Android Open Source - MoonMiner Scene Manager

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Back to project page MoonMiner.

License

The source code is released under:

MIT License

Java Source Code

package com.lhbdev.moonminer.manager;
//from   w  w  w . j a  va 2s . c om
import org.andengine.engine.Engine;
import org.andengine.engine.handler.timer.ITimerCallback;
import org.andengine.engine.handler.timer.TimerHandler;
import org.andengine.ui.IGameInterface.OnCreateSceneCallback;

import com.lhbdev.moonminer.base.BaseScene;
import com.lhbdev.moonminer.scene.GameScene;
import com.lhbdev.moonminer.scene.LoadingScene;
import com.lhbdev.moonminer.scene.MainMenuScene;
import com.lhbdev.moonminer.scene.SplashScene;

public class SceneManager 
{
  //---------------------------------------------------------------
  //SCENES
  //----------------------------------------------------------------
  private BaseScene splashScene;
  private BaseScene menuScene;
  private BaseScene gameScene;
  private BaseScene loadingScene;
  //-----------------------------------------------------------------
  //END SCENES
  //-----------------------------------------------------------------
  
  //-------------------------------------------------------------------
  //VARIABLES
  //-------------------------------------------------------------------
  private static final SceneManager INSTANCE = new SceneManager();
  private SceneType currentSceneType = SceneType.SCENE_SPLASH;
  private BaseScene currentScene;
  private Engine engine = ResourcesManager.getInstance().engine;
  
  public enum SceneType
  {
    SCENE_SPLASH,
    SCENE_MENU,
    SCENE_GAME,
    SCENE_LOADING,
  }
  
  //---------------------------------------------------------------------
  //END VARIABLES
  //---------------------------------------------------------------------
  
  //---------------------------------------------------------------------
  //CLASS LOGIC
  //---------------------------------------------------------------------
  
  public void setScene(BaseScene scene)
  {
    engine.setScene(scene);
    currentScene = scene;
    currentSceneType = scene.getSceneType();
  }
  
  public void setScene(SceneType sceneType)
  {
    switch(sceneType)
    {
    case SCENE_MENU:
      setScene(menuScene);break;
    case SCENE_GAME:
      setScene(gameScene);break;
    case SCENE_SPLASH:
      setScene(splashScene);break;
    case SCENE_LOADING:
      setScene(loadingScene);break;
    default:break;
    }
  }
  
  
  //------------------------------------------------------------------------
  //GETTERS AND SETTERS
  //------------------------------------------------------------------------
  
  public static SceneManager getInstance()
  {
    return INSTANCE;
  }
  
  public SceneType getCurrentSceneType()
  {
    return currentSceneType;
  }
  
  public BaseScene getCurrentScene()
  {
    return currentScene;
  }
  
  public void createSplashScene(OnCreateSceneCallback pCallback)
  {
    ResourcesManager.getInstance().loadSplashScreen();
    splashScene = new SplashScene();
    currentScene = splashScene;
    pCallback.onCreateSceneFinished(splashScene);
  }
  
  //------------------------------------------------------------------------
  //SCENE DISPOSAL
  //------------------------------------------------------------------------
  private void disposeSplashScene()
  {
    ResourcesManager.getInstance().unloadSplashScreen();
    splashScene.disposeScene();
    splashScene = null;
  }
  
  //--------------------------------------------------------------------------
  //SCENE CREATION & LOADING
  //--------------------------------------------------------------------------
  public void createMenuScene()
  {
    ResourcesManager.getInstance().loadMenuResources();
    menuScene = new MainMenuScene();
    loadingScene = new LoadingScene();
    SceneManager.getInstance().setScene(menuScene);
    disposeSplashScene();
  }

  public void loadGameScene(final Engine mEngine)
  {
    setScene(loadingScene);
    ResourcesManager.getInstance().unloadMenuTextures();
    mEngine.registerUpdateHandler(new TimerHandler(0.1f, new ITimerCallback()
    {
      public void onTimePassed(final TimerHandler pTimerHandler)
      {
        mEngine.unregisterUpdateHandler(pTimerHandler);
        //mEngine.getCamera().set(0, 0, 500, 300);
        ResourcesManager.getInstance().loadGameResources();
        gameScene = new GameScene();
        setScene(gameScene);
      }
    }));
  }

  //display loading screen when coming from game scene
  public void loadMenuScene(final Engine mEngine)
  {
    setScene(loadingScene);
    gameScene.disposeScene();
    ResourcesManager.getInstance().unloadGameTextures();
    mEngine.registerUpdateHandler(new TimerHandler(0.1f,new ITimerCallback()
    {
      public void onTimePassed(final TimerHandler pTimer)
      {
        mEngine.unregisterUpdateHandler(pTimer);
        ResourcesManager.getInstance().loadMenuTextures();
        setScene(menuScene);
      }
    }));
  }
  
}

Java Source Code List

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