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 */
32package com.jme3.animation;
33
34import com.jme3.export.*;
35import com.jme3.math.Quaternion;
36import 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 */
43public 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