package com.baidu.czy; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.util.Arrays; import java.util.Random; import javax.swing.*; public class ComponentListener extends KeyAdapter implements ActionListener { private GameStart UI;// 界面对象 private int Numbers[][];// 存放数据的数组 private Random rand = new Random(); private int BackUp[][] = new int[4][4];//用于备份数组，供回退时使用 private int BackUp2[][] = new int[4][4];//用于备份数组，供起死回生时使用 public JLabel lb; //分数标签 int score = 0; int tempscore, tempscore2;//记录回退的分数值 public JButton bt, about, back; public JCheckBox isSoundBox; //是否胜利,true:胜利，false：失败 private boolean isWin = false; //是否复活，true：使用复活，false:不使用复活 private boolean relive = false; //是否可以回退，true：不可回退，false：可以回退 (是否已经进行过一次回退了) private boolean hasBack = false; //是否播放音乐，true:播放音效，false：不播放音效 private boolean isSound = true; //事件 private ActionEvent e; public ComponentListener(GameStart UI, int[][] Numbers, JLabel lb, JButton bt, JButton about, JButton back, JCheckBox isSoundBox) { this.UI = UI; this.Numbers = Numbers; this.lb = lb; this.bt = bt; this.about = about; this.back = back; this.isSoundBox = isSoundBox; } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == bt ) { //游戏开始 isWin = false; //各个小格赋初值0 for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) Numbers[i][j] = 0; //游戏开始，分数为0 score = 0; lb.setText("分数：" + score); //生成4个0-3之间的随机数 int r1 = rand.nextInt(4); int r2 = rand.nextInt(4); int c1 = rand.nextInt(4); int c2 = rand.nextInt(4); //由r1,c1;r2,c2组成两个初始值，所以初始值的坐标不能重复 while (r1 == r2 && c1 == c2) { r2 = rand.nextInt(4); c2 = rand.nextInt(4); } // 生成初始数字（2或者4） int value1 = rand.nextInt(2) * 2 + 2; int value2 = rand.nextInt(2) * 2 + 2; // 把数字存进对应的位置 Numbers[r1][c1] = value1; Numbers[r2][c2] = value2; //数字更改，重新绘制图形，为此组件创建图形上下文 UI.paint(UI.getGraphics()); } else if (e.getSource() == about) { //点击了关于标签 JOptionPane.showMessageDialog(UI, "游戏规则： " + "1、开始时棋盘内随机出现两个数字，出现的数字仅可能为2或4 " + "2、玩家可以选择上下左右四个方向，若棋盘内的数字出现位移或合并，视为有效移动 " + "3、玩家选择的方向上若有相同的数字则合并，每次有效移动可以同时合并，但不可以连续合并 " + "4、合并所得的所有新生成数字相加即为该步的有效得分 " + "5、玩家选择的方向行或列前方有空格则出现位移 " + "6、每有效移动一步，棋盘的空位(无数字处)随机出现一个数字(依然可能为2或4) " + "7、棋盘被数字填满，无法进行有效移动，判负，游戏结束 " + "8、棋盘上出现2048，判胜，游戏结束。 " ); } else if (e.getSource() == back && hasBack == false) { System.out.println("回退"); //点击了回退一步标签，而且只能回退一次，只有再执行一次上下左右操作才可以再次回退 hasBack = true; //判断本次回退是回退上一步，还是复活，回退上上步 if (relive == false) { //替换上一步的分数 score = tempscore; lb.setText("分数：" + score); for (int i = 0; i < BackUp.length; i++) { Numbers[i] = Arrays.copyOf(BackUp[i], BackUp[i].length); } } else { //选择了起死回生 score = tempscore2; lb.setText("分数：" + score); for (int i = 0; i < BackUp2.length; i++) { Numbers[i] = Arrays.copyOf(BackUp2[i], BackUp2[i].length); } //再给一次复活的机会 relive = false; } //重新绘制 UI.paint(UI.getGraphics()); } else if (e.getSource().equals(isSoundBox)) { //是否选中静音复选框 if (isSoundBox.isSelected()) { isSound = false; } else { isSound = true; } } } // 键盘监听，监听游戏焦点的←，↑，→，↓;方向键键值：左：37上：38右：39下：40 public void keyPressed(KeyEvent event) { int Counter = 0;// 记录数字有效移动位数，判断是否移动了 int NumCounter = 0;// 记录当前有数字的小方格数量，判断是否已满 int NumNearCounter = 0;// 记录相邻格子数字相同的对数 hasBack = false; //每次进行真正的移位合并操作之前，记录前一步 //记录上上步 if (BackUp != null || BackUp.length != 0) { tempscore2 = tempscore;// 先把分数备份好 // 下面的for循环调用java.util.Arrays.copyOf()方法复制数组，实现备份 for (int i = 0; i < BackUp.length; i++) { BackUp2[i] = Arrays.copyOf(BackUp[i], BackUp[i].length); } } //记录上步 tempscore = score;// 先把分数备份好 // 下面的for循环调用java.util.Arrays.copyOf()方法复制数组，实现备份 for (int i = 0; i < Numbers.length; i++) { BackUp[i] = Arrays.copyOf(Numbers[i], Numbers[i].length); } if (isWin == false) { switch (event.getKeyCode()) { case 37: // 向左移动 /* （1）在移动的过程中，判断与其相邻的格子，如果相邻的格子为空，则移动，并将当前的格子清0 （2）移动后，若格子相邻并且数值相等，则求和并且清0 */ if (isSound == true) { new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\move.wav").start();// 播放移位音乐 } //经过这个循环，把每行有值的格子，都被搬到最左边了，同一行右侧有值的格子，覆盖左侧值为0的格子 for (int h = 0; h < 4; h++) for (int l = 0; l < 4; l++) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; //per相当于是相邻位置 int pre = l - 1; while (pre >= 0 && Numbers[h][pre] == 0) { Numbers[h][pre] = temp; //移动后清0 Numbers[h][pre + 1] = 0; pre--; Counter++; } } //表盘当前左侧相邻相等的值会相加，造成左边值为【和】，相邻右边值为【0】 for (int h = 0; h < 4; h++) for (int l = 0; l < 4; l++) if (l + 1 < 4 && (Numbers[h][l] == Numbers[h][l + 1]) //相邻两列数值相加，并要求两列不同时为0 && (Numbers[h][l] != 0 || Numbers[h][l + 1] != 0)) { if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\merge.wav").start(); //数值合并 Numbers[h][l] = Numbers[h][l] + Numbers[h][l + 1]; Numbers[h][l + 1] = 0; Counter++; score += Numbers[h][l]; if (Numbers[h][l] == 2048) { isWin = true; } } //经过这个循环，把每行有值的格子，都被搬到最左边了，同一行右侧有值的格子，覆盖左侧值为0的格子 for (int h = 0; h < 4; h++) for (int l = 0; l < 4; l++) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = l - 1; while (pre >= 0 && Numbers[h][pre] == 0) { Numbers[h][pre] = temp; Numbers[h][pre + 1] = 0; pre--; Counter++; } } break; case 39:// 向右移动 if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\move.wav").start(); for (int h = 3; h >= 0; h--) for (int l = 3; l >= 0; l--) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = l + 1; while (pre <= 3 && Numbers[h][pre] == 0) { Numbers[h][pre] = temp; Numbers[h][pre - 1] = 0; pre++; Counter++; } } for (int h = 3; h >= 0; h--) for (int l = 3; l >= 0; l--) if (l + 1 < 4 && (Numbers[h][l] == Numbers[h][l + 1]) && (Numbers[h][l] != 0 || Numbers[h][l + 1] != 0)) { if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\merge.wav").start(); Numbers[h][l + 1] = Numbers[h][l] + Numbers[h][l + 1]; Numbers[h][l] = 0; Counter++; score += Numbers[h][l + 1]; if (Numbers[h][l + 1] == 2048) { isWin = true; } } for (int h = 3; h >= 0; h--) for (int l = 3; l >= 0; l--) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = l + 1; while (pre <= 3 && Numbers[h][pre] == 0) { Numbers[h][pre] = temp; Numbers[h][pre - 1] = 0; pre++; Counter++; } } break; case 38: // 向上移动 if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\move.wav").start(); for (int l = 0; l < 4; l++) for (int h = 0; h < 4; h++) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = h - 1; while (pre >= 0 && Numbers[pre][l] == 0) { Numbers[pre][l] = temp; Numbers[pre + 1][l] = 0; pre--; Counter++; } } for (int l = 0; l < 4; l++) for (int h = 0; h < 4; h++) if (h + 1 < 4 && (Numbers[h][l] == Numbers[h + 1][l]) && (Numbers[h][l] != 0 || Numbers[h + 1][l] != 0)) { if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\merge.wav").start(); Numbers[h][l] = Numbers[h][l] + Numbers[h + 1][l]; Numbers[h + 1][l] = 0; Counter++; score += Numbers[h][l]; if (Numbers[h][l] == 2048) { isWin = true; } } for (int l = 0; l < 4; l++) for (int h = 0; h < 4; h++) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = h - 1; while (pre >= 0 && Numbers[pre][l] == 0) { Numbers[pre][l] = temp; Numbers[pre + 1][l] = 0; pre--; Counter++; } } break; case 40: // 向下移动 if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\move.wav").start(); for (int l = 3; l >= 0; l--) for (int h = 3; h >= 0; h--) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = h + 1; while (pre <= 3 && Numbers[pre][l] == 0) { Numbers[pre][l] = temp; Numbers[pre - 1][l] = 0; pre++; Counter++; } } for (int l = 3; l >= 0; l--) for (int h = 3; h >= 0; h--) if (h + 1 < 4 && (Numbers[h][l] == Numbers[h + 1][l]) && (Numbers[h][l] != 0 || Numbers[h + 1][l] != 0)) { if (isSound == true) new PlaySound("E:\JavaProject\HandleGame2048(2)\src\main\resources\res\merge.wav").start(); Numbers[h + 1][l] = Numbers[h][l] + Numbers[h + 1][l]; Numbers[h][l] = 0; Counter++; score += Numbers[h + 1][l]; if (Numbers[h + 1][l] == 2048) { isWin = true; } } for (int l = 3; l >= 0; l--) for (int h = 3; h >= 0; h--) if (Numbers[h][l] != 0) { int temp = Numbers[h][l]; int pre = h + 1; while (pre <= 3 && Numbers[pre][l] == 0) { Numbers[pre][l] = temp; Numbers[pre - 1][l] = 0; pre++; Counter++; } } break; } //移位，合并，移位完成后，判断是否有可重复值 for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { //判断相邻左右位置有没有重复值 if (Numbers[i][j] == Numbers[i][j + 1] && Numbers[i][j] != 0) { NumNearCounter++; } //判断相邻上下位置有没有重复值 if (Numbers[i][j] == Numbers[i + 1][j] && Numbers[i][j] != 0) { NumNearCounter++; } if (Numbers[3][j] == Numbers[3][j + 1]//第四行只需要判断是否与右边有重复 && Numbers[3][j] != 0) { NumNearCounter++; } if (Numbers[i][3] == Numbers[i + 1][3]//第四列只需要判断与下边是否有重复 && Numbers[i][3] != 0) { NumNearCounter++; } } } //判断不为0的空余格子数 for (int i = 0; i < 4; i++) { for (int j = 0; j < 4; j++) { if (Numbers[i][j] != 0) { NumCounter++; } } } System.out.println(Counter); //有效移位数>0，则补充一个新的2或者4 if (Counter > 0) { lb.setText("分数：" + score); //随机产生0~3的数字，选中位置 int r1 = rand.nextInt(4); int c1 = rand.nextInt(4); while (Numbers[r1][c1] != 0) { r1 = rand.nextInt(4); c1 = rand.nextInt(4); } //产生2或4 int value1 = rand.nextInt(2) * 2 + 2; Numbers[r1][c1] = value1; } if (isWin == true) { UI.paint(UI.getGraphics()); JOptionPane.showMessageDialog(UI, "恭喜你赢了! 您的最终得分为：" + score); } if (NumCounter == 16 && NumNearCounter == 0) { //移动后满格并且没有可合并的小格子，游戏结束relive:复活一次 relive = true; JOptionPane.showMessageDialog(UI, "没地方可以合并咯!!" + " 很遗憾，您输了~>_<~" + " 悄悄告诉你，游戏有起死回生功能哦，不信你“退一步”试试？" + " 说不定能扭转乾坤捏 （^_~）"); } UI.paint(UI.getGraphics()); } } }
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