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/*
 * Copyright (c) 2009-2012 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.animation;

import com.jme3.export.InputCapsule;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule;
import com.jme3.export.Savable;
import com.jme3.util.clone.Cloner;
import com.jme3.util.clone.JmeCloneable;
import java.io.IOException;
import java.util.ArrayList;

/**
 * This class is intended as a UserData added to a Spatial that is referenced by a Track.
 * (ParticleEmitter for EffectTrack and AudioNode for AudioTrack)
 * It holds the list of tracks that are directly referencing the Spatial.
 * 
 * This is used when loading a Track to find the cloned reference of a Spatial in the cloned model returned by the assetManager.
 *
 * @author Nehon
 */
public class TrackInfo implements Savable, JmeCloneable {

    ArrayList tracks = new ArrayList();

    public TrackInfo() {
    }

    public void write(JmeExporter ex) throws IOException {
        OutputCapsule c = ex.getCapsule(this);
        c.writeSavableArrayList(tracks, "tracks", null);
    }

    public void read(JmeImporter im) throws IOException {
        InputCapsule c = im.getCapsule(this);
        tracks = c.readSavableArrayList("tracks", null);
    }

    public ArrayList getTracks() {
        return tracks;
    }

    public void addTrack(Track track) {
        tracks.add(track);
    }
    
    @Override   
    public Object jmeClone() {
        try {
            return super.clone();
        } catch( CloneNotSupportedException e ) {
            throw new RuntimeException("Error cloning", e);
        }
    }     

    @Override   
    public void cloneFields( Cloner cloner, Object original ) {
        this.tracks = cloner.clone(tracks); 
    }             
}