public object Clone()
{
Piece newPiece;
switch (this.GetType().FullName)
{
case "King":
newPiece = new King(this.Color, this.Id);
break;
case "Queen":
newPiece = new Queen(this.Color, this.Id);
break;
case "Rook":
newPiece = new Rook(this.Color, this.Id);
break;
case "Bishop":
newPiece = new Bishop(this.Color, this.Id);
break;
case "Knight":
newPiece = new Knight(this.Color, this.Id);
break;
case "Pawn":
newPiece = new Pawn(this.Color, this.Id);
break;
default:
return(null);
}
newPiece.Location = this.Location;
newPiece.Moved = this.Moved;
newPiece.Captured = this.Captured;
return(newPiece);
}
public override List <Move> getLegalMoves(Board board)
{
List <Move> legalMoves = new List <Move>();
foreach (int argument in Rook.legalMoveArguments)
{
int unCheckedPosition = this.piecePosition;
while (BoardUtils.checkedForLegalPosition(unCheckedPosition))
{
if (Rook.firstColumnViolation(unCheckedPosition, argument) ||
Rook.eightColumnViolation(unCheckedPosition, argument))
{
break;
}
unCheckedPosition += argument;
if (BoardUtils.checkedForLegalPosition(unCheckedPosition))
{
Cell currentCell = board.getCell(unCheckedPosition);
if (!currentCell.isCellOccupied())
{
legalMoves.Add(new NormalMove(board, this, unCheckedPosition));
}
else
{
if (this.pieceSide != currentCell.getPiece().getSide())
{
legalMoves.Add(new AttackMove(board, this, unCheckedPosition, currentCell.getPiece()));
}
break;
}
}
}
}
return(legalMoves);
}
public void SetupBoard()
{
piece[0] = new Rook(false, "rbk");
piece[1] = new Knight(false, "nbk");
piece[2] = new Bishop(false, "bbk");
piece[3] = new Queen(false, "qb");
piece[4] = new King(false, "kb");
piece[5] = new Bishop(false, "bbq");
piece[6] = new Knight(false, "nbq");
piece[7] = new Rook(false, "rbq");
piece[8] = new Pawn(false, "pba");
piece[9] = new Pawn(false, "pbb");
piece[10] = new Pawn(false, "pbc");
piece[11] = new Pawn(false, "pbd");
piece[12] = new Pawn(false, "pbe");
piece[13] = new Pawn(false, "pbf");
piece[14] = new Pawn(false, "pbg");
piece[15] = new Pawn(false, "pbh");
piece[16] = new Rook(true, "rwk");
piece[17] = new Knight(true, "nwk");
piece[18] = new Bishop(true, "bwk");
piece[19] = new Queen(true, "qw");
piece[20] = new King(true, "kw");
piece[21] = new Bishop(true, "bbw");
piece[22] = new Knight(true, "nbw");
piece[23] = new Rook(true, "rbw");
piece[24] = new Pawn(true, "pba");
piece[25] = new Pawn(true, "pbb");
piece[26] = new Pawn(true, "pbc");
piece[27] = new Pawn(true, "pbd");
piece[28] = new Pawn(true, "pbe");
piece[29] = new Pawn(true, "pbf");
piece[30] = new Pawn(true, "pbg");
piece[31] = new Pawn(true, "pbh");
// set the first turn to white
turn = true;
// Adds the black home row to the board
for (int i = 0; i < 8; i++)
{
piece[i].Location = new Point(i, 0);
}
// Adds the black pawns to the board
for (int i = 8; i < 16; i++)
{
piece[i].Location = new Point(i - 8, 1);
}
// Adds the white home row to the board
for (int i = 16; i < 24; i++)
{
piece[i].Location = new Point(i - 16, 7);
}
// Adds the White pawns to the board
for (int i = 24; i < 32; i++)
{
piece[i].Location = new Point(i - 24, 6);
}
}
public bool CheckMove(Point position, int index)
{
if (index != -1)
{
if (piece[index].Color == turn)
{
Point newLoc = position;
newLoc = Piece.boardToPiece(newLoc);
bool valid = piece[index].movePiece(newLoc);
bool nBlocked = Rules.checkPiecePath(piece[index], newLoc, piece);
if (check.isCheck && check.checkColor == turn)
{
Piece tempPiece = (Piece)piece[index].Clone();
tempPiece.Location = newLoc;
if (Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn))
{
return(false);
}
}
if (valid && nBlocked)
{
if (Rules.CheckCapture(newLoc, piece[index], piece, out int capIndex))
{
piece[capIndex].Captured = true;
}
piece[index].Location = newLoc;
piece[index].Moved = true;
bool ischeck = Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn);
check.isCheck = ischeck;
check.checkColor = turn;
pieceMove move;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = piece[capIndex].Captured;
move.check = ischeck;
file.updatePgn(move);
return(true);
}
else if (!valid && nBlocked && piece[index].GetType().Equals(typeof(King)))
{
Piece rook = new Rook();
bool check = Rules.checkCastle(piece[index], newLoc, piece, out int location);
if (check)
{
Point rLoc = piece[location].Location;
if (rLoc.X - piece[index].Location.X < 0)
{
rLoc.X = newLoc.X + 1;
}
else if (rLoc.X - piece[index].Location.X > 0)
{
rLoc.X = newLoc.X - 1;
}
pieceMove move;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = false;
move.check = true;
file.updatePgn(move);
piece[location].Location = rLoc;
piece[index].Location = newLoc;
piece[location].Moved = true;
piece[index].Moved = true;
return(true);
}
}
else if (!valid && piece[index].GetType().Equals(typeof(Pawn)))
{
bool pawnCap = Rules.CheckPawnCapture(newLoc, piece, index, out int capIndex);
if (pawnCap)
{
piece[capIndex].Captured = true;
pieceMove move;
bool ischeck = Rules.isCheck(piece, piece[index].AttackedSquares(piece), turn);
check.isCheck = ischeck;
check.checkColor = turn;
move.piece = piece[index];
move.newLocation = newLoc;
move.capture = false;
move.check = false;
file.updatePgn(move);
piece[index].Location = newLoc;
return(true);
}
}
index = -1;
}
}
return(false);
}
private Chessman movePieceOnBoard(BoardSpace fromSpace, BoardSpace toSpace, String extraArgs = "")
{
// This is kust updating the data model. Validation Should occur prior to this
// This function Assumes that the moves are valid.
Chessman fromPiece = fromSpace.piece;
Chessman killedPiece = null;
if (toSpace.piece != null)
{
// We killed piece remove it.
killedPiece = toSpace.piece;
}
fromPiece.position = toSpace;
toSpace.piece = fromPiece;
fromSpace.piece = null;
if (toSpace.piece.GetType() == typeof(King))
{
King kp = (King)toSpace.piece;
if (kp.canCastle)
{
kp.canCastle = false;
}
if (kp.color == ChessmanColor.white)
{
whiteKingPos = toSpace;
}
else
{
blackKingPos = toSpace;
}
}
else if (toSpace.piece.GetType() == typeof(Rook))
{
Rook rp = (Rook)toSpace.piece;
if (rp.canCastle)
{
rp.canCastle = false;
}
}
else if (toSpace.piece.GetType() == typeof(Pawn))
{
((Pawn)toSpace.piece).canMoveTwice = false; // Pawns Can only Move Twice on the first move
if ((toSpace.piece.color == ChessmanColor.black && toSpace.position.Item2 == 1) || (toSpace.piece.color == ChessmanColor.white && toSpace.position.Item2 == 8))
{
Char promotionType = 'q';
if (extraArgs.Length > 0)
{
promotionType = extraArgs.ToLower()[0];
}
switch (promotionType)
{
case 'q':
// Promote to Queen
Queen q = new Queen(toSpace, toSpace.piece.color);
toSpace.piece = q;
break;
case 'b':
// Promote to Queen
Bishop b = new Bishop(toSpace, toSpace.piece.color);
toSpace.piece = b;
break;
case 'n':
// Promote to Queen
Knight kn = new Knight(toSpace, toSpace.piece.color);
toSpace.piece = kn;
break;
case 'r':
// Promote to Queen
Rook r = new Rook(toSpace, toSpace.piece.color);
toSpace.piece = r;
break;
}
}
}
updateAttacksOnKing(toSpace.piece.color);
return(killedPiece);
}
public QueenSideCastleMove(Board board, Piece piece, int desCoordinate, Rook castleRook, int start, int des) :
base(board, piece, desCoordinate, castleRook, start, des)
{
}