Package org.mt4j.sceneManagement.transition

Source Code of org.mt4j.sceneManagement.transition.BlendTransition

/***********************************************************************
* mt4j Copyright (c) 2008 - 2010 Christopher Ruff, Fraunhofer-Gesellschaft All rights reserved.
*   This program is free software: you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation, either version 3 of the License, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
***********************************************************************/
package org.mt4j.sceneManagement.transition;

import org.mt4j.MTApplication;
import org.mt4j.components.visibleComponents.shapes.MTRectangle;
import org.mt4j.components.visibleComponents.widgets.MTSceneTexture;
import org.mt4j.sceneManagement.Iscene;
import org.mt4j.util.MTColor;
import org.mt4j.util.animation.Animation;
import org.mt4j.util.animation.AnimationEvent;
import org.mt4j.util.animation.IAnimationListener;
import org.mt4j.util.animation.MultiPurposeInterpolator;

import processing.core.PGraphics;

/**
* The Class BlendTransition.
*
* @author Christopher Ruff
*/
public class BlendTransition extends AbstractTransition {
 
  /** The app. */
  private MTApplication app;
 
  /** The finished. */
  private boolean finished;
 
  /** The last scene. */
  private Iscene lastScene;
 
  /** The next scene. */
  private Iscene nextScene;
 
  /** The last scene window. */
  private MTSceneTexture lastSceneWindow;
 
  /** The anim. */
  private Animation anim;
 
  /** The duration. */
  private long duration;
 
  /** The last scene rectangle. */
  private MTRectangle lastSceneRectangle;
 
  /**
   * Instantiates a new blend transition.
   *
   * @param mtApplication the mt application
   */
  public BlendTransition(MTApplication mtApplication) {
    this(mtApplication, 2000);
  }
 
 
  /**
   * Instantiates a new blend transition.
   *
   * @param mtApplication the mt application
   * @param duration the duration
   */
  public BlendTransition(MTApplication mtApplication, long duration) {
    super(mtApplication, "Blend Transition");
    this.app = mtApplication;
    this.duration = duration;
    this.finished = true;
   
    anim = new Animation("Blend animation ", new MultiPurposeInterpolator(255,0, this.duration, 0, 0.7f, 1) , this).addAnimationListener(new IAnimationListener(){
      public void processAnimationEvent(AnimationEvent ae) {
        float val = ae.getAnimation().getInterpolator().getCurrentValue();
        switch (ae.getId()) {
        case AnimationEvent.ANIMATION_STARTED:
          lastSceneRectangle.setVisible(true);
        case AnimationEvent.ANIMATION_UPDATED:
          lastSceneRectangle.setFillColor(new MTColor(255,255,255, val));
          break;
        case AnimationEvent.ANIMATION_ENDED:
          lastSceneRectangle.setVisible(false);
          lastSceneRectangle.setFillColor(new MTColor(255,255,255, val));
          finished = true;
          break;
        default:
          break;
        }
      }});
    anim.setResetOnFinish(true);
  }


  /* (non-Javadoc)
   * @see org.mt4j.sceneManagement.transition.ITransition#isFinished()
   */
  public boolean isFinished() {
    return finished;
  }

  /* (non-Javadoc)
   * @see org.mt4j.sceneManagement.AbstractScene#drawAndUpdate(processing.core.PGraphics, long)
   */
  @Override
  public void drawAndUpdate(PGraphics graphics, long timeDelta) {
    this.nextScene.drawAndUpdate(graphics, timeDelta);
//    this.clear(graphics)
    super.drawAndUpdate(graphics, timeDelta);
  }
 
 
 
  /* (non-Javadoc)
   * @see org.mt4j.sceneManagement.transition.ITransition#setup(org.mt4j.sceneManagement.Iscene, org.mt4j.sceneManagement.Iscene)
   */
  public void setup(Iscene lastScenee, Iscene nextScenee) {
    this.lastScene = lastScenee;
    this.nextScene = nextScenee;
    finished = false;
   
    //Disable the scene's global input processors. We will be redirecting the input
    //from the current scene to the window scene
    app.getInputManager().disableGlobalInputProcessors(lastScene);
    app.getInputManager().disableGlobalInputProcessors(nextScene);
   
    app.invokeLater(new Runnable() {
      public void run() {
        lastSceneWindow = new MTSceneTexture(app,0, 0, Math.round(app.width/2f), Math.round(app.height/2f), lastScene);
        lastSceneRectangle = new MTRectangle(0,0, app.width, app.height, app);
       
        lastSceneRectangle.setGeometryInfo(lastSceneWindow.getGeometryInfo());
        lastSceneRectangle.setTexture(lastSceneWindow.getTexture());
        lastSceneRectangle.setStrokeColor(new MTColor(0,0,0,255));
        lastSceneRectangle.setVisible(false);
        lastSceneRectangle.setNoStroke(true);
        lastSceneRectangle.setDepthBufferDisabled(true);
        getCanvas().addChild(lastSceneRectangle);
       
        setClear(false);

        //Draw scene into texture once!
        lastSceneWindow.drawComponent(app.g);
       
        anim.start();
      }
    });
  }
 
 
  /* (non-Javadoc)
   * @see org.mt4j.sceneManagement.AbstractScene#shutDown()
   */
  @Override
  public void shutDown() {
    finished = true;
    this.lastScene = null;
    this.nextScene = null;
   
    this.lastSceneWindow.destroy();
    lastSceneRectangle.destroy();
  }
 

}

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