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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 com.jme3.terrain.geomipmap.picking;
     34 
     35 import com.jme3.collision.CollisionResult;
     36 import com.jme3.terrain.geomipmap.TerrainPatch;
     37 
     38 /**
     39  * Pick result on a terrain patch with the intersection on the bounding box
     40  * of that terrain patch.
     41  *
     42  * @author Brent Owens
     43  */
     44 public class TerrainPickData implements Comparable {
     45 
     46     protected TerrainPatch targetPatch;
     47     protected CollisionResult cr;
     48 
     49     public TerrainPickData() {
     50     }
     51 
     52     public TerrainPickData(TerrainPatch patch, CollisionResult cr) {
     53         this.targetPatch = patch;
     54         this.cr = cr;
     55     }
     56 
     57     public int compareTo(Object o) {
     58         if (o instanceof TerrainPickData) {
     59             TerrainPickData tpd = (TerrainPickData) o;
     60             if (this.cr.getDistance() < tpd.cr.getDistance())
     61                 return -1;
     62             else if (this.cr.getDistance() == tpd.cr.getDistance())
     63                 return 0;
     64             else
     65                 return 1;
     66         }
     67 
     68         return 0;
     69     }
     70 
     71     @Override
     72     public boolean equals(Object obj) {
     73         if(obj instanceof TerrainPickData){
     74             return ((TerrainPickData)obj).compareTo(this) == 0;
     75         }
     76         return super.equals(obj);
     77     }
     78 
     79 }
     80