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zero tracker upd

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This commit is contained in:
RogueMaster
2022-11-24 03:46:04 -05:00
parent 6f5547bfd4
commit 051b7e0e61
5 changed files with 244 additions and 8 deletions
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14
applications/plugins/musictracker/tracker_engine/tracker.c
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@@ -40,7 +40,7 @@ typedef struct {
} UnpackedRow;
struct Tracker {
Song* song;
const Song* song;
bool playing;
TrackerMessageCallback callback;
void* context;
@@ -126,9 +126,9 @@ static float frequency_get_seventh_of_a_semitone(float frequency) {
return frequency * ((1.0f / 12.0f) / 7.0f);
}
static UnpackedRow get_current_row(Song* song, SongState* song_state, uint8_t channel) {
Pattern* pattern = &song->patterns[song_state->pattern_index];
Row row = pattern->channels[channel].rows[song_state->row_index];
static UnpackedRow get_current_row(const Song* song, SongState* song_state, uint8_t channel) {
const Pattern* pattern = &song->patterns[song_state->pattern_index];
const Row row = pattern->channels[channel].rows[song_state->row_index];
return (UnpackedRow){
.note = record_get_note(row),
.effect = record_get_effect(row),
@@ -136,7 +136,7 @@ static UnpackedRow get_current_row(Song* song, SongState* song_state, uint8_t ch
};
}
static int16_t advance_order_and_get_next_pattern_index(Song* song, SongState* song_state) {
static int16_t advance_order_and_get_next_pattern_index(const Song* song, SongState* song_state) {
song_state->order_list_index++;
if(song_state->order_list_index >= song->order_list_size) {
return -1;
@@ -205,7 +205,7 @@ static void tracker_interrupt_body(Tracker* tracker) {
const uint8_t channel_index = 0;
SongState* song_state = &tracker->song_state;
ChannelState* channel_state = &song_state->channels[channel_index];
Song* song = tracker->song;
const Song* song = tracker->song;
UnpackedRow row = get_current_row(song, song_state, channel_index);
// load frequency from note at tick 0
@@ -403,7 +403,7 @@ void tracker_set_message_callback(Tracker* tracker, TrackerMessageCallback callb
tracker->context = context;
}
void tracker_set_song(Tracker* tracker, Song* song) {
void tracker_set_song(Tracker* tracker, const Song* song) {
furi_check(tracker->playing == false);
tracker->song = song;
tracker_song_state_init(tracker);