1 /*
2 Open Asset Import Library (assimp)
3 ----------------------------------------------------------------------
4 
5 Copyright (c) 2006-2017, assimp team
6 
7 All rights reserved.
8 
9 Redistribution and use of this software in source and binary forms,
10 with or without modification, are permitted provided that the
11 following conditions are met:
12 
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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 
27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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38 
39 ----------------------------------------------------------------------
40 */
41 
42 /** @file Stuff to deal with aiScene::mPrivate
43  */
44 #ifndef AI_SCENEPRIVATE_H_INCLUDED
45 #define AI_SCENEPRIVATE_H_INCLUDED
46 
47 #include <assimp/scene.h>
48 
49 namespace Assimp    {
50 
51 class Importer;
52 
53 struct ScenePrivateData {
54 
ScenePrivateDataScenePrivateData55     ScenePrivateData()
56         : mOrigImporter()
57         , mPPStepsApplied()
58         , mIsCopy()
59     {}
60 
61     // Importer that originally loaded the scene though the C-API
62     // If set, this object is owned by this private data instance.
63     Assimp::Importer* mOrigImporter;
64 
65     // List of post-processing steps already applied to the scene.
66     unsigned int mPPStepsApplied;
67 
68     // true if the scene is a copy made with aiCopyScene()
69     // or the corresponding C++ API. This means that user code
70     // may have made modifications to it, so mPPStepsApplied
71     // and mOrigImporter are no longer safe to rely on and only
72     // serve informative purposes.
73     bool mIsCopy;
74 };
75 
76 // Access private data stored in the scene
ScenePriv(aiScene * in)77 inline ScenePrivateData* ScenePriv(aiScene* in) {
78     return static_cast<ScenePrivateData*>(in->mPrivate);
79 }
80 
ScenePriv(const aiScene * in)81 inline const ScenePrivateData* ScenePriv(const aiScene* in) {
82     return static_cast<const ScenePrivateData*>(in->mPrivate);
83 }
84 
85 }
86 
87 #endif
88