public static CastlingEvaluationResult EvaluateCastling(Board board, PieceMovement pieceMovement)
{
Square rookSquare = FindRookSquare(board, pieceMovement);
int fileOffset = rookSquare.Position.File == "H" ? -2 : 3;
return(CastlingEvaluationResult.Create(rookSquare.Piece,
Position.Create(rookSquare.Position.Id),
Position.Create(rookSquare.Position.FileIndex + fileOffset, rookSquare.Position.RankIndex)));
}
private void CheckForCastlingAndMove(TurnLog turnLog, PieceMovement pieceMovement)
{
CastlingMovementSpecification castlingMovementSpecification = CastlingMovementSpecification.Create(this);
if (castlingMovementSpecification.IsSatisfied(pieceMovement))
{
CastlingEvaluationResult castlingEvaluationResult = CastlingEvaluator.EvaluateCastling(this, pieceMovement);
MovePiece(turnLog, PieceMovement.Create(castlingEvaluationResult.Rook, castlingEvaluationResult.From, castlingEvaluationResult.To));
}
}
public void Castling_To_Left_Rook_Should_Return_Rook_Movement()
{
Board board = Board.Create();
Piece whiteKing = Piece.Create(PieceType.King, PieceColor.White);
board.AddPiece(whiteKing, "E1");
board.AddPiece(Piece.Create(PieceType.Rook, PieceColor.White), "A1");
CastlingEvaluationResult result = CastlingEvaluator.EvaluateCastling(board, PieceMovement.Create(whiteKing, Position.Create("E1"), Position.Create("C1")));
Assert.IsNotNull(result.Rook);
Assert.AreEqual("A1", result.From.Id);
Assert.AreEqual("D1", result.To.Id);
}
