/*
* S_SetListener
*/
static void S_SetListener( const vec3_t origin, const vec3_t velocity, const mat3_t axis )
{
float orientation[6];
orientation[0] = axis[AXIS_FORWARD+0];
orientation[1] = axis[AXIS_FORWARD+1];
orientation[2] = axis[AXIS_FORWARD+2];
orientation[3] = axis[AXIS_UP+0];
orientation[4] = axis[AXIS_UP+1];
orientation[5] = axis[AXIS_UP+2];
qalListenerfv( AL_POSITION, origin );
qalListenerfv( AL_VELOCITY, velocity );
qalListenerfv( AL_ORIENTATION, orientation );
}
void SndAl_Respatialize( int entityNum, const vec3_t origin, vec3_t axis[ 3 ], int inwater )
{
// Axis[0] = Forward
// Axis[2] = Up
float velocity[] = { 0.0f, 0.0f, 0.0f };
float orientation[] = { axis[ 0 ][ 0 ], axis[ 0 ][ 1 ], axis[ 0 ][ 2 ],
axis[ 2 ][ 0 ], axis[ 2 ][ 1 ], axis[ 2 ][ 2 ]
};
vec3_t sorigin;
// Set OpenAL listener paramaters
VectorScale( origin, POSITION_SCALE, sorigin );
qalListenerfv( AL_POSITION, sorigin );
qalListenerfv( AL_VELOCITY, velocity );
qalListenerfv( AL_ORIENTATION, orientation );
}
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();
}
/*
* S_Update
*/
void S_Update( const vec3_t origin, const vec3_t velocity, const vec3_t forward, const vec3_t right, const vec3_t up, qboolean avidump )
{
float orientation[6];
orientation[0] = forward[0];
orientation[1] = forward[1];
orientation[2] = forward[2];
orientation[3] = up[0];
orientation[4] = up[1];
orientation[5] = up[2];
qalListenerfv( AL_POSITION, origin );
qalListenerfv( AL_VELOCITY, velocity );
qalListenerfv( AL_ORIENTATION, orientation );
S_UpdateSources();
S_UpdateStream();
S_UpdateMusic();
s_volume->modified = qfalse; // Checked by src and stream
s_musicvolume->modified = qfalse; // Checked by stream and music
if( s_doppler->modified )
{
if( s_doppler->value > 0.0f )
qalDopplerFactor( s_doppler->value );
else
qalDopplerFactor( 0.0f );
s_doppler->modified = qfalse;
}
if( s_sound_velocity->modified )
{
qalDopplerVelocity( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );
if( qalSpeedOfSound )
qalSpeedOfSound( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );
s_sound_velocity->modified = qfalse;
}
}
/*
=================
S_AL_Respatialize
=================
*/
static
void S_AL_Respatialize( int entityNum, const vec3_t origin, vec3_t axis[3], int inwater )
{
float velocity[3] = {0.0f, 0.0f, 0.0f};
float orientation[6];
vec3_t sorigin;
VectorCopy( origin, sorigin );
S_AL_SanitiseVector( sorigin );
S_AL_SanitiseVector( axis[ 0 ] );
S_AL_SanitiseVector( axis[ 1 ] );
S_AL_SanitiseVector( axis[ 2 ] );
orientation[0] = axis[0][0]; orientation[1] = axis[0][1]; orientation[2] = axis[0][2];
orientation[3] = axis[2][0]; orientation[4] = axis[2][1]; orientation[5] = axis[2][2];
VectorCopy( sorigin, lastListenerOrigin );
// Set OpenAL listener paramaters
qalListenerfv(AL_POSITION, (ALfloat *)sorigin);
qalListenerfv(AL_VELOCITY, velocity);
qalListenerfv(AL_ORIENTATION, orientation);
}
