private void Undo_Click(object sender, RoutedEventArgs e)
{
if (stackUndo.Count() > 0)
{
// push step on redo stack
bool turn = isWhiteTurn;
stackRedo.Push(new Tuple <int[], bool>(board.GetValues(), turn));
// pull undo stack and apply
Tuple <int[], bool> step = stackUndo.Pop();
board.Values = step.Item1;
isWhiteTurn = step.Item2;
board.UpdateNextPossibleMoves(isWhiteTurn ? 1 : -1);
DisplayBoard();
UpdateScore();
}
else
{
Console.WriteLine("UndoStack EMPTY");
}
lblTurn.Content = isWhiteTurn ? "It's White's turn !" : "It's Black's turn !";
}