controller.java~14~

利用Java 开发的一个手机版的潜艇游戏。游戏实现的重点就是屏幕的绘制滚动技术和碰撞检测技术

/*
 * Author: Huang ye(www.hyweb.net)
 * 代码开源, 引用请注明出处
 *
 * 创建日期 2005-3-9
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package mysubmarine;

import javax.microedition.lcdui.*;

/**
 * @author user
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class Controller {
    private MysubmarineMIDlet subMIDlet;
    private MySubmarineCanvas subCanvas;
    private MenuUI menuUI;

    private Display display;

    public static final byte EVENT_START = 01;
    public static final byte EVENT_ABOUT = 02;
    public static final byte EVENT_EXIT = 03;

    public static final byte EVENT_MENU = 101;
    public static final byte EVENT_MENU_GAMEOVER = 102;
    public static final byte EVENT_NEXTROUND = 103;

    public Controller(MysubmarineMIDlet subMIDlet) {
        this.subMIDlet = subMIDlet;

        display = Display.getDisplay(subMIDlet);

        //menuUI = new MenuUI(this);

        this.EventHandler(EVENT_MENU);

    }

    public void EventHandler(byte eventID) {

        switch (eventID) {

        case EVENT_START: {
            //开始游戏
            if (subCanvas == null) {
                subCanvas = new MySubmarineCanvas(this);
            } else {

            }
            display.setCurrent(subCanvas);
            break;
        }

        case EVENT_ABOUT: {
            //说明文件
            Alert alert = new Alert("About", "This is a Demo Edition Game .", null,
                                    AlertType.INFO);
            alert.setTimeout(3000);
            display.setCurrent(alert, menuUI);
            break;
        }

        case EVENT_NEXTROUND: {
            //开启一个新的线程，显示下一轮字样
            //原先画布线程则更换地图信息
            Thread t = new Thread() {
                public void run() {
                    StringBuffer sbf = new StringBuffer("Round " +
                            (MySubmarineCanvas.nLevel));
                    display.setCurrent(new InfoCanvas(sbf) {});

                    try {
                        Thread.sleep(2000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                    display.setCurrent(subCanvas);
                    subCanvas.active();
                }
            };
            t.start();
            break;
        }

        case EVENT_EXIT: {
            //退出程序
            subMIDlet.destroyApp(false);
            subMIDlet.notifyDestroyed();
            break;
        }

        case EVENT_MENU: {
            display.setCurrent(menuUI);
            break;
        }

        case EVENT_MENU_GAMEOVER: {
            StringBuffer sbf = new StringBuffer("Game Over");
            display.setCurrent(new InfoCanvas(sbf) {});
            subCanvas = null;

            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            display.setCurrent(menuUI);
            break;
        }

        default:
            break;
        }
    }

}