| /* |
| Open Asset Import Library (assimp) |
| ---------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
| All rights reserved. |
| |
| Redistribution and use of this software in source and binary forms, |
| with or without modification, are permitted provided that the |
| following conditions are met: |
| |
| * Redistributions of source code must retain the above |
| copyright notice, this list of conditions and the |
| following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| * Neither the name of the assimp team, nor the names of its |
| contributors may be used to endorse or promote products |
| derived from this software without specific prior |
| written permission of the assimp team. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| ---------------------------------------------------------------------- |
| */ |
| |
| /** @file Defines the helper data structures for importing 3DS files. |
| http://www.jalix.org/ressources/graphics/3DS/_unofficials/3ds-unofficial.txt */ |
| |
| #ifndef AI_SMOOTHINGGROUPS_H_INC |
| #define AI_SMOOTHINGGROUPS_H_INC |
| |
| #include <assimp/vector3.h> |
| #include <stdint.h> |
| #include <vector> |
| |
| // --------------------------------------------------------------------------- |
| /** Helper structure representing a face with smoothing groups assigned */ |
| struct FaceWithSmoothingGroup |
| { |
| FaceWithSmoothingGroup() |
| : mIndices(), |
| iSmoothGroup(0) |
| { |
| // in debug builds set all indices to a common magic value |
| #ifdef ASSIMP_BUILD_DEBUG |
| this->mIndices[0] = 0xffffffff; |
| this->mIndices[1] = 0xffffffff; |
| this->mIndices[2] = 0xffffffff; |
| #endif |
| } |
| |
| |
| //! Indices. .3ds is using uint16. However, after |
| //! an unique vertex set has been generated, |
| //! individual index values might exceed 2^16 |
| uint32_t mIndices[3]; |
| |
| //! specifies to which smoothing group the face belongs to |
| uint32_t iSmoothGroup; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| /** Helper structure representing a mesh whose faces have smoothing |
| groups assigned. This allows us to reuse the code for normal computations |
| from smoothings groups for several loaders (3DS, ASE). All of them |
| use face structures which inherit from #FaceWithSmoothingGroup, |
| but as they add extra members and need to be copied by value we |
| need to use a template here. |
| */ |
| template <class T> |
| struct MeshWithSmoothingGroups |
| { |
| //! Vertex positions |
| std::vector<aiVector3D> mPositions; |
| |
| //! Face lists |
| std::vector<T> mFaces; |
| |
| //! List of normal vectors |
| std::vector<aiVector3D> mNormals; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| /** Computes normal vectors for the mesh |
| */ |
| template <class T> |
| void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh); |
| |
| |
| // include implementations |
| #include "SmoothingGroups.inl" |
| |
| #endif // !! AI_SMOOTHINGGROUPS_H_INC |