menu.java

一款手机游戏

import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.game.TiledLayer;

public class Menu extends Canvas implements Runnable
{
    private Nikuman parent;
    private GameDisplay gameDisplay;  
    private GameManager manager;
    private TiledLayer bg;
    mainMenu maimenu;
    
    private Image bgGround;
    private Image stage;
    private Image select;
    private Image tile;
    private Image item;
    private Image imgNumber;
    
    boolean stop=false;
    
    private int count = 1; //设置光标为第一个选项
    
    public Menu(Nikuman parent,GameDisplay dis,mainMenu m) //分离MIDP和GameDisplay
    {
        this.parent = parent;
        gameDisplay = dis;
        maimenu=m;
        
        setFullScreenMode(true);
        try
        {   //加载游戏中的图像
            bgGround = Image.createImage("/image/Background.png");
            stage = Image.createImage("/image/Stage.png");
            tile = Image.createImage("/image/Tile.png");
            item = Image.createImage("/image/Item.png");
            select = Image.createImage("/image/Select.png");
            imgNumber = Image.createImage("/image/Number.png");
        }
        catch(Exception e){}
        manager = new GameManager(gameDisplay);
        bg = new TiledLayer(8,9,bgGround,32,32);
        bg.fillCells(0,0,8,9,1);
        manager.append(bg);
        Thread t = new Thread(this);
        t.start();
    }
    
    public void paint(Graphics g)
    {
        g.setColor(0xFFFFFFFF);
        g.fillRect(0, 0, 176, 220);
        manager.paint(g, 0, 0);
        drawItem(g);
        switch(count)
        { //画菜单
            case 1:
                g.drawRegion(select,0,0,74,20,0,52,130,0);
                break;
            case 2:
                g.drawRegion(select,0,20,74,20,0,52,150,0);
                break;
            case 3:
                g.drawRegion(select,0,40,74,20,0,52,170,0);
                break;
            default:
                break;
        }
    }
    
    public void run()
    {
        while(!stop)
        {
            manager.BGScroll(64);
            try{Thread.sleep(20);}catch(Exception e){}
            repaint();
        }
    }
    
    private void drawItem(Graphics g)
    {
        
        g.drawImage(stage,57,35,0); //画Stage图像
        if(Other.currentLevel<10)
        g.drawRegion(imgNumber,11*Other.currentLevel,0,11,18,0,110,35,0); //画关数
        else{
        g.drawRegion(imgNumber,11*(Other.currentLevel/10),0,11,18,0,110,35,0); 
        g.drawRegion(imgNumber,11*(Other.currentLevel%10),0,11,18,0,124,35,0); 
        	}
        g.drawImage(tile,0,23,0); //画横线图像
        g.drawImage(tile,0,57,0); //画横线图像
        g.drawRegion(item,0,0,49,20,0,55,70,0); //画Item图像
        
        
        g.drawRegion(imgNumber,Other.pinaLife*11,0,11,18,0,110,71,0); //画Pina得生命值
        g.drawRegion(item,51,0,63,20,0,50,93,0); //画Item图像
        
        g.drawRegion(imgNumber,Scene.nikumanNumber[Other.currentLevel-1]*11,0,
                11,18,0,115,94,0); //画总的Nikuman数量
                
        g.drawRegion(imgNumber,gameDisplay.nikuNumber*11,0,11,18,0,85,94,0); //画获得的Nikuman数量
        g.drawRegion(select,74,0,74,60,0,52,130,0); //画灰色的List
    }
    
     protected void keyPressed(int keyCode)
     {
         int action = getGameAction(keyCode);
         if(keyCode == -8) //"C"键
         {
             parent.setDisplayable(gameDisplay);
         }
         if(action == FIRE)
         {
             switch(count)
             {
                 case 1:
                 	 gameDisplay.is=true;
                     parent.setDisplayable(gameDisplay);
                     break;
                 case 2:
                     break;
                 case 3:
                 	 
                 	 gameDisplay.continue3=4;
                 	 //gameDisplay.sound.releaseBGSound();
                     try{
                     	Thread.sleep(1000);
                     }
                     catch(Exception e){
                     }
                     Other.pinaLife=2;
                     parent.setDisplayable(maimenu);
                     stop=true;
                     
                     break;
             }
         }
         if(action == UP)
         {
             if(count != 1) count --;
         }
         if(action == DOWN)
         {
             if(count != 3) count ++;
         }
     }
}