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Merge pull request #20154 from marcelofg55/midi_driver
Added a new MIDIDriver class
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /*************************************************************************/ | ||
| /* midi_driver.cpp */ | ||
| /*************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /*************************************************************************/ | ||
| /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ | ||
| /* Copyright (c) 2014-2018 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. */ | ||
| /*************************************************************************/ | ||
|
|
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| #include "midi_driver.h" | ||
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| #include "main/input_default.h" | ||
| #include "os/os.h" | ||
|
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| MIDIDriver *MIDIDriver::singleton = NULL; | ||
| MIDIDriver *MIDIDriver::get_singleton() { | ||
|
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| return singleton; | ||
| } | ||
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| void MIDIDriver::set_singleton() { | ||
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| singleton = this; | ||
| } | ||
|
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| void MIDIDriver::receive_input_packet(uint64_t timestamp, uint8_t *data, uint32_t length) { | ||
|
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| Ref<InputEventMIDI> event; | ||
| event.instance(); | ||
|
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| if (length >= 1) { | ||
| event->set_channel(data[0] & 0xF); | ||
| event->set_message(data[0] >> 4); | ||
| } | ||
|
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| switch (event->get_message()) { | ||
| case MIDI_MESSAGE_AFTERTOUCH: | ||
| if (length >= 3) { | ||
| event->set_pitch(data[1]); | ||
| event->set_pressure(data[2]); | ||
| } | ||
| break; | ||
|
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| case MIDI_MESSAGE_CONTROL_CHANGE: | ||
| if (length >= 3) { | ||
| event->set_controller_number(data[1]); | ||
| event->set_controller_value(data[2]); | ||
| } | ||
| break; | ||
|
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| case MIDI_MESSAGE_NOTE_ON: | ||
| case MIDI_MESSAGE_NOTE_OFF: | ||
| case MIDI_MESSAGE_PITCH_BEND: | ||
| if (length >= 3) { | ||
| event->set_pitch(data[1]); | ||
| event->set_velocity(data[2]); | ||
| } | ||
| break; | ||
|
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| case MIDI_MESSAGE_PROGRAM_CHANGE: | ||
| if (length >= 2) { | ||
| event->set_instrument(data[1]); | ||
| } | ||
| break; | ||
|
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| case MIDI_MESSAGE_CHANNEL_PRESSURE: | ||
| if (length >= 2) { | ||
| event->set_pressure(data[1]); | ||
| } | ||
| break; | ||
| } | ||
|
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| InputDefault *id = Object::cast_to<InputDefault>(Input::get_singleton()); | ||
| id->parse_input_event(event); | ||
| } | ||
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| PoolStringArray MIDIDriver::get_connected_inputs() { | ||
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| PoolStringArray list; | ||
| return list; | ||
| } | ||
|
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| MIDIDriver::MIDIDriver() { | ||
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| set_singleton(); | ||
| } |
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