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108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*************************************************************************/
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/* midi_driver.cpp */
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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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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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#include "midi_driver.h"
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#include "core/os/os.h"
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#include "main/input_default.h"
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MIDIDriver *MIDIDriver::singleton = NULL;
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MIDIDriver *MIDIDriver::get_singleton() {
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return singleton;
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}
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void MIDIDriver::set_singleton() {
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singleton = this;
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}
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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;
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event.instance();
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if (length >= 1) {
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event->set_channel(data[0] & 0xF);
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event->set_message(data[0] >> 4);
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}
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switch (event->get_message()) {
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case MIDI_MESSAGE_AFTERTOUCH:
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if (length >= 3) {
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event->set_pitch(data[1]);
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event->set_pressure(data[2]);
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}
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break;
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case MIDI_MESSAGE_CONTROL_CHANGE:
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if (length >= 3) {
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event->set_controller_number(data[1]);
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event->set_controller_value(data[2]);
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}
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break;
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case MIDI_MESSAGE_NOTE_ON:
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case MIDI_MESSAGE_NOTE_OFF:
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case MIDI_MESSAGE_PITCH_BEND:
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if (length >= 3) {
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event->set_pitch(data[1]);
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event->set_velocity(data[2]);
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}
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break;
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case MIDI_MESSAGE_PROGRAM_CHANGE:
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if (length >= 2) {
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event->set_instrument(data[1]);
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}
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break;
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case MIDI_MESSAGE_CHANNEL_PRESSURE:
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if (length >= 2) {
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event->set_pressure(data[1]);
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}
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break;
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}
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InputDefault *id = Object::cast_to<InputDefault>(Input::get_singleton());
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id->parse_input_event(event);
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}
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PoolStringArray MIDIDriver::get_connected_inputs() {
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PoolStringArray list;
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return list;
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}
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MIDIDriver::MIDIDriver() {
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set_singleton();
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}
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