336 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			336 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2016 Jack Humbert
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| #include "process_music.h"
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| 
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| #ifdef AUDIO_ENABLE
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| #include "process_audio.h"
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| #endif
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| #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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| #include "process_midi.h"
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| #endif
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| 
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| #if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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| 
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| bool music_activated = false;
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| bool midi_activated = false;
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| uint8_t music_starting_note = 0x0C;
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| int music_offset = 7;
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| uint8_t music_mode = MUSIC_MODE_MAJOR;
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| 
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| // music sequencer
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| static bool music_sequence_recording = false;
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| static bool music_sequence_recorded = false;
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| static bool music_sequence_playing = false;
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| static uint8_t music_sequence[16] = {0};
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| static uint8_t music_sequence_count = 0;
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| static uint8_t music_sequence_position = 0;
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| 
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| static uint16_t music_sequence_timer = 0;
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| static uint16_t music_sequence_interval = 100;
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| 
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| #ifdef AUDIO_ENABLE
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|   #ifndef MUSIC_ON_SONG
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|     #define MUSIC_ON_SONG SONG(MUSIC_ON_SOUND)
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|   #endif
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|   #ifndef MUSIC_OFF_SONG
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|     #define MUSIC_OFF_SONG SONG(MUSIC_OFF_SOUND)
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|   #endif
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|   #ifndef MIDI_ON_SONG
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|     #define MIDI_ON_SONG SONG(MUSIC_ON_SOUND)
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|   #endif
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|   #ifndef MIDI_OFF_SONG
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|     #define MIDI_OFF_SONG SONG(MUSIC_OFF_SOUND)
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|   #endif
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|   #ifndef CHROMATIC_SONG
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|     #define CHROMATIC_SONG SONG(CHROMATIC_SOUND)
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|   #endif
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|   #ifndef GUITAR_SONG
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|     #define GUITAR_SONG SONG(GUITAR_SOUND)
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|   #endif
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|   #ifndef VIOLIN_SONG
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|     #define VIOLIN_SONG SONG(VIOLIN_SOUND)
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|   #endif
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|   #ifndef MAJOR_SONG
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|     #define MAJOR_SONG SONG(MAJOR_SOUND)
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|   #endif
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|   float music_mode_songs[NUMBER_OF_MODES][5][2] = {
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|     CHROMATIC_SONG,
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|     GUITAR_SONG,
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|     VIOLIN_SONG,
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|     MAJOR_SONG
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|   };
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|   float music_on_song[][2] = MUSIC_ON_SONG;
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|   float music_off_song[][2] = MUSIC_OFF_SONG;
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|   float midi_on_song[][2] = MIDI_ON_SONG;
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|   float midi_off_song[][2] = MIDI_OFF_SONG;
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| #endif
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| 
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| static void music_noteon(uint8_t note) {
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|     #ifdef AUDIO_ENABLE
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|     if (music_activated)
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|       process_audio_noteon(note);
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|     #endif
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|     #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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|     if (midi_activated)
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|       process_midi_basic_noteon(note);
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|     #endif
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| }
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| 
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| static void music_noteoff(uint8_t note) {
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|     #ifdef AUDIO_ENABLE
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|     if (music_activated)
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|       process_audio_noteoff(note);
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|     #endif
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|     #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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|     if (midi_activated)
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|       process_midi_basic_noteoff(note);
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|     #endif
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| }
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| 
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| void music_all_notes_off(void) {
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|     #ifdef AUDIO_ENABLE
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|     if (music_activated)
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|       process_audio_all_notes_off();
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|     #endif
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|     #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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|     if (midi_activated)
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|       process_midi_all_notes_off();
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|     #endif
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| }
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| 
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| bool process_music(uint16_t keycode, keyrecord_t *record) {
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| 
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|     if (keycode == MU_ON && record->event.pressed) {
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|         music_on();
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|         return false;
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|     }
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| 
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|     if (keycode == MU_OFF && record->event.pressed) {
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|         music_off();
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|         return false;
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|     }
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| 
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|     if (keycode == MU_TOG && record->event.pressed) {
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|         if (music_activated) {
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|             music_off();
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|         } else {
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|             music_on();
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|         }
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|         return false;
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|     }
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| 
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|     if (keycode == MI_ON && record->event.pressed) {
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|         midi_on();
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|         return false;
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|     }
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| 
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|     if (keycode == MI_OFF && record->event.pressed) {
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|         midi_off();
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|         return false;
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|     }
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| 
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|     if (keycode == MI_TOG && record->event.pressed) {
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|         if (midi_activated) {
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|             midi_off();
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|         } else {
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|             midi_on();
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|         }
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|         return false;
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|     }
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| 
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|     if (keycode == MU_MOD && record->event.pressed) {
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|       music_mode_cycle();
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|       return false;
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|     }
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| 
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|     if (music_activated || midi_activated) {
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|       if (record->event.pressed) {
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|         if (keycode == KC_LCTL) { // Start recording
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|           music_all_notes_off();
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|           music_sequence_recording = true;
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|           music_sequence_recorded = false;
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|           music_sequence_playing = false;
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|           music_sequence_count = 0;
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|           return false;
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|         }
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| 
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|         if (keycode == KC_LALT) { // Stop recording/playing
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|           music_all_notes_off();
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|           if (music_sequence_recording) { // was recording
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|             music_sequence_recorded = true;
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|           }
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|           music_sequence_recording = false;
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|           music_sequence_playing = false;
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|           return false;
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|         }
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| 
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|         if (keycode == KC_LGUI && music_sequence_recorded) { // Start playing
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|           music_all_notes_off();
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|           music_sequence_recording = false;
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|           music_sequence_playing = true;
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|           music_sequence_position = 0;
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|           music_sequence_timer = 0;
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|           return false;
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|         }
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| 
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|         if (keycode == KC_UP) {
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|           music_sequence_interval-=10;
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|           return false;
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|         }
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| 
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|         if (keycode == KC_DOWN) {
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|           music_sequence_interval+=10;
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|           return false;
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|         }
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|       }
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| 
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|       uint8_t note;
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|       if (music_mode == MUSIC_MODE_CHROMATIC)
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|         note = (music_starting_note + record->event.key.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.row);
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|       else if (music_mode == MUSIC_MODE_GUITAR)
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|         note = (music_starting_note + record->event.key.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.row);
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|       else if (music_mode == MUSIC_MODE_VIOLIN)
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|         note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row);
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|       else if (music_mode == MUSIC_MODE_MAJOR)
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|         note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row);
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|       else
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|         note = music_starting_note;
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| 
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|       if (record->event.pressed) {
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|         music_noteon(note);
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|         if (music_sequence_recording) {
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|           music_sequence[music_sequence_count] = note;
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|           music_sequence_count++;
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|         }
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|       } else {
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|         music_noteoff(note);
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|       }
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| 
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|       if (music_mask(keycode))
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|         return false;
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|     }
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| 
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|     return true;
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| }
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| 
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| bool music_mask(uint16_t keycode) {
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|   #ifdef MUSIC_MASK
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|     return MUSIC_MASK;
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|   #else
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|     return music_mask_kb(keycode);
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|   #endif
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| }
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| 
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| __attribute__((weak))
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| bool music_mask_kb(uint16_t keycode) {
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|   return music_mask_user(keycode);
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| }
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| 
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| __attribute__((weak))
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| bool music_mask_user(uint16_t keycode) {
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|   return keycode < 0xFF;
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| }
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| 
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| bool is_music_on(void) {
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|     return (music_activated != 0);
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| }
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| 
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| void music_toggle(void) {
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|     if (!music_activated) {
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|         music_on();
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|     } else {
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|         music_off();
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|     }
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| }
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| 
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| void music_on(void) {
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|     music_activated = 1;
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|     #ifdef AUDIO_ENABLE
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|       PLAY_SONG(music_on_song);
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|     #endif
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|     music_on_user();
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| }
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| 
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| void music_off(void) {
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|     music_all_notes_off();
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|     music_activated = 0;
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|     #ifdef AUDIO_ENABLE
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|       PLAY_SONG(music_off_song);
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|     #endif
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| }
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| 
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| bool is_midi_on(void) {
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|     return (midi_activated != 0);
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| }
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| 
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| void midi_toggle(void) {
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|     if (!midi_activated) {
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|         midi_on();
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|     } else {
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|         midi_off();
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|     }
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| }
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| 
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| void midi_on(void) {
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|     midi_activated = 1;
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|     #ifdef AUDIO_ENABLE
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|       PLAY_SONG(midi_on_song);
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|     #endif
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|     midi_on_user();
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| }
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| 
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| void midi_off(void) {
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|     #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
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|       process_midi_all_notes_off();
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|     #endif
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|     midi_activated = 0;
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|     #ifdef AUDIO_ENABLE
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|       PLAY_SONG(midi_off_song);
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|     #endif
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| }
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| 
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| void music_mode_cycle(void) {
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|   music_all_notes_off();
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|   music_mode = (music_mode + 1) % NUMBER_OF_MODES;
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|   #ifdef AUDIO_ENABLE
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|     PLAY_SONG(music_mode_songs[music_mode]);
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|   #endif
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| }
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| 
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| void matrix_scan_music(void) {
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|   if (music_sequence_playing) {
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|     if ((music_sequence_timer == 0) || (timer_elapsed(music_sequence_timer) > music_sequence_interval)) {
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|       music_sequence_timer = timer_read();
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|       uint8_t prev_note = music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)];
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|       uint8_t next_note = music_sequence[music_sequence_position];
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|       music_noteoff(prev_note);
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|       music_noteon(next_note);
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|       music_sequence_position = (music_sequence_position + 1) % music_sequence_count;
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|     }
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|   }
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| }
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| 
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| __attribute__ ((weak))
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| void music_on_user() {}
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| 
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| __attribute__ ((weak))
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| void midi_on_user() {}
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| 
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| __attribute__ ((weak))
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| void music_scale_user() {}
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| 
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| #endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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