public static IEnumerable <BoardPosition> GetKingMoves(BoardPosition pos, ChessBoard board)
{
List <BoardPosition> moves = new List <BoardPosition>();
BoardPosition left = new BoardPosition(pos.Row, pos.Col - 1);
if (ChessBoard.PositionInBounds(left))
{
moves.Add(left);
}
BoardPosition right = new BoardPosition(pos.Row, pos.Col + 1);
if (ChessBoard.PositionInBounds(right))
{
moves.Add(right);
}
BoardPosition front = new BoardPosition(pos.Row + 1, pos.Col);
if (ChessBoard.PositionInBounds(front))
{
moves.Add(front);
}
BoardPosition back = new BoardPosition(pos.Row - 1, pos.Col);
if (ChessBoard.PositionInBounds(back))
{
moves.Add(back);
}
//diagonal
BoardPosition front_left = new BoardPosition(pos.Row + 1, pos.Col - 1);
if (ChessBoard.PositionInBounds(front_left))
{
moves.Add(front_left);
}
BoardPosition front_right = new BoardPosition(pos.Row + 1, pos.Col + 1);
if (ChessBoard.PositionInBounds(front_right))
{
moves.Add(front_right);
}
BoardPosition back_left = new BoardPosition(pos.Row - 1, pos.Col - 1);
if (ChessBoard.PositionInBounds(back_left))
{
moves.Add(back_left);
}
BoardPosition back_right = new BoardPosition(pos.Row - 1, pos.Col + 1);
if (ChessBoard.PositionInBounds(back_right))
{
moves.Add(back_right);
}
return(moves);
}
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);
}
public static IEnumerable <BoardPosition> GetPawnMoves(BoardPosition pawn_pos, ChessBoard board)
{
List <BoardPosition> pawn_moves = new List <BoardPosition>();
//ChessPiece pawn = board.GetPieceAtPosition(pawn_pos);
/*
* //front
* BoardPosition one_front = new BoardPosition(pawn_pos.Row + 1, pawn_pos.Col);
* if (ChessBoard.PositionInBounds(one_front))
* pawn_moves.Add(one_front);
*/
//front right
int player = board.GetPlayerAtPosition(pawn_pos);
if (player == 1)
{
BoardPosition front_right = new BoardPosition(pawn_pos.Row - 1, pawn_pos.Col - 1);
if (ChessBoard.PositionInBounds(front_right))
{
pawn_moves.Add(front_right);
}
//front-left
BoardPosition one_left = new BoardPosition(pawn_pos.Row - 1, pawn_pos.Col + 1);
if (ChessBoard.PositionInBounds(one_left))
{
pawn_moves.Add(one_left);
}
/*
* if (pawn_pos.Row == 1)
* {
* BoardPosition two_front = new BoardPosition(pawn_pos.Row - 2, pawn_pos.Col);
* pawn_moves.Add(two_front);
* }
*/
}
else
{
BoardPosition front_right = new BoardPosition(pawn_pos.Row + 1, pawn_pos.Col + 1);
if (ChessBoard.PositionInBounds(front_right))
{
pawn_moves.Add(front_right);
}
//front-left
BoardPosition one_left = new BoardPosition(pawn_pos.Row + 1, pawn_pos.Col - 1);
if (ChessBoard.PositionInBounds(one_left))
{
pawn_moves.Add(one_left);
}
/*
*
* if (pawn_pos.Row == 1)
* {
* BoardPosition two_front = new BoardPosition(pawn_pos.Row + 2, pawn_pos.Col);
* pawn_moves.Add(two_front);
* }
*/
}
return(pawn_moves);
}