public virtual bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!(InRange(fromRow) && InRange(fromCol) && InRange(toRow) && InRange(toCol)))
return false;
else if (fromRow == toRow && fromCol == toCol)
return false;
else
return true;
}
private void InitBoard()
{
toSq = null;
fromSq = null;
board = new BoardSquare[8, 8];
int width = panelChessBoard.Width/8;
int height = panelChessBoard.Height/8;
for (int row=0; row < 8; row++)
for (int col = 0; col < 8; col++)
{
board[row, col] = new BoardSquare(row, col, width, height);
panelChessBoard.Controls.Add(board[row, col]);
board[row, col].Click += new System.EventHandler(Square_Click);
}
board[0, 0].ChessPiece = new Rook(ChessColors.Black);
board[0, 7].ChessPiece = new Rook(ChessColors.Black);
board[7, 0].ChessPiece = new Rook(ChessColors.White);
board[7, 7].ChessPiece = new Rook(ChessColors.White);
board[0, 2].ChessPiece = new Bishop(ChessColors.Black);
board[0, 5].ChessPiece = new Bishop(ChessColors.Black);
board[7, 2].ChessPiece = new Bishop(ChessColors.White);
board[7, 5].ChessPiece = new Bishop(ChessColors.White);
board[0, 1].ChessPiece = new Knight(ChessColors.Black);
board[0, 6].ChessPiece = new Knight(ChessColors.Black);
board[7, 1].ChessPiece = new Knight(ChessColors.White);
board[7, 6].ChessPiece = new Knight(ChessColors.White);
board[0, 3].ChessPiece = new King(ChessColors.Black);
board[7, 4].ChessPiece = new King(ChessColors.White);
board[0, 4].ChessPiece = new Queen(ChessColors.Black);
board[7, 3].ChessPiece = new Queen(ChessColors.White);
for (int i = 0; i <= 7; i++)
board[1, i].ChessPiece = new Pawn(ChessColors.Black);
for (int i = 0; i <= 7; i++)
board[6, i].ChessPiece = new Pawn(ChessColors.White);
turn = ChessColors.White;
label2.Text = turn.ToString();
label2.Refresh();
//board[0, 0].Image = (new Icon(Properties.Resources.Black_Rook, 48, 48)).ToBitmap();
}
public override bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!base.IsValidMove(board, fromRow, fromCol, toRow, toCol, turn, turnNumber))
return false;
if (turn == ChessColors.Black)
{
if (fromRow > toRow)
return false;
}
if (turn == ChessColors.White)
{
if (fromRow < toRow)
return false;
}
if (board[toRow, toCol].ChessPiece == null)
{
if (Math.Abs(fromRow - toRow) == 1 && fromCol == toCol)
return true;
//en passant implemented here
else if (Math.Abs(fromRow - toRow) == 1 && Math.Abs(toCol - fromCol) == 1)
{
if (board[fromRow, toCol].ChessPiece.Name == ChessPieces.Pawn &&board[fromRow, toCol].ChessPiece.PieceColor != turn && board[fromRow, toCol].ChessPiece.LastMove == turnNumber - 1)
return true;
else
return false;
}
else if (Math.Abs(fromRow - toRow) == 2 && toCol == fromCol)
{
if (board[fromRow,fromCol].ChessPiece.LastMove == 0)
return true;
else
return false;
}
else
return false;
}
else if (board[toRow, toCol].ChessPiece != null)
{
if (board[toRow, toCol].ChessPiece.PieceColor != turn && Math.Abs(fromRow - toRow) == 1 && Math.Abs(toCol-fromCol) == 1)
return true;
else
return false;
}
return false;
}
public override bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!base.IsValidMove(board, fromRow, fromCol, toRow, toCol, turn, turnNumber))
return false;
if (Math.Abs(toRow-fromRow) > 2 || Math.Abs(toCol-fromCol) > 2 || toRow == fromRow || toCol == fromCol)
return false;
else if (Math.Abs(toRow-fromRow) == 2 && Math.Abs(toCol-fromCol) == 1)
{
if (board[toRow,toCol].ChessPiece == null)
{
return true;
}
else if(board[toRow,toCol].ChessPiece.PieceColor != turn)
{
return true;
}
else
return false;
}
else if(Math.Abs(toRow-fromRow) == 1 && Math.Abs(toCol-fromCol) == 2)
{
if (board[toRow,toCol].ChessPiece == null)
{
return true;
}
else if(board[toRow,toCol].ChessPiece.PieceColor != turn)
{
return true;
}
else
return false;
}
else
return false;
}
public override bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!base.IsValidMove(board, fromRow, fromCol, toRow, toCol, turn, turnNumber))
return false;
if (toCol == fromCol || toRow == fromRow)
return false;
if (Math.Abs(fromRow - toRow) == Math.Abs(fromCol - toCol))
{
for (int i = 1; i < Math.Abs(fromRow-toRow); i++)
{
if (fromRow> toRow && fromCol>toCol)
{
if (board[fromRow-i,fromCol-i].ChessPiece != null)
return false;
}
if (fromRow> toRow && fromCol<toCol)
{
if (board[fromRow-i,fromCol+i].ChessPiece != null)
return false;
}
if (fromRow<toRow && fromCol<toCol)
{
if (board[fromRow+i,fromCol+i].ChessPiece != null)
return false;
}
if (fromRow< toRow && fromCol>toCol)
{
if (board[fromRow+i,fromCol-i].ChessPiece != null)
return false;
}
}
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
else
return false;
//if absolute vaalue of (fromRow - toRow) == absolute value of (toRow - toCol) Math.Abs(----)
}
private void initField()
{
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
field [x, y] = new BoardSquare(fieldStartSquare.transform.position + new Vector3(x * squareSize, 0, y * squareSize));
}
}
//Pawns
for (int x = 0; x < 8; x++)
{
field [x, 1].piece = Instantiate(pawn, field [x, 1].position, Quaternion.Euler(whiteRot)).GetComponent <ChessPiece> ();
field [x, 1].piece.setMaterial(whiteMat);
field [x, 6].piece = Instantiate(pawn, field [x, 6].position, Quaternion.Euler(blackRot)).GetComponent <ChessPiece> ();
field [x, 6].piece.setMaterial(blackMat);
}
//Rooks
field [0, 0].piece = Instantiate(rook, field [0, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [7, 0].piece = Instantiate(rook, field [7, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [0, 7].piece = Instantiate(rook, field [0, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
field [7, 7].piece = Instantiate(rook, field [7, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
//Knights
field [1, 0].piece = Instantiate(knight, field [1, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [6, 0].piece = Instantiate(knight, field [6, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [1, 7].piece = Instantiate(knight, field [1, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
field [6, 7].piece = Instantiate(knight, field [6, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
//Bishops
field [2, 0].piece = Instantiate(bishop, field [2, 0].position, Quaternion.Euler(whiteRot)).GetComponent <ChessPiece> ().init(whiteMat);
field [5, 0].piece = Instantiate(bishop, field [5, 0].position, Quaternion.Euler(whiteRot)).GetComponent <ChessPiece> ().init(whiteMat);
field [2, 7].piece = Instantiate(bishop, field [2, 7].position, Quaternion.Euler(blackRot)).GetComponent <ChessPiece> ().init(blackMat);
field [5, 7].piece = Instantiate(bishop, field [5, 7].position, Quaternion.Euler(blackRot)).GetComponent <ChessPiece> ().init(blackMat);
//Queens
field [3, 0].piece = Instantiate(queen, field [3, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [3, 7].piece = Instantiate(queen, field [3, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
//Kings
field [4, 0].piece = Instantiate(king, field [4, 0].position, Quaternion.identity).GetComponent <ChessPiece> ().init(whiteMat);
field [4, 7].piece = Instantiate(king, field [4, 7].position, Quaternion.identity).GetComponent <ChessPiece> ().init(blackMat);
}
public override bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!base.IsValidMove(board, fromRow, fromCol, toRow, toCol, turn, turnNumber))
return false;
if (fromRow != toRow && fromCol != toCol)
return false;
//horiz or vert?
if (fromRow == toRow )
{
if (Math.Abs(fromCol - toCol) == 1)
{
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
for (int i = 1; i <= Math.Abs(toCol - fromCol) - 1; i++)
{
if (fromCol > toCol)
{
if (board[fromRow, fromCol - i].ChessPiece != null)
return false;
}
if (fromCol < toCol)
{
if (board[fromRow, fromCol+i].ChessPiece != null)
return false;
}
}
}
if (fromCol == toCol)
{
if (Math.Abs(fromRow - toRow) == 1)
{
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
for (int i = 1; i <= Math.Abs(toRow - fromRow) - 1; i++)
{
if (fromRow > toRow)
{
if (board[fromRow-i, fromCol].ChessPiece != null)
return false;
}
if (fromCol < toCol)
{
if (board[fromRow+i, fromCol].ChessPiece != null)
return false;
}
}
}
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
//to Empty or OppColor
//Math.Sign(----) +1, -1, 0
//Castling
//check?
//1. Make move
//2. Ask each opposing piece if it can move to king location
//3. if all no --> commit , else --> undo
}
public override bool IsValidMove(BoardSquare[,] board, int fromRow, int fromCol, int toRow, int toCol, ChessColors turn, int turnNumber)
{
if (!base.IsValidMove(board, fromRow, fromCol, toRow, toCol, turn, turnNumber))
return false;
if (fromRow != toRow && fromCol != toCol && Math.Abs(fromRow - toRow) != Math.Abs(fromCol - toCol))
return false;
if (fromRow == toRow)
{
if (Math.Abs(fromCol - toCol) == 1)
{
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
for (int i = 1; i <= Math.Abs(toCol - fromCol) - 1; i++)
{
if (fromCol > toCol)
{
if (board[fromRow, fromCol - i].ChessPiece != null)
return false;
}
if (fromCol < toCol)
{
if (board[fromRow, fromCol + i].ChessPiece != null)
return false;
}
}
}
if (fromCol == toCol)
{
if (Math.Abs(fromRow - toRow) == 1)
{
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
for (int i = 1; i <= Math.Abs(toRow - fromRow) - 1; i++)
{
if (fromRow > toRow)
{
if (board[fromRow - i, fromCol].ChessPiece != null)
return false;
}
if (fromRow < toRow)
{
if (board[fromRow + i, fromCol].ChessPiece != null)
return false;
}
}
}
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
if (Math.Abs(fromRow - toRow) == Math.Abs(fromCol - toCol))
{
for (int i = 1; i < Math.Abs(fromRow - toRow); i++)
{
if (fromRow > toRow && fromCol > toCol)
{
if (board[fromRow - i, fromCol - i].ChessPiece != null)
return false;
}
if (fromRow > toRow && fromCol < toCol)
{
if (board[fromRow - i, fromCol + i].ChessPiece != null)
return false;
}
if (fromRow < toRow && fromCol < toCol)
{
if (board[fromRow + i, fromCol + i].ChessPiece != null)
return false;
}
if (fromRow < toRow && fromCol > toCol)
{
if (board[fromRow + i, fromCol - i].ChessPiece != null)
return false;
}
}
if (board[toRow, toCol].ChessPiece == null)
return true;
else if (board[toRow, toCol].ChessPiece.PieceColor != turn)
return true;
else
return false;
}
else
return false;
}
private void Square_Click(object sender, EventArgs e)
{
BoardSquare sq = (BoardSquare)sender;
//MessageBox.Show( string.Format("[{0},{1}]", sq.Row, sq.Col ) );
if (sq.ChessPiece == null || sq.ChessPiece.PieceColor != turn)
{
// Deselect the previous selection?
if (toSq != null && toSq != sq)
toSq.IsSelected = false;
if (!sq.IsSelected)
{
sq.IsSelected = true;
toSq = sq;
}
else
{
sq.IsSelected = false;
toSq = null;
}
}
else if (sq.ChessPiece.PieceColor == turn)
{
if (fromSq != null && fromSq != sq)
fromSq.IsSelected = false;
if (!sq.IsSelected)
{
sq.IsSelected = true;
fromSq = sq;
}
else
{
sq.IsSelected = false;
fromSq = null;
}
}
}