VertexLookup.cs 2.2 KB

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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. using System;
  28. using System.Collections.Generic;
  29. namespace OpenSim.Region.PhysicsModules.ConvexDecompositionDotNet
  30. {
  31. public class VertexPool
  32. {
  33. private List<float3> mVertices = new List<float3>();
  34. private Dictionary<float3, int> mIndices = new Dictionary<float3, int>();
  35. public int getIndex(float3 vtx)
  36. {
  37. int idx;
  38. if (mIndices.TryGetValue(vtx, out idx))
  39. return idx;
  40. idx = mVertices.Count;
  41. mVertices.Add(vtx);
  42. mIndices.Add(vtx, idx);
  43. return idx;
  44. }
  45. public float3 Get(int idx)
  46. {
  47. return mVertices[idx];
  48. }
  49. public int GetSize()
  50. {
  51. return mVertices.Count;
  52. }
  53. public List<float3> GetVertices()
  54. {
  55. return mVertices;
  56. }
  57. public void Clear()
  58. {
  59. mVertices.Clear();
  60. }
  61. }
  62. }