public void Undo(int inputCount)
{
if (inputCount > 1)
{
throw new ArgumentOutOfRangeException("Incorrect recovery point count.");
}
// Cancel current input save
InternalPop(Count - currentRecoveryStart);
int i = currentRecoveryCount;
while (i-- != 0)
{
Push(savedTags.Pop(), savedData.Pop());
}
// Undo previous inputCount inputs
while (inputCount-- != 0)
{
var interval = recoveryIntervals.Pop();
InternalPop(Count - interval.Start);
i = interval.Count;
while (i-- != 0)
{
Push(savedTags.Pop(), savedData.Pop());
}
}
}
public void Undo(int inputCount)
{
Debug.Assert(history != null);
GssNode <T> node;
int i = inputCount;
while (i-- != 0)
{
while ((node = history.Pop()) != null)
{
}
}
Count = 0;
while ((node = history.Pop()) != null)
{
front[Count++] = node;
}
this.currentLayer -= inputCount;
this.currentStage = 0;
history.Push(null);
UpdateDeterministicDepths();
}