// adjust parameters while playing
void adjust_sfx(int index,int pan,bool loop)
{
if(index<=0 || index>=WAV_COUNT || sfx_voice[index]==-1)
return;
voice_set_playmode(sfx_voice[index],loop?PLAYMODE_LOOP:PLAYMODE_PLAY);
voice_set_pan(sfx_voice[index],pan);
}
void SOUNDCLIP::set_panning(int newPanning) {
if (!is_playing()) { return; }
int voice = get_voice();
if (voice >= 0) {
voice_set_pan(voice, newPanning);
panning = newPanning;
}
}
// plays an sfx sample
void sfx(int index,int pan,bool loop, bool restart)
{
if(!sfx_init(index))
return;
voice_set_playmode(sfx_voice[index],loop?PLAYMODE_LOOP:PLAYMODE_PLAY);
voice_set_pan(sfx_voice[index],pan);
int pos = voice_get_position(sfx_voice[index]);
if(restart) voice_set_position(sfx_voice[index],0);
if(pos<=0)
voice_start(sfx_voice[index]);
}
bool JamulSoundPlay(int voice, long pan, long vol, byte playFlags)
{
// if this copy is in use, can't play it
if (voice_get_position(voice) > 0)
{
if (playFlags & SOUND_CUTOFF)
{
voice_set_position(voice, 0);
// keep going to handle the rest of the stuff
}
else
return FALSE; // can't play if it's playing
}
// set the pan and volume and start the voice
voice_set_volume(voice, vol);
voice_set_pan(voice, pan);
voice_start(voice);
return TRUE;
}
void cSoundPlayer::playSound(SAMPLE *sample, int pan, int vol) {
if (maximumVoices < 0) return;
assert(sample);
if (vol < 0) return;
assert(pan >= 0 && pan < 256);
assert(vol > 0 && vol <= 256);
// allocate voice
int voice = allocate_voice(sample);
if (voice != -1) {
voice_set_playmode(voice,0);
voice_set_volume(voice, vol);
voice_set_pan(voice, pan);
voice_start(voice);
for (int i = 0; i < maximumVoices; i++) {
if (voices[i] == -1) {
voices[i] = voice;
break;
}
}
}
}
/* (`allegro_init()' is already defined by Allegro itself.) */
static int allegro_init_sound(const char *param, int *speed,
int *fragsize, int *fragnr, int *channels)
{
unsigned int i;
/* No stereo capability. */
*channels = 1;
if (allegro_startup(*speed) < 0)
return 1;
fragment_size = *fragsize * sizeof(SWORD);
buffer_len = fragment_size * *fragnr;
buffer = create_sample(16, 0, *speed, buffer_len / sizeof(SWORD));
for (i = 0; i < buffer_len / 2; i++)
*((WORD *)buffer->data + i) = 0x8000;
voice = allocate_voice(buffer);
if (voice < 0) {
log_debug("Cannot allocate Allegro voice!\n");
destroy_sample(buffer);
return 1;
}
buffer_offset = 0;
been_suspended = 1;
written_samples = 0;
voice_set_playmode(voice, PLAYMODE_LOOP);
voice_set_volume(voice, 255);
voice_set_pan(voice, 128);
return 0;
}
void saSetPan( int channel, int data )
{
voice_set_pan(hVoice[channel],data);
}
