Changeset 330 for trunk/src/fmod

Timestamp:

09/02/14 08:45:01 (11 years ago)

Author:

epyon

Message:

• implemented positional sound interface for audio
• rudimentary implementations of positional sound for fmod and sdl

File:

• trunk/src/fmod/fmod_audio.cc (modified) (4 diffs)

trunk/src/fmod/fmod_audio.cc

@@ -27 +27 @@
                 return;
         }
-        result = FMOD_System_Init( system, 64, FMOD_INIT_NORMAL, 0 );
+        result = FMOD_System_Init( system, 64, FMOD_3D | FMOD_INIT_3D_RIGHTHANDED, 0 );
         if ( result != FMOD_OK )
         {
@@ -36 +36 @@
 }
 
-
-nv::channel fmod::audio::play_sound( nv::sound a_sound )
+nv::channel nv::fmod::audio::play_sound( sound a_sound, float volume, float pan /*= 0.0f */ )
 {
         sound_info* info = m_sounds.get( a_sound );
         if ( info )
         {
-                FMOD_SYSTEM* system = (FMOD_SYSTEM*)m_system;
-                FMOD_SOUND* sample  = (FMOD_SOUND*)( info->fmod_sound );
-                FMOD_RESULT result  = FMOD_System_PlaySound( system, FMOD_CHANNEL_FREE, sample, false, 0 );
+                FMOD_SYSTEM* system   = (FMOD_SYSTEM*)m_system;
+                FMOD_SOUND* sample    = (FMOD_SOUND*)( info->fmod_sound );
+                FMOD_CHANNEL* channel = nullptr;
+                FMOD_RESULT result    = FMOD_System_PlaySound( system, FMOD_CHANNEL_FREE, sample, true, &channel );
                 if ( result != FMOD_OK )
                 {
                         NV_LOG( LOG_WARNING, "FMOD failed to play sound -- " << FMOD_ErrorString( result ) );
+                }
+                else
+                {
+                        FMOD_Channel_SetVolume( channel, volume );
+                        FMOD_Channel_SetPan( channel, pan );
+                        FMOD_Channel_SetPaused( channel, false );
                 }
         }
@@ -53 +59 @@
 }
 
+nv::channel nv::fmod::audio::play_sound( sound a_sound, vec3 position )
+{
+        sound_info* info = m_sounds.get( a_sound );
+        if ( info )
+        {
+                FMOD_SYSTEM* system   = (FMOD_SYSTEM*)m_system;
+                FMOD_SOUND* sample    = (FMOD_SOUND*)( info->fmod_sound );
+                FMOD_CHANNEL* channel = nullptr;
+                FMOD_RESULT result    = FMOD_System_PlaySound( system, FMOD_CHANNEL_FREE, sample, true, &channel );
+                if ( result != FMOD_OK )
+                {
+                        NV_LOG( LOG_WARNING, "FMOD failed to play sound -- " << FMOD_ErrorString( result ) );
+                }
+                else
+                {
+                        FMOD_VECTOR fmod_position;
+                        fmod_position.x = position.x;
+                        fmod_position.y = position.y;
+                        fmod_position.z = position.z;
+                        FMOD_Channel_Set3DMinMaxDistance( channel, 1, 100000 );
+                        FMOD_Channel_Set3DAttributes( channel, &fmod_position, 0 );
+                        FMOD_Channel_SetPaused( channel, false );
+                }
+        }
+        return channel();
+}
+
+
+
 nv::sound fmod::audio::load_sound( const std::string& a_path )
 {
         FMOD_SYSTEM* system = (FMOD_SYSTEM*)m_system;
         FMOD_SOUND* sample;
-        FMOD_RESULT fm_result = FMOD_System_CreateSound( system, a_path.c_str(), FMOD_DEFAULT, 0, &sample );
+        FMOD_RESULT fm_result = FMOD_System_CreateSound( system, a_path.c_str(), FMOD_3D, 0, &sample );
         if ( fm_result != FMOD_OK )
         {
@@ -79 +114 @@
 }
 
-void fmod::audio::update()
+void nv::fmod::audio::set_orientation( vec3 forward, vec3 up )
 {
+        FMOD_VECTOR fmod_forward;
+        fmod_forward.x = forward.x;
+        fmod_forward.y = forward.y;
+        fmod_forward.z = forward.z;
+        FMOD_VECTOR fmod_up;
+        fmod_up.x = up.x;
+        fmod_up.y = up.y;
+        fmod_up.z = up.z;
+        // TODO: we also need to setup orientation!
+        FMOD_System_Set3DListenerAttributes( (FMOD_SYSTEM*)m_system, 0, 0, 0, &fmod_forward, &fmod_up );
+}
+
+void fmod::audio::update( vec3 position )
+{
+        m_position = position;
+        FMOD_VECTOR fmod_position;
+        fmod_position.x = position.x;
+        fmod_position.y = position.y;
+        fmod_position.z = position.z;
+//      FMOD_VECTOR fmod_up;
+//      fmod_up.x = 0.0f;
+//      fmod_up.y = 0.0f;
+//      fmod_up.z = 0.0f;
+        // TODO: we also need to setup orientation!
+        FMOD_System_Set3DListenerAttributes( (FMOD_SYSTEM*)m_system, 0, &fmod_position, 0, 0, 0 );
         FMOD_System_Update( (FMOD_SYSTEM*)m_system );
-        // no-op
 }