8bitworkshop/src/worker/fs/fs65-nes.js

224 lines
8.7 KiB
JavaScript

var Module = typeof Module !== 'undefined' ? Module : {};
if (!Module.expectedDataFileDownloads) {
Module.expectedDataFileDownloads = 0;
}
Module.expectedDataFileDownloads++;
(function() {
// When running as a pthread, FS operations are proxied to the main thread, so we don't need to
// fetch the .data bundle on the worker
if (Module['ENVIRONMENT_IS_PTHREAD']) return;
var loadPackage = function(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 = '/home/pzp/8bitworkshop-compilers/output/fs/fs65-nes.data';
var REMOTE_PACKAGE_BASE = 'fs65-nes.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'];
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']("/", "include", true, true);
Module['FS_createPath']("/include", "em", true, true);
Module['FS_createPath']("/include", "geos", true, true);
Module['FS_createPath']("/include", "tgi", true, true);
Module['FS_createPath']("/include", "mouse", true, true);
Module['FS_createPath']("/include", "joystick", true, true);
Module['FS_createPath']("/include", "sys", true, true);
Module['FS_createPath']("/", "asminc", true, true);
Module['FS_createPath']("/", "cfg", true, true);
Module['FS_createPath']("/", "lib", true, true);
Module['FS_createPath']("/", "target", true, true);
Module['FS_createPath']("/target", "nes", true, true);
Module['FS_createPath']("/target/nes", "drv", true, true);
Module['FS_createPath']("/target/nes/drv", "joy", true, true);
Module['FS_createPath']("/target/nes/drv", "tgi", 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;
Module['FS_createDataFile'](this.name, null, byteArray, true, true, true); // canOwn this data in the filesystem, it is a slide into the heap that will never change
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_/home/pzp/8bitworkshop-compilers/output/fs/fs65-nes.data');
};
Module['addRunDependency']('datafile_/home/pzp/8bitworkshop-compilers/output/fs/fs65-nes.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
}
Module['removeRunDependency']('fs65-nes.js.metadata');
}
function runMetaWithFS() {
Module['addRunDependency']('fs65-nes.js.metadata');
var REMOTE_METADATA_NAME = Module['locateFile'] ? Module['locateFile']('fs65-nes.js.metadata', '') : 'fs65-nes.js.metadata';
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState === 4 && xhr.status === 200) {
loadPackage(JSON.parse(xhr.responseText));
}
}
xhr.open('GET', REMOTE_METADATA_NAME, true);
xhr.overrideMimeType('application/json');
xhr.send(null);
}
if (Module['calledRun']) {
runMetaWithFS();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(runMetaWithFS);
}
})();