#include "soundmgr_openal.hxx"
#include "sample_group.hxx"
+bool isNaN(float *v) {
+ return (isnan(v[0]) || isnan(v[1]) || isnan(v[2]));
+}
+
SGSampleGroup::SGSampleGroup () :
_smgr(NULL),
_refname(""),
_active(false),
+ _changed(false),
_pause(false),
_tied_to_listener(false),
_velocity(SGVec3d::zeros()),
- _orientation(SGQuatd::zeros()),
- _position(SGGeod())
+ _base_pos(SGVec3d::zeros()),
+ _orientation(SGQuatd::zeros())
{
_samples.clear();
}
_smgr(smgr),
_refname(refname),
_active(false),
+ _changed(false),
_pause(false),
_tied_to_listener(false),
_velocity(SGVec3d::zeros()),
- _orientation(SGQuatd::zeros()),
- _position(SGGeod())
+ _base_pos(SGVec3d::zeros()),
+ _orientation(SGQuatd::zeros())
{
_smgr->add(this, refname);
_samples.clear();
unsigned int size = _removed_samples.size();
for (unsigned int i=0; i<size; ) {
SGSoundSample *sample = _removed_samples[i];
- ALint result;
+ ALint result = AL_STOPPED;
+
+ if ( sample->is_valid_source() ) {
+ if ( sample->is_looping() ) {
+ sample->no_valid_source();
+ _smgr->release_source( sample->get_source() );
+ }
+ else
+ alGetSourcei( sample->get_source(), AL_SOURCE_STATE, &result );
+ }
- alGetSourcei( sample->get_source(), AL_SOURCE_STATE, &result );
if ( result == AL_STOPPED ) {
ALuint buffer = sample->get_buffer();
alDeleteBuffers( 1, &buffer );
i++;
}
+ // Update the position and orientation information for all samples.
+ if ( _changed || _smgr->has_changed() ) {
+ update_pos_and_orientation();
+ _changed = false;
+ }
+
sample_map_iterator sample_current = _samples.begin();
sample_map_iterator sample_end = _samples.end();
for ( ; sample_current != sample_end; ++sample_current ) {
sample->set_source( source );
update_sample_config( sample );
- ALboolean looping = sample->get_looping() ? AL_TRUE : AL_FALSE;
+ ALboolean looping = sample->is_looping() ? AL_TRUE : AL_FALSE;
alSourcei( source, AL_LOOPING, looping );
alSourcef( source, AL_ROLLOFF_FACTOR, 1.0 );
alSourcei( source, AL_SOURCE_RELATIVE, AL_FALSE );
sample->stop();
sample->no_valid_source();
_smgr->release_source( sample->get_source() );
- } else {
+ } else if ( _smgr->has_changed() ) {
update_sample_config( sample );
}
}
// set source velocity of all managed sounds
-void SGSampleGroup::set_velocity( const SGVec3d &vel ) {
+void SGSampleGroup::set_velocity( const SGVec3f &vel ) {
if ( isnan(vel[0]) || isnan(vel[1]) || isnan(vel[2]) )
{
SG_LOG( SG_GENERAL, SG_ALERT, "NAN's found in SampleGroup velocity");
}
}
-// set the source position of all managed sounds
-void SGSampleGroup::set_position( const SGGeod& pos ) {
+void SGSampleGroup::set_volume( float vol )
+{
+ _volume = vol;
+ if (_volume < 0.0) _volume = 0.0;
+ if (_volume > 1.0) _volume = 1.0;
sample_map_iterator sample_current = _samples.begin();
sample_map_iterator sample_end = _samples.end();
for ( ; sample_current != sample_end; ++sample_current ) {
SGSoundSample *sample = sample_current->second;
- sample->set_position( pos );
- }
- _position = pos;
-}
-
-
-// set the source orientation of all managed sounds
-void SGSampleGroup::set_orientation( const SGQuatd& ori ) {
-
- if (_orientation != ori) {
- sample_map_iterator sample_current = _samples.begin();
- sample_map_iterator sample_end = _samples.end();
- for ( ; sample_current != sample_end; ++sample_current ) {
- SGSoundSample *sample = sample_current->second;
- sample->set_orientation( ori );
- }
- _orientation = ori;
+ sample->set_master_volume( _volume );
}
}
-void SGSampleGroup::set_volume( float vol )
-{
- _volume = vol;
- if (_volume < 0.0) _volume = 0.0;
- if (_volume > 1.0) _volume = 1.0;
+// set the source position and orientation of all managed sounds
+void SGSampleGroup::update_pos_and_orientation() {
+
+ SGVec3d position = _base_pos - _smgr->get_position();
+ SGQuatd hlOr = SGQuatd::fromLonLat(_position_geod) * _orientation;
sample_map_iterator sample_current = _samples.begin();
sample_map_iterator sample_end = _samples.end();
for ( ; sample_current != sample_end; ++sample_current ) {
SGSoundSample *sample = sample_current->second;
- sample->set_master_volume( _volume );
+ sample->set_position( position );
+ sample->set_orientation( _orientation );
+ sample->set_rotation( hlOr );
}
}
void SGSampleGroup::update_sample_config( SGSoundSample *sample ) {
- if ( sample->is_valid_source() ) {
- unsigned int source = sample->get_source();
-
-#if 1
- if ( _tied_to_listener && _smgr->has_changed() ) {
- alSourcefv( source, AL_POSITION, _smgr->get_position().data() );
- alSourcefv( source, AL_VELOCITY, _smgr->get_velocity().data() );
-#if 0
- alSourcefv( source, AL_DIRECTION, _smgr->get_direction().data() );
-#endif
- } else {
-float *pos = sample->get_position();
-if (isnan(pos[0]) || isnan(pos[1]) || isnan(pos[2])) printf("NaN detected in source position\n");
- alSourcefv( source, AL_POSITION, sample->get_position() );
-float *vel = sample->get_velocity();
-if (isnan(vel[0]) || isnan(vel[1]) || isnan(vel[2])) printf("NaN detected in source velocity\n");
- alSourcefv( source, AL_VELOCITY, sample->get_velocity() );
-#if 0
- alSourcefv( source, AL_DIRECTION, sample->get_orientation() );
-#endif
- }
-#else
- alSourcefv( source, AL_POSITION, SGVec3f::zeros().data() );
- alSourcefv( source, AL_DIRECTION, SGVec3f::zeros().data() );
- alSourcefv( source, AL_VELOCITY, SGVec3f::zeros().data() );
-#endif
- testForALError("position and orientation");
-
- alSourcef( source, AL_PITCH, sample->get_pitch() );
- alSourcef( source, AL_GAIN, sample->get_volume() );
- testForALError("pitch and gain");
+ SGVec3f orientation, velocity;
+ SGVec3d position;
+
+ if ( _tied_to_listener ) {
+ orientation = _smgr->get_direction();
+ position = SGVec3d::zeros();
+ velocity = _smgr->get_velocity();
+ } else {
+ sample->update_pos_and_orientation();
+ orientation = sample->get_orientation();
+ position = sample->get_position();
+ velocity = sample->get_velocity();
+ }
- if ( sample->has_static_data_changed() ) {
#if 0
- alSourcef( source, AL_CONE_INNER_ANGLE, sample->get_innerangle() );
- alSourcef( source, AL_CONE_OUTER_ANGLE, sample->get_outerangle() );
- alSourcef( source, AL_CONE_OUTER_GAIN, sample->get_outergain() );
+ if (length(position) > 20000)
+ printf("source and listener distance greater than 20km!\n");
+ if (isNaN(toVec3f(position).data())) printf("NaN in source position\n");
+ if (isNaN(orientation.data())) printf("NaN in source orientation\n");
+ if (isNaN(velocity.data())) printf("NaN in source velocity\n");
#endif
- testForALError("audio cone");
- alSourcef( source, AL_MAX_DISTANCE, sample->get_max_dist() );
- alSourcef( source, AL_REFERENCE_DISTANCE,
- sample->get_reference_dist() );
- testForALError("distance rolloff");
- }
+ unsigned int source = sample->get_source();
+ alSourcefv( source, AL_POSITION, toVec3f(position).data() );
+ alSourcefv( source, AL_VELOCITY, velocity.data() );
+ alSourcefv( source, AL_DIRECTION, orientation.data() );
+ testForALError("position and orientation");
+
+ alSourcef( source, AL_PITCH, sample->get_pitch() );
+ alSourcef( source, AL_GAIN, sample->get_volume() );
+ testForALError("pitch and gain");
+
+ if ( sample->has_static_data_changed() ) {
+ alSourcef( source, AL_CONE_INNER_ANGLE, sample->get_innerangle() );
+ alSourcef( source, AL_CONE_OUTER_ANGLE, sample->get_outerangle() );
+ alSourcef( source, AL_CONE_OUTER_GAIN, sample->get_outergain() );
+ testForALError("audio cone");
+
+ alSourcef( source, AL_MAX_DISTANCE, sample->get_max_dist() );
+ alSourcef( source, AL_REFERENCE_DISTANCE,
+ sample->get_reference_dist() );
+ testForALError("distance rolloff");
}
}
projects / simgear.git / blobdiff