1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14 copyright notice, this list of conditions and the
15 following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18 copyright notice, this list of conditions and the
19 following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23 contributors may be used to endorse or promote products
24 derived from this software without specific prior
25 written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41
42/** @file Defines a post processing step to compute face normals for all loaded faces*/
43#ifndef AI_GENFACENORMALPROCESS_H_INC
44#define AI_GENFACENORMALPROCESS_H_INC
45
46#include "BaseProcess.h"
47#include <assimp/mesh.h>
48
49namespace Assimp
50{
51
52// ---------------------------------------------------------------------------
53/** The GenFaceNormalsProcess computes face normals for all faces of all meshes
54*/
55class ASSIMP_API_WINONLY GenFaceNormalsProcess : public BaseProcess
56{
57public:
58
59 GenFaceNormalsProcess();
60 ~GenFaceNormalsProcess();
61
62public:
63 // -------------------------------------------------------------------
64 /** Returns whether the processing step is present in the given flag field.
65 * @param pFlags The processing flags the importer was called with. A bitwise
66 * combination of #aiPostProcessSteps.
67 * @return true if the process is present in this flag fields, false if not.
68 */
69 bool IsActive( unsigned int pFlags) const;
70
71 // -------------------------------------------------------------------
72 /** Executes the post processing step on the given imported data.
73 * At the moment a process is not supposed to fail.
74 * @param pScene The imported data to work at.
75 */
76 void Execute( aiScene* pScene);
77
78
79private:
80 bool GenMeshFaceNormals (aiMesh* pcMesh);
81};
82
83} // end of namespace Assimp
84
85#endif // !!AI_GENFACENORMALPROCESS_H_INC
86