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1/* The MIT License
2 *
3 * Copyright (c) 2010 Intel Corporation.
4 * All rights reserved.
5 *
6 * Based on the convexdecomposition library from
7 * <http://codesuppository.googlecode.com> by John W. Ratcliff and Stan Melax.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * THE SOFTWARE.
26 */
27
28using System;
29using System.Collections.Generic;
30
31namespace OpenSim.Region.Physics.ConvexDecompositionDotNet
32{
33 public class VertexPool
34 {
35 private List<float3> mVertices = new List<float3>();
36 private Dictionary<float3, int> mIndices = new Dictionary<float3, int>();
37
38 public int getIndex(float3 vtx)
39 {
40 int idx;
41 if (mIndices.TryGetValue(vtx, out idx))
42 return idx;
43
44 idx = mVertices.Count;
45 mVertices.Add(vtx);
46 mIndices.Add(vtx, idx);
47 return idx;
48 }
49
50 public float3 Get(int idx)
51 {
52 return mVertices[idx];
53 }
54
55 public int GetSize()
56 {
57 return mVertices.Count;
58 }
59
60 public List<float3> GetVertices()
61 {
62 return mVertices;
63 }
64
65 public void Clear()
66 {
67 mVertices.Clear();
68 }
69 }
70}