129 lines
3.2 KiB
TypeScript
129 lines
3.2 KiB
TypeScript
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window['Javatari'].AUTO_START = false;
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import { PLATFORMS } from "./emu";
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import { Platform } from "./baseplatform";
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import { stringToByteArray, getWithBinary } from "./util";
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export var platform_id : string; // platform ID string
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export var platform : Platform; // platform object
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// external libs (TODO)
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declare var ga, lzgmini;
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var _qs = (function (a) {
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if (!a || a.length == 0)
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return {};
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var b = {};
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for (var i = 0; i < a.length; ++i) {
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var p = a[i].split('=', 2);
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if (p.length == 1)
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b[p[0]] = "";
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else
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b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
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}
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return b;
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})(window.location.search.substr(1).split('&'));
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// catch errors
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function installErrorHandler() {
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if (typeof window.onerror == "object") {
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window.onerror = function (msgevent, url, line, col, error) {
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ga('send', 'exception', {
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'exDescription': msgevent + " " + url + " " + " " + line + ":" + col + ", " + error,
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'exFatal': true
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});
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//alert(msgevent+"");
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};
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}
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}
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function uninstallErrorHandler() {
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window.onerror = null;
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}
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function addPageFocusHandlers() {
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var hidden = false;
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document.addEventListener("visibilitychange", function() {
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if (document.visibilityState == 'hidden' && platform.isRunning()) {
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platform.pause();
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hidden = true;
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} else if (document.visibilityState == 'visible' && hidden) {
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platform.resume();
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hidden = false;
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}
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});
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$(window).on("focus", function() {
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if (hidden) {
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platform.resume();
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hidden = false;
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}
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});
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$(window).on("blur", function() {
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if (platform.isRunning()) {
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platform.pause();
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hidden = true;
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}
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});
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}
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function startROM(title, rom) {
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if (!rom ) {
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alert("No ROM found.");
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return;
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}
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console.log(rom.length + ' bytes');
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platform.loadROM(title, rom);
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platform.resume();
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}
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function startPlatform(qs) {
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if (!PLATFORMS[platform_id]) throw Error("Invalid platform '" + platform_id + "'.");
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platform = new PLATFORMS[platform_id]($("#emulator")[0]);
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platform.start();
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var title = qs['n'] || 'Game';
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var rom : Uint8Array;
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var romurl = qs['url'];
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var lzgvar = qs['r'];
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if (romurl) {
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// load rom url remotely
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console.log(romurl);
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getWithBinary(romurl, (data) => {
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startROM(title, data);
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}, 'arraybuffer');
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return true;
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} else if (lzgvar) {
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// decompress from lzg
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var lzgrom = stringToByteArray(atob(lzgvar));
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rom = new lzgmini().decode(lzgrom);
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}
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startROM(title, rom);
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return true;
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}
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function loadPlatform(qs) {
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if (qs.data) qs = qs.data;
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platform_id = qs['p'];
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if (!platform_id) throw('No platform variable!');
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var scriptfn = 'gen/platform/' + platform_id.split(/[.-]/)[0] + '.js';
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loadScript(scriptfn, () => {
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console.log("loaded platform", platform_id);
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startPlatform(qs);
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});
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}
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function loadScript(scriptfn, onload) {
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var script = document.createElement('script');
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script.onload = onload;
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script.src = scriptfn;
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document.getElementsByTagName('head')[0].appendChild(script);
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}
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// start
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export function startEmbed() {
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installErrorHandler();
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window.addEventListener("message", loadPlatform, false);
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if (_qs['p']) loadPlatform(_qs);
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}
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