public void Learn(int track)
{
if (duplicate)
{
AdvancesTrack = AdvancesTrack.Copy();
duplicate = false;
}
BackTrack = new ScheduleStack();
AdvancesTrack.Push(track);
}
public void RollBack()
{
if (duplicate)
{
AdvancesTrack = AdvancesTrack.Copy();
BackTrack = BackTrack.Copy();
duplicate = false;
}
BackTrack.Push(AdvancesTrack.Pop());
}