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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 package com.jme3.animation;
     33 
     34 import com.jme3.export.*;
     35 import com.jme3.math.Quaternion;
     36 import java.io.IOException;
     37 
     38 /**
     39  * Serialize and compress {@link Quaternion}[] by indexing same values
     40  * It is converted to float[]
     41  * @author Lim, YongHoon
     42  */
     43 public class CompactQuaternionArray extends CompactArray<Quaternion> implements Savable {
     44 
     45     /**
     46      * creates a compact Quaternion array
     47      */
     48     public CompactQuaternionArray() {
     49     }
     50 
     51     /**
     52      * creates a compact Quaternion array
     53      * @param dataArray the data array
     54      * @param index  the indices array
     55      */
     56     public CompactQuaternionArray(float[] dataArray, int[] index) {
     57         super(dataArray, index);
     58     }
     59 
     60     @Override
     61     protected final int getTupleSize() {
     62         return 4;
     63     }
     64 
     65     @Override
     66     protected final Class<Quaternion> getElementClass() {
     67         return Quaternion.class;
     68     }
     69 
     70     @Override
     71     public void write(JmeExporter ex) throws IOException {
     72         serialize();
     73         OutputCapsule out = ex.getCapsule(this);
     74         out.write(array, "array", null);
     75         out.write(index, "index", null);
     76     }
     77 
     78     @Override
     79     public void read(JmeImporter im) throws IOException {
     80         InputCapsule in = im.getCapsule(this);
     81         array = in.readFloatArray("array", null);
     82         index = in.readIntArray("index", null);
     83     }
     84 
     85     @Override
     86     protected void serialize(int i, Quaternion store) {
     87         int j = i * getTupleSize();
     88         array[j] = store.getX();
     89         array[j + 1] = store.getY();
     90         array[j + 2] = store.getZ();
     91         array[j + 3] = store.getW();
     92     }
     93 
     94     @Override
     95     protected Quaternion deserialize(int i, Quaternion store) {
     96         int j = i * getTupleSize();
     97         store.set(array[j], array[j + 1], array[j + 2], array[j + 3]);
     98         return store;
     99     }
    100 }
    101