj.contents = intArrayFromString(read_(obj.url), true); - obj.usedBytes = obj.contents.length; - } catch (e) { - throw new FS.ErrnoError(29); - } - } else { - throw new Error('Cannot load without read() or XMLHttpRequest.'); - } - },createLazyFile:(parent, name, url, canRead, canWrite) => { - // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse. - /** @constructor */ - function LazyUint8Array() { - this.lengthKnown = false; - this.chunks = []; // Loaded chunks. Index is the chunk number - } - LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_get(idx) { - if (idx > this.length-1 || idx < 0) { - return undefined; - } - var chunkOffset = idx % this.chunkSize; - var chunkNum = (idx / this.chunkSize)|0; - return this.getter(chunkNum)[chunkOffset]; - }; - LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { - this.getter = getter; - }; - LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() { - // Find length - 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; // Chunk size in bytes - - if (!hasByteServing) chunkSize = datalength; - - // Function to get a range from the remote URL. - 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!"); - - // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); - - // Some hints to the browser that we want binary data. - 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(/** @type{Array} */(xhr.response || [])); - } else { - return intArrayFromString(xhr.responseText || '', true); - } - }; - var lazyArray = this; - lazyArray.setDataGetter((chunkNum) => { - var start = chunkNum * chunkSize; - var end = (chunkNum+1) * chunkSize - 1; // including this byte - end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block - 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) { - // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length - chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file - datalength = this.getter(0).length; - chunkSize = datalength; - out("LazyFiles on gzip forces download of the whole file when length is accessed"); - } - - this._length = datalength; - this._chunkSize = chunkSize; - this.lengthKnown = true; - }; - if (typeof XMLHttpRequest != 'undefined') { - if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; - var lazyArray = new LazyUint8Array(); - Object.defineProperties(lazyArray, { - length: { - get: /** @this{Object} */ function() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._length; - } - }, - chunkSize: { - get: /** @this{Object} */ function() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._chunkSize; - } - } - }); - - var properties = { isDevice: false, contents: lazyArray }; - } else { - var properties = { isDevice: false, url: url }; - } - - var node = FS.createFile(parent, name, properties, canRead, canWrite); - // This is a total hack, but I want to get this lazy file code out of the - // core of MEMFS. If we want to keep this lazy file concept I feel it should - // be its own thin LAZYFS proxying calls to MEMFS. - if (properties.contents) { - node.contents = properties.contents; - } else if (properties.url) { - node.contents = null; - node.url = properties.url; - } - // Add a function that defers querying the file size until it is asked the first time. - Object.defineProperties(node, { - usedBytes: { - get: /** @this {FSNode} */ function() { return this.contents.length; } - } - }); - // override each stream op with one that tries to force load the lazy file first - var stream_ops = {}; - var keys = Object.keys(node.stream_ops); - keys.forEach((key) => { - var fn = node.stream_ops[key]; - stream_ops[key] = function forceLoadLazyFile() { - FS.forceLoadFile(node); - return fn.apply(null, arguments); - }; - }); - // use a custom read function - stream_ops.read = (stream, buffer, offset, length, position) => { - FS.forceLoadFile(node); - var contents = stream.node.contents; - if (position >= contents.length) - return 0; - var size = Math.min(contents.length - position, length); - assert(size >= 0); - if (contents.slice) { // normal array - for (var i = 0; i < size; i++) { - buffer[offset + i] = contents[position + i]; - } - } else { - for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR - buffer[offset + i] = contents.get(position + i); - } - } - return size; - }; - node.stream_ops = stream_ops; - return node; - },createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { - // TODO we should allow people to just pass in a complete filename instead - // of parent and name being that we just join them anyways - var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; - var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname - function processData(byteArray) { - function finish(byteArray) { - if (preFinish) preFinish(); - if (!dontCreateFile) { - FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); - } - if (onload) onload(); - removeRunDependency(dep); - } - if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => { - if (onerror) onerror(); - removeRunDependency(dep); - })) { - return; - } - finish(byteArray); - } - addRunDependency(dep); - if (typeof url == 'string') { - asyncLoad(url, (byteArray) => processData(byteArray), onerror); - } else { - processData(url); - } - },indexedDB:() => { - return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; - },DB_NAME:() => { - return 'EM_FS_' + window.location.pathname; - },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => { - onload = onload || (() => {}); - onerror = onerror || (() => {}); - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); - } - openRequest.onupgradeneeded = () => { - out('creating db'); - var db = openRequest.result; - db.createObjectStore(FS.DB_STORE_NAME); - }; - openRequest.onsuccess = () => { - var db = openRequest.result; - var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); - } - paths.forEach((path) => { - var putRequest = files.put(FS.analyzePath(path).object.contents, path); - putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() }; - putRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; - }; - openRequest.onerror = onerror; - },loadFilesFromDB:(paths, onload, onerror) => { - onload = onload || (() => {}); - onerror = onerror || (() => {}); - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); - } - openRequest.onupgradeneeded = onerror; // no database to load from - openRequest.onsuccess = () => { - var db = openRequest.result; - try { - var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); - } catch(e) { - onerror(e); - return; - } - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); - } - paths.forEach((path) => { - var getRequest = files.get(path); - getRequest.onsuccess = () => { - if (FS.analyzePath(path).exists) { - FS.unlink(path); - } - FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); - ok++; - if (ok + fail == total) finish(); - }; - getRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; - }; - openRequest.onerror = onerror; - },absolutePath:() => { - abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); - },createFolder:() => { - abort('FS.createFolder has been removed; use FS.mkdir instead'); - },createLink:() => { - abort('FS.createLink has been removed; use FS.symlink instead'); - },joinPath:() => { - abort('FS.joinPath has been removed; use PATH.join instead'); - },mmapAlloc:() => { - abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); - },standardizePath:() => { - abort('FS.standardizePath has been removed; use PATH.normalize instead'); - }}; - var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) { - if (path[0] === '/') { - return path; - } - // relative path - var dir; - if (dirfd === -100) { - dir = FS.cwd(); - } else { - var dirstream = FS.getStream(dirfd); - if (!dirstream) throw new FS.ErrnoError(8); - dir = dirstream.path; - } - if (path.length == 0) { - if (!allowEmpty) { - throw new FS.ErrnoError(44);; - } - return dir; - } - return PATH.join2(dir, path); - },doStat:function(func, path, buf) { - try { - var stat = func(path); - } catch (e) { - if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { - // an error occurred while trying to look up the path; we should just report ENOTDIR - return -54; - } - throw e; - } - HEAP32[((buf)>>2)] = stat.dev; - HEAP32[(((buf)+(4))>>2)] = 0; - HEAP32[(((buf)+(8))>>2)] = stat.ino; - HEAP32[(((buf)+(12))>>2)] = stat.mode; - HEAP32[(((buf)+(16))>>2)] = stat.nlink; - HEAP32[(((buf)+(20))>>2)] = stat.uid; - HEAP32[(((buf)+(24))>>2)] = stat.gid; - HEAP32[(((buf)+(28))>>2)] = stat.rdev; - HEAP32[(((buf)+(32))>>2)] = 0; - (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); - HEAP32[(((buf)+(48))>>2)] = 4096; - HEAP32[(((buf)+(52))>>2)] = stat.blocks; - HEAP32[(((buf)+(56))>>2)] = (stat.atime.getTime() / 1000)|0; - HEAP32[(((buf)+(60))>>2)] = 0; - HEAP32[(((buf)+(64))>>2)] = (stat.mtime.getTime() / 1000)|0; - HEAP32[(((buf)+(68))>>2)] = 0; - HEAP32[(((buf)+(72))>>2)] = (stat.ctime.getTime() / 1000)|0; - HEAP32[(((buf)+(76))>>2)] = 0; - (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(80))>>2)] = tempI64[0],HEAP32[(((buf)+(84))>>2)] = tempI64[1]); - return 0; - },doMsync:function(addr, stream, len, flags, offset) { - var buffer = HEAPU8.slice(addr, addr + len); - FS.msync(stream, buffer, offset, len, flags); - },doMkdir:function(path, mode) { - // remove a trailing slash, if one - /a/b/ has basename of '', but - // we want to create b in the context of this function - path = PATH.normalize(path); - if (path[path.length-1] === '/') path = path.substr(0, path.length-1); - FS.mkdir(path, mode, 0); - return 0; - },doMknod:function(path, mode, dev) { - // we don't want this in the JS API as it uses mknod to create all nodes. - switch (mode & 61440) { - case 32768: - case 8192: - case 24576: - case 4096: - case 49152: - break; - default: return -28; - } - FS.mknod(path, mode, dev); - return 0; - },doReadlink:function(path, buf, bufsize) { - if (bufsize <= 0) return -28; - var ret = FS.readlink(path); - - var len = Math.min(bufsize, lengthBytesUTF8(ret)); - var endChar = HEAP8[buf+len]; - stringToUTF8(ret, buf, bufsize+1); - // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!) - // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write. - HEAP8[buf+len] = endChar; - - return len; - },doAccess:function(path, amode) { - if (amode & ~7) { - // need a valid mode - 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 /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) { - return -2; - } - return 0; - },doDup:function(path, flags, suggestFD) { - var suggest = FS.getStream(suggestFD); - if (suggest) FS.close(suggest); - return FS.open(path, flags, 0, suggestFD, suggestFD).fd; - },doReadv:function(stream, iov, iovcnt, offset) { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAP32[(((iov)+(i*8))>>2)]; - var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; - var curr = FS.read(stream, HEAP8,ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (curr < len) break; // nothing more to read - } - return ret; - },doWritev:function(stream, iov, iovcnt, offset) { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAP32[(((iov)+(i*8))>>2)]; - var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; - var curr = FS.write(stream, HEAP8,ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - } - return ret; - },varargs:undefined,get:function() { - assert(SYSCALLS.varargs != undefined); - SYSCALLS.varargs += 4; - var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; - return ret; - },getStr:function(ptr) { - var ret = UTF8ToString(ptr); - return ret; - },getStreamFromFD:function(fd) { - var stream = FS.getStream(fd); - if (!stream) throw new FS.ErrnoError(8); - return stream; - },get64:function(low, high) { - if (low >= 0) assert(high === 0); - else assert(high === -1); - return low; - }}; - function ___syscall_fcntl64(fd, cmd, varargs) { - SYSCALLS.varargs = varargs; - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - switch (cmd) { - case 0: { - var arg = SYSCALLS.get(); - if (arg < 0) { - return -28; - } - var newStream; - newStream = FS.open(stream.path, stream.flags, 0, arg); - return newStream.fd; - } - case 1: - case 2: - return 0; // FD_CLOEXEC makes no sense for a single process. - case 3: - return stream.flags; - case 4: { - var arg = SYSCALLS.get(); - stream.flags |= arg; - return 0; - } - case 5: - /* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ { - - var arg = SYSCALLS.get(); - var offset = 0; - // We're always unlocked. - HEAP16[(((arg)+(offset))>>1)] = 2; - return 0; - } - case 6: - case 7: - /* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ - /* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ - - - return 0; // Pretend that the locking is successful. - case 16: - case 8: - return -28; // These are for sockets. We don't have them fully implemented yet. - case 9: - // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fnctl() returns that, and we set errno ourselves. - setErrNo(28); - return -1; - default: { - return -28; - } - } - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function ___syscall_fstat64(fd, buf) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - return SYSCALLS.doStat(FS.stat, stream.path, buf); - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function ___syscall_fstatat64(dirfd, path, buf, flags) { - try { - - path = SYSCALLS.getStr(path); - var nofollow = flags & 256; - var allowEmpty = flags & 4096; - flags = flags & (~4352); - assert(!flags, flags); - path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); - return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf); - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.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: - case 21505: { - if (!stream.tty) return -59; - return 0; - } - case 21510: - case 21511: - case 21512: - case 21506: - case 21507: - case 21508: { - if (!stream.tty) return -59; - return 0; // no-op, not actually adjusting terminal settings - } - case 21519: { - if (!stream.tty) return -59; - var argp = SYSCALLS.get(); - HEAP32[((argp)>>2)] = 0; - return 0; - } - case 21520: { - if (!stream.tty) return -59; - return -28; // not supported - } - case 21531: { - var argp = SYSCALLS.get(); - return FS.ioctl(stream, op, argp); - } - case 21523: { - // TODO: in theory we should write to the winsize struct that gets - // passed in, but for now musl doesn't read anything on it - if (!stream.tty) return -59; - return 0; - } - case 21524: { - // TODO: technically, this ioctl call should change the window size. - // but, since emscripten doesn't have any concept of a terminal window - // yet, we'll just silently throw it away as we do TIOCGWINSZ - if (!stream.tty) return -59; - return 0; - } - default: abort('bad ioctl syscall ' + op); - } - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.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 instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function ___syscall_mkdir(path, mode) { - try { - - path = SYSCALLS.getStr(path); - return SYSCALLS.doMkdir(path, mode); - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function ___syscall_open(path, flags, varargs) { - SYSCALLS.varargs = varargs; - try { - - var pathname = SYSCALLS.getStr(path); - var mode = varargs ? SYSCALLS.get() : 0; - var stream = FS.open(pathname, flags, mode); - return stream.fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function ___syscall_stat64(path, buf) { - try { - - path = SYSCALLS.getStr(path); - return SYSCALLS.doStat(FS.stat, path, buf); - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return -e.errno; - } - } - - function __localtime_js(time, tmPtr) { - var date = new Date(HEAP32[((time)>>2)]*1000); - HEAP32[((tmPtr)>>2)] = date.getSeconds(); - HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes(); - HEAP32[(((tmPtr)+(8))>>2)] = date.getHours(); - HEAP32[(((tmPtr)+(12))>>2)] = date.getDate(); - HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth(); - HEAP32[(((tmPtr)+(20))>>2)] = date.getFullYear()-1900; - HEAP32[(((tmPtr)+(24))>>2)] = date.getDay(); - - var start = new Date(date.getFullYear(), 0, 1); - var yday = ((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24))|0; - HEAP32[(((tmPtr)+(28))>>2)] = yday; - HEAP32[(((tmPtr)+(36))>>2)] = -(date.getTimezoneOffset() * 60); - - // Attention: DST is in December in South, and some regions don't have DST at all. - 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; - } - - function _tzset_impl(timezone, daylight, tzname) { - 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(); - - // Local standard timezone offset. Local standard time is not adjusted for daylight savings. - // This code uses the fact that getTimezoneOffset returns a greater value during Standard Time versus Daylight Saving Time (DST). - // Thus it determines the expected output during Standard Time, and it compares whether the output of the given date the same (Standard) or less (DST). - var stdTimezoneOffset = Math.max(winterOffset, summerOffset); - - // timezone is specified as seconds west of UTC ("The external variable - // `timezone` shall be set to the difference, in seconds, between - // Coordinated Universal Time (UTC) and local standard time."), the same - // as returned by stdTimezoneOffset. - // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html - HEAP32[((timezone)>>2)] = stdTimezoneOffset * 60; - - HEAP32[((daylight)>>2)] = Number(winterOffset != summerOffset); - - function extractZone(date) { - var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/); - return match ? match[1] : "GMT"; - }; - var winterName = extractZone(winter); - var summerName = extractZone(summer); - var winterNamePtr = allocateUTF8(winterName); - var summerNamePtr = allocateUTF8(summerName); - if (summerOffset < winterOffset) { - // Northern hemisphere - HEAP32[((tzname)>>2)] = winterNamePtr; - HEAP32[(((tzname)+(4))>>2)] = summerNamePtr; - } else { - HEAP32[((tzname)>>2)] = summerNamePtr; - HEAP32[(((tzname)+(4))>>2)] = winterNamePtr; - } - } - function __tzset_js(timezone, daylight, tzname) { - // TODO: Use (malleable) environment variables instead of system settings. - if (__tzset_js.called) return; - __tzset_js.called = true; - _tzset_impl(timezone, daylight, tzname); - } - - function _abort() { - abort('native code called abort()'); - } - - var _emscripten_get_now;if (ENVIRONMENT_IS_NODE) { - _emscripten_get_now = () => { - var t = process['hrtime'](); - return t[0] * 1e3 + t[1] / 1e6; - }; - } else _emscripten_get_now = () => performance.now(); - ; - - var _emscripten_get_now_is_monotonic = true;; - function _clock_gettime(clk_id, tp) { - // int clock_gettime(clockid_t clk_id, struct timespec *tp); - var now; - if (clk_id === 0) { - now = Date.now(); - } else if ((clk_id === 1 || clk_id === 4) && _emscripten_get_now_is_monotonic) { - now = _emscripten_get_now(); - } else { - setErrNo(28); - return -1; - } - HEAP32[((tp)>>2)] = (now/1000)|0; // seconds - HEAP32[(((tp)+(4))>>2)] = ((now % 1000)*1000*1000)|0; // nanoseconds - return 0; - } - - function _emscripten_memcpy_big(dest, src, num) { - HEAPU8.copyWithin(dest, src, src + num); - } - - function _emscripten_get_heap_max() { - return HEAPU8.length; - } - - function abortOnCannotGrowMemory(requestedSize) { - abort('Cannot enlarge memory arrays to size ' + requestedSize + ' bytes (OOM). Either (1) compile with -s INITIAL_MEMORY=X with X higher than the current value ' + HEAP8.length + ', (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 '); - } - function _emscripten_resize_heap(requestedSize) { - var oldSize = HEAPU8.length; - requestedSize = requestedSize >>> 0; - abortOnCannotGrowMemory(requestedSize); - } - - /** @param {boolean=} synchronous */ - function callUserCallback(func, synchronous) { - if (runtimeExited || ABORT) { - err('user callback triggered after runtime exited or application aborted. Ignoring.'); - return; - } - // For synchronous calls, let any exceptions propagate, and don't let the runtime exit. - if (synchronous) { - func(); - return; - } - try { - func(); - } catch (e) { - handleException(e); - } - } - - function runtimeKeepalivePush() { - runtimeKeepaliveCounter += 1; - } - - function runtimeKeepalivePop() { - assert(runtimeKeepaliveCounter > 0); - runtimeKeepaliveCounter -= 1; - } - /** @param {number=} timeout */ - function safeSetTimeout(func, timeout) { - - return setTimeout(function() { - - callUserCallback(func); - }, timeout); - } - var Browser = {mainLoop:{running:false,scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function() { - Browser.mainLoop.scheduler = null; - // Incrementing this signals the previous main loop that it's now become old, and it must return. - Browser.mainLoop.currentlyRunningMainloop++; - },resume:function() { - Browser.mainLoop.currentlyRunningMainloop++; - var timingMode = Browser.mainLoop.timingMode; - var timingValue = Browser.mainLoop.timingValue; - var func = Browser.mainLoop.func; - Browser.mainLoop.func = null; - // do not set timing and call scheduler, we will do it on the next lines - setMainLoop(func, 0, false, Browser.mainLoop.arg, true); - _emscripten_set_main_loop_timing(timingMode, timingValue); - Browser.mainLoop.scheduler(); - },updateStatus:function() { - if (Module['setStatus']) { - var message = Module['statusMessage'] || 'Please wait...'; - var remaining = Browser.mainLoop.remainingBlockers; - var expected = Browser.mainLoop.expectedBlockers; - if (remaining) { - if (remaining < expected) { - Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')'); - } else { - Module['setStatus'](message); - } - } else { - Module['setStatus'](''); - } - } - },runIter:function(func) { - if (ABORT) return; - if (Module['preMainLoop']) { - var preRet = Module['preMainLoop'](); - if (preRet === false) { - return; // |return false| skips a frame - } - } - callUserCallback(func); - if (Module['postMainLoop']) Module['postMainLoop'](); - }},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function() { - if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers - - if (Browser.initted) return; - Browser.initted = true; - - try { - new Blob(); - Browser.hasBlobConstructor = true; - } catch(e) { - Browser.hasBlobConstructor = false; - out("warning: no blob constructor, cannot create blobs with mimetypes"); - } - Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? out("warning: no BlobBuilder") : null)); - Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined; - if (!Module.noImageDecoding && typeof Browser.URLObject == 'undefined') { - out("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available."); - Module.noImageDecoding = true; - } - - // Support for plugins that can process preloaded files. You can add more of these to - // your app by creating and appending to Module.preloadPlugins. - // - // Each plugin is asked if it can handle a file based on the file's name. If it can, - // it is given the file's raw data. When it is done, it calls a callback with the file's - // (possibly modified) data. For example, a plugin might decompress a file, or it - // might create some side data structure for use later (like an Image element, etc.). - - var imagePlugin = {}; - imagePlugin['canHandle'] = function imagePlugin_canHandle(name) { - return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name); - }; - imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) { - var b = null; - if (Browser.hasBlobConstructor) { - try { - b = new Blob([byteArray], { type: Browser.getMimetype(name) }); - if (b.size !== byteArray.length) { // Safari bug #118630 - // Safari's Blob can only take an ArrayBuffer - b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) }); - } - } catch(e) { - warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder'); - } - } - if (!b) { - var bb = new Browser.BlobBuilder(); - bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range - b = bb.getBlob(); - } - var url = Browser.URLObject.createObjectURL(b); - assert(typeof url == 'string', 'createObjectURL must return a url as a string'); - var img = new Image(); - img.onload = () => { - assert(img.complete, 'Image ' + name + ' could not be decoded'); - var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement('canvas')); - canvas.width = img.width; - canvas.height = img.height; - var ctx = canvas.getContext('2d'); - ctx.drawImage(img, 0, 0); - Module["preloadedImages"][name] = canvas; - Browser.URLObject.revokeObjectURL(url); - if (onload) onload(byteArray); - }; - img.onerror = (event) => { - out('Image ' + url + ' could not be decoded'); - if (onerror) onerror(); - }; - img.src = url; - }; - Module['preloadPlugins'].push(imagePlugin); - - var audioPlugin = {}; - audioPlugin['canHandle'] = function audioPlugin_canHandle(name) { - return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 }; - }; - audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) { - var done = false; - function finish(audio) { - if (done) return; - done = true; - Module["preloadedAudios"][name] = audio; - if (onload) onload(byteArray); - } - function fail() { - if (done) return; - done = true; - Module["preloadedAudios"][name] = new Audio(); // empty shim - if (onerror) onerror(); - } - if (Browser.hasBlobConstructor) { - try { - var b = new Blob([byteArray], { type: Browser.getMimetype(name) }); - } catch(e) { - return fail(); - } - var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this! - assert(typeof url == 'string', 'createObjectURL must return a url as a string'); - var audio = new Audio(); - audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926 - audio.onerror = function audio_onerror(event) { - if (done) return; - out('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach'); - function encode64(data) { - var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; - var PAD = '='; - var ret = ''; - var leftchar = 0; - var leftbits = 0; - for (var i = 0; i < data.length; i++) { - leftchar = (leftchar << 8) | data[i]; - leftbits += 8; - while (leftbits >= 6) { - var curr = (leftchar >> (leftbits-6)) & 0x3f; - leftbits -= 6; - ret += BASE[curr]; - } - } - if (leftbits == 2) { - ret += BASE[(leftchar&3) << 4]; - ret += PAD + PAD; - } else if (leftbits == 4) { - ret += BASE[(leftchar&0xf) << 2]; - ret += PAD; - } - return ret; - } - audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray); - finish(audio); // we don't wait for confirmation this worked - but it's worth trying - }; - audio.src = url; - // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror - safeSetTimeout(function() { - finish(audio); // try to use it even though it is not necessarily ready to play - }, 10000); - } else { - return fail(); - } - }; - Module['preloadPlugins'].push(audioPlugin); - - // Canvas event setup - - 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) { - // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module - // Module['forcedAspectRatio'] = 4 / 3; - - canvas.requestPointerLock = canvas['requestPointerLock'] || - canvas['mozRequestPointerLock'] || - canvas['webkitRequestPointerLock'] || - canvas['msRequestPointerLock'] || - function(){}; - canvas.exitPointerLock = document['exitPointerLock'] || - document['mozExitPointerLock'] || - document['webkitExitPointerLock'] || - document['msExitPointerLock'] || - function(){}; // no-op if function does not exist - canvas.exitPointerLock = canvas.exitPointerLock.bind(document); - - document.addEventListener('pointerlockchange', pointerLockChange, false); - document.addEventListener('mozpointerlockchange', pointerLockChange, false); - document.addEventListener('webkitpointerlockchange', pointerLockChange, false); - document.addEventListener('mspointerlockchange', pointerLockChange, false); - - if (Module['elementPointerLock']) { - canvas.addEventListener("click", function(ev) { - if (!Browser.pointerLock && Module['canvas'].requestPointerLock) { - Module['canvas'].requestPointerLock(); - ev.preventDefault(); - } - }, false); - } - } - },handledByPreloadPlugin:function(byteArray, fullname, finish, onerror) { - // Ensure plugins are ready. - Browser.init(); - - var handled = false; - Module['preloadPlugins'].forEach(function(plugin) { - if (handled) return; - if (plugin['canHandle'](fullname)) { - plugin['handle'](byteArray, fullname, finish, onerror); - handled = true; - } - }); - return handled; - },createContext:function(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) { - if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx; // no need to recreate GL context if it's already been created for this canvas. - - var ctx; - var contextHandle; - if (useWebGL) { - // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults. - var contextAttributes = { - antialias: false, - alpha: false, - majorVersion: (typeof WebGL2RenderingContext != 'undefined') ? 2 : 1, - }; - - if (webGLContextAttributes) { - for (var attribute in webGLContextAttributes) { - contextAttributes[attribute] = webGLContextAttributes[attribute]; - } - } - - // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not - // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function - // Browser.createContext() should not even be emitted. - if (typeof GL != 'undefined') { - contextHandle = GL.createContext(canvas, contextAttributes); - if (contextHandle) { - ctx = GL.getContext(contextHandle).GLctx; - } - } - } else { - ctx = canvas.getContext('2d'); - } - - if (!ctx) return null; - - if (setInModule) { - if (!useWebGL) assert(typeof GLctx == 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it'); - - Module.ctx = ctx; - if (useWebGL) GL.makeContextCurrent(contextHandle); - Module.useWebGL = useWebGL; - Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() }); - Browser.init(); - } - return ctx; - },destroyContext:function(canvas, useWebGL, setInModule) {},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer, resizeCanvas) { - Browser.lockPointer = lockPointer; - Browser.resizeCanvas = resizeCanvas; - if (typeof Browser.lockPointer == 'undefined') Browser.lockPointer = true; - if (typeof Browser.resizeCanvas == 'undefined') Browser.resizeCanvas = false; - - var canvas = Module['canvas']; - function fullscreenChange() { - Browser.isFullscreen = false; - var canvasContainer = canvas.parentNode; - if ((document['fullscreenElement'] || document['mozFullScreenElement'] || - document['msFullscreenElement'] || document['webkitFullscreenElement'] || - document['webkitCurrentFullScreenElement']) === canvasContainer) { - canvas.exitFullscreen = Browser.exitFullscreen; - if (Browser.lockPointer) canvas.requestPointerLock(); - Browser.isFullscreen = true; - if (Browser.resizeCanvas) { - Browser.setFullscreenCanvasSize(); - } else { - Browser.updateCanvasDimensions(canvas); - } - } else { - // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen - canvasContainer.parentNode.insertBefore(canvas, canvasContainer); - canvasContainer.parentNode.removeChild(canvasContainer); - - if (Browser.resizeCanvas) { - Browser.setWindowedCanvasSize(); - } else { - Browser.updateCanvasDimensions(canvas); - } - } - if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen); - if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen); - } - - if (!Browser.fullscreenHandlersInstalled) { - Browser.fullscreenHandlersInstalled = true; - document.addEventListener('fullscreenchange', fullscreenChange, false); - document.addEventListener('mozfullscreenchange', fullscreenChange, false); - document.addEventListener('webkitfullscreenchange', fullscreenChange, false); - document.addEventListener('MSFullscreenChange', fullscreenChange, false); - } - - // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root - var canvasContainer = document.createElement("div"); - canvas.parentNode.insertBefore(canvasContainer, canvas); - canvasContainer.appendChild(canvas); - - // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size) - canvasContainer.requestFullscreen = canvasContainer['requestFullscreen'] || - canvasContainer['mozRequestFullScreen'] || - canvasContainer['msRequestFullscreen'] || - (canvasContainer['webkitRequestFullscreen'] ? function() { canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null) || - (canvasContainer['webkitRequestFullScreen'] ? function() { canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null); - - canvasContainer.requestFullscreen(); - },requestFullScreen:function() { - abort('Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)'); - },exitFullscreen:function() { - // This is workaround for chrome. Trying to exit from fullscreen - // not in fullscreen state will cause "TypeError: Document not active" - // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236 - if (!Browser.isFullscreen) { - return false; - } - - var CFS = document['exitFullscreen'] || - document['cancelFullScreen'] || - document['mozCancelFullScreen'] || - document['msExitFullscreen'] || - document['webkitCancelFullScreen'] || - (function() {}); - CFS.apply(document, []); - return true; - },nextRAF:0,fakeRequestAnimationFrame:function(func) { - // try to keep 60fps between calls to here - var now = Date.now(); - if (Browser.nextRAF === 0) { - Browser.nextRAF = now + 1000/60; - } else { - while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0 - Browser.nextRAF += 1000/60; - } - } - var delay = Math.max(Browser.nextRAF - now, 0); - setTimeout(func, delay); - },requestAnimationFrame:function(func) { - if (typeof requestAnimationFrame == 'function') { - requestAnimationFrame(func); - return; - } - var RAF = Browser.fakeRequestAnimationFrame; - RAF(func); - },safeSetTimeout:function(func) { - // Legacy function, this is used by the SDL2 port so we need to keep it - // around at least until that is updated. - return safeSetTimeout(func); - },safeRequestAnimationFrame:function(func) { - - return Browser.requestAnimationFrame(function() { - - callUserCallback(func); - }); - },getMimetype:function(name) { - return { - 'jpg': 'image/jpeg', - 'jpeg': 'image/jpeg', - 'png': 'image/png', - 'bmp': 'image/bmp', - 'ogg': 'audio/ogg', - 'wav': 'audio/wav', - 'mp3': 'audio/mpeg' - }[name.substr(name.lastIndexOf('.')+1)]; - },getUserMedia:function(func) { - if (!window.getUserMedia) { - window.getUserMedia = navigator['getUserMedia'] || - navigator['mozGetUserMedia']; - } - window.getUserMedia(func); - },getMovementX:function(event) { - return event['movementX'] || - event['mozMovementX'] || - event['webkitMovementX'] || - 0; - },getMovementY:function(event) { - return event['movementY'] || - event['mozMovementY'] || - event['webkitMovementY'] || - 0; - },getMouseWheelDelta:function(event) { - var delta = 0; - switch (event.type) { - case 'DOMMouseScroll': - // 3 lines make up a step - delta = event.detail / 3; - break; - case 'mousewheel': - // 120 units make up a step - delta = event.wheelDelta / 120; - break; - case 'wheel': - delta = event.deltaY - switch (event.deltaMode) { - case 0: - // DOM_DELTA_PIXEL: 100 pixels make up a step - delta /= 100; - break; - case 1: - // DOM_DELTA_LINE: 3 lines make up a step - delta /= 3; - break; - case 2: - // DOM_DELTA_PAGE: A page makes up 80 steps - delta *= 80; - break; - default: - throw 'unrecognized mouse wheel delta mode: ' + event.deltaMode; - } - break; - default: - throw 'unrecognized mouse wheel event: ' + event.type; - } - return delta; - },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function(event) { // event should be mousemove, mousedown or mouseup - if (Browser.pointerLock) { - // When the pointer is locked, calculate the coordinates - // based on the movement of the mouse. - // Workaround for Firefox bug 764498 - if (event.type != 'mousemove' && - ('mozMovementX' in event)) { - Browser.mouseMovementX = Browser.mouseMovementY = 0; - } else { - Browser.mouseMovementX = Browser.getMovementX(event); - Browser.mouseMovementY = Browser.getMovementY(event); - } - - // check if SDL is available - if (typeof SDL != "undefined") { - Browser.mouseX = SDL.mouseX + Browser.mouseMovementX; - Browser.mouseY = SDL.mouseY + Browser.mouseMovementY; - } else { - // just add the mouse delta to the current absolut mouse position - // FIXME: ideally this should be clamped against the canvas size and zero - Browser.mouseX += Browser.mouseMovementX; - Browser.mouseY += Browser.mouseMovementY; - } - } else { - // Otherwise, calculate the movement based on the changes - // in the coordinates. - var rect = Module["canvas"].getBoundingClientRect(); - var cw = Module["canvas"].width; - var ch = Module["canvas"].height; - - // Neither .scrollX or .pageXOffset are defined in a spec, but - // we prefer .scrollX because it is currently in a spec draft. - // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/) - var scrollX = ((typeof window.scrollX != 'undefined') ? window.scrollX : window.pageXOffset); - var scrollY = ((typeof window.scrollY != 'undefined') ? window.scrollY : window.pageYOffset); - // If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset - // and we have no viable fallback. - assert((typeof scrollX != 'undefined') && (typeof scrollY != 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.'); - - if (event.type === 'touchstart' || event.type === 'touchend' || event.type === 'touchmove') { - var touch = event.touch; - if (touch === undefined) { - return; // the "touch" property is only defined in SDL - - } - var adjustedX = touch.pageX - (scrollX + rect.left); - var adjustedY = touch.pageY - (scrollY + rect.top); - - adjustedX = adjustedX * (cw / rect.width); - adjustedY = adjustedY * (ch / rect.height); - - var coords = { x: adjustedX, y: adjustedY }; - - if (event.type === 'touchstart') { - Browser.lastTouches[touch.identifier] = coords; - Browser.touches[touch.identifier] = coords; - } else if (event.type === 'touchend' || event.type === 'touchmove') { - var last = Browser.touches[touch.identifier]; - if (!last) last = coords; - Browser.lastTouches[touch.identifier] = last; - Browser.touches[touch.identifier] = coords; - } - return; - } - - var x = event.pageX - (scrollX + rect.left); - var y = event.pageY - (scrollY + rect.top); - - // the canvas might be CSS-scaled compared to its backbuffer; - // SDL-using content will want mouse coordinates in terms - // of backbuffer units. - x = x * (cw / rect.width); - y = y * (ch / rect.height); - - Browser.mouseMovementX = x - Browser.mouseX; - Browser.mouseMovementY = y - Browser.mouseY; - Browser.mouseX = x; - Browser.mouseY = y; - } - },resizeListeners:[],updateResizeListeners:function() { - var canvas = Module['canvas']; - Browser.resizeListeners.forEach(function(listener) { - listener(canvas.width, canvas.height); - }); - },setCanvasSize:function(width, height, noUpdates) { - var canvas = Module['canvas']; - Browser.updateCanvasDimensions(canvas, width, height); - if (!noUpdates) Browser.updateResizeListeners(); - },windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function() { - // check if SDL is available - if (typeof SDL != "undefined") { - var flags = HEAPU32[((SDL.screen)>>2)]; - flags = flags | 0x00800000; // set SDL_FULLSCREEN flag - HEAP32[((SDL.screen)>>2)] = flags; - } - Browser.updateCanvasDimensions(Module['canvas']); - Browser.updateResizeListeners(); - },setWindowedCanvasSize:function() { - // check if SDL is available - if (typeof SDL != "undefined") { - var flags = HEAPU32[((SDL.screen)>>2)]; - flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag - HEAP32[((SDL.screen)>>2)] = flags; - } - Browser.updateCanvasDimensions(Module['canvas']); - Browser.updateResizeListeners(); - },updateCanvasDimensions:function(canvas, wNative, hNative) { - if (wNative && hNative) { - canvas.widthNative = wNative; - canvas.heightNative = hNative; - } else { - wNative = canvas.widthNative; - hNative = canvas.heightNative; - } - var w = wNative; - var h = hNative; - if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) { - if (w/h < Module['forcedAspectRatio']) { - w = Math.round(h * Module['forcedAspectRatio']); - } else { - h = Math.round(w / Module['forcedAspectRatio']); - } - } - if (((document['fullscreenElement'] || document['mozFullScreenElement'] || - document['msFullscreenElement'] || document['webkitFullscreenElement'] || - document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) { - var factor = Math.min(screen.width / w, screen.height / h); - w = Math.round(w * factor); - h = Math.round(h * factor); - } - if (Browser.resizeCanvas) { - if (canvas.width != w) canvas.width = w; - if (canvas.height != h) canvas.height = h; - if (typeof canvas.style != 'undefined') { - canvas.style.removeProperty( "width"); - canvas.style.removeProperty("height"); - } - } else { - if (canvas.width != wNative) canvas.width = wNative; - if (canvas.height != hNative) canvas.height = hNative; - if (typeof canvas.style != 'undefined') { - if (w != wNative || h != hNative) { - canvas.style.setProperty( "width", w + "px", "important"); - canvas.style.setProperty("height", h + "px", "important"); - } else { - canvas.style.removeProperty( "width"); - canvas.style.removeProperty("height"); - } - } - } - }}; - function _emscripten_set_main_loop_timing(mode, value) { - Browser.mainLoop.timingMode = mode; - Browser.mainLoop.timingValue = value; - - if (!Browser.mainLoop.func) { - err('emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.'); - return 1; // Return non-zero on failure, can't set timing mode when there is no main loop. - } - - if (!Browser.mainLoop.running) { - - Browser.mainLoop.running = true; - } - if (mode == 0 /*EM_TIMING_SETTIMEOUT*/) { - 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); // doing this each time means that on exception, we stop - }; - Browser.mainLoop.method = 'timeout'; - } else if (mode == 1 /*EM_TIMING_RAF*/) { - Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() { - Browser.requestAnimationFrame(Browser.mainLoop.runner); - }; - Browser.mainLoop.method = 'rAF'; - } else if (mode == 2 /*EM_TIMING_SETIMMEDIATE*/) { - if (typeof setImmediate == 'undefined') { - // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed) - var setImmediates = []; - var emscriptenMainLoopMessageId = 'setimmediate'; - var Browser_setImmediate_messageHandler = function(/** @type {Event} */ event) { - // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events, - // so check for both cases. - if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) { - event.stopPropagation(); - setImmediates.shift()(); - } - } - addEventListener("message", Browser_setImmediate_messageHandler, true); - setImmediate = /** @type{function(function(): ?, ...?): number} */(function Browser_emulated_setImmediate(func) { - setImmediates.push(func); - if (ENVIRONMENT_IS_WORKER) { - if (Module['setImmediates'] === undefined) Module['setImmediates'] = []; - Module['setImmediates'].push(func); - postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js - } else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself. - }) - } - Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() { - setImmediate(Browser.mainLoop.runner); - }; - Browser.mainLoop.method = 'immediate'; - } - return 0; - } - - function _exit(status) { - // void _exit(int status); - // http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html - exit(status); - } - function maybeExit() { - if (!keepRuntimeAlive()) { - try { - _exit(EXITSTATUS); - } catch (e) { - handleException(e); - } - } - } - - /** - * @param {number=} arg - * @param {boolean=} noSetTiming - */ - function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) { - assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.'); - - Browser.mainLoop.func = browserIterationFunc; - Browser.mainLoop.arg = arg; - - var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop; - function checkIsRunning() { - if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) { - - maybeExit(); - return false; - } - return true; - } - - // We create the loop runner here but it is not actually running until - // _emscripten_set_main_loop_timing is called (which might happen a - // later time). This member signifies that the current runner has not - // yet been started so that we can call runtimeKeepalivePush when it - // gets it timing set for the first time. - 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 { - // not counted, but move the progress along a tiny bit - next = next + 0.5; // do not steal all the next one's progress - Browser.mainLoop.remainingBlockers = (8*remaining + next)/9; - } - } - out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + ' ms'); //, left: ' + Browser.mainLoop.remainingBlockers); - Browser.mainLoop.updateStatus(); - - // catches pause/resume main loop from blocker execution - if (!checkIsRunning()) return; - - setTimeout(Browser.mainLoop.runner, 0); - return; - } - - // catch pauses from non-main loop sources - if (!checkIsRunning()) return; - - // Implement very basic swap interval control - Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0; - if (Browser.mainLoop.timingMode == 1/*EM_TIMING_RAF*/ && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) { - // Not the scheduled time to render this frame - skip. - Browser.mainLoop.scheduler(); - return; - } else if (Browser.mainLoop.timingMode == 0/*EM_TIMING_SETTIMEOUT*/) { - Browser.mainLoop.tickStartTime = _emscripten_get_now(); - } - - // Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize - // VBO double-buffering and reduce GPU stalls. - - if (Browser.mainLoop.method === 'timeout' && Module.ctx) { - warnOnce('Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!'); - Browser.mainLoop.method = ''; // just warn once per call to set main loop - } - - Browser.mainLoop.runIter(browserIterationFunc); - - checkStackCookie(); - - // catch pauses from the main loop itself - if (!checkIsRunning()) return; - - // Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able - // to queue the newest produced audio samples. - // TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData() - // do not need to be hardcoded into this function, but can be more generic. - if (typeof SDL == 'object' && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData(); - - Browser.mainLoop.scheduler(); - } - - if (!noSetTiming) { - if (fps && fps > 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 1000.0 / fps); - else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, 1); // Do rAF by rendering each frame (no decimating) - - Browser.mainLoop.scheduler(); - } - - if (simulateInfiniteLoop) { - throw 'unwind'; - } - } - function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop) { - var browserIterationFunc = getWasmTableEntry(func); - setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop); - } - - var ENV = {}; - - function getExecutableName() { - return thisProgram || './this.program'; - } - function getEnvStrings() { - if (!getEnvStrings.strings) { - // Default values. - // Browser language detection #8751 - 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() - }; - // Apply the user-provided values, if any. - for (var x in ENV) { - // x is a key in ENV; if ENV[x] is undefined, that means it was - // explicitly set to be so. We allow user code to do that to - // force variables with default values to remain unset. - 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; - } - function _environ_get(__environ, environ_buf) { - var bufSize = 0; - getEnvStrings().forEach(function(string, i) { - var ptr = environ_buf + bufSize; - HEAP32[(((__environ)+(i * 4))>>2)] = ptr; - writeAsciiToMemory(string, ptr); - bufSize += string.length + 1; - }); - return 0; - } - - function _environ_sizes_get(penviron_count, penviron_buf_size) { - var strings = getEnvStrings(); - HEAP32[((penviron_count)>>2)] = strings.length; - var bufSize = 0; - strings.forEach(function(string) { - bufSize += string.length + 1; - }); - HEAP32[((penviron_buf_size)>>2)] = bufSize; - return 0; - } - - function _fd_close(fd) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - FS.close(stream); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return e.errno; - } - } - - function _fd_read(fd, iov, iovcnt, pnum) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - var num = SYSCALLS.doReadv(stream, iov, iovcnt); - HEAP32[((pnum)>>2)] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return e.errno; - } - } - - function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { - try { - - - var stream = SYSCALLS.getStreamFromFD(fd); - var HIGH_OFFSET = 0x100000000; // 2^32 - // use an unsigned operator on low and shift high by 32-bits - var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0); - - var DOUBLE_LIMIT = 0x20000000000000; // 2^53 - // we also check for equality since DOUBLE_LIMIT + 1 == DOUBLE_LIMIT - if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) { - return -61; - } - - FS.llseek(stream, offset, whence); - (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); - if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return e.errno; - } - } - - function _fd_write(fd, iov, iovcnt, pnum) { - try { - - ; - var stream = SYSCALLS.getStreamFromFD(fd); - var num = SYSCALLS.doWritev(stream, iov, iovcnt); - HEAP32[((pnum)>>2)] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; - return e.errno; - } - } - - function __webgl_enable_ANGLE_instanced_arrays(ctx) { - // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2. - var ext = ctx.getExtension('ANGLE_instanced_arrays'); - if (ext) { - ctx['vertexAttribDivisor'] = function(index, divisor) { ext['vertexAttribDivisorANGLE'](index, divisor); }; - ctx['drawArraysInstanced'] = function(mode, first, count, primcount) { ext['drawArraysInstancedANGLE'](mode, first, count, primcount); }; - ctx['drawElementsInstanced'] = function(mode, count, type, indices, primcount) { ext['drawElementsInstancedANGLE'](mode, count, type, indices, primcount); }; - return 1; - } - } - - function __webgl_enable_OES_vertex_array_object(ctx) { - // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2. - var ext = ctx.getExtension('OES_vertex_array_object'); - if (ext) { - ctx['createVertexArray'] = function() { return ext['createVertexArrayOES'](); }; - ctx['deleteVertexArray'] = function(vao) { ext['deleteVertexArrayOES'](vao); }; - ctx['bindVertexArray'] = function(vao) { ext['bindVertexArrayOES'](vao); }; - ctx['isVertexArray'] = function(vao) { return ext['isVertexArrayOES'](vao); }; - return 1; - } - } - - function __webgl_enable_WEBGL_draw_buffers(ctx) { - // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2. - var ext = ctx.getExtension('WEBGL_draw_buffers'); - if (ext) { - ctx['drawBuffers'] = function(n, bufs) { ext['drawBuffersWEBGL'](n, bufs); }; - return 1; - } - } - - function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) { - // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted. - return !!(ctx.dibvbi = ctx.getExtension('WEBGL_draw_instanced_base_vertex_base_instance')); - } - - function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) { - // Closure is expected to be allowed to minify the '.mdibvbi' property, so not accessing it quoted. - return !!(ctx.mdibvbi = ctx.getExtension('WEBGL_multi_draw_instanced_base_vertex_base_instance')); - } - - function __webgl_enable_WEBGL_multi_draw(ctx) { - // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted. - return !!(ctx.multiDrawWebgl = ctx.getExtension('WEBGL_multi_draw')); - } - var GL = {counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],samplers:[],transformFeedbacks:[],syncs:[],stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode) { - if (!GL.lastError) { - GL.lastError = errorCode; - } - },getNewId:function(table) { - var ret = GL.counter++; - for (var i = table.length; i < ret; i++) { - table[i] = null; - } - return ret; - },getSource:function(shader, count, string, length) { - var source = ''; - for (var i = 0; i < count; ++i) { - var len = length ? HEAP32[(((length)+(i*4))>>2)] : -1; - source += UTF8ToString(HEAP32[(((string)+(i*4))>>2)], len < 0 ? undefined : len); - } - return source; - },createContext:function(/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) { - - // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL context on a canvas, - // calling .getContext() will always return that context independent of which 'webgl' or 'webgl2' - // context version was passed. See https://bugs.webkit.org/show_bug.cgi?id=222758 and - // https://github.com/emscripten-core/emscripten/issues/13295. - // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari version field in above check. - if (!canvas.getContextSafariWebGL2Fixed) { - canvas.getContextSafariWebGL2Fixed = canvas.getContext; - /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ - function fixedGetContext(ver, attrs) { - var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs); - return ((ver == 'webgl') == (gl instanceof WebGLRenderingContext)) ? gl : null; - } - canvas.getContext = fixedGetContext; - } - - var ctx = - (webGLContextAttributes.majorVersion > 1) - ? - canvas.getContext("webgl2", webGLContextAttributes) - : - (canvas.getContext("webgl", webGLContextAttributes) - // https://caniuse.com/#feat=webgl - ); - - if (!ctx) return 0; - - var handle = GL.registerContext(ctx, webGLContextAttributes); - - return handle; - },registerContext:function(ctx, webGLContextAttributes) { - // without pthreads a context is just an integer ID - var handle = GL.getNewId(GL.contexts); - - var context = { - handle: handle, - attributes: webGLContextAttributes, - version: webGLContextAttributes.majorVersion, - GLctx: ctx - }; - - // Store the created context object so that we can access the context given a canvas without having to pass the parameters again. - if (ctx.canvas) ctx.canvas.GLctxObject = context; - GL.contexts[handle] = context; - if (typeof webGLContextAttributes.enableExtensionsByDefault == 'undefined' || webGLContextAttributes.enableExtensionsByDefault) { - GL.initExtensions(context); - } - - return handle; - },makeContextCurrent:function(contextHandle) { - - GL.currentContext = GL.contexts[contextHandle]; // Active Emscripten GL layer context object. - Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx; // Active WebGL context object. - return !(contextHandle && !GLctx); - },getContext:function(contextHandle) { - return GL.contexts[contextHandle]; - },deleteContext:function(contextHandle) { - if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null; - if (typeof JSEvents == 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all JS event handlers on the DOM element that the GL context is associated with since the context is now deleted. - if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined; // Make sure the canvas object no longer refers to the context object so there are no GC surprises. - GL.contexts[contextHandle] = null; - },initExtensions:function(context) { - // If this function is called without a specific context object, init the extensions of the currently active context. - if (!context) context = GL.currentContext; - - if (context.initExtensionsDone) return; - context.initExtensionsDone = true; - - var GLctx = context.GLctx; - - // Detect the presence of a few extensions manually, this GL interop layer itself will need to know if they exist. - - // Extensions that are only available in WebGL 1 (the calls will be no-ops if called on a WebGL 2 context active) - __webgl_enable_ANGLE_instanced_arrays(GLctx); - __webgl_enable_OES_vertex_array_object(GLctx); - __webgl_enable_WEBGL_draw_buffers(GLctx); - // Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active) - __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx); - __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx); - - // On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative - // that's based on core APIs, and exposes only the queryCounterEXT() - // entrypoint. - if (context.version >= 2) { - GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2"); - } - - // However, Firefox exposes the WebGL 1 version on WebGL 2 as well and - // thus we look for the WebGL 1 version again if the WebGL 2 version - // isn't present. https://bugzilla.mozilla.org/show_bug.cgi?id=1328882 - if (context.version < 2 || !GLctx.disjointTimerQueryExt) - { - GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query"); - } - - __webgl_enable_WEBGL_multi_draw(GLctx); - - // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. - var exts = GLctx.getSupportedExtensions() || []; - exts.forEach(function(ext) { - // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders are not enabled by default. - if (!ext.includes('lose_context') && !ext.includes('debug')) { - // Call .getExtension() to enable that extension permanently. - GLctx.getExtension(ext); - } - }); - }}; - function _glAttachShader(program, shader) { - GLctx.attachShader(GL.programs[program], GL.shaders[shader]); - } - - function _glBindBuffer(target, buffer) { - - if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) { - // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2 API function call when a buffer is bound to - // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that binding point is non-null to know what is - // the proper API function to call. - GLctx.currentPixelPackBufferBinding = buffer; - } else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) { - // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to - // use a different WebGL 2 API function call when a buffer is bound to - // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that - // binding point is non-null to know what is the proper API function to - // call. - GLctx.currentPixelUnpackBufferBinding = buffer; - } - GLctx.bindBuffer(target, GL.buffers[buffer]); - } - - function _glBindBufferBase(target, index, buffer) { - GLctx['bindBufferBase'](target, index, GL.buffers[buffer]); - } - - function _glBindVertexArray(vao) { - GLctx['bindVertexArray'](GL.vaos[vao]); - } - - function _glBufferData(target, size, data, usage) { - - if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. - if (data) { - GLctx.bufferData(target, HEAPU8, usage, data, size); - } else { - GLctx.bufferData(target, size, usage); - } - } else { - // N.b. here first form specifies a heap subarray, second form an integer size, so the ?: code here is polymorphic. It is advised to avoid - // randomly mixing both uses in calling code, to avoid any potential JS engine JIT issues. - GLctx.bufferData(target, data ? HEAPU8.subarray(data, data+size) : size, usage); - } - } - - function _glBufferSubData(target, offset, size, data) { - if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. - GLctx.bufferSubData(target, offset, HEAPU8, data, size); - return; - } - GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size)); - } - - function _glClear(x0) { GLctx['clear'](x0) } - - function _glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) } - - function _glCompileShader(shader) { - GLctx.compileShader(GL.shaders[shader]); - } - - function _glCreateProgram() { - var id = GL.getNewId(GL.programs); - var program = GLctx.createProgram(); - // Store additional information needed for each shader program: - program.name = id; - // Lazy cache results of glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH) - program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0; - program.uniformIdCounter = 1; - GL.programs[id] = program; - return id; - } - - function _glCreateShader(shaderType) { - var id = GL.getNewId(GL.shaders); - GL.shaders[id] = GLctx.createShader(shaderType); - - return id; - } - - function _glCullFace(x0) { GLctx['cullFace'](x0) } - - function _glDeleteBuffers(n, buffers) { - for (var i = 0; i < n; i++) { - var id = HEAP32[(((buffers)+(i*4))>>2)]; - var buffer = GL.buffers[id]; - - // From spec: "glDeleteBuffers silently ignores 0's and names that do not - // correspond to existing buffer objects." - if (!buffer) continue; - - GLctx.deleteBuffer(buffer); - buffer.name = 0; - GL.buffers[id] = null; - - if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0; - if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0; - } - } - - function _glDeleteProgram(id) { - if (!id) return; - var program = GL.programs[id]; - if (!program) { // glDeleteProgram actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. - GL.recordError(0x501 /* GL_INVALID_VALUE */); - return; - } - GLctx.deleteProgram(program); - program.name = 0; - GL.programs[id] = null; - } - - function _glDeleteShader(id) { - if (!id) return; - var shader = GL.shaders[id]; - if (!shader) { // glDeleteShader actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. - GL.recordError(0x501 /* GL_INVALID_VALUE */); - return; - } - GLctx.deleteShader(shader); - GL.shaders[id] = null; - } - - function _glDeleteVertexArrays(n, vaos) { - for (var i = 0; i < n; i++) { - var id = HEAP32[(((vaos)+(i*4))>>2)]; - GLctx['deleteVertexArray'](GL.vaos[id]); - GL.vaos[id] = null; - } - } - - function _glDetachShader(program, shader) { - GLctx.detachShader(GL.programs[program], GL.shaders[shader]); - } - - function _glDisableVertexAttribArray(index) { - GLctx.disableVertexAttribArray(index); - } - - function _glDrawElements(mode, count, type, indices) { - - GLctx.drawElements(mode, count, type, indices); - - } - - function _glEnable(x0) { GLctx['enable'](x0) } - - function _glEnableVertexAttribArray(index) { - GLctx.enableVertexAttribArray(index); - } - - function __glGenObject(n, buffers, createFunction, objectTable - ) { - for (var i = 0; i < n; i++) { - var buffer = GLctx[createFunction](); - var id = buffer && GL.getNewId(objectTable); - if (buffer) { - buffer.name = id; - objectTable[id] = buffer; - } else { - GL.recordError(0x502 /* GL_INVALID_OPERATION */); - } - HEAP32[(((buffers)+(i*4))>>2)] = id; - } - } - function _glGenBuffers(n, buffers) { - __glGenObject(n, buffers, 'createBuffer', GL.buffers - ); - } - - function _glGenVertexArrays(n, arrays) { - __glGenObject(n, arrays, 'createVertexArray', GL.vaos - ); - } - - function _glGetProgramInfoLog(program, maxLength, length, infoLog) { - var log = GLctx.getProgramInfoLog(GL.programs[program]); - if (log === null) log = '(unknown error)'; - var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; - if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; - } - - function _glGetProgramiv(program, pname, p) { - if (!p) { - // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense - // if p == null, issue a GL error to notify user about it. - GL.recordError(0x501 /* GL_INVALID_VALUE */); - return; - } - - if (program >= GL.counter) { - GL.recordError(0x501 /* GL_INVALID_VALUE */); - return; - } - - program = GL.programs[program]; - - if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH - var log = GLctx.getProgramInfoLog(program); - if (log === null) log = '(unknown error)'; - HEAP32[((p)>>2)] = log.length + 1; - } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) { - if (!program.maxUniformLength) { - for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) { - program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length+1); - } - } - HEAP32[((p)>>2)] = program.maxUniformLength; - } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) { - if (!program.maxAttributeLength) { - for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); ++i) { - program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length+1); - } - } - HEAP32[((p)>>2)] = program.maxAttributeLength; - } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) { - if (!program.maxUniformBlockNameLength) { - for (var i = 0; i < GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); ++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); - } - } - - function _glGetShaderInfoLog(shader, maxLength, length, infoLog) { - var log = GLctx.getShaderInfoLog(GL.shaders[shader]); - if (log === null) log = '(unknown error)'; - var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; - if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; - } - - function _glGetShaderiv(shader, pname, p) { - if (!p) { - // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense - // if p == null, issue a GL error to notify user about it. - GL.recordError(0x501 /* GL_INVALID_VALUE */); - return; - } - if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH - var log = GLctx.getShaderInfoLog(GL.shaders[shader]); - if (log === null) log = '(unknown error)'; - // The GLES2 specification says that if the shader has an empty info log, - // a value of 0 is returned. Otherwise the log has a null char appended. - // (An empty string is falsey, so we can just check that instead of - // looking at log.length.) - var logLength = log ? log.length + 1 : 0; - HEAP32[((p)>>2)] = logLength; - } else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH - var source = GLctx.getShaderSource(GL.shaders[shader]); - // source may be a null, or the empty string, both of which are falsey - // values that we report a 0 length for. - var sourceLength = source ? source.length + 1 : 0; - HEAP32[((p)>>2)] = sourceLength; - } else { - HEAP32[((p)>>2)] = GLctx.getShaderParameter(GL.shaders[shader], pname); - } - } - - function _glGetUniformBlockIndex(program, uniformBlockName) { - return GLctx['getUniformBlockIndex'](GL.programs[program], UTF8ToString(uniformBlockName)); - } - - function _glLinkProgram(program) { - program = GL.programs[program]; - GLctx.linkProgram(program); - // Invalidate earlier computed uniform->ID mappings, those have now become stale - program.uniformLocsById = 0; // Mark as null-like so that glGetUniformLocation() knows to populate this again. - program.uniformSizeAndIdsByName = {}; - - } - - function _glShaderSource(shader, count, string, length) { - var source = GL.getSource(shader, count, string, length); - - GLctx.shaderSource(GL.shaders[shader], source); - } - - function _glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) { - program = GL.programs[program]; - - GLctx['uniformBlockBinding'](program, uniformBlockIndex, uniformBlockBinding); - } - - function _glUseProgram(program) { - program = GL.programs[program]; - GLctx.useProgram(program); - // Record the currently active program so that we can access the uniform - // mapping table of that program. - GLctx.currentProgram = program; - } - - function _glValidateProgram(program) { - GLctx.validateProgram(GL.programs[program]); - } - - function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) { - GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr); - } - - function _glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) } - - /** @constructor */ - function GLFW_Window(id, width, height, title, monitor, share) { - this.id = id; - this.x = 0; - this.y = 0; - this.fullscreen = false; // Used to determine if app in fullscreen mode - this.storedX = 0; // Used to store X before fullscreen - this.storedY = 0; // Used to store Y before fullscreen - this.width = width; - this.height = height; - this.storedWidth = width; // Used to store width before fullscreen - this.storedHeight = height; // Used to store height before fullscreen - this.title = title; - this.monitor = monitor; - this.share = share; - this.attributes = GLFW.hints; - this.inputModes = { - 0x00033001:0x00034001, // GLFW_CURSOR (GLFW_CURSOR_NORMAL) - 0x00033002:0, // GLFW_STICKY_KEYS - 0x00033003:0, // GLFW_STICKY_MOUSE_BUTTONS - }; - this.buttons = 0; - this.keys = new Array(); - this.domKeys = new Array(); - this.shouldClose = 0; - this.title = null; - this.windowPosFunc = null; // GLFWwindowposfun - this.windowSizeFunc = null; // GLFWwindowsizefun - this.windowCloseFunc = null; // GLFWwindowclosefun - this.windowRefreshFunc = null; // GLFWwindowrefreshfun - this.windowFocusFunc = null; // GLFWwindowfocusfun - this.windowIconifyFunc = null; // GLFWwindowiconifyfun - this.framebufferSizeFunc = null; // GLFWframebuffersizefun - this.mouseButtonFunc = null; // GLFWmousebuttonfun - this.cursorPosFunc = null; // GLFWcursorposfun - this.cursorEnterFunc = null; // GLFWcursorenterfun - this.scrollFunc = null; // GLFWscrollfun - this.dropFunc = null; // GLFWdropfun - this.keyFunc = null; // GLFWkeyfun - this.charFunc = null; // GLFWcharfun - this.userptr = null; - } - var GLFW = {WindowFromId:function(id) { - if (id <= 0 || !GLFW.windows) return null; - return GLFW.windows[id - 1]; - },joystickFunc:null,errorFunc:null,monitorFunc:null,active:null,windows:null,monitors:null,monitorString:null,versionString:null,initialTime:null,extensions:null,hints:null,defaultHints:{131073:0,131074:0,131075:1,131076:1,131077:1,135169:8,135170:8,135171:8,135172:8,135173:24,135174:8,135175:0,135176:0,135177:0,135178:0,135179:0,135180:0,135181:0,135182:0,135183:0,139265:196609,139266:1,139267:0,139268:0,139269:0,139270:0,139271:0,139272:0},DOMToGLFWKeyCode:function(keycode) { - switch (keycode) { - // these keycodes are only defined for GLFW3, assume they are the same for GLFW2 - case 0x20:return 32; // DOM_VK_SPACE -> GLFW_KEY_SPACE - case 0xDE:return 39; // DOM_VK_QUOTE -> GLFW_KEY_APOSTROPHE - case 0xBC:return 44; // DOM_VK_COMMA -> GLFW_KEY_COMMA - case 0xAD:return 45; // DOM_VK_HYPHEN_MINUS -> GLFW_KEY_MINUS - case 0xBD:return 45; // DOM_VK_MINUS -> GLFW_KEY_MINUS - case 0xBE:return 46; // DOM_VK_PERIOD -> GLFW_KEY_PERIOD - case 0xBF:return 47; // DOM_VK_SLASH -> GLFW_KEY_SLASH - case 0x30:return 48; // DOM_VK_0 -> GLFW_KEY_0 - case 0x31:return 49; // DOM_VK_1 -> GLFW_KEY_1 - case 0x32:return 50; // DOM_VK_2 -> GLFW_KEY_2 - case 0x33:return 51; // DOM_VK_3 -> GLFW_KEY_3 - case 0x34:return 52; // DOM_VK_4 -> GLFW_KEY_4 - case 0x35:return 53; // DOM_VK_5 -> GLFW_KEY_5 - case 0x36:return 54; // DOM_VK_6 -> GLFW_KEY_6 - case 0x37:return 55; // DOM_VK_7 -> GLFW_KEY_7 - case 0x38:return 56; // DOM_VK_8 -> GLFW_KEY_8 - case 0x39:return 57; // DOM_VK_9 -> GLFW_KEY_9 - case 0x3B:return 59; // DOM_VK_SEMICOLON -> GLFW_KEY_SEMICOLON - case 0x3D:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL - case 0xBB:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL - case 0x41:return 65; // DOM_VK_A -> GLFW_KEY_A - case 0x42:return 66; // DOM_VK_B -> GLFW_KEY_B - case 0x43:return 67; // DOM_VK_C -> GLFW_KEY_C - case 0x44:return 68; // DOM_VK_D -> GLFW_KEY_D - case 0x45:return 69; // DOM_VK_E -> GLFW_KEY_E - case 0x46:return 70; // DOM_VK_F -> GLFW_KEY_F - case 0x47:return 71; // DOM_VK_G -> GLFW_KEY_G - case 0x48:return 72; // DOM_VK_H -> GLFW_KEY_H - case 0x49:return 73; // DOM_VK_I -> GLFW_KEY_I - case 0x4A:return 74; // DOM_VK_J -> GLFW_KEY_J - case 0x4B:return 75; // DOM_VK_K -> GLFW_KEY_K - case 0x4C:return 76; // DOM_VK_L -> GLFW_KEY_L - case 0x4D:return 77; // DOM_VK_M -> GLFW_KEY_M - case 0x4E:return 78; // DOM_VK_N -> GLFW_KEY_N - case 0x4F:return 79; // DOM_VK_O -> GLFW_KEY_O - case 0x50:return 80; // DOM_VK_P -> GLFW_KEY_P - case 0x51:return 81; // DOM_VK_Q -> GLFW_KEY_Q - case 0x52:return 82; // DOM_VK_R -> GLFW_KEY_R - case 0x53:return 83; // DOM_VK_S -> GLFW_KEY_S - case 0x54:return 84; // DOM_VK_T -> GLFW_KEY_T - case 0x55:return 85; // DOM_VK_U -> GLFW_KEY_U - case 0x56:return 86; // DOM_VK_V -> GLFW_KEY_V - case 0x57:return 87; // DOM_VK_W -> GLFW_KEY_W - case 0x58:return 88; // DOM_VK_X -> GLFW_KEY_X - case 0x59:return 89; // DOM_VK_Y -> GLFW_KEY_Y - case 0x5a:return 90; // DOM_VK_Z -> GLFW_KEY_Z - case 0xDB:return 91; // DOM_VK_OPEN_BRACKET -> GLFW_KEY_LEFT_BRACKET - case 0xDC:return 92; // DOM_VK_BACKSLASH -> GLFW_KEY_BACKSLASH - case 0xDD:return 93; // DOM_VK_CLOSE_BRACKET -> GLFW_KEY_RIGHT_BRACKET - case 0xC0:return 96; // DOM_VK_BACK_QUOTE -> GLFW_KEY_GRAVE_ACCENT - - case 0x1B:return 256; // DOM_VK_ESCAPE -> GLFW_KEY_ESCAPE - case 0x0D:return 257; // DOM_VK_RETURN -> GLFW_KEY_ENTER - case 0x09:return 258; // DOM_VK_TAB -> GLFW_KEY_TAB - case 0x08:return 259; // DOM_VK_BACK -> GLFW_KEY_BACKSPACE - case 0x2D:return 260; // DOM_VK_INSERT -> GLFW_KEY_INSERT - case 0x2E:return 261; // DOM_VK_DELETE -> GLFW_KEY_DELETE - case 0x27:return 262; // DOM_VK_RIGHT -> GLFW_KEY_RIGHT - case 0x25:return 263; // DOM_VK_LEFT -> GLFW_KEY_LEFT - case 0x28:return 264; // DOM_VK_DOWN -> GLFW_KEY_DOWN - case 0x26:return 265; // DOM_VK_UP -> GLFW_KEY_UP - case 0x21:return 266; // DOM_VK_PAGE_UP -> GLFW_KEY_PAGE_UP - case 0x22:return 267; // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGE_DOWN - case 0x24:return 268; // DOM_VK_HOME -> GLFW_KEY_HOME - case 0x23:return 269; // DOM_VK_END -> GLFW_KEY_END - case 0x14:return 280; // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK - case 0x91:return 281; // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK - case 0x90:return 282; // DOM_VK_NUM_LOCK -> GLFW_KEY_NUM_LOCK - case 0x2C:return 283; // DOM_VK_SNAPSHOT -> GLFW_KEY_PRINT_SCREEN - case 0x13:return 284; // DOM_VK_PAUSE -> GLFW_KEY_PAUSE - case 0x70:return 290; // DOM_VK_F1 -> GLFW_KEY_F1 - case 0x71:return 291; // DOM_VK_F2 -> GLFW_KEY_F2 - case 0x72:return 292; // DOM_VK_F3 -> GLFW_KEY_F3 - case 0x73:return 293; // DOM_VK_F4 -> GLFW_KEY_F4 - case 0x74:return 294; // DOM_VK_F5 -> GLFW_KEY_F5 - case 0x75:return 295; // DOM_VK_F6 -> GLFW_KEY_F6 - case 0x76:return 296; // DOM_VK_F7 -> GLFW_KEY_F7 - case 0x77:return 297; // DOM_VK_F8 -> GLFW_KEY_F8 - case 0x78:return 298; // DOM_VK_F9 -> GLFW_KEY_F9 - case 0x79:return 299; // DOM_VK_F10 -> GLFW_KEY_F10 - case 0x7A:return 300; // DOM_VK_F11 -> GLFW_KEY_F11 - case 0x7B:return 301; // DOM_VK_F12 -> GLFW_KEY_F12 - case 0x7C:return 302; // DOM_VK_F13 -> GLFW_KEY_F13 - case 0x7D:return 303; // DOM_VK_F14 -> GLFW_KEY_F14 - case 0x7E:return 304; // DOM_VK_F15 -> GLFW_KEY_F15 - case 0x7F:return 305; // DOM_VK_F16 -> GLFW_KEY_F16 - case 0x80:return 306; // DOM_VK_F17 -> GLFW_KEY_F17 - case 0x81:return 307; // DOM_VK_F18 -> GLFW_KEY_F18 - case 0x82:return 308; // DOM_VK_F19 -> GLFW_KEY_F19 - case 0x83:return 309; // DOM_VK_F20 -> GLFW_KEY_F20 - case 0x84:return 310; // DOM_VK_F21 -> GLFW_KEY_F21 - case 0x85:return 311; // DOM_VK_F22 -> GLFW_KEY_F22 - case 0x86:return 312; // DOM_VK_F23 -> GLFW_KEY_F23 - case 0x87:return 313; // DOM_VK_F24 -> GLFW_KEY_F24 - case 0x88:return 314; // 0x88 (not used?) -> GLFW_KEY_F25 - case 0x60:return 320; // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0 - case 0x61:return 321; // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1 - case 0x62:return 322; // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2 - case 0x63:return 323; // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3 - case 0x64:return 324; // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4 - case 0x65:return 325; // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5 - case 0x66:return 326; // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6 - case 0x67:return 327; // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7 - case 0x68:return 328; // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8 - case 0x69:return 329; // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9 - case 0x6E:return 330; // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL - case 0x6F:return 331; // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE - case 0x6A:return 332; // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY - case 0x6D:return 333; // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT - case 0x6B:return 334; // DOM_VK_ADD -> GLFW_KEY_KP_ADD - // case 0x0D:return 335; // DOM_VK_RETURN -> GLFW_KEY_KP_ENTER (DOM_KEY_LOCATION_RIGHT) - // case 0x61:return 336; // DOM_VK_EQUALS -> GLFW_KEY_KP_EQUAL (DOM_KEY_LOCATION_RIGHT) - case 0x10:return 340; // DOM_VK_SHIFT -> GLFW_KEY_LEFT_SHIFT - case 0x11:return 341; // DOM_VK_CONTROL -> GLFW_KEY_LEFT_CONTROL - case 0x12:return 342; // DOM_VK_ALT -> GLFW_KEY_LEFT_ALT - case 0x5B:return 343; // DOM_VK_WIN -> GLFW_KEY_LEFT_SUPER - // case 0x10:return 344; // DOM_VK_SHIFT -> GLFW_KEY_RIGHT_SHIFT (DOM_KEY_LOCATION_RIGHT) - // case 0x11:return 345; // DOM_VK_CONTROL -> GLFW_KEY_RIGHT_CONTROL (DOM_KEY_LOCATION_RIGHT) - // case 0x12:return 346; // DOM_VK_ALT -> GLFW_KEY_RIGHT_ALT (DOM_KEY_LOCATION_RIGHT) - // case 0x5B:return 347; // DOM_VK_WIN -> GLFW_KEY_RIGHT_SUPER (DOM_KEY_LOCATION_RIGHT) - case 0x5D:return 348; // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU - // XXX: GLFW_KEY_WORLD_1, GLFW_KEY_WORLD_2 what are these? - default:return -1; // GLFW_KEY_UNKNOWN - }; - },getModBits:function(win) { - var mod = 0; - if (win.keys[340]) mod |= 0x0001; // GLFW_MOD_SHIFT - if (win.keys[341]) mod |= 0x0002; // GLFW_MOD_CONTROL - if (win.keys[342]) mod |= 0x0004; // GLFW_MOD_ALT - if (win.keys[343]) mod |= 0x0008; // GLFW_MOD_SUPER - return mod; - },onKeyPress:function(event) { - if (!GLFW.active || !GLFW.active.charFunc) return; - if (event.ctrlKey || event.metaKey) return; - - // correct unicode charCode is only available with onKeyPress event - var charCode = event.charCode; - if (charCode == 0 || (charCode >= 0x00 && charCode <= 0x1F)) return; - - getWasmTableEntry(GLFW.active.charFunc)(GLFW.active.id, charCode); - },onKeyChanged:function(keyCode, status) { - if (!GLFW.active) return; - - var key = GLFW.DOMToGLFWKeyCode(keyCode); - if (key == -1) return; - - var repeat = status && GLFW.active.keys[key]; - GLFW.active.keys[key] = status; - GLFW.active.domKeys[keyCode] = status; - if (!GLFW.active.keyFunc) return; - - if (repeat) status = 2; // GLFW_REPEAT - getWasmTableEntry(GLFW.active.keyFunc)(GLFW.active.id, key, keyCode, status, GLFW.getModBits(GLFW.active)); - },onGamepadConnected:function(event) { - GLFW.refreshJoysticks(); - },onGamepadDisconnected:function(event) { - GLFW.refreshJoysticks(); - },onKeydown:function(event) { - GLFW.onKeyChanged(event.keyCode, 1); // GLFW_PRESS or GLFW_REPEAT - - // This logic comes directly from the sdl implementation. We cannot - // call preventDefault on all keydown events otherwise onKeyPress will - // not get called - if (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */) { - event.preventDefault(); - } - },onKeyup:function(event) { - GLFW.onKeyChanged(event.keyCode, 0); // GLFW_RELEASE - },onBlur:function(event) { - if (!GLFW.active) return; - - for (var i = 0; i < GLFW.active.domKeys.length; ++i) { - if (GLFW.active.domKeys[i]) { - GLFW.onKeyChanged(i, 0); // GLFW_RELEASE - } - } - },onMousemove:function(event) { - if (!GLFW.active) return; - - Browser.calculateMouseEvent(event); - - if (event.target != Module["canvas"] || !GLFW.active.cursorPosFunc) return; - - getWasmTableEntry(GLFW.active.cursorPosFunc)(GLFW.active.id, Browser.mouseX, Browser.mouseY); - },DOMToGLFWMouseButton:function(event) { - // DOM and glfw have different button codes. - // See http://www.w3schools.com/jsref/event_button.asp. - var eventButton = event['button']; - if (eventButton > 0) { - if (eventButton == 1) { - eventButton = 2; - } else { - eventButton = 1; - } - } - return eventButton; - },onMouseenter:function(event) { - if (!GLFW.active) return; - - if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return; - - getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 1); - },onMouseleave:function(event) { - if (!GLFW.active) return; - - if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return; - - getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 0); - },onMouseButtonChanged:function(event, status) { - if (!GLFW.active) return; - - Browser.calculateMouseEvent(event); - - if (event.target != Module["canvas"]) return; - - var eventButton = GLFW.DOMToGLFWMouseButton(event); - - if (status == 1) { // GLFW_PRESS - GLFW.active.buttons |= (1 << eventButton); - try { - event.target.setCapture(); - } catch (e) {} - } else { // GLFW_RELEASE - GLFW.active.buttons &= ~(1 << eventButton); - } - - if (!GLFW.active.mouseButtonFunc) return; - - getWasmTableEntry(GLFW.active.mouseButtonFunc)(GLFW.active.id, eventButton, status, GLFW.getModBits(GLFW.active)); - },onMouseButtonDown:function(event) { - if (!GLFW.active) return; - GLFW.onMouseButtonChanged(event, 1); // GLFW_PRESS - },onMouseButtonUp:function(event) { - if (!GLFW.active) return; - GLFW.onMouseButtonChanged(event, 0); // GLFW_RELEASE - },onMouseWheel:function(event) { - // Note the minus sign that flips browser wheel direction (positive direction scrolls page down) to native wheel direction (positive direction is mouse wheel up) - var delta = -Browser.getMouseWheelDelta(event); - delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1. - GLFW.wheelPos += delta; - - if (!GLFW.active || !GLFW.active.scrollFunc || event.target != Module['canvas']) return; - - var sx = 0; - var sy = 0; - if (event.type == 'mousewheel') { - sx = event.wheelDeltaX; - sy = event.wheelDeltaY; - } else { - sx = event.deltaX; - sy = event.deltaY; - } - - getWasmTableEntry(GLFW.active.scrollFunc)(GLFW.active.id, sx, sy); - - event.preventDefault(); - },onCanvasResize:function(width, height) { - if (!GLFW.active) return; - - var resizeNeeded = true; - - // If the client is requesting fullscreen mode - if (document["fullscreen"] || document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) { - GLFW.active.storedX = GLFW.active.x; - GLFW.active.storedY = GLFW.active.y; - GLFW.active.storedWidth = GLFW.active.width; - GLFW.active.storedHeight = GLFW.active.height; - GLFW.active.x = GLFW.active.y = 0; - GLFW.active.width = screen.width; - GLFW.active.height = screen.height; - GLFW.active.fullscreen = true; - - // If the client is reverting from fullscreen mode - } else if (GLFW.active.fullscreen == true) { - GLFW.active.x = GLFW.active.storedX; - GLFW.active.y = GLFW.active.storedY; - GLFW.active.width = GLFW.active.storedWidth; - GLFW.active.height = GLFW.active.storedHeight; - GLFW.active.fullscreen = false; - - // If the width/height values do not match current active window sizes - } else if (GLFW.active.width != width || GLFW.active.height != height) { - GLFW.active.width = width; - GLFW.active.height = height; - } else { - resizeNeeded = false; - } - - // If any of the above conditions were true, we need to resize the canvas - if (resizeNeeded) { - // resets the canvas size to counter the aspect preservation of Browser.updateCanvasDimensions - Browser.setCanvasSize(GLFW.active.width, GLFW.active.height, true); - // TODO: Client dimensions (clientWidth/clientHeight) vs pixel dimensions (width/height) of - // the canvas should drive window and framebuffer size respectfully. - GLFW.onWindowSizeChanged(); - GLFW.onFramebufferSizeChanged(); - } - },onWindowSizeChanged:function() { - if (!GLFW.active) return; - - if (!GLFW.active.windowSizeFunc) return; - - callUserCallback(function() { - - getWasmTableEntry(GLFW.active.windowSizeFunc)(GLFW.active.id, GLFW.active.width, GLFW.active.height); - }); - },onFramebufferSizeChanged:function() { - if (!GLFW.active) return; - - if (!GLFW.active.framebufferSizeFunc) return; - - callUserCallback(function() { - getWasmTableEntry(GLFW.active.framebufferSizeFunc)(GLFW.active.id, GLFW.active.width, GLFW.active.height); - }); - },getTime:function() { - return _emscripten_get_now() / 1000; - },setWindowTitle:function(winid, title) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - - win.title = UTF8ToString(title); - if (GLFW.active.id == win.id) { - document.title = win.title; - } - },setJoystickCallback:function(cbfun) { - GLFW.joystickFunc = cbfun; - GLFW.refreshJoysticks(); - },joys:{},lastGamepadState:[],lastGamepadStateFrame:null,refreshJoysticks:function() { - // Produce a new Gamepad API sample if we are ticking a new game frame, or if not using emscripten_set_main_loop() at all to drive animation. - if (Browser.mainLoop.currentFrameNumber !== GLFW.lastGamepadStateFrame || !Browser.mainLoop.currentFrameNumber) { - GLFW.lastGamepadState = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads : []); - GLFW.lastGamepadStateFrame = Browser.mainLoop.currentFrameNumber; - - for (var joy = 0; joy < GLFW.lastGamepadState.length; ++joy) { - var gamepad = GLFW.lastGamepadState[joy]; - - if (gamepad) { - if (!GLFW.joys[joy]) { - out('glfw joystick connected:',joy); - GLFW.joys[joy] = { - id: allocateUTF8(gamepad.id), - buttonsCount: gamepad.buttons.length, - axesCount: gamepad.axes.length, - buttons: _malloc(gamepad.buttons.length), - axes: _malloc(gamepad.axes.length*4), - }; - - if (GLFW.joystickFunc) { - getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040001); // GLFW_CONNECTED - } - } - - var data = GLFW.joys[joy]; - - for (var i = 0; i < gamepad.buttons.length; ++i) { - setValue(data.buttons + i, gamepad.buttons[i].pressed, 'i8'); - } - - for (var i = 0; i < gamepad.axes.length; ++i) { - setValue(data.axes + i*4, gamepad.axes[i], 'float'); - } - } else { - if (GLFW.joys[joy]) { - out('glfw joystick disconnected',joy); - - if (GLFW.joystickFunc) { - getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040002); // GLFW_DISCONNECTED - } - - _free(GLFW.joys[joy].id); - _free(GLFW.joys[joy].buttons); - _free(GLFW.joys[joy].axes); - - delete GLFW.joys[joy]; - } - } - } - } - },setKeyCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.keyFunc; - win.keyFunc = cbfun; - return prevcbfun; - },setCharCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.charFunc; - win.charFunc = cbfun; - return prevcbfun; - },setMouseButtonCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.mouseButtonFunc; - win.mouseButtonFunc = cbfun; - return prevcbfun; - },setCursorPosCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.cursorPosFunc; - win.cursorPosFunc = cbfun; - return prevcbfun; - },setScrollCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.scrollFunc; - win.scrollFunc = cbfun; - return prevcbfun; - },setDropCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.dropFunc; - win.dropFunc = cbfun; - return prevcbfun; - },onDrop:function(event) { - if (!GLFW.active || !GLFW.active.dropFunc) return; - if (!event.dataTransfer || !event.dataTransfer.files || event.dataTransfer.files.length == 0) return; - - event.preventDefault(); - - var filenames = _malloc(event.dataTransfer.files.length*4); - var filenamesArray = []; - var count = event.dataTransfer.files.length; - - // Read and save the files to emscripten's FS - var written = 0; - var drop_dir = '.glfw_dropped_files'; - FS.createPath('/', drop_dir); - - function save(file) { - var path = '/' + drop_dir + '/' + file.name.replace(/\//g, '_'); - var reader = new FileReader(); - reader.onloadend = (e) => { - if (reader.readyState != 2) { // not DONE - ++written; - out('failed to read dropped file: '+file.name+': '+reader.error); - return; - } - - var data = e.target.result; - FS.writeFile(path, new Uint8Array(data)); - if (++written === count) { - getWasmTableEntry(GLFW.active.dropFunc)(GLFW.active.id, count, filenames); - - for (var i = 0; i < filenamesArray.length; ++i) { - _free(filenamesArray[i]); - } - _free(filenames); - } - }; - reader.readAsArrayBuffer(file); - - var filename = allocateUTF8(path); - filenamesArray.push(filename); - setValue(filenames + i*4, filename, 'i8*'); - } - - for (var i = 0; i < count; ++i) { - save(event.dataTransfer.files[i]); - } - - return false; - },onDragover:function(event) { - if (!GLFW.active || !GLFW.active.dropFunc) return; - - event.preventDefault(); - return false; - },setWindowSizeCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.windowSizeFunc; - win.windowSizeFunc = cbfun; - - return prevcbfun; - },setWindowCloseCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.windowCloseFunc; - win.windowCloseFunc = cbfun; - return prevcbfun; - },setWindowRefreshCallback:function(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.windowRefreshFunc; - win.windowRefreshFunc = cbfun; - return prevcbfun; - },onClickRequestPointerLock:function(e) { - if (!Browser.pointerLock && Module['canvas'].requestPointerLock) { - Module['canvas'].requestPointerLock(); - e.preventDefault(); - } - },setInputMode:function(winid, mode, value) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - - switch (mode) { - case 0x00033001: { // GLFW_CURSOR - switch (value) { - case 0x00034001: { // GLFW_CURSOR_NORMAL - win.inputModes[mode] = value; - Module['canvas'].removeEventListener('click', GLFW.onClickRequestPointerLock, true); - Module['canvas'].exitPointerLock(); - break; - } - case 0x00034002: { // GLFW_CURSOR_HIDDEN - out("glfwSetInputMode called with GLFW_CURSOR_HIDDEN value not implemented."); - break; - } - case 0x00034003: { // GLFW_CURSOR_DISABLED - win.inputModes[mode] = value; - Module['canvas'].addEventListener('click', GLFW.onClickRequestPointerLock, true); - Module['canvas'].requestPointerLock(); - break; - } - default: { - out("glfwSetInputMode called with unknown value parameter value: " + value + "."); - break; - } - } - break; - } - case 0x00033002: { // GLFW_STICKY_KEYS - out("glfwSetInputMode called with GLFW_STICKY_KEYS mode not implemented."); - break; - } - case 0x00033003: { // GLFW_STICKY_MOUSE_BUTTONS - out("glfwSetInputMode called with GLFW_STICKY_MOUSE_BUTTONS mode not implemented."); - break; - } - default: { - out("glfwSetInputMode called with unknown mode parameter value: " + mode + "."); - break; - } - } - },getKey:function(winid, key) { - var win = GLFW.WindowFromId(winid); - if (!win) return 0; - return win.keys[key]; - },getMouseButton:function(winid, button) { - var win = GLFW.WindowFromId(winid); - if (!win) return 0; - return (win.buttons & (1 << button)) > 0; - },getCursorPos:function(winid, x, y) { - setValue(x, Browser.mouseX, 'double'); - setValue(y, Browser.mouseY, 'double'); - },getMousePos:function(winid, x, y) { - setValue(x, Browser.mouseX, 'i32'); - setValue(y, Browser.mouseY, 'i32'); - },setCursorPos:function(winid, x, y) { - },getWindowPos:function(winid, x, y) { - var wx = 0; - var wy = 0; - - var win = GLFW.WindowFromId(winid); - if (win) { - wx = win.x; - wy = win.y; - } - - if (x) { - setValue(x, wx, 'i32'); - } - - if (y) { - setValue(y, wy, 'i32'); - } - },setWindowPos:function(winid, x, y) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - win.x = x; - win.y = y; - },getWindowSize:function(winid, width, height) { - var ww = 0; - var wh = 0; - - var win = GLFW.WindowFromId(winid); - if (win) { - ww = win.width; - wh = win.height; - } - - if (width) { - setValue(width, ww, 'i32'); - } - - if (height) { - setValue(height, wh, 'i32'); - } - },setWindowSize:function(winid, width, height) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - - if (GLFW.active.id == win.id) { - if (width == screen.width && height == screen.height) { - Browser.requestFullscreen(); - } else { - Browser.exitFullscreen(); - Browser.setCanvasSize(width, height); - win.width = width; - win.height = height; - } - } - - if (!win.windowSizeFunc) return; - - getWasmTableEntry(win.windowSizeFunc)(win.id, width, height); - },createWindow:function(width, height, title, monitor, share) { - var i, id; - for (i = 0; i < GLFW.windows.length && GLFW.windows[i] !== null; i++) { - // no-op - } - if (i > 0) throw "glfwCreateWindow only supports one window at time currently"; - - // id for window - id = i + 1; - - // not valid - if (width <= 0 || height <= 0) return 0; - - if (monitor) { - Browser.requestFullscreen(); - } else { - Browser.setCanvasSize(width, height); - } - - // Create context when there are no existing alive windows - for (i = 0; i < GLFW.windows.length && GLFW.windows[i] == null; i++) { - // no-op - } - var useWebGL = GLFW.hints[0x00022001] > 0; // Use WebGL when we are told to based on GLFW_CLIENT_API - if (i == GLFW.windows.length) { - if (useWebGL) { - var contextAttributes = { - antialias: (GLFW.hints[0x0002100D] > 1), // GLFW_SAMPLES - depth: (GLFW.hints[0x00021005] > 0), // GLFW_DEPTH_BITS - stencil: (GLFW.hints[0x00021006] > 0), // GLFW_STENCIL_BITS - alpha: (GLFW.hints[0x00021004] > 0) // GLFW_ALPHA_BITS - } - Module.ctx = Browser.createContext(Module['canvas'], true, true, contextAttributes); - } else { - Browser.init(); - } - } - - // If context creation failed, do not return a valid window - if (!Module.ctx && useWebGL) return 0; - - // Get non alive id - var win = new GLFW_Window(id, width, height, title, monitor, share); - - // Set window to array - if (id - 1 == GLFW.windows.length) { - GLFW.windows.push(win); - } else { - GLFW.windows[id - 1] = win; - } - - GLFW.active = win; - return win.id; - },destroyWindow:function(winid) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - - if (win.windowCloseFunc) - getWasmTableEntry(win.windowCloseFunc)(win.id); - - GLFW.windows[win.id - 1] = null; - if (GLFW.active.id == win.id) - GLFW.active = null; - - // Destroy context when no alive windows - for (var i = 0; i < GLFW.windows.length; i++) - if (GLFW.windows[i] !== null) return; - - Module.ctx = Browser.destroyContext(Module['canvas'], true, true); - },swapBuffers:function(winid) { - },GLFW2ParamToGLFW3Param:function(param) { - var table = { - 0x00030001:0, // GLFW_MOUSE_CURSOR - 0x00030002:0, // GLFW_STICKY_KEYS - 0x00030003:0, // GLFW_STICKY_MOUSE_BUTTONS - 0x00030004:0, // GLFW_SYSTEM_KEYS - 0x00030005:0, // GLFW_KEY_REPEAT - 0x00030006:0, // GLFW_AUTO_POLL_EVENTS - 0x00020001:0, // GLFW_OPENED - 0x00020002:0, // GLFW_ACTIVE - 0x00020003:0, // GLFW_ICONIFIED - 0x00020004:0, // GLFW_ACCELERATED - 0x00020005:0x00021001, // GLFW_RED_BITS - 0x00020006:0x00021002, // GLFW_GREEN_BITS - 0x00020007:0x00021003, // GLFW_BLUE_BITS - 0x00020008:0x00021004, // GLFW_ALPHA_BITS - 0x00020009:0x00021005, // GLFW_DEPTH_BITS - 0x0002000A:0x00021006, // GLFW_STENCIL_BITS - 0x0002000B:0x0002100F, // GLFW_REFRESH_RATE - 0x0002000C:0x00021007, // GLFW_ACCUM_RED_BITS - 0x0002000D:0x00021008, // GLFW_ACCUM_GREEN_BITS - 0x0002000E:0x00021009, // GLFW_ACCUM_BLUE_BITS - 0x0002000F:0x0002100A, // GLFW_ACCUM_ALPHA_BITS - 0x00020010:0x0002100B, // GLFW_AUX_BUFFERS - 0x00020011:0x0002100C, // GLFW_STEREO - 0x00020012:0, // GLFW_WINDOW_NO_RESIZE - 0x00020013:0x0002100D, // GLFW_FSAA_SAMPLES - 0x00020014:0x00022002, // GLFW_OPENGL_VERSION_MAJOR - 0x00020015:0x00022003, // GLFW_OPENGL_VERSION_MINOR - 0x00020016:0x00022006, // GLFW_OPENGL_FORWARD_COMPAT - 0x00020017:0x00022007, // GLFW_OPENGL_DEBUG_CONTEXT - 0x00020018:0x00022008, // GLFW_OPENGL_PROFILE - }; - return table[param]; - }}; - function _glfwCreateWindow(width, height, title, monitor, share) { - return GLFW.createWindow(width, height, title, monitor, share); - } - - function _glfwDestroyWindow(winid) { - return GLFW.destroyWindow(winid); - } - - function _glfwGetCursorPos(winid, x, y) { - GLFW.getCursorPos(winid, x, y); - } - - function _glfwGetInputMode(winid, mode) { - var win = GLFW.WindowFromId(winid); - if (!win) return; - - switch (mode) { - case 0x00033001: { // GLFW_CURSOR - if (Browser.pointerLock) { - win.inputModes[mode] = 0x00034003; // GLFW_CURSOR_DISABLED - } else { - win.inputModes[mode] = 0x00034001; // GLFW_CURSOR_NORMAL - } - } - } - - return win.inputModes[mode]; - } - - function _glfwInit() { - if (GLFW.windows) return 1; // GL_TRUE - - GLFW.initialTime = GLFW.getTime(); - GLFW.hints = GLFW.defaultHints; - GLFW.windows = new Array() - GLFW.active = null; - - window.addEventListener("gamepadconnected", GLFW.onGamepadConnected, true); - window.addEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true); - window.addEventListener("keydown", GLFW.onKeydown, true); - window.addEventListener("keypress", GLFW.onKeyPress, true); - window.addEventListener("keyup", GLFW.onKeyup, true); - window.addEventListener("blur", GLFW.onBlur, true); - Module["canvas"].addEventListener("touchmove", GLFW.onMousemove, true); - Module["canvas"].addEventListener("touchstart", GLFW.onMouseButtonDown, true); - Module["canvas"].addEventListener("touchcancel", GLFW.onMouseButtonUp, true); - Module["canvas"].addEventListener("touchend", GLFW.onMouseButtonUp, true); - Module["canvas"].addEventListener("mousemove", GLFW.onMousemove, true); - Module["canvas"].addEventListener("mousedown", GLFW.onMouseButtonDown, true); - Module["canvas"].addEventListener("mouseup", GLFW.onMouseButtonUp, true); - Module["canvas"].addEventListener('wheel', GLFW.onMouseWheel, true); - Module["canvas"].addEventListener('mousewheel', GLFW.onMouseWheel, true); - Module["canvas"].addEventListener('mouseenter', GLFW.onMouseenter, true); - Module["canvas"].addEventListener('mouseleave', GLFW.onMouseleave, true); - Module["canvas"].addEventListener('drop', GLFW.onDrop, true); - Module["canvas"].addEventListener('dragover', GLFW.onDragover, true); - - Browser.resizeListeners.push(function(width, height) { - GLFW.onCanvasResize(width, height); - }); - return 1; // GL_TRUE - } - - function _glfwMakeContextCurrent(winid) {} - - function _glfwPollEvents() {} - - function _glfwSetErrorCallback(cbfun) { - var prevcbfun = GLFW.errorFunc; - GLFW.errorFunc = cbfun; - return prevcbfun; - } - - function _glfwSetFramebufferSizeCallback(winid, cbfun) { - var win = GLFW.WindowFromId(winid); - if (!win) return null; - var prevcbfun = win.framebufferSizeFunc; - win.framebufferSizeFunc = cbfun; - return prevcbfun; - } - - function _glfwSetKeyCallback(winid, cbfun) { - return GLFW.setKeyCallback(winid, cbfun); - } - - function _glfwSetMouseButtonCallback(winid, cbfun) { - return GLFW.setMouseButtonCallback(winid, cbfun); - } - - function _glfwSwapBuffers(winid) { - GLFW.swapBuffers(winid); - } - - function _glfwSwapInterval(interval) { - interval = Math.abs(interval); // GLFW uses negative values to enable GLX_EXT_swap_control_tear, which we don't have, so just treat negative and positive the same. - if (interval == 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 0); - else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, interval); - } - - function _glfwTerminate() { - window.removeEventListener("gamepadconnected", GLFW.onGamepadConnected, true); - window.removeEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true); - window.removeEventListener("keydown", GLFW.onKeydown, true); - window.removeEventListener("keypress", GLFW.onKeyPress, true); - window.removeEventListener("keyup", GLFW.onKeyup, true); - window.removeEventListener("blur", GLFW.onBlur, true); - Module["canvas"].removeEventListener("touchmove", GLFW.onMousemove, true); - Module["canvas"].removeEventListener("touchstart", GLFW.onMouseButtonDown, true); - Module["canvas"].removeEventListener("touchcancel", GLFW.onMouseButtonUp, true); - Module["canvas"].removeEventListener("touchend", GLFW.onMouseButtonUp, true); - Module["canvas"].removeEventListener("mousemove", GLFW.onMousemove, true); - Module["canvas"].removeEventListener("mousedown", GLFW.onMouseButtonDown, true); - Module["canvas"].removeEventListener("mouseup", GLFW.onMouseButtonUp, true); - Module["canvas"].removeEventListener('wheel', GLFW.onMouseWheel, true); - Module["canvas"].removeEventListener('mousewheel', GLFW.onMouseWheel, true); - Module["canvas"].removeEventListener('mouseenter', GLFW.onMouseenter, true); - Module["canvas"].removeEventListener('mouseleave', GLFW.onMouseleave, true); - Module["canvas"].removeEventListener('drop', GLFW.onDrop, true); - Module["canvas"].removeEventListener('dragover', GLFW.onDragover, true); - - Module["canvas"].width = Module["canvas"].height = 1; - GLFW.windows = null; - GLFW.active = null; - } - - function _glfwWindowHint(target, hint) { - GLFW.hints[target] = hint; - } - - function _setTempRet0(val) { - setTempRet0(val); - } - - function __isLeapYear(year) { - return year%4 === 0 && (year%100 !== 0 || year%400 === 0); - } - - function __arraySum(array, index) { - var sum = 0; - for (var i = 0; i <= index; sum += array[i++]) { - // no-op - } - return sum; - } - - var __MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31]; - - var __MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31]; - function __addDays(date, days) { - var newDate = new Date(date.getTime()); - while (days > 0) { - var leap = __isLeapYear(newDate.getFullYear()); - var currentMonth = newDate.getMonth(); - var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth]; - - if (days > daysInCurrentMonth-newDate.getDate()) { - // we spill over to next month - days -= (daysInCurrentMonth-newDate.getDate()+1); - newDate.setDate(1); - if (currentMonth < 11) { - newDate.setMonth(currentMonth+1) - } else { - newDate.setMonth(0); - newDate.setFullYear(newDate.getFullYear()+1); - } - } else { - // we stay in current month - newDate.setDate(newDate.getDate()+days); - return newDate; - } - } - - return newDate; - } - function _strftime(s, maxsize, format, tm) { - // size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr); - // http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html - - var tm_zone = HEAP32[(((tm)+(40))>>2)]; - - var date = { - tm_sec: HEAP32[((tm)>>2)], - tm_min: HEAP32[(((tm)+(4))>>2)], - tm_hour: HEAP32[(((tm)+(8))>>2)], - tm_mday: HEAP32[(((tm)+(12))>>2)], - tm_mon: HEAP32[(((tm)+(16))>>2)], - tm_year: HEAP32[(((tm)+(20))>>2)], - tm_wday: HEAP32[(((tm)+(24))>>2)], - tm_yday: HEAP32[(((tm)+(28))>>2)], - tm_isdst: HEAP32[(((tm)+(32))>>2)], - tm_gmtoff: HEAP32[(((tm)+(36))>>2)], - tm_zone: tm_zone ? UTF8ToString(tm_zone) : '' - }; - - var pattern = UTF8ToString(format); - - // expand format - var EXPANSION_RULES_1 = { - '%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013 - '%D': '%m/%d/%y', // Equivalent to %m / %d / %y - '%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d - '%h': '%b', // Equivalent to %b - '%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation - '%R': '%H:%M', // Replaced by the time in 24-hour notation - '%T': '%H:%M:%S', // Replaced by the time - '%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation - '%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation - // Modified Conversion Specifiers - '%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation. - '%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation. - '%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation. - '%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation. - '%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation. - '%EY': '%Y', // Replaced by the full alternative year representation. - '%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading characters. - '%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading characters. - '%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols. - '%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols. - '%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols. - '%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols. - '%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols. - '%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1). - '%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols. - '%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols. - '%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols. - '%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols. - '%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols. - }; - for (var rule in EXPANSION_RULES_1) { - pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]); - } - - var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']; - var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; - - function leadingSomething(value, digits, character) { - var str = typeof value == 'number' ? value.toString() : (value || ''); - while (str.length < digits) { - str = character[0]+str; - } - return str; - } - - function leadingNulls(value, digits) { - return leadingSomething(value, digits, '0'); - } - - function compareByDay(date1, date2) { - function sgn(value) { - return value < 0 ? -1 : (value > 0 ? 1 : 0); - } - - var compare; - if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) { - if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) { - compare = sgn(date1.getDate()-date2.getDate()); - } - } - return compare; - } - - function getFirstWeekStartDate(janFourth) { - switch (janFourth.getDay()) { - case 0: // Sunday - return new Date(janFourth.getFullYear()-1, 11, 29); - case 1: // Monday - return janFourth; - case 2: // Tuesday - return new Date(janFourth.getFullYear(), 0, 3); - case 3: // Wednesday - return new Date(janFourth.getFullYear(), 0, 2); - case 4: // Thursday - return new Date(janFourth.getFullYear(), 0, 1); - case 5: // Friday - return new Date(janFourth.getFullYear()-1, 11, 31); - case 6: // Saturday - return new Date(janFourth.getFullYear()-1, 11, 30); - } - } - - function getWeekBasedYear(date) { - var thisDate = __addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday); - - var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4); - var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4); - - var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); - var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); - - if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) { - // this date is after the start of the first week of this year - if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) { - return thisDate.getFullYear()+1; - } else { - return thisDate.getFullYear(); - } - } else { - return thisDate.getFullYear()-1; - } - } - - var EXPANSION_RULES_2 = { - '%a': function(date) { - return WEEKDAYS[date.tm_wday].substring(0,3); - }, - '%A': function(date) { - return WEEKDAYS[date.tm_wday]; - }, - '%b': function(date) { - return MONTHS[date.tm_mon].substring(0,3); - }, - '%B': function(date) { - return MONTHS[date.tm_mon]; - }, - '%C': function(date) { - var year = date.tm_year+1900; - return leadingNulls((year/100)|0,2); - }, - '%d': function(date) { - return leadingNulls(date.tm_mday, 2); - }, - '%e': function(date) { - return leadingSomething(date.tm_mday, 2, ' '); - }, - '%g': function(date) { - // %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year. - // In this system, weeks begin on a Monday and week 1 of the year is the week that includes - // January 4th, which is also the week that includes the first Thursday of the year, and - // is also the first week that contains at least four days in the year. - // If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of - // the last week of the preceding year; thus, for Saturday 2nd January 1999, - // %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th, - // or 31st is a Monday, it and any following days are part of week 1 of the following year. - // Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01. - - return getWeekBasedYear(date).toString().substring(2); - }, - '%G': function(date) { - return getWeekBasedYear(date); - }, - '%H': function(date) { - return leadingNulls(date.tm_hour, 2); - }, - '%I': function(date) { - var twelveHour = date.tm_hour; - if (twelveHour == 0) twelveHour = 12; - else if (twelveHour > 12) twelveHour -= 12; - return leadingNulls(twelveHour, 2); - }, - '%j': function(date) { - // Day of the year (001-366) - return leadingNulls(date.tm_mday+__arraySum(__isLeapYear(date.tm_year+1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon-1), 3); - }, - '%m': function(date) { - return leadingNulls(date.tm_mon+1, 2); - }, - '%M': function(date) { - return leadingNulls(date.tm_min, 2); - }, - '%n': function() { - return '\n'; - }, - '%p': function(date) { - if (date.tm_hour >= 0 && date.tm_hour < 12) { - return 'AM'; - } else { - return 'PM'; - } - }, - '%S': function(date) { - return leadingNulls(date.tm_sec, 2); - }, - '%t': function() { - return '\t'; - }, - '%u': function(date) { - return date.tm_wday || 7; - }, - '%U': function(date) { - // Replaced by the week number of the year as a decimal number [00,53]. - // The first Sunday of January is the first day of week 1; - // days in the new year before this are in week 0. [ tm_year, tm_wday, tm_yday] - var janFirst = new Date(date.tm_year+1900, 0, 1); - var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7-janFirst.getDay()); - var endDate = new Date(date.tm_year+1900, date.tm_mon, date.tm_mday); - - // is target date after the first Sunday? - if (compareByDay(firstSunday, endDate) < 0) { - // calculate difference in days between first Sunday and endDate - var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth()-1)-31; - var firstSundayUntilEndJanuary = 31-firstSunday.getDate(); - var days = firstSundayUntilEndJanuary+februaryFirstUntilEndMonth+endDate.getDate(); - return leadingNulls(Math.ceil(days/7), 2); - } - - return compareByDay(firstSunday, janFirst) === 0 ? '01': '00'; - }, - '%V': function(date) { - // Replaced by the week number of the year (Monday as the first day of the week) - // as a decimal number [01,53]. If the week containing 1 January has four - // or more days in the new year, then it is considered week 1. - // Otherwise, it is the last week of the previous year, and the next week is week 1. - // Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday] - var janFourthThisYear = new Date(date.tm_year+1900, 0, 4); - var janFourthNextYear = new Date(date.tm_year+1901, 0, 4); - - var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); - var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); - - var endDate = __addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday); - - if (compareByDay(endDate, firstWeekStartThisYear) < 0) { - // if given date is before this years first week, then it belongs to the 53rd week of last year - return '53'; - } - - if (compareByDay(firstWeekStartNextYear, endDate) <= 0) { - // if given date is after next years first week, then it belongs to the 01th week of next year - return '01'; - } - - // given date is in between CW 01..53 of this calendar year - var daysDifference; - if (firstWeekStartThisYear.getFullYear() < date.tm_year+1900) { - // first CW of this year starts last year - daysDifference = date.tm_yday+32-firstWeekStartThisYear.getDate() - } else { - // first CW of this year starts this year - daysDifference = date.tm_yday+1-firstWeekStartThisYear.getDate(); - } - return leadingNulls(Math.ceil(daysDifference/7), 2); - }, - '%w': function(date) { - return date.tm_wday; - }, - '%W': function(date) { - // Replaced by the week number of the year as a decimal number [00,53]. - // The first Monday of January is the first day of week 1; - // days in the new year before this are in week 0. [ tm_year, tm_wday, tm_yday] - var janFirst = new Date(date.tm_year, 0, 1); - var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7-janFirst.getDay()+1); - var endDate = new Date(date.tm_year+1900, date.tm_mon, date.tm_mday); - - // is target date after the first Monday? - if (compareByDay(firstMonday, endDate) < 0) { - var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth()-1)-31; - var firstMondayUntilEndJanuary = 31-firstMonday.getDate(); - var days = firstMondayUntilEndJanuary+februaryFirstUntilEndMonth+endDate.getDate(); - return leadingNulls(Math.ceil(days/7), 2); - } - return compareByDay(firstMonday, janFirst) === 0 ? '01': '00'; - }, - '%y': function(date) { - // Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year] - return (date.tm_year+1900).toString().substring(2); - }, - '%Y': function(date) { - // Replaced by the year as a decimal number (for example, 1997). [ tm_year] - return date.tm_year+1900; - }, - '%z': function(date) { - // Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ). - // For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich). - var off = date.tm_gmtoff; - var ahead = off >= 0; - off = Math.abs(off) / 60; - // convert from minutes into hhmm format (which means 60 minutes = 100 units) - off = (off / 60)*100 + (off % 60); - return (ahead ? '+' : '-') + String("0000" + off).slice(-4); - }, - '%Z': function(date) { - return date.tm_zone; - }, - '%%': function() { - return '%'; - } - }; - - // Replace %% with a pair of NULLs (which cannot occur in a C string), then - // re-inject them after processing. - pattern = pattern.replace(/%%/g, '\0\0') - for (var rule in EXPANSION_RULES_2) { - if (pattern.includes(rule)) { - pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date)); - } - } - pattern = pattern.replace(/\0\0/g, '%') - - var bytes = intArrayFromString(pattern, false); - if (bytes.length > maxsize) { - return 0; - } - - writeArrayToMemory(bytes, s); - return bytes.length-1; - } - function _strftime_l(s, maxsize, format, tm) { - return _strftime(s, maxsize, format, tm); // no locale support yet - } - - function _time(ptr) { - ; - var ret = (Date.now()/1000)|0; - if (ptr) { - HEAP32[((ptr)>>2)] = ret; - } - return ret; - } - - - var FSNode = /** @constructor */ function(parent, name, mode, rdev) { - if (!parent) { - parent = this; // root node sets parent to itself - } - this.parent = parent; - this.mount = parent.mount; - this.mounted = null; - this.id = FS.nextInode++; - this.name = name; - this.mode = mode; - this.node_ops = {}; - this.stream_ops = {}; - this.rdev = rdev; - }; - var readMode = 292/*292*/ | 73/*73*/; - var writeMode = 146/*146*/; - Object.defineProperties(FSNode.prototype, { - read: { - get: /** @this{FSNode} */function() { - return (this.mode & readMode) === readMode; - }, - set: /** @this{FSNode} */function(val) { - val ? this.mode |= readMode : this.mode &= ~readMode; - } - }, - write: { - get: /** @this{FSNode} */function() { - return (this.mode & writeMode) === writeMode; - }, - set: /** @this{FSNode} */function(val) { - val ? this.mode |= writeMode : this.mode &= ~writeMode; - } - }, - isFolder: { - get: /** @this{FSNode} */function() { - return FS.isDir(this.mode); - } - }, - isDevice: { - get: /** @this{FSNode} */function() { - return FS.isChrdev(this.mode); - } - } - }); - FS.FSNode = FSNode; - FS.staticInit();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;Module["FS_unlink"] = FS.unlink;; -ERRNO_CODES = { - 'EPERM': 63, - 'ENOENT': 44, - 'ESRCH': 71, - 'EINTR': 27, - 'EIO': 29, - 'ENXIO': 60, - 'E2BIG': 1, - 'ENOEXEC': 45, - 'EBADF': 8, - 'ECHILD': 12, - 'EAGAIN': 6, - 'EWOULDBLOCK': 6, - 'ENOMEM': 48, - 'EACCES': 2, - 'EFAULT': 21, - 'ENOTBLK': 105, - 'EBUSY': 10, - 'EEXIST': 20, - 'EXDEV': 75, - 'ENODEV': 43, - 'ENOTDIR': 54, - 'EISDIR': 31, - 'EINVAL': 28, - 'ENFILE': 41, - 'EMFILE': 33, - 'ENOTTY': 59, - 'ETXTBSY': 74, - 'EFBIG': 22, - 'ENOSPC': 51, - 'ESPIPE': 70, - 'EROFS': 69, - 'EMLINK': 34, - 'EPIPE': 64, - 'EDOM': 18, - 'ERANGE': 68, - 'ENOMSG': 49, - 'EIDRM': 24, - 'ECHRNG': 106, - 'EL2NSYNC': 156, - 'EL3HLT': 107, - 'EL3RST': 108, - 'ELNRNG': 109, - 'EUNATCH': 110, - 'ENOCSI': 111, - 'EL2HLT': 112, - 'EDEADLK': 16, - 'ENOLCK': 46, - 'EBADE': 113, - 'EBADR': 114, - 'EXFULL': 115, - 'ENOANO': 104, - 'EBADRQC': 103, - 'EBADSLT': 102, - 'EDEADLOCK': 16, - 'EBFONT': 101, - 'ENOSTR': 100, - 'ENODATA': 116, - 'ETIME': 117, - 'ENOSR': 118, - 'ENONET': 119, - 'ENOPKG': 120, - 'EREMOTE': 121, - 'ENOLINK': 47, - 'EADV': 122, - 'ESRMNT': 123, - 'ECOMM': 124, - 'EPROTO': 65, - 'EMULTIHOP': 36, - 'EDOTDOT': 125, - 'EBADMSG': 9, - 'ENOTUNIQ': 126, - 'EBADFD': 127, - 'EREMCHG': 128, - 'ELIBACC': 129, - 'ELIBBAD': 130, - 'ELIBSCN': 131, - 'ELIBMAX': 132, - 'ELIBEXEC': 133, - 'ENOSYS': 52, - 'ENOTEMPTY': 55, - 'ENAMETOOLONG': 37, - 'ELOOP': 32, - 'EOPNOTSUPP': 138, - 'EPFNOSUPPORT': 139, - 'ECONNRESET': 15, - 'ENOBUFS': 42, - 'EAFNOSUPPORT': 5, - 'EPROTOTYPE': 67, - 'ENOTSOCK': 57, - 'ENOPROTOOPT': 50, - 'ESHUTDOWN': 140, - 'ECONNREFUSED': 14, - 'EADDRINUSE': 3, - 'ECONNABORTED': 13, - 'ENETUNREACH': 40, - 'ENETDOWN': 38, - 'ETIMEDOUT': 73, - 'EHOSTDOWN': 142, - 'EHOSTUNREACH': 23, - 'EINPROGRESS': 26, - 'EALREADY': 7, - 'EDESTADDRREQ': 17, - 'EMSGSIZE': 35, - 'EPROTONOSUPPORT': 66, - 'ESOCKTNOSUPPORT': 137, - 'EADDRNOTAVAIL': 4, - 'ENETRESET': 39, - 'EISCONN': 30, - 'ENOTCONN': 53, - 'ETOOMANYREFS': 141, - 'EUSERS': 136, - 'EDQUOT': 19, - 'ESTALE': 72, - 'ENOTSUP': 138, - 'ENOMEDIUM': 148, - 'EILSEQ': 25, - 'EOVERFLOW': 61, - 'ECANCELED': 11, - 'ENOTRECOVERABLE': 56, - 'EOWNERDEAD': 62, - 'ESTRPIPE': 135, - };; -Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) { Browser.requestFullscreen(lockPointer, resizeCanvas) }; - Module["requestFullScreen"] = function Module_requestFullScreen() { Browser.requestFullScreen() }; - Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) }; - Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) }; - Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() }; - Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() }; - Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() } - Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) { return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes) }; -var GLctx;; -var ASSERTIONS = true; - - - -/** @type {function(string, boolean=, number=)} */ -function intArrayFromString(stringy, dontAddNull, length) { - var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; - var u8array = new Array(len); - var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); - if (dontAddNull) u8array.length = numBytesWritten; - return u8array; -} - -function intArrayToString(array) { - var ret = []; - for (var i = 0; i < array.length; i++) { - var chr = array[i]; - if (chr > 0xFF) { - if (ASSERTIONS) { - assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); - } - chr &= 0xFF; - } - ret.push(String.fromCharCode(chr)); - } - return ret.join(''); -} - - -// Copied from https://github.com/strophe/strophejs/blob/e06d027/src/polyfills.js#L149 - -// This code was written by Tyler Akins and has been placed in the -// public domain. It would be nice if you left this header intact. -// Base64 code from Tyler Akins -- http://rumkin.com - -/** - * Decodes a base64 string. - * @param {string} input The string to decode. - */ -var decodeBase64 = typeof atob == 'function' ? atob : function (input) { - var keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; - - var output = ''; - var chr1, chr2, chr3; - var enc1, enc2, enc3, enc4; - var i = 0; - // remove all characters that are not A-Z, a-z, 0-9, +, /, or = - input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ''); - do { - enc1 = keyStr.indexOf(input.charAt(i++)); - enc2 = keyStr.indexOf(input.charAt(i++)); - enc3 = keyStr.indexOf(input.charAt(i++)); - enc4 = keyStr.indexOf(input.charAt(i++)); - - chr1 = (enc1 << 2) | (enc2 >> 4); - chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); - chr3 = ((enc3 & 3) << 6) | enc4; - - output = output + String.fromCharCode(chr1); - - if (enc3 !== 64) { - output = output + String.fromCharCode(chr2); - } - if (enc4 !== 64) { - output = output + String.fromCharCode(chr3); - } - } while (i < input.length); - return output; -}; - -// Converts a string of base64 into a byte array. -// Throws error on invalid input. -function intArrayFromBase64(s) { - if (typeof ENVIRONMENT_IS_NODE == 'boolean' && ENVIRONMENT_IS_NODE) { - var buf = Buffer.from(s, 'base64'); - return new Uint8Array(buf['buffer'], buf['byteOffset'], buf['byteLength']); - } - - try { - var decoded = decodeBase64(s); - var bytes = new Uint8Array(decoded.length); - for (var i = 0 ; i < decoded.length ; ++i) { - bytes[i] = decoded.charCodeAt(i); - } - return bytes; - } catch (_) { - throw new Error('Converting base64 string to bytes failed.'); - } -} - -// If filename is a base64 data URI, parses and returns data (Buffer on node, -// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined. -function tryParseAsDataURI(filename) { - if (!isDataURI(filename)) { - return; - } - - return intArrayFromBase64(filename.slice(dataURIPrefix.length)); -} - - -function checkIncomingModuleAPI() { - ignoredModuleProp('fetchSettings'); -} -var asmLibraryArg = { - "__cxa_allocate_exception": ___cxa_allocate_exception, - "__cxa_throw": ___cxa_throw, - "__syscall_fcntl64": ___syscall_fcntl64, - "__syscall_fstat64": ___syscall_fstat64, - "__syscall_fstatat64": ___syscall_fstatat64, - "__syscall_ioctl": ___syscall_ioctl, - "__syscall_lstat64": ___syscall_lstat64, - "__syscall_mkdir": ___syscall_mkdir, - "__syscall_open": ___syscall_open, - "__syscall_stat64": ___syscall_stat64, - "_localtime_js": __localtime_js, - "_tzset_js": __tzset_js, - "abort": _abort, - "clock_gettime": _clock_gettime, - "emscripten_memcpy_big": _emscripten_memcpy_big, - "emscripten_resize_heap": _emscripten_resize_heap, - "emscripten_set_main_loop": _emscripten_set_main_loop, - "environ_get": _environ_get, - "environ_sizes_get": _environ_sizes_get, - "fd_close": _fd_close, - "fd_read": _fd_read, - "fd_seek": _fd_seek, - "fd_write": _fd_write, - "glAttachShader": _glAttachShader, - "glBindBuffer": _glBindBuffer, - "glBindBufferBase": _glBindBufferBase, - "glBindVertexArray": _glBindVertexArray, - "glBufferData": _glBufferData, - "glBufferSubData": _glBufferSubData, - "glClear": _glClear, - "glClearColor": _glClearColor, - "glCompileShader": _glCompileShader, - "glCreateProgram": _glCreateProgram, - "glCreateShader": _glCreateShader, - "glCullFace": _glCullFace, - "glDeleteBuffers": _glDeleteBuffers, - "glDeleteProgram": _glDeleteProgram, - "glDeleteShader": _glDeleteShader, - "glDeleteVertexArrays": _glDeleteVertexArrays, - "glDetachShader": _glDetachShader, - "glDisableVertexAttribArray": _glDisableVertexAttribArray, - "glDrawElements": _glDrawElements, - "glEnable": _glEnable, - "glEnableVertexAttribArray": _glEnableVertexAttribArray, - "glGenBuffers": _glGenBuffers, - "glGenVertexArrays": _glGenVertexArrays, - "glGetProgramInfoLog": _glGetProgramInfoLog, - "glGetProgramiv": _glGetProgramiv, - "glGetShaderInfoLog": _glGetShaderInfoLog, - "glGetShaderiv": _glGetShaderiv, - "glGetUniformBlockIndex": _glGetUniformBlockIndex, - "glLinkProgram": _glLinkProgram, - "glShaderSource": _glShaderSource, - "glUniformBlockBinding": _glUniformBlockBinding, - "glUseProgram": _glUseProgram, - "glValidateProgram": _glValidateProgram, - "glVertexAttribPointer": _glVertexAttribPointer, - "glViewport": _glViewport, - "glfwCreateWindow": _glfwCreateWindow, - "glfwDestroyWindow": _glfwDestroyWindow, - "glfwGetCursorPos": _glfwGetCursorPos, - "glfwGetInputMode": _glfwGetInputMode, - "glfwInit": _glfwInit, - "glfwMakeContextCurrent": _glfwMakeContextCurrent, - "glfwPollEvents": _glfwPollEvents, - "glfwSetErrorCallback": _glfwSetErrorCallback, - "glfwSetFramebufferSizeCallback": _glfwSetFramebufferSizeCallback, - "glfwSetKeyCallback": _glfwSetKeyCallback, - "glfwSetMouseButtonCallback": _glfwSetMouseButtonCallback, - "glfwSwapBuffers": _glfwSwapBuffers, - "glfwSwapInterval": _glfwSwapInterval, - "glfwTerminate": _glfwTerminate, - "glfwWindowHint": _glfwWindowHint, - "setTempRet0": _setTempRet0, - "strftime_l": _strftime_l, - "time": _time -}; -var asm = createWasm(); -/** @type {function(...*):?} */ -var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); - -/** @type {function(...*):?} */ -var _main = Module["_main"] = createExportWrapper("main"); - -/** @type {function(...*):?} */ -var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); - -/** @type {function(...*):?} */ -var ___stdio_exit = Module["___stdio_exit"] = createExportWrapper("__stdio_exit"); - -/** @type {function(...*):?} */ -var _malloc = Module["_malloc"] = createExportWrapper("malloc"); - -/** @type {function(...*):?} */ -var _free = Module["_free"] = createExportWrapper("free"); - -/** @type {function(...*):?} */ -var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { - return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); -}; - -/** @type {function(...*):?} */ -var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { - return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); -}; - -/** @type {function(...*):?} */ -var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { - return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); -}; - -/** @type {function(...*):?} */ -var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { - return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); -}; - -/** @type {function(...*):?} */ -var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); - -/** @type {function(...*):?} */ -var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); - -/** @type {function(...*):?} */ -var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); - -/** @type {function(...*):?} */ -var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); - -/** @type {function(...*):?} */ -var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii"); - -/** @type {function(...*):?} */ -var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij"); - -/** @type {function(...*):?} */ -var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj"); - -/** @type {function(...*):?} */ -var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj"); - - - - - -// === Auto-generated postamble setup entry stuff === - -unexportedRuntimeFunction('intArrayFromString', false); -unexportedRuntimeFunction('intArrayToString', false); -unexportedRuntimeFunction('ccall', false); -unexportedRuntimeFunction('cwrap', false); -unexportedRuntimeFunction('setValue', false); -unexportedRuntimeFunction('getValue', false); -unexportedRuntimeFunction('allocate', false); -unexportedRuntimeFunction('UTF8ArrayToString', false); -unexportedRuntimeFunction('UTF8ToString', false); -unexportedRuntimeFunction('stringToUTF8Array', false); -unexportedRuntimeFunction('stringToUTF8', false); -unexportedRuntimeFunction('lengthBytesUTF8', false); -unexportedRuntimeFunction('stackTrace', false); -unexportedRuntimeFunction('addOnPreRun', false); -unexportedRuntimeFunction('addOnInit', false); -unexportedRuntimeFunction('addOnPreMain', false); -unexportedRuntimeFunction('addOnExit', false); -unexportedRuntimeFunction('addOnPostRun', false); -unexportedRuntimeFunction('writeStringToMemory', false); -unexportedRuntimeFunction('writeArrayToMemory', false); -unexportedRuntimeFunction('writeAsciiToMemory', false); -Module["addRunDependency"] = addRunDependency; -Module["removeRunDependency"] = removeRunDependency; -unexportedRuntimeFunction('FS_createFolder', false); -Module["FS_createPath"] = FS.createPath; -Module["FS_createDataFile"] = FS.createDataFile; -Module["FS_createPreloadedFile"] = FS.createPreloadedFile; -Module["FS_createLazyFile"] = FS.createLazyFile; -unexportedRuntimeFunction('FS_createLink', false); -Module["FS_createDevice"] = FS.createDevice; -Module["FS_unlink"] = FS.unlink; -unexportedRuntimeFunction('getLEB', false); -unexportedRuntimeFunction('getFunctionTables', false); -unexportedRuntimeFunction('alignFunctionTables', false); -unexportedRuntimeFunction('registerFunctions', false); -unexportedRuntimeFunction('addFunction', false); -unexportedRuntimeFunction('removeFunction', false); -unexportedRuntimeFunction('getFuncWrapper', false); -unexportedRuntimeFunction('prettyPrint', false); -unexportedRuntimeFunction('dynCall', false); -unexportedRuntimeFunction('getCompilerSetting', false); -unexportedRuntimeFunction('print', false); -unexportedRuntimeFunction('printErr', false); -unexportedRuntimeFunction('getTempRet0', false); -unexportedRuntimeFunction('setTempRet0', false); -unexportedRuntimeFunction('callMain', false); -unexportedRuntimeFunction('abort', false); -unexportedRuntimeFunction('keepRuntimeAlive', false); -unexportedRuntimeFunction('zeroMemory', false); -unexportedRuntimeFunction('stringToNewUTF8', false); -unexportedRuntimeFunction('abortOnCannotGrowMemory', false); -unexportedRuntimeFunction('emscripten_realloc_buffer', false); -unexportedRuntimeFunction('ENV', false); -unexportedRuntimeFunction('withStackSave', false); -unexportedRuntimeFunction('ERRNO_CODES', false); -unexportedRuntimeFunction('ERRNO_MESSAGES', false); -unexportedRuntimeFunction('setErrNo', false); -unexportedRuntimeFunction('inetPton4', false); -unexportedRuntimeFunction('inetNtop4', false); -unexportedRuntimeFunction('inetPton6', false); -unexportedRuntimeFunction('inetNtop6', false); -unexportedRuntimeFunction('readSockaddr', false); -unexportedRuntimeFunction('writeSockaddr', false); -unexportedRuntimeFunction('DNS', false); -unexportedRuntimeFunction('getHostByName', false); -unexportedRuntimeFunction('Protocols', false); -unexportedRuntimeFunction('Sockets', false); -unexportedRuntimeFunction('getRandomDevice', false); -unexportedRuntimeFunction('traverseStack', false); -unexportedRuntimeFunction('convertFrameToPC', false); -unexportedRuntimeFunction('UNWIND_CACHE', false); -unexportedRuntimeFunction('saveInUnwindCache', false); -unexportedRuntimeFunction('convertPCtoSourceLocation', false); -unexportedRuntimeFunction('readAsmConstArgsArray', false); -unexportedRuntimeFunction('readAsmConstArgs', false); -unexportedRuntimeFunction('mainThreadEM_ASM', false); -unexportedRuntimeFunction('jstoi_q', false); -unexportedRuntimeFunction('jstoi_s', false); -unexportedRuntimeFunction('getExecutableName', false); -unexportedRuntimeFunction('listenOnce', false); -unexportedRuntimeFunction('autoResumeAudioContext', false); -unexportedRuntimeFunction('dynCallLegacy', false); -unexportedRuntimeFunction('getDynCaller', false); -unexportedRuntimeFunction('dynCall', false); -unexportedRuntimeFunction('callRuntimeCallbacks', false); -unexportedRuntimeFunction('wasmTableMirror', false); -unexportedRuntimeFunction('setWasmTableEntry', false); -unexportedRuntimeFunction('getWasmTableEntry', false); -unexportedRuntimeFunction('handleException', false); -unexportedRuntimeFunction('runtimeKeepalivePush', false); -unexportedRuntimeFunction('runtimeKeepalivePop', false); -unexportedRuntimeFunction('callUserCallback', false); -unexportedRuntimeFunction('maybeExit', false); -unexportedRuntimeFunction('safeSetTimeout', false); -unexportedRuntimeFunction('asmjsMangle', false); -unexportedRuntimeFunction('asyncLoad', false); -unexportedRuntimeFunction('alignMemory', false); -unexportedRuntimeFunction('mmapAlloc', false); -unexportedRuntimeFunction('reallyNegative', false); -unexportedRuntimeFunction('unSign', false); -unexportedRuntimeFunction('reSign', false); -unexportedRuntimeFunction('formatString', false); -unexportedRuntimeFunction('PATH', false); -unexportedRuntimeFunction('PATH_FS', false); -unexportedRuntimeFunction('SYSCALLS', false); -unexportedRuntimeFunction('getSocketFromFD', false); -unexportedRuntimeFunction('getSocketAddress', false); -unexportedRuntimeFunction('JSEvents', false); -unexportedRuntimeFunction('registerKeyEventCallback', false); -unexportedRuntimeFunction('specialHTMLTargets', false); -unexportedRuntimeFunction('maybeCStringToJsString', false); -unexportedRuntimeFunction('findEventTarget', false); -unexportedRuntimeFunction('findCanvasEventTarget', false); -unexportedRuntimeFunction('getBoundingClientRect', false); -unexportedRuntimeFunction('fillMouseEventData', false); -unexportedRuntimeFunction('registerMouseEventCallback', false); -unexportedRuntimeFunction('registerWheelEventCallback', false); -unexportedRuntimeFunction('registerUiEventCallback', false); -unexportedRuntimeFunction('registerFocusEventCallback', false); -unexportedRuntimeFunction('fillDeviceOrientationEventData', false); -unexportedRuntimeFunction('registerDeviceOrientationEventCallback', false); -unexportedRuntimeFunction('fillDeviceMotionEventData', false); -unexportedRuntimeFunction('registerDeviceMotionEventCallback', false); -unexportedRuntimeFunction('screenOrientation', false); -unexportedRuntimeFunction('fillOrientationChangeEventData', false); -unexportedRuntimeFunction('registerOrientationChangeEventCallback', false); -unexportedRuntimeFunction('fillFullscreenChangeEventData', false); -unexportedRuntimeFunction('registerFullscreenChangeEventCallback', false); -unexportedRuntimeFunction('registerRestoreOldStyle', false); -unexportedRuntimeFunction('hideEverythingExceptGivenElement', false); -unexportedRuntimeFunction('restoreHiddenElements', false); -unexportedRuntimeFunction('setLetterbox', false); -unexportedRuntimeFunction('currentFullscreenStrategy', false); -unexportedRuntimeFunction('restoreOldWindowedStyle', false); -unexportedRuntimeFunction('softFullscreenResizeWebGLRenderTarget', false); -unexportedRuntimeFunction('doRequestFullscreen', false); -unexportedRuntimeFunction('fillPointerlockChangeEventData', false); -unexportedRuntimeFunction('registerPointerlockChangeEventCallback', false); -unexportedRuntimeFunction('registerPointerlockErrorEventCallback', false); -unexportedRuntimeFunction('requestPointerLock', false); -unexportedRuntimeFunction('fillVisibilityChangeEventData', false); -unexportedRuntimeFunction('registerVisibilityChangeEventCallback', false); -unexportedRuntimeFunction('registerTouchEventCallback', false); -unexportedRuntimeFunction('fillGamepadEventData', false); -unexportedRuntimeFunction('registerGamepadEventCallback', false); -unexportedRuntimeFunction('registerBeforeUnloadEventCallback', false); -unexportedRuntimeFunction('fillBatteryEventData', false); -unexportedRuntimeFunction('battery', false); -unexportedRuntimeFunction('registerBatteryEventCallback', false); -unexportedRuntimeFunction('setCanvasElementSize', false); -unexportedRuntimeFunction('getCanvasElementSize', false); -unexportedRuntimeFunction('demangle', false); -unexportedRuntimeFunction('demangleAll', false); -unexportedRuntimeFunction('jsStackTrace', false); -unexportedRuntimeFunction('stackTrace', false); -unexportedRuntimeFunction('getEnvStrings', false); -unexportedRuntimeFunction('checkWasiClock', false); -unexportedRuntimeFunction('writeI53ToI64', false); -unexportedRuntimeFunction('writeI53ToI64Clamped', false); -unexportedRuntimeFunction('writeI53ToI64Signaling', false); -unexportedRuntimeFunction('writeI53ToU64Clamped', false); -unexportedRuntimeFunction('writeI53ToU64Signaling', false); -unexportedRuntimeFunction('readI53FromI64', false); -unexportedRuntimeFunction('readI53FromU64', false); -unexportedRuntimeFunction('convertI32PairToI53', false); -unexportedRuntimeFunction('convertU32PairToI53', false); -unexportedRuntimeFunction('setImmediateWrapped', false); -unexportedRuntimeFunction('clearImmediateWrapped', false); -unexportedRuntimeFunction('polyfillSetImmediate', false); -unexportedRuntimeFunction('uncaughtExceptionCount', false); -unexportedRuntimeFunction('exceptionLast', false); -unexportedRuntimeFunction('exceptionCaught', false); -unexportedRuntimeFunction('ExceptionInfo', false); -unexportedRuntimeFunction('CatchInfo', false); -unexportedRuntimeFunction('exception_addRef', false); -unexportedRuntimeFunction('exception_decRef', false); -unexportedRuntimeFunction('Browser', false); -unexportedRuntimeFunction('funcWrappers', false); -unexportedRuntimeFunction('getFuncWrapper', false); -unexportedRuntimeFunction('setMainLoop', false); -unexportedRuntimeFunction('wget', false); -unexportedRuntimeFunction('FS', false); -unexportedRuntimeFunction('MEMFS', false); -unexportedRuntimeFunction('TTY', false); -unexportedRuntimeFunction('PIPEFS', false); -unexportedRuntimeFunction('SOCKFS', false); -unexportedRuntimeFunction('_setNetworkCallback', false); -unexportedRuntimeFunction('tempFixedLengthArray', false); -unexportedRuntimeFunction('miniTempWebGLFloatBuffers', false); -unexportedRuntimeFunction('heapObjectForWebGLType', false); -unexportedRuntimeFunction('heapAccessShiftForWebGLHeap', false); -unexportedRuntimeFunction('GL', false); -unexportedRuntimeFunction('emscriptenWebGLGet', false); -unexportedRuntimeFunction('computeUnpackAlignedImageSize', false); -unexportedRuntimeFunction('emscriptenWebGLGetTexPixelData', false); -unexportedRuntimeFunction('emscriptenWebGLGetUniform', false); -unexportedRuntimeFunction('webglGetUniformLocation', false); -unexportedRuntimeFunction('webglPrepareUniformLocationsBeforeFirstUse', false); -unexportedRuntimeFunction('webglGetLeftBracePos', false); -unexportedRuntimeFunction('emscriptenWebGLGetVertexAttrib', false); -unexportedRuntimeFunction('writeGLArray', false); -unexportedRuntimeFunction('AL', false); -unexportedRuntimeFunction('SDL_unicode', false); -unexportedRuntimeFunction('SDL_ttfContext', false); -unexportedRuntimeFunction('SDL_audio', false); -unexportedRuntimeFunction('SDL', false); -unexportedRuntimeFunction('SDL_gfx', false); -unexportedRuntimeFunction('GLUT', false); -unexportedRuntimeFunction('EGL', false); -unexportedRuntimeFunction('GLFW_Window', false); -unexportedRuntimeFunction('GLFW', false); -unexportedRuntimeFunction('GLEW', false); -unexportedRuntimeFunction('IDBStore', false); -unexportedRuntimeFunction('runAndAbortIfError', false); -unexportedRuntimeFunction('emscriptenWebGLGetIndexed', false); -unexportedRuntimeFunction('warnOnce', false); -unexportedRuntimeFunction('stackSave', false); -unexportedRuntimeFunction('stackRestore', false); -unexportedRuntimeFunction('stackAlloc', false); -unexportedRuntimeFunction('AsciiToString', false); -unexportedRuntimeFunction('stringToAscii', false); -unexportedRuntimeFunction('UTF16ToString', false); -unexportedRuntimeFunction('stringToUTF16', false); -unexportedRuntimeFunction('lengthBytesUTF16', false); -unexportedRuntimeFunction('UTF32ToString', false); -unexportedRuntimeFunction('stringToUTF32', false); -unexportedRuntimeFunction('lengthBytesUTF32', false); -unexportedRuntimeFunction('allocateUTF8', false); -unexportedRuntimeFunction('allocateUTF8OnStack', false); -Module["writeStackCookie"] = writeStackCookie; -Module["checkStackCookie"] = checkStackCookie; -unexportedRuntimeSymbol('ALLOC_NORMAL', false); -unexportedRuntimeSymbol('ALLOC_STACK', false); - -var calledRun; - -/** - * @constructor - * @this {ExitStatus} - */ -function ExitStatus(status) { - this.name = "ExitStatus"; - this.message = "Program terminated with exit(" + status + ")"; - this.status = status; -} - -var calledMain = false; - -dependenciesFulfilled = function runCaller() { - // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) - if (!calledRun) run(); - if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled -}; - -function callMain(args) { - assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])'); - assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called'); - - var entryFunction = Module['_main']; - - args = args || []; - - var argc = args.length+1; - var argv = stackAlloc((argc + 1) * 4); - HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram); - for (var i = 1; i < argc; i++) { - HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]); - } - HEAP32[(argv >> 2) + argc] = 0; - - try { - - var ret = entryFunction(argc, argv); - - // In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as - // execution is asynchronously handed off to a pthread. - // if we're not running an evented main loop, it's time to exit - exit(ret, /* implicit = */ true); - return ret; - } - catch (e) { - return handleException(e); - } finally { - calledMain = true; - - } -} - -function stackCheckInit() { - // This is normally called automatically during __wasm_call_ctors but need to - // get these values before even running any of the ctors so we call it redundantly - // here. - // TODO(sbc): Move writeStackCookie to native to to avoid this. - _emscripten_stack_init(); - writeStackCookie(); -} - -/** @type {function(Array=)} */ -function run(args) { - args = args || arguments_; - - if (runDependencies > 0) { - return; - } - - stackCheckInit(); - - preRun(); - - // a preRun added a dependency, run will be called later - if (runDependencies > 0) { - return; - } - - function doRun() { - // run may have just been called through dependencies being fulfilled just in this very frame, - // or while the async setStatus time below was happening - if (calledRun) return; - calledRun = true; - Module['calledRun'] = true; - - if (ABORT) return; - - initRuntime(); - - preMain(); - - if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); - - if (shouldRunNow) callMain(args); - - postRun(); - } - - if (Module['setStatus']) { - Module['setStatus']('Running...'); - setTimeout(function() { - setTimeout(function() { - Module['setStatus'](''); - }, 1); - doRun(); - }, 1); - } else - { - doRun(); - } - checkStackCookie(); -} -Module['run'] = run; - -function checkUnflushedContent() { - // Compiler settings do not allow exiting the runtime, so flushing - // the streams is not possible. but in ASSERTIONS mode we check - // if there was something to flush, and if so tell the user they - // should request that the runtime be exitable. - // Normally we would not even include flush() at all, but in ASSERTIONS - // builds we do so just for this check, and here we see if there is any - // content to flush, that is, we check if there would have been - // something a non-ASSERTIONS build would have not seen. - // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 - // mode (which has its own special function for this; otherwise, all - // the code is inside libc) - var oldOut = out; - var oldErr = err; - var has = false; - out = err = (x) => { - has = true; - } - try { // it doesn't matter if it fails - ___stdio_exit(); - // also flush in the JS FS layer - ['stdout', 'stderr'].forEach(function(name) { - var info = FS.analyzePath('/dev/' + name); - if (!info) return; - var stream = info.object; - var rdev = stream.rdev; - var tty = TTY.ttys[rdev]; - if (tty && tty.output && tty.output.length) { - has = true; - } - }); - } catch(e) {} - out = oldOut; - err = oldErr; - if (has) { - warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.'); - } -} - -/** @param {boolean|number=} implicit */ -function exit(status, implicit) { - EXITSTATUS = status; - - // Skip this check if the runtime is being kept alive deliberately. - // For example if `exit_with_live_runtime` is called. - if (!runtimeKeepaliveCounter) { - checkUnflushedContent(); - } - - if (keepRuntimeAlive()) { - // if exit() was called, we may warn the user if the runtime isn't actually being shut down - if (!implicit) { - var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; - err(msg); - } - } else { - exitRuntime(); - } - - procExit(status); -} - -function procExit(code) { - EXITSTATUS = code; - if (!keepRuntimeAlive()) { - if (Module['onExit']) Module['onExit'](code); - ABORT = true; - } - quit_(code, new ExitStatus(code)); -} - -if (Module['preInit']) { - if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; - while (Module['preInit'].length > 0) { - Module['preInit'].pop()(); - } -} - -// shouldRunNow refers to calling main(), not run(). -var shouldRunNow = true; - -if (Module['noInitialRun']) shouldRunNow = false; - -run(); - - - - - diff --git a/cmake-build-emrelease/FinalProject.wasm b/cmake-build-emrelease/FinalProject.wasm deleted file mode 100755 index effdca2..0000000 Binary files a/cmake-build-emrelease/FinalProject.wasm and /dev/null differ diff --git a/cmake-build-emrelease/Makefile b/cmake-build-emrelease/Makefile index eff97a9..dc2ccf7 100644 --- a/cmake-build-emrelease/Makefile +++ b/cmake-build-emrelease/Makefile @@ -241,30 +241,6 @@ src/render/window.cpp.s: $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/render/window.cpp.s .PHONY : src/render/window.cpp.s -src/world/chunk/chunk.o: src/world/chunk/chunk.cpp.o -.PHONY : src/world/chunk/chunk.o - -# target to build an object file -src/world/chunk/chunk.cpp.o: - $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/chunk.cpp.o -.PHONY : src/world/chunk/chunk.cpp.o - -src/world/chunk/chunk.i: src/world/chunk/chunk.cpp.i -.PHONY : src/world/chunk/chunk.i - -# target to preprocess a source file -src/world/chunk/chunk.cpp.i: - $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/chunk.cpp.i -.PHONY : src/world/chunk/chunk.cpp.i - -src/world/chunk/chunk.s: src/world/chunk/chunk.cpp.s -.PHONY : src/world/chunk/chunk.s - -# target to generate assembly for a file -src/world/chunk/chunk.cpp.s: - $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/chunk.cpp.s -.PHONY : src/world/chunk/chunk.cpp.s - src/world/chunk/storage.o: src/world/chunk/storage.cpp.o .PHONY : src/world/chunk/storage.o @@ -289,6 +265,30 @@ src/world/chunk/storage.cpp.s: $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/storage.cpp.s .PHONY : src/world/chunk/storage.cpp.s +src/world/chunk/world.o: src/world/chunk/world.cpp.o +.PHONY : src/world/chunk/world.o + +# target to build an object file +src/world/chunk/world.cpp.o: + $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/world.cpp.o +.PHONY : src/world/chunk/world.cpp.o + +src/world/chunk/world.i: src/world/chunk/world.cpp.i +.PHONY : src/world/chunk/world.i + +# target to preprocess a source file +src/world/chunk/world.cpp.i: + $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/world.cpp.i +.PHONY : src/world/chunk/world.cpp.i + +src/world/chunk/world.s: src/world/chunk/world.cpp.s +.PHONY : src/world/chunk/world.s + +# target to generate assembly for a file +src/world/chunk/world.cpp.s: + $(MAKE) $(MAKESILENT) -f CMakeFiles/FinalProject.dir/build.make CMakeFiles/FinalProject.dir/src/world/chunk/world.cpp.s +.PHONY : src/world/chunk/world.cpp.s + src/world/registry.o: src/world/registry.cpp.o .PHONY : src/world/registry.o @@ -335,12 +335,12 @@ help: @echo "... src/render/window.o" @echo "... src/render/window.i" @echo "... src/render/window.s" - @echo "... src/world/chunk/chunk.o" - @echo "... src/world/chunk/chunk.i" - @echo "... src/world/chunk/chunk.s" @echo "... src/world/chunk/storage.o" @echo "... src/world/chunk/storage.i" @echo "... src/world/chunk/storage.s" + @echo "... src/world/chunk/world.o" + @echo "... src/world/chunk/world.i" + @echo "... src/world/chunk/world.s" @echo "... src/world/registry.o" @echo "... src/world/registry.i" @echo "... src/world/registry.s" diff --git a/include/shaders/chunk.vert b/include/shaders/chunk.vert index 2622696..218cd78 100644 --- a/include/shaders/chunk.vert +++ b/include/shaders/chunk.vert @@ -6,6 +6,8 @@ precision mediump float; layout (location = 0) in vec3 vertex; +uniform mat4 translation; + layout (std140) uniform StandardMatrices { mat4 projection; @@ -15,7 +17,7 @@ layout (std140) uniform StandardMatrices }; void main() { - gl_Position = projection * view * vec4(vertex.x, vertex.y, vertex.z, 1.0); + gl_Position = projection * view * translation * vec4(vertex.x, vertex.y, vertex.z, 1.0); } ")"; diff --git a/include/world/chunk/storage.h b/include/world/chunk/storage.h index 5474496..d4bd7b4 100644 --- a/include/world/chunk/storage.h +++ b/include/world/chunk/storage.h @@ -10,26 +10,12 @@ #include #include #include "blt/std/logging.h" +#include // contains storage classes for block IDs inside chunks plus eventual lookup of block states -// size of the chunk in number of blocks -constexpr int CHUNK_SIZE = 32; -const int CHUNK_SHIFT = (int)(log(CHUNK_SIZE) / log(2)); -// size that the base vertex arrays are assumed to be (per face) -constexpr int VTX_ARR_SIZE = 18; - namespace fp { - enum face { - X_POS = 0, - X_NEG = 1, - Y_POS = 2, - Y_NEG = 3, - Z_POS = 4, - Z_NEG = 5, - }; - class block_storage { private: char* blocks; @@ -44,33 +30,25 @@ namespace fp { delete[] blocks; } - inline char get(const blt::vec3& pos) { return get(pos.x(), pos.y(), pos.z()); } - - inline char get(float x, float y, float z) { return get(int(x), int(y), int(z)); } - - inline char get(int x, int y, int z) { - return blocks[z * CHUNK_SIZE * CHUNK_SIZE + y * CHUNK_SIZE + x]; + [[nodiscard]] inline char get(const block_pos& pos) const { + return blocks[pos.z * CHUNK_SIZE * CHUNK_SIZE + pos.y * CHUNK_SIZE + pos.x]; } - inline void set(const blt::vec3& pos, char blockID) { return set(pos.x(), pos.y(), pos.z(), blockID); } - - inline void set(float x, float y, float z, char blockID) { return set(int(x), int(y), int(z), blockID); } - - inline void set(int x, int y, int z, char blockID) { - blocks[z * CHUNK_SIZE * CHUNK_SIZE + y * CHUNK_SIZE + x] = blockID; + inline void set(const block_pos& pos, char blockID) { + blocks[pos.z * CHUNK_SIZE * CHUNK_SIZE + pos.y * CHUNK_SIZE + pos.x] = blockID; } }; class mesh_storage { private: std::vector vertices; - inline void add_and_translate(const float* array, float x, float y, float z) { + inline void add_and_translate(const float* array, const block_pos& pos) { // since a chunk mesh contains all the faces for all the blocks inside the chunk // we can add the translated values of predefined "unit" faces. This is for the simple "fast" chunk mesh generator. for (int i = 0; i < VTX_ARR_SIZE; i+=3){ - auto new_x = array[i] + x; - auto new_y = array[i + 1] + y; - auto new_z = array[i + 2] + z; + auto new_x = array[i] + (float)pos.x; + auto new_y = array[i + 1] + (float)pos.y; + auto new_z = array[i + 2] + (float)pos.z; BLT_TRACE("Creating translated vertex {%f, %f, %f} from array position [%d, %d, %d]", new_x, new_y, new_z, i, i + 1, i + 2); vertices.push_back(new_x); vertices.push_back(new_y); @@ -78,10 +56,7 @@ namespace fp { } } public: - void addFace(face face, float x, float y, float z); - inline void addFace(face face, int x, int y, int z) { - addFace(face, (float)x, (float)y, (float)z); - } + void addFace(face face, const block_pos& pos); inline std::vector& getVertices() { return vertices; diff --git a/include/world/chunk/typedefs.h b/include/world/chunk/typedefs.h new file mode 100644 index 0000000..9cf8d75 --- /dev/null +++ b/include/world/chunk/typedefs.h @@ -0,0 +1,70 @@ +/* + * Created by Brett on 13/02/23. + * Licensed under GNU General Public License V3.0 + * See LICENSE file for license detail + */ + +#ifndef FINALPROJECT_CHUNK_TYPEDEFS_H +#define FINALPROJECT_CHUNK_TYPEDEFS_H + +// size of the chunk in number of blocks +constexpr int CHUNK_SIZE = 32; +const int CHUNK_SHIFT = (int)(log(CHUNK_SIZE) / log(2)); +// size that the base vertex arrays are assumed to be (per face) +constexpr int VTX_ARR_SIZE = 18; + +namespace fp { + + enum face { + X_POS = 0, + X_NEG = 1, + Y_POS = 2, + Y_NEG = 3, + Z_POS = 4, + Z_NEG = 5, + }; + + enum chunk_status { + // chunk is okay and needs no special action + OKAY = 0, + // chunk needs its VAO updated with the newest mesh + REFRESH = 1, + // chunk needs its edges re-meshed because it was created with null neighbours + PARTIAL_MESH = 2, + // chunk needs a complete re-mesh. + FULL_MESH = 3 + }; + + struct chunk_pos { + int x, y, z; + }; + + struct block_pos { + int x, y, z; + + block_pos(int x, int y, int z): x(x), y(y), z(z) {} + + block_pos(float x, float y, float z): block_pos(int(x), int(y), int(z)) {} + }; + + namespace _static { + + // std::unordered_map requires a type. As a result the functions are encapsulated. + struct chunk_pos_hash { + inline size_t operator()(const chunk_pos& pos) const { + size_t p1 = std::hash()(pos.x); + size_t p2 = std::hash()(pos.y); + size_t p3 = std::hash()(pos.z); + return (p1 ^ (p2 << 1)) ^ p3; + } + }; + + struct chunk_pos_equality { + inline bool operator()(const chunk_pos& p1, const chunk_pos& p2) const { + return p1.x == p2.x && p1.y == p2.y && p1.z == p2.z; + } + }; + + } +} +#endif //FINALPROJECT_CHUNK_TYPEDEFS_H diff --git a/include/world/chunk/world.h b/include/world/chunk/world.h index 3de5ab1..c33661a 100644 --- a/include/world/chunk/world.h +++ b/include/world/chunk/world.h @@ -13,10 +13,6 @@ namespace fp { - struct ChunkPos { - int x, y, z; - }; - namespace _static { /** * Converts from world coord to chunk-internal coords @@ -27,6 +23,10 @@ namespace fp { auto val = coord % CHUNK_SIZE; return val < 0 ? CHUNK_SIZE + val : val; } + + static inline block_pos world_to_internal(const block_pos& coord) { + return {world_to_internal(coord.x), world_to_internal(coord.y), world_to_internal(coord.z)}; + } /** * Converts from world coord to chunk pos coords @@ -57,21 +57,9 @@ namespace fp { return (int) (ucoord); } - // std::unordered_map requires a type. As a result the functions are encapsulated. - struct ChunkPosHash { - inline size_t operator()(const ChunkPos& pos) const { - size_t p1 = std::hash()(pos.x); - size_t p2 = std::hash()(pos.y); - size_t p3 = std::hash()(pos.z); - return (p1 ^ (p2 << 1)) ^ p3; - } - }; - - struct ChunkPosEquality { - inline bool operator()(const ChunkPos& p1, const ChunkPos& p2) const { - return p1.x == p2.x && p1.y == p2.y && p1.z == p2.z; - } - }; + static inline chunk_pos world_to_chunk(const block_pos& pos){ + return {world_to_chunk(pos.x), world_to_chunk(pos.y), world_to_chunk(pos.z)}; + } } @@ -80,12 +68,12 @@ namespace fp { block_storage* storage; mesh_storage* mesh = nullptr; VAO* chunk_vao; - ChunkPos pos; - - unsigned char dirtiness = 0; + chunk_pos pos; + + chunk_status dirtiness = OKAY; unsigned long render_size = 0; public: - explicit chunk(ChunkPos pos): pos(pos) { + explicit chunk(chunk_pos pos): pos(pos) { storage = new block_storage(); chunk_vao = new VAO(); // using indices uses: @@ -102,44 +90,46 @@ namespace fp { ~chunk() { delete storage; delete chunk_vao; + delete mesh; } }; class world { private: - std::unordered_map chunk_storage; + std::unordered_map chunk_storage; protected: - mesh_storage* generateChunkMesh(chunk* chunk); + void generateChunkMesh(chunk* chunk); - chunk* getChunk(int x, int y, int z) { - return chunk_storage.at(ChunkPos{_static::world_to_chunk(x), _static::world_to_chunk(y), _static::world_to_chunk(z)}); + inline void insertChunk(chunk* chunk){ + chunk_storage.insert({chunk->pos, chunk}); + } + + inline chunk* getChunk(const block_pos& pos) { + return chunk_storage.at(_static::world_to_chunk(pos)); } public: world() { - chunk_storage.insert({{0, 0, 0}, new chunk({0, 0, 0})}); + insertChunk(new chunk({0, 0, 0})); + insertChunk(new chunk({-1, 0, 0})); + insertChunk(new chunk({0, 0, -1})); + insertChunk(new chunk({-1, 0, -1})); } void update(); void render(fp::shader& shader); - inline void setBlock(int x, int y, int z, char blockID) { - auto c = getChunk(x, y, z); + inline void setBlock(const block_pos& pos, char blockID) { + auto c = getChunk(pos); // mark the chunk for a mesh update - c->dirtiness = 2; - c->storage->set(_static::world_to_internal(x), _static::world_to_internal(y), _static::world_to_internal(z), blockID); + c->dirtiness = FULL_MESH; + c->storage->set(_static::world_to_internal(pos), blockID); } - inline void setBlock(float x, float y, float z, char blockID) { setBlock((int) x, (int) y, (int) z, blockID); } - - inline char getBlock(int x, int y, int z) { - auto c = getChunk(x, y, z); - return c->storage->get(x, y, z); - } - - inline char getBlock(float x, float y, float z) { - return getBlock((int) x, (int) y, (int) z); + inline char getBlock(const block_pos& pos) { + auto c = getChunk(pos); + return c->storage->get(_static::world_to_internal(pos)); } ~world() { diff --git a/src/main.cpp b/src/main.cpp index e20a52a..dc77baa 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -20,16 +20,11 @@ fp::world* world; void loop(){ glClearColor(1.0, 1.0, 1.0, 1.0); - glClear(GL_COLOR_BUFFER_BIT); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); world->update(); world->render(*chunk_shader); - - if (fp::window::isKeyPressed(GLFW_KEY_R)){ - BLT_DEBUG("R Key is pressed!"); - if (fp::window::keyState()) - BLT_TRACE("R Key Single Press!"); - } + fp::camera::update(); fp::window::update(); } @@ -49,8 +44,11 @@ int main() { chunk_shader = new fp::shader(shader_chunk_vert, shader_chunk_frag); world = new fp::world(); - world->setBlock(0, 0, 0, 1); - world->setBlock(2, 2, 2, 1); + world->setBlock({0, 0, 0}, 1); + world->setBlock({2, 2, 2}, 1); + world->setBlock({-2, 2, 2}, 1); + world->setBlock({-2, 2, -2}, 1); + world->setBlock({2, 2, -2}, 1); glEnable(GL_CULL_FACE); glCullFace(GL_BACK); diff --git a/src/render/camera.cpp b/src/render/camera.cpp index 66e02b4..57b699a 100644 --- a/src/render/camera.cpp +++ b/src/render/camera.cpp @@ -127,5 +127,7 @@ void fp::camera::update() { position[1] += (float)(dy * window::getFrameDelta()); position[2] += (float)(dz * window::getFrameDelta()); +// BLT_TRACE("Pos: %f, %f, %f", position[0], position[1], position[2]); + updateViewMatrix(); } diff --git a/src/render/window.cpp b/src/render/window.cpp index 8f87f6d..bd832c5 100644 --- a/src/render/window.cpp +++ b/src/render/window.cpp @@ -9,6 +9,11 @@ #include #include +#ifdef __EMSCRIPTEN__ + #include + #include +#endif + GLFWwindow* global_window = nullptr; std::unordered_map key_state{}; @@ -28,6 +33,15 @@ double mouse_last_x; double mouse_dy; double mouse_last_y; +#ifdef __EMSCRIPTEN__ + EM_BOOL on_pointerlockchange(int eventType, const EmscriptenPointerlockChangeEvent *event, void *userData) { + BLT_TRACE("Emscripten pointer lock event status %d", event->isActive); + glfwSetInputMode(global_window, GLFW_CURSOR, event->isActive ? GLFW_CURSOR_DISABLED : GLFW_CURSOR_NORMAL); + return 0; + } +#endif + + /** * GLFW error callback * @param error provided by GLFW @@ -119,6 +133,7 @@ void fp::window::init(int width, int height) { int version = gladLoadGLES2(glfwGetProcAddress); BLT_INFO("Using GLAD GL %d.%d\n", GLAD_VERSION_MAJOR(version), GLAD_VERSION_MINOR(version)); #else + emscripten_set_pointerlockchange_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, on_pointerlockchange); BLT_INFO("Using Emscripten!"); // we don't want to waste the web browser's resources or cause it to lockup glfwSwapInterval(1); diff --git a/src/world/chunk/storage.cpp b/src/world/chunk/storage.cpp index f3a466b..479d1b1 100644 --- a/src/world/chunk/storage.cpp +++ b/src/world/chunk/storage.cpp @@ -79,6 +79,6 @@ const float* face_decode[] = { z_negative_vertices }; -void fp::mesh_storage::addFace(fp::face face, float x, float y, float z) { - add_and_translate(face_decode[face], x, y, z); +void fp::mesh_storage::addFace(fp::face face, const block_pos& pos) { + add_and_translate(face_decode[face], pos); } diff --git a/src/world/chunk/world.cpp b/src/world/chunk/world.cpp index 72f473f..619d432 100644 --- a/src/world/chunk/world.cpp +++ b/src/world/chunk/world.cpp @@ -5,60 +5,31 @@ */ #include - -//void fp::chunk::render(fp::shader& chunk_shader) { -// // process mesh updates -// if (isDirty){ -// auto* new_mesh = generateMesh(); -// -// auto& vertices = new_mesh->getVertices(); -// //auto& indices = new_mesh->getIndices(); -// -// BLT_INFO("Chunk mesh updated with %d vertices and %d indices taking (%d, %d) bytes!", vertices.size(), 0, vertices.size() * sizeof(float), 0 * sizeof(unsigned int)); -// -// chunk_vao->getVBO(0)->update(vertices); -// //chunk_vao->getVBO(-1)->update(indices); -// -// render_size = vertices.size(); -// -// delete(new_mesh); -// isDirty = false; -// } -// -// if (render_size > 0){ -// chunk_vao->bind(); -// glEnableVertexAttribArray(0); -// //glDrawElements(GL_TRIANGLES, render_size, GL_UNSIGNED_INT, nullptr); -// glDrawArrays(GL_TRIANGLES, 0, render_size); -// glDisableVertexAttribArray(0); -// } -// -//} - -fp::mesh_storage* fp::world::generateChunkMesh(fp::chunk* chunk) { +void fp::world::generateChunkMesh(fp::chunk* chunk) { auto* meshStorage = new mesh_storage; - if (chunk->dirtiness > 1) { // full chunk mesh + if (chunk->dirtiness == FULL_MESH) { // full chunk mesh for (int i = 0; i < CHUNK_SIZE; i++) { for (int j = 0; j < CHUNK_SIZE; j++) { for (int k = 0; k < CHUNK_SIZE; k++) { - auto block = chunk->storage->get(i, j, k); + auto block = chunk->storage->get({i, j, k}); if (block != 0) { - meshStorage->addFace(X_NEG, i, j, k); - meshStorage->addFace(X_POS, i, j, k); - meshStorage->addFace(Y_NEG, i, j, k); - meshStorage->addFace(Y_POS, i, j, k); - meshStorage->addFace(Z_NEG, i, j, k); - meshStorage->addFace(Z_POS, i, j, k); + meshStorage->addFace(X_NEG, {i, j, k}); + meshStorage->addFace(X_POS, {i, j, k}); + meshStorage->addFace(Y_NEG, {i, j, k}); + meshStorage->addFace(Y_POS, {i, j, k}); + meshStorage->addFace(Z_NEG, {i, j, k}); + meshStorage->addFace(Z_POS, {i, j, k}); } } } } - } else if (chunk->dirtiness > 0){ // partial chunk mesh (had null edges) + } else if (chunk->dirtiness == PARTIAL_MESH){ // partial chunk mesh (had null edges) } - return meshStorage; + chunk->mesh = meshStorage; + chunk->dirtiness = REFRESH; } void fp::world::update() { @@ -70,23 +41,32 @@ void fp::world::render(fp::shader& shader) { for (const auto& chunk_pair : chunk_storage) { auto chunk = chunk_pair.second; + + if (chunk->dirtiness > REFRESH){ + generateChunkMesh(chunk); + } - if (chunk->dirtiness > 0){ - auto mesh = generateChunkMesh(chunk); - auto& vertices = mesh->getVertices(); + if (chunk->dirtiness == REFRESH){ + auto& vertices = chunk->mesh->getVertices(); - BLT_INFO("Chunk mesh updated with %d vertices and %d indices taking (%d, %d) bytes!", vertices.size(), 0, vertices.size() * sizeof(float), 0 * sizeof(unsigned int)); + BLT_INFO("Chunk [%d, %d, %d] mesh updated with %d vertices and %d indices taking (%d, %d) bytes!", + chunk->pos.x, chunk->pos.y, chunk->pos.z, + vertices.size(), 0, vertices.size() * sizeof(float), 0 * sizeof(unsigned int)); + // upload the new vertices to the GPU chunk->chunk_vao->getVBO(0)->update(vertices); - //chunk_vao->getVBO(-1)->update(indices); - chunk->render_size = vertices.size(); - delete(mesh); - chunk->dirtiness = 0; + // delete the memory from the CPU. + delete(chunk->mesh); + chunk->mesh = nullptr; + chunk->dirtiness = OKAY; } if (chunk->render_size > 0){ + blt::mat4x4 translation {}; + translation.translate((float)chunk->pos.x * CHUNK_SIZE, (float)chunk->pos.y * CHUNK_SIZE, (float)chunk->pos.z * CHUNK_SIZE); + shader.setMatrix("translation", translation); chunk->chunk_vao->bind(); glEnableVertexAttribArray(0); //glDrawElements(GL_TRIANGLES, render_size, GL_UNSIGNED_INT, nullptr);