main.java

一个老外写的一个j2me环境的rpg引擎

package mobileRPG.client;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import mobileRPG.*;

public class Main extends MIDlet implements CommandListener {
	 
    public Display display;
    
	private ImageSet imageset;
    private Canvas canvas;
    private Alert alert;
	
    private Command exitCommand = new Command("Exit", Command.EXIT, 60);
	
    public Main() {
        display = Display.getDisplay(this);
    }
	
    public void startApp() {
        loadImages();
    }
    
    public void pauseApp() {}

    public void destroyApp(boolean unconditional) {
        display.setCurrent(null);
    }

    public void commandAction(Command c, Displayable s) {
        if (c == exitCommand) {
            destroyApp(false);
            notifyDestroyed();
        } else {
            System.out.println("Unknown command issued " + c);
        }
    }
    
    public void setCanvas(Canvas canvas) {
    	this.canvas = canvas;
    	canvas.addCommand(exitCommand);
        canvas.setCommandListener(this);
        display.setCurrent(canvas);
    }
       
 	private void loadImages() {
 		setCanvas((imageset = new ImageSet(this, "/res/Default.ist")));
    }
    
    public ImageSet getImageSet() {return imageset;}
    
    public void loadImagesCompleted() {
    	setCanvas(new MapCanvas(this, "/res/GrassField.map"));
    }

}