91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
|
|
/*
|
|
* REminiscence - Flashback interpreter
|
|
* Copyright (C) 2005-2018 Gregory Montoir (cyx@users.sourceforge.net)
|
|
*/
|
|
|
|
#ifndef SFX_PLAYER_H__
|
|
#define SFX_PLAYER_H__
|
|
|
|
#include "intern.h"
|
|
|
|
struct Mixer;
|
|
|
|
struct SfxPlayer {
|
|
enum {
|
|
NUM_SAMPLES = 5,
|
|
NUM_CHANNELS = 3,
|
|
FRAC_BITS = 12,
|
|
PAULA_FREQ = 3546897
|
|
};
|
|
|
|
struct Module {
|
|
const uint8_t *sampleData[NUM_SAMPLES];
|
|
const uint8_t *moduleData;
|
|
};
|
|
|
|
struct SampleInfo {
|
|
uint16_t len;
|
|
uint16_t vol;
|
|
uint16_t loopPos;
|
|
uint16_t loopLen;
|
|
int freq;
|
|
int pos;
|
|
const uint8_t *data;
|
|
|
|
int8_t getPCM(int offset) const {
|
|
if (offset < 0) {
|
|
offset = 0;
|
|
} else if (offset >= (int)len) {
|
|
offset = len - 1;
|
|
}
|
|
return (int8_t)data[offset];
|
|
}
|
|
};
|
|
|
|
static const uint8_t _musicData68[];
|
|
static const uint8_t _musicData70[];
|
|
static const uint8_t _musicData72[];
|
|
static const uint8_t _musicData73[];
|
|
static const uint8_t _musicData74[];
|
|
static const uint8_t _musicData75[];
|
|
static const uint8_t _musicDataSample1[];
|
|
static const uint8_t _musicDataSample2[]; // tick
|
|
static const uint8_t _musicDataSample3[]; // bell
|
|
static const uint8_t _musicDataSample4[];
|
|
static const uint8_t _musicDataSample5[];
|
|
static const uint8_t _musicDataSample6[];
|
|
static const uint8_t _musicDataSample7[];
|
|
static const uint8_t _musicDataSample8[];
|
|
static const Module _module68;
|
|
static const Module _module70;
|
|
static const Module _module72;
|
|
static const Module _module73;
|
|
static const Module _module74;
|
|
static const Module _module75;
|
|
static const uint16_t _periodTable[];
|
|
|
|
const Module *_mod;
|
|
bool _playing;
|
|
int _samplesLeft;
|
|
uint16_t _curOrder;
|
|
uint16_t _numOrders;
|
|
uint16_t _orderDelay;
|
|
const uint8_t *_modData;
|
|
SampleInfo _samples[NUM_CHANNELS];
|
|
Mixer *_mix;
|
|
|
|
SfxPlayer(Mixer *mixer);
|
|
|
|
void play(uint8_t num);
|
|
void stop();
|
|
void playSample(int channel, const uint8_t *sampleData, uint16_t period);
|
|
void handleTick();
|
|
void mixSamples(int8_t *samples, int samplesLen);
|
|
|
|
bool mix(int8_t *buf, int len);
|
|
static bool mixCallback(void *param, int16_t *buf, int len);
|
|
};
|
|
|
|
#endif // SFX_PLAYER_H__
|