RevertSphere.cs 3.1 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSim Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using OpenSim.Region.Environment.Interfaces;
  29. namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
  30. {
  31. public class RevertSphere : ITerrainPaintableEffect
  32. {
  33. private readonly ITerrainChannel m_revertmap;
  34. public RevertSphere(ITerrainChannel revertmap)
  35. {
  36. m_revertmap = revertmap;
  37. }
  38. #region ITerrainPaintableEffect Members
  39. public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
  40. {
  41. strength = TerrainUtil.MetersToSphericalStrength(strength);
  42. duration = 0.03; //MCP Should be read from ini file
  43. if (duration > 1.0)
  44. duration = 1.0;
  45. if (duration < 0)
  46. return;
  47. int x;
  48. for (x = 0; x < map.Width; x++)
  49. {
  50. int y;
  51. for (y = 0; y < map.Height; y++)
  52. {
  53. if (!mask[x,y])
  54. continue;
  55. // Calculate a sphere and add it to the heighmap
  56. double z = strength;
  57. z *= z;
  58. z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
  59. if (z > 0.0)
  60. {
  61. z *= duration;
  62. map[x, y] = (map[x, y] * (1.0 - z)) + (m_revertmap[x, y] * z);
  63. }
  64. }
  65. }
  66. }
  67. #endregion
  68. }
  69. }