diff options
Diffstat (limited to 'platform/javascript/js/libs')
| -rw-r--r-- | platform/javascript/js/libs/audio.worklet.js | 186 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_audio.js | 362 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_display.js | 853 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_editor_tools.js | 57 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_eval.js | 86 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_http_request.js | 142 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_os.js | 304 | ||||
| -rw-r--r-- | platform/javascript/js/libs/library_godot_runtime.js | 120 |
8 files changed, 2110 insertions, 0 deletions
diff --git a/platform/javascript/js/libs/audio.worklet.js b/platform/javascript/js/libs/audio.worklet.js new file mode 100644 index 0000000000..6b3f80c6a9 --- /dev/null +++ b/platform/javascript/js/libs/audio.worklet.js @@ -0,0 +1,186 @@ +/*************************************************************************/ +/* audio.worklet.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +class RingBuffer { + constructor(p_buffer, p_state) { + this.buffer = p_buffer; + this.avail = p_state; + this.rpos = 0; + this.wpos = 0; + } + + data_left() { + return Atomics.load(this.avail, 0); + } + + space_left() { + return this.buffer.length - this.data_left(); + } + + read(output) { + const size = this.buffer.length; + let from = 0; + let to_write = output.length; + if (this.rpos + to_write > size) { + const high = size - this.rpos; + output.set(this.buffer.subarray(this.rpos, size)); + from = high; + to_write -= high; + this.rpos = 0; + } + output.set(this.buffer.subarray(this.rpos, this.rpos + to_write), from); + this.rpos += to_write; + Atomics.add(this.avail, 0, -output.length); + Atomics.notify(this.avail, 0); + } + + write(p_buffer) { + const to_write = p_buffer.length; + const mw = this.buffer.length - this.wpos; + if (mw >= to_write) { + this.buffer.set(p_buffer, this.wpos); + } else { + const high = p_buffer.subarray(0, to_write - mw); + const low = p_buffer.subarray(to_write - mw); + this.buffer.set(high, this.wpos); + this.buffer.set(low); + } + let diff = to_write; + if (this.wpos + diff >= this.buffer.length) { + diff -= this.buffer.length; + } + this.wpos += diff; + Atomics.add(this.avail, 0, to_write); + Atomics.notify(this.avail, 0); + } +} + +class GodotProcessor extends AudioWorkletProcessor { + constructor() { + super(); + this.running = true; + this.lock = null; + this.notifier = null; + this.output = null; + this.output_buffer = new Float32Array(); + this.input = null; + this.input_buffer = new Float32Array(); + this.port.onmessage = (event) => { + const cmd = event.data['cmd']; + const data = event.data['data']; + this.parse_message(cmd, data); + }; + } + + process_notify() { + Atomics.add(this.notifier, 0, 1); + Atomics.notify(this.notifier, 0); + } + + parse_message(p_cmd, p_data) { + if (p_cmd === 'start' && p_data) { + const state = p_data[0]; + let idx = 0; + this.lock = state.subarray(idx, ++idx); + this.notifier = state.subarray(idx, ++idx); + const avail_in = state.subarray(idx, ++idx); + const avail_out = state.subarray(idx, ++idx); + this.input = new RingBuffer(p_data[1], avail_in); + this.output = new RingBuffer(p_data[2], avail_out); + } else if (p_cmd === 'stop') { + this.runing = false; + this.output = null; + this.input = null; + } + } + + static array_has_data(arr) { + return arr.length && arr[0].length && arr[0][0].length; + } + + process(inputs, outputs, parameters) { + if (!this.running) { + return false; // Stop processing. + } + if (this.output === null) { + return true; // Not ready yet, keep processing. + } + const process_input = GodotProcessor.array_has_data(inputs); + if (process_input) { + const input = inputs[0]; + const chunk = input[0].length * input.length; + if (this.input_buffer.length !== chunk) { + this.input_buffer = new Float32Array(chunk); + } + if (this.input.space_left() >= chunk) { + GodotProcessor.write_input(this.input_buffer, input); + this.input.write(this.input_buffer); + } else { + this.port.postMessage('Input buffer is full! Skipping input frame.'); + } + } + const process_output = GodotProcessor.array_has_data(outputs); + if (process_output) { + const output = outputs[0]; + const chunk = output[0].length * output.length; + if (this.output_buffer.length !== chunk) { + this.output_buffer = new Float32Array(chunk); + } + if (this.output.data_left() >= chunk) { + this.output.read(this.output_buffer); + GodotProcessor.write_output(output, this.output_buffer); + } else { + this.port.postMessage('Output buffer has not enough frames! Skipping output frame.'); + } + } + this.process_notify(); + return true; + } + + static write_output(dest, source) { + const channels = dest.length; + for (let ch = 0; ch < channels; ch++) { + for (let sample = 0; sample < dest[ch].length; sample++) { + dest[ch][sample] = source[sample * channels + ch]; + } + } + } + + static write_input(dest, source) { + const channels = source.length; + for (let ch = 0; ch < channels; ch++) { + for (let sample = 0; sample < source[ch].length; sample++) { + dest[sample * channels + ch] = source[ch][sample]; + } + } + } +} + +registerProcessor('godot-processor', GodotProcessor); diff --git a/platform/javascript/js/libs/library_godot_audio.js b/platform/javascript/js/libs/library_godot_audio.js new file mode 100644 index 0000000000..8e385e9176 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_audio.js @@ -0,0 +1,362 @@ +/*************************************************************************/ +/* library_godot_audio.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotAudio = { + $GodotAudio__deps: ['$GodotRuntime', '$GodotOS'], + $GodotAudio: { + ctx: null, + input: null, + driver: null, + interval: 0, + + init: function (mix_rate, latency, onstatechange, onlatencyupdate) { + const ctx = new (window.AudioContext || window.webkitAudioContext)({ + sampleRate: mix_rate, + // latencyHint: latency / 1000 // Do not specify, leave 'interactive' for good performance. + }); + GodotAudio.ctx = ctx; + ctx.onstatechange = function () { + let state = 0; + switch (ctx.state) { + case 'suspended': + state = 0; + break; + case 'running': + state = 1; + break; + case 'closed': + state = 2; + break; + + // no default + } + onstatechange(state); + }; + ctx.onstatechange(); // Immeditately notify state. + // Update computed latency + GodotAudio.interval = setInterval(function () { + let computed_latency = 0; + if (ctx.baseLatency) { + computed_latency += GodotAudio.ctx.baseLatency; + } + if (ctx.outputLatency) { + computed_latency += GodotAudio.ctx.outputLatency; + } + onlatencyupdate(computed_latency); + }, 1000); + GodotOS.atexit(GodotAudio.close_async); + return ctx.destination.channelCount; + }, + + create_input: function (callback) { + if (GodotAudio.input) { + return 0; // Already started. + } + function gotMediaInput(stream) { + try { + GodotAudio.input = GodotAudio.ctx.createMediaStreamSource(stream); + callback(GodotAudio.input); + } catch (e) { + GodotRuntime.error('Failed creaating input.', e); + } + } + if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { + navigator.mediaDevices.getUserMedia({ + 'audio': true, + }).then(gotMediaInput, function (e) { + GodotRuntime.error('Error getting user media.', e); + }); + } else { + if (!navigator.getUserMedia) { + navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia; + } + if (!navigator.getUserMedia) { + GodotRuntime.error('getUserMedia not available.'); + return 1; + } + navigator.getUserMedia({ + 'audio': true, + }, gotMediaInput, function (e) { + GodotRuntime.print(e); + }); + } + return 0; + }, + + close_async: function (resolve, reject) { + const ctx = GodotAudio.ctx; + GodotAudio.ctx = null; + // Audio was not initialized. + if (!ctx) { + resolve(); + return; + } + // Remove latency callback + if (GodotAudio.interval) { + clearInterval(GodotAudio.interval); + GodotAudio.interval = 0; + } + // Disconnect input, if it was started. + if (GodotAudio.input) { + GodotAudio.input.disconnect(); + GodotAudio.input = null; + } + // Disconnect output + let closed = Promise.resolve(); + if (GodotAudio.driver) { + closed = GodotAudio.driver.close(); + } + closed.then(function () { + return ctx.close(); + }).then(function () { + ctx.onstatechange = null; + resolve(); + }).catch(function (e) { + ctx.onstatechange = null; + GodotRuntime.error('Error closing AudioContext', e); + resolve(); + }); + }, + }, + + godot_audio_is_available__sig: 'i', + godot_audio_is_available__proxy: 'sync', + godot_audio_is_available: function () { + if (!(window.AudioContext || window.webkitAudioContext)) { + return 0; + } + return 1; + }, + + godot_audio_init__sig: 'iiiii', + godot_audio_init: function (p_mix_rate, p_latency, p_state_change, p_latency_update) { + const statechange = GodotRuntime.get_func(p_state_change); + const latencyupdate = GodotRuntime.get_func(p_latency_update); + return GodotAudio.init(p_mix_rate, p_latency, statechange, latencyupdate); + }, + + godot_audio_resume__sig: 'v', + godot_audio_resume: function () { + if (GodotAudio.ctx && GodotAudio.ctx.state !== 'running') { + GodotAudio.ctx.resume(); + } + }, + + godot_audio_capture_start__proxy: 'sync', + godot_audio_capture_start__sig: 'i', + godot_audio_capture_start: function () { + return GodotAudio.create_input(function (input) { + input.connect(GodotAudio.driver.get_node()); + }); + }, + + godot_audio_capture_stop__proxy: 'sync', + godot_audio_capture_stop__sig: 'v', + godot_audio_capture_stop: function () { + if (GodotAudio.input) { + const tracks = GodotAudio.input['mediaStream']['getTracks'](); + for (let i = 0; i < tracks.length; i++) { + tracks[i]['stop'](); + } + GodotAudio.input.disconnect(); + GodotAudio.input = null; + } + }, +}; + +autoAddDeps(GodotAudio, '$GodotAudio'); +mergeInto(LibraryManager.library, GodotAudio); + +/** + * The AudioWorklet API driver, used when threads are available. + */ +const GodotAudioWorklet = { + $GodotAudioWorklet__deps: ['$GodotAudio', '$GodotConfig'], + $GodotAudioWorklet: { + promise: null, + worklet: null, + + create: function (channels) { + const path = GodotConfig.locate_file('godot.audio.worklet.js'); + GodotAudioWorklet.promise = GodotAudio.ctx.audioWorklet.addModule(path).then(function () { + GodotAudioWorklet.worklet = new AudioWorkletNode( + GodotAudio.ctx, + 'godot-processor', + { + 'outputChannelCount': [channels], + }, + ); + return Promise.resolve(); + }); + GodotAudio.driver = GodotAudioWorklet; + }, + + start: function (in_buf, out_buf, state) { + GodotAudioWorklet.promise.then(function () { + const node = GodotAudioWorklet.worklet; + node.connect(GodotAudio.ctx.destination); + node.port.postMessage({ + 'cmd': 'start', + 'data': [state, in_buf, out_buf], + }); + node.port.onmessage = function (event) { + GodotRuntime.error(event.data); + }; + }); + }, + + get_node: function () { + return GodotAudioWorklet.worklet; + }, + + close: function () { + return new Promise(function (resolve, reject) { + GodotAudioWorklet.promise.then(function () { + GodotAudioWorklet.worklet.port.postMessage({ + 'cmd': 'stop', + 'data': null, + }); + GodotAudioWorklet.worklet.disconnect(); + GodotAudioWorklet.worklet = null; + GodotAudioWorklet.promise = null; + resolve(); + }); + }); + }, + }, + + godot_audio_worklet_create__sig: 'vi', + godot_audio_worklet_create: function (channels) { + GodotAudioWorklet.create(channels); + }, + + godot_audio_worklet_start__sig: 'viiiii', + godot_audio_worklet_start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, p_state) { + const out_buffer = GodotRuntime.heapSub(HEAPF32, p_out_buf, p_out_size); + const in_buffer = GodotRuntime.heapSub(HEAPF32, p_in_buf, p_in_size); + const state = GodotRuntime.heapSub(HEAP32, p_state, 4); + GodotAudioWorklet.start(in_buffer, out_buffer, state); + }, + + godot_audio_worklet_state_wait__sig: 'iiii', + godot_audio_worklet_state_wait: function (p_state, p_idx, p_expected, p_timeout) { + Atomics.wait(HEAP32, (p_state >> 2) + p_idx, p_expected, p_timeout); + return Atomics.load(HEAP32, (p_state >> 2) + p_idx); + }, + + godot_audio_worklet_state_add__sig: 'iiii', + godot_audio_worklet_state_add: function (p_state, p_idx, p_value) { + return Atomics.add(HEAP32, (p_state >> 2) + p_idx, p_value); + }, + + godot_audio_worklet_state_get__sig: 'iii', + godot_audio_worklet_state_get: function (p_state, p_idx) { + return Atomics.load(HEAP32, (p_state >> 2) + p_idx); + }, +}; + +autoAddDeps(GodotAudioWorklet, '$GodotAudioWorklet'); +mergeInto(LibraryManager.library, GodotAudioWorklet); + +/* + * The deprecated ScriptProcessorNode API, used when threads are disabled. + */ +const GodotAudioScript = { + $GodotAudioScript__deps: ['$GodotAudio'], + $GodotAudioScript: { + script: null, + + create: function (buffer_length, channel_count) { + GodotAudioScript.script = GodotAudio.ctx.createScriptProcessor(buffer_length, 2, channel_count); + GodotAudio.driver = GodotAudioScript; + return GodotAudioScript.script.bufferSize; + }, + + start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, onprocess) { + GodotAudioScript.script.onaudioprocess = function (event) { + // Read input + const inb = GodotRuntime.heapSub(HEAPF32, p_in_buf, p_in_size); + const input = event.inputBuffer; + if (GodotAudio.input) { + const inlen = input.getChannelData(0).length; + for (let ch = 0; ch < 2; ch++) { + const data = input.getChannelData(ch); + for (let s = 0; s < inlen; s++) { + inb[s * 2 + ch] = data[s]; + } + } + } + + // Let Godot process the input/output. + onprocess(); + + // Write the output. + const outb = GodotRuntime.heapSub(HEAPF32, p_out_buf, p_out_size); + const output = event.outputBuffer; + const channels = output.numberOfChannels; + for (let ch = 0; ch < channels; ch++) { + const data = output.getChannelData(ch); + // Loop through samples and assign computed values. + for (let sample = 0; sample < data.length; sample++) { + data[sample] = outb[sample * channels + ch]; + } + } + }; + GodotAudioScript.script.connect(GodotAudio.ctx.destination); + }, + + get_node: function () { + return GodotAudioScript.script; + }, + + close: function () { + return new Promise(function (resolve, reject) { + GodotAudioScript.script.disconnect(); + GodotAudioScript.script.onaudioprocess = null; + GodotAudioScript.script = null; + resolve(); + }); + }, + }, + + godot_audio_script_create__sig: 'iii', + godot_audio_script_create: function (buffer_length, channel_count) { + return GodotAudioScript.create(buffer_length, channel_count); + }, + + godot_audio_script_start__sig: 'viiiii', + godot_audio_script_start: function (p_in_buf, p_in_size, p_out_buf, p_out_size, p_cb) { + const onprocess = GodotRuntime.get_func(p_cb); + GodotAudioScript.start(p_in_buf, p_in_size, p_out_buf, p_out_size, onprocess); + }, +}; + +autoAddDeps(GodotAudioScript, '$GodotAudioScript'); +mergeInto(LibraryManager.library, GodotAudioScript); diff --git a/platform/javascript/js/libs/library_godot_display.js b/platform/javascript/js/libs/library_godot_display.js new file mode 100644 index 0000000000..fdb5cc0ec2 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_display.js @@ -0,0 +1,853 @@ +/*************************************************************************/ +/* library_godot_display.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +/* + * Display Server listeners. + * Keeps track of registered event listeners so it can remove them on shutdown. + */ +const GodotDisplayListeners = { + $GodotDisplayListeners__deps: ['$GodotOS'], + $GodotDisplayListeners__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayListeners.clear(); resolve(); });', + $GodotDisplayListeners: { + handlers: [], + + has: function (target, event, method, capture) { + return GodotDisplayListeners.handlers.findIndex(function (e) { + return e.target === target && e.event === event && e.method === method && e.capture === capture; + }) !== -1; + }, + + add: function (target, event, method, capture) { + if (GodotDisplayListeners.has(target, event, method, capture)) { + return; + } + function Handler(p_target, p_event, p_method, p_capture) { + this.target = p_target; + this.event = p_event; + this.method = p_method; + this.capture = p_capture; + } + GodotDisplayListeners.handlers.push(new Handler(target, event, method, capture)); + target.addEventListener(event, method, capture); + }, + + clear: function () { + GodotDisplayListeners.handlers.forEach(function (h) { + h.target.removeEventListener(h.event, h.method, h.capture); + }); + GodotDisplayListeners.handlers.length = 0; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayListeners); + +/* + * Drag and drop handler. + * This is pretty big, but basically detect dropped files on GodotConfig.canvas, + * process them one by one (recursively for directories), and copies them to + * the temporary FS path '/tmp/drop-[random]/' so it can be emitted as a godot + * event (that requires a string array of paths). + * + * NOTE: The temporary files are removed after the callback. This means that + * deferred callbacks won't be able to access the files. + */ +const GodotDisplayDragDrop = { + $GodotDisplayDragDrop__deps: ['$FS', '$GodotFS'], + $GodotDisplayDragDrop: { + promises: [], + pending_files: [], + + add_entry: function (entry) { + if (entry.isDirectory) { + GodotDisplayDragDrop.add_dir(entry); + } else if (entry.isFile) { + GodotDisplayDragDrop.add_file(entry); + } else { + GodotRuntime.error('Unrecognized entry...', entry); + } + }, + + add_dir: function (entry) { + GodotDisplayDragDrop.promises.push(new Promise(function (resolve, reject) { + const reader = entry.createReader(); + reader.readEntries(function (entries) { + for (let i = 0; i < entries.length; i++) { + GodotDisplayDragDrop.add_entry(entries[i]); + } + resolve(); + }); + })); + }, + + add_file: function (entry) { + GodotDisplayDragDrop.promises.push(new Promise(function (resolve, reject) { + entry.file(function (file) { + const reader = new FileReader(); + reader.onload = function () { + const f = { + 'path': file.relativePath || file.webkitRelativePath, + 'name': file.name, + 'type': file.type, + 'size': file.size, + 'data': reader.result, + }; + if (!f['path']) { + f['path'] = f['name']; + } + GodotDisplayDragDrop.pending_files.push(f); + resolve(); + }; + reader.onerror = function () { + GodotRuntime.print('Error reading file'); + reject(); + }; + reader.readAsArrayBuffer(file); + }, function (err) { + GodotRuntime.print('Error!'); + reject(); + }); + })); + }, + + process: function (resolve, reject) { + if (GodotDisplayDragDrop.promises.length === 0) { + resolve(); + return; + } + GodotDisplayDragDrop.promises.pop().then(function () { + setTimeout(function () { + GodotDisplayDragDrop.process(resolve, reject); + }, 0); + }); + }, + + _process_event: function (ev, callback) { + ev.preventDefault(); + if (ev.dataTransfer.items) { + // Use DataTransferItemList interface to access the file(s) + for (let i = 0; i < ev.dataTransfer.items.length; i++) { + const item = ev.dataTransfer.items[i]; + let entry = null; + if ('getAsEntry' in item) { + entry = item.getAsEntry(); + } else if ('webkitGetAsEntry' in item) { + entry = item.webkitGetAsEntry(); + } + if (entry) { + GodotDisplayDragDrop.add_entry(entry); + } + } + } else { + GodotRuntime.error('File upload not supported'); + } + new Promise(GodotDisplayDragDrop.process).then(function () { + const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`; + const drops = []; + const files = []; + FS.mkdir(DROP); + GodotDisplayDragDrop.pending_files.forEach((elem) => { + const path = elem['path']; + GodotFS.copy_to_fs(DROP + path, elem['data']); + let idx = path.indexOf('/'); + if (idx === -1) { + // Root file + drops.push(DROP + path); + } else { + // Subdir + const sub = path.substr(0, idx); + idx = sub.indexOf('/'); + if (idx < 0 && drops.indexOf(DROP + sub) === -1) { + drops.push(DROP + sub); + } + } + files.push(DROP + path); + }); + GodotDisplayDragDrop.promises = []; + GodotDisplayDragDrop.pending_files = []; + callback(drops); + const dirs = [DROP.substr(0, DROP.length - 1)]; + // Remove temporary files + files.forEach(function (file) { + FS.unlink(file); + let dir = file.replace(DROP, ''); + let idx = dir.lastIndexOf('/'); + while (idx > 0) { + dir = dir.substr(0, idx); + if (dirs.indexOf(DROP + dir) === -1) { + dirs.push(DROP + dir); + } + idx = dir.lastIndexOf('/'); + } + }); + // Remove dirs. + dirs.sort(function (a, b) { + const al = (a.match(/\//g) || []).length; + const bl = (b.match(/\//g) || []).length; + if (al > bl) { + return -1; + } else if (al < bl) { + return 1; + } + return 0; + }).forEach(function (dir) { + FS.rmdir(dir); + }); + }); + }, + + handler: function (callback) { + return function (ev) { + GodotDisplayDragDrop._process_event(ev, callback); + }; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayDragDrop); + +/* + * Display server cursor helper. + * Keeps track of cursor status and custom shapes. + */ +const GodotDisplayCursor = { + $GodotDisplayCursor__deps: ['$GodotOS', '$GodotConfig'], + $GodotDisplayCursor__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayCursor.clear(); resolve(); });', + $GodotDisplayCursor: { + shape: 'auto', + visible: true, + cursors: {}, + set_style: function (style) { + GodotConfig.canvas.style.cursor = style; + }, + set_shape: function (shape) { + GodotDisplayCursor.shape = shape; + let css = shape; + if (shape in GodotDisplayCursor.cursors) { + const c = GodotDisplayCursor.cursors[shape]; + css = `url("${c.url}") ${c.x} ${c.y}, auto`; + } + if (GodotDisplayCursor.visible) { + GodotDisplayCursor.set_style(css); + } + }, + clear: function () { + GodotDisplayCursor.set_style(''); + GodotDisplayCursor.shape = 'auto'; + GodotDisplayCursor.visible = true; + Object.keys(GodotDisplayCursor.cursors).forEach(function (key) { + URL.revokeObjectURL(GodotDisplayCursor.cursors[key]); + delete GodotDisplayCursor.cursors[key]; + }); + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayCursor); + +/* + * Display Gamepad API helper. + */ +const GodotDisplayGamepads = { + $GodotDisplayGamepads__deps: ['$GodotRuntime', '$GodotDisplayListeners'], + $GodotDisplayGamepads: { + samples: [], + + get_pads: function () { + try { + // Will throw in iframe when permission is denied. + // Will throw/warn in the future for insecure contexts. + // See https://github.com/w3c/gamepad/pull/120 + const pads = navigator.getGamepads(); + if (pads) { + return pads; + } + return []; + } catch (e) { + return []; + } + }, + + get_samples: function () { + return GodotDisplayGamepads.samples; + }, + + get_sample: function (index) { + const samples = GodotDisplayGamepads.samples; + return index < samples.length ? samples[index] : null; + }, + + sample: function () { + const pads = GodotDisplayGamepads.get_pads(); + const samples = []; + for (let i = 0; i < pads.length; i++) { + const pad = pads[i]; + if (!pad) { + samples.push(null); + continue; + } + const s = { + standard: pad.mapping === 'standard', + buttons: [], + axes: [], + connected: pad.connected, + }; + for (let b = 0; b < pad.buttons.length; b++) { + s.buttons.push(pad.buttons[b].value); + } + for (let a = 0; a < pad.axes.length; a++) { + s.axes.push(pad.axes[a]); + } + samples.push(s); + } + GodotDisplayGamepads.samples = samples; + }, + + init: function (onchange) { + GodotDisplayListeners.samples = []; + function add(pad) { + const guid = GodotDisplayGamepads.get_guid(pad); + const c_id = GodotRuntime.allocString(pad.id); + const c_guid = GodotRuntime.allocString(guid); + onchange(pad.index, 1, c_id, c_guid); + GodotRuntime.free(c_id); + GodotRuntime.free(c_guid); + } + const pads = GodotDisplayGamepads.get_pads(); + for (let i = 0; i < pads.length; i++) { + // Might be reserved space. + if (pads[i]) { + add(pads[i]); + } + } + GodotDisplayListeners.add(window, 'gamepadconnected', function (evt) { + add(evt.gamepad); + }, false); + GodotDisplayListeners.add(window, 'gamepaddisconnected', function (evt) { + onchange(evt.gamepad.index, 0); + }, false); + }, + + get_guid: function (pad) { + if (pad.mapping) { + return pad.mapping; + } + const ua = navigator.userAgent; + let os = 'Unknown'; + if (ua.indexOf('Android') >= 0) { + os = 'Android'; + } else if (ua.indexOf('Linux') >= 0) { + os = 'Linux'; + } else if (ua.indexOf('iPhone') >= 0) { + os = 'iOS'; + } else if (ua.indexOf('Macintosh') >= 0) { + // Updated iPads will fall into this category. + os = 'MacOSX'; + } else if (ua.indexOf('Windows') >= 0) { + os = 'Windows'; + } + + const id = pad.id; + // Chrom* style: NAME (Vendor: xxxx Product: xxxx) + const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i; + // Firefox/Safari style (safari may remove leading zeores) + const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i; + let vendor = ''; + let product = ''; + if (exp1.test(id)) { + const match = exp1.exec(id); + vendor = match[1].padStart(4, '0'); + product = match[2].padStart(4, '0'); + } else if (exp2.test(id)) { + const match = exp2.exec(id); + vendor = match[1].padStart(4, '0'); + product = match[2].padStart(4, '0'); + } + if (!vendor || !product) { + return `${os}Unknown`; + } + return os + vendor + product; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayGamepads); + +const GodotDisplayScreen = { + $GodotDisplayScreen__deps: ['$GodotConfig', '$GodotOS', '$GL', 'emscripten_webgl_get_current_context'], + $GodotDisplayScreen: { + desired_size: [0, 0], + isFullscreen: function () { + const elem = document.fullscreenElement || document.mozFullscreenElement + || document.webkitFullscreenElement || document.msFullscreenElement; + if (elem) { + return elem === GodotConfig.canvas; + } + // But maybe knowing the element is not supported. + return document.fullscreen || document.mozFullScreen + || document.webkitIsFullscreen; + }, + hasFullscreen: function () { + return document.fullscreenEnabled || document.mozFullScreenEnabled + || document.webkitFullscreenEnabled; + }, + requestFullscreen: function () { + if (!GodotDisplayScreen.hasFullscreen()) { + return 1; + } + const canvas = GodotConfig.canvas; + try { + const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen + || canvas.mozRequestFullScreen || canvas.mozRequestFullscreen + || canvas.webkitRequestFullscreen + ).call(canvas); + // Some browsers (Safari) return undefined. + // For the standard ones, we need to catch it. + if (promise) { + promise.catch(function () { + // nothing to do. + }); + } + } catch (e) { + return 1; + } + return 0; + }, + exitFullscreen: function () { + if (!GodotDisplayScreen.isFullscreen()) { + return 0; + } + try { + const promise = document.exitFullscreen(); + if (promise) { + promise.catch(function () { + // nothing to do. + }); + } + } catch (e) { + return 1; + } + return 0; + }, + _updateGL: function () { + const gl_context_handle = _emscripten_webgl_get_current_context(); // eslint-disable-line no-undef + const gl = GL.getContext(gl_context_handle); + if (gl) { + GL.resizeOffscreenFramebuffer(gl); + } + }, + updateSize: function () { + const isFullscreen = GodotDisplayScreen.isFullscreen(); + const wantsFullWindow = GodotConfig.canvas_resize_policy === 2; + const noResize = GodotConfig.canvas_resize_policy === 0; + const wwidth = GodotDisplayScreen.desired_size[0]; + const wheight = GodotDisplayScreen.desired_size[1]; + const canvas = GodotConfig.canvas; + let width = wwidth; + let height = wheight; + if (noResize) { + // Don't resize canvas, just update GL if needed. + if (canvas.width !== width || canvas.height !== height) { + GodotDisplayScreen.desired_size = [canvas.width, canvas.height]; + GodotDisplayScreen._updateGL(); + return 1; + } + return 0; + } + const scale = window.devicePixelRatio || 1; + if (isFullscreen || wantsFullWindow) { + // We need to match screen size. + width = window.innerWidth * scale; + height = window.innerHeight * scale; + } + const csw = `${width / scale}px`; + const csh = `${height / scale}px`; + if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) { + // Size doesn't match. + // Resize canvas, set correct CSS pixel size, update GL. + canvas.width = width; + canvas.height = height; + canvas.style.width = csw; + canvas.style.height = csh; + GodotDisplayScreen._updateGL(); + return 1; + } + return 0; + }, + }, +}; +mergeInto(LibraryManager.library, GodotDisplayScreen); + +/** + * Display server interface. + * + * Exposes all the functions needed by DisplayServer implementation. + */ +const GodotDisplay = { + $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotDisplayListeners', '$GodotDisplayDragDrop', '$GodotDisplayGamepads', '$GodotDisplayScreen'], + $GodotDisplay: { + window_icon: '', + findDPI: function () { + function testDPI(dpi) { + return window.matchMedia(`(max-resolution: ${dpi}dpi)`).matches; + } + function bisect(low, high, func) { + const mid = parseInt(((high - low) / 2) + low, 10); + if (high - low <= 1) { + return func(high) ? high : low; + } + if (func(mid)) { + return bisect(low, mid, func); + } + return bisect(mid, high, func); + } + try { + const dpi = bisect(0, 800, testDPI); + return dpi >= 96 ? dpi : 96; + } catch (e) { + return 96; + } + }, + }, + + godot_js_display_is_swap_ok_cancel__sig: 'i', + godot_js_display_is_swap_ok_cancel: function () { + const win = (['Windows', 'Win64', 'Win32', 'WinCE']); + const plat = navigator.platform || ''; + if (win.indexOf(plat) !== -1) { + return 1; + } + return 0; + }, + + godot_js_display_alert__sig: 'vi', + godot_js_display_alert: function (p_text) { + window.alert(GodotRuntime.parseString(p_text)); // eslint-disable-line no-alert + }, + + godot_js_display_screen_dpi_get__sig: 'i', + godot_js_display_screen_dpi_get: function () { + return GodotDisplay.findDPI(); + }, + + godot_js_display_pixel_ratio_get__sig: 'f', + godot_js_display_pixel_ratio_get: function () { + return window.devicePixelRatio || 1; + }, + + godot_js_display_fullscreen_request__sig: 'i', + godot_js_display_fullscreen_request: function () { + return GodotDisplayScreen.requestFullscreen(); + }, + + godot_js_display_fullscreen_exit__sig: 'i', + godot_js_display_fullscreen_exit: function () { + return GodotDisplayScreen.exitFullscreen(); + }, + + godot_js_display_desired_size_set__sig: 'v', + godot_js_display_desired_size_set: function (width, height) { + GodotDisplayScreen.desired_size = [width, height]; + GodotDisplayScreen.updateSize(); + }, + + godot_js_display_size_update__sig: 'i', + godot_js_display_size_update: function () { + return GodotDisplayScreen.updateSize(); + }, + + godot_js_display_screen_size_get__sig: 'vii', + godot_js_display_screen_size_get: function (width, height) { + const scale = window.devicePixelRatio || 1; + GodotRuntime.setHeapValue(width, window.screen.width * scale, 'i32'); + GodotRuntime.setHeapValue(height, window.screen.height * scale, 'i32'); + }, + + godot_js_display_window_size_get: function (p_width, p_height) { + GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, 'i32'); + GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, 'i32'); + }, + + godot_js_display_compute_position: function (x, y, r_x, r_y) { + const canvas = GodotConfig.canvas; + const rect = canvas.getBoundingClientRect(); + const rw = canvas.width / rect.width; + const rh = canvas.height / rect.height; + GodotRuntime.setHeapValue(r_x, (x - rect.x) * rw, 'i32'); + GodotRuntime.setHeapValue(r_y, (y - rect.y) * rh, 'i32'); + }, + + /* + * Canvas + */ + godot_js_display_canvas_focus__sig: 'v', + godot_js_display_canvas_focus: function () { + GodotConfig.canvas.focus(); + }, + + godot_js_display_canvas_is_focused__sig: 'i', + godot_js_display_canvas_is_focused: function () { + return document.activeElement === GodotConfig.canvas; + }, + + /* + * Touchscreen + */ + godot_js_display_touchscreen_is_available__sig: 'i', + godot_js_display_touchscreen_is_available: function () { + return 'ontouchstart' in window; + }, + + /* + * Clipboard + */ + godot_js_display_clipboard_set__sig: 'ii', + godot_js_display_clipboard_set: function (p_text) { + const text = GodotRuntime.parseString(p_text); + if (!navigator.clipboard || !navigator.clipboard.writeText) { + return 1; + } + navigator.clipboard.writeText(text).catch(function (e) { + // Setting OS clipboard is only possible from an input callback. + GodotRuntime.error('Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:', e); + }); + return 0; + }, + + godot_js_display_clipboard_get__sig: 'ii', + godot_js_display_clipboard_get: function (callback) { + const func = GodotRuntime.get_func(callback); + try { + navigator.clipboard.readText().then(function (result) { + const ptr = GodotRuntime.allocString(result); + func(ptr); + GodotRuntime.free(ptr); + }).catch(function (e) { + // Fail graciously. + }); + } catch (e) { + // Fail graciously. + } + }, + + /* + * Window + */ + godot_js_display_window_title_set__sig: 'vi', + godot_js_display_window_title_set: function (p_data) { + document.title = GodotRuntime.parseString(p_data); + }, + + godot_js_display_window_icon_set__sig: 'vii', + godot_js_display_window_icon_set: function (p_ptr, p_len) { + let link = document.getElementById('-gd-engine-icon'); + if (link === null) { + link = document.createElement('link'); + link.rel = 'icon'; + link.id = '-gd-engine-icon'; + document.head.appendChild(link); + } + const old_icon = GodotDisplay.window_icon; + const png = new Blob([GodotRuntime.heapCopy(HEAPU8, p_ptr, p_len)], { type: 'image/png' }); + GodotDisplay.window_icon = URL.createObjectURL(png); + link.href = GodotDisplay.window_icon; + if (old_icon) { + URL.revokeObjectURL(old_icon); + } + }, + + /* + * Cursor + */ + godot_js_display_cursor_set_visible__sig: 'vi', + godot_js_display_cursor_set_visible: function (p_visible) { + const visible = p_visible !== 0; + if (visible === GodotDisplayCursor.visible) { + return; + } + GodotDisplayCursor.visible = visible; + if (visible) { + GodotDisplayCursor.set_shape(GodotDisplayCursor.shape); + } else { + GodotDisplayCursor.set_style('none'); + } + }, + + godot_js_display_cursor_is_hidden__sig: 'i', + godot_js_display_cursor_is_hidden: function () { + return !GodotDisplayCursor.visible; + }, + + godot_js_display_cursor_set_shape__sig: 'vi', + godot_js_display_cursor_set_shape: function (p_string) { + GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string)); + }, + + godot_js_display_cursor_set_custom_shape__sig: 'viiiii', + godot_js_display_cursor_set_custom_shape: function (p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) { + const shape = GodotRuntime.parseString(p_shape); + const old_shape = GodotDisplayCursor.cursors[shape]; + if (p_len > 0) { + const png = new Blob([GodotRuntime.heapCopy(HEAPU8, p_ptr, p_len)], { type: 'image/png' }); + const url = URL.createObjectURL(png); + GodotDisplayCursor.cursors[shape] = { + url: url, + x: p_hotspot_x, + y: p_hotspot_y, + }; + } else { + delete GodotDisplayCursor.cursors[shape]; + } + if (shape === GodotDisplayCursor.shape) { + GodotDisplayCursor.set_shape(GodotDisplayCursor.shape); + } + if (old_shape) { + URL.revokeObjectURL(old_shape.url); + } + }, + + /* + * Listeners + */ + godot_js_display_notification_cb__sig: 'viiiii', + godot_js_display_notification_cb: function (callback, p_enter, p_exit, p_in, p_out) { + const canvas = GodotConfig.canvas; + const func = GodotRuntime.get_func(callback); + const notif = [p_enter, p_exit, p_in, p_out]; + ['mouseover', 'mouseleave', 'focus', 'blur'].forEach(function (evt_name, idx) { + GodotDisplayListeners.add(canvas, evt_name, function () { + func.bind(null, notif[idx]); + }, true); + }); + }, + + godot_js_display_paste_cb__sig: 'vi', + godot_js_display_paste_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotDisplayListeners.add(window, 'paste', function (evt) { + const text = evt.clipboardData.getData('text'); + const ptr = GodotRuntime.allocString(text); + func(ptr); + GodotRuntime.free(ptr); + }, false); + }, + + godot_js_display_drop_files_cb__sig: 'vi', + godot_js_display_drop_files_cb: function (callback) { + const func = GodotRuntime.get_func(callback); + const dropFiles = function (files) { + const args = files || []; + if (!args.length) { + return; + } + const argc = args.length; + const argv = GodotRuntime.allocStringArray(args); + func(argv, argc); + GodotRuntime.freeStringArray(argv, argc); + }; + const canvas = GodotConfig.canvas; + GodotDisplayListeners.add(canvas, 'dragover', function (ev) { + // Prevent default behavior (which would try to open the file(s)) + ev.preventDefault(); + }, false); + GodotDisplayListeners.add(canvas, 'drop', GodotDisplayDragDrop.handler(dropFiles)); + }, + + godot_js_display_setup_canvas__sig: 'viii', + godot_js_display_setup_canvas: function (p_width, p_height, p_fullscreen) { + const canvas = GodotConfig.canvas; + GodotDisplayListeners.add(canvas, 'contextmenu', function (ev) { + ev.preventDefault(); + }, false); + GodotDisplayListeners.add(canvas, 'webglcontextlost', function (ev) { + alert('WebGL context lost, please reload the page'); // eslint-disable-line no-alert + ev.preventDefault(); + }, false); + switch (GodotConfig.canvas_resize_policy) { + case 0: // None + GodotDisplayScreen.desired_size = [canvas.width, canvas.height]; + break; + case 1: // Project + GodotDisplayScreen.desired_size = [p_width, p_height]; + break; + default: // Full window + // Ensure we display in the right place, the size will be handled by updateSize + canvas.style.position = 'absolute'; + canvas.style.top = 0; + canvas.style.left = 0; + break; + } + if (p_fullscreen) { + GodotDisplayScreen.requestFullscreen(); + } + }, + + /* + * Gamepads + */ + godot_js_display_gamepad_cb__sig: 'vi', + godot_js_display_gamepad_cb: function (change_cb) { + const onchange = GodotRuntime.get_func(change_cb); + GodotDisplayGamepads.init(onchange); + }, + + godot_js_display_gamepad_sample_count__sig: 'i', + godot_js_display_gamepad_sample_count: function () { + return GodotDisplayGamepads.get_samples().length; + }, + + godot_js_display_gamepad_sample__sig: 'i', + godot_js_display_gamepad_sample: function () { + GodotDisplayGamepads.sample(); + return 0; + }, + + godot_js_display_gamepad_sample_get__sig: 'iiiiiii', + godot_js_display_gamepad_sample_get: function (p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) { + const sample = GodotDisplayGamepads.get_sample(p_index); + if (!sample || !sample.connected) { + return 1; + } + const btns = sample.buttons; + const btns_len = btns.length < 16 ? btns.length : 16; + for (let i = 0; i < btns_len; i++) { + GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], 'float'); + } + GodotRuntime.setHeapValue(r_btns_num, btns_len, 'i32'); + const axes = sample.axes; + const axes_len = axes.length < 10 ? axes.length : 10; + for (let i = 0; i < axes_len; i++) { + GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], 'float'); + } + GodotRuntime.setHeapValue(r_axes_num, axes_len, 'i32'); + const is_standard = sample.standard ? 1 : 0; + GodotRuntime.setHeapValue(r_standard, is_standard, 'i32'); + return 0; + }, +}; + +autoAddDeps(GodotDisplay, '$GodotDisplay'); +mergeInto(LibraryManager.library, GodotDisplay); diff --git a/platform/javascript/js/libs/library_godot_editor_tools.js b/platform/javascript/js/libs/library_godot_editor_tools.js new file mode 100644 index 0000000000..d7f1ad5ea1 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_editor_tools.js @@ -0,0 +1,57 @@ +/*************************************************************************/ +/* library_godot_editor_tools.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotEditorTools = { + godot_js_editor_download_file__deps: ['$FS'], + godot_js_editor_download_file__sig: 'viii', + godot_js_editor_download_file: function (p_path, p_name, p_mime) { + const path = GodotRuntime.parseString(p_path); + const name = GodotRuntime.parseString(p_name); + const mime = GodotRuntime.parseString(p_mime); + const size = FS.stat(path)['size']; + const buf = new Uint8Array(size); + const fd = FS.open(path, 'r'); + FS.read(fd, buf, 0, size); + FS.close(fd); + FS.unlink(path); + const blob = new Blob([buf], { type: mime }); + const url = window.URL.createObjectURL(blob); + const a = document.createElement('a'); + a.href = url; + a.download = name; + a.style.display = 'none'; + document.body.appendChild(a); + a.click(); + a.remove(); + window.URL.revokeObjectURL(url); + }, +}; + +mergeInto(LibraryManager.library, GodotEditorTools); diff --git a/platform/javascript/js/libs/library_godot_eval.js b/platform/javascript/js/libs/library_godot_eval.js new file mode 100644 index 0000000000..9ab392b813 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_eval.js @@ -0,0 +1,86 @@ +/*************************************************************************/ +/* library_godot_eval.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotEval = { + godot_js_eval__deps: ['$GodotRuntime'], + godot_js_eval__sig: 'iiiiiii', + godot_js_eval: function (p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) { + const js_code = GodotRuntime.parseString(p_js); + let eval_ret = null; + try { + if (p_use_global_ctx) { + // indirect eval call grants global execution context + const global_eval = eval; // eslint-disable-line no-eval + eval_ret = global_eval(js_code); + } else { + eval_ret = eval(js_code); // eslint-disable-line no-eval + } + } catch (e) { + GodotRuntime.error(e); + } + + switch (typeof eval_ret) { + case 'boolean': + GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'i32'); + return 1; // BOOL + + case 'number': + GodotRuntime.setHeapValue(p_union_ptr, eval_ret, 'double'); + return 3; // REAL + + case 'string': + GodotRuntime.setHeapValue(p_union_ptr, GodotRuntime.allocString(eval_ret), '*'); + return 4; // STRING + + case 'object': + if (eval_ret === null) { + break; + } + + if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) { + eval_ret = new Uint8Array(eval_ret.buffer); + } else if (eval_ret instanceof ArrayBuffer) { + eval_ret = new Uint8Array(eval_ret); + } + if (eval_ret instanceof Uint8Array) { + const func = GodotRuntime.get_func(p_callback); + const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length); + HEAPU8.set(eval_ret, bytes_ptr); + return 20; // POOL_BYTE_ARRAY + } + break; + + // no default + } + return 0; // NIL + }, +}; + +mergeInto(LibraryManager.library, GodotEval); diff --git a/platform/javascript/js/libs/library_godot_http_request.js b/platform/javascript/js/libs/library_godot_http_request.js new file mode 100644 index 0000000000..7dc2a2df29 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_http_request.js @@ -0,0 +1,142 @@ +/*************************************************************************/ +/* http_request.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotHTTPRequest = { + $GodotHTTPRequest__deps: ['$GodotRuntime'], + $GodotHTTPRequest: { + requests: [], + + getUnusedRequestId: function () { + const idMax = GodotHTTPRequest.requests.length; + for (let potentialId = 0; potentialId < idMax; ++potentialId) { + if (GodotHTTPRequest.requests[potentialId] instanceof XMLHttpRequest) { + continue; + } + return potentialId; + } + GodotHTTPRequest.requests.push(null); + return idMax; + }, + + setupRequest: function (xhr) { + xhr.responseType = 'arraybuffer'; + }, + }, + + godot_xhr_new__sig: 'i', + godot_xhr_new: function () { + const newId = GodotHTTPRequest.getUnusedRequestId(); + GodotHTTPRequest.requests[newId] = new XMLHttpRequest(); + GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[newId]); + return newId; + }, + + godot_xhr_reset__sig: 'vi', + godot_xhr_reset: function (xhrId) { + GodotHTTPRequest.requests[xhrId] = new XMLHttpRequest(); + GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[xhrId]); + }, + + godot_xhr_free__sig: 'vi', + godot_xhr_free: function (xhrId) { + GodotHTTPRequest.requests[xhrId].abort(); + GodotHTTPRequest.requests[xhrId] = null; + }, + + godot_xhr_open__sig: 'viiiii', + godot_xhr_open: function (xhrId, method, url, p_user, p_password) { + const user = p_user > 0 ? GodotRuntime.parseString(p_user) : null; + const password = p_password > 0 ? GodotRuntime.parseString(p_password) : null; + GodotHTTPRequest.requests[xhrId].open(GodotRuntime.parseString(method), GodotRuntime.parseString(url), true, user, password); + }, + + godot_xhr_set_request_header__sig: 'viii', + godot_xhr_set_request_header: function (xhrId, header, value) { + GodotHTTPRequest.requests[xhrId].setRequestHeader(GodotRuntime.parseString(header), GodotRuntime.parseString(value)); + }, + + godot_xhr_send__sig: 'viii', + godot_xhr_send: function (xhrId, p_ptr, p_len) { + let data = null; + if (p_ptr && p_len) { + data = GodotRuntime.heapCopy(HEAP8, p_ptr, p_len); + } + GodotHTTPRequest.requests[xhrId].send(data); + }, + + godot_xhr_abort__sig: 'vi', + godot_xhr_abort: function (xhrId) { + GodotHTTPRequest.requests[xhrId].abort(); + }, + + godot_xhr_get_status__sig: 'ii', + godot_xhr_get_status: function (xhrId) { + return GodotHTTPRequest.requests[xhrId].status; + }, + + godot_xhr_get_ready_state__sig: 'ii', + godot_xhr_get_ready_state: function (xhrId) { + return GodotHTTPRequest.requests[xhrId].readyState; + }, + + godot_xhr_get_response_headers_length__sig: 'ii', + godot_xhr_get_response_headers_length: function (xhrId) { + const headers = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders(); + return headers === null ? 0 : GodotRuntime.strlen(headers); + }, + + godot_xhr_get_response_headers__sig: 'viii', + godot_xhr_get_response_headers: function (xhrId, dst, len) { + const str = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders(); + if (str === null) { + return; + } + GodotRuntime.stringToHeap(str, dst, len); + }, + + godot_xhr_get_response_length__sig: 'ii', + godot_xhr_get_response_length: function (xhrId) { + const body = GodotHTTPRequest.requests[xhrId].response; + return body === null ? 0 : body.byteLength; + }, + + godot_xhr_get_response__sig: 'viii', + godot_xhr_get_response: function (xhrId, dst, len) { + let buf = GodotHTTPRequest.requests[xhrId].response; + if (buf === null) { + return; + } + buf = new Uint8Array(buf).subarray(0, len); + HEAPU8.set(buf, dst); + }, +}; + +autoAddDeps(GodotHTTPRequest, '$GodotHTTPRequest'); +mergeInto(LibraryManager.library, GodotHTTPRequest); diff --git a/platform/javascript/js/libs/library_godot_os.js b/platform/javascript/js/libs/library_godot_os.js new file mode 100644 index 0000000000..0f189b013c --- /dev/null +++ b/platform/javascript/js/libs/library_godot_os.js @@ -0,0 +1,304 @@ +/*************************************************************************/ +/* library_godot_os.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const IDHandler = { + $IDHandler: { + _last_id: 0, + _references: {}, + + get: function (p_id) { + return IDHandler._references[p_id]; + }, + + add: function (p_data) { + const id = ++IDHandler._last_id; + IDHandler._references[id] = p_data; + return id; + }, + + remove: function (p_id) { + delete IDHandler._references[p_id]; + }, + }, +}; + +autoAddDeps(IDHandler, '$IDHandler'); +mergeInto(LibraryManager.library, IDHandler); + +const GodotConfig = { + $GodotConfig__postset: 'Module["initConfig"] = GodotConfig.init_config;', + $GodotConfig__deps: ['$GodotRuntime'], + $GodotConfig: { + canvas: null, + locale: 'en', + canvas_resize_policy: 2, // Adaptive + on_execute: null, + on_exit: null, + + init_config: function (p_opts) { + GodotConfig.canvas_resize_policy = p_opts['canvasResizePolicy']; + GodotConfig.canvas = p_opts['canvas']; + GodotConfig.locale = p_opts['locale'] || GodotConfig.locale; + GodotConfig.on_execute = p_opts['onExecute']; + GodotConfig.on_exit = p_opts['onExit']; + }, + + locate_file: function (file) { + return Module['locateFile'](file); // eslint-disable-line no-undef + }, + clear: function () { + GodotConfig.canvas = null; + GodotConfig.locale = 'en'; + GodotConfig.canvas_resize_policy = 2; + GodotConfig.on_execute = null; + GodotConfig.on_exit = null; + }, + }, + + godot_js_config_canvas_id_get__sig: 'vii', + godot_js_config_canvas_id_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max); + }, + + godot_js_config_locale_get__sig: 'vii', + godot_js_config_locale_get: function (p_ptr, p_ptr_max) { + GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max); + }, +}; + +autoAddDeps(GodotConfig, '$GodotConfig'); +mergeInto(LibraryManager.library, GodotConfig); + +const GodotFS = { + $GodotFS__deps: ['$FS', '$IDBFS', '$GodotRuntime'], + $GodotFS__postset: [ + 'Module["initFS"] = GodotFS.init;', + 'Module["copyToFS"] = GodotFS.copy_to_fs;', + ].join(''), + $GodotFS: { + _idbfs: false, + _syncing: false, + _mount_points: [], + + is_persistent: function () { + return GodotFS._idbfs ? 1 : 0; + }, + + // Initialize godot file system, setting up persistent paths. + // Returns a promise that resolves when the FS is ready. + // We keep track of mount_points, so that we can properly close the IDBFS + // since emscripten is not doing it by itself. (emscripten GH#12516). + init: function (persistentPaths) { + GodotFS._idbfs = false; + if (!Array.isArray(persistentPaths)) { + return Promise.reject(new Error('Persistent paths must be an array')); + } + if (!persistentPaths.length) { + return Promise.resolve(); + } + GodotFS._mount_points = persistentPaths.slice(); + + function createRecursive(dir) { + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + } + + GodotFS._mount_points.forEach(function (path) { + createRecursive(path); + FS.mount(IDBFS, {}, path); + }); + return new Promise(function (resolve, reject) { + FS.syncfs(true, function (err) { + if (err) { + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotRuntime.print(`IndexedDB not available: ${err.message}`); + } else { + GodotFS._idbfs = true; + } + resolve(err); + }); + }); + }, + + // Deinit godot file system, making sure to unmount file systems, and close IDBFS(s). + deinit: function () { + GodotFS._mount_points.forEach(function (path) { + try { + FS.unmount(path); + } catch (e) { + GodotRuntime.print('Already unmounted', e); + } + if (GodotFS._idbfs && IDBFS.dbs[path]) { + IDBFS.dbs[path].close(); + delete IDBFS.dbs[path]; + } + }); + GodotFS._mount_points = []; + GodotFS._idbfs = false; + GodotFS._syncing = false; + }, + + sync: function () { + if (GodotFS._syncing) { + GodotRuntime.error('Already syncing!'); + return Promise.resolve(); + } + GodotFS._syncing = true; + return new Promise(function (resolve, reject) { + FS.syncfs(false, function (error) { + if (error) { + GodotRuntime.error(`Failed to save IDB file system: ${error.message}`); + } + GodotFS._syncing = false; + resolve(error); + }); + }); + }, + + // Copies a buffer to the internal file system. Creating directories recursively. + copy_to_fs: function (path, buffer) { + const idx = path.lastIndexOf('/'); + let dir = '/'; + if (idx > 0) { + dir = path.slice(0, idx); + } + try { + FS.stat(dir); + } catch (e) { + if (e.errno !== ERRNO_CODES.ENOENT) { + throw e; + } + FS.mkdirTree(dir); + } + FS.writeFile(path, new Uint8Array(buffer)); + }, + }, +}; +mergeInto(LibraryManager.library, GodotFS); + +const GodotOS = { + $GodotOS__deps: ['$GodotRuntime', '$GodotConfig', '$GodotFS'], + $GodotOS__postset: [ + 'Module["request_quit"] = function() { GodotOS.request_quit() };', + 'Module["onExit"] = GodotOS.cleanup;', + 'GodotOS._fs_sync_promise = Promise.resolve();', + ].join(''), + $GodotOS: { + request_quit: function () {}, + _async_cbs: [], + _fs_sync_promise: null, + + atexit: function (p_promise_cb) { + GodotOS._async_cbs.push(p_promise_cb); + }, + + cleanup: function (exit_code) { + const cb = GodotConfig.on_exit; + GodotFS.deinit(); + GodotConfig.clear(); + if (cb) { + cb(exit_code); + } + }, + + finish_async: function (callback) { + GodotOS._fs_sync_promise.then(function (err) { + const promises = []; + GodotOS._async_cbs.forEach(function (cb) { + promises.push(new Promise(cb)); + }); + return Promise.all(promises); + }).then(function () { + return GodotFS.sync(); // Final FS sync. + }).then(function (err) { + // Always deferred. + setTimeout(function () { + callback(); + }, 0); + }); + }, + }, + + godot_js_os_finish_async__sig: 'vi', + godot_js_os_finish_async: function (p_callback) { + const func = GodotRuntime.get_func(p_callback); + GodotOS.finish_async(func); + }, + + godot_js_os_request_quit_cb__sig: 'vi', + godot_js_os_request_quit_cb: function (p_callback) { + GodotOS.request_quit = GodotRuntime.get_func(p_callback); + }, + + godot_js_os_fs_is_persistent__sig: 'i', + godot_js_os_fs_is_persistent: function () { + return GodotFS.is_persistent(); + }, + + godot_js_os_fs_sync__sig: 'vi', + godot_js_os_fs_sync: function (callback) { + const func = GodotRuntime.get_func(callback); + GodotOS._fs_sync_promise = GodotFS.sync(); + GodotOS._fs_sync_promise.then(function (err) { + func(); + }); + }, + + godot_js_os_execute__sig: 'ii', + godot_js_os_execute: function (p_json) { + const json_args = GodotRuntime.parseString(p_json); + const args = JSON.parse(json_args); + if (GodotConfig.on_execute) { + GodotConfig.on_execute(args); + return 0; + } + return 1; + }, + + godot_js_os_shell_open__sig: 'vi', + godot_js_os_shell_open: function (p_uri) { + window.open(GodotRuntime.parseString(p_uri), '_blank'); + }, + + godot_js_os_hw_concurrency_get__sig: 'i', + godot_js_os_hw_concurrency_get: function () { + return navigator.hardwareConcurrency || 1; + }, +}; + +autoAddDeps(GodotOS, '$GodotOS'); +mergeInto(LibraryManager.library, GodotOS); diff --git a/platform/javascript/js/libs/library_godot_runtime.js b/platform/javascript/js/libs/library_godot_runtime.js new file mode 100644 index 0000000000..7e36ff8ab5 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_runtime.js @@ -0,0 +1,120 @@ +/*************************************************************************/ +/* library_godot_runtime.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotRuntime = { + $GodotRuntime: { + /* + * Functions + */ + get_func: function (ptr) { + return wasmTable.get(ptr); // eslint-disable-line no-undef + }, + + /* + * Prints + */ + error: function () { + err.apply(null, Array.from(arguments)); // eslint-disable-line no-undef + }, + + print: function () { + out.apply(null, Array.from(arguments)); // eslint-disable-line no-undef + }, + + /* + * Memory + */ + malloc: function (p_size) { + return _malloc(p_size); // eslint-disable-line no-undef + }, + + free: function (p_ptr) { + _free(p_ptr); // eslint-disable-line no-undef + }, + + getHeapValue: function (p_ptr, p_type) { + return getValue(p_ptr, p_type); // eslint-disable-line no-undef + }, + + setHeapValue: function (p_ptr, p_value, p_type) { + setValue(p_ptr, p_value, p_type); // eslint-disable-line no-undef + }, + + heapSub: function (p_heap, p_ptr, p_len) { + const bytes = p_heap.BYTES_PER_ELEMENT; + return p_heap.subarray(p_ptr / bytes, p_ptr / bytes + p_len); + }, + + heapCopy: function (p_heap, p_ptr, p_len) { + const bytes = p_heap.BYTES_PER_ELEMENT; + return p_heap.slice(p_ptr / bytes, p_ptr / bytes + p_len); + }, + + /* + * Strings + */ + parseString: function (p_ptr) { + return UTF8ToString(p_ptr); // eslint-disable-line no-undef + }, + + strlen: function (p_str) { + return lengthBytesUTF8(p_str); // eslint-disable-line no-undef + }, + + allocString: function (p_str) { + const length = GodotRuntime.strlen(p_str) + 1; + const c_str = GodotRuntime.malloc(length); + stringToUTF8(p_str, c_str, length); // eslint-disable-line no-undef + return c_str; + }, + + allocStringArray: function (p_strings) { + const size = p_strings.length; + const c_ptr = GodotRuntime.malloc(size * 4); + for (let i = 0; i < size; i++) { + HEAP32[(c_ptr >> 2) + i] = GodotRuntime.allocString(p_strings[i]); + } + return c_ptr; + }, + + freeStringArray: function (p_ptr, p_len) { + for (let i = 0; i < p_len; i++) { + GodotRuntime.free(HEAP32[(p_ptr >> 2) + i]); + } + GodotRuntime.free(p_ptr); + }, + + stringToHeap: function (p_str, p_ptr, p_len) { + return stringToUTF8Array(p_str, HEAP8, p_ptr, p_len); // eslint-disable-line no-undef + }, + }, +}; +autoAddDeps(GodotRuntime, '$GodotRuntime'); +mergeInto(LibraryManager.library, GodotRuntime); |