private ChessBoard(ChessBoard board, int?turn = null) : this()
{
this.IsClone = true;
this.Game = board.Game;
this.Turn = turn ?? board.Turn;
this.HalfMovesSinceCaptureOrPawn = board.HalfMovesSinceCaptureOrPawn;
this.Pieces = board.Pieces.Select(p => p.Clone(this)).ToList();
this.State = board.State;
this.StateFlags = board.StateFlags;
this.UpdateBoardState();
}
public void Reset()
{
this.Turn = 1;
this.HalfMovesSinceCaptureOrPawn = 0;
this.State = ChessGameState.Playing;
this.StateFlags = ChessBoardStateFlags.WhiteCastleKingside | ChessBoardStateFlags.WhiteCastleQueenside | ChessBoardStateFlags.BlackCastleKingside | ChessBoardStateFlags.BlackCastleQueenside;
this.Pieces.Clear();
this.ResetPlayerPieces(this.Game.Players[0].Colour, 1);
this.ResetPlayerPieces(this.Game.Players[1].Colour, -1);
this.UpdateBoardState();
}
public void ExecuteMove(ChessMove move)
{
this.ExecutingMove = null;
if (!move.IsValid)
{
return;
}
if (!this.ValidateMove(move, out ChessPiece movingPiece, out ChessPiece targetPiece))
{
return;
}
this.HalfMovesSinceCaptureOrPawn++;
if (movingPiece.PieceType == ChessPieceType.Pawn)
{
this.HalfMovesSinceCaptureOrPawn = 0;
}
if (targetPiece != null)
{
targetPiece.Capture();
this.HalfMovesSinceCaptureOrPawn = 0;
}
if (movingPiece.PieceType == ChessPieceType.King)
{
this.StateFlags &= ~(movingPiece.Colour == ChessPlayerColour.White ? ChessBoardStateFlags.WhiteCastleKingside : ChessBoardStateFlags.BlackCastleKingside);
this.StateFlags &= ~(movingPiece.Colour == ChessPlayerColour.White ? ChessBoardStateFlags.WhiteCastleQueenside : ChessBoardStateFlags.BlackCastleQueenside);
}
else if (movingPiece.PieceType == ChessPieceType.Rook)
{
if (movingPiece.Location.X == 0)
{
this.StateFlags &= ~(movingPiece.Colour == ChessPlayerColour.White ? ChessBoardStateFlags.WhiteCastleQueenside : ChessBoardStateFlags.BlackCastleQueenside);
}
else if (movingPiece.Location.X == 7)
{
this.StateFlags &= ~(movingPiece.Colour == ChessPlayerColour.White ? ChessBoardStateFlags.WhiteCastleKingside : ChessBoardStateFlags.BlackCastleKingside);
}
}
movingPiece.Move(move.to);
if (move.promoteTo.HasValue)
{
movingPiece.Promote(move.promoteTo.Value);
}
else if (move.castleFrom.HasValue)
{
this.GetPieceFromLocation(move.castleFrom.Value).Move(move.castleTo.Value);
}
else if (move.targetLocation.HasValue)
{
this.GetPieceFromLocation(move.targetLocation.Value).Capture();
this.HalfMovesSinceCaptureOrPawn = 0;
}
if (!this.IsClone)
{
this.Turn++;
}
this.UpdateBoardState();
}
