public static bool SquareIsThreatened(Piece pPiece, BoardPosition bp, ChessBoard aBoard)
{
Piece.Color pieceColor = pPiece.GetColor();
List <BoardPosition> moveList;
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if (aBoard.GetBoard()[i, j].HasPiece())
{
if (!(pPiece.IsSameColor(aBoard.GetBoard()[i, j].GetPiece())))
{
if (aBoard.GetBoard()[i, j].GetPiece().GetPieceType() == Piece.PieceType.QUEEN)
{
moveList = GetAvaiableMoves(new BoardPosition(i, j), aBoard);
// Console.WriteLine("Position: " + i + "," + j);
foreach (BoardPosition b in moveList)
{
// Console.Write(b.ToString() + " ");
if (b.IsSamePosition(bp))
{
return(true);
}
}
}
}
}
}
}
return(false);
}
private static List <BoardPosition> GetPawnMoves(BoardPosition bp, ChessBoard aBoard)
{
List <BoardPosition> boardPositionList = new List <BoardPosition>();
boardPositionList.Add(bp);
Piece p = aBoard.GetBoard()[bp.X, bp.Y].GetPiece();
int i = bp.X;
int j = bp.Y;
// Right now white is assumed to be at the bottom of the board
// TODO: find a way to make sure the color is not the factor
if (p.GetColor() == Piece.Color.BLACK)
{
if (j > 0)
{
// Double square
if (j > 1)
{
if (!(aBoard.GetBoard()[i, j].GetPiece().GetHasMoved()) &&
!aBoard.GetBoard()[i, j - 2].HasPiece() &&
!aBoard.GetBoard()[i, j - 1].HasPiece())
{
boardPositionList.Add(new BoardPosition(i, j - 2));
}
}
// front square
j--;
if (!aBoard.GetBoard()[i, j].HasPiece())
{
boardPositionList.Add(new BoardPosition(i, j));
}
if (i > 0)
{
i--;
if (aBoard.GetBoard()[i, j].HasPiece())
{
if (!p.IsSameColor(aBoard.GetBoard()[i, j].GetPiece()))
{
boardPositionList.Add(new BoardPosition(i, j));
}
}
}
i = bp.X;
if (i < 7)
{
i++;
if (aBoard.GetBoard()[i, j].HasPiece())
{
if (!p.IsSameColor(aBoard.GetBoard()[i, j].GetPiece()))
{
boardPositionList.Add(new BoardPosition(i, j));
}
}
}
}
i = bp.X;
j = bp.Y;
if (j == 3)
{
if (i > 0)
{
if (aBoard.GetBoard()[i - 1, j].HasPiece())
{
if (aBoard.GetBoard()[i - 1, j].GetPiece().GetJumpedLastTurn())
{
boardPositionList.Add(new BoardPosition(i - 1, j - 1));
}
}
}
if (i < 7)
{
if (aBoard.GetBoard()[i + 1, j].HasPiece())
{
if (aBoard.GetBoard()[i + 1, j].GetPiece().GetJumpedLastTurn())
{
boardPositionList.Add(new BoardPosition(i + 1, j - 1));
}
}
}
}
}
else
{
if (j < 7)
{
if (j < 6)
{
if (!(aBoard.GetBoard()[i, j].GetPiece().GetHasMoved()) &&
!aBoard.GetBoard()[i, j + 2].HasPiece())
{
boardPositionList.Add(new BoardPosition(i, j + 2));
}
}
j++;
if (!aBoard.GetBoard()[i, j].HasPiece())
{
boardPositionList.Add(new BoardPosition(i, j));
}
i--;
if (i >= 0)
{
if (aBoard.GetBoard()[i, j].HasPiece())
{
if (!p.IsSameColor(aBoard.GetBoard()[i, j].GetPiece()))
{
boardPositionList.Add(new BoardPosition(i, j));
}
}
}
i = bp.X;
if (i < 7)
{
i++;
if (aBoard.GetBoard()[i, j].HasPiece())
{
if (!p.IsSameColor(aBoard.GetBoard()[i, j].GetPiece()))
{
boardPositionList.Add(new BoardPosition(i, j));
}
}
}
}
i = bp.X;
j = bp.Y;
if (j == 4)
{
if (i > 0)
{
if (aBoard.GetBoard()[i - 1, j].HasPiece())
{
if (aBoard.GetBoard()[i - 1, j].GetPiece().GetJumpedLastTurn())
{
boardPositionList.Add(new BoardPosition(i - 1, j + 1));
}
}
}
if (i < 7)
{
if (aBoard.GetBoard()[i + 1, j].HasPiece())
{
if (aBoard.GetBoard()[i + 1, j].GetPiece().GetJumpedLastTurn())
{
boardPositionList.Add(new BoardPosition(i + 1, j + 1));
}
}
}
}
}
return(boardPositionList);
}
private static List <BoardPosition> CheckCastling(BoardPosition bp, ChessBoard aBoard)
{
List <BoardPosition> boardPositionList = new List <BoardPosition>();
boardPositionList.Add(bp);
Piece p = aBoard.GetBoard()[bp.X, bp.Y].GetPiece();
int i = bp.X;
int j = bp.Y;
if (p.GetColor() == Piece.Color.WHITE)
{
if (!p.GetHasMoved())
{
if (aBoard.GetBoard()[0, 7].GetPiece() != null)
{
if (aBoard.GetBoard()[0, 7].GetPiece().GetPieceType() == Piece.PieceType.ROOK)
{
if (!aBoard.GetBoard()[0, 7].GetPiece().GetHasMoved())
{
if (!aBoard.GetBoard()[1, 7].HasPiece() &&
!aBoard.GetBoard()[2, 7].HasPiece() &&
!aBoard.GetBoard()[3, 7].HasPiece())
{
if (!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(0, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(1, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(2, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(3, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(5, 7), aBoard))
{
boardPositionList.Add(new BoardPosition(2, 7));
}
}
}
}
}
if (aBoard.GetBoard()[7, 7].GetPiece() != null)
{
if (aBoard.GetBoard()[7, 7].GetPiece().GetPieceType() == Piece.PieceType.ROOK)
{
if (!aBoard.GetBoard()[7, 7].GetPiece().GetHasMoved())
{
if (!aBoard.GetBoard()[6, 7].HasPiece() &&
!aBoard.GetBoard()[5, 7].HasPiece())
{
if (!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(4, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(5, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(6, 7), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(7, 7), aBoard))
{
boardPositionList.Add(new BoardPosition(6, 7));
}
}
}
}
}
}
}
else if (p.GetColor() == Piece.Color.BLACK)
{
if (!p.GetHasMoved())
{
if (aBoard.GetBoard()[0, 0].GetPiece() != null)
{
if (aBoard.GetBoard()[0, 0].GetPiece().GetPieceType() == Piece.PieceType.ROOK)
{
if (!aBoard.GetBoard()[0, 0].GetPiece().GetHasMoved())
{
if (!aBoard.GetBoard()[1, 0].HasPiece() &&
!aBoard.GetBoard()[2, 0].HasPiece() &&
!aBoard.GetBoard()[3, 0].HasPiece())
{
if (!SquareIsThreatened(aBoard.GetBoard()[4, 0].GetPiece(), new BoardPosition(1, 0), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 0].GetPiece(), new BoardPosition(2, 0), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 0].GetPiece(), new BoardPosition(3, 0), aBoard))
{
boardPositionList.Add(new BoardPosition(2, 0));
}
}
}
}
}
if (aBoard.GetBoard()[7, 0].GetPiece() != null)
{
if (aBoard.GetBoard()[7, 0].GetPiece().GetPieceType() == Piece.PieceType.ROOK)
{
if (!aBoard.GetBoard()[7, 0].GetPiece().GetHasMoved())
{
if (!aBoard.GetBoard()[6, 0].HasPiece() &&
!aBoard.GetBoard()[5, 0].HasPiece())
{
if (!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(5, 0), aBoard) &&
!SquareIsThreatened(aBoard.GetBoard()[4, 7].GetPiece(), new BoardPosition(6, 0), aBoard))
{
boardPositionList.Add(new BoardPosition(6, 0));
}
}
}
}
}
}
}
return(boardPositionList);
}