netbattlecanvas.java

j2me的坦克大战 元代码 单机版和蓝牙联网版

                
                //(1)对本玩家操作(操作本机,发送对机)
                int keyStates = this.getKeyStates();
                if(conn != null){conn.sentMessage(String.valueOf(keyStates));input1(keyStates);}
                //(2)对方玩家操作(接收对机,操作本机)
                int keyStatesNet;
                if(conn != null){
                    keyStatesNet = conn.getMessage();//接收信息
                    if(keyStatesNet!= -1){//收到信息
                        input0(keyStatesNet);
                        conn.setMessage(-1);//清除按键信息
                    }
                }
            }
            render(g);
            try {
                 Thread.sleep(10);
            } catch (InterruptedException ex) {
                 ex.printStackTrace();
            }
        }
    }
    private void input0(int keyStates){//不断检测按键
        //System.out.println("sent:"+keyStates);
        if ((keyStates & UP_PRESSED) != 0) {
            userSprite[0].setNextDirection(Canvas.UP);
            userSprite[0].setIsPressed(true);
        }
        else if ((keyStates & RIGHT_PRESSED) != 0){
            userSprite[0].setNextDirection(Canvas.RIGHT);
            userSprite[0].setIsPressed(true);
        }
        else if ((keyStates & LEFT_PRESSED) != 0) {
            userSprite[0].setNextDirection(Canvas.LEFT);
            userSprite[0].setIsPressed(true);
        }
        else if ((keyStates & DOWN_PRESSED) != 0) {
            userSprite[0].setNextDirection(Canvas.DOWN);
            userSprite[0].setIsPressed(true);
        }
       if ((keyStates & FIRE_PRESSED) !=0) {
           userSprite[0].fire();
        }
    
    }
    private void input1(int keyStates){//不断检测按键
        //接受按键信息
       // int keyStates=0;
       // if(conn != null)keyStates = conn.getMessage();
        //System.out.println("get:"+keyStates);
        if ((keyStates & UP_PRESSED) != 0) {
            userSprite[1].setNextDirection(Canvas.UP);
            userSprite[1].setIsPressed(true);
        }
        else if ((keyStates & RIGHT_PRESSED) != 0){
            userSprite[1].setNextDirection(Canvas.RIGHT);
            userSprite[1].setIsPressed(true);
        }
        else if ((keyStates & LEFT_PRESSED) != 0) {
            userSprite[1].setNextDirection(Canvas.LEFT);
            userSprite[1].setIsPressed(true);
        }
        else if ((keyStates & DOWN_PRESSED) != 0) {
            userSprite[1].setNextDirection(Canvas.DOWN);
            userSprite[1].setIsPressed(true);
        }
       if ((keyStates & FIRE_PRESSED) !=0) {
           userSprite[1].fire();
        }
        //清除按键信息
       //if(conn!=null)conn.setMessage(0);
    }
    
    private void render(Graphics g){
        layerManager.paint(g, 0, 0);
        //layerManager
        //this.serviceRepaints();
        flushGraphics(0, 0, this.getWidth(), this.getHeight());  
    }
    
    
    public NetBulletSprite[] getEnemyBulletSprites() {
        return enemyBulletSprite;
    }
    public NetEnemySprite[] getEnemySprites(){
        return this.enemySprite;
    }
    public NetBulletSprite[] getUserBulletSprites(){
        return this.userBulletSprite;
    }
    public NetUserSprite[] getUserSprites() {
        return userSprite;
    }
    public NetPetSprite[] getPetSprites() {
        return petSprite;
    }
    
    
    public void commandAction(Command c, Displayable d) {
        if(c == pauseCommand){
            this.removeCommand(c);
            this.addCommand(resumeCommand);
            stop();
            pressStop = true;
        }else if(c == resumeCommand){
            this.removeCommand(c);
            this.addCommand(pauseCommand);
            resume();
            pressStop = false;
        }else if(c == exitCommand){
            this.gameOver();
            //退出到游戏进入界面
            this.gameMidlet.gameMenuCanvasBack();     
        }else if(c == listCommand){
            this.stop();
            this.gameMidlet.option.gaming = true; 
            this.gameMidlet.gameOption();
        }else if(c == nextCommand){
            this.gameMidlet.chooseLevel = 2;
            this.gameMidlet.newGame();
        }
    }
    public void gameOver(){
            gameover = true;
            NetBulletSprite.gameover = true;
            NetUserSprite.gameover = true;
            NetEnemySprite.gameover = true;
            NetKingSprite.gameover = true;
            NetTentSprite.gameover = true;
            NetTalismanSprite.gameover = true;
            NetPetSprite.gameover = true;
             Sound.instance.stopBack();
    }
    
    public void win(){
        if(lose)return;//已经lose
        Sound.instance.stopBack();
        Sound.instance.winPlayer();
        win = true;
        NetUserSprite.setInterrupt(true);
        Image winImage = null;
        try{
             winImage = Image.createImage("/tank/win.png");              
        }catch(IOException e){
            e.printStackTrace();
        }
        Sprite winSprite = new Sprite(winImage); 
        winSprite.defineReferencePixel(winImage.getWidth()/2,winImage.getHeight()/2);
        winSprite.setRefPixelPosition(this.getWidth()/2, this.getHeight()/2);
        winSprite.setVisible(true);
        layerManager.insert(winSprite,0);
        //处理按键
        this.removeCommand(pauseCommand);
        this.removeCommand(resumeCommand);
        this.removeCommand(listCommand);
        if(NetBattleCanvas.level==1)this.addCommand(nextCommand);
    }
    public void lose(){//kingSprite userSprite调用
        if(win)return;//已经win
        Sound.instance.stopBack();
        Sound.instance.gameoverPlayer();
        lose = true;
        NetUserSprite.setInterrupt(true);
        Image loseImage = null;
        try{
             loseImage = Image.createImage("/tank/lose.png");              
        }catch(IOException e){
            e.printStackTrace();
        }
        Sprite loseSprite = new Sprite(loseImage); 
        loseSprite.defineReferencePixel(loseImage.getWidth()/2,loseImage.getHeight()/2);
        loseSprite.setRefPixelPosition(this.getWidth()/2, this.getHeight()/2);
        loseSprite.setVisible(true);
        layerManager.insert(loseSprite,0);
        //处理按键
        this.removeCommand(pauseCommand);
        this.removeCommand(resumeCommand);
        this.removeCommand(listCommand);
       //this.addCommand(exitCommand);
    }
    public void resume(){
        Sound.instance.resumeBack();
            NetBattleCanvas.setInterrupt(false);
            NetTentSprite.setInterrupt(false);
            NetKingSprite.setInterrupt(false);
            NetBulletSprite.setInterrupt(false);
            NetEnemySprite.setInterrupt(false);
            NetUserSprite.setInterrupt(false);
            NetTalismanSprite.setInterrupt(false);
            NetPetSprite.setInterrupt(false); 
    }
    public void stop(){
          Sound.instance.stopBack();
           interrupt = true;
            NetTentSprite.setInterrupt(true);
            NetKingSprite.setInterrupt(true);
            NetBulletSprite.setInterrupt(true);
            NetEnemySprite.setInterrupt(true);
            NetUserSprite.setInterrupt(true);
            NetTalismanSprite.setInterrupt(true);
            NetPetSprite.setInterrupt(true);
    }
}