public List <Piece> CheckDiagonalDirection(ChessBoard ChessBoard, Point BoardPos, bool isKing)
{
PossibleMoves = new List <Piece>();
int x = BoardPos.X; // 3
int y = BoardPos.Y; // 1
int DistanceToLeft = x + 1; // 4
int DistanceToRight = ChessBoard.BoardWidth - x; // 5
int DistanceToTop = ChessBoard.BoardHeight - y; // 7
int DistanceToBottom = y + 1; //2
if (isKing)
{
DistanceToTop = GameSystem.GetMin(2, DistanceToTop);
DistanceToBottom = GameSystem.GetMin(2, DistanceToBottom);
DistanceToLeft = GameSystem.GetMin(2, DistanceToLeft);
DistanceToRight = GameSystem.GetMin(2, DistanceToRight);
}
//forward left
for (int i = 1; i < GameSystem.GetMin(DistanceToLeft, DistanceToTop); i++)
{
if (i < GameSystem.GetMin(DistanceToLeft, DistanceToTop))
{
Piece currentSpace = ChessBoard.BoardData[x - i, y + i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y + i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y + i]);
break;
}
else
{
break;
}
}
}
//down left
for (int i = 1; i < GameSystem.GetMin(DistanceToLeft, DistanceToBottom); i++)
{
Piece currentSpace = ChessBoard.BoardData[x - i, y - i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y - i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y - i]);
break;
}
else
{
break;
}
}
//forward right
for (int i = 1; i < GameSystem.GetMin(DistanceToRight, DistanceToTop); i++)
{
Piece currentSpace = ChessBoard.BoardData[x + i, y + i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y + i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y + i]);
break;
}
else
{
break;
}
}
//down right
for (int i = 1; i < GameSystem.GetMin(DistanceToRight, DistanceToBottom); i++)
{
Piece currentSpace = ChessBoard.BoardData[x + i, y - i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y - i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y - i]);
break;
}
else
{
break;
}
}
return(PossibleMoves);
}
public List <Piece> CheckHorizontalDirection(ChessBoard ChessBoard, Point BoardPos, bool isKing)
{
PossibleMoves = new List <Piece>();
int x = BoardPos.X;
int y = BoardPos.Y;
int DistanceToTop = ChessBoard.BoardHeight - y;
int DistanceToBottom = y + 1;
int DistanceToLeft = x + 1;
int DistanceToRight = ChessBoard.BoardWidth - x;
if (isKing)
{
DistanceToTop = GameSystem.GetMin(2, DistanceToTop);
DistanceToBottom = GameSystem.GetMin(2, DistanceToBottom);
DistanceToLeft = GameSystem.GetMin(2, DistanceToLeft);
DistanceToRight = GameSystem.GetMin(2, DistanceToRight);
}
//check up direction
for (int i = 1; i < DistanceToTop; i++)
{
Piece currentSpace = ChessBoard.BoardData[x, y + i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x, y + i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x, y + i]);
break;
}
else
{
break;
}
}
//check down direction
for (int i = 1; i < DistanceToBottom; i++)
{
Piece currentSpace = ChessBoard.BoardData[x, y - i];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x, y - i]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x, y - i]);
break;
}
else
{
break;
}
}
//check right direction
for (int i = 1; i < DistanceToRight; i++)
{
Piece currentSpace = ChessBoard.BoardData[x + i, y];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x + i, y]);
break;
}
else
{
break;
}
}
//check left direction
for (int i = 1; i < DistanceToLeft; i++)
{
Piece currentSpace = ChessBoard.BoardData[x - i, y];
if (currentSpace.PieceColour == "-")
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y]);
}
else if (currentSpace.PieceColour != PieceColour)
{
PossibleMoves.Add(ChessBoard.BoardData[x - i, y]);
break;
}
else
{
break;
}
}
return(PossibleMoves);
}
