_active(false),
_changed(false),
_pause(false),
+ _volume(1.0),
_tied_to_listener(false),
_velocity(SGVec3d::zeros()),
- _orientation(SGQuatd::zeros()),
- _position_geod(SGGeod())
+ _orientation(SGQuatd::zeros())
{
_samples.clear();
}
_active(false),
_changed(false),
_pause(false),
+ _volume(1.0),
_tied_to_listener(false),
_velocity(SGVec3d::zeros()),
- _orientation(SGQuatd::zeros()),
- _position_geod(SGGeod())
+ _orientation(SGQuatd::zeros())
{
_smgr->add(this, refname);
_samples.clear();
}
// Update the position and orientation information for all samples.
- if ( _changed ) {
+ if ( _changed || _smgr->has_changed() ) {
update_pos_and_orientation();
_changed = false;
}
ALboolean looping = sample->is_looping() ? AL_TRUE : AL_FALSE;
alSourcei( source, AL_LOOPING, looping );
- alSourcef( source, AL_ROLLOFF_FACTOR, 1.0 );
+ alSourcef( source, AL_ROLLOFF_FACTOR, 0.3 );
alSourcei( source, AL_SOURCE_RELATIVE, AL_FALSE );
alSourcePlay( source );
testForALError("sample play");
}
-// stop playing all associated samples
void
-SGSampleGroup::suspend ()
+SGSampleGroup::stop ()
{
_pause = true;
sample_map_iterator sample_current = _samples.begin();
for ( ; sample_current != sample_end; ++sample_current ) {
SGSoundSample *sample = sample_current->second;
- if ( sample->is_valid_source() && sample->is_playing() ) {
- alSourcePause( sample->get_source() );
+ if ( sample->is_valid_source() ) {
+ ALint source = sample->get_source();
+ if ( sample->is_playing() ) {
+ alSourceStop( source );
+ alSourcei( source, AL_BUFFER, 0 );
+ }
+ _smgr->release_source( source );
+ sample->no_valid_source();
+ }
+
+ if (sample->is_valid_buffer() ) {
+ _smgr->release_buffer( sample );
+ sample->no_valid_buffer();
+ }
+ }
+ testForALError("stop");
+}
+
+// stop playing all associated samples
+void
+SGSampleGroup::suspend ()
+{
+ if (_pause == false) {
+ _pause = true;
+ 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;
+
+ if ( sample->is_valid_source() && sample->is_playing() ) {
+ alSourcePause( sample->get_source() );
+ }
}
+ testForALError("suspend");
}
- testForALError("suspend");
}
// resume playing all associated samples
void
SGSampleGroup::resume ()
{
- 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;
+ if (_pause == true) {
+ 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;
- if ( sample->is_valid_source() && sample->is_playing() ) {
- alSourcePlay( sample->get_source() );
+ if ( sample->is_valid_source() && sample->is_playing() ) {
+ alSourcePlay( sample->get_source() );
+ }
}
+ testForALError("resume");
+ _pause = false;
}
- testForALError("resume");
- _pause = false;
}
return true;
}
-// set source velocity of all managed sounds
-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");
- return;
- }
-
- if (_velocity != vel) {
- 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_velocity( vel );
- }
- _velocity = vel;
+void SGSampleGroup::set_volume( float vol )
+{
+ if (vol > _volume*1.01 || vol < _volume*0.99) {
+ _volume = vol;
+ if (_volume < 0.0) _volume = 0.0;
+ if (_volume > 1.0) _volume = 1.0;
+ _changed = true;
}
}
-// set the source position of all managed sounds
+// set the source position and orientation of all managed sounds
void SGSampleGroup::update_pos_and_orientation() {
-
- SGVec3d position = SGVec3d::fromGeod( _position_geod );
- SGVec3d pos_offs = SGVec3d::fromGeod( _smgr->get_position_geod() );
-
- // The rotation rotating from the earth centerd frame to
- // the horizontal local frame
- SGQuatd hlOr = SGQuatd::fromLonLat(_position_geod);
-
- // Rotate the x-forward, y-right, z-down coordinate system
- // into the OpenGL camera system with x-right, y-up, z-back.
- SGQuatd q(-0.5, -0.5, 0.5, 0.5);
-
- // Compute the sounds orientation and position
- // wrt the earth centered frame - that is global coorinates
- SGQuatd sc2body = hlOr*_orientation*q;
-
- 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( position - pos_offs );
- sample->set_orientation( _orientation );
- sample->set_rotation( sc2body );
+
+ SGVec3d position = SGVec3d::fromGeod(_base_pos) - _smgr->get_position();
+ SGQuatd hlOr = SGQuatd::fromLonLat(_base_pos);
+ SGQuatd ec2body = hlOr*_orientation;
+
+ SGVec3f velocity = SGVec3f::zeros();
+ if ( _velocity[0] || _velocity[1] || _velocity[2] ) {
+ velocity = toVec3f( hlOr.backTransform(_velocity*SG_FEET_TO_METER) );
}
-}
-
-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_master_volume( _volume );
+ sample->set_orientation( _orientation );
+ sample->set_rotation( ec2body );
+ sample->set_position( position );
+ sample->set_velocity( velocity );
}
}
if ( _tied_to_listener ) {
orientation = _smgr->get_direction();
- position = _smgr->get_position();
+ position = SGVec3d::zeros();
velocity = _smgr->get_velocity();
} else {
sample->update_pos_and_orientation();
velocity = sample->get_velocity();
}
+ if (_smgr->bad_doppler_effect()) {
+ velocity *= 100.0f;
+ }
+
#if 0
if (length(position) > 20000)
- printf("source and listener distance greater than 20km!\n");
+ printf("%s source and listener distance greater than 20km!\n",
+ _refname.c_str());
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");
projects / simgear.git / blobdiff