Function D3MusicSetVolume

Descent3/d3music.cpp:174–190

float D3MusicGetVolume() { return Music_volume; }

void D3MusicSetVolume(float vol) {
  const float kEpsilon = std::numeric_limits<float>::min();
  if (vol <= kEpsilon) {
    Music_seq.Stop();
    MusicAI.was_toggled_on = false;
    Music_on = false;
  } else if (Music_volume <= kEpsilon) {
    Music_on = true;
    MusicAI.was_toggled_on = true;
    if (MusicAI.pending_region == -1) {
      MusicAI.pending_region = D3MusicGetRegion();
    }
    Music_seq.Start();
  }
  Music_seq.SetVolume(vol);
  Music_volume = vol;
}

//	New Interface
//	Sequencing within level.