void AL_Update(void)
{
int i;
channel_t *ch;
vec_t orientation[6];
if (!s_active) {
return;
}
paintedtime = cl.time;
// set listener parameters
qalListener3f(AL_POSITION, AL_UnpackVector(listener_origin));
AL_CopyVector(listener_forward, orientation);
AL_CopyVector(listener_up, orientation + 3);
qalListenerfv(AL_ORIENTATION, orientation);
qalListenerf(AL_GAIN, s_volume->value);
qalDistanceModel(AL_LINEAR_DISTANCE_CLAMPED);
// update spatialization for dynamic sounds
ch = channels;
for (i = 0; i < s_numchannels; i++, ch++) {
if (!ch->sfx)
continue;
if (ch->autosound) {
// autosounds are regenerated fresh each frame
if (ch->autoframe != s_framecount) {
AL_StopChannel(ch);
continue;
}
} else {
ALenum state;
qalGetError();
qalGetSourcei(ch->srcnum, AL_SOURCE_STATE, &state);
if (qalGetError() != AL_NO_ERROR || state == AL_STOPPED) {
AL_StopChannel(ch);
continue;
}
}
#ifdef _DEBUG
if (s_show->integer) {
Com_Printf("%.1f %s\n", ch->master_vol, ch->sfx->name);
// total++;
}
#endif
AL_Spatialize(ch); // respatialize channel
}
s_framecount++;
// add loopsounds
AL_AddLoopSounds();
AL_IssuePlaysounds();
}
/*
* Main update function. Called every frame,
* performes all necessary calculations.
*/
void
AL_Update ( void )
{
q_int32_t i;
channel_t *ch;
vec_t orientation[6];
paintedtime = cl.time;
/* set listener (player) parameters */
AL_CopyVector ( listener_forward, orientation );
AL_CopyVector ( listener_up, orientation + 3 );
qalListenerf ( AL_GAIN, s_volume->value );
qalListenerf ( AL_MAX_GAIN, s_openal_maxgain->value );
qalDistanceModel ( AL_LINEAR_DISTANCE_CLAMPED );
qalListener3f ( AL_POSITION, AL_UnpackVector ( listener_origin ) );
qalListenerfv ( AL_ORIENTATION, orientation );
/* update spatialization for dynamic sounds */
ch = channels;
for ( i = 0; i < s_numchannels; i++, ch++ ) {
if ( !ch->sfx ) {
continue;
}
if ( ch->autosound ) {
/* autosounds are regenerated fresh each frame */
if ( ch->autoframe != s_framecount ) {
AL_StopChannel ( ch );
continue;
}
} else {
ALenum state;
qalGetError();
qalGetSourcei ( ch->srcnum, AL_SOURCE_STATE, &state );
if ( ( qalGetError() != AL_NO_ERROR ) || ( state == AL_STOPPED ) ) {
AL_StopChannel ( ch );
continue;
}
}
if ( s_show->value ) {
Com_Printf ( "%3i %s\n", ch->master_vol, ch->sfx->name );
}
/* respatialize channel */
AL_Spatialize ( ch );
}
s_framecount++;
/* add loopsounds */
AL_AddLoopSounds();
/* add music */
#ifdef HT_WITH_OGG
OGG_Stream();
#endif
AL_StreamUpdate();
AL_IssuePlaysounds();
}
/*
* Stops playback of all channels.
*/
void
AL_StopAllChannels(void)
{
int i;
channel_t *ch;
ch = channels;
/* It doesn't matter if a channel
is active or not. */
for (i = 0; i < s_numchannels; i++, ch++)
{
if (!ch->sfx)
{
continue;
}
AL_StopChannel(ch);
}
s_rawend = 0;
/* Remove all pending samples */
AL_StreamDie();
}
void AL_PlayChannel(channel_t *ch)
{
sfxcache_t *sc = ch->sfx->cache;
#ifdef _DEBUG
if (s_show->integer > 1)
Com_Printf("%s: %s\n", __func__, ch->sfx->name);
#endif
ch->srcnum = s_srcnums[ch - channels];
qalGetError();
qalSourcei(ch->srcnum, AL_BUFFER, sc->bufnum);
//qalSourcei(ch->srcnum, AL_LOOPING, sc->loopstart == -1 ? AL_FALSE : AL_TRUE);
qalSourcei(ch->srcnum, AL_LOOPING, ch->autosound ? AL_TRUE : AL_FALSE);
qalSourcef(ch->srcnum, AL_GAIN, ch->master_vol);
qalSourcef(ch->srcnum, AL_REFERENCE_DISTANCE, SOUND_FULLVOLUME);
qalSourcef(ch->srcnum, AL_MAX_DISTANCE, 8192);
qalSourcef(ch->srcnum, AL_ROLLOFF_FACTOR, ch->dist_mult * (8192 - SOUND_FULLVOLUME));
AL_Spatialize(ch);
// play it
qalSourcePlay(ch->srcnum);
if (qalGetError() != AL_NO_ERROR) {
AL_StopChannel(ch);
}
}
/*
* Plays a channel (in the frontends
* sense) with OpenAL.
*/
void
AL_PlayChannel(channel_t *ch)
{
sfxcache_t *sc;
float vol;
/* Debug */
if (s_show->value > 1)
{
Com_Printf("%s: %s\n", __func__, ch->sfx->name);
}
/* Clamp volume */
vol = ch->oal_vol;
if (vol > 1.0f)
{
vol = 1.0f;
}
sc = ch->sfx->cache;
ch->srcnum = s_srcnums[ch - channels];
qalGetError();
qalSourcef(ch->srcnum, AL_REFERENCE_DISTANCE, SOUND_FULLVOLUME);
qalSourcef(ch->srcnum, AL_MAX_DISTANCE, 8192);
qalSourcef(ch->srcnum, AL_ROLLOFF_FACTOR, ch->dist_mult * (8192 - SOUND_FULLVOLUME));
qalSourcef(ch->srcnum, AL_GAIN, vol);
qalSourcei(ch->srcnum, AL_BUFFER, sc->bufnum);
qalSourcei(ch->srcnum, AL_LOOPING, ch->autosound ? AL_TRUE : AL_FALSE);
if ((ch->entnum == -1) || (ch->entnum == cl.playernum + 1) || !ch->dist_mult)
{
/* anything coming from the view entity will always
* be full volume and at the listeners position */
qalSource3f(ch->srcnum, AL_POSITION, 0.0f, 0.0f, 0.0f);
qalSourcei(ch->srcnum, AL_SOURCE_RELATIVE, AL_TRUE);
}
else
{
/* all other sources are *not* relative */
qalSourcei(ch->srcnum, AL_SOURCE_RELATIVE, AL_FALSE);
}
/* Spatialize it */
AL_Spatialize(ch);
/* Play it */
qalSourcePlay(ch->srcnum);
/* Do not play broken channels */
if (qalGetError() != AL_NO_ERROR)
{
AL_StopChannel(ch);
}
}
void AL_StopAllChannels( void ) {
int i;
channel_t *ch;
ch = channels;
for( i = 0; i < s_numchannels; i++, ch++ ) {
if (!ch->sfx)
continue;
AL_StopChannel( ch );
}
}
/*
* Plays a channel (in the frontends
* sense) with OpenAL.
*/
void
AL_PlayChannel(channel_t *ch)
{
sfxcache_t *sc;
float vol;
/* Debug */
if (s_show->value > 1)
{
Com_Printf("%s: %s\n", __func__, ch->sfx->name);
}
/* Clamp volume */
vol = ch->oal_vol + s_volume->value;
if (vol > 1.0f)
{
vol = 1.0f;
}
sc = ch->sfx->cache;
ch->srcnum = s_srcnums[ch - channels];
qalGetError();
qalSourcef(ch->srcnum, AL_REFERENCE_DISTANCE, SOUND_FULLVOLUME);
qalSourcef(ch->srcnum, AL_MAX_DISTANCE, 8192);
qalSourcef(ch->srcnum, AL_ROLLOFF_FACTOR, ch->dist_mult * (8192 - SOUND_FULLVOLUME));
qalSourcef(ch->srcnum, AL_GAIN, vol);
qalSourcei(ch->srcnum, AL_BUFFER, sc->bufnum);
qalSourcei(ch->srcnum, AL_LOOPING, ch->autosound ? AL_TRUE : AL_FALSE);
/* Spatialize it */
AL_Spatialize(ch);
/* Play it */
qalSourcePlay(ch->srcnum);
/* Do not play broken channels */
if (qalGetError() != AL_NO_ERROR)
{
AL_StopChannel(ch);
}
}
void
AL_StopAllChannels(void)
{
int i;
channel_t *ch;
ch = channels;
for (i = 0; i < s_numchannels; i++, ch++)
{
if (!ch->sfx)
{
continue;
}
AL_StopChannel(ch);
}
s_rawend = 0;
S_AL_StreamDie();
}
