1 /*

2 Open Asset Import Library (assimp)

3 ----------------------------------------------------------------------

4

5 Copyright (c) 2006-2012, assimp team

6 All rights reserved.

7

8 Redistribution and use of this software in source and binary forms,

9 with or without modification, are permitted provided that the

10 following conditions are met:

11

12 * Redistributions of source code must retain the above

13 copyright notice, this list of conditions and the

14 following disclaimer.

15

16 * Redistributions in binary form must reproduce the above

17 copyright notice, this list of conditions and the

18 following disclaimer in the documentation and/or other

19 materials provided with the distribution.

20

21 * Neither the name of the assimp team, nor the names of its

22 contributors may be used to endorse or promote products

23 derived from this software without specific prior

24 written permission of the assimp team.

25

26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

37

38 ----------------------------------------------------------------------

39 */

40

41 /** @file Defines a post processing step to compute face normals for all loaded faces*/

42 #ifndef AI_GENFACENORMALPROCESS_H_INC

43 #define AI_GENFACENORMALPROCESS_H_INC

44

45 #include "BaseProcess.h"

46 #include "assimp/mesh.h"

47

48 namespace Assimp

49 {

50

51 // ---------------------------------------------------------------------------

52 /** The GenFaceNormalsProcess computes face normals for all faces of all meshes

53 */

54 class ASSIMP_API_WINONLY GenFaceNormalsProcess : public BaseProcess

55 {

56 public:

57

58 GenFaceNormalsProcess();

59 ~GenFaceNormalsProcess();

60

61 public:

62 // -------------------------------------------------------------------

63 /** Returns whether the processing step is present in the given flag field.

64 * @param pFlags The processing flags the importer was called with. A bitwise

65 * combination of #aiPostProcessSteps.

66 * @return true if the process is present in this flag fields, false if not.

67 */

68 bool IsActive( unsigned int pFlags) const;

69

70 // -------------------------------------------------------------------

71 /** Executes the post processing step on the given imported data.

72 * At the moment a process is not supposed to fail.

73 * @param pScene The imported data to work at.

74 */

75 void Execute( aiScene* pScene);

76

77

78 private:

79 bool GenMeshFaceNormals (aiMesh* pcMesh);

80 };

81

82 } // end of namespace Assimp

83

84 #endif // !!AI_GENFACENORMALPROCESS_H_INC