public void pawnPromotion(Point p) {
if (b.get(p) instanceof Pawn && p.getY() == 8) {
b.remove(p);
b.put(p, new Queen(true));
} else if (b.get(p) instanceof Pawn && p.getY() == 1) {
b.remove(p);
b.put(p, new Queen(false));
}
}
public boolean validTake(Point start, Point end) {
Piece piece = b.get(start);
Piece ending = b.get(end);
if (ending != null
&& piece.validCapture(start, end)
&& checkIfPathIsClear(start, end)
&& piece.getColor() != ending.getColor()) {
return true;
}
return false;
}
public boolean movePiece(Point startLocation, Point endLocation) {
Piece piece = b.get(startLocation);
if (piece.pieceMovement(startLocation, endLocation)
&& checkIfPathIsClear(startLocation, endLocation)) {
b.put(endLocation, b.get(startLocation));
b.remove(startLocation);
piece.setHasNotMoved(false);
return true;
}
return false;
}
public boolean takePiece(Point startLocation, Point endLocation) {
Piece piece = b.get(startLocation);
Piece ending = b.get(endLocation);
if (piece.validCapture(startLocation, endLocation)
&& checkIfPathIsClear(startLocation, endLocation)
&& piece.getColor() != ending.getColor()) {
b.remove(endLocation);
b.put(endLocation, b.get(startLocation));
b.remove(startLocation);
piece.setHasNotMoved(false);
return true;
}
return false;
}
public boolean castling(Point k1, Point k2, Point r1, Point r2) {
Piece k = b.get(k1);
Piece r = b.get(r1);
if (checkIfPathIsClear(k1, r1) && k.pieceMovement(k1, k2) && r.pieceMovement(r1, r2)) {
b.put(k2, b.get(k1));
b.put(r2, b.get(r1));
b.remove(k1);
b.remove(r1);
k.setHasNotMoved(false);
r.setHasNotMoved(false);
return true;
}
return false;
}
/**
* Paints the graphic component
*
* @param g Graphic component
*/
public void paint(Graphics g) {
if (environment != null) {
Sudoku env = (Sudoku) environment;
Board board = env.getBoard();
int n = SudokuLanguage.DIGITS;
int sqrt_n = (int) (Math.sqrt(n) + 0.1);
g.setColor(Color.lightGray);
Font font = g.getFont();
g.setFont(new Font(font.getName(), font.getStyle(), 20));
for (int i = 0; i < n; i++) {
int ci = getCanvasValue(i);
if (i % sqrt_n == 0) {
g.drawLine(ci, DRAW_AREA_SIZE + MARGIN, ci, MARGIN);
g.drawLine(DRAW_AREA_SIZE + MARGIN, ci, MARGIN, ci);
}
for (int j = 0; j < n; j++) {
int cj = getCanvasValue(j);
int value = board.get(i, j);
if (value > 0) {
g.setColor(Color.black);
g.drawString("" + value, cj + CELL_SIZE / 5, ci + CELL_SIZE);
g.setColor(Color.lightGray);
}
}
}
g.drawLine(DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, MARGIN);
g.drawLine(DRAW_AREA_SIZE + MARGIN, DRAW_AREA_SIZE + MARGIN, MARGIN, DRAW_AREA_SIZE + MARGIN);
}
}
public ArrayList<Point> validMove(Point p) {
ArrayList<Point> validMoves = new ArrayList<Point>();
Piece piece = b.get(p);
for (int i = 1; i <= 8; i++) {
for (int j = 1; j <= 8; j++) {
Piece p2 = b.get(new Point(i, j));
if ((p2 == null && piece.pieceMovement(p, new Point(i, j))
|| (validTake(p, new Point(i, j))))
&& !isKingInCheck()
&& checkIfPathIsClear(p, new Point(i, j))) {
validMoves.add(new Point(i, j));
// System.out.println(p + " " + i + " " + j );
}
}
}
return validMoves;
}
public void run() {
for (Behavior bee : io.getBehaviors()) {
// Getting Pieces
if (bee.getPiece() != null) {
placePiece(bee.getStartPoint(), bee.getPiece());
System.out.println(bee.toString());
} else if (isWhitesTurn == b.get(bee.getStartPoint()).getColor()) {
// make into methods
// Taking pieces
if (this.b.get(bee.getEndPoint()) != null) {
if (takePiece(bee.getStartPoint(), bee.getEndPoint())) {
System.out.println(bee.toString());
} else {
System.err.println("Cannot take " + bee.toString());
}
pawnPromotion(bee.getEndPoint());
}
// castling
else if (bee.getP3() != null && bee.getP4() != null) {
if (castling(bee.getStartPoint(), bee.getEndPoint(), bee.getP3(), bee.getP4())) {
System.out.println(bee.toString());
} else {
System.err.println("Cannot move " + bee.toString());
}
}
// moving pieces
else if (this.b.get(bee.getEndPoint()) == null) {
if (movePiece(bee.getStartPoint(), bee.getEndPoint())) {
System.out.println(bee.toString());
} else {
System.err.println("Cannot move " + bee.toString());
}
pawnPromotion(bee.getEndPoint());
}
isWhitesTurn = !isWhitesTurn;
if (checkForCheckMate() && isWhitesTurn) {
System.out.println("Checkmate. Black wins!");
} else if (checkForCheckMate() && !isWhitesTurn) {
System.out.println("Checkmate. White wins!");
} else if (checkForCheckMate() && !isKingInCheck()) {
System.out.println("StaleMate.");
} else if (isKingInCheck()) {
System.out.println("The King is in check");
}
} else {
if (isWhitesTurn) {
System.out.println("Its not Black's turn!");
} else if (!isWhitesTurn) {
System.out.println("Its not White's turn!");
}
}
cd.displayBoard();
}
}