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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 
     33 package jme3tools.converters.model.strip;
     34 
     35 /**
     36  *
     37  */
     38 public 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