RcAreaModification.cs 2.2 KB

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  1. /*
  2. Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
  3. recast4j copyright (c) 2015-2019 Piotr Piastucki piotr@jtilia.org
  4. DotRecast Copyright (c) 2023 Choi Ikpil ikpil@naver.com
  5. This software is provided 'as-is', without any express or implied
  6. warranty. In no event will the authors be held liable for any damages
  7. arising from the use of this software.
  8. Permission is granted to anyone to use this software for any purpose,
  9. including commercial applications, and to alter it and redistribute it
  10. freely, subject to the following restrictions:
  11. 1. The origin of this software must not be misrepresented; you must not
  12. claim that you wrote the original software. If you use this software
  13. in a product, an acknowledgment in the product documentation would be
  14. appreciated but is not required.
  15. 2. Altered source versions must be plainly marked as such, and must not be
  16. misrepresented as being the original software.
  17. 3. This notice may not be removed or altered from any source distribution.
  18. */
  19. namespace DotRecast.Recast
  20. {
  21. public class RcAreaModification
  22. {
  23. public const int RC_AREA_FLAGS_MASK = 0x3F;
  24. public readonly int Value;
  25. public readonly int Mask;
  26. /**
  27. * Mask is set to all available bits, which means value is fully applied
  28. *
  29. * @param value
  30. * The area id to apply. [Limit: <= #RC_AREA_FLAGS_MASK]
  31. */
  32. public RcAreaModification(int value)
  33. {
  34. Value = value;
  35. Mask = RC_AREA_FLAGS_MASK;
  36. }
  37. /**
  38. *
  39. * @param value
  40. * The area id to apply. [Limit: <= #RC_AREA_FLAGS_MASK]
  41. * @param mask
  42. * Bitwise mask used when applying value. [Limit: <= #RC_AREA_FLAGS_MASK]
  43. */
  44. public RcAreaModification(int value, int mask)
  45. {
  46. Value = value;
  47. Mask = mask;
  48. }
  49. public RcAreaModification(RcAreaModification other)
  50. {
  51. Value = other.Value;
  52. Mask = other.Mask;
  53. }
  54. public int GetMaskedValue()
  55. {
  56. return Value & Mask;
  57. }
  58. public int Apply(int area)
  59. {
  60. return ((Value & Mask) | (area & ~Mask));
  61. }
  62. }
  63. }