blob: 4cd011b7094887847e1082257a38674cb7d6be82 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
// This file is part of the 64k demo project.
// It defines the tracker system for music composition.
#pragma once
#include "audio/gen.h"
#include "generated/assets.h"
#include <cstdint>
struct TrackerEvent {
float unit_time; // Unit-less time within pattern (0.0 to pattern.unit_length)
uint16_t sample_id;
float volume;
float pan;
};
struct TrackerPattern {
const TrackerEvent* events;
uint32_t num_events;
float unit_length; // Pattern duration in units (typically 1.0 for 4-beat patterns)
};
struct TrackerPatternTrigger {
float unit_time; // Unit-less time when pattern triggers
uint16_t pattern_id;
// Modifiers could be added here
};
struct TrackerScore {
const TrackerPatternTrigger* triggers;
uint32_t num_triggers;
float bpm; // BPM is used only for playback scaling (1 unit = 4 beats)
};
// Global music data generated by tracker_compiler
extern const NoteParams g_tracker_samples[];
extern const uint32_t g_tracker_samples_count;
extern const AssetId g_tracker_sample_assets[];
extern const TrackerPattern g_tracker_patterns[];
extern const uint32_t g_tracker_patterns_count;
extern const TrackerScore g_tracker_score;
void tracker_init();
void tracker_update(float music_time_sec);
void tracker_reset(); // Reset tracker state (for tests/seeking)
|
