GenFaceNormalsProcess.h 3.1 KB

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  1. /*
  2. Open Asset Import Library (assimp)
  3. ----------------------------------------------------------------------
  4. Copyright (c) 2006-2020, assimp team
  5. All rights reserved.
  6. Redistribution and use of this software in source and binary forms,
  7. with or without modification, are permitted provided that the
  8. following conditions are met:
  9. * Redistributions of source code must retain the above
  10. copyright notice, this list of conditions and the
  11. following disclaimer.
  12. * Redistributions in binary form must reproduce the above
  13. copyright notice, this list of conditions and the
  14. following disclaimer in the documentation and/or other
  15. materials provided with the distribution.
  16. * Neither the name of the assimp team, nor the names of its
  17. contributors may be used to endorse or promote products
  18. derived from this software without specific prior
  19. written permission of the assimp team.
  20. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31. ----------------------------------------------------------------------
  32. */
  33. /** @file Defines a post processing step to compute face normals for all loaded faces*/
  34. #ifndef AI_GENFACENORMALPROCESS_H_INC
  35. #define AI_GENFACENORMALPROCESS_H_INC
  36. #include "Common/BaseProcess.h"
  37. #include <assimp/mesh.h>
  38. namespace Assimp
  39. {
  40. // ---------------------------------------------------------------------------
  41. /** The GenFaceNormalsProcess computes face normals for all faces of all meshes
  42. */
  43. class ASSIMP_API_WINONLY GenFaceNormalsProcess : public BaseProcess
  44. {
  45. public:
  46. GenFaceNormalsProcess();
  47. ~GenFaceNormalsProcess();
  48. public:
  49. // -------------------------------------------------------------------
  50. /** Returns whether the processing step is present in the given flag field.
  51. * @param pFlags The processing flags the importer was called with. A bitwise
  52. * combination of #aiPostProcessSteps.
  53. * @return true if the process is present in this flag fields, false if not.
  54. */
  55. bool IsActive( unsigned int pFlags) const;
  56. // -------------------------------------------------------------------
  57. /** Executes the post processing step on the given imported data.
  58. * At the moment a process is not supposed to fail.
  59. * @param pScene The imported data to work at.
  60. */
  61. void Execute( aiScene* pScene);
  62. private:
  63. bool GenMeshFaceNormals(aiMesh* pcMesh);
  64. mutable bool force_ = false;
  65. };
  66. } // end of namespace Assimp
  67. #endif // !!AI_GENFACENORMALPROCESS_H_INC