java编写的2048程序

import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.io.*;import java.util.*;import javax.swing.border.*;public class Test extends JApplet{private static final int UP=0,DOWN=1,LEFT=2,RIGHT=3;private static final int WID=150,SP=10;private int scores=0;private static JLabel scoreLabel;private boolean change,CheckMode=false,gameOverFlag=false,successFlag=false;private int[] label={2,4,8,16,32,64,128};private Color[] clo={new Color(200,200,200),new Color(228,228,160),new Color(214,163,92),new Color(234,124,72),new Color(240,84,77),new Color(255,68,53),new Color(200,200,64)};private Map cmap=new HashMap();public static RectObject[][] rset=new RectObject[4][4];public RectObject[][] list=new RectObject[4][4];private My2048Panel myp;private LinkedList saveList=new LinkedList();private JButton goBackButton;KeyListener kl=new KeyListener(){public void keyPressed(KeyEvent e){saveTheStep();goBackButton.setVisible(true);if(gameOverFlag==true){return;}if(!aDirAble()){gameOver();}int key=e.getKeyCode();switch(key){case KeyEvent.VK_UP:change=false;moveUp(true);if(change==true){getARandomRect();//saveTheStep();}break;case KeyEvent.VK_DOWN:change=false;moveDown(true);if(change==true){getARandomRect();//saveTheStep();}break;case KeyEvent.VK_LEFT:change=false;moveLeft(true);if(change==true){getARandomRect();//saveTheStep();}break;case KeyEvent.VK_RIGHT:change=false;moveRight(true);if(change==true){getARandomRect();//saveTheStep();}break;}//saveTheStep();}public void keyTyped(KeyEvent e){}public void keyReleased(KeyEvent e){}};class RectObject{private int value;public RectObject(){value=0;}public RectObject(RectObject obj){value=obj.value;}public boolean equals(Object inobj){RectObject obj=(RectObject)inobj;if(obj.value==value){return true;}return false;}} class Point{int x;int y;public Point(int i,int j){x=i;y=j;}}class My2048Panel extends JPanel{private int[] xindex={SP,2*SP+WID,3*SP+2*WID,4*SP+3*WID};private int[] yindex={SP,2*SP+WID,3*SP+2*WID,4*SP+3*WID};public void paintComponent(Graphics g){//backgroundsuper.paintComponent(g);for(int i=0;i<xindex.length;i++){for(int j=0;j<yindex.length;j++){g.setColor(Color.WHITE);g.drawRoundRect(xindex[i], yindex[j], WID, WID, WID/5, WID/5);g.setColor(new Color(197,183,129));g.fillRoundRect(xindex[i], yindex[j], WID, WID, WID/5, WID/5);}}//paint rectanglefor(int i=0;i<4;i++){for(int j=0;j<4;j++){if(rset[i][j]!=null){g.setColor(Color.WHITE);g.drawRoundRect(yindex[j], xindex[i], WID, WID, WID/5, WID/5);if(rset[i][j].value<128){g.setColor((Color)cmap.get(rset[i][j].value));}else{g.setColor((Color)cmap.get(128));}g.fillRoundRect(yindex[j], xindex[i], WID, WID, WID/5, WID/5);g.setColor(Color.BLACK);Font font=new Font("TimesRoman",Font.BOLD,50);g.setFont(font);FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font);int len=fm.stringWidth(""+rset[i][j].value);int hg=fm.getHeight();g.drawString(""+rset[i][j].value, yindex[j]+WID/2-len/2, xindex[i]+WID/2+hg/4);if(rset[i][j].value==2048 && successFlag==false){successFlag=true;gameSuccess();}}}}}} class GameOverPane extends JPanel{public GameOverPane(int w,int h){setSize(w,h);//setOpaque(false);}public void paintComponent(Graphics g){super.paintComponent(g);Font font=new Font("TimesRoman",Font.BOLD,80);g.setFont(font);FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font);int width=fm.stringWidth("Game Over");int height=fm.getHeight();g.setColor(new Color(255,0,0));g.drawString("Game Over!", getWidth()/2-width/2, getHeight()/2-height/2);}}class SuccessPane extends JPanel{public SuccessPane(int w,int h){setSize(w,h);//setOpaque(false);}public void paintComponent(Graphics g){super.paintComponent(g);Font font=new Font("TimesRoman",Font.BOLD,80);g.setFont(font);FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font);int width=fm.stringWidth("Success!");int height=fm.getHeight();g.setColor(new Color(255,0,0));g.drawString("Success!", getWidth()/2-width/2, getHeight()/2-height/2);}}class LOGO extends JPanel{public LOGO(int w ,int h){setSize(w,h);}public void paintComponent(Graphics g){super.paintComponent(g);Font font=new Font("TimesRoman",Font.BOLD,60);g.setFont(font);FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font);int width=fm.stringWidth("2048");int height=fm.getHeight();g.setColor(new Color(255,0,0));g.drawString("2048", 20, getHeight()/2+20);}}public class goBackListener implements ActionListener{public void actionPerformed(ActionEvent e){if(saveList.size()==0){goBackButton.setVisible(false);return;}ArrayList arr=(ArrayList)saveList.getLast();scoreLabel.setText(""+arr.get(0));for(int i=0;i<4;i++){for(int j=0;j<4;j++){int num=(int)arr.get(4*i+j+1);if(num!=0){rset[i][j]=new RectObject();rset[i][j].value=num;}else{rset[i][j]=null;}}}saveList.removeLast();repaint();}}public class resetListener implements ActionListener{public void actionPerformed(ActionEvent e){refreshBest();for(int i=0;i<4;i++){for(int j=0;j<4;j++){rset[i][j]=null;}}scoreLabel.setText("0");repaint();getARandomRect();getARandomRect();}}//the applet initpublic void init(){Container cp=getContentPane();cp.setLayout(null);cp.setFocusable(true);cp.addKeyListener(kl);Font font=new Font("TimesNewman",Font.BOLD,30);JLabel sl=new JLabel();sl.setLayout(new GridLayout(2,1));JLabel sllb=new JLabel("Scores");sllb.setFont(font);scoreLabel=new JLabel("0");scoreLabel.setFont(font);sl.add(sllb);sl.add(scoreLabel);int best=0;try{File file=new File("BestRecord");if(file.exists()){RandomAccessFile f=new RandomAccessFile(file,"rw");best=f.readInt();f.close();}}catch(FileNotFoundException e){best=0;e.printStackTrace();}catch(IOException e){best=0;e.printStackTrace();}JLabel bsl=new JLabel();bsl.setLayout(new GridLayout(2,1));JLabel jl=new JLabel("Best");jl.setFont(font);JLabel jl1=new JLabel(""+best);jl1.setFont(font);bsl.add(jl);bsl.add(jl1);myp=new My2048Panel();LOGO logo=new LOGO(0,0);goBackButton=new JButton("UNDO");goBackButton.setFont(font);goBackButton.addActionListener(new goBackListener());goBackButton.addKeyListener(kl);JButton jb=new JButton("RESET");jb.setFont(font);jb.addActionListener(new resetListener());jb.addKeyListener(kl);sl.setBounds(500,20,200,80);bsl.setBounds(300,20,200,80);logo.setBounds(0, 0, 600, 100);myp.setBounds(0,90,700,700);goBackButton.setBounds(700,250,150,60);jb.setBounds(700,450,150,60);cp.add(sl);cp.add(bsl);cp.add(logo);cp.add(myp);cp.add(goBackButton);cp.add(jb);File f=new File("LASTRECORD");if(f.exists()){try{RandomAccessFile file=new RandomAccessFile(f,"rw");int num=file.readInt();scoreLabel.setText(""+num);for(int i=0;i<4;i++){for(int j=0;j<4;j++){num=file.readInt();if(num!=0){rset[i][j]=new RectObject();rset[i][j].value=num;}}}file.close();}catch(FileNotFoundException e){e.printStackTrace();}catch(IOException e){e.printStackTrace();}}else{getARandomRect();getARandomRect();}}public Test(){//saveTheStep();for(int i=0;i<7;i++){cmap.put(label[i], clo[i]);}}//moveLeftpublic void moveLeft(boolean flag){clearList(list);for(int i=0;i<4;i++){int k=0;for(int j=0;j<4;j++){if(rset[i][j]!=null){list[i][k++]=new RectObject(rset[i][j]);}}}for(int i=0;i<4 && flag;i++){for(int j=0;j<3;j++){if(list[i][j]!=null && list[i][j+1]!=null && list[i][j].value==list[i][j+1].value){list[i][j].value*=2;if(CheckMode==false){int sum=Integer.parseInt(scoreLabel.getText());sum+=list[i][j].value;scoreLabel.setText(""+sum);}list[i][j+1]=null;j++;}}}if(isChange()){if(CheckMode==false){copySet(rset,list);repaint();moveLeft(false);}change=true;}else{repaint();}}//moveRightpublic void moveRight(boolean flag){clearList(list);for(int i=0;i<4;i++){int k=3;for(int j=3;j>-1;j--){if(rset[i][j]!=null){list[i][k--]=new RectObject(rset[i][j]);}}}for(int i=0;i<4 && flag;i++){for(int j=3;j>0;j--){if(list[i][j]!=null && list[i][j-1]!=null && list[i][j].value==list[i][j-1].value){list[i][j].value*=2;if(CheckMode==false){int sum=Integer.parseInt(scoreLabel.getText());sum+=list[i][j].value;scoreLabel.setText(""+sum);}list[i][j-1]=null;j--;}}}if(isChange()){if(CheckMode==false){copySet(rset,list);repaint();moveRight(false);}change=true;}else{repaint();}}//moveuppublic void moveUp(boolean flag){clearList(list);for(int j=0;j<4;j++){int k=0;for(int i=0;i<4;i++){if(rset[i][j]!=null){list[k++][j]=new RectObject(rset[i][j]);}}}for(int j=0;j<4 && flag;j++){for(int i=0;i<3;i++){if(list[i][j]!=null && list[i+1][j]!=null && list[i][j].value==list[i+1][j].value){list[i][j].value*=2;if(CheckMode==false){int sum=Integer.parseInt(scoreLabel.getText());sum+=list[i][j].value;scoreLabel.setText(""+sum);}list[i+1][j]=null;i++;}}}if(isChange()){if(CheckMode==false){copySet(rset,list);repaint();moveUp(false);}change=true;}else{repaint();}}//movedownpublic void moveDown(boolean flag){clearList(list);for(int j=0;j<4;j++){int k=3;for(int i=3;i>-1;i--){if(rset[i][j]!=null){list[k--][j]=new RectObject(rset[i][j]);}}}for(int j=0;j<4 && flag;j++){for(int i=3;i>0;i--){if(list[i][j]!=null && list[i-1][j]!=null && list[i][j].value==list[i-1][j].value){list[i][j].value*=2;if(CheckMode==false){int sum=Integer.parseInt(scoreLabel.getText());sum+=list[i][j].value;scoreLabel.setText(""+sum);}list[i-1][j]=null;i--;}}}if(isChange()){if(CheckMode==false){copySet(rset,list);repaint();moveDown(false);}change=true;}else{repaint();}}//other functionsprivate void copySet(RectObject[][] dst, RectObject[][] src){for(int i=0;i<4;i++){for(int j=0;j<4;j++){dst[i][j]=src[i][j];}}}//detect whether rset is different from list or not private boolean isChange(){for(int i=0;i<4;i++){for(int j=0;j<4;j++){if(rset[i][j]!=null && list[i][j]!=null && !rset[i][j].equals(list[i][j])){return true;}if(rset[i][j]!=null && list[i][j]==null){return true;}if(rset[i][j]==null && list[i][j]!=null){return true;}}}return false;}private void clearList(RectObject[][] s){for(int i=0;i<s.length;i++){for(int j=0;j<s[i].length;j++){s[i][j]=null;}}}//get a random rectanglepublic void getARandomRect(){ArrayList list=new ArrayList();for(int i=0;i<4;i++){for(int j=0;j<4;j++){if(rset[i][j]==null){list.add(new Point(i,j));}}}if(list.size()==0 && !aDirAble()){gameOver();return;}Random rand=new Random();int index=rand.nextInt(list.size());Point loc=(Point)list.get(index);index=rand.nextInt(2);rset[loc.x][loc.y]=new RectObject();if(index==1){rset[loc.x][loc.y].value=4;}else{rset[loc.x][loc.y].value=2;}}//detect whether there are other steps or notpublic boolean aDirAble(){CheckMode=true;change=false;moveLeft(true);moveRight(true);moveDown(true);moveUp(true);CheckMode=false;if(change==true){return true;}else{return false;}}public void gameOver(){gameOverFlag=true;JPanel jl=new GameOverPane(myp.getWidth(),myp.getHeight());jl.setBounds(0, 0, 700, 700);JButton jb1=new JButton("Again");Font font=new Font("TimesRoman",Font.BOLD,30);jb1.setOpaque(false);jb1.setFont(font);JButton jb2=new JButton("Close");jb2.setSize(jb1.getSize());jb2.setOpaque(false);jb2.setFont(font);jb1.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){scoreLabel.setText("0");myp.remove(jl);clearList(rset);myp.validate();getARandomRect();getARandomRect();repaint();gameOverFlag=false;refreshBest();}});jb2.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){refreshBest();File f=new File("LASTRECORD");if(f.exists()){f.delete();}System.exit(0);}});jl.add(jb1);jl.add(jb2);myp.add(jl);jl.validate();}public void gameSuccess(){JPanel jl=new SuccessPane(myp.getWidth(),myp.getHeight());jl.setOpaque(false);jl.setBounds(0, 0, 700, 700);JButton jb1=new JButton("Continue");Font font=new Font("TimesRoman",Font.BOLD,30);jb1.setOpaque(false);jb1.setFont(font);JButton jb2=new JButton("Close");jb2.setSize(jb1.getSize());jb2.setOpaque(false);jb2.setFont(font);jb1.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){myp.remove(jl);myp.validate();repaint();}});jb2.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){refreshBest();System.exit(0);}});jl.add(jb1);jl.add(jb2);myp.add(jl);jl.validate();}public void saveTheStep(){if(saveList.size()<20){ArrayList arr=new ArrayList();int score=Integer.parseInt(scoreLabel.getText());arr.add(score);for(int i=0;i<4;i++){for(int j=0;j<4;j++){if(rset[i][j]!=null){arr.add(rset[i][j].value);}else{arr.add(0);}}}saveList.addLast(arr);}else{saveList.removeFirst();saveTheStep();}}public static String title(Object o){String t=o.getClass().toString();if(t.indexOf("class")!=-1){t=t.substring(6);}return t;}public static void refreshBest(){try {int best=0;File f=new File("BestRecord");RandomAccessFile file;if(f.exists()){file=new RandomAccessFile(f,"rw");best=file.readInt();file.seek(0);}else{file=new RandomAccessFile(f,"rw");}//System.out.println("The Best score is "+best);int cur=Integer.parseInt(scoreLabel.getText());if(cur>best){file.writeInt(cur);}file.close();} catch (FileNotFoundException e1) {e1.printStackTrace();}catch(IOException e2){e2.printStackTrace();}}public static void saveRecord(){try{RandomAccessFile file=new RandomAccessFile(new File("LASTRECORD"),"rw");int score=Integer.parseInt(scoreLabel.getText());file.writeInt(score);for(int i=0;i<4;i++){for(int j=0;j<4;j++){if(rset[i][j]!=null){file.writeInt(rset[i][j].value);}else{file.writeInt(0);}}}}catch(FileNotFoundException e){e.printStackTrace();}catch(IOException e){e.printStackTrace();}}public static void run(JApplet applet,int width,int height){JFrame frame=new JFrame(title(applet));frame.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){refreshBest();saveRecord();//System.out.println("The score is "+scoreLabel.getText());}});frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.getContentPane().add(applet);frame.setSize(width,height);applet.init();applet.start();frame.setVisible(true);}public static void main(String[] args){run(new Test(), 900, 800);}}