Momentum-Apps/tracker_engine/tracker_engine.h

#pragma once

#include "do_effects.h"
#include "tracker_engine_defs.h"

void tracker_engine_init(TrackerEngine *tracker_engine, uint8_t rate, SoundEngine *sound_engine);
void tracker_engine_deinit(TrackerEngine *tracker_engine, bool free_song);
void tracker_engine_advance_tick(TrackerEngine *tracker_engine);
void tracker_engine_set_song(TrackerEngine *tracker_engine, TrackerSong *song);
void tracker_engine_deinit_song(TrackerSong *song, bool free_song);
void tracker_engine_trigger_instrument_internal(TrackerEngine *tracker_engine, uint8_t chan, Instrument *pinst, uint16_t note);

uint8_t tracker_engine_get_note(TrackerSongPatternStep *step);
uint8_t tracker_engine_get_instrument(TrackerSongPatternStep *step);
uint8_t tracker_engine_get_volume(TrackerSongPatternStep *step);
uint16_t tracker_engine_get_command(TrackerSongPatternStep *step);

void set_note(TrackerSongPatternStep *step, uint8_t note);
void set_instrument(TrackerSongPatternStep *step, uint8_t inst);
void set_volume(TrackerSongPatternStep *step, uint8_t vol);
void set_command(TrackerSongPatternStep *step, uint16_t command);

void set_default_instrument(Instrument *inst);
void set_empty_pattern(TrackerSongPattern *pattern, uint16_t pattern_length);