Java实现2048

代码

package Other;import java.awt.*;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.WindowEvent;import java.util.*;import javax.swing.*;@SuppressWarnings("serial")public class Game2048 extends JFrame {    // 移动方向    final public static int MOVE_UP = 0xf37;    final public static int MOVE_DOWN = 0xf36;    final public static int MOVE_LEFT = 0xf35;    final public static int MOVE_RIGHT = 0xf34;    // 游戏状态    final public static int GAME_OVER = 0xf33;    final public static int GAME_CONTINUE = 0xf32;    final public static int GAME_WIN = 0xf31;    // 按钮事件    final public static int BUTTON_NEW_GAME = 0xf30;    final public static int BUTTON_ABOUT = 0xf28;    final public static int BUTTON_EXIT = 0xf27;    /**     * 行     */    private int column;    /**     * 列     */    private int row;    /**     * 游戏状态     */    private int gameState;    /**     * 网格集     */    private HashMap<Point, Cube> viewList = new HashMap<>();    /**     * 计分板     */    private JMenuItem scoreBoard;    /**     * 计步器     */    private JMenuItem arithmometer;    /**     * 计步     */    private int count;    /**     * 新游戏加流程     */    private int gameLv;    /**     * main函数     *      * @param args     */    public static void main(String[] args) {        Game2048 game = new Game2048(400, 500);        game.setTitle("2048");        game.setLocationRelativeTo(null);        game.setVisible(true);        game.newGame();    }    /**     * 构造一个默认大小的界面     */    public Game2048() {        this(400, 500);    }    /**     * 构造一个指定宽高的界面     *      * @param width     *            宽     * @param height     *            高     */    public Game2048(int width, int height) {        column = width / 100;        row = height / 100;        this.setLayout(new GridLayout(row, column));        // 事件监听        enableEvents(AWTEvent.WINDOW_EVENT_MASK);        this.setSize(width, height);        // 利用button 绘制网格        for (int i = 0; i < row; i++) {            for (int j = 0; j < column; j++) {                viewList.put(new Point(i, j), new Cube());                this.add(getView(i, j).getView());            }        }        // 设置按键监听        this.addKeyListener(new MyKeyListener(this));        JMenuBar jmb = new JMenuBar();        JMenu jm = new JMenu("游戏");        JMenuItem item1 = new JMenuItem("新游戏");        item1.addMouseListener(new MyMouseListener(this,                Game2048.BUTTON_NEW_GAME));        JMenuItem item2 = new JMenuItem("退出");        item2.addMouseListener(new MyMouseListener(this, Game2048.BUTTON_EXIT));        jm.add(item1);        jm.add(item2);        JMenu jm2 = new JMenu("关于");        JMenuItem item3 = new JMenuItem("关于");        item3.addMouseListener(new MyMouseListener(this, Game2048.BUTTON_ABOUT));        jm2.add(item3);        scoreBoard = new JMenuItem();        arithmometer = new JMenuItem();        jmb.add(jm);        jmb.add(jm2);        jmb.add(scoreBoard);        jmb.add(arithmometer);        this.setJMenuBar(jmb);    }    /**     * 向上移动     */    public void up() {        for (int x = 1; x < row; x++) {            for (int i = 0; i < column; i++) {                move(Game2048.MOVE_UP, x, i, true);            }        }        createCube();        for (int x = 1; x < row; x++) {            for (int i = 0; i < column; i++) {                move(Game2048.MOVE_UP, x, i, false);            }        }        addCount();    }    /**     * 向下移动     */    public void down() {        for (int x = row - 2; x >= 0; x--) {            for (int y = 0; y < column; y++) {                move(Game2048.MOVE_DOWN, x, y, true);            }        }        createCube();        for (int x = row - 2; x >= 0; x--) {            for (int y = 0; y < column; y++) {                move(Game2048.MOVE_DOWN, x, y, false);            }        }        addCount();    }    /**     * 向左移动     */    public void left() {        for (int y = 1; y < column; y++) {            for (int x = 0; x < row; x++) {                move(Game2048.MOVE_LEFT, x, y, true);            }        }        createCube();        for (int y = 1; y < column; y++) {            for (int x = 0; x < row; x++) {                move(Game2048.MOVE_LEFT, x, y, false);            }        }        addCount();    }    /**     * 向右移动     */    public void right() {        for (int y = column - 2; y >= 0; y--) {            for (int x = 0; x < row; x++) {                move(Game2048.MOVE_RIGHT, x, y, true);            }        }        createCube();        for (int y = column - 2; y >= 0; y--) {            for (int x = 0; x < row; x++) {                move(Game2048.MOVE_RIGHT, x, y, false);            }        }        addCount();    }    /**     * 移动     *      * @param move_way     *            移动方向     * @param x     *            横坐标     * @param y     *            纵坐标     */    private void move(int move_way, int x, int y, boolean isAdd) {        switch (move_way) {        case Game2048.MOVE_DOWN: {            for (; x < row - 1; x++) {                swap(getView(x + 1, y), getView(x, y), isAdd);            }        }            break;        case Game2048.MOVE_LEFT: {            for (; y > 0; y--) {                swap(getView(x, y - 1), getView(x, y), isAdd);            }        }            break;        case Game2048.MOVE_RIGHT: {            for (; y < column - 1; y++) {                swap(getView(x, y + 1), getView(x, y), isAdd);            }        }            break;        case Game2048.MOVE_UP: {            for (; x > 0; x--) {                swap(getView(x - 1, y), getView(x, y), isAdd);            }        }            break;        }    }    /**     * 单向交换实现移动     *      * @param next     *            移动至目标位置     * @param now     *            需要移动的目标     * @param isAdd     *            是否是第一次移动     */    private void swap(Cube next, Cube now, boolean isAdd) {        if (isAdd) {            if (now.getNum() != 0 && next.getNum() == 0) {                next.setText(now.getNum());                now.setText(0);                next.setIsAdded(now.isAdded());                now.setIsAdded(false);            } else if (!now.isAdded() && !next.isAdded()                    && next.getNum() == now.getNum() && now.getNum() != 0) {                next.setText(now.getNum() * 2);                now.setText(0);                next.setIsAdded(true);                now.setIsAdded(false);            }        } else {            if (next.getNum() == 0) {                next.setText(now.getNum());                now.setText(0);            }            now.setIsAdded(false);            next.setIsAdded(false);        }    }    /**     * 获取指定控件     *      * @param x     * @param y     * @return Cube     */    private Cube getView(int x, int y) {        return viewList.get(new Point(x, y));    }    /**     * 生成随机控件 随机位置     */    private void createCube() {        int x;        int y;        do {            x = (int) (Math.random() * 1000 % row);            y = (int) (Math.random() * 1000 % column);        } while (getView(x, y).getNum() != 0);        getView(x, y).setText(Math.random() > 0.5 ? 2 : 4);        isOverGame();    }    /**     * 检测游戏状态     */    private void isOverGame() {        int score = 0;        int state = Game2048.GAME_OVER;        for (int x = 0; x < row; x++) {            for (int y = 0; y < column; y++) {                // 计算得分                score += getView(x, y).getNum();                if (getView(x, y).getNum() == 0) {                    state = Game2048.GAME_CONTINUE;                } else if (getView(x, y).getNum() == 2048 * (gameLv + 1)) {                    state = Game2048.GAME_WIN;                }            }        }        if (state != Game2048.GAME_CONTINUE && state != Game2048.GAME_WIN) {            gameState = Game2048.GAME_OVER;        } else {            gameState = state;        }        scoreBoard.setText("得分:" + score);    }    /**     * 计步     */    private void addCount() {        count++;        arithmometer.setText("计步：" + count);    }    /**     * 获取游戏状态     *      * @return int     */    public int getGameState() {        return gameState;    }    /**     * 初始化游戏数据     */    private void initialise() {        for (int i = 0; i < row; i++) {            for (int j = 0; j < column; j++) {                getView(i, j).setText(0);            }        }        createCube();        createCube();        count = 0;        arithmometer.setText("计步：" + count);        gameLv = 0;        this.setTitle("2048");    }    /**     * 开启新游戏     */    public void newGame() {        if (gameState == Game2048.GAME_CONTINUE) {            int jop = JOptionPane.showConfirmDialog(null, "是否开始新一轮游戏?", "Tips",                    JOptionPane.YES_NO_OPTION);            if (jop == JOptionPane.YES_OPTION) {                initialise();            }        } else {            initialise();        }    }    /**     * 重载窗体事件-控制关闭     */    protected void processWindowEvent(WindowEvent e) {        if (e.getID() == WindowEvent.WINDOW_CLOSING) {            if (getGameState() == Game2048.GAME_CONTINUE) {                int jop = JOptionPane.showConfirmDialog(null, "是否退出游戏?",                        "Tips", JOptionPane.YES_NO_OPTION);                if (jop == JOptionPane.YES_OPTION) {                    super.processWindowEvent(e);                }            } else {                super.processWindowEvent(e);            }        }    }    /**     * 进入下一难度游戏     */    public void nextLv() {        gameLv++;        this.setTitle(2048 * (gameLv + 1) + "");    }    /**     * 关于     */    public void about() {        JOptionPane.showMessageDialog(null, "E-mail:[e-mail]");    }}class Cube {    private int num;    private JButton btn;    private boolean isAdded;    /**     * 构造一个方块     */    public Cube() {        btn = new JButton();        btn.setFont(new Font("微软雅黑", Font.BOLD, 24));        btn.setEnabled(false);        num = 0;        isAdded = false;    }    /**     * 设置文本内容     *      * @param n     *            数值     */    public void setText(int n) {        num = n;        btn.setText(n != 0 ? n + "" : "");    }    /**     * 获取控件     *      * @return JButton     */    public JButton getView() {        return btn;    }    /**     * 获取数值     *      * @return int     */    public int getNum() {        return num;    }    /**     * 是否是相加而成 限当前移动次有效,移动结束后改回默认值-false     *      * @return     */    public boolean isAdded() {        return isAdded;    }    /**     * 修改生成方式     *      * @param b     *            true-相加而成     */    public void setIsAdded(boolean b) {        isAdded = b;    }}class MyKeyListener implements KeyListener {    /*     * 键盘代码 w/87 s/83 a/65 d/68 up/38 down/40 left/37 right/39 f1/112 f2/113     * f3/114     */    final public static int KEY_W = 0xf57;    final public static int KEY_S = 0xf53;    final public static int KEY_A = 0xf41;    final public static int KEY_D = 0xf44;    final public static int KEY_UP = 0xf26;    final public static int KEY_DOWN = 0xf28;    final public static int KEY_LEFT = 0xf25;    final public static int KEY_RIGHT = 0xf27;    private Game2048 game;    /**     * 构造一个键盘监听器     *      * @param game     *            主界面     */    public MyKeyListener(Game2048 game) {        this.game = game;    }    @Override    public void keyPressed(KeyEvent e) {        int keyCode = e.getKeyCode() + 0xf00;        switch (game.getGameState()) {        case Game2048.GAME_CONTINUE: {            switch (keyCode) {            case MyKeyListener.KEY_W:            case MyKeyListener.KEY_UP: {                game.up();            }                break;            case MyKeyListener.KEY_S:            case MyKeyListener.KEY_DOWN: {                game.down();            }                break;            case MyKeyListener.KEY_A:            case MyKeyListener.KEY_LEFT: {                game.left();            }                break;            case MyKeyListener.KEY_D:            case MyKeyListener.KEY_RIGHT: {                game.right();            }                break;            }        }            break;        case Game2048.GAME_OVER: {            int jop = JOptionPane                    .showConfirmDialog(null, "很遗憾，你没能达成本次目标，是否开启新游戏?", "游戏结束",                            JOptionPane.YES_NO_OPTION);            if (jop == JOptionPane.YES_OPTION) {                game.newGame();            }        }            break;        case Game2048.GAME_WIN: {            int jop = JOptionPane.showConfirmDialog(null,                    "你已完成本次目标:" + game.getTitle() + ",是否进入更高难度游戏?", "恭喜晋级",                    JOptionPane.YES_NO_OPTION);            if (jop == JOptionPane.YES_OPTION) {                game.nextLv();            }        }            break;        }    }    @Override    public void keyReleased(KeyEvent e) {    }    @Override    public void keyTyped(KeyEvent e) {    }}class MyMouseListener implements MouseListener {    private Game2048 game;    private int btnEvn;    public MyMouseListener(Game2048 game, int btnEvn) {        this.game = game;        this.btnEvn = btnEvn;    }    @Override    public void mouseClicked(MouseEvent e) {    }    @Override    public void mouseEntered(MouseEvent e) {    }    @Override    public void mouseExited(MouseEvent e) {    }    @Override    public void mousePressed(MouseEvent e) {    }    @Override    public void mouseReleased(MouseEvent e) {        switch (btnEvn) {        case Game2048.BUTTON_NEW_GAME: {            game.newGame();        }            break;        case Game2048.BUTTON_ABOUT: {            game.about();        }            break;        case Game2048.BUTTON_EXIT: {            game.processWindowEvent(new WindowEvent(game,                    WindowEvent.WINDOW_CLOSING));        }            break;        }    }}