add a debugging statement

[simgear.git] / simgear / sound / soundmgr_openal.cxx

diff --git a/simgear/sound/soundmgr_openal.cxx b/simgear/sound/soundmgr_openal.cxx
index 11a10fde1c5ebecdc17680762299c7a5ac1aacac..450b5714d0cc98811747c9b72241c0807663ac5b 100644 (file)
--- a/simgear/sound/soundmgr_openal.cxx
+++ b/simgear/sound/soundmgr_openal.cxx
@@ -59,8 +59,9 @@ SGSoundMgr::SGSoundMgr() :
     _volume(0.0),
     _device(NULL),
     _context(NULL),
-    _position(SGVec3d::zeros().data()),
-    _velocity(SGVec3f::zeros().data()),
+    _position(SGVec3d::zeros()),
+    _velocity(SGVec3d::zeros()),
+    _orientation(SGQuatd::zeros()),
     _devname(NULL)
 {
 #if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
@@ -100,26 +101,29 @@ void SGSoundMgr::init() {
 
     ALCcontext *context = alcCreateContext(device, NULL);
     if ( testForError(context, "Unable to create a valid context.") ) {
+        alcCloseDevice (device);
         return;
     }
 
     if ( !alcMakeContextCurrent(context) ) {
         testForALCError("context initialization");
+        alcDestroyContext (context);
+        alcCloseDevice (device);
         return;
     }
 
     _context = context;
     _working = true;
 
-    _orientation[0] = 0.0; _orientation[1] = 0.0; _orientation[2] = -1.0;
-    _orientation[3] = 0.0; _orientation[4] = 1.0; _orientation[5] = 0.0;
+    _at_up_vec[0] = 0.0; _at_up_vec[1] = 0.0; _at_up_vec[2] = -1.0;
+    _at_up_vec[3] = 0.0; _at_up_vec[4] = 1.0; _at_up_vec[5] = 0.0;
 
     alListenerf( AL_GAIN, 0.2f );
-    alListenerfv( AL_POSITION, toVec3f(_position).data() );
-    alListenerfv( AL_ORIENTATION, _orientation );
-    alListenerfv( AL_VELOCITY, _velocity.data() );
+    alListenerfv( AL_ORIENTATION, _at_up_vec );
+    alListenerfv( AL_POSITION, SGVec3f::zeros().data() );
+    alListenerfv( AL_VELOCITY, SGVec3f::zeros().data() );
 
-    alDopplerFactor(0.5);
+    alDopplerFactor(1.0);
     alDopplerVelocity(340.3);   // speed of sound in meters per second.
 
     if ( alIsExtensionPresent((const ALchar*)"EXT_exponent_distance") ) {
@@ -130,8 +134,6 @@ void SGSoundMgr::init() {
 
     testForALError("listener initialization");
 
-    alGetError(); // clear any undetetced error, just to be sure
-
     // get a free source one at a time
     // if an error is returned no more (hardware) sources are available
     for (unsigned int i=0; i<MAX_SOURCES; i++) {
@@ -146,6 +148,10 @@ void SGSoundMgr::init() {
         }
         else break;
     }
+
+    if (_free_sources.size() == 0) {
+        SG_LOG(SG_GENERAL, SG_ALERT, "Unable to grab any OpenAL sources!");
+    }
 }
 
 // suspend the sound manager
@@ -227,9 +233,9 @@ void SGSoundMgr::update_late( double dt ) {
 
         if (_changed) {
             alListenerf( AL_GAIN, _volume );
-            alListenerfv( AL_VELOCITY, _velocity.data() );
-            alListenerfv( AL_ORIENTATION, _orientation );
+            alListenerfv( AL_ORIENTATION, _at_up_vec );
             alListenerfv( AL_POSITION, toVec3f(_position).data() );
+            alListenerfv( AL_VELOCITY, toVec3f(_velocity).data() );
             // alDopplerVelocity(340.3);       // TODO: altitude dependent
             testForALError("update");
             _changed = false;
@@ -334,14 +340,16 @@ void SGSoundMgr::set_volume( float v )
  */
 void SGSoundMgr::set_orientation( SGQuatd ori )
 {
+    _orientation = ori;
+
     SGVec3d sgv_up = ori.rotate(SGVec3d::e2());
     SGVec3d sgv_at = ori.rotate(SGVec3d::e3());
-    _orientation[0] = sgv_at[0];
-    _orientation[1] = sgv_at[1];
-    _orientation[2] = sgv_at[2];
-    _orientation[3] = sgv_up[0];
-    _orientation[4] = sgv_up[1];
-    _orientation[5] = sgv_up[2];
+    _at_up_vec[0] = sgv_at[0];
+    _at_up_vec[1] = sgv_at[1];
+    _at_up_vec[2] = sgv_at[2];
+    _at_up_vec[3] = sgv_up[0];
+    _at_up_vec[4] = sgv_up[1];
+    _at_up_vec[5] = sgv_up[2];
     _changed = true;
 }