/// <summary>
/// Adds a piece to the board if the square isn't occupied
/// </summary>
/// <param name="piece">The piece to add to the board</param>
/// <param name="x">The x coordinate of the square to place the piece at</param>
/// <param name="y">The y coordinate of the square to place the piece at</param>
/// <returns>True if the piece was added</returns>
public bool Add(IChessPiece piece, int xCoordinate, int yCoordinate, PieceColor color)
{
if (!IsLegalBoardPosition(xCoordinate, yCoordinate))
{
RemoveFromBoard(piece);
return(false);
}
if (_piecesOnBoard[(int)PieceType.Pawn, (int)piece.Color].Count == _settings.MaxPawnsPerSide)
{
RemoveFromBoard(piece);
return(false);
}
if (_pieces[xCoordinate, yCoordinate] == null)
{
_pieces[xCoordinate, yCoordinate] = piece;
piece.XCoordinate = xCoordinate;
piece.YCoordinate = yCoordinate;
_piecesOnBoard[(int)PieceType.Pawn, (int)piece.Color].Add(piece);
piece.SetBoard(this);
return(true);
}
else
{
RemoveFromBoard(piece);
return(false);
}
}
public void ChessPiece_Move_Sets_Y_Coordinate_For_Valid_Move()
{
IChessPiece piece = CreatePiece(PieceType.Pawn, PieceColor.Black);
_chessBoard.Add(Arg.Any <IChessPiece>(),
Arg.Do <int>(x => piece.XCoordinate = x),
Arg.Do <int>(y => piece.YCoordinate = y),
piece.Color).Returns(true).AndDoes(x => piece.SetBoard(_chessBoard));
_chessBoard.IsMoveValid(Arg.Any <Move>()).Returns(true);
_chessBoard.Add(piece, 3, 6, piece.Color);
piece.Move(MovementType.Move, 3, 4);
Assert.That(piece.YCoordinate, Is.EqualTo(4));
}
private void RemoveFromBoard(IChessPiece piece)
{
piece.XCoordinate = OffBoardCoordinate;
piece.YCoordinate = OffBoardCoordinate;
piece.SetBoard(null);
}