基于java2048小游戏简单程序设计
上学期学习了一些java设计方法和模式，做个2048练练手再熟悉一下。
项目主要分为element、game、manager三个包。
element：与游戏有关的元素类，包括基本矩形RectObject和用来表示坐标的Point类。
game：与游戏运行主体有关的，包括三个界面的Jpanel，JFrame，以及整个游戏线程控制GameRunThread和游戏主类。
manager：元素管理类，管理所有element，单例模式。
if(MyJFrame.change==true){
ElementManager.getElementManager().getARandomRect();
//saveTheStep();
}package game;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Toolkit;
import javax.swing.JPanel;
public class GameoverJPanel extends JPanel {
public GameoverJPanel(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);
}
}
package game;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JPanel;
import element.RectObject;
import manager.ElementManager;
public class GameRunThread extends Thread{
@Override
public void run() {
// TODO Auto-generated method stub
while(true) {
rectMove();
System.out.println("ok");
isReset();
isGoBack();
isGameOver();
isGameSuccess();
}
}
public void isGameSuccess() {
if(MyJFrame.successFlag)
gameSuccess();
}
public void isReset() {
if(MyJFrame.isReset) {
refreshBest();
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
ElementManager.getElementManager().rectObj[i][j]=null;
}
}
MyJFrame.scoreLabel.setText("0");
MyJFrame.isReset = false;
ElementManager.getElementManager().getARandomRect();
ElementManager.getElementManager().getARandomRect();
}
}
public void isGoBack() {
if(MyJFrame.isGoBack)
{
// 第0位存分数，后面存数字
ArrayList arr=(ArrayList)MyJFrame.saveList.getLast();
MyJFrame.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){
ElementManager.getElementManager().rectObj[i][j]=new RectObject();
ElementManager.getElementManager().rectObj[i][j].value=num;
}else{
ElementManager.getElementManager().rectObj[i][j]=null;
}
}
}
MyJFrame.saveList.removeLast();
MyJFrame.isGoBack = false;
}
}
public void isGameOver() {
if( !aMoveAble()){
gameOver();
return;
}
}
public void gameOver() {
MyJFrame.gameOverFlag=true;
JPanel jl=new GameoverJPanel(MyJFrame.myp.getWidth(),MyJFrame.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){
MyJFrame.scoreLabel.setText("0");
MyJFrame.myp.remove(jl);
clearList(ElementManager.getElementManager().rectObj);
MyJFrame.myp.validate();
ElementManager.getElementManager().getARandomRect();
ElementManager.getElementManager().getARandomRect();
MyJFrame.myp.repaint();
MyJFrame.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);
MyJFrame.myp.add(jl);
jl.validate();
}
public void gameSuccess() {
JPanel jl=new GameSuccessJPanel(MyJFrame.myp.getWidth(),MyJFrame.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){
MyJFrame.myp.remove(jl);
MyJFrame.myp.validate();
}
});
jb2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
refreshBest();
System.exit(0);
}
});
jl.add(jb1);
jl.add(jb2);
MyJFrame.myp.add(jl);
jl.validate();
}
public boolean aMoveAble() {
MyJFrame.CheckMode=true;
MyJFrame.change=false;
moveLeft(true);
moveRight(true);
moveDown(true);
moveUp(true);
MyJFrame.CheckMode=false;
if(MyJFrame.change==true){
return true;
}else{
return false;
}
}
private void rectMove() {
// TODO Auto-generated method stub
if(MyJFrame.isUp)
{
moveUp(true);
if(MyJFrame.change==true){
ElementManager.getElementManager().getARandomRect();
//saveTheStep();
}
MyJFrame.isUp = false;
}
else if(MyJFrame.isDown) {
moveDown(true);
if(MyJFrame.change==true){
ElementManager.getElementManager().getARandomRect();
//saveTheStep();
}
MyJFrame.isDown = false;
}
else if(MyJFrame.isLeft) {
moveLeft(true);
if(MyJFrame.change==true){
ElementManager.getElementManager().getARandomRect();
//saveTheStep();
}
MyJFrame.isLeft = false;
}
else if(MyJFrame.isRight) {
moveRight(true);
if(MyJFrame.change==true){
ElementManager.getElementManager().getARandomRect();
//saveTheStep();
}
MyJFrame.isRight = false;
}
}
public void moveRight(boolean flag) {
// TODO Auto-generated method stub
clearList(ElementManager.getElementManager().rectNext);
for(int i=0;i<4;i++){
int k=3;
for(int j=3;j>-1;j--){
if(ElementManager.getElementManager().rectObj[i][j]!=null){
ElementManager.getElementManager().rectNext[i][k--]=new RectObject(ElementManager.getElementManager().rectObj[i][j]);
}
}
}
for(int i=0;i<4 && flag;i++){
for(int j=3;j>0;j--){
if(ElementManager.getElementManager().rectNext[i][j]!=null && ElementManager.getElementManager().rectNext[i][j-1]!=null && ElementManager.getElementManager().rectNext[i][j].value==ElementManager.getElementManager().rectNext[i][j-1].value){
ElementManager.getElementManager().rectNext[i][j].value*=2;
if(MyJFrame.CheckMode==false){
int sum=Integer.parseInt(MyJFrame.scoreLabel.getText());
sum+=ElementManager.getElementManager().rectNext[i][j].value;
MyJFrame.scoreLabel.setText(""+sum);
}
ElementManager.getElementManager().rectNext[i][j-1]=null;
j--;
}
}
}
if(isChange()){
if(MyJFrame.CheckMode==false){
copySet(ElementManager.getElementManager().rectObj,ElementManager.getElementManager().rectNext);
moveRight(false);
}
MyJFrame.change=true;
}else{
}
}
public void moveLeft(boolean flag) {
// TODO Auto-generated method stub
clearList(ElementManager.getElementManager().rectNext);
for(int i=0;i<4;i++){
int k=0;
for(int j=0;j<4;j++){
if(ElementManager.getElementManager().rectObj[i][j]!=null){
ElementManager.getElementManager().rectNext[i][k++]=new RectObject(ElementManager.getElementManager().rectObj[i][j]);
}
}
}
for(int i=0;i<4 && flag;i++){
for(int j=0;j<3;j++){
if(ElementManager.getElementManager().rectNext[i][j]!=null && ElementManager.getElementManager().rectNext[i][j+1]!=null && ElementManager.getElementManager().rectNext[i][j].value==ElementManager.getElementManager().rectNext[i][j+1].value){
ElementManager.getElementManager().rectNext[i][j].value*=2;
if(MyJFrame.CheckMode==false){
int sum=Integer.parseInt(MyJFrame.scoreLabel.getText());
sum+=ElementManager.getElementManager().rectNext[i][j].value;
MyJFrame.scoreLabel.setText(""+sum);
}
ElementManager.getElementManager().rectNext[i][j+1]=null;
j++;
}
}
}
if(isChange()){
if(MyJFrame.CheckMode==false){
copySet(ElementManager.getElementManager().rectObj,ElementManager.getElementManager().rectNext);
moveLeft(false);
}
MyJFrame.change=true;
}else{
}
}
public void moveDown(boolean flag) {
// TODO Auto-generated method stub
clearList(ElementManager.getElementManager().rectNext);
for(int j=0;j<4;j++){
int k=3;
for(int i=3;i>-1;i--){
if(ElementManager.getElementManager().rectObj[i][j]!=null){
ElementManager.getElementManager().rectNext[k--][j]=new RectObject(ElementManager.getElementManager().rectObj[i][j]);
}
}
}
for(int j=0;j<4 && flag;j++){
for(int i=3;i>0;i--){
if(ElementManager.getElementManager().rectNext[i][j]!=null && ElementManager.getElementManager().rectNext[i-1][j]!=null && ElementManager.getElementManager().rectNext[i][j].value==ElementManager.getElementManager().rectNext[i-1][j].value){
ElementManager.getElementManager().rectNext[i][j].value*=2;
if(MyJFrame.CheckMode==false){
int sum=Integer.parseInt(MyJFrame.scoreLabel.getText());
sum+=ElementManager.getElementManager().rectNext[i][j].value;
MyJFrame.scoreLabel.setText(""+sum);
}
ElementManager.getElementManager().rectNext[i-1][j]=null;
i--;
}
}
}
if(isChange()){
if(MyJFrame.CheckMode==false){
copySet(ElementManager.getElementManager().rectObj,ElementManager.getElementManager().rectNext);
moveDown(false);
}
MyJFrame.change=true;
}else{
}
}
public void moveUp(boolean flag) {
// TODO Auto-generated method stub
clearList(ElementManager.getElementManager().rectNext);
for(int j=0;j<4;j++){
int k=0;
for(int i=0;i<4;i++){
if(ElementManager.getElementManager().rectObj[i][j]!=null){
ElementManager.getElementManager().rectNext[k++][j]=new RectObject(ElementManager.getElementManager().rectObj[i][j]);
}
}
}
for(int j=0;j<4 && flag;j++){
for(int i=0;i<3;i++){
if(ElementManager.getElementManager().rectNext[i][j]!=null && ElementManager.getElementManager().rectNext[i+1][j]!=null && ElementManager.getElementManager().rectNext[i][j].value==ElementManager.getElementManager().rectNext[i+1][j].value){
ElementManager.getElementManager().rectNext[i][j].value*=2;
if(MyJFrame.CheckMode==false){
int sum=Integer.parseInt(MyJFrame.scoreLabel.getText());
sum+=ElementManager.getElementManager().rectNext[i][j].value;
MyJFrame.scoreLabel.setText(""+sum);
}
ElementManager.getElementManager().rectNext[i+1][j]=null;
i++;
}
}
}
if(isChange()){
if(MyJFrame.CheckMode==false){
copySet(ElementManager.getElementManager().rectObj,ElementManager.getElementManager().rectNext);
moveUp(false);
}
MyJFrame.change=true;
}else{
}
}
public boolean isChange() {
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
if(ElementManager.getElementManager().rectObj[i][j]!=null && ElementManager.getElementManager().rectNext[i][j]!=null && !ElementManager.getElementManager().rectObj[i][j].equals(ElementManager.getElementManager().rectNext[i][j])){
return true;
}
if(ElementManager.getElementManager().rectObj[i][j]!=null && ElementManager.getElementManager().rectNext[i][j]==null){
return true;
}
if(ElementManager.getElementManager().rectObj[i][j]==null && ElementManager.getElementManager().rectNext[i][j]!=null){
return true;
}
}
}
return false;
}
public void copySet(RectObject[][] dst, RectObject[][] src) {
// TODO Auto-generated method stub
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
dst[i][j]=src[i][j];
}
}
}
public void clearList(RectObject[][] s){
for(int i=0;ibest){
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(MyJFrame.scoreLabel.getText());
file.writeInt(score);
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
if(ElementManager.getElementManager().rectObj[i][j]!=null){
file.writeInt(ElementManager.getElementManager().rectObj[i][j].value);
}else{
file.writeInt(0);
}
}
}
}catch(FileNotFoundException e){
e.printStackTrace();
}catch(IOException e){
e.printStackTrace();
}
}
}
package game;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Toolkit;
import javax.swing.JPanel;
public class GameSuccessJPanel extends JPanel {
public GameSuccessJPanel(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);
}
}
package game;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Toolkit;
import javax.swing.JPanel;
import manager.ElementManager;
public class My2048JPanel extends JPanel implements Runnable{
public static final int WID=150,SP=10;
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){
//background
super.paintComponent(g);
for(int i=0;ipackage game;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import element.RectObject;
import manager.ElementManager;
public class MyJFrame extends JFrame {
public static final int UP=0,DOWN=1,LEFT=2,RIGHT=3;
public static boolean isLeft = false;
public static boolean isRight = false;
public static boolean isUp = false;
public static boolean isDown = false;
public static boolean isReset = false;
public static boolean isGoBack = false;
public static final int WID=150,SP=10;
public int scores=0;
public static JLabel scoreLabel;
public static boolean change,CheckMode=false,gameOverFlag=false,successFlag=false;
public int[] label={2,4,8,16,32,64,128};
public 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)
};
public static Map cmap=new HashMap();
public static My2048JPanel myp;
public static LinkedList saveList=new LinkedList();
private JButton goBackButton;
public MyJFrame() {
//saveTheStep();
for(int i=0;i<7;i++){
cmap.put(label[i], clo[i]);
}
init();
}
KeyListener kl=new KeyListener(){
public void keyPressed(KeyEvent e){
saveTheStep();
goBackButton.setVisible(true);
if(gameOverFlag==true){
return;
}
int key=e.getKeyCode();
switch(key){
case KeyEvent.VK_UP:
change=false;
isUp = true;
break;
case KeyEvent.VK_DOWN:
change=false;
isDown = true;
break;
case KeyEvent.VK_LEFT:
change=false;
isLeft = true;
break;
case KeyEvent.VK_RIGHT:
change=false;
isRight = true;
break;
}
//saveTheStep();
}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
};
public class goBackListener implements ActionListener{
public void actionPerformed(ActionEvent e){
if(saveList.size()==0){
goBackButton.setVisible(false);
return;
}
isGoBack = true;
repaint();
}
}
public class resetListener implements ActionListener{
public void actionPerformed(ActionEvent e){
isReset = true;
repaint();
}
}
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(ElementManager.getElementManager().rectObj[i][j]!=null){
arr.add(ElementManager.getElementManager().rectObj[i][j].value);
}else{
arr.add(0);
}
}
}
saveList.addLast(arr);
}else{
saveList.removeFirst();
saveTheStep();
}
}
public void init() {
// TODO Auto-generated method stub
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 My2048JPanel();
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);
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(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){
ElementManager.getElementManager().rectObj[i][j]=new RectObject();
ElementManager.getElementManager().rectObj[i][j].value=num;
}
}
}
file.close();
}catch(FileNotFoundException e){
e.printStackTrace();
}catch(IOException e){
e.printStackTrace();
}
}else{
ElementManager.getElementManager().getARandomRect();
ElementManager.getElementManager().getARandomRect();
}
}
public void gameShow() {
this.setVisible(true);
new Thread((Runnable)myp).start();
new GameRunThread().start();
}
}
package game;
public class TzfeStart {
public static MyJFrame jf;
public static void main(String[] args) {
jf = new MyJFrame();
jf.gameShow();
}
}
package manager;
import java.util.ArrayList;
import java.util.Random;
import element.Point;
import element.RectObject;
//单例模式
public class ElementManager {
private static ElementManager elementManager = null;
public static RectObject rectObj[][] = null;
public RectObject rectNext[][] = null;
private ElementManager() {
rectObj = new RectObject[4][4];
rectNext = new RectObject[4][4];
}
public static synchronized ElementManager getElementManager() {
if(elementManager==null) {
elementManager = new ElementManager();
}
return elementManager;
}
public void getARandomRect() {
ArrayList list = new ArrayList();
for(int i = 0;i<4;i++) {
for(int j = 0;j<4;j++)
{
if(rectObj[i][j]==null)
{
list.add(new Point(i,j));
//System.out.println(list.get(0));
}
}
}
Random rand=new Random();
int index=rand.nextInt(list.size());
Point loc=(Point) list.get(index);
index=rand.nextInt(2);
ElementManager.getElementManager().rectObj[loc.x][loc.y]=new RectObject();
if(index==1){
ElementManager.getElementManager().rectObj[loc.x][loc.y].value=4;
}else{
ElementManager.getElementManager().rectObj[loc.x][loc.y].value=2;
}
}
}
package element;
public class Point {
public int x;
public int y;
public Point(int x, int y) {
this.x = x;
this.y = y;
}
}
package element;
public class RectObject {
public int value;
public RectObject() {
value = 0;
}
public RectObject(RectObject obj) {
this.value = obj.value;
}
@Override
public boolean equals(Object iobj) {
// TODO Auto-generated method stub
RectObject obj = (RectObject)iobj;
if(this.value == obj.value)
{
return true;
}
return false;
}
}
这种游戏可能不适合用这种方式编程，还要继续学习。