vrshoot
diff libs/assimp/SmoothingGroups.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 01 Feb 2014 19:58:19 +0200 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/SmoothingGroups.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,103 @@ 1.4 +/* 1.5 +Open Asset Import Library (assimp) 1.6 +---------------------------------------------------------------------- 1.7 + 1.8 +Copyright (c) 2006-2012, assimp team 1.9 +All rights reserved. 1.10 + 1.11 +Redistribution and use of this software in source and binary forms, 1.12 +with or without modification, are permitted provided that the 1.13 +following conditions are met: 1.14 + 1.15 +* Redistributions of source code must retain the above 1.16 + copyright notice, this list of conditions and the 1.17 + following disclaimer. 1.18 + 1.19 +* Redistributions in binary form must reproduce the above 1.20 + copyright notice, this list of conditions and the 1.21 + following disclaimer in the documentation and/or other 1.22 + materials provided with the distribution. 1.23 + 1.24 +* Neither the name of the assimp team, nor the names of its 1.25 + contributors may be used to endorse or promote products 1.26 + derived from this software without specific prior 1.27 + written permission of the assimp team. 1.28 + 1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.40 + 1.41 +---------------------------------------------------------------------- 1.42 +*/ 1.43 + 1.44 +/** @file Defines the helper data structures for importing 3DS files. 1.45 +http://www.jalix.org/ressources/graphics/3DS/_unofficials/3ds-unofficial.txt */ 1.46 + 1.47 +#ifndef AI_SMOOTHINGGROUPS_H_INC 1.48 +#define AI_SMOOTHINGGROUPS_H_INC 1.49 + 1.50 +// --------------------------------------------------------------------------- 1.51 +/** Helper structure representing a face with smoothing groups assigned */ 1.52 +struct FaceWithSmoothingGroup 1.53 +{ 1.54 + FaceWithSmoothingGroup() : iSmoothGroup(0) 1.55 + { 1.56 + // let the rest uninitialized for performance - in release builds. 1.57 + // in debug builds set all indices to a common magic value 1.58 +#ifdef _DEBUG 1.59 + this->mIndices[0] = 0xffffffff; 1.60 + this->mIndices[1] = 0xffffffff; 1.61 + this->mIndices[2] = 0xffffffff; 1.62 +#endif 1.63 + } 1.64 + 1.65 + 1.66 + //! Indices. .3ds is using uint16. However, after 1.67 + //! an unique vrtex set has been generated, 1.68 + //! individual index values might exceed 2^16 1.69 + uint32_t mIndices[3]; 1.70 + 1.71 + //! specifies to which smoothing group the face belongs to 1.72 + uint32_t iSmoothGroup; 1.73 +}; 1.74 + 1.75 +// --------------------------------------------------------------------------- 1.76 +/** Helper structure representing a mesh whose faces have smoothing 1.77 + groups assigned. This allows us to reuse the code for normal computations 1.78 + from smoothings groups for several loaders (3DS, ASE). All of them 1.79 + use face structures which inherit from #FaceWithSmoothingGroup, 1.80 + but as they add extra members and need to be copied by value we 1.81 + need to use a template here. 1.82 + */ 1.83 +template <class T> 1.84 +struct MeshWithSmoothingGroups 1.85 +{ 1.86 + //! Vertex positions 1.87 + std::vector<aiVector3D> mPositions; 1.88 + 1.89 + //! Face lists 1.90 + std::vector<T> mFaces; 1.91 + 1.92 + //! List of normal vectors 1.93 + std::vector<aiVector3D> mNormals; 1.94 +}; 1.95 + 1.96 +// --------------------------------------------------------------------------- 1.97 +/** Computes normal vectors for the mesh 1.98 + */ 1.99 +template <class T> 1.100 +void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh); 1.101 + 1.102 + 1.103 +// include implementations 1.104 +#include "SmoothingGroups.inl" 1.105 + 1.106 +#endif // !! AI_SMOOTHINGGROUPS_H_INC