public static void kingInCheck(Position position) // checks if the piece in the provided position poses a check to the opposite king.
{
ChessPiece piece = squares[position.Row, position.Col].getPiece(); // the piece which had been moved now.
ChessPiece enemyKing;
Position enemyKingPosition = null ;
if (getPlayerSide(piece) == Player.White)
enemyKing = ChessPiece.BlackKing;
else
enemyKing = ChessPiece.WhiteKing;
// getting position of enemy king.
foreach(Position p in pieceMap.Keys)
{
if(pieceMap[p] == enemyKing)
{
Debug.Print("Position : "+p);
enemyKingPosition = p;
break;
}
}
if(enemyKingPosition == null)
{
setErrorHighlight();
Debug.Print("cidjf");
setStatus("[Debug] FATAL: Enemy King position cannot be determined");
return;
}
foreach(Position possiblePosition in getPossiblePositions(position))
{
Debug.Print("Position : " + possiblePosition);
if(possiblePosition == enemyKingPosition)
{
setStatus("King in check!");
// setting check info - required later for checking. (and ofcourse, removing checkHighlight)
if (info == null)
info = new CheckInfo();
info.threatenedBy = position;
info.pieceInCheck = enemyKingPosition;
//TODO: while making move check both if the move leads to a check or if the king is in check, the move should clear the check.
// ---
isKingInCheck = true;
squares[enemyKingPosition.Row, enemyKingPosition.Col].setCheckHighlight();
}
}
}
public Form1()
{
InitializeComponent();
isWhitesTurn = true;
isKingInCheck = false;
currentHighlight = null;
possiblePositions = new List<Position>();
pieceMap = new Dictionary<Position, ChessPiece>();
statusLabel = new ToolStripLabel();
info = null;
lastMove = null; // a reference for the last Position.
//adding status label to the status strip, cant be added via the designer because this is a static object.
statusStrip1.Items.Add(statusLabel);
tableLayoutPanel1.RowCount = 8;
tableLayoutPanel1.ColumnCount = 8;
for (int i = 0; i < tableLayoutPanel1.RowCount; i++)
{
for (int j = 0; j < tableLayoutPanel1.ColumnCount; j++)
{
squares[i, j] = new ChessBoardSquare(i, j);
tableLayoutPanel1.Controls.Add(squares[i,j],j,i);
}
}
// defining the resource dictionary
resourceMap = new Dictionary<ChessPiece, Icon>();
resourceMap.Add(ChessPiece.WhiteRook, WindowsFormsApplication2.Properties.Resources.White_Rook);
resourceMap.Add(ChessPiece.WhiteHorse, WindowsFormsApplication2.Properties.Resources.White_Horse);
resourceMap.Add(ChessPiece.WhiteBishop, WindowsFormsApplication2.Properties.Resources.White_Bishop);
resourceMap.Add(ChessPiece.WhiteKing, WindowsFormsApplication2.Properties.Resources.White_King);
resourceMap.Add(ChessPiece.WhiteQueen, WindowsFormsApplication2.Properties.Resources.White_Queen);
resourceMap.Add(ChessPiece.WhitePawn, WindowsFormsApplication2.Properties.Resources.White_Pawn);
resourceMap.Add(ChessPiece.BlackRook, WindowsFormsApplication2.Properties.Resources.Black_Rook);
resourceMap.Add(ChessPiece.BlackHorse, WindowsFormsApplication2.Properties.Resources.Black_Horse);
resourceMap.Add(ChessPiece.BlackBishop, WindowsFormsApplication2.Properties.Resources.Black_Bishop);
resourceMap.Add(ChessPiece.BlackKing, WindowsFormsApplication2.Properties.Resources.Black_King);
resourceMap.Add(ChessPiece.BlackQueen, WindowsFormsApplication2.Properties.Resources.Black_Queen);
resourceMap.Add(ChessPiece.BlackPawn, WindowsFormsApplication2.Properties.Resources.Black_Pawn);
// setting initial positions for pieces
squares[0, 0].setPiece(ChessPiece.WhiteRook);
squares[0, 1].setPiece(ChessPiece.WhiteHorse);
squares[0, 2].setPiece(ChessPiece.WhiteBishop);
squares[0, 3].setPiece(ChessPiece.WhiteKing);
squares[0, 4].setPiece(ChessPiece.WhiteQueen);
squares[0, 5].setPiece(ChessPiece.WhiteBishop);
squares[0, 6].setPiece(ChessPiece.WhiteHorse);
squares[0, 7].setPiece(ChessPiece.WhiteRook);
squares[7, 0].setPiece(ChessPiece.BlackRook);
squares[7, 1].setPiece(ChessPiece.BlackHorse);
squares[7, 2].setPiece(ChessPiece.BlackBishop);
squares[7, 3].setPiece(ChessPiece.BlackKing);
squares[7, 4].setPiece(ChessPiece.BlackQueen);
squares[7, 5].setPiece(ChessPiece.BlackBishop);
squares[7, 6].setPiece(ChessPiece.BlackHorse);
squares[7, 7].setPiece(ChessPiece.BlackRook);
for (int i = 0; i < tableLayoutPanel1.ColumnCount; i++)
{
squares[1, i].setPiece(ChessPiece.WhitePawn);
squares[6, i].setPiece(ChessPiece.BlackPawn);
}
setStatus("White's Move now");
}