control.java

一款运行于手机的Java游戏神灯传奇源代码

package com.thinkenjoy.control;
//Download by http://www.codefans.net
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;

import javax.microedition.rms.RecordStore;
import javax.microedition.rms.RecordStoreNotFoundException;

import com.thinkenjoy.feitian.screen.AboutScreen;
import com.thinkenjoy.feitian.screen.HelpScreen;
import com.thinkenjoy.feitian.screen.LoadResourceScreen;
import com.thinkenjoy.feitian.screen.LogoScreen;
import com.thinkenjoy.feitian.screen.MenuScreen;
import com.thinkenjoy.feitian.screen.TitleScreen;
import com.thinkenjoy.feitian.screen.PlayScreen;
import com.thinkenjoy.feitian.screen.PersonScreen;
import com.thinkenjoy.feitian.screen.PassScreen;
import java.util.*;
/**
 *
 * 控制类,所有显示界面的中枢类
 */
public class Control {

  /**
   * 当前有效的显示对象
   */
  private static ActorCanvas focusLayer = null;
  /**
   * 进入一些临时界面，如弹出式菜单，帮助，关于等时记录上一个有效显示对象
   */
  public static ActorCanvas oldFocusLayer = null;

  public static final byte LOGO_STAGE = 0;

  public static final byte LOAD_RESOURCE_STAGE = 1;

  public static final byte TITLE_STAGE = 2;

  public static final byte ABOUT_STAGE = 6;

  public static final byte HELP_STAGE = 7;

  public static final byte MENU_STAGE = 8;

  public static final byte PLAY_STAGE = 9;

  public static final byte PLAYER_SELECT = 10	;

  public static final byte GAME_START = 11;

  public static final byte PASS_STAGE = 12;
  /**
   * MIDLET
   */
  public static StoryMIDlet te = null;

  /**
   * 当前有效显示界面
   */
  public static byte form = -1;

  /**
   * 上一个有效显示界面
   */
  public static byte oldform = -1;

  public static boolean music = true;

  public static int musicVolumn = 30;

  /**
   * 判定是否是第一次启动程序时调用showNotify
   */
  public static boolean isStartShowNotify = false;

  /**
   * currentPlayer
   *       当前选中进行游戏的人物
   * oldGunLevel
   *       当前选中进行游戏的人物子弹等级
   * oldScore
   * 		 当前分数
   */
  public static int currentPlayer,oldGunLevel,oldScore;

  /**
   * 记录当前的关卡数
   */
  public static int stage = 1;
  private static boolean victory;


  /**
   * 确定显示的界面
   * @param whichForm为控制界面的整型参数
   */
  public static void show(byte whichForm) {
    if (whichForm != form) {
      ActorCanvas tempFocusLayer; // 初始化类时使用，避免类还没有初始化完就被主线程使用
      if (focusLayer != null && whichForm != MENU_STAGE &&
          whichForm != ABOUT_STAGE && whichForm != HELP_STAGE) {
        focusLayer.reCycle();
        focusLayer = null;
        if (oldFocusLayer != null) {
          oldFocusLayer.reCycle();
          oldFocusLayer = null;
        }
        System.gc();
      }
      switch (whichForm) {
      case PLAY_STAGE:
        focusLayer = null;
        tempFocusLayer = PlayScreen.getInstance();
        focusLayer = tempFocusLayer;
        break;
      case LOGO_STAGE:
        focusLayer = null;
        tempFocusLayer = new LogoScreen();
        focusLayer = tempFocusLayer;
        break;
      case LOAD_RESOURCE_STAGE:
        tempFocusLayer = new LoadResourceScreen();
        focusLayer = tempFocusLayer;
        break;
      case TITLE_STAGE:
        focusLayer = null;
        stage = 1;
        tempFocusLayer = new TitleScreen();
        focusLayer = tempFocusLayer;
        break;
      case ABOUT_STAGE:
        oldFocusLayer = focusLayer;
        focusLayer = null;
        tempFocusLayer = new AboutScreen();
        focusLayer = tempFocusLayer;
        break;
      case HELP_STAGE:
        if (form != MENU_STAGE) {
          oldFocusLayer = focusLayer;
        } else {
          focusLayer.reCycle();
          focusLayer = null;
          form = oldform;
        }
        focusLayer = null;
        tempFocusLayer = new HelpScreen();
        focusLayer = tempFocusLayer;
        break;
      case MENU_STAGE:
        if (form != HELP_STAGE && form != ABOUT_STAGE) {
          oldFocusLayer = focusLayer;
        } else {
          focusLayer.reCycle();
          focusLayer = null;
          form = oldform;
        }
        tempFocusLayer = new MenuScreen();
        focusLayer = tempFocusLayer;
        break;
      case PLAYER_SELECT:
        focusLayer = null;
        tempFocusLayer = new PersonScreen();
        focusLayer = tempFocusLayer;
        break;
      case GAME_START:
        //oldFocusLayer = focusLayer;
        focusLayer = null;
        tempFocusLayer = PlayScreen.getInstance();
        PlayScreen.initialNewCase();
        focusLayer = tempFocusLayer;
        break;
      case PASS_STAGE:
        oldFocusLayer = focusLayer;
        stage = stage+1;
        focusLayer = null;
        tempFocusLayer = new PassScreen();
        focusLayer = tempFocusLayer;
        break;
      default:
        break;
      }
      setForm(whichForm);
    }
  }

  /**
   * return the curent Display Canvas
   *
   * @return
   */
  public static ActorCanvas getDisplay() {
    return focusLayer;
  }

  /**
   * 返回上一个有效状态界面
   *
   */
  public static void returnOldFocus() {
    focusLayer.reCycle();
    focusLayer = null;
    focusLayer = oldFocusLayer;
    setForm(oldform);
    oldFocusLayer = null;
  }

  public static void setForm(byte whichForm) {
    oldform = form;
    form = whichForm;
  }

  //播放声音调用过程
  public static void playSound(int ikey, int count) {
    if (music) {
      MusicPlayer.getinstance().play(ikey, count);
    }
  }

  public static void resumeMusic() {
    switch (oldform) {
       //TODO:确定在哪个界面上需要恢复声音
    }
  }

  public static void stopMusic() {
    MusicPlayer.getinstance().stop();
  }

  public static void upMusic() {
    if (music) {
      int volumn = MusicPlayer.getinstance().getVolume() + 5;
      if (volumn > 100) {
        volumn = 100;
      }
      MusicPlayer.getinstance().setVolume(volumn);
    }
  }

  public static void downMusic() {
    if (music) {
      int volumn = MusicPlayer.getinstance().getVolume() - 5;
      if (volumn < 0) {
        volumn = 0;
      }
      MusicPlayer.getinstance().setVolume(volumn);
    }
  }

  /**
   * 得到当前的关卡
   *
   * @return
   */
  public static int getStage() {
    return stage;
  }

  public static void setStage(int newStage) {
    stage = newStage;
  }

  public static boolean isVictory() {
    return victory;
  }

  public static void setVictory(boolean victoryArg) {
    victory = victoryArg;
  }

  /**
   * 读取音乐设置
   *
   * @return
   */
  public static void loadMusicSetting() {
    String recordinfo = null;
    RecordStore rs = null;
    try {
      rs = RecordStore.openRecordStore("music", false);
      if (rs == null) {
        setMusic();
      } else {
        ByteArrayInputStream bis = new ByteArrayInputStream(rs.getRecord(1));
        DataInputStream dis = new DataInputStream(bis);
        music = dis.readBoolean();
        musicVolumn = dis.readInt();
        dis.close();
        bis.close();
        rs.closeRecordStore();
        rs = null;
      }
    } catch (RecordStoreNotFoundException rex) {
      try {
        rs.closeRecordStore();
        rs = null;
      } catch (Exception S) {
      }
    } catch (Exception e) {
      try {
        rs.closeRecordStore();
        rs = null;
      } catch (Exception S) {
      }
    }
  }

  /**
   * 设置音乐
   *
   */
  public static void setMusic() {
    RecordStore rs = null;
    try {
      RecordStore.deleteRecordStore("music");
    } catch (Exception ex) {

    }
    try {
      rs = RecordStore.openRecordStore("music", true);
      ByteArrayOutputStream bos = new ByteArrayOutputStream();
      DataOutputStream dos = new DataOutputStream(bos);
      dos.writeBoolean(music);
      dos.writeInt(musicVolumn);
      rs.addRecord(bos.toByteArray(), 0, (bos.toByteArray()).length);
      dos.close();
      bos.close();
      rs.closeRecordStore();
      rs = null;
    } catch (Exception e) {
      try {
        rs.closeRecordStore();
        rs = null;
      } catch (Exception S) {
         System.out.println("get Player error: " + S);
      }
    }
  }
}