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index.js
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// include: shell.js
// The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(moduleArg) => Promise<Module>
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to check if Module already exists (e.g. case 3 above).
// Substitution will be replaced with actual code on later stage of the build,
// this way Closure Compiler will not mangle it (e.g. case 4. above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module = typeof Module != 'undefined' ? Module : {};
// 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, -sENVIRONMENT=web or -sENVIRONMENT=node)');
}
if (ENVIRONMENT_IS_NODE) {
// `require()` is no-op in an ESM module, use `createRequire()` to construct
// the require()` function. This is only necessary for multi-environment
// builds, `-sENVIRONMENT=node` emits a static import declaration instead.
// TODO: Swap all `require()`'s with `import()`'s?
}
// --pre-jses are emitted after the Module integration code, so that they can
// refer to Module (if they choose; they can also define Module)
// include: /tmp/tmpz8emqqtd.js
if (!Module.expectedDataFileDownloads) {
Module.expectedDataFileDownloads = 0;
}
Module.expectedDataFileDownloads++;
(() => {
// Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
var isPthread = typeof ENVIRONMENT_IS_PTHREAD != 'undefined' && ENVIRONMENT_IS_PTHREAD;
var isWasmWorker = typeof ENVIRONMENT_IS_WASM_WORKER != 'undefined' && ENVIRONMENT_IS_WASM_WORKER;
if (isPthread || isWasmWorker) return;
function loadPackage(metadata) {
var PACKAGE_PATH = '';
if (typeof window === 'object') {
PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
} else if (typeof process === 'undefined' && typeof location !== 'undefined') {
// web worker
PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
}
var PACKAGE_NAME = 'web/index.data';
var REMOTE_PACKAGE_BASE = 'index.data';
if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
Module['locateFile'] = Module['locateFilePackage'];
err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
}
var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
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);
Module['FS_createPath']("/assets", "Ground Textures", true, true);
Module['FS_createPath']("/assets", "Planes", true, true);
Module['FS_createPath']("/assets/Planes", "Aeroplane", true, true);
Module['FS_createPath']("/assets/Planes", "Airplane (1)", true, true);
Module['FS_createPath']("/assets/Planes", "Airplane", true, true);
Module['FS_createPath']("/assets", "Trees", true, true);
Module['FS_createPath']("/assets/Trees", "Orange tree", true, true);
Module['FS_createPath']("/assets/Trees", "Pine tree", true, true);
Module['FS_createPath']("/assets", "cloud", true, true);
Module['FS_createPath']("/assets", "grass", true, true);
Module['FS_createPath']("/assets/grass", "Grass #1", true, true);
Module['FS_createPath']("/assets/grass", "Grass", true, true);
Module['FS_createPath']("/assets/grass", "grass blades", true, true);
Module['FS_createPath']("/assets", "skybox", true, true);
Module['FS_createPath']("/", "shaders", true, true);
Module['FS_createPath']("/shaders", "clouds", true, true);
Module['FS_createPath']("/shaders", "plane", true, true);
Module['FS_createPath']("/shaders", "skybox", true, true);
Module['FS_createPath']("/shaders", "terrain", true, true);
Module['FS_createPath']("/shaders", "trees", 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.constructor.name === ArrayBuffer.name, '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_web/index.data');
};
Module['addRunDependency']('datafile_web/index.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/Ground Textures/danny_DaVito.jpeg", "start": 0, "end": 290481}, {"filename": "/assets/Ground Textures/desset_mountain.jpg", "start": 290481, "end": 549563}, {"filename": "/assets/Ground Textures/dirt.jpg", "start": 549563, "end": 689346}, {"filename": "/assets/Ground Textures/dirtAndGrass.jpg", "start": 689346, "end": 810038}, {"filename": "/assets/Ground Textures/gradient.jpeg", "start": 810038, "end": 811509}, {"filename": "/assets/Ground Textures/grass.jpg", "start": 811509, "end": 2351951}, {"filename": "/assets/Ground Textures/imageGrad.png", "start": 2351951, "end": 2493838}, {"filename": "/assets/Ground Textures/mountain.jpg", "start": 2493838, "end": 2624208}, {"filename": "/assets/Ground Textures/soil.jpg", "start": 2624208, "end": 2883286}, {"filename": "/assets/Planes/Aeroplane/Color plane map.png", "start": 2883286, "end": 3187497}, {"filename": "/assets/Planes/Aeroplane/Plane.mtl", "start": 3187497, "end": 3187668}, {"filename": "/assets/Planes/Aeroplane/Plane.obj", "start": 3187668, "end": 3227169}, {"filename": "/assets/Planes/Airplane (1)/Airplane Texture.png", "start": 3227169, "end": 3275246}, {"filename": "/assets/Planes/Airplane (1)/Airplane.mtl", "start": 3275246, "end": 3275362}, {"filename": "/assets/Planes/Airplane (1)/Airplane.obj", "start": 3275362, "end": 3584672}, {"filename": "/assets/Planes/Airplane/PUSHILIN_PLANE.png", "start": 3584672, "end": 3845866}, {"filename": "/assets/Planes/Airplane/PUSHILIN_Plane.mtl", "start": 3845866, "end": 3846128}, {"filename": "/assets/Planes/Airplane/PUSHILIN_Plane.obj", "start": 3846128, "end": 3972649}, {"filename": "/assets/Trees/Orange tree/model.obj", "start": 3972649, "end": 4221373}, {"filename": "/assets/Trees/Orange tree/texture.png", "start": 4221373, "end": 6704868}, {"filename": "/assets/Trees/Pine tree/model.obj", "start": 6704868, "end": 6710716}, {"filename": "/assets/Trees/Pine tree/texture.png", "start": 6710716, "end": 6841078}, {"filename": "/assets/cloud/Cloud2.obj", "start": 6841078, "end": 6927256}, {"filename": "/assets/cloud/Cloud4.obj", "start": 6927256, "end": 7013573}, {"filename": "/assets/cloud/Cloud_01.obj", "start": 7013573, "end": 7084173}, {"filename": "/assets/cloud/Cloud_2.obj", "start": 7084173, "end": 7175469}, {"filename": "/assets/cloud/model.obj", "start": 7175469, "end": 7389731}, {"filename": "/assets/cloud/model1.obj", "start": 7389731, "end": 8721998}, {"filename": "/assets/cloud/model2.obj", "start": 8721998, "end": 10067093}, {"filename": "/assets/grass/Grass #1/ElwFor_Grass01.mtl", "start": 10067093, "end": 10067300}, {"filename": "/assets/grass/Grass/material.lib", "start": 10067300, "end": 10067661}, {"filename": "/assets/grass/grass blades/materials.mtl", "start": 10067661, "end": 10067695}, {"filename": "/assets/grass/grass blades/materials.mtl.bak", "start": 10067695, "end": 10067732}, {"filename": "/assets/skybox/back.jpg", "start": 10067732, "end": 10807800}, {"filename": "/assets/skybox/bottom.jpg", "start": 10807800, "end": 11088389}, {"filename": "/assets/skybox/front.jpg", "start": 11088389, "end": 11561718}, {"filename": "/assets/skybox/left.jpg", "start": 11561718, "end": 12163603}, {"filename": "/assets/skybox/right.jpg", "start": 12163603, "end": 12701641}, {"filename": "/assets/skybox/top.jpg", "start": 12701641, "end": 13047780}, {"filename": "/shaders/clouds/flowField.glsl", "start": 13047780, "end": 13050238}, {"filename": "/shaders/clouds/fragment.glsl", "start": 13050238, "end": 13050388}, {"filename": "/shaders/clouds/vertex.glsl", "start": 13050388, "end": 13050728}, {"filename": "/shaders/plane/fragment.glsl", "start": 13050728, "end": 13050977}, {"filename": "/shaders/plane/vertex.glsl", "start": 13050977, "end": 13051263}, {"filename": "/shaders/skybox/fragment.glsl", "start": 13051263, "end": 13051439}, {"filename": "/shaders/skybox/vertex.glsl", "start": 13051439, "end": 13051727}, {"filename": "/shaders/terrain/fragment.glsl", "start": 13051727, "end": 13052733}, {"filename": "/shaders/terrain/vertex.glsl", "start": 13052733, "end": 13053309}, {"filename": "/shaders/trees/extract_height.glsl", "start": 13053309, "end": 13055218}, {"filename": "/shaders/trees/fragment.glsl", "start": 13055218, "end": 13055949}, {"filename": "/shaders/trees/vertex.glsl", "start": 13055949, "end": 13057041}], "remote_package_size": 13057041});
})();
// end include: /tmp/tmpz8emqqtd.js
// include: /tmp/tmpvowp90yo.js
// All the pre-js content up to here must remain later on, we need to run
// it.
if (Module['$ww'] || (typeof ENVIRONMENT_IS_PTHREAD != 'undefined' && ENVIRONMENT_IS_PTHREAD)) Module['preRun'] = [];
var necessaryPreJSTasks = Module['preRun'].slice();
// end include: /tmp/tmpvowp90yo.js
// include: /tmp/tmp5_sp809f.js
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?';
});
// end include: /tmp/tmp5_sp809f.js
// 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;
};
// `/` 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;
if (ENVIRONMENT_IS_NODE) {
if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') 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?)');
var nodeVersion = process.versions.node;
var numericVersion = nodeVersion.split('.').slice(0, 3);
numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
var minVersion = 160000;
if (numericVersion < 160000) {
throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
}
// These modules will usually be used on Node.js. Load them eagerly to avoid
// the complexity of lazy-loading.
var fs = require('fs');
var nodePath = require('path');
scriptDirectory = __dirname + '/';
// include: node_shell_read.js
read_ = (filename, binary) => {
// We need to re-wrap `file://` strings to URLs. Normalizing isn't
// necessary in that case, the path should already be absolute.
filename = isFileURI(filename) ? new URL(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, binary = true) => {
// See the comment in the `read_` function.
filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
if (err) onerror(err);
else onload(binary ? data.buffer : data);
});
};
// end include: node_shell_read.js
if (!Module['thisProgram'] && 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', (ex) => {
// suppress ExitStatus exceptions from showing an error
if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
throw ex;
}
});
quit_ = (status, toThrow) => {
process.exitCode = status;
throw toThrow;
};
} 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?)');
} 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.startsWith('blob:')) {
scriptDirectory = '';
} else {
scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1);
}
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?)');
{
// 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
}
} else
{
throw new Error('environment detection error');
}
var out = Module['print'] || console.log.bind(console);
var err = Module['printErr'] || console.error.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.
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 emscripten_set_window_title in JS)');
assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
legacyModuleProp('asm', 'wasmExports');
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 FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js';
var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js';
var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js';
var OPFS = 'OPFS is no longer included by default; build with -lopfs.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 `-sENVIRONMENT` to enable.');
// end include: shell.js
// include: preamble.js
// === 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');
if (typeof WebAssembly != 'object') {
err('no native wasm support detected');
}
// include: base64Utils.js
// Converts a string of base64 into a byte array (Uint8Array).
function intArrayFromBase64(s) {
if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) {
var buf = Buffer.from(s, 'base64');
return new Uint8Array(buf.buffer, buf.byteOffset, buf.length);
}
var decoded = atob(s);
var bytes = new Uint8Array(decoded.length);
for (var i = 0 ; i < decoded.length ; ++i) {
bytes[i] = decoded.charCodeAt(i);
}
return bytes;
}
// 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));
}
// end include: base64Utils.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;
// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
// don't define it at all in release modes. This matches the behaviour of
// MINIMAL_RUNTIME.
// TODO(sbc): Make this the default even without STRICT enabled.
/** @type {function(*, string=)} */
function assert(condition, text) {
if (!condition) {
abort('Assertion failed' + (text ? ': ' + text : ''));
}
}
// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
function _free() {
// Show a helpful error since we used to include free by default in the past.
abort('free() called but not included in the build - add `_free` to EXPORTED_FUNCTIONS');
}
// Memory management
var HEAP,
/** @type {!Int8Array} */
HEAP8,
/** @type {!Uint8Array} */
HEAPU8,
/** @type {!Int16Array} */
HEAP16,
/** @type {!Uint16Array} */
HEAPU16,
/** @type {!Int32Array} */
HEAP32,
/** @type {!Uint32Array} */
HEAPU32,
/** @type {!Float32Array} */
HEAPF32,
/** @type {!Float64Array} */
HEAPF64;
// include: runtime_shared.js
function updateMemoryViews() {
var b = wasmMemory.buffer;
Module['HEAP8'] = HEAP8 = new Int8Array(b);
Module['HEAP16'] = HEAP16 = new Int16Array(b);
Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
Module['HEAP32'] = HEAP32 = new Int32Array(b);
Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
}
// end include: runtime_shared.js
assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time')
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, or set INITIAL_MEMORY
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally');
assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
// 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);
// If the stack ends at address zero we write our cookies 4 bytes into the
// stack. This prevents interference with SAFE_HEAP and ASAN which also
// monitor writes to address zero.
if (max == 0) {
max += 4;
}
// The stack grow downwards towards _emscripten_stack_get_end.
// We write cookies to the final two words in the stack and detect if they are
// ever overwritten.
HEAPU32[((max)>>2)] = 0x02135467;
HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
// Also test the global address 0 for integrity.
HEAPU32[((0)>>2)] = 1668509029;
}
function checkStackCookie() {
if (ABORT) return;
var max = _emscripten_stack_get_end();
// See writeStackCookie().
if (max == 0) {
max += 4;
}
var cookie1 = HEAPU32[((max)>>2)];
var cookie2 = HEAPU32[(((max)+(4))>>2)];
if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
}
// Also test the global address 0 for integrity.
if (HEAPU32[((0)>>2)] != 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 -sSUPPORT_BIG_ENDIAN 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;
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() {
assert(!runtimeInitialized);
runtimeInitialized = true;
checkStackCookie();
if (!Module['noFSInit'] && !FS.init.initialized)
FS.init();
FS.ignorePermissions = false;
TTY.init();
callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
checkStackCookie();
callRuntimeCallbacks(__ATMAIN__);
}
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++;
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(() => {
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--;
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
}
}
}
/** @param {string|number=} what */
function abort(what) {
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.
// FIXME This approach does not work in Wasm EH because it currently does not assume
// all RuntimeErrors are from traps; it decides whether a RuntimeError is from
// a trap or not based on a hidden field within the object. So at the moment
// we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
// allows this in the wasm spec.
// Suppress closure compiler warning here. Closure compiler's builtin extern
// definition 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;
}
// 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.
* @noinline
*/
var isDataURI = (filename) => filename.startsWith(dataURIPrefix);
/**
* Indicates whether filename is delivered via file protocol (as opposed to http/https)
* @noinline
*/
var isFileURI = (filename) => filename.startsWith('file://');
// end include: URIUtils.js
function createExportWrapper(name, nargs) {
return (...args) => {
assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
var f = wasmExports[name];
assert(f, `exported native function \`${name}\` not found`);
// Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled.
assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`);
return f(...args);
};
}
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
function findWasmBinary() {
var f = 'index.wasm';
if (!isDataURI(f)) {
return locateFile(f);
}
return f;
}
var wasmBinaryFile;
function getBinarySync(file) {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
if (readBinary) {
return readBinary(file);
}
throw 'both async and sync fetching of the wasm failed';
}
function getBinaryPromise(binaryFile) {
// If we don't have the binary yet, try to load it asynchronously.
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
// Cordova or Electron apps are typically loaded from a file:// url.
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
if (!wasmBinary
&& (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
if (typeof fetch == 'function'
&& !isFileURI(binaryFile)
) {
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
if (!response['ok']) {
throw `failed to load wasm binary file at '${binaryFile}'`;
}
return response['arrayBuffer']();
}).catch(() => getBinarySync(binaryFile));
}
else if (readAsync) {
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
return new Promise((resolve, reject) => {
readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject)
});
}
}
// Otherwise, getBinarySync should be able to get it synchronously
return Promise.resolve().then(() => getBinarySync(binaryFile));
}
function instantiateArrayBuffer(binaryFile, imports, receiver) {
return getBinaryPromise(binaryFile).then((binary) => {
return WebAssembly.instantiate(binary, imports);
}).then(receiver, (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(binary, binaryFile, imports, callback) {
if (!binary &&
typeof WebAssembly.instantiateStreaming == 'function' &&
!isDataURI(binaryFile) &&
// Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
!isFileURI(binaryFile) &&
// Avoid instantiateStreaming() on Node.js environment for now, as while
// Node.js v18.1.0 implements it, it does not have a full fetch()
// implementation yet.
//
// Reference:
// https://github.com/emscripten-core/emscripten/pull/16917
!ENVIRONMENT_IS_NODE &&
typeof fetch == 'function') {
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
// Suppress closure warning here since the upstream definition for
// instantiateStreaming only allows Promise<Repsponse> 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, imports);
return result.then(
callback,
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(binaryFile, imports, callback);
});
});
}
return instantiateArrayBuffer(binaryFile, imports, callback);
}
function getWasmImports() {
// prepare imports
return {
'env': wasmImports,
'wasi_snapshot_preview1': wasmImports,
}
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() {
var info = getWasmImports();
// 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) {
wasmExports = instance.exports;
wasmMemory = wasmExports['memory'];
assert(wasmMemory, 'memory not found in wasm exports');
updateMemoryViews();
wasmTable = wasmExports['__indirect_function_table'];
assert(wasmTable, 'table not found in wasm exports');