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);
}
