370 lines
11 KiB
JavaScript
370 lines
11 KiB
JavaScript
/*************************************************************************/
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/* library_godot_os.js */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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const IDHandler = {
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$IDHandler: {
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_last_id: 0,
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_references: {},
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get: function (p_id) {
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return IDHandler._references[p_id];
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},
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add: function (p_data) {
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const id = ++IDHandler._last_id;
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IDHandler._references[id] = p_data;
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return id;
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},
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remove: function (p_id) {
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delete IDHandler._references[p_id];
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},
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},
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};
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autoAddDeps(IDHandler, '$IDHandler');
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mergeInto(LibraryManager.library, IDHandler);
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const GodotConfig = {
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$GodotConfig__postset: 'Module["initConfig"] = GodotConfig.init_config;',
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$GodotConfig__deps: ['$GodotRuntime'],
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$GodotConfig: {
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canvas: null,
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locale: 'en',
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canvas_resize_policy: 2, // Adaptive
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virtual_keyboard: false,
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persistent_drops: false,
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on_execute: null,
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on_exit: null,
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init_config: function (p_opts) {
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GodotConfig.canvas_resize_policy = p_opts['canvasResizePolicy'];
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GodotConfig.canvas = p_opts['canvas'];
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GodotConfig.locale = p_opts['locale'] || GodotConfig.locale;
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GodotConfig.virtual_keyboard = p_opts['virtualKeyboard'];
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GodotConfig.persistent_drops = !!p_opts['persistentDrops'];
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GodotConfig.on_execute = p_opts['onExecute'];
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GodotConfig.on_exit = p_opts['onExit'];
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if (p_opts['focusCanvas']) {
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GodotConfig.canvas.focus();
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}
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},
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locate_file: function (file) {
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return Module['locateFile'](file); // eslint-disable-line no-undef
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},
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clear: function () {
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GodotConfig.canvas = null;
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GodotConfig.locale = 'en';
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GodotConfig.canvas_resize_policy = 2;
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GodotConfig.virtual_keyboard = false;
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GodotConfig.persistent_drops = false;
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GodotConfig.on_execute = null;
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GodotConfig.on_exit = null;
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},
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},
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godot_js_config_canvas_id_get__sig: 'vii',
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godot_js_config_canvas_id_get: function (p_ptr, p_ptr_max) {
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GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max);
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},
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godot_js_config_locale_get__sig: 'vii',
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godot_js_config_locale_get: function (p_ptr, p_ptr_max) {
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GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max);
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},
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};
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autoAddDeps(GodotConfig, '$GodotConfig');
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mergeInto(LibraryManager.library, GodotConfig);
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const GodotFS = {
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$GodotFS__deps: ['$ERRNO_CODES', '$FS', '$IDBFS', '$GodotRuntime'],
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$GodotFS__postset: [
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'Module["initFS"] = GodotFS.init;',
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'Module["copyToFS"] = GodotFS.copy_to_fs;',
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].join(''),
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$GodotFS: {
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_idbfs: false,
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_syncing: false,
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_mount_points: [],
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is_persistent: function () {
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return GodotFS._idbfs ? 1 : 0;
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},
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// Initialize godot file system, setting up persistent paths.
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// Returns a promise that resolves when the FS is ready.
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// We keep track of mount_points, so that we can properly close the IDBFS
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// since emscripten is not doing it by itself. (emscripten GH#12516).
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init: function (persistentPaths) {
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GodotFS._idbfs = false;
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if (!Array.isArray(persistentPaths)) {
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return Promise.reject(new Error('Persistent paths must be an array'));
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}
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if (!persistentPaths.length) {
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return Promise.resolve();
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}
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GodotFS._mount_points = persistentPaths.slice();
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function createRecursive(dir) {
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try {
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FS.stat(dir);
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} catch (e) {
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if (e.errno !== ERRNO_CODES.ENOENT) {
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throw e;
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}
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FS.mkdirTree(dir);
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}
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}
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GodotFS._mount_points.forEach(function (path) {
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createRecursive(path);
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FS.mount(IDBFS, {}, path);
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});
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return new Promise(function (resolve, reject) {
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FS.syncfs(true, function (err) {
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if (err) {
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GodotFS._mount_points = [];
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GodotFS._idbfs = false;
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GodotRuntime.print(`IndexedDB not available: ${err.message}`);
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} else {
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GodotFS._idbfs = true;
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}
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resolve(err);
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});
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});
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},
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// Deinit godot file system, making sure to unmount file systems, and close IDBFS(s).
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deinit: function () {
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GodotFS._mount_points.forEach(function (path) {
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try {
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FS.unmount(path);
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} catch (e) {
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GodotRuntime.print('Already unmounted', e);
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}
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if (GodotFS._idbfs && IDBFS.dbs[path]) {
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IDBFS.dbs[path].close();
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delete IDBFS.dbs[path];
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}
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});
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GodotFS._mount_points = [];
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GodotFS._idbfs = false;
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GodotFS._syncing = false;
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},
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sync: function () {
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if (GodotFS._syncing) {
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GodotRuntime.error('Already syncing!');
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return Promise.resolve();
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}
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GodotFS._syncing = true;
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return new Promise(function (resolve, reject) {
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FS.syncfs(false, function (error) {
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if (error) {
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GodotRuntime.error(`Failed to save IDB file system: ${error.message}`);
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}
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GodotFS._syncing = false;
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resolve(error);
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});
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});
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},
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// Copies a buffer to the internal file system. Creating directories recursively.
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copy_to_fs: function (path, buffer) {
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const idx = path.lastIndexOf('/');
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let dir = '/';
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if (idx > 0) {
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dir = path.slice(0, idx);
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}
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try {
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FS.stat(dir);
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} catch (e) {
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if (e.errno !== ERRNO_CODES.ENOENT) {
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throw e;
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}
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FS.mkdirTree(dir);
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}
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FS.writeFile(path, new Uint8Array(buffer));
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},
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},
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};
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mergeInto(LibraryManager.library, GodotFS);
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const GodotOS = {
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$GodotOS__deps: ['$GodotRuntime', '$GodotConfig', '$GodotFS'],
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$GodotOS__postset: [
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'Module["request_quit"] = function() { GodotOS.request_quit() };',
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'Module["onExit"] = GodotOS.cleanup;',
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'GodotOS._fs_sync_promise = Promise.resolve();',
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].join(''),
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$GodotOS: {
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request_quit: function () {},
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_async_cbs: [],
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_fs_sync_promise: null,
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atexit: function (p_promise_cb) {
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GodotOS._async_cbs.push(p_promise_cb);
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},
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cleanup: function (exit_code) {
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const cb = GodotConfig.on_exit;
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GodotFS.deinit();
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GodotConfig.clear();
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if (cb) {
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cb(exit_code);
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}
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},
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finish_async: function (callback) {
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GodotOS._fs_sync_promise.then(function (err) {
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const promises = [];
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GodotOS._async_cbs.forEach(function (cb) {
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promises.push(new Promise(cb));
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});
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return Promise.all(promises);
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}).then(function () {
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return GodotFS.sync(); // Final FS sync.
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}).then(function (err) {
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// Always deferred.
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setTimeout(function () {
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callback();
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}, 0);
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});
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},
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},
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godot_js_os_finish_async__sig: 'vi',
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godot_js_os_finish_async: function (p_callback) {
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const func = GodotRuntime.get_func(p_callback);
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GodotOS.finish_async(func);
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},
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godot_js_os_request_quit_cb__sig: 'vi',
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godot_js_os_request_quit_cb: function (p_callback) {
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GodotOS.request_quit = GodotRuntime.get_func(p_callback);
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},
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godot_js_os_fs_is_persistent__sig: 'i',
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godot_js_os_fs_is_persistent: function () {
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return GodotFS.is_persistent();
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},
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godot_js_os_fs_sync__sig: 'vi',
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godot_js_os_fs_sync: function (callback) {
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const func = GodotRuntime.get_func(callback);
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GodotOS._fs_sync_promise = GodotFS.sync();
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GodotOS._fs_sync_promise.then(function (err) {
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func();
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});
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},
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godot_js_os_execute__sig: 'ii',
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godot_js_os_execute: function (p_json) {
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const json_args = GodotRuntime.parseString(p_json);
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const args = JSON.parse(json_args);
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if (GodotConfig.on_execute) {
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GodotConfig.on_execute(args);
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return 0;
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}
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return 1;
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},
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godot_js_os_shell_open__sig: 'vi',
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godot_js_os_shell_open: function (p_uri) {
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window.open(GodotRuntime.parseString(p_uri), '_blank');
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},
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godot_js_os_hw_concurrency_get__sig: 'i',
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godot_js_os_hw_concurrency_get: function () {
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return navigator.hardwareConcurrency || 1;
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},
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godot_js_os_download_buffer__sig: 'viiii',
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godot_js_os_download_buffer: function (p_ptr, p_size, p_name, p_mime) {
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const buf = GodotRuntime.heapSlice(HEAP8, p_ptr, p_size);
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const name = GodotRuntime.parseString(p_name);
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const mime = GodotRuntime.parseString(p_mime);
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const blob = new Blob([buf], { type: mime });
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const url = window.URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = name;
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a.style.display = 'none';
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document.body.appendChild(a);
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a.click();
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a.remove();
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window.URL.revokeObjectURL(url);
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},
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};
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autoAddDeps(GodotOS, '$GodotOS');
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mergeInto(LibraryManager.library, GodotOS);
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/*
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* Godot event listeners.
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* Keeps track of registered event listeners so it can remove them on shutdown.
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*/
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const GodotEventListeners = {
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$GodotEventListeners__deps: ['$GodotOS'],
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$GodotEventListeners__postset: 'GodotOS.atexit(function(resolve, reject) { GodotEventListeners.clear(); resolve(); });',
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$GodotEventListeners: {
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handlers: [],
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has: function (target, event, method, capture) {
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return GodotEventListeners.handlers.findIndex(function (e) {
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return e.target === target && e.event === event && e.method === method && e.capture === capture;
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}) !== -1;
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},
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add: function (target, event, method, capture) {
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if (GodotEventListeners.has(target, event, method, capture)) {
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return;
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}
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function Handler(p_target, p_event, p_method, p_capture) {
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this.target = p_target;
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this.event = p_event;
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this.method = p_method;
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this.capture = p_capture;
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}
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GodotEventListeners.handlers.push(new Handler(target, event, method, capture));
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target.addEventListener(event, method, capture);
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},
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clear: function () {
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GodotEventListeners.handlers.forEach(function (h) {
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h.target.removeEventListener(h.event, h.method, h.capture);
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});
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GodotEventListeners.handlers.length = 0;
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},
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},
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};
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mergeInto(LibraryManager.library, GodotEventListeners);
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