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
33package jme3tools.converters.model.strip;
34
35/**
36 *
37 */
38public class PrimitiveGroup {
39
40    public static final int PT_LIST = 0;
41    public static final int PT_STRIP = 1;
42    public static final int PT_FAN = 2;
43
44    public int type;
45    public int[] indices;
46    public int numIndices;
47
48    public PrimitiveGroup() {
49        type = PT_STRIP;
50    }
51
52    public String getTypeString() {
53        switch(type) {
54            case PT_LIST : return "list";
55            case PT_STRIP: return "strip";
56            case PT_FAN: return "fan";
57            default: return "????";
58        }
59    }
60
61    public String toString() {
62        return getTypeString() + " : " + numIndices;
63    }
64
65    public String getFullInfo() {
66        if ( type != PT_STRIP )
67            return toString();
68
69        int[] stripLengths = new int[numIndices];
70
71        int prev = -1;
72        int length = -1;
73        for ( int i =0; i < numIndices; i++) {
74            if (indices[i] == prev) {
75                stripLengths[length]++;
76                length = -1;
77                prev = -1;
78            } else {
79                prev = indices[i];
80                length++;
81            }
82        }
83        stripLengths[length]++;
84
85        StringBuffer sb = new StringBuffer();
86        sb.append("Strip:").append(numIndices).append("\n");
87        for ( int i =0; i < stripLengths.length; i++) {
88            if ( stripLengths[i] > 0) {
89                sb.append(i).append("->").append(stripLengths[i]).append("\n");
90            }
91        }
92        return sb.toString();
93    }
94
95    /**
96     * @return
97     */
98    public int[] getTrimmedIndices() {
99        if ( indices.length == numIndices )
100            return indices;
101        int[] nind = new int[numIndices];
102        System.arraycopy(indices,0,nind,0,numIndices);
103        return nind;
104    }
105
106}
107
108