internal void Advance()
{
if (CurrentFight.Complete)
{
MergeSortGroup newGroup = CurrentFight.ToGroup();
_groups.Add(newGroup);
AdvanceCurrentFight();
}
if (CurrentItemFight != null)
{
CurrentItemFight = CurrentFight.GetNextFight();
}
}
internal void RightWins(ItemFight mergeSortFight)
{
_sortedItems.Add(mergeSortFight.Right);
LeftGroup.ReturnItem(mergeSortFight.Left);
PotentiallyComplete();
}