X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fsound%2Fsample_openal.cxx;h=27fc988364e7e4d539d58385e5c7e7aba8b833c0;hb=a7f78b9f68550efd85e3032cdfaf362664352359;hp=7a84e78d36dd0e482b395b9ff46edb3e47a19216;hpb=4399383781da7ead66ddc844502aeaa06dd8157f;p=simgear.git

diff --git a/simgear/sound/sample_openal.cxx b/simgear/sound/sample_openal.cxx
index 7a84e78d..27fc9883 100644
--- a/simgear/sound/sample_openal.cxx
+++ b/simgear/sound/sample_openal.cxx
@@ -66,6 +66,8 @@ SGSoundSample::SGSoundSample( const char *path, const char *file,
     data(NULL),
     pitch(1.0),
     volume(1.0),
+    reference_dist(500.0),
+    max_dist(3000.),
     loop(AL_FALSE)
 {
     SGPath samplepath( path );
@@ -78,17 +80,18 @@ SGSoundSample::SGSoundSample( const char *path, const char *file,
     SG_LOG( SG_GENERAL, SG_DEBUG, "From file sounds sample = "
             << samplepath.str() );
 
-    ALuint error;
-
     source_pos[0] = 0.0; source_pos[1] = 0.0; source_pos[2] = 0.0;
+    offset_pos[0] = 0.0; offset_pos[1] = 0.0; offset_pos[2] = 0.0;
     source_vel[0] = 0.0; source_vel[1] = 0.0; source_vel[2] = 0.0;
+    direction[0] = 0.0; direction[1] = 0.0; direction[2] = 0.0;
+    inner = outer = 360.0; outergain = 0.0;
 
     // clear errors from elsewhere?
     alGetError();
 
     // create an OpenAL buffer handle
     alGenBuffers(1, &buffer);
-    error = alGetError();
+    ALuint error = alGetError();
     if ( error != AL_NO_ERROR ) {
         print_openal_error( error );
         throw sg_exception("Failed to gen OpenAL buffer.");
@@ -127,16 +130,27 @@ SGSoundSample::SGSoundSample( const char *path, const char *file,
     alSourcef( source, AL_PITCH, pitch );
     alSourcef( source, AL_GAIN, volume );
     alSourcefv( source, AL_POSITION, source_pos );
+    alSourcefv( source, AL_DIRECTION, direction );
+    alSourcef( source, AL_CONE_INNER_ANGLE, inner );
+    alSourcef( source, AL_CONE_OUTER_ANGLE, outer );
+    alSourcef( source, AL_CONE_OUTER_GAIN, outergain);
     alSourcefv( source, AL_VELOCITY, source_vel );
     alSourcei( source, AL_LOOPING, loop );
+
+    alSourcei( source, AL_SOURCE_RELATIVE, AL_TRUE );
+    alSourcef( source, AL_REFERENCE_DISTANCE, reference_dist );
+    alSourcef( source, AL_MAX_DISTANCE, max_dist );
 }
 
 
 // constructor
-SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq ) :
+SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq,
+                              bool cleanup) :
     data(NULL),
     pitch(1.0),
     volume(1.0),
+    reference_dist(500.0),
+    max_dist(3000.),
     loop(AL_FALSE)
 {
     SG_LOG( SG_GENERAL, SG_DEBUG, "In memory sounds sample" );
@@ -144,11 +158,18 @@ SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq ) :
     sample_name = "unknown, generated from data";
 
     source_pos[0] = 0.0; source_pos[1] = 0.0; source_pos[2] = 0.0;
+    offset_pos[0] = 0.0; offset_pos[1] = 0.0; offset_pos[2] = 0.0;
     source_vel[0] = 0.0; source_vel[1] = 0.0; source_vel[2] = 0.0;
+    inner = outer = 360.0; outergain = 0.0;
+
+    // clear errors from elsewhere?
+    alGetError();
 
     // Load wav data into a buffer.
     alGenBuffers(1, &buffer);
-    if (alGetError() != AL_NO_ERROR) {
+    ALuint error = alGetError();
+    if ( error != AL_NO_ERROR ) {
+        print_openal_error( error );
         throw sg_exception("Failed to gen buffer." );
         return;
     }
@@ -159,6 +180,14 @@ SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq ) :
     freq = _freq;
 
     alBufferData( buffer, format, data, size, freq );
+    if (alGetError() != AL_NO_ERROR) {
+        throw sg_exception("Failed to buffer data.");
+    }
+
+    if ( cleanup ) {
+        alutUnloadWAV( format, data, size, freq );
+        data = NULL;
+    }
 
     // Bind buffer with a source.
     alGenSources(1, &source);
@@ -170,17 +199,22 @@ SGSoundSample::SGSoundSample( unsigned char *_data, int len, int _freq ) :
     alSourcef( source, AL_PITCH, pitch );
     alSourcef( source, AL_GAIN, volume );
     alSourcefv( source, AL_POSITION, source_pos );
+    alSourcefv( source, AL_DIRECTION, direction );
+    alSourcef( source, AL_CONE_INNER_ANGLE, inner );
+    alSourcef( source, AL_CONE_OUTER_ANGLE, outer );
+    alSourcef( source, AL_CONE_OUTER_GAIN, outergain );
     alSourcefv( source, AL_VELOCITY, source_vel );
     alSourcei( source, AL_LOOPING, loop );
+
+    alSourcei( source, AL_SOURCE_RELATIVE, AL_TRUE );
+    alSourcef( source, AL_REFERENCE_DISTANCE, reference_dist );
+    alSourcef( source, AL_MAX_DISTANCE, max_dist );
 }
 
 
 // destructor
 SGSoundSample::~SGSoundSample() {
     SG_LOG( SG_GENERAL, SG_INFO, "Deleting a sample" );
-    if ( data != NULL ) {
-        free(data);
-    }
     alDeleteSources(1, &source);
     alDeleteBuffers(1, &buffer);
 }