mirror of
https://github.com/db48x/emularity.git
synced 2026-07-28 04:07:11 +00:00
1415 lines
60 KiB
JavaScript
1415 lines
60 KiB
JavaScript
var Module = null;
|
||
|
||
(function (Promise) {
|
||
/**
|
||
* IALoader
|
||
*/
|
||
function IALoader(canvas, game, callbacks, scale) {
|
||
// IA actually gives us an object here, and we really ought to be
|
||
// looking things up from it instead.
|
||
if (typeof game !== 'string') {
|
||
game = game.toString();
|
||
}
|
||
if (!callbacks || typeof callbacks !== 'object') {
|
||
callbacks = { before_emulator: updateLogo,
|
||
before_run: callbacks };
|
||
} else {
|
||
if (typeof callbacks.before_emulator === 'function') {
|
||
var func = callbacks.before_emulator;
|
||
callbacks.before_emulator = function () {
|
||
updateLogo();
|
||
func();
|
||
};
|
||
} else {
|
||
callbacks.before_emulator = updateLogo;
|
||
}
|
||
}
|
||
|
||
function img(src) {
|
||
var img = new Image();
|
||
img.src = src;
|
||
return img;
|
||
}
|
||
|
||
// yea, this is a hack
|
||
if (/archive\.org$/.test(document.location.hostname)) {
|
||
var images = { ia: img("/images/ialogo.png"),
|
||
mame: img("/images/mame.png"),
|
||
mess: img("/images/mame.png"),
|
||
dosbox: img("/images/dosbox.png"),
|
||
sae: img("/images/sae.png")
|
||
};
|
||
} else {
|
||
images = { ia: img("other_logos/ia-logo-150x150.png"),
|
||
mame: img("other_logos/mame.png"),
|
||
mess: img("other_logos/mame.png"),
|
||
dosbox: img("other_logos/dosbox.png"),
|
||
sae: img("other_logos/sae.png")
|
||
};
|
||
}
|
||
|
||
function updateLogo() {
|
||
if (emulator_logo) {
|
||
emulator.setSplashImage(emulator_logo);
|
||
}
|
||
}
|
||
|
||
var SAMPLE_RATE = (function () {
|
||
var audio_ctx = window.AudioContext || window.webkitAudioContext || false;
|
||
if (!audio_ctx) {
|
||
return false;
|
||
}
|
||
var sample = new audio_ctx;
|
||
return sample.sampleRate.toString();
|
||
}());
|
||
|
||
var metadata, filelist, module, modulecfg, config_args, emulator_logo,
|
||
emulator = new Emulator(canvas).setScale(scale)
|
||
.setSplashImage(images.ia)
|
||
.setLoad(loadFiles)
|
||
.setCallbacks(callbacks);
|
||
|
||
var cfgr;
|
||
function loadFiles(fetch_file, splash) {
|
||
splash.setTitle("Downloading game metadata...");
|
||
return new Promise(function (resolve, reject) {
|
||
var loading = fetch_file('Game Metadata',
|
||
get_meta_url(game),
|
||
'document');
|
||
loading.then(function (data) {
|
||
metadata = data;
|
||
splash.setTitle("Downloading game filelist...");
|
||
return fetch_file('Game File List',
|
||
get_files_url(game),
|
||
'document', true);
|
||
},
|
||
function () {
|
||
splash.setTitle("Failed to download IA item metadata!");
|
||
splash.failed_loading = true;
|
||
reject(1);
|
||
})
|
||
.then(function (data) {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
filelist = data;
|
||
splash.setTitle("Downloading emulator metadata...");
|
||
module = metadata.getElementsByTagName("emulator")
|
||
.item(0)
|
||
.textContent;
|
||
return fetch_file('Emulator Metadata',
|
||
get_emulator_config_url(module),
|
||
'text', true);
|
||
},
|
||
function () {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
splash.setTitle("Failed to download file list!");
|
||
splash.failed_loading = true;
|
||
reject(2);
|
||
})
|
||
.then(function (data) {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
|
||
modulecfg = JSON.parse(data);
|
||
var get_files;
|
||
|
||
if (module && module.indexOf("dosbox") === 0) {
|
||
emulator_logo = images.dosbox;
|
||
cfgr = DosBoxLoader;
|
||
get_files = get_dosbox_files;
|
||
}
|
||
else if (module && module.indexOf("sae-") === 0) {
|
||
emulator_logo = images.sae;
|
||
cfgr = SAELoader;
|
||
get_files = get_sae_files;
|
||
}
|
||
else if (module) {
|
||
emulator_logo = images.mame;
|
||
cfgr = MAMELoader;
|
||
get_files = get_mame_files;
|
||
}
|
||
else {
|
||
throw new Error("Unknown module type "+ module +"; cannot configure the emulator.");
|
||
}
|
||
|
||
var nr = modulecfg['native_resolution'];
|
||
config_args = [cfgr.emulatorJS(get_js_url(modulecfg.js_filename)),
|
||
cfgr.locateAdditionalEmulatorJS(locateAdditionalJS),
|
||
cfgr.fileSystemKey(game),
|
||
cfgr.nativeResolution(nr[0], nr[1]),
|
||
cfgr.aspectRatio(nr[0] / nr[1]),
|
||
cfgr.sampleRate(SAMPLE_RATE),
|
||
cfgr.muted(!(typeof $ !== 'undefined' && $.cookie && $.cookie('unmute')))];
|
||
|
||
if (module && module.indexOf("dosbox") === 0) {
|
||
config_args.push(cfgr.startExe(metadata.getElementsByTagName("emulator_start")
|
||
.item(0)
|
||
.textContent));
|
||
} else if (module && module.indexOf("sae-") === 0) {
|
||
config_args.push(cfgr.model(modulecfg.driver),
|
||
cfgr.rom(modulecfg.bios_filenames));
|
||
} else if (module) {
|
||
config_args.push(cfgr.driver(modulecfg.driver),
|
||
cfgr.extraArgs(modulecfg.extra_args));
|
||
}
|
||
|
||
splash.setTitle("Downloading game data...");
|
||
return Promise.all(get_files(cfgr, metadata, modulecfg, filelist));
|
||
},
|
||
function () {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
splash.setTitle("Failed to download emulator metadata!");
|
||
splash.failed_loading = true;
|
||
reject(2);
|
||
})
|
||
.then(function (game_files) {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
resolve(cfgr.apply(null, extend(config_args, game_files)));
|
||
},
|
||
function () {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
splash.setTitle("Failed to configure emulator!");
|
||
splash.failed_loading = true;
|
||
reject(3);
|
||
});
|
||
});
|
||
}
|
||
|
||
function locateAdditionalJS(filename) {
|
||
if ("file_locations" in modulecfg && filename in modulecfg.file_locations) {
|
||
return get_js_url(modulecfg.file_locations[filename]);
|
||
}
|
||
throw new Error("Don't know how to find file: "+ filename);
|
||
}
|
||
|
||
function get_dosbox_files(cfgr, emulator, modulecfg, filelist) {
|
||
// first get the urls
|
||
var urls = [], files = [];
|
||
var len = metadata.documentElement.childNodes.length, i;
|
||
for (i = 0; i < len; i++) {
|
||
var node = metadata.documentElement.childNodes[i];
|
||
var m = node.nodeName.match(/^dosbox_drive_[a-zA-Z]$/);
|
||
if (m) {
|
||
urls.push(node);
|
||
}
|
||
}
|
||
|
||
// and a count, then fetch them in
|
||
var len = urls.length;
|
||
for (i = 0; i < len; i++) {
|
||
var node = urls[i],
|
||
drive = node.nodeName.split('_')[2],
|
||
title = 'Game File ('+ (i+1) +' of '+ (game ? len+1 : len) +')',
|
||
url = get_zip_url(node.textContent);
|
||
files.push(cfgr.mountZip(drive, cfgr.fetchFile(title, url)));
|
||
}
|
||
|
||
if (game) {
|
||
var drive = 'c',
|
||
title = 'Game File ('+ (i+1) +' of '+ (game ? len+1 : len) +')',
|
||
url = get_zip_url(game);
|
||
files.push(cfgr.mountZip(drive, cfgr.fetchFile(title, url)));
|
||
}
|
||
|
||
return files;
|
||
}
|
||
|
||
function get_mame_files(cfgr, metadata, modulecfg, filelist) {
|
||
var files = [],
|
||
bios_files = modulecfg['bios_filenames'];
|
||
bios_files.forEach(function (fname, i) {
|
||
if (fname) {
|
||
var title = "Bios File ("+ (i+1) +" of "+ bios_files.length +")";
|
||
files.push(cfgr.mountFile('/'+ fname,
|
||
cfgr.fetchFile(title,
|
||
get_bios_url(fname))));
|
||
}
|
||
});
|
||
|
||
var ext = dict_from_xml(metadata).emulator_ext;
|
||
var game_files = list_from_xml(filelist).map(function (node) {
|
||
if ("getAttribute" in node) {
|
||
var file = dict_from_xml(node);
|
||
file.name = node.getAttribute("name");
|
||
return file;
|
||
}
|
||
return null;
|
||
})
|
||
.filter(function (file) {
|
||
return file && file.name.endsWith("." + ext);
|
||
});
|
||
game_files.forEach(function (file, i) {
|
||
if (file) {
|
||
var title = "Game File ("+ (i+1) +" of "+ game_files.length +")";
|
||
files.push(cfgr.mountFile('/'+ file.name,
|
||
cfgr.fetchFile(title,
|
||
get_zip_url(file.name,
|
||
get_item_name(game)))));
|
||
if (modulecfg.peripherals && modulecfg.peripherals[0]) {
|
||
files.push(cfgr.peripheral(modulecfg.peripherals[0], // we're not pushing a file here
|
||
file.name)); // but that's ok
|
||
}
|
||
}
|
||
});
|
||
files.push(cfgr.mountFile('/'+ modulecfg['driver'] + '.cfg',
|
||
cfgr.fetchOptionalFile("CFG File",
|
||
get_other_emulator_config_url(module))));
|
||
return files;
|
||
}
|
||
|
||
function get_sae_files(cfgr, metadata, modulecfg, filelist) {
|
||
var files = [],
|
||
bios_files = modulecfg['bios_filenames'];
|
||
bios_files.forEach(function (fname, i) {
|
||
if (fname) {
|
||
var title = "Bios File ("+ (i+1) +" of "+ bios_files.length +")";
|
||
files.push(cfgr.mountFile('/'+ fname,
|
||
cfgr.fetchFile(title,
|
||
get_bios_url(fname))));
|
||
}
|
||
});
|
||
|
||
var ext = dict_from_xml(metadata).emulator_ext;
|
||
var game_files = list_from_xml(filelist).map(function (node) {
|
||
if ("getAttribute" in node) {
|
||
var file = dict_from_xml(node);
|
||
file.name = node.getAttribute("name");
|
||
return file;
|
||
}
|
||
return null;
|
||
})
|
||
.filter(function (file) {
|
||
return file && file.name.endsWith("." + ext);
|
||
});
|
||
game_files.forEach(function (file, i) {
|
||
if (file) {
|
||
var title = "Game File ("+ (i+1) +" of "+ game_files.length +")";
|
||
files.push(cfgr.mountFile('/'+ file.name,
|
||
cfgr.fetchFile(title,
|
||
get_zip_url(file.name,
|
||
get_item_name(game)))));
|
||
files.push(cfgr.floppy(0, // we're not pushing a file here
|
||
file.name)); // but that's ok
|
||
}
|
||
});
|
||
files.push(cfgr.mountFile('/'+ modulecfg['driver'] + '.cfg',
|
||
cfgr.fetchOptionalFile("CFG File",
|
||
get_other_emulator_config_url(module))));
|
||
return files;
|
||
}
|
||
|
||
var get_item_name = function (game_path) {
|
||
return game_path.split('/').shift();
|
||
};
|
||
|
||
var get_game_name = function (game_path) {
|
||
return game_path.split('/').pop();
|
||
};
|
||
|
||
// NOTE: deliberately use cors.archive.org since this will 302 rewrite to iaXXXXX.us.archive.org/XX/items/...
|
||
// and need to keep that "artificial" extra domain-ish name to avoid CORS issues with IE/Safari (tracey@archive)
|
||
var get_emulator_config_url = function (module) {
|
||
return '//cors.archive.org/cors/emularity_engine_v1/' + module + '.json';
|
||
};
|
||
|
||
var get_other_emulator_config_url = function (module) {
|
||
return '//cors.archive.org/cors/emularity_config_v1/' + module + '.cfg';
|
||
};
|
||
|
||
var get_meta_url = function (game_path) {
|
||
var path = game_path.split('/');
|
||
return "//cors.archive.org/cors/"+ path[0] +"/"+ path[0] +"_meta.xml";
|
||
};
|
||
|
||
var get_files_url = function (game_path) {
|
||
var path = game_path.split('/');
|
||
return "//cors.archive.org/cors/"+ path[0] +"/"+ path[0] +"_files.xml";
|
||
};
|
||
|
||
var get_zip_url = function (game_path, item_path) {
|
||
if (item_path) {
|
||
return "//cors.archive.org/cors/"+ item_path +"/"+ game_path;
|
||
}
|
||
return "//cors.archive.org/cors/"+ game_path;
|
||
};
|
||
|
||
var get_js_url = function (js_filename) {
|
||
return "//cors.archive.org/cors/emularity_engine_v1/"+ js_filename;
|
||
};
|
||
|
||
var get_bios_url = function (bios_filename) {
|
||
return "//cors.archive.org/cors/emularity_bios_v1/"+ bios_filename;
|
||
};
|
||
|
||
function mountat (drive) {
|
||
return function (data) {
|
||
return { drive: drive,
|
||
mountpoint: "/" + drive,
|
||
data: data
|
||
};
|
||
};
|
||
}
|
||
|
||
return emulator;
|
||
}
|
||
|
||
/**
|
||
* BaseLoader
|
||
*/
|
||
function BaseLoader() {
|
||
return Array.prototype.reduce.call(arguments, extend);
|
||
}
|
||
|
||
BaseLoader.canvas = function (id) {
|
||
var elem = id instanceof Element ? id : document.getElementById(id);
|
||
return { canvas: elem };
|
||
};
|
||
|
||
BaseLoader.emulatorJS = function (url) {
|
||
return { emulatorJS: url };
|
||
};
|
||
|
||
BaseLoader.locateAdditionalEmulatorJS = function (func) {
|
||
return { locateAdditionalJS: func };
|
||
};
|
||
|
||
BaseLoader.fileSystemKey = function (key) {
|
||
return { fileSystemKey: key };
|
||
};
|
||
|
||
BaseLoader.nativeResolution = function (width, height) {
|
||
if (typeof width !== 'number' || typeof height !== 'number')
|
||
throw new Error("Width and height must be numbers");
|
||
return { nativeResolution: { width: Math.floor(width), height: Math.floor(height) } };
|
||
};
|
||
|
||
BaseLoader.aspectRatio = function (ratio) {
|
||
if (typeof ratio !== 'number')
|
||
throw new Error("Aspect ratio must be a number");
|
||
return { aspectRatio: ratio };
|
||
};
|
||
|
||
BaseLoader.sampleRate = function (rate) {
|
||
return { sample_rate: rate };
|
||
};
|
||
|
||
BaseLoader.muted = function (muted) {
|
||
return { muted: muted };
|
||
};
|
||
|
||
BaseLoader.mountZip = function (drive, file) {
|
||
return { files: [{ drive: drive,
|
||
mountpoint: "/" + drive,
|
||
file: file
|
||
}] };
|
||
};
|
||
|
||
BaseLoader.mountFile = function (filename, file) {
|
||
return { files: [{ mountpoint: filename,
|
||
file: file
|
||
}] };
|
||
};
|
||
|
||
BaseLoader.fetchFile = function (title, url) {
|
||
return { title: title, url: url, optional: false };
|
||
};
|
||
|
||
BaseLoader.fetchOptionalFile = function (title, url) {
|
||
return { title: title, url: url, optional: true };
|
||
};
|
||
|
||
BaseLoader.localFile = function (title, data) {
|
||
return { title: title, data: data };
|
||
};
|
||
|
||
/**
|
||
* DosBoxLoader
|
||
*/
|
||
function DosBoxLoader() {
|
||
var config = Array.prototype.reduce.call(arguments, extend);
|
||
config.emulator_arguments = build_dosbox_arguments(config.emulatorStart, config.files);
|
||
return config;
|
||
}
|
||
DosBoxLoader.__proto__ = BaseLoader;
|
||
|
||
DosBoxLoader.startExe = function (path) {
|
||
return { emulatorStart: path };
|
||
};
|
||
|
||
/**
|
||
* MAMELoader
|
||
*/
|
||
function MAMELoader() {
|
||
var config = Array.prototype.reduce.call(arguments, extend);
|
||
config.emulator_arguments = build_mame_arguments(config.muted, config.mame_driver,
|
||
config.nativeResolution, config.sample_rate,
|
||
config.peripheral, config.extra_mame_args);
|
||
return config;
|
||
}
|
||
MAMELoader.__proto__ = BaseLoader;
|
||
|
||
MAMELoader.driver = function (driver) {
|
||
return { mame_driver: driver };
|
||
};
|
||
|
||
MAMELoader.peripheral = function (peripheral, game) {
|
||
var p = {}
|
||
p[peripheral] = [game];
|
||
return { peripheral: p };
|
||
};
|
||
|
||
MAMELoader.extraArgs = function (args) {
|
||
return { extra_mame_args: args };
|
||
};
|
||
|
||
/**
|
||
* SAELoader
|
||
*/
|
||
|
||
function SAELoader() {
|
||
var config = Array.prototype.reduce.call(arguments, extend);
|
||
config.runner = SAERunner;
|
||
return config;
|
||
}
|
||
SAELoader.__proto__ = BaseLoader;
|
||
|
||
SAELoader.model = function (model) {
|
||
return { amigaModel: model };
|
||
}
|
||
|
||
SAELoader.fastMemory = function (megabytes) {
|
||
return { fast_memory: megabytes << 20 };
|
||
}
|
||
|
||
SAELoader.rom = function (filenames) {
|
||
if (typeof filenames == "string")
|
||
filenames = [filenames];
|
||
return { rom: filenames[0], extRom: filenames[1] };
|
||
};
|
||
|
||
SAELoader.floppy = function (index, filename) {
|
||
var f = {}
|
||
f[index] = filename;
|
||
return { floppy: f };
|
||
};
|
||
|
||
SAELoader.ntsc = function (v) {
|
||
return { ntsc: !!v };
|
||
}
|
||
|
||
var build_mame_arguments = function (muted, driver, native_resolution, sample_rate, peripheral, extra_args) {
|
||
var args = [driver,
|
||
'-verbose',
|
||
'-rompath', 'emulator',
|
||
'-window',
|
||
'-nokeepaspect'];
|
||
|
||
if (native_resolution && "width" in native_resolution && "height" in native_resolution) {
|
||
args.push('-resolution', [native_resolution.width, native_resolution.height].join('x'));
|
||
}
|
||
|
||
if (muted) {
|
||
args.push('-sound', 'none');
|
||
} else if (sample_rate) {
|
||
args.push('-samplerate', sample_rate);
|
||
}
|
||
|
||
if (peripheral) {
|
||
for (var p in peripheral) {
|
||
if (Object.prototype.propertyIsEnumerable.call(peripheral, p)) {
|
||
args.push('-' + p,
|
||
'/emulator/'+ (peripheral[p][0].replace(/\//g,'_')))
|
||
}
|
||
}
|
||
}
|
||
|
||
if (extra_args) {
|
||
args = args.concat(extra_args);
|
||
}
|
||
|
||
return args;
|
||
};
|
||
|
||
var build_dosbox_arguments = function (emulator_start, files) {
|
||
var args = ['-conf', '/emulator/dosbox.conf'];
|
||
|
||
var len = files.length;
|
||
for (var i = 0; i < len; i++) {
|
||
if ('mountpoint' in files[i]) {
|
||
args.push('-c', 'mount '+ files[i].drive +' /emulator'+ files[i].mountpoint);
|
||
}
|
||
}
|
||
|
||
var path = emulator_start.split(/\\|\//); // I have LTS already
|
||
args.push('-c', /^[a-zA-Z]:$/.test(path[0]) ? path.shift() : 'c:');
|
||
var prog = path.pop();
|
||
if (path && path.length)
|
||
args.push('-c', 'cd '+ path.join('/'));
|
||
args.push('-c', prog);
|
||
|
||
return args;
|
||
};
|
||
|
||
function SAERunner(canvas, game_data) {
|
||
this._sae = new ScriptedAmigaEmulator();
|
||
this._cfg = this._sae.getConfig();
|
||
|
||
var model = null;
|
||
switch (game_data.amigaModel) {
|
||
case "A500": model = SAEC_Model_A500; break;
|
||
case "A500P": model = SAEC_Model_A500P; break;
|
||
case "A600": model = SAEC_Model_A600; break;
|
||
case "A1000": model = SAEC_Model_A1000; break;
|
||
case "A1200": model = SAEC_Model_A1200; break;
|
||
case "A2000": model = SAEC_Model_A2000; break;
|
||
case "A3000": model = SAEC_Model_A3000; break;
|
||
case "A4000": model = SAEC_Model_A4000; break;
|
||
case "A4000T": model = SAEC_Model_A4000T; break;
|
||
/* future. do not use. cd-emulation is not implemented yet.
|
||
case "CDTV": model = SAEC_Model_CDTV; break;
|
||
case "CD32": model = SAEC_Model_CD32; break; */
|
||
}
|
||
this._sae.setModel(model, 0);
|
||
this._cfg.memory.z2FastSize = game_data.fastMemory || 2 << 20;
|
||
this._cfg.floppy.speed = SAEC_Config_Floppy_Speed_Turbo;
|
||
this._cfg.video.id = canvas.getAttribute("id");
|
||
|
||
if (game_data.nativeResolution && game_data.nativeResolution.height == 360 && game_data.nativeResolution.width == 284)
|
||
{
|
||
this._cfg.video.hresolution = SAEC_Config_Video_HResolution_LoRes;
|
||
this._cfg.video.vresolution = SAEC_Config_Video_VResolution_NonDouble;
|
||
this._cfg.video.size_win.width = SAEC_Video_DEF_AMIGA_WIDTH; /* 360 */
|
||
this._cfg.video.size_win.height = SAEC_Video_DEF_AMIGA_HEIGHT; /* 284 */
|
||
}
|
||
else if (game_data.nativeResolution && game_data.nativeResolution.height == 1440 && game_data.nativeResolution.width == 568)
|
||
{
|
||
this._cfg.video.hresolution = SAEC_Config_Video_HResolution_SuperHiRes;
|
||
this._cfg.video.vresolution = SAEC_Config_Video_VResolution_Double;
|
||
this._cfg.video.size_win.width = SAEC_Video_DEF_AMIGA_WIDTH << 2; /* 1440 */
|
||
this._cfg.video.size_win.height = SAEC_Video_DEF_AMIGA_HEIGHT << 1; /* 568 */
|
||
}
|
||
else
|
||
{
|
||
this._cfg.video.hresolution = SAEC_Config_Video_HResolution_HiRes;
|
||
this._cfg.video.vresolution = SAEC_Config_Video_VResolution_Double;
|
||
this._cfg.video.size_win.width = SAEC_Video_DEF_AMIGA_WIDTH << 1; /* 720 */
|
||
this._cfg.video.size_win.height = SAEC_Video_DEF_AMIGA_HEIGHT << 1; /* 568 */
|
||
}
|
||
|
||
this._cfg.memory.rom.name = game_data.rom;
|
||
this._cfg.memory.rom.data = new Uint8Array(game_data.fs.readFileSync('/'+game_data.rom, null, flag_r).toArrayBuffer());
|
||
this._cfg.memory.rom.size = this._cfg.memory.rom.data.length;
|
||
|
||
if (game_data.extRom) {
|
||
this._cfg.memory.extRom.name = game_data.extRom;
|
||
this._cfg.memory.extRom.data = new Uint8Array(game_data.fs.readFileSync('/'+game_data.extRom, null, flag_r).toArrayBuffer());
|
||
this._cfg.memory.extRom.size = this._cfg.memory.extRom.data.length;
|
||
}
|
||
|
||
this._cfg.floppy.drive[0].file.name = game_data.floppy[0];
|
||
this._cfg.floppy.drive[0].file.data = new Uint8Array(game_data.fs.readFileSync('/'+game_data.floppy[0], null, flag_r).toArrayBuffer());
|
||
this._cfg.floppy.drive[0].file.size = this._cfg.floppy.drive[0].file.data.length;
|
||
}
|
||
|
||
SAERunner.prototype.start = function () {
|
||
var err = this._sae.start();
|
||
}
|
||
|
||
SAERunner.prototype.pause = function () {
|
||
this._sae.pause();
|
||
}
|
||
|
||
SAERunner.prototype.stop = function () {
|
||
this._sae.stop();
|
||
}
|
||
|
||
SAERunner.prototype.mute = function () {
|
||
var err = this._sae.mute(true);
|
||
if (err) {
|
||
console.warn("unable to mute; SAE error number", err)
|
||
}
|
||
}
|
||
|
||
SAERunner.prototype.unmute = function () {
|
||
var err = this._sae.mute(false);
|
||
if (err) {
|
||
console.warn("unable to unmute; SAE error number", err)
|
||
}
|
||
}
|
||
|
||
SAERunner.prototype.onStarted = function (func) {
|
||
this._cfg.hook.event.started = func;
|
||
};
|
||
|
||
SAERunner.prototype.onReset = function (func) {
|
||
this._cfg.hook.event.reseted = func;
|
||
};
|
||
|
||
/**
|
||
* Emulator
|
||
*/
|
||
function Emulator(canvas, callbacks, loadFiles) {
|
||
if (typeof callbacks !== 'object') {
|
||
callbacks = { before_emulator: null,
|
||
before_run: callbacks };
|
||
}
|
||
var js_url;
|
||
var requests = [];
|
||
var drawloadingtimer;
|
||
// TODO: Have an enum value that communicates the current state of the emulator, e.g. 'initializing', 'loading', 'running'.
|
||
var has_started = false;
|
||
var loading = false;
|
||
var defaultSplashColors = { foreground: 'white',
|
||
background: 'black',
|
||
failure: 'red' };
|
||
var splash = { loading_text: "",
|
||
spinning: true,
|
||
finished_loading: false,
|
||
colors: defaultSplashColors,
|
||
table: null,
|
||
splashimg: new Image() };
|
||
|
||
var runner;
|
||
|
||
var muted = false;
|
||
var SDL_PauseAudio;
|
||
this.isMuted = function () { return muted; }
|
||
this.mute = function () { return this.setMute(true); }
|
||
this.unmute = function () { return this.setMute(false); }
|
||
this.toggleMute = function () { return this.setMute(!muted); }
|
||
this.setMute = function (state) {
|
||
muted = state;
|
||
if (runner) {
|
||
if (state) {
|
||
runner.mute();
|
||
} else {
|
||
runner.unmute();
|
||
}
|
||
}
|
||
else {
|
||
try {
|
||
if (!SDL_PauseAudio)
|
||
SDL_PauseAudio = Module.cwrap('SDL_PauseAudio', '', ['number']);
|
||
SDL_PauseAudio(state);
|
||
} catch (x) {
|
||
console.log("Unable to change audio state:", x);
|
||
}
|
||
}
|
||
return this;
|
||
};
|
||
|
||
// This is the bare minimum that will allow gamepads to work. If
|
||
// we don't listen for them then the browser won't tell us about
|
||
// them.
|
||
// TODO: add hooks so that some kind of UI can be displayed.
|
||
window.addEventListener("gamepadconnected",
|
||
function (e) {
|
||
console.log("Gamepad connected at index %d: %s. %d buttons, %d axes.",
|
||
e.gamepad.index, e.gamepad.id,
|
||
e.gamepad.buttons.length, e.gamepad.axes.length);
|
||
});
|
||
|
||
window.addEventListener("gamepaddisconnected",
|
||
function (e) {
|
||
console.log("Gamepad disconnected from index %d: %s",
|
||
e.gamepad.index, e.gamepad.id);
|
||
});
|
||
|
||
var css_resolution, scale, aspectRatio;
|
||
// right off the bat we set the canvas's inner dimensions to
|
||
// whatever it's current css dimensions are; this isn't likely to be
|
||
// the same size that dosbox/jsmame will set it to, but it avoids
|
||
// the case where the size was left at the default 300x150
|
||
if (!canvas.hasAttribute("width")) {
|
||
var style = getComputedStyle(canvas);
|
||
canvas.width = parseInt(style.width, 10);
|
||
canvas.height = parseInt(style.height, 10);
|
||
}
|
||
|
||
this.setScale = function(_scale) {
|
||
scale = _scale;
|
||
return this;
|
||
};
|
||
|
||
this.setSplashImage = function(_splashimg) {
|
||
if (_splashimg) {
|
||
if (_splashimg instanceof Image) {
|
||
if (splash.splashimg.parentNode) {
|
||
splash.splashimg.src = _splashimg.src;
|
||
} else {
|
||
splash.splashimg = _splashimg;
|
||
}
|
||
} else {
|
||
splash.splashimg.src = _splashimg;
|
||
}
|
||
}
|
||
return this;
|
||
};
|
||
|
||
this.setCSSResolution = function(_resolution) {
|
||
css_resolution = _resolution;
|
||
return this;
|
||
};
|
||
|
||
this.setAspectRatio = function(_aspectRatio) {
|
||
aspectRatio = _aspectRatio;
|
||
return this;
|
||
};
|
||
|
||
this.setCallbacks = function(_callbacks) {
|
||
if (typeof _callbacks !== 'object') {
|
||
callbacks = { before_emulator: null,
|
||
before_run: _callbacks };
|
||
} else {
|
||
callbacks = _callbacks;
|
||
}
|
||
return this;
|
||
};
|
||
|
||
this.setSplashColors = function (colors) {
|
||
splash.colors = colors;
|
||
return this;
|
||
};
|
||
|
||
this.setLoad = function (loadFunc) {
|
||
loadFiles = loadFunc;
|
||
return this;
|
||
};
|
||
|
||
var start = function (options) {
|
||
if (has_started)
|
||
return false;
|
||
has_started = true;
|
||
if (typeof options !== 'object') {
|
||
options = { waitAfterDownloading: false };
|
||
}
|
||
|
||
var k, c, game_data;
|
||
setupSplash(canvas, splash);
|
||
drawsplash();
|
||
|
||
var loading;
|
||
|
||
if (typeof loadFiles === 'function') {
|
||
loading = loadFiles(fetch_file, splash);
|
||
} else {
|
||
loading = Promise.resolve(loadFiles);
|
||
}
|
||
loading.then(function (_game_data) {
|
||
return new Promise(function(resolve, reject) {
|
||
var deltaFS = new BrowserFS.FileSystem.InMemory();
|
||
// If the browser supports IndexedDB storage, mirror writes to that storage
|
||
// for persistence purposes.
|
||
if (BrowserFS.FileSystem.IndexedDB.isAvailable()) {
|
||
var AsyncMirrorFS = BrowserFS.FileSystem.AsyncMirror,
|
||
IndexedDB = BrowserFS.FileSystem.IndexedDB;
|
||
deltaFS = new AsyncMirrorFS(deltaFS,
|
||
new IndexedDB(function(e, fs) {
|
||
if (e) {
|
||
// we probably weren't given access; private window for example. don't fail completely, just don't use indexeddb
|
||
finish();
|
||
} else {
|
||
// Initialize deltaFS by copying files from async storage to sync storage.
|
||
deltaFS.initialize(function (e) {
|
||
if (e) {
|
||
reject(e);
|
||
} else {
|
||
finish();
|
||
}
|
||
});
|
||
}
|
||
},
|
||
"fileSystemKey" in _game_data ? _game_data.fileSystemKey
|
||
: "emularity"));
|
||
} else {
|
||
finish();
|
||
}
|
||
|
||
function finish() {
|
||
game_data = _game_data;
|
||
|
||
// Any file system writes to MountableFileSystem will be written to the
|
||
// deltaFS, letting us mount read-only zip files into the MountableFileSystem
|
||
// while being able to "write" to them.
|
||
game_data.fs = new BrowserFS.FileSystem.OverlayFS(deltaFS,
|
||
new BrowserFS.FileSystem.MountableFileSystem());
|
||
game_data.fs.initialize(function (e) {
|
||
var Buffer = BrowserFS.BFSRequire('buffer').Buffer;
|
||
|
||
function fetch(file) {
|
||
if ('data' in file && file.data !== null && typeof file.data !== 'undefined') {
|
||
return Promise.resolve(file.data);
|
||
}
|
||
return fetch_file(file.title, file.url, 'arraybuffer', file.optional);
|
||
}
|
||
|
||
function mountat(drive) {
|
||
return function (data) {
|
||
if (data !== null) {
|
||
drive = drive.toLowerCase();
|
||
var mountpoint = '/'+ drive;
|
||
// Mount into RO MFS.
|
||
game_data.fs.getOverlayedFileSystems().readable.mount(mountpoint, BFSOpenZip(new Buffer(data)));
|
||
}
|
||
};
|
||
}
|
||
|
||
function saveat(filename) {
|
||
return function (data) {
|
||
if (data !== null) {
|
||
game_data.fs.writeFileSync('/'+ filename, new Buffer(data), null, flag_w, 0x1a4);
|
||
}
|
||
};
|
||
}
|
||
Promise.all(game_data.files
|
||
.map(function (f) {
|
||
if (f && f.file) {
|
||
if (f.drive) {
|
||
return fetch(f.file).then(mountat(f.drive));
|
||
} else if (f.mountpoint) {
|
||
return fetch(f.file).then(saveat(f.mountpoint));
|
||
}
|
||
}
|
||
return null;
|
||
}))
|
||
.then(resolve, reject);
|
||
});
|
||
}
|
||
});
|
||
})
|
||
.then(function (game_files) {
|
||
if (!game_data || splash.failed_loading) {
|
||
return null;
|
||
}
|
||
if (options.waitAfterDownloading) {
|
||
return new Promise(function (resolve, reject) {
|
||
splash.setTitle("Press any key to continue...");
|
||
splash.spinning = false;
|
||
|
||
// stashes these event listeners so that we can remove them after
|
||
window.addEventListener('keypress', k = keyevent(resolve));
|
||
canvas.addEventListener('click', c = resolve);
|
||
splash.splashElt.addEventListener('click', c);
|
||
});
|
||
}
|
||
return Promise.resolve();
|
||
},
|
||
function () {
|
||
if (splash.failed_loading) {
|
||
return;
|
||
}
|
||
splash.setTitle("Failed to download game data!");
|
||
splash.failed_loading = true;
|
||
})
|
||
.then(function () {
|
||
if (!game_data || splash.failed_loading) {
|
||
return null;
|
||
}
|
||
splash.spinning = true;
|
||
window.removeEventListener('keypress', k);
|
||
canvas.removeEventListener('click', c);
|
||
splash.splashElt.removeEventListener('click', c);
|
||
|
||
// Don't let arrow, pg up/down, home, end affect page position
|
||
blockSomeKeys();
|
||
setupFullScreen();
|
||
disableRightClickContextMenu(canvas);
|
||
|
||
// Emscripten doesn't use the proper prefixed functions for fullscreen requests,
|
||
// so let's map the prefixed versions to the correct function.
|
||
canvas.requestPointerLock = getpointerlockenabler();
|
||
|
||
moveConfigToRoot(game_data.fs);
|
||
Module = init_module(game_data.emulator_arguments, game_data.fs, game_data.locateAdditionalJS,
|
||
game_data.nativeResolution, game_data.aspectRatio);
|
||
|
||
if (callbacks && callbacks.before_emulator) {
|
||
try {
|
||
callbacks.before_emulator();
|
||
} catch (x) {
|
||
console.log(x);
|
||
}
|
||
}
|
||
if (game_data.emulatorJS) {
|
||
splash.setTitle("Launching Emulator");
|
||
return attach_script(game_data.emulatorJS);
|
||
} else {
|
||
splash.setTitle("Non-system disk or disk error");
|
||
}
|
||
return null;
|
||
},
|
||
function () {
|
||
if (!game_data || splash.failed_loading) {
|
||
return null;
|
||
}
|
||
splash.setTitle("Invalid media, track 0 bad or unusable");
|
||
splash.failed_loading = true;
|
||
})
|
||
.then(function () {
|
||
if (!game_data || splash.failed_loading) {
|
||
return null;
|
||
}
|
||
if ("runner" in game_data) {
|
||
runner = new game_data.runner(canvas, game_data);
|
||
resizeCanvas(canvas, 1, game_data.nativeResolution, game_data.aspectRatio);
|
||
runner.onStarted(function () {
|
||
splash.finished_loading = true;
|
||
splash.hide();
|
||
});
|
||
runner.onReset(function () {
|
||
if (muted) {
|
||
runner.mute();
|
||
}
|
||
});
|
||
runner.start();
|
||
}
|
||
});
|
||
return this;
|
||
};
|
||
this.start = start;
|
||
|
||
var init_module = function(args, fs, locateAdditionalJS, nativeResolution, aspectRatio) {
|
||
return { arguments: args,
|
||
screenIsReadOnly: true,
|
||
print: function (text) { console.log(text); },
|
||
canvas: canvas,
|
||
noInitialRun: false,
|
||
locateFile: locateAdditionalJS,
|
||
preInit: function () {
|
||
splash.setTitle("Loading game file(s) into file system");
|
||
// Re-initialize BFS to just use the writable in-memory storage.
|
||
BrowserFS.initialize(fs);
|
||
var BFS = new BrowserFS.EmscriptenFS();
|
||
// Mount the file system into Emscripten.
|
||
FS.mkdir('/emulator');
|
||
FS.mount(BFS, {root: '/'}, '/emulator');
|
||
splash.finished_loading = true;
|
||
splash.hide();
|
||
setTimeout(function () {
|
||
resizeCanvas(canvas,
|
||
scale = scale || scale,
|
||
css_resolution = nativeResolution || css_resolution,
|
||
aspectRatio = aspectRatio || aspectRatio);
|
||
});
|
||
if (callbacks && callbacks.before_run) {
|
||
window.setTimeout(function() { callbacks.before_run(); }, 0);
|
||
}
|
||
}
|
||
};
|
||
};
|
||
|
||
var formatSize = function (event) {
|
||
if (event.lengthComputable)
|
||
return "("+ (event.total ? (event.loaded / event.total * 100).toFixed(0)
|
||
: "100") +
|
||
"%; "+ formatBytes(event.loaded) +
|
||
" of "+ formatBytes(event.total) +")";
|
||
return "("+ formatBytes(event.loaded) +")";
|
||
};
|
||
|
||
var formatBytes = function (bytes, base10) {
|
||
if (bytes === 0)
|
||
return "0 B";
|
||
var unit = base10 ? 1000 : 1024,
|
||
units = base10 ? ["B", "kB","MB","GB","TB","PB","EB","ZB","YB"]
|
||
: ["B", "KiB","MiB","GiB","TiB","PiB","EiB","ZiB","YiB"],
|
||
exp = parseInt((Math.log(bytes) / Math.log(unit))),
|
||
size = bytes / Math.pow(unit, exp);
|
||
return size.toFixed(1) +' '+ units[exp];
|
||
};
|
||
|
||
var fetch_file = function (title, url, rt, optional) {
|
||
var row = addRow(splash.table);
|
||
var titleCell = row[0], statusCell = row[1];
|
||
titleCell.textContent = title;
|
||
return new Promise(function (resolve, reject) {
|
||
var xhr = new XMLHttpRequest();
|
||
xhr.open('GET', url, true);
|
||
xhr.responseType = rt || 'arraybuffer';
|
||
xhr.onprogress = function (e) {
|
||
titleCell.innerHTML = title +" <span style=\"font-size: smaller\">"+ formatSize(e) +"</span>";
|
||
};
|
||
xhr.onload = function (e) {
|
||
if (xhr.status === 200) {
|
||
success();
|
||
resolve(xhr.response);
|
||
} else if (optional) {
|
||
success();
|
||
resolve(null);
|
||
} else {
|
||
failure();
|
||
reject();
|
||
}
|
||
};
|
||
xhr.onerror = function (e) {
|
||
if (optional) {
|
||
success();
|
||
resolve(null);
|
||
} else {
|
||
failure();
|
||
reject();
|
||
}
|
||
};
|
||
function success() {
|
||
statusCell.textContent = "✔";
|
||
titleCell.textContent = title;
|
||
titleCell.style.fontWeight = 'bold';
|
||
titleCell.parentNode.style.backgroundColor = splash.getColor('foreground');
|
||
titleCell.parentNode.style.color = splash.getColor('background');
|
||
}
|
||
function failure() {
|
||
statusCell.textContent = "✘";
|
||
titleCell.textContent = title;
|
||
titleCell.style.fontWeight = 'bold';
|
||
titleCell.parentNode.style.backgroundColor = splash.getColor('failure');
|
||
titleCell.parentNode.style.color = splash.getColor('background');
|
||
}
|
||
xhr.send();
|
||
});
|
||
};
|
||
|
||
function keyevent(resolve) {
|
||
return function (e) {
|
||
if (e.which == 32) {
|
||
e.preventDefault();
|
||
resolve();
|
||
}
|
||
};
|
||
};
|
||
|
||
var resizeCanvas = function (canvas, scale, resolution, aspectRatio) {
|
||
if (scale && resolution) {
|
||
// optimizeSpeed is the standardized value. different
|
||
// browsers support different values; they will all ignore
|
||
// values that they don't understand.
|
||
canvas.style.imageRendering = '-moz-crisp-edges';
|
||
canvas.style.imageRendering = '-o-crisp-edges';
|
||
canvas.style.imageRendering = '-webkit-optimize-contrast';
|
||
canvas.style.imageRendering = 'optimize-contrast';
|
||
canvas.style.imageRendering = 'crisp-edges';
|
||
canvas.style.imageRendering = 'pixelated';
|
||
canvas.style.imageRendering = 'optimizeSpeed';
|
||
|
||
canvas.style.width = resolution.width * scale +'px';
|
||
canvas.style.height = resolution.height * scale +'px';
|
||
canvas.width = resolution.width;
|
||
canvas.height = resolution.height;
|
||
}
|
||
};
|
||
|
||
var clearCanvas = function () {
|
||
var context = canvas.getContext('2d');
|
||
context.fillStyle = splash.getColor('background');
|
||
context.fillRect(0, 0, canvas.width, canvas.height);
|
||
console.log("canvas cleared");
|
||
};
|
||
|
||
function setupSplash(canvas, splash) {
|
||
splash.splashElt = document.getElementById("emularity-splash-screen");
|
||
if (!splash.splashElt) {
|
||
splash.splashElt = document.createElement('div');
|
||
splash.splashElt.setAttribute('id', "emularity-splash-screen");
|
||
splash.splashElt.style.position = 'absolute';
|
||
splash.splashElt.style.top = canvas.offsetTop +'px';
|
||
splash.splashElt.style.left = canvas.offsetLeft +'px';
|
||
splash.splashElt.style.width = canvas.offsetWidth +'px';
|
||
splash.splashElt.style.color = splash.getColor('foreground');
|
||
splash.splashElt.style.backgroundColor = splash.getColor('background');
|
||
canvas.parentElement.appendChild(splash.splashElt);
|
||
}
|
||
|
||
splash.splashimg.setAttribute('id', "emularity-splash-image");
|
||
splash.splashimg.style.display = 'block';
|
||
splash.splashimg.style.marginLeft = 'auto';
|
||
splash.splashimg.style.marginRight = 'auto';
|
||
splash.splashElt.appendChild(splash.splashimg);
|
||
|
||
splash.titleElt = document.createElement('span');
|
||
splash.titleElt.setAttribute('id', "emularity-splash-title");
|
||
splash.titleElt.style.display = 'block';
|
||
splash.titleElt.style.width = '100%';
|
||
splash.titleElt.style.marginTop = "1em";
|
||
splash.titleElt.style.marginBottom = "1em";
|
||
splash.titleElt.style.textAlign = 'center';
|
||
splash.titleElt.style.font = "24px sans-serif";
|
||
splash.titleElt.textContent = " ";
|
||
splash.splashElt.appendChild(splash.titleElt);
|
||
|
||
var table = document.getElementById("dosbox-progress-indicator");
|
||
if (!table) {
|
||
table = document.createElement('table');
|
||
table.setAttribute('id', "dosbox-progress-indicator");
|
||
table.style.width = "75%";
|
||
table.style.color = splash.getColor('foreground');
|
||
table.style.backgroundColor = splash.getColor('background');
|
||
table.style.marginLeft = 'auto';
|
||
table.style.marginRight = 'auto';
|
||
table.style.borderCollapse = 'separate';
|
||
table.style.borderSpacing = "2px";
|
||
splash.splashElt.appendChild(table);
|
||
}
|
||
splash.table = table;
|
||
}
|
||
|
||
splash.setTitle = function (title) {
|
||
splash.titleElt.textContent = title;
|
||
};
|
||
|
||
splash.hide = function () {
|
||
splash.splashElt.style.display = 'none';
|
||
};
|
||
|
||
splash.getColor = function (name) {
|
||
return name in splash.colors ? splash.colors[name]
|
||
: defaultSplashColors[name];
|
||
};
|
||
|
||
var addRow = function (table) {
|
||
var row = table.insertRow(-1);
|
||
row.style.textAlign = 'center';
|
||
var cell = row.insertCell(-1);
|
||
cell.style.position = 'relative';
|
||
var titleCell = document.createElement('span');
|
||
titleCell.textContent = '—';
|
||
titleCell.style.verticalAlign = 'center';
|
||
titleCell.style.minHeight = "24px";
|
||
titleCell.style.whiteSpace = "nowrap";
|
||
cell.appendChild(titleCell);
|
||
var statusCell = document.createElement('span');
|
||
statusCell.style.position = 'absolute';
|
||
statusCell.style.left = "0";
|
||
statusCell.style.paddingLeft = "0.5em";
|
||
cell.appendChild(statusCell);
|
||
return [titleCell, statusCell];
|
||
};
|
||
|
||
var drawsplash = function () {
|
||
canvas.setAttribute('moz-opaque', '');
|
||
if (!splash.splashimg.src) {
|
||
splash.splashimg.src = "logo/emularity_color_small.png";
|
||
}
|
||
};
|
||
|
||
function attach_script(js_url) {
|
||
return new Promise(function (resolve, reject) {
|
||
var newScript;
|
||
function loaded(e) {
|
||
if (e.target == newScript) {
|
||
newScript.removeEventListener("load", loaded);
|
||
newScript.removeEventListener("error", failed);
|
||
resolve();
|
||
}
|
||
}
|
||
function failed(e) {
|
||
if (e.target == newScript) {
|
||
newScript.removeEventListener("load", loaded);
|
||
newScript.removeEventListener("error", failed);
|
||
reject();
|
||
}
|
||
}
|
||
if (js_url) {
|
||
var head = document.getElementsByTagName('head')[0];
|
||
newScript = document.createElement('script');
|
||
newScript.addEventListener("load", loaded);
|
||
newScript.addEventListener("error", failed);
|
||
newScript.type = 'text/javascript';
|
||
newScript.src = js_url;
|
||
head.appendChild(newScript);
|
||
}
|
||
});
|
||
}
|
||
|
||
function getpointerlockenabler() {
|
||
return canvas.requestPointerLock || canvas.mozRequestPointerLock || canvas.webkitRequestPointerLock;
|
||
}
|
||
|
||
function getfullscreenenabler() {
|
||
return canvas.webkitRequestFullScreen || canvas.mozRequestFullScreen || canvas.requestFullScreen;
|
||
}
|
||
|
||
this.isfullscreensupported = function () {
|
||
return !!(getfullscreenenabler());
|
||
};
|
||
|
||
function setupFullScreen() {
|
||
var self = this;
|
||
var fullScreenChangeHandler = function() {
|
||
if (!(document.mozFullScreenElement || document.fullScreenElement)) {
|
||
resizeCanvas(canvas, scale, css_resolution, aspectRatio);
|
||
}
|
||
};
|
||
if ('onfullscreenchange' in document) {
|
||
document.addEventListener('fullscreenchange', fullScreenChangeHandler);
|
||
} else if ('onmozfullscreenchange' in document) {
|
||
document.addEventListener('mozfullscreenchange', fullScreenChangeHandler);
|
||
} else if ('onwebkitfullscreenchange' in document) {
|
||
document.addEventListener('webkitfullscreenchange', fullScreenChangeHandler);
|
||
}
|
||
};
|
||
|
||
this.requestFullScreen = function () {
|
||
Module.requestFullScreen(1, 0);
|
||
};
|
||
|
||
/**
|
||
* Prevents page navigation keys such as page up/page down from
|
||
* moving the page while the user is playing.
|
||
*/
|
||
function blockSomeKeys() {
|
||
function keypress (e) {
|
||
if (e.which >= 33 && e.which <= 40) {
|
||
e.preventDefault();
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
window.onkeydown = keypress;
|
||
}
|
||
|
||
/**
|
||
* Disables the right click menu for the given element.
|
||
*/
|
||
function disableRightClickContextMenu(element) {
|
||
element.addEventListener('contextmenu',
|
||
function (e) {
|
||
if (e.button == 2) {
|
||
// Block right-click menu thru preventing default action.
|
||
e.preventDefault();
|
||
}
|
||
});
|
||
}
|
||
};
|
||
|
||
/**
|
||
* misc
|
||
*/
|
||
function BFSOpenZip(loadedData) {
|
||
return new BrowserFS.FileSystem.ZipFS(loadedData);
|
||
};
|
||
|
||
// This is such a hack. We're not calling the BrowserFS api
|
||
// "correctly", so we have to synthesize these flags ourselves
|
||
var flag_r = { isReadable: function() { return true; },
|
||
isWriteable: function() { return false; },
|
||
isTruncating: function() { return false; },
|
||
isAppendable: function() { return false; },
|
||
isSynchronous: function() { return false; },
|
||
isExclusive: function() { return false; },
|
||
pathExistsAction: function() { return 0; },
|
||
pathNotExistsAction: function() { return 1; }
|
||
};
|
||
var flag_w = { isReadable: function() { return false; },
|
||
isWriteable: function() { return true; },
|
||
isTruncating: function() { return false; },
|
||
isAppendable: function() { return false; },
|
||
isSynchronous: function() { return false; },
|
||
isExclusive: function() { return false; },
|
||
pathExistsAction: function() { return 0; },
|
||
pathNotExistsAction: function() { return 3; }
|
||
};
|
||
|
||
/**
|
||
* Searches for dosbox.conf, and moves it to '/dosbox.conf' so dosbox uses it.
|
||
*/
|
||
function moveConfigToRoot(fs) {
|
||
var dosboxConfPath = null;
|
||
// Recursively search for dosbox.conf.
|
||
function searchDirectory(dirPath) {
|
||
fs.readdirSync(dirPath).forEach(function(item) {
|
||
if (dosboxConfPath) {
|
||
return;
|
||
}
|
||
// Avoid infinite recursion by ignoring these entries, which exist at
|
||
// the root.
|
||
if (item === '.' || item === '..') {
|
||
return;
|
||
}
|
||
// Append '/' between dirPath and the item's name... unless dirPath
|
||
// already ends in it (which always occurs if dirPath is the root, '/').
|
||
var itemPath = dirPath + (dirPath[dirPath.length - 1] !== '/' ? "/" : "") + item,
|
||
itemStat = fs.statSync(itemPath);
|
||
if (itemStat.isDirectory(itemStat.mode)) {
|
||
searchDirectory(itemPath);
|
||
} else if (item === 'dosbox.conf') {
|
||
dosboxConfPath = itemPath;
|
||
}
|
||
});
|
||
}
|
||
|
||
searchDirectory('/');
|
||
|
||
if (dosboxConfPath !== null) {
|
||
fs.writeFileSync('/dosbox.conf',
|
||
fs.readFileSync(dosboxConfPath, null, flag_r),
|
||
null, flag_w, 0x1a4);
|
||
}
|
||
};
|
||
|
||
function extend(a, b) {
|
||
if (a === null)
|
||
return b;
|
||
if (b === null)
|
||
return a;
|
||
var ta = typeof a,
|
||
tb = typeof b;
|
||
if (ta !== tb) {
|
||
if (ta === 'undefined')
|
||
return b;
|
||
if (tb === 'undefined')
|
||
return a;
|
||
throw new Error("Cannot extend an "+ ta +" with an "+ tb);
|
||
}
|
||
if (Array.isArray(a))
|
||
return a.concat(b);
|
||
if (ta === 'object') {
|
||
Object.keys(b).forEach(function (k) {
|
||
a[k] = extend(k in a ? a[k] : undefined, b[k]);
|
||
});
|
||
return a;
|
||
}
|
||
return b;
|
||
}
|
||
|
||
function dict_from_xml(xml) {
|
||
if (xml instanceof XMLDocument) {
|
||
xml = xml.documentElement;
|
||
}
|
||
var dict = {};
|
||
var len = xml.childNodes.length, i;
|
||
for (i = 0; i < len; i++) {
|
||
var node = xml.childNodes[i];
|
||
dict[node.nodeName] = node.textContent;
|
||
}
|
||
return dict;
|
||
}
|
||
|
||
function list_from_xml(xml) {
|
||
if (xml instanceof XMLDocument) {
|
||
xml = xml.documentElement;
|
||
}
|
||
return Array.prototype.slice.call(xml.childNodes);
|
||
}
|
||
|
||
window.IALoader = IALoader;
|
||
window.DosBoxLoader = DosBoxLoader;
|
||
window.JSMESSLoader = MAMELoader; // depreciated; just for backwards compatibility
|
||
window.JSMAMELoader = MAMELoader; // ditto
|
||
window.MAMELoader = MAMELoader;
|
||
window.SAELoader = SAELoader;
|
||
window.Emulator = Emulator;
|
||
})(typeof Promise === 'undefined' ? ES6Promise.Promise : Promise);
|
||
|
||
// legacy
|
||
var JSMESS = JSMESS || {};
|
||
JSMESS.ready = function (f) { f(); };
|