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view libs/assimp/FixNormalsStep.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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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
42 /** @file Defines a post processing step to fix infacing normals */
43 #ifndef AI_FIXNORMALSPROCESS_H_INC
44 #define AI_FIXNORMALSPROCESS_H_INC
45
46 #include "BaseProcess.h"
47
48 struct aiMesh;
49
50 namespace Assimp
51 {
52
53 // ---------------------------------------------------------------------------
54 /** The FixInfacingNormalsProcess tries to determine whether the normal
55 * vectors of an object are facing inwards. In this case they will be
56 * flipped.
57 */
58 class FixInfacingNormalsProcess : public BaseProcess
59 {
60 public:
61
62 FixInfacingNormalsProcess();
63 ~FixInfacingNormalsProcess();
64
65 public:
66 // -------------------------------------------------------------------
67 /** Returns whether the processing step is present in the given flag field.
68 * @param pFlags The processing flags the importer was called with. A bitwise
69 * combination of #aiPostProcessSteps.
70 * @return true if the process is present in this flag fields, false if not.
71 */
72 bool IsActive( unsigned int pFlags) const;
73
74 // -------------------------------------------------------------------
75 /** Executes the post processing step on the given imported data.
76 * At the moment a process is not supposed to fail.
77 * @param pScene The imported data to work at.
78 */
79 void Execute( aiScene* pScene);
80
81 protected:
82
83 // -------------------------------------------------------------------
84 /** Executes the step on the given mesh
85 * @param pMesh The mesh to process.
86 */
87 bool ProcessMesh( aiMesh* pMesh, unsigned int index);
88 };
89
90 } // end of namespace Assimp
91
92 #endif // AI_FIXNORMALSPROCESS_H_INC