private void FixSoundReference_Promotion(int originalIndex, IWriter buffer)
{
var promo = _container.FindSoundPromotion(originalIndex);
int newIndex;
if (!_soundPromotions.TryGetValue(promo, out newIndex))
{
newIndex = _soundResources.Promotions.FindIndex(c => c.Equals(promo.Source));
if (newIndex == -1)
{
newIndex = _soundResources.Promotions.Count;
_soundResources.Promotions.Add(promo.Source);
}
_soundPromotions[promo] = newIndex;
}
buffer.SeekTo(_soundLayout.GetFieldOffset("promotion index"));
buffer.WriteSByte((sbyte)newIndex);
}