public static IEnumerable <BoardPosition> GetBishopMoves(BoardPosition pos, ChessBoard board)
{
List <BoardPosition> moves = new List <BoardPosition>();
//while loop front-right
int row_adder = -1;
int col_adder = -1;
for (int i = 0; i < 4; i++)
{
if (i == 1)
{
col_adder = 1;
}
if (i == 2)
{
row_adder = 1; col_adder = -1;
}
if (i == 3)
{
col_adder = 1;
}
BoardPosition temp = new BoardPosition(pos.Row + row_adder, pos.Col + col_adder);
while (ChessBoard.PositionInBounds(temp))
{
moves.Add(temp);
if (!board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
{
break;
}
temp = new BoardPosition(temp.Row + row_adder, temp.Col + col_adder);
}
}
return((IEnumerable <BoardPosition>)moves);
}
public static IEnumerable <BoardPosition> GetMoves4Piece(BoardPosition pos, ChessBoard board)
{
ChessPiece piece = board.GetPieceAtPosition(pos);
IEnumerable <BoardPosition> attack_positions = new List <BoardPosition>();
if (piece.PieceType.Equals(ChessPieceType.Pawn))
{
return(GetPawnMoves(pos, board));
}
else if (piece.PieceType.Equals(ChessPieceType.Rook))
{
return(GetRookMoves(pos, board));
}
else if (piece.PieceType.Equals(ChessPieceType.Knight))
{
return(GetKnightMoves(pos, board));
}
else if (piece.PieceType.Equals(ChessPieceType.Bishop))
{
return(GetBishopMoves(pos, board));
}
else if (piece.PieceType.Equals(ChessPieceType.Queen))
{
return(GetQueenMoves(pos, board));
}
else if (piece.PieceType.Equals(ChessPieceType.King))
{
return(GetKingMoves(pos, board));
}
return(attack_positions);
}
public static IEnumerable <BoardPosition> GetRookMoves(BoardPosition pos, ChessBoard board)
{
List <BoardPosition> moves = new List <BoardPosition>();
int row_adder = 1;
int col_adder = 0;
for (int i = 0; i < 4; i++)
{
if (i == 1)
{
row_adder = -1;
}
if (i == 2)
{
row_adder = 0; col_adder = 1;
}
if (i == 3)
{
col_adder = -1;
}
BoardPosition temp = new BoardPosition(pos.Row + row_adder, pos.Col + col_adder);
while (ChessBoard.PositionInBounds(temp))
{
moves.Add(temp);
if (!board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
{
break;
}
temp = new BoardPosition(temp.Row + row_adder, temp.Col + col_adder);
}
}
//BoardPosition temp = new BoardPosition(pos.Row + 1, pos.Col);
//while (ChessBoard.PositionInBounds(temp))
//{
// moves.Add(temp);
// if (! board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
// break;
// temp = new BoardPosition(temp.Row+1, temp.Col);
//}
////while loop right
//temp = new BoardPosition(pos.Row, pos.Col + 1);
//while (ChessBoard.PositionInBounds(temp))
//{
// moves.Add(temp);
// if (!board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
// break;
// temp = new BoardPosition(temp.Row, temp.Col + 1);
//}
////while loop back
//temp = new BoardPosition(pos.Row - 1, pos.Col);
//while (ChessBoard.PositionInBounds(temp))
//{
// moves.Add(temp);
// if (!board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
// break;
// temp = new BoardPosition(temp.Row - 1, temp.Col);
//}
////while loop left
//temp = new BoardPosition(pos.Row, pos.Col-1);
//while (ChessBoard.PositionInBounds(temp))
//{
// moves.Add(temp);
// if (!board.GetPieceAtPosition(temp).PieceType.Equals(ChessPieceType.Empty))
// break;
// temp = new BoardPosition(temp.Row, temp.Col-1);
//}
return((IEnumerable <BoardPosition>)moves);
}
