Method _updateSources

Engine/source/sfx/sfxSystem.cpp:818–880

//-----------------------------------------------------------------------------

void SFXSystem::_updateSources()
{
   PROFILE_SCOPE( SFXSystem_UpdateSources );

   SimSet* sources = Sim::getSFXSourceSet();
   if( !sources )
      return;

   // Check the status of the sources here once.
   // 
   // NOTE: We do not use iterators in this loop because
   // SFXControllers can add to the source list during the
   // loop.
   //
   mStatNumPlaying = 0;
   for( S32 i=0; i < sources->size(); i++ )
   {
      SFXSource *source = dynamic_cast< SFXSource* >( sources->at( i ) );
      if ( source )
      {
         source->update();
         if( source->getStatus() == SFXStatusPlaying )
            ++ mStatNumPlaying;
      }
   }

   // First check to see if any play once sources have
   // finished playback... delete them.
   
   for( SFXSourceVector::iterator iter = mPlayOnceSources.begin(); iter != mPlayOnceSources.end();  )
   {
      SFXSource* source = *iter;

      if(   source->getLastStatus() == SFXStatusStopped &&
            source->getSavedStatus() != SFXStatusPlaying )
      {
         S32 index = iter - mPlayOnceSources.begin();

         // Erase it from the vector first, so that onRemoveSource
         // doesn't do it during cleanup and screw up our loop here!
         mPlayOnceSources.erase_fast( iter );
         source->deleteObject();

         iter = mPlayOnceSources.begin() + index;
         continue;
      }

      ++ iter;
   }

   
   if( mDevice )
   {
      // Reassign buffers to the sounds (if voices are managed by
      // us instead of by the device).
      
      if( !( mDevice->getCaps() & SFXDevice::CAPS_VoiceManagement ) )
         _assignVoices();