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1 /*
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2 Open Asset Import Library (assimp)
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3 ----------------------------------------------------------------------
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4
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5 Copyright (c) 2006-2018, assimp team
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6
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7
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8 All rights reserved.
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9
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10 Redistribution and use of this software in source and binary forms,
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11 with or without modification, are permitted provided that the
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12 following conditions are met:
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13
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14 * Redistributions of source code must retain the above
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15 copyright notice, this list of conditions and the
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16 following disclaimer.
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17
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18 * Redistributions in binary form must reproduce the above
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19 copyright notice, this list of conditions and the
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20 following disclaimer in the documentation and/or other
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21 materials provided with the distribution.
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22
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23 * Neither the name of the assimp team, nor the names of its
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24 contributors may be used to endorse or promote products
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25 derived from this software without specific prior
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26 written permission of the assimp team.
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27
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28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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39
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40 ----------------------------------------------------------------------
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41 */
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42
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43 /** @file Stuff to deal with aiScene::mPrivate
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44 */
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45 #pragma once
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46 #ifndef AI_SCENEPRIVATE_H_INCLUDED
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47 #define AI_SCENEPRIVATE_H_INCLUDED
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48
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49 #include <miniassimp/ai_assert.h>
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50 #include <miniassimp/scene.h>
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51
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52 namespace Assimp {
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53
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54 // Forward declarations
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55 class Importer;
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56
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57 struct ScenePrivateData {
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58 // The struct constructor.
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59 ScenePrivateData() AI_NO_EXCEPT;
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60
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61 // Importer that originally loaded the scene though the C-API
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62 // If set, this object is owned by this private data instance.
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63 Assimp::Importer* mOrigImporter;
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64
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65 // List of post-processing steps already applied to the scene.
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66 unsigned int mPPStepsApplied;
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67
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68 // true if the scene is a copy made with aiCopyScene()
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69 // or the corresponding C++ API. This means that user code
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70 // may have made modifications to it, so mPPStepsApplied
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71 // and mOrigImporter are no longer safe to rely on and only
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72 // serve informative purposes.
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73 bool mIsCopy;
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74 };
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75
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76 inline
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77 ScenePrivateData::ScenePrivateData() AI_NO_EXCEPT
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78 : mOrigImporter( 0 )
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79 , mPPStepsApplied( 0 )
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80 , mIsCopy( false ) {
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81 // empty
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82 }
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83
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84 // Access private data stored in the scene
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85 inline
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86 ScenePrivateData* ScenePriv(aiScene* in) {
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87 ai_assert( 0 != in );
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88 if ( 0 == in ) {
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89 return 0;
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90 }
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91 return static_cast<ScenePrivateData*>(in->mPrivate);
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92 }
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93
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94 inline
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95 const ScenePrivateData* ScenePriv(const aiScene* in) {
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96 ai_assert( 0 != in );
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97 if ( 0 == in ) {
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98 return 0;
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99 }
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100 return static_cast<const ScenePrivateData*>(in->mPrivate);
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101 }
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102
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103 } // Namespace Assimp
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104
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105 #endif // AI_SCENEPRIVATE_H_INCLUDED
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