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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /**************************************************************************/ | ||
| /* godot_midi.h */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* 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. */ | ||
| /**************************************************************************/ | ||
|
|
||
| #ifndef GODOT_MIDI_H | ||
| #define GODOT_MIDI_H | ||
|
|
||
| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
|
||
| extern Error godot_js_webmidi_open_midi_inputs( | ||
| void (*p_callback)(int p_size, const char **p_connected_input_names), | ||
| void (*p_on_midi_message)(int p_device_index, uint8_t p_status, const uint8_t *p_data, size_t p_data_len), | ||
| const uint8_t *p_data_buffer, | ||
| const size_t p_data_buffer_len); | ||
|
|
||
| extern void godot_js_webmidi_close_midi_inputs(); | ||
|
|
||
| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
|
||
| #endif // GODOT_MIDI_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /**************************************************************************/ | ||
| /* library_godot_webmidi.js */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* 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 GodotWebMidi = { | ||
|
|
||
| $GodotWebMidi__deps: ['$GodotRuntime'], | ||
| $GodotWebMidi: { | ||
| abortControllers: [], | ||
| isListening: false, | ||
| }, | ||
|
|
||
| godot_js_webmidi_open_midi_inputs__deps: ['$GodotWebMidi'], | ||
| godot_js_webmidi_open_midi_inputs__proxy: 'sync', | ||
| godot_js_webmidi_open_midi_inputs__sig: 'iiii', | ||
| godot_js_webmidi_open_midi_inputs: function (pSetInputNamesCb, pOnMidiMessageCb, pDataBuffer, dataBufferLen) { | ||
| if (GodotWebMidi.is_listening) { | ||
| return 0; // OK | ||
| } | ||
| if (!navigator.requestMIDIAccess) { | ||
| return 2; // ERR_UNAVAILABLE | ||
| } | ||
| const setInputNamesCb = GodotRuntime.get_func(pSetInputNamesCb); | ||
| const onMidiMessageCb = GodotRuntime.get_func(pOnMidiMessageCb); | ||
|
|
||
| GodotWebMidi.isListening = true; | ||
| navigator.requestMIDIAccess().then((midi) => { | ||
| const inputs = [...midi.inputs.values()]; | ||
| const inputNames = inputs.map((input) => input.name); | ||
|
|
||
| const c_ptr = GodotRuntime.allocStringArray(inputNames); | ||
| setInputNamesCb(inputNames.length, c_ptr); | ||
| GodotRuntime.freeStringArray(c_ptr, inputNames.length); | ||
|
|
||
| inputs.forEach((input, i) => { | ||
| const abortController = new AbortController(); | ||
| GodotWebMidi.abortControllers.push(abortController); | ||
| input.addEventListener('midimessage', (event) => { | ||
| const status = event.data[0]; | ||
| const data = event.data.slice(1); | ||
| const size = data.length; | ||
|
|
||
| if (size > dataBufferLen) { | ||
| throw new Error(`data too big ${size} > ${dataBufferLen}`); | ||
| } | ||
| HEAPU8.set(data, pDataBuffer); | ||
|
|
||
| onMidiMessageCb(i, status, pDataBuffer, data.length); | ||
| }, { signal: abortController.signal }); | ||
| }); | ||
| }); | ||
|
|
||
| return 0; // OK | ||
| }, | ||
|
|
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| godot_js_webmidi_close_midi_inputs__deps: ['$GodotWebMidi'], | ||
| godot_js_webmidi_close_midi_inputs__proxy: 'sync', | ||
| godot_js_webmidi_close_midi_inputs__sig: 'v', | ||
| godot_js_webmidi_close_midi_inputs: function () { | ||
| for (const abortController of GodotWebMidi.abortControllers) { | ||
| abortController.abort(); | ||
| } | ||
| GodotWebMidi.abortControllers = []; | ||
| GodotWebMidi.isListening = false; | ||
| }, | ||
| }; | ||
|
|
||
| mergeInto(LibraryManager.library, GodotWebMidi); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /**************************************************************************/ | ||
| /* webmidi_driver.cpp */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* 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. */ | ||
| /**************************************************************************/ | ||
|
|
||
| #include "webmidi_driver.h" | ||
|
|
||
| #include <emscripten.h> | ||
|
|
||
| MIDIDriverWebMidi *MIDIDriverWebMidi::get_singleton() { | ||
| return static_cast<MIDIDriverWebMidi *>(MIDIDriver::get_singleton()); | ||
| } | ||
|
|
||
| Error MIDIDriverWebMidi::open() { | ||
| Error error = godot_js_webmidi_open_midi_inputs(&MIDIDriverWebMidi::set_input_names_callback, &MIDIDriverWebMidi::on_midi_message, _event_buffer, MIDIDriverWebMidi::MAX_EVENT_BUFFER_LENGTH); | ||
| if (error == ERR_UNAVAILABLE) { | ||
| ERR_PRINT("Web MIDI is not supported on this browser"); | ||
| } | ||
| return error; | ||
| } | ||
|
|
||
| void MIDIDriverWebMidi::close() { | ||
| get_singleton()->connected_input_names.clear(); | ||
| godot_js_webmidi_close_midi_inputs(); | ||
| } | ||
|
|
||
| MIDIDriverWebMidi::~MIDIDriverWebMidi() { | ||
| close(); | ||
| } | ||
|
|
||
| void MIDIDriverWebMidi::set_input_names_callback(int p_size, const char **p_input_names) { | ||
| Vector<String> input_names; | ||
| for (int i = 0; i < p_size; i++) { | ||
| input_names.append(String::utf8(p_input_names[i])); | ||
| } | ||
| #ifdef PROXY_TO_PTHREAD_ENABLED | ||
| if (!Thread::is_main_thread()) { | ||
| callable_mp_static(MIDIDriverWebMidi::_set_input_names_callback).call_deferred(input_names); | ||
| return; | ||
| } | ||
| #endif | ||
|
|
||
| _set_input_names_callback(input_names); | ||
| } | ||
|
|
||
| void MIDIDriverWebMidi::_set_input_names_callback(const Vector<String> &p_input_names) { | ||
| get_singleton()->connected_input_names.clear(); | ||
| for (int i = 0; i < p_input_names.size(); i++) { | ||
| get_singleton()->connected_input_names.push_back(p_input_names[i]); | ||
| } | ||
| } | ||
|
|
||
| void MIDIDriverWebMidi::on_midi_message(int p_device_index, uint8_t p_status, const uint8_t *p_data, size_t p_data_len) { | ||
| #ifdef PROXY_TO_PTHREAD_ENABLED | ||
| if (!Thread::is_main_thread()) { | ||
| callable_mp_static(MIDIDriverWebMidi::send_event).call_deferred(p_device_index, p_status, p_data, p_data_len); | ||
| return; | ||
| } | ||
| #endif | ||
| MIDIDriver::send_event(p_device_index, p_status, p_data, p_data_len); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /**************************************************************************/ | ||
| /* webmidi_driver.h */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* 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. */ | ||
| /**************************************************************************/ | ||
|
|
||
| #ifndef WEBMIDI_DRIVER_H | ||
| #define WEBMIDI_DRIVER_H | ||
| #include "core/os/midi_driver.h" | ||
|
|
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| #include "godot_js.h" | ||
| #include "godot_midi.h" | ||
|
|
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| class MIDIDriverWebMidi : public MIDIDriver { | ||
| private: | ||
| static const int MAX_EVENT_BUFFER_LENGTH = 2; | ||
| uint8_t _event_buffer[MAX_EVENT_BUFFER_LENGTH]; | ||
|
|
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| public: | ||
| // Override return type to make writing static callbacks less tedious. | ||
| static MIDIDriverWebMidi *get_singleton(); | ||
|
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| virtual Error open() override; | ||
| virtual void close() override final; | ||
|
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| MIDIDriverWebMidi() = default; | ||
| virtual ~MIDIDriverWebMidi(); | ||
|
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| WASM_EXPORT static void set_input_names_callback(int p_size, const char **p_input_names); | ||
| static void _set_input_names_callback(const Vector<String> &p_input_names); | ||
|
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| WASM_EXPORT static void on_midi_message(int p_device_index, uint8_t p_status, const uint8_t *p_data, size_t p_data_len); | ||
| }; | ||
|
|
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| #endif // WEBMIDI_DRIVER_H |