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#include "process_music.h"
bool music_activated = false;
uint8_t music_starting_note = 0x0C;
int music_offset = 7;
// music sequencer
static bool music_sequence_recording = false;
static bool music_sequence_recorded = false;
static bool music_sequence_playing = false;
static float music_sequence[16] = {0};
static uint8_t music_sequence_count = 0;
static uint8_t music_sequence_position = 0;
static uint16_t music_sequence_timer = 0;
static uint16_t music_sequence_interval = 100;
bool process_music(uint16_t keycode, keyrecord_t *record) {
#ifdef AUDIO_ENABLE
if (keycode == AU_ON && record->event.pressed) {
audio_on();
return false;
}
if (keycode == AU_OFF && record->event.pressed) {
audio_off();
return false;
}
if (keycode == AU_TOG && record->event.pressed) {
if (is_audio_on())
{
audio_off();
}
else
{
audio_on();
}
return false;
}
#endif // AUDIO_ENABLE
if (keycode == MU_ON && record->event.pressed) {
music_on();
return false;
}
if (keycode == MU_OFF && record->event.pressed) {
music_off();
return false;
}
if (keycode == MU_TOG && record->event.pressed) {
if (music_activated)
{
music_off();
}
else
{
music_on();
}
return false;
}
#ifdef AUDIO_ENABLE
if (keycode == MUV_IN && record->event.pressed) {
voice_iterate();
music_scale_user();
return false;
}
if (keycode == MUV_DE && record->event.pressed) {
voice_deiterate();
music_scale_user();
return false;
}
#endif // AUDIO_ENABLE
if (music_activated) {
if (keycode == KC_LCTL && record->event.pressed) { // Start recording
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_sequence_recording = true;
music_sequence_recorded = false;
music_sequence_playing = false;
music_sequence_count = 0;
return false;
}
if (keycode == KC_LALT && record->event.pressed) { // Stop recording/playing
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
if (music_sequence_recording) { // was recording
music_sequence_recorded = true;
}
music_sequence_recording = false;
music_sequence_playing = false;
return false;
}
if (keycode == KC_LGUI && record->event.pressed && music_sequence_recorded) { // Start playing
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
music_sequence_recording = false;
music_sequence_playing = true;
music_sequence_position = 0;
music_sequence_timer = 0;
return false;
}
if (keycode == KC_UP) {
if (record->event.pressed)
music_sequence_interval-=10;
return false;
}
if (keycode == KC_DOWN) {
if (record->event.pressed)
music_sequence_interval+=10;
return false;
}
#define MUSIC_MODE_GUITAR
#ifdef AUDIO_ENABLE
#ifdef MUSIC_MODE_CHROMATIC
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(MATRIX_ROWS - record->event.key.row));
#elif defined(MUSIC_MODE_GUITAR)
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 7)*5.0/12);
#elif defined(MUSIC_MODE_VIOLIN)
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 5)*7.0/12);
#else
float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + SCALE[record->event.key.col + music_offset])/12.0+(MATRIX_ROWS - record->event.key.row));
#endif
#endif // AUDIO_ENABLE
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
play_note(freq, 0xF);
if (music_sequence_recording) {
music_sequence[music_sequence_count] = freq;
music_sequence_count++;
}
#endif
} else {
#ifdef AUDIO_ENABLE
stop_note(freq);
#endif
}
if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
return false;
}
return true;
}
bool is_music_on(void) {
return (music_activated != 0);
}
void music_toggle(void) {
if (!music_activated) {
music_on();
} else {
music_off();
}
}
void music_on(void) {
music_activated = 1;
music_on_user();
}
void music_off(void) {
music_activated = 0;
#ifdef AUDIO_ENABLE
stop_all_notes();
#endif
}
__attribute__ ((weak))
void music_on_user() {}
#ifdef AUDIO_ENABLE
__attribute__ ((weak))
void audio_on_user() {}
#endif
__attribute__ ((weak))
void music_scale_user() {}
void matrix_scan_music(void) {
if (music_sequence_playing) {
if ((music_sequence_timer == 0) || (timer_elapsed(music_sequence_timer) > music_sequence_interval)) {
music_sequence_timer = timer_read();
#ifdef AUDIO_ENABLE
stop_note(music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)]);
play_note(music_sequence[music_sequence_position], 0xF);
#endif
music_sequence_position = (music_sequence_position + 1) % music_sequence_count;
}
}
}
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