/*
* S_StartSound
*/
static void S_StartSound( sfx_t *sfx, const vec3_t origin, int entNum, int channel, float fvol, float attenuation )
{
src_t *src;
if( !sfx )
return;
src = S_AllocSource( SRCPRI_ONESHOT, entNum, channel );
if( !src )
return;
source_setup( src, sfx, SRCPRI_ONESHOT, entNum, channel, fvol, attenuation );
if( src->attenuation )
{
if( origin )
VectorCopy( origin, src->origin );
else
src->isTracking = qtrue;
}
source_spatialize( src );
qalSourcePlay( src->source );
}
/*
* source_loop
*/
static void source_loop( int priority, sfx_t *sfx, int entNum, float fvol, float attenuation )
{
src_t *src;
qboolean new_source = qfalse;
if( !sfx )
return;
if( entNum < 0 )
return;
// Do we need to start a new sound playing?
if( !entlist[entNum].src )
{
src = S_AllocSource( priority, entNum, 0 );
if( !src )
return;
new_source = qtrue;
}
else if( entlist[entNum].src->sfx != sfx )
{
// Need to restart. Just re-use this channel
src = entlist[entNum].src;
source_kill( src );
new_source = qtrue;
}
else
{
src = entlist[entNum].src;
}
if( new_source )
{
source_setup( src, sfx, priority, entNum, -1, fvol, attenuation );
qalSourcei( src->source, AL_LOOPING, AL_TRUE );
src->isLooping = qtrue;
entlist[entNum].src = src;
}
qalSourcef( src->source, AL_GAIN, src->fvol * s_volume->value );
qalSourcef( src->source, AL_REFERENCE_DISTANCE, s_attenuation_refdistance );
qalSourcef( src->source, AL_MAX_DISTANCE, s_attenuation_maxdistance );
qalSourcef( src->source, AL_ROLLOFF_FACTOR, attenuation );
if( new_source )
{
if( src->attenuation )
src->isTracking = qtrue;
source_spatialize( src );
qalSourcePlay( src->source );
}
entlist[entNum].touched = qtrue;
}
static void music_source_get( void )
{
// Allocate a source at high priority
src = S_AllocSource( SRCPRI_STREAM, -2, 0 );
if( !src )
return;
S_LockSource( src );
source = S_GetALSource( src );
qalSource3f( source, AL_POSITION, 0.0, 0.0, 0.0 );
qalSource3f( source, AL_VELOCITY, 0.0, 0.0, 0.0 );
qalSource3f( source, AL_DIRECTION, 0.0, 0.0, 0.0 );
qalSourcef( source, AL_ROLLOFF_FACTOR, 0.0 );
qalSourcei( source, AL_SOURCE_RELATIVE, AL_TRUE );
qalSourcef( source, AL_GAIN, s_musicvolume->value );
}
/*
* S_StartLocalSound
*/
void S_StartLocalSound( const char *name )
{
sfx_t *sfx;
src_t *src;
src = S_AllocSource( SRCPRI_LOCAL, -1, S_CHANNEL_AUTO );
if( !src )
return;
sfx = S_RegisterSound( name );
if( !sfx )
return;
source_setup( src, sfx, SRCPRI_LOCAL, -1, S_CHANNEL_AUTO, 1.0, ATTN_NONE );
qalSourcei( src->source, AL_SOURCE_RELATIVE, AL_TRUE );
qalSourcePlay( src->source );
}