Android Open Source - lamp-game Main Menu Scene

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Back to project page lamp-game.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.lifestudio.scene;
/*from www. jav a2  s . co m*/
import java.util.Random;

import org.andengine.entity.IEntity;
import org.andengine.entity.modifier.AlphaModifier;
import org.andengine.entity.modifier.DelayModifier;
import org.andengine.entity.modifier.IEntityModifier;
import org.andengine.entity.modifier.IEntityModifier.IEntityModifierListener;
import org.andengine.entity.modifier.LoopEntityModifier;
import org.andengine.entity.modifier.LoopEntityModifier.ILoopEntityModifierListener;
import org.andengine.entity.modifier.SequenceEntityModifier;
import org.andengine.entity.scene.menu.MenuScene;
import org.andengine.entity.scene.menu.MenuScene.IOnMenuItemClickListener;
import org.andengine.entity.scene.menu.item.IMenuItem;
import org.andengine.entity.scene.menu.item.SpriteMenuItem;
import org.andengine.entity.scene.menu.item.decorator.ScaleMenuItemDecorator;
import org.andengine.entity.sprite.AnimatedSprite;
import org.andengine.entity.sprite.Sprite;
import org.andengine.opengl.util.GLState;
import org.andengine.util.modifier.IModifier;
import org.andengine.util.modifier.LoopModifier;
import org.andengine.engine.camera.*;

import android.opengl.GLES20;
import android.util.Log;
import android.widget.Toast;

import com.lifestudio.base.BaseScene;
import com.lifestudio.manager.ResourcesManager;
import com.lifestudio.manager.SceneManager;
import com.lifestudio.manager.SceneManager.SceneType;

public class MainMenuScene extends BaseScene implements IOnMenuItemClickListener{

  // built-in AndEngine MenuScene class
  private MenuScene menuChildScene;
  private final int MENU_PLAY = 0;
  private final int MENU_OPTIONS = 1;
  private Random rand;
  private float randAlpha;
  
  @Override
  public void createScene() {
    createBackground();
    createMenuChildScene();
    
  }

  @Override
  public void onBackKeyPressed() {
    System.exit(0); // activity.finish() sometimes don't help
  }

  @Override
  public SceneType getSceneType() {
    return SceneType.SCENE_MENU;
  }

  @Override
  public void disposeScene() {
    // TODO Auto-generated method stub
    
  }
  
  
  // -- Private Methods
  private void createMenuChildScene() {
    menuChildScene = new MenuScene(camera);
    menuChildScene.setPosition(0,0);
    
    // Animate the menu buttons, scale up when touched
    final IMenuItem playMenuItem = new ScaleMenuItemDecorator(new SpriteMenuItem(MENU_PLAY, resourcesManager.play_region, vbom), 1.2f, 1);
    final IMenuItem optionsMenuItem = new ScaleMenuItemDecorator(new SpriteMenuItem(MENU_OPTIONS, resourcesManager.options_region, vbom), 1.2f, 1);
    
    menuChildScene.addMenuItem(playMenuItem);
    menuChildScene.addMenuItem(optionsMenuItem);
    
    menuChildScene.buildAnimations(); // -<<<<<<<<<<
    menuChildScene.setBackgroundEnabled(false);
    
    playMenuItem.setPosition(playMenuItem.getX() + 320, playMenuItem.getY() + 70);
    optionsMenuItem.setPosition(optionsMenuItem.getX() + 320, optionsMenuItem.getY() + 50);
    menuChildScene.setOnMenuItemClickListener(this);
    setChildScene(menuChildScene);
  }

  
  private void createBackground() {
    Sprite menu_bg = new Sprite(640, 400, resourcesManager.menu_background_region, vbom) {
      @Override
      protected void preDraw(GLState pGLState, Camera pCamera) {
        super.preDraw(pGLState, pCamera);
        pGLState.enableDither();
      }
    }; 
    
    Sprite light = new Sprite(564,280, resourcesManager.light_region,vbom);
    
    light.setBlendFunction(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
    
    rand = new Random();
    randAlpha = rand.nextFloat();
    
    
    final LoopEntityModifier entityModifier = new LoopEntityModifier(
        new IEntityModifierListener() {
               

          @Override
          public void onModifierStarted(IModifier<IEntity> pModifier,
              IEntity pItem) {
              //randAlpha = rand.nextFloat();
          }

          @Override
          public void onModifierFinished(
              IModifier<IEntity> pModifier, IEntity pItem) {
            // EMPTY
          }
    },
    
    100,
    
    new ILoopEntityModifierListener() {
    
    @Override
    public void onLoopStarted(LoopModifier<IEntity> pLoopModifier, int pLoop,
        int pLoopCount) {
      //System.out.println(randAlpha);
      
    }
    
    @Override
    public void onLoopFinished(LoopModifier<IEntity> pLoopModifier, int pLoop,
        int pLoopCount) {
      // TODO Auto-generated method stub
      
    }
  }, 
  
  new SequenceEntityModifier(
      new AlphaModifier(0.3f, randomInRange(0.6f,1.0f), 0.6f),
            new AlphaModifier(0.2f, 0.6f, randomInRange(0.6f,1.0f)),
            new DelayModifier(0.5f)
      )
  
        
        
  );
    
    light.registerEntityModifier(entityModifier);
    
    /*
    IEntityModifier iem  = new AlphaModifier(6.0f, 1.0f, 0.0f);
    iem.setAutoUnregisterWhenFinished(true);
    light.registerEntityModifier(iem);
     */
    
    //final LoopEntityModifier iem = new LoopEntityModifier(pEntityModifierListener, pLoopCount, pLoopModifierListener, pEntityModifier)
    
    // Part that animates the sprite sheet
    //AnimatedSprite light_lamp = new AnimatedSprite(563,280, resourcesManager.light_region,vbom);
    
    attachChild(menu_bg);
    attachChild(light);
    
    //attachChild(light_lamp);
    //light_lamp.animate(200);
  }
  
  private float getAlphaRandom() {
    randAlpha = rand.nextFloat();
    return randAlpha;
  }
  
  private float randomInRange(float min, float max) {
    return (float) (Math.random() * (max-min) + min);
  }
  
  private float getFadeOutDuration() {
    return 2.0f;
  }
  
  private float getFadeInDuration() {
    return 1.0f;
  }
  

//  private void createTiledSprite()
//  {
//          AnimatedSprite as = new AnimatedSprite(0, 0, tiledTextureRegion, vbo);
//          long[] frameDurration = {100, 100, 100};
//          as.animate(frameDurration);
//          scene.attachChild(as);
//  }
  


  @Override
  public boolean onMenuItemClicked(MenuScene pMenuScene, IMenuItem pMenuItem,
      float pMenuItemLocalX, float pMenuItemLocalY) {
    
    switch(pMenuItem.getID()){
      case MENU_PLAY:
        //Load Game Scene MODAFOCA!
              SceneManager.getInstance().loadGameScene(engine);
        return true;
        
      case MENU_OPTIONS:
        ResourcesManager.getInstance().pauseMusic();
//        
//        if (ResourcesManager.getInstance().getMusic().isPlaying()) {
//          ResourcesManager.getInstance().getMusic().pause();
//        } else {
//          ResourcesManager.getInstance().play();
//        }
        return true;
      default:
        return false;  
    }
  }

}

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