/**
* @brief Plays a voice.
*/
static int al_playVoice( alVoice *v, alSound *s,
ALfloat px, ALfloat py, ALfloat vx, ALfloat vy, ALint relative )
{
/* Must be below the limit. */
if (sound_speed > SOUND_SPEED_PLAY_LIMIT)
return 0;
/* Set up the source and buffer. */
v->u.al.source = sound_al_getSource();
if (v->u.al.source == 0)
return -1;
v->u.al.buffer = s->u.al.buf;
soundLock();
/* Attach buffer. */
alSourcei( v->u.al.source, AL_BUFFER, v->u.al.buffer );
/* Enable positional sound. */
alSourcei( v->u.al.source, AL_SOURCE_RELATIVE, relative );
/* Update position. */
v->u.al.pos[0] = px;
v->u.al.pos[1] = py;
v->u.al.pos[2] = 0.;
v->u.al.vel[0] = vx;
v->u.al.vel[1] = vy;
v->u.al.vel[2] = 0.;
/* Set up properties. */
alSourcef( v->u.al.source, AL_GAIN, svolume*svolume_speed );
alSourcefv( v->u.al.source, AL_POSITION, v->u.al.pos );
alSourcefv( v->u.al.source, AL_VELOCITY, v->u.al.vel );
/* Defaults just in case. */
alSourcei( v->u.al.source, AL_LOOPING, AL_FALSE );
/* Start playing. */
alSourcePlay( v->u.al.source );
/* Check for errors. */
al_checkErr();
soundUnlock();
return 0;
}
/**
* @brief Plays a voice.
*/
static int al_playVoice( alVoice *v, alSound *s,
ALfloat px, ALfloat py, ALfloat vx, ALfloat vy, ALint relative )
{
/* Set up the source and buffer. */
v->u.al.source = sound_al_getSource();
if (v->u.al.source == 0)
return -1;
v->u.al.buffer = s->u.al.buf;
soundLock();
/* Attach buffer. */
alSourcei( v->u.al.source, AL_BUFFER, v->u.al.buffer );
/* Enable positional sound. */
alSourcei( v->u.al.source, AL_SOURCE_RELATIVE, relative );
/* Update position. */
v->u.al.pos[0] = px;
v->u.al.pos[1] = py;
v->u.al.pos[2] = 0.;
v->u.al.vel[0] = vx;
v->u.al.vel[1] = vy;
v->u.al.vel[2] = 0.;
/* Set up properties. */
alSourcef( v->u.al.source, AL_GAIN, svolume );
alSourcefv( v->u.al.source, AL_POSITION, v->u.al.pos );
alSourcefv( v->u.al.source, AL_VELOCITY, v->u.al.vel );
/* Start playing. */
alSourcePlay( v->u.al.source );
/* Check for errors. */
al_checkErr();
soundUnlock();
return 0;
}
