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@ -25,6 +25,9 @@ public class Board {
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// The current board coordinate that's being dragged
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BoardCoordinate dragging = null;
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ArrayList<BoardCoordinate> legalMoves = null;
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Move lastMove;
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Piece captured;
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public boolean isGameOver;
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public Board() {
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// Initialize DrawingPanel
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@ -99,15 +102,32 @@ public class Board {
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set(coordinate.x, coordinate.y, piece);
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}
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public Piece move(int fromX, int fromY, int toX, int toY) {
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Piece captured = get(toX, toY);
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public void move(int fromX, int fromY, int toX, int toY) {
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lastMove = new Move(new BoardCoordinate(fromX, fromY), new BoardCoordinate(toX, toY));
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captured = get(toX, toY);
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set(toX, toY, get(fromX, fromY));
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set(fromX, fromY, null);
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return captured;
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}
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public Piece move(BoardCoordinate from, BoardCoordinate to) {
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return move(from.x, from.y, to.x, to.y);
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public void move(BoardCoordinate from, BoardCoordinate to) {
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move(from.x, from.y, to.x, to.y);
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}
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public void move(Move move) {
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move(move.from, move.to);
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try {
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Thread.sleep(500);
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} catch(InterruptedException e) {
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e.printStackTrace();
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}
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draw();
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}
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public void undoMove() {
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if (lastMove == null) return;
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set(lastMove.from, get(lastMove.to));
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set(lastMove.to, captured);
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lastMove = null;
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}
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// Mouse down event handler
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@ -117,7 +137,7 @@ public class Board {
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BoardCoordinate coordinate = new ScreenCoordinate(x, y).toBoard();
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// If there's no piece there, return
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Piece piece = get(coordinate);
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if (piece == null) return;
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if (piece == null || piece.black) return;
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// Set currently dragging piece to that coordinate
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dragging = coordinate;
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legalMoves = piece.getLegalMoves(coordinate, this);
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@ -132,6 +152,9 @@ public class Board {
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if (dragging != null && !newCoordinate.equals(dragging)) {
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// dragging is BoardCoordinate of piece being dragged
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Piece piece = get(dragging);
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move(dragging, newCoordinate);
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move(ChessAI.findBestMove(this));
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/*
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ArrayList<BoardCoordinate> legalMoves = piece.getLegalMoves(dragging, this);
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for (BoardCoordinate legalMove : legalMoves) {
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if (newCoordinate.equals(legalMove)) {
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@ -148,10 +171,15 @@ public class Board {
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break;
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}
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}
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if (inCheck && oppositeKing.getLegalMoves(oppositeKingPosition, this).size() == 0) System.out.println("Checkmate");
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if (inCheck && oppositeKing.getLegalMoves(oppositeKingPosition, this).size() == 0)
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isGameOver = true;
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move(ChessAI.findBestMove(this));
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break;
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}
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}
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*/
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}
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// Clear dragging
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dragging = null;
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@ -187,10 +215,12 @@ public class Board {
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graphics.setColor(new Color(0, 128, 0, 128));
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for (BoardCoordinate legalMove : legalMoves)
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drawRect(legalMove);
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BoardCoordinate hovering = mousePosition.toBoard();
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if (legalMoves.contains(hovering)) {
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graphics.setColor(get(hovering) == null ? new Color(0, 0, 255, 128) : new Color(255, 0, 0, 128));
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drawRect(mousePosition.toBoard());
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if (mousePosition != null) {
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BoardCoordinate hovering = mousePosition.toBoard();
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if (legalMoves.contains(hovering)) {
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graphics.setColor(get(hovering) == null ? new Color(0, 0, 255, 128) : new Color(255, 0, 0, 128));
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drawRect(mousePosition.toBoard());
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}
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}
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}
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@ -237,4 +267,15 @@ public class Board {
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public void forEachPiece(PieceActionCoordinate tileAction) {
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forEachPiece((x, y, piece) -> tileAction.forEachTile(new BoardCoordinate(x, y), get(x, y)));
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}
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public ArrayList<Move> getAllLegalMoves() {
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ArrayList<Move> allLegalMoves = new ArrayList<>();
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forEachPiece((from, piece) -> {
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ArrayList<BoardCoordinate> legalTiles = piece.getLegalMoves(from, this);
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for (BoardCoordinate to : legalTiles) {
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allLegalMoves.add(new Move(from, to));
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}
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});
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return allLegalMoves;
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}
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}
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