Method getPosition

Engine/source/sfx/sfxVoice.cpp:263–289

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U32 SFXVoice::getPosition() const
{
   // When stopped, always return 0.

   if( getStatus() == SFXStatusStopped )
      return 0;

   // It depends on the device if and when it will return a count of the total samples
   // played so far.  With streaming buffers, all devices will do that.  With non-streaming
   // buffers, some may do for looping voices thus returning a number that exceeds the actual
   // source stream size.  So, clamp things into range here and also take care of any offsetting
   // resulting from a setPosition() call.

   U32 pos = _tell() + mOffset;
   const U32 numStreamSamples = mBuffer->getFormat().getSampleCount( mBuffer->getDuration() );

   if( mBuffer->mIsLooping )
      pos %= numStreamSamples;
   else if( pos > numStreamSamples )
   {
      // Ensure we never report out-of-range positions even if the device does.

      pos = numStreamSamples;
   }

   return pos;
}

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