X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsound%2Fsample_group.cxx;h=1da290593793eefd597196a2ce05e45ed6fce245;hb=47617d6c041cd806ae16944c2ace910c70981fe6;hp=8bd5eb9b9f5c81b3f134d964198d796be465ccd8;hpb=76c79dba8e9c14d06356d6ceb227d2c9490b9d24;p=simgear.git

diff --git a/simgear/sound/sample_group.cxx b/simgear/sound/sample_group.cxx
index 8bd5eb9b..1da29059 100644
--- a/simgear/sound/sample_group.cxx
+++ b/simgear/sound/sample_group.cxx
@@ -29,15 +29,20 @@
 #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),
+    _volume(1.0),
     _tied_to_listener(false),
     _velocity(SGVec3d::zeros()),
-    _orientation(SGQuatd::zeros()),
-    _position(SGGeod())
+    _orientation(SGQuatd::zeros())
 {
     _samples.clear();
 }
@@ -46,11 +51,12 @@ SGSampleGroup::SGSampleGroup ( SGSoundMgr *smgr, const string &refname ) :
     _smgr(smgr),
     _refname(refname),
     _active(false), 
+    _changed(false),
     _pause(false),
+    _volume(1.0),
     _tied_to_listener(false),
     _velocity(SGVec3d::zeros()),
-    _orientation(SGQuatd::zeros()),
-    _position(SGGeod())
+    _orientation(SGQuatd::zeros())
 {
     _smgr->add(this, refname);
     _samples.clear();
@@ -85,9 +91,17 @@ void SGSampleGroup::update( double dt ) {
     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 );
@@ -99,6 +113,12 @@ void SGSampleGroup::update( double dt ) {
         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 ) {
@@ -124,9 +144,9 @@ void SGSampleGroup::update( double dt ) {
                 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 );
+                alSourcef( source, AL_ROLLOFF_FACTOR, 0.3 );
                 alSourcei( source, AL_SOURCE_RELATIVE, AL_FALSE );
                 alSourcePlay( source );
                 testForALError("sample play");
@@ -144,7 +164,7 @@ void SGSampleGroup::update( double dt ) {
                 sample->stop();
                 sample->no_valid_source();
                 _smgr->release_source( sample->get_source() );
-            } else  {
+            } else if ( _smgr->has_changed() ) {
                 update_sample_config( sample );
             }
 
@@ -224,9 +244,8 @@ SGSoundSample *SGSampleGroup::find( const string &refname ) {
 }
 
 
-// stop playing all associated samples
 void
-SGSampleGroup::suspend ()
+SGSampleGroup::stop ()
 {
     _pause = true;
     sample_map_iterator sample_current = _samples.begin();
@@ -234,28 +253,60 @@ SGSampleGroup::suspend ()
     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;
 }
 
 
@@ -295,96 +346,88 @@ bool SGSampleGroup::stop( const string& refname ) {
     return true;
 }
 
-// set source velocity of all managed sounds
-void SGSampleGroup::set_velocity( const SGVec3d &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;
-    }
-}
-
-// set the source position of all managed sounds
-void SGSampleGroup::set_position( const SGGeod& pos ) {
-
-    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 );
+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;
     }
-    _position = pos;
 }
 
+// set the source position and orientation of all managed sounds
+void SGSampleGroup::update_pos_and_orientation() {
+ 
+    SGVec3d position = SGVec3d::fromGeod(_base_pos) - _smgr->get_position();
+    SGQuatd hlOr = SGQuatd::fromLonLat(_base_pos);
+    SGQuatd ec2body = hlOr*_orientation;
 
-// 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;
+    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 );
     }
 }
 
 void SGSampleGroup::update_sample_config( SGSoundSample *sample ) {
-    if ( sample->is_valid_source() ) {
-        unsigned int source = sample->get_source();
-
-        if ( _tied_to_listener && _smgr->has_changed() ) {
-            alSourcefv( source, AL_POSITION, _smgr->get_position().data() );
-            alSourcefv( source, AL_VELOCITY, _smgr->get_velocity().data() );
-            alSourcefv( source, AL_DIRECTION, _smgr->get_direction().data() );
-        } else {
-            alSourcefv( source, AL_POSITION, sample->get_position() );
-            alSourcefv( source, AL_VELOCITY, sample->get_velocity() );
-            alSourcefv( source, AL_DIRECTION, sample->get_orientation() );
-        }
-        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");
-        }
+    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 (_smgr->bad_doppler_effect()) {
+        velocity *= 100.0f;
+    }
+
+#if 0
+    if (length(position) > 20000)
+        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");
+#endif
+
+    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");
     }
 }