package tan;

import java.awt.*;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.*; import javax.swing.Timer;

public class Tetris extends JFrame {

    public Tetris() {         Tetrisblok a = new Tetrisblok();         addKeyListener(a);         add(a);     }

    public static void main(String[] args) {

        Tetris frame = new Tetris();         JMenuBar menu = new JMenuBar();         frame.setJMenuBar(menu);         JMenu game = new JMenu("游戏");         JMenuItem newgame = game.add("新游戏");         JMenuItem pause = game.add("暂停");         JMenuItem goon = game.add("继续");         JMenuItem exit = game.add("退出");         JMenu help = new JMenu("帮助");         JMenuItem about = help.add("关于");         menu.add(game);         menu.add(help);         frame.setLocationRelativeTo(null);         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);         frame.setSize(220, 275);         frame.setTitle("测试版");         // frame.setUndecorated(true);         frame.setVisible(true);         frame.setResizable(false);

    }

}

// 创建一个俄罗斯方块类

class Tetrisblok extends JPanel implements KeyListener {

    // blockType 代表方块类型

    // turnState代表方块状态     private int blockType;     private int score = 0;

    private int turnState;

    private int x;

    private int y;

    private int i = 0;

    int j = 0;

    int flag = 0;     // 定义已经放下的方块x=0-11,y=0-21;     int[][] map = new int[13][23];

    // 方块的形状 第一组代表方块类型有S、Z、L、J、I、O、T 7种 第二组 代表旋转几次 第三四组为 方块矩阵

    private final int shapes[][][] = new int[][][] {     // i             { { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 },                     { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 } },             // s             { { 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 } },             // z             { { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 } },             // j             { { 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },                     { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },             // o             { { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },             // l             { { 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },                     { 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },             // t             { { 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },                     { 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },                     { 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0 } } };

    // 生成新方块的方法

    public void newblock() {         blockType = (int) (Math.random() * 1000) % 7;         turnState = (int) (Math.random() * 1000) % 4;         x = 4;         y = 0;         if (gameover(x, y) == 1) {

            newmap();

            drawwall();             score = 0;             JOptionPane.showMessageDialog(null, "GAME OVER");         }     }

    // 画围墙

    public void drawwall() {         for (i = 0; i < 12; i++) {             map[i][21] = 2;         }         for (j = 0; j < 22; j++) {             map[11][j] = 2;             map[0][j] = 2;         }     }

    // 初始化地图

    public void newmap() {         for (i = 0; i < 12; i++) {             for (j = 0; j < 22; j++) {                 map[i][j] = 0;             }         }     }

    // 初始化构造方法

    Tetrisblok() {         newblock();         newmap();         drawwall();         Timer timer = new Timer(1000, new TimerListener());         timer.start();     }

    // 旋转的方法

    public void turn() {         int tempturnState = turnState;         turnState = (turnState + 1) % 4;         if (blow(x, y, blockType, turnState) == 1) {         }         if (blow(x, y, blockType, turnState) == 0) {             turnState = tempturnState;         }         repaint();     }

    // 左移的方法

    public void left() {         if (blow(x - 1, y, blockType, turnState) == 1) {             x = x - 1;         }         ;         repaint();     }

    // 右移的方法

    public void right() {         if (blow(x + 1, y, blockType, turnState) == 1) {             x = x + 1;         }         ;         repaint();     }

    // 下落的方法

    public void down() {         if (blow(x, y + 1, blockType, turnState) == 1) {             y = y + 1;             delline();         }         ;         if (blow(x, y + 1, blockType, turnState) == 0) {             add(x, y, blockType, turnState);             newblock();             delline();         }         ;         repaint();     }

    // 是否合法的方法

    public int blow(int x, int y, int blockType, int turnState) {         for (int a = 0; a < 4; a++) {             for (int b = 0; b < 4; b++) {                 if (((shapes[blockType][turnState][a * 4 + b] == 1) && (map[x                         + b + 1][y + a] == 1))                         || ((shapes[blockType][turnState][a * 4 + b] == 1) && (map[x                                 + b + 1][y + a] == 2))) {

                    return 0;

                }             }         }         return 1;     }

    // 消行的方法

    public void delline() {         int c = 0;         for (int b = 0; b < 22; b++) {             for (int a = 0; a < 12; a++) {                 if (map[a][b] == 1) {

                    c = c + 1;

                    if (c == 10) {                         score += 10;                         for (int d = b; d > 0; d--) {                             for (int e = 0; e < 11; e++) {                                 map[e][d] = map[e][d - 1];

                            }

                        }                     }                 }             }             c = 0;         }     }

    // 判断你挂的方法

    public int gameover(int x, int y) {         if (blow(x, y, blockType, turnState) == 0) {             return 1;         }         return 0;     }

    // 把当前添加map

    public void add(int x, int y, int blockType, int turnState) {         int j = 0;         for (int a = 0; a < 4; a++) {             for (int b = 0; b < 4; b++) {                 if (map[x + b + 1][y + a] == 0) {                     map[x + b + 1][y + a] = shapes[blockType][turnState][j];                 }                 ;                 j++;             }         }     }

    // 画方块的的方法

    public void paintComponent(Graphics g) {         super.paintComponent(g);         // 画当前方块         for (j = 0; j < 16; j++) {             if (shapes[blockType][turnState][j] == 1) {                 g.fillRect((j % 4 + x + 1) * 10, (j / 4 + y) * 10, 10, 10);             }         }         // 画已经固定的方块         for (j = 0; j < 22; j++) {             for (i = 0; i < 12; i++) {                 if (map[i][j] == 1) {                     g.fillRect(i * 10, j * 10, 10, 10);

                }

                if (map[i][j] == 2) {                     g.drawRect(i * 10, j * 10, 10, 10);

                }

            }         }         g.drawString("score=" + score, 125, 10);         g.drawString("抵制不良游戏，", 125, 50);         g.drawString("拒绝盗版游戏。", 125, 70);         g.drawString("注意自我保护，", 125, 90);         g.drawString("谨防受骗上当。", 125, 110);         g.drawString("适度游戏益脑，", 125, 130);         g.drawString("沉迷游戏伤身。", 125, 150);         g.drawString("合理安排时间，", 125, 170);         g.drawString("享受健康生活。", 125, 190);     }

    // 键盘监听

    public void keyPressed(KeyEvent e) {         switch (e.getKeyCode()) {         case KeyEvent.VK_DOWN:             down();             break;         case KeyEvent.VK_UP:             turn();             break;         case KeyEvent.VK_RIGHT:             right();             break;         case KeyEvent.VK_LEFT:             left();             break;         }

    }

    // 无用

    public void keyReleased(KeyEvent e) {     }

    // 无用

    public void keyTyped(KeyEvent e) {     }

    // 定时器监听

    class TimerListener implements ActionListener {         public void actionPerformed(ActionEvent e) {

            repaint();

            if (blow(x, y + 1, blockType, turnState) == 1) {                 y = y + 1;                 delline();             }             ;             if (blow(x, y + 1, blockType, turnState) == 0) {

                if (flag == 1) {

                    add(x, y, blockType, turnState);                     delline();                     newblock();                     flag = 0;                 }                 flag = 1;             }             ;         }     } }