public void userAsBlack() {
ChessEngine.flipBoard();
for (int i = 0; i < 8; i++) {
System.arraycopy(ChessEngine.chessboard[i], 0, chessboard[i], 0, 8);
}
ChessEngine.flipBoard();
System.out.println(ChessEngine.sortMoves2(ChessEngine.possibleMoves()));
ChessEngine.makeMove(ChessEngine.printMove());
ChessEngine.flipBoard();
if (ChessEngine.possibleMoves().length() == 0) {
System.out.println("Defeat");
}
}
public void movePieceEvent() {
// check for castle remove castling
if (Math.abs((mouseX - border) / squareSize - (newMouseX - border) / squareSize) == 2
&& "A"
.equals(
ChessEngine.chessboard[(newMouseY - border) / squareSize][
(newMouseX - border) / squareSize])) {
// (castling):
if ((mouseX - border) / squareSize == 3) { // black
ChessEngine.castleBlackLong = false;
ChessEngine.castleBlackShort = false;
} else { // white
ChessEngine.castleWhiteLong = false;
ChessEngine.castleWhiteShort = false;
}
}
for (int i = 0; i < 8; i++) {
System.arraycopy(ChessEngine.chessboard[i], 0, chessboard[i], 0, 8);
}
ChessEngine.flipBoard();
ChessEngine.rating(1, 0);
System.out.println(ChessEngine.sortMoves2(ChessEngine.possibleMoves()));
if (ChessEngine.possibleMoves().length() == 0) {
System.out.println("You win!");
ChessEngine.flipBoard();
} else {
ChessEngine.makeMove(ChessEngine.printMove());
ChessEngine.flipBoard();
if (ChessEngine.possibleMoves().length() == 0) {
if (ChessEngine.kingSafe()) {
System.out.println("Stalemate");
} else {
System.out.println("Defeat!");
}
}
}
repaint();
}
@Override
public void mouseReleased(MouseEvent e) {
newMouseX = e.getX();
newMouseY = e.getY();
mouseDrag[(mouseY - border) / squareSize][(mouseX - border) / squareSize][0] = 0;
mouseDrag[(mouseY - border) / squareSize][(mouseX - border) / squareSize][1] = 0;
repaint();
if (e.getButton() == MouseEvent.BUTTON1) { // if left mouse click
String dragMove;
if ((newMouseY - border) / squareSize == 0
&& (mouseY - border) / squareSize == 1
&& "P"
.equals(
ChessEngine.chessboard[(mouseY - border) / squareSize][
(mouseX - border) / squareSize])) {
// pawn promotion
dragMove =
""
+ (mouseX - border) / squareSize
+ (newMouseX - border) / squareSize
+ ChessEngine.chessboard[(newMouseY - border) / squareSize][
(newMouseX - border) / squareSize]
+ "QP"; // assumes queen promotion
} else if (Math.abs((mouseX - border) / squareSize - (newMouseX - border) / squareSize) == 2
&& "A"
.equals(
ChessEngine.chessboard[(mouseY - border) / squareSize][
(mouseX - border) / squareSize])) {
// castling
if ((mouseX - border) / squareSize > (newMouseX - border) / squareSize) { // left
dragMove =
""
+ (mouseX - border) / squareSize
+ "0"
+ (newMouseX - border) / squareSize
+ ((newMouseX - border) / squareSize + 1)
+ "C";
} else { // right
dragMove =
""
+ (mouseX - border) / squareSize
+ "7"
+ (newMouseX - border) / squareSize
+ ((newMouseX - border) / squareSize - 1)
+ "C";
}
} else {
dragMove =
""
+ (mouseY - border) / squareSize
+ (mouseX - border) / squareSize
+ (newMouseY - border) / squareSize
+ (newMouseX - border) / squareSize
+ ChessEngine.chessboard[(newMouseY - border) / squareSize][
(newMouseX - border) / squareSize];
}
String userMovePosibilities = ChessEngine.possibleMoves();
if (userMovePosibilities.replace(dragMove, "").length() < userMovePosibilities.length()) {
ChessEngine.makeMove(dragMove);
ChessEngine.history += dragMove;
movePieceEvent();
}
}
}