private void CheckForWin()
{
// TODO: extract it into Rules class - because there are a lot of draw cases (pretty complex)
var validEnemyMoves = _rulesProvider.GetMoves(Board, SideUtil.Opposite(SideUtil.Convert(CurrentPlayer.Side)));
if (validEnemyMoves.Count == 0)
{
_winnerIndex = CurrentPlayerIndex;
Status = _winnerIndex == 0 ? GameStatus.Player1Wins : GameStatus.Player2Wins;
//_isRunning = false;
//TODO: potentially it's ok to undo move after game is over?
// - don't stop the game with _isRunning = false
// - then Undo should unmark it?
// - then to be able to make Redo should store it in History
// etc.
}
}
public IGameMove Choose(IGameMove[] moves, SquareBoard board)
{
var walkMoves = moves.Select(x => x as WalkGameMove).Where(x => x != null).ToArray();
if (walkMoves.Length == 0)
{
return(null);
}
_cts = new CancellationTokenSource(TimeoutPerMoveMilliseconds);
var depth = 8 * Math.Pow(TimeoutPerMoveMilliseconds / 1000, 0.4);
var move = _bot.FindBestMove(board, SideUtil.Convert(Side), _cts.Token, new NegaMaxBot.BotOptions {
MaxDepth = (int)depth
});
return(walkMoves.FirstOrDefault(x => x.Figure == move.Figure && x.MoveSequence == move.Sequence));
}
private async Task GameLoop()
{
do
{
var validMoves = _rulesProvider.GetMoves(Board, SideUtil.Convert(CurrentPlayer.Side));
var gameMoves = new List <IGameMove>(validMoves.Values.Count);
if (validMoves.Count > 0)
{
gameMoves.AddRange(validMoves.Flatten((f, m) => new WalkGameMove(this, f, m)));
}
if (_currentHistoryItem.Previous != null && _currentHistoryItem.Previous.Previous != null)
{
gameMoves.Add(UndoMove);
}
if (_currentHistoryItem.Next != null && _currentHistoryItem.Next.Next != null)
{
gameMoves.Add(RedoMove);
}
try
{
var move = await TryChooseMove(gameMoves);
if (move == null)
{
return; //gameLoop was interrupted
}
move.Execute();
_gameStatistics.Append(move, this);
}
catch (Exception ex)
{
Error = ex?.InnerException ?? ex;
Status = GameStatus.Error;
_isRunning = false;
break;
}
foreach (var player in _players)
{
player.GameUpdated(this);
}
} while (_isRunning);
}
public Cell(Figure figure, GameSide playerSide)
{
_figure = figure;
_active = figure.Side == SideUtil.Convert(playerSide);
}