game.java~4~

一个j2me上面的游戏脚本引擎

import javax.microedition.lcdui.*;
import java.lang.*;

/**
 * <p>Title: Canvas</p>
 * <p>Description: Game Canvas</p>
 * <p>Copyright: CoCoMo http://spaces.msn.com/j2medev  Copyright (c) 2006</p>
 * <p>HTML: http://spaces.msn.com/j2medev
 * <p>Company: 9you</p>
 * @author 郭昉
 * @version 1.3
 */

public class Game
    extends Canvas
    implements Runnable {
  public static final byte STATE_INIT = 1;
  public static final byte STATE_RUN = 2;
  public static final byte STATE_QUIT = 3;

  public static final String SCRIPT_FILE = "/res/script.bin";
  // 控制变量 -----------------------------------------------------------------
  boolean b_running;
  byte m_gameState;
  long m_curFrameTime;

  public Game() {
    setFullScreenMode(true);
  }

  public void run() {
    b_running = true;
    m_gameState = STATE_INIT;

    //初始化脚本引擎
    GScript.init(SCRIPT_FILE);
    GScript.stop();

    m_curFrameTime = System.currentTimeMillis();
    while (b_running) {
      try {
        updateState();
        repaint();
        serviceRepaints();

        long d = System.currentTimeMillis() - m_curFrameTime;
        if(d < 80) {
          Thread.sleep(80 - d);
        }

        m_curFrameTime = System.currentTimeMillis();
      }
      catch (Exception e) {
        e.printStackTrace();
      }
    }

    GMIDlet.m_midlet.notifyDestroyed();
    GMIDlet.m_midlet.destroyApp(true);
  }

  protected void paint(Graphics g) {
    if (g == null || !b_running) {
      return;
    }

    switch(m_gameState) {
      case STATE_INIT:
        break;
      case STATE_RUN:
        break;
      case STATE_QUIT:
        break;
    }
  }

  void updateState()
  {
    switch(m_gameState) {
      case STATE_INIT:
        GScript.turnOn(); //打开脚本引擎
        m_gameState = STATE_RUN;
        break;
      case STATE_RUN:
        GScript.run();
        break;
      case STATE_QUIT:
        break;
    }
  }

  public static void print(String str)
  {
    System.out.println(str);
  }

  protected void keyPressed(int code) {

  }

  protected void keyReleased(int code) {

  }

  protected void hideNotify(){
  }

  protected void showNotify() {
  }
}