Android Open Source - DolphinOES Particle Handler

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License

The source code is released under:

Apache License

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Java Source Code

/*******************************************************************************
 * Copyright 2014 See AUTHORS file./* w w  w.j  av a 2s .c o  m*/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.sidereal.dolphinoes.behaviors.particlesystem;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Map.Entry;
import java.util.Random;
import com.sidereal.dolphinoes.architecture.GameBehavior;
import com.sidereal.dolphinoes.architecture.GameObject;

/** Gives the ability to create {@link ParticleEmitter} instances and update
 * them.
 * 
 * @author Claudiu Bele */
public class ParticleHandler extends GameBehavior
{
  // region fields

  public Hashtable<String, ParticleEmitter> particleEmitters;
  public ArrayList<String> particleEmittersToRemove;

  public Random random;

  // endregion fields

  // region constructors

  public ParticleHandler(GameObject obj)
  {

    super(obj);
    particleEmitters = new Hashtable<String, ParticleEmitter>();
    particleEmittersToRemove = new ArrayList<String>();

    random = new Random();
  }

  // endregion constructors

  // region methods

  public void addEmitter(String name,
      ArrayList<ParticleSpriteLayout> spriteSources)
  {

    ParticleEmitter emitter = new ParticleEmitter(spriteSources, object);
    particleEmitters.put(name, emitter);
  }

  public void addEmitter(String name, ParticleEmitter emitter)
  {

    particleEmitters.put(name, emitter);
  }

  public ParticleEmitter getEmitter(String name)
  {

    return particleEmitters.get(name);
  }

  @Override
  public void update()
  {

    for (Entry<String, ParticleEmitter> entry : particleEmitters.entrySet())
    {
      entry.getValue().run();

      if (entry.getValue().mustRemove)
      {
        particleEmittersToRemove.add(entry.getKey());
      }
    }

    for (int i = 0; i < particleEmittersToRemove.size(); i++)
    {
      particleEmitters.remove(particleEmittersToRemove.get(i));
    }

    particleEmittersToRemove.clear();

  }

  // endregion methods

}

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