private void btnUndo_Click(object sender, EventArgs e)
{
CancelInteraction();
int undoCount = 1;
if (_aiLevels[1 ^ (_game.Ply & 1)].HasValue)
{
undoCount = 2;
}
undoCount = Math.Min(undoCount, _gameRecord.MoveNotations.Count);
for (int i = 0; i < undoCount; i++)
{
var lastNotation = _gameRecord.MoveNotations.RemoveLast();
var move = _movesOfNotation[lastNotation];
if (move == null)
{
throw new ApplicationException("Critical move error"); // this shouldn't ever happen
}
move.TakeBackMove(_game);
_game.Ply--;
_movesOfNotation.Remove(lastNotation);
_navigating = true;
if (_historyForm != null)
{
_historyForm.RemoveLastPly();
}
_navigating = false;
}
_boardView.InvalidateRender();
PrepareTurn();
}
public void CancelPreview()
{
if (_move != null)
{
_boardView.ClearHighlights();
_move.TakeBackMove(_game);
_boardView.InvalidateRender();
_move = null;
}
_boardView.CarryVisible = true;
}
public void Cancel()
{
CancelPreview();
if (_move != null)
{
_move.TakeBackMove(_game);
_boardView.InvalidateRender();
_move = null;
}
_boardView.CarryClear();
}
void ProcessMove(IMove move = null, TakEngine.Notation.MoveNotation notation = null, bool alreadyExecuted = false)
{
if (move == null && notation == null)
{
throw new ArgumentException("move and notation cannot both be null");
}
if (notation == null)
{
if (!TakEngine.Notation.MoveNotation.TryParse(move.Notate(), out notation))
{
throw new ApplicationException("Critical move error");
}
}
else if (move == null)
{
_tempMoveList.Clear();
Helper.EnumerateMoves(_tempMoveList, _game, _ai.NormalPositions);
move = notation.MatchLegalMove(_tempMoveList);
if (move == null)
{
throw new ApplicationException("Illegal move: " + notation.Text);
}
}
if (!alreadyExecuted)
{
move.MakeMove(_game);
}
if (!_gameRecord.MoveNotations.Contains(notation)) // if opening an existing game file then we may have already loaded the notation
{
_gameRecord.MoveNotations.Add(notation);
}
_navigating = true;
if (_historyForm != null)
{
_historyForm.AddPly(notation.Text);
}
_navigating = false;
_movesOfNotation[notation] = move;
_game.Ply++;
_boardView.InvalidateRender();
}
private void timer1_Tick(object sender, EventArgs e)
{
timer1.Stop();
bool gameOver;
int eval;
_evaluator.Evaluate(_game, out eval, out gameOver);
if (gameOver)
{
_game.Clear();
}
_boardView.InvalidateRender();
backgroundWorker.RunWorkerAsync(_game.DeepCopy());
}
