sd.rar_j2me

import javax.microedition.lcdui.game.GameCanvas; import javax.microedition.lcdui.*; import javax.microedition.lcdui.game.*; public class MyGameCanvas extends GameCanvas implements Runnable, CommandListener{ private static MyGameCanvas instance; Graphics g; boolean running; Thread t; Command startcmd,exitcmd,restartcmd; int keystate; boolean keyevent; boolean key_up,key_down,key_left,key_right,key_fire; private boolean allowinput; public int screenwidth; public int screenheight; boolean gameover; //define your variable here long gametimeoffset; long gametime; int bombnum; int []bombaward; int bombawardtop; GameObject plane; int planedirection; TiledLayer background; Bullets bullets; GameObject explosion; GameObject bomb; Image bomb_ico; Font fontbig,fontsmall; //define your variable end protected MyGameCanvas() { super(true); g=getGraphics(); running=false; t=null; addCommand(startcmd=new Command("start",Command.OK,1)); addCommand(exitcmd=new Command("exit",Command.EXIT,1)); setCommandListener(this); screenwidth=getWidth(); screenheight=getHeight(); //put your init once code here Image img=ImageTools.getImage("/MyPlaneFrames.png"); plane=new GameObject(img,24,24); planedirection=0; img=ImageTools.getImage("/back_water.png"); int backcolumns=screenwidth/img.getWidth()+1; int backrows=screenheight/img.getHeight()+1; background=new TiledLayer(backcolumns,backrows,img,img.getWidth(),img.getHeight()); int x,y; for (int i = 0; i < backcolumns*backrows; i++) { x=i%backcolumns; y=i/backcolumns; System.out.println("x="+x+" y="+y); background.setCell(x,y,1); } img=ImageTools.getImage("/bullet.png"); bullets=new Bullets(img,img.getWidth(),img.getHeight(),20,screenwidth,screenheight); img=ImageTools.getImage("/explosion.png"); explosion=new GameObject(img,32,32); bomb_ico=ImageTools.getImage("/bomb_icon.png"); img=ImageTools.getImage("/b_number.png"); fontbig=new Font(g,img,10,15,new char[]{'0','1','2','3','4','5','6','7','8','9'}); img=ImageTools.getImage("/s_number.png"); fontsmall=new Font(g,img,5,7,new char[]{'0','1','2','3','4','5','6','7','8','9'}); img=ImageTools.getImage("/bomb.png"); bomb=new GameObject(img,65,65); bombaward=new int[]{0,1,1,1,1,1}; bombawardtop=bombaward.length-1; //put your init once code end } //private void InitInstance(){ } synchronized public static MyGameCanvas getInstance() { if (instance == null) { instance = new MyGameCanvas(); System.out.println("new MyGameCanvas"); } return instance; } public void run(){ System.out.println("MyGameCanvas run start"); long st=0,et=0,diff=0; int rate=50;//16-17 frame per second while(running){ st=System.currentTimeMillis(); //put your code here //input(); //gameLogic(); //your code end gameinput(); gameMain(); et=System.currentTimeMillis(); diff=et-st; if(diff<rate){ //System.out.println("Sleep "+(rate-diff)); try { Thread.sleep(rate - diff); } catch (InterruptedException ex) {} }else{ //System.out.println("rush , and the frame using time: "+diff); } } System.out.println("MyGameCanvas run end"); } public void start(){ if(!running){ running=true; t=new Thread(this); t.start(); } } private void gameMain() { g.setColor(0,0,0);//clear screen g.fillRect(0,0,getWidth(),getHeight()); background.paint(g);//draw background //g.setColor(255,255,255); //g.drawString("hello",1,1,g.TOP|g.LEFT); if(bomb.alive){ bomb.moveto(plane.sprite.getX()-20,plane.sprite.getY()-20); bomb.paint(g); bomb.update(); bullets.killbullets(plane.sprite,32); } bullets.paint(g); plane.paint(g); bullets.refreshBullets(plane.sprite,!gameover && !bomb.alive); g.drawImage(bomb_ico,0,screenheight-1,g.BOTTOM|g.LEFT); fontbig.drawString(String.valueOf(gametime),screenwidth/2-15,10); fontsmall.drawString(String.valueOf(bombnum),bomb_ico.getWidth(),screenheight-fontsmall.height); if (gameover) { explosion.paint(g); explosion.update(); if(!explosion.alive){ plane.alive=false; g.setColor(255,255,255); g.drawString(StringTools.timeOpinion(gametime),5,22,g.LEFT|g.TOP); g.drawString("2008 帝国崛起",2,100,g.LEFT|g.TOP); g.drawString("E-mail : iori4497@126.com",2,115,g.LEFT|g.TOP); g.drawString("simulate from:",2,130,g.LEFT|g.TOP); g.drawString("****************** ",2,145,g.LEFT|g.TOP); g.drawString("hello everyone, just funny.",2,160,g.LEFT|g.TOP); } }else{ gametime=(System.currentTimeMillis()-gametimeoffset)/1000; int awardindex=(int)gametime/20; if(awardindex>bombawardtop) awardindex=bombawardtop; if(bombaward[awardindex]!=0){ bombnum+=bombaward[awardindex]; bombaward[awardindex]=0; } if (keyevent) { if(key_up){ plane.move(0, -3); plane.sprite.setFrame(0); } if(key_down){ plane.move(0, 3); plane.sprite.setFrame(0); } if(key_left){ plane.move( -3, 0); plane.sprite.setFrame(1); } if(key_right){ plane.move(3, 0); plane.sprite.setFrame(2); } if(key_fire){ if(!bomb.alive && bombnum>0){//bomb isn't actived and there's enough bomb . bomb.reset(); bomb.alive=true; bombnum--; } } } else { plane.sprite.setFrame(0); } } flushGraphics(); } private void gameInit() { gameover=false; gametime=0; gametimeoffset=System.currentTimeMillis(); allowinput=true; key_up=key_down=key_left=key_right=key_fire=false; plane.moveto((screenwidth-plane.sprite.getWidth())/2, (screenheight-plane.sprite.getHeight())/2); bullets.initBullets(); plane.reset(); explosion.reset(); explosion.lifetime=3; bomb.reset(); bomb.lifetime=6; bomb.alive=false; bombnum=3; for (int i = 0; i < bombaward.length; i++) { bombaward[i]=1; } bombaward[0]=0; printInfo(); } public void stop(){ if(running){ running = false; } } private void printInfo(){ System.out.println("MyGameCanvas printInfo() start:"); System.out.println("width : "+ getWidth()+ " Height: "+getHeight()); java.lang.Runtime rt=java.lang.Runtime.getRuntime() ; System.out.println("total memory: "+rt.totalMemory()); System.out.println("free memory: "+rt.freeMemory()); System.out.println("MyGameCanvas printInfo() end:"); } public void commandAction(Command c, Displayable d) { String cmdstr=c.getLabel(); if(cmdstr.equals("start")){ gameInit(); start(); removeCommand(startcmd); addCommand(restartcmd=new Command("restart",Command.OK,1)); }else if(cmdstr.equals("restart")){ stop(); while(t.isAlive()); gameInit(); start(); }else if(cmdstr.equals("exit")){ stop(); Navigate.midlet.destroyApp(false); Navigate.midlet.notifyDestroyed(); } } private void gameinput() { if(allowinput){ keystate=getKeyStates(); keyevent=false; if((keystate & UP_PRESSED)!=0){//up key_up=true;keyevent=true; //deal your unstop job code here planedirection=1; //System.out.println("up press");