game.java

脚本开发工具和源代码,用于J2me中RPG游戏的脚本开发和执行,相当好用的一套工具,并含有脚本开发工具的源代码和一个现成的游戏脚本

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

/**
 * <p>Title: Canvas</p>
 * <p>Description: Game Canvas</p>
 * <p>Copyright: CoCoMo 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
    CScript.init(SCRIPT_FILE);
    CScript.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()
  {
    try {
      switch (m_gameState) {
        case STATE_INIT:
          CScript.turnOn(); //打开脚本引擎
          m_gameState = STATE_RUN;
          break;
        case STATE_RUN:
          CScript.run();
          break;
        case STATE_QUIT:
          break;
      }
    }catch(Exception e) {
      e.printStackTrace();
    }
  }

  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() {

  }

  public static void function(int id, int count) {
    String str = null;
    switch(id) {
      case 1: //Print
        str = CScript.toString(1); CScript.pop(1);
        System.out.println(str);
        break;
    }
  }
}