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Diffstat (limited to 'libs/assimp/code/PostProcessing/ProcessHelper.h')
| -rw-r--r-- | libs/assimp/code/PostProcessing/ProcessHelper.h | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/libs/assimp/code/PostProcessing/ProcessHelper.h b/libs/assimp/code/PostProcessing/ProcessHelper.h deleted file mode 100644 index 78df94c..0000000 --- a/libs/assimp/code/PostProcessing/ProcessHelper.h +++ /dev/null @@ -1,376 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, 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 -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#ifndef AI_PROCESS_HELPER_H_INCLUDED -#define AI_PROCESS_HELPER_H_INCLUDED - -#include <assimp/anim.h> -#include <assimp/material.h> -#include <assimp/mesh.h> -#include <assimp/postprocess.h> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> - -#include "Common/BaseProcess.h" -#include <assimp/ParsingUtils.h> -#include <assimp/SpatialSort.h> - -#include <list> - -// ------------------------------------------------------------------------------- -// Some extensions to std namespace. Mainly std::min and std::max for all -// flat data types in the aiScene. They're used to quickly determine the -// min/max bounds of data arrays. -#ifdef __cplusplus -namespace std { - -// std::min for aiVector3D -template <typename TReal> -inline ::aiVector3t<TReal> min(const ::aiVector3t<TReal> &a, const ::aiVector3t<TReal> &b) { - return ::aiVector3t<TReal>(min(a.x, b.x), min(a.y, b.y), min(a.z, b.z)); -} - -// std::max for aiVector3t<TReal> -template <typename TReal> -inline ::aiVector3t<TReal> max(const ::aiVector3t<TReal> &a, const ::aiVector3t<TReal> &b) { - return ::aiVector3t<TReal>(max(a.x, b.x), max(a.y, b.y), max(a.z, b.z)); -} - -// std::min for aiVector2t<TReal> -template <typename TReal> -inline ::aiVector2t<TReal> min(const ::aiVector2t<TReal> &a, const ::aiVector2t<TReal> &b) { - return ::aiVector2t<TReal>(min(a.x, b.x), min(a.y, b.y)); -} - -// std::max for aiVector2t<TReal> -template <typename TReal> -inline ::aiVector2t<TReal> max(const ::aiVector2t<TReal> &a, const ::aiVector2t<TReal> &b) { - return ::aiVector2t<TReal>(max(a.x, b.x), max(a.y, b.y)); -} - -// std::min for aiColor4D -template <typename TReal> -inline ::aiColor4t<TReal> min(const ::aiColor4t<TReal> &a, const ::aiColor4t<TReal> &b) { - return ::aiColor4t<TReal>(min(a.r, b.r), min(a.g, b.g), min(a.b, b.b), min(a.a, b.a)); -} - -// std::max for aiColor4D -template <typename TReal> -inline ::aiColor4t<TReal> max(const ::aiColor4t<TReal> &a, const ::aiColor4t<TReal> &b) { - return ::aiColor4t<TReal>(max(a.r, b.r), max(a.g, b.g), max(a.b, b.b), max(a.a, b.a)); -} - -// std::min for aiQuaterniont<TReal> -template <typename TReal> -inline ::aiQuaterniont<TReal> min(const ::aiQuaterniont<TReal> &a, const ::aiQuaterniont<TReal> &b) { - return ::aiQuaterniont<TReal>(min(a.w, b.w), min(a.x, b.x), min(a.y, b.y), min(a.z, b.z)); -} - -// std::max for aiQuaterniont<TReal> -template <typename TReal> -inline ::aiQuaterniont<TReal> max(const ::aiQuaterniont<TReal> &a, const ::aiQuaterniont<TReal> &b) { - return ::aiQuaterniont<TReal>(max(a.w, b.w), max(a.x, b.x), max(a.y, b.y), max(a.z, b.z)); -} - -// std::min for aiVectorKey -inline ::aiVectorKey min(const ::aiVectorKey &a, const ::aiVectorKey &b) { - return ::aiVectorKey(min(a.mTime, b.mTime), min(a.mValue, b.mValue)); -} - -// std::max for aiVectorKey -inline ::aiVectorKey max(const ::aiVectorKey &a, const ::aiVectorKey &b) { - return ::aiVectorKey(max(a.mTime, b.mTime), max(a.mValue, b.mValue)); -} - -// std::min for aiQuatKey -inline ::aiQuatKey min(const ::aiQuatKey &a, const ::aiQuatKey &b) { - return ::aiQuatKey(min(a.mTime, b.mTime), min(a.mValue, b.mValue)); -} - -// std::max for aiQuatKey -inline ::aiQuatKey max(const ::aiQuatKey &a, const ::aiQuatKey &b) { - return ::aiQuatKey(max(a.mTime, b.mTime), max(a.mValue, b.mValue)); -} - -// std::min for aiVertexWeight -inline ::aiVertexWeight min(const ::aiVertexWeight &a, const ::aiVertexWeight &b) { - return ::aiVertexWeight(min(a.mVertexId, b.mVertexId),static_cast<ai_real>(min(a.mWeight, b.mWeight))); -} - -// std::max for aiVertexWeight -inline ::aiVertexWeight max(const ::aiVertexWeight &a, const ::aiVertexWeight &b) { - return ::aiVertexWeight(max(a.mVertexId, b.mVertexId), static_cast<ai_real>(max(a.mWeight, b.mWeight))); -} - -} // end namespace std -#endif // !! C++ - -namespace Assimp { - -// ------------------------------------------------------------------------------- -// Start points for ArrayBounds<T> for all supported Ts -template <typename T> -struct MinMaxChooser; - -template <> -struct MinMaxChooser<float> { - void operator()(float &min, float &max) { - max = -1e10f; - min = 1e10f; - } -}; -template <> -struct MinMaxChooser<double> { - void operator()(double &min, double &max) { - max = -1e10; - min = 1e10; - } -}; -template <> -struct MinMaxChooser<unsigned int> { - void operator()(unsigned int &min, unsigned int &max) { - max = 0; - min = (1u << (sizeof(unsigned int) * 8 - 1)); - } -}; - -template <typename T> -struct MinMaxChooser<aiVector3t<T>> { - void operator()(aiVector3t<T> &min, aiVector3t<T> &max) { - max = aiVector3t<T>(-1e10f, -1e10f, -1e10f); - min = aiVector3t<T>(1e10f, 1e10f, 1e10f); - } -}; -template <typename T> -struct MinMaxChooser<aiVector2t<T>> { - void operator()(aiVector2t<T> &min, aiVector2t<T> &max) { - max = aiVector2t<T>(-1e10f, -1e10f); - min = aiVector2t<T>(1e10f, 1e10f); - } -}; -template <typename T> -struct MinMaxChooser<aiColor4t<T>> { - void operator()(aiColor4t<T> &min, aiColor4t<T> &max) { - max = aiColor4t<T>(-1e10f, -1e10f, -1e10f, -1e10f); - min = aiColor4t<T>(1e10f, 1e10f, 1e10f, 1e10f); - } -}; - -template <typename T> -struct MinMaxChooser<aiQuaterniont<T>> { - void operator()(aiQuaterniont<T> &min, aiQuaterniont<T> &max) { - max = aiQuaterniont<T>(-1e10f, -1e10f, -1e10f, -1e10f); - min = aiQuaterniont<T>(1e10f, 1e10f, 1e10f, 1e10f); - } -}; - -template <> -struct MinMaxChooser<aiVectorKey> { - void operator()(aiVectorKey &min, aiVectorKey &max) { - MinMaxChooser<double>()(min.mTime, max.mTime); - MinMaxChooser<aiVector3D>()(min.mValue, max.mValue); - } -}; -template <> -struct MinMaxChooser<aiQuatKey> { - void operator()(aiQuatKey &min, aiQuatKey &max) { - MinMaxChooser<double>()(min.mTime, max.mTime); - MinMaxChooser<aiQuaternion>()(min.mValue, max.mValue); - } -}; - -template <> -struct MinMaxChooser<aiVertexWeight> { - void operator()(aiVertexWeight &min, aiVertexWeight &max) { - MinMaxChooser<unsigned int>()(min.mVertexId, max.mVertexId); - MinMaxChooser<ai_real>()(min.mWeight, max.mWeight); - } -}; - -// ------------------------------------------------------------------------------- -/** @brief Find the min/max values of an array of Ts - * @param in Input array - * @param size Number of elements to process - * @param[out] min minimum value - * @param[out] max maximum value - */ -template <typename T> -inline void ArrayBounds(const T *in, unsigned int size, T &min, T &max) { - MinMaxChooser<T>()(min, max); - for (unsigned int i = 0; i < size; ++i) { - min = std::min(in[i], min); - max = std::max(in[i], max); - } -} - -// ------------------------------------------------------------------------------- -/** Little helper function to calculate the quadratic difference - * of two colors. - * @param pColor1 First color - * @param pColor2 second color - * @return Quadratic color difference */ -inline ai_real GetColorDifference(const aiColor4D &pColor1, const aiColor4D &pColor2) { - const aiColor4D c(pColor1.r - pColor2.r, pColor1.g - pColor2.g, pColor1.b - pColor2.b, pColor1.a - pColor2.a); - return c.r * c.r + c.g * c.g + c.b * c.b + c.a * c.a; -} - -// ------------------------------------------------------------------------------- -/** @brief Extract single strings from a list of identifiers - * @param in Input string list. - * @param out Receives a list of clean output strings - * @sdee #AI_CONFIG_PP_OG_EXCLUDE_LIST */ -void ConvertListToStrings(const std::string &in, std::list<std::string> &out); - -// ------------------------------------------------------------------------------- -/** @brief Compute the AABB of a mesh after applying a given transform - * @param mesh Input mesh - * @param[out] min Receives minimum transformed vertex - * @param[out] max Receives maximum transformed vertex - * @param m Transformation matrix to be applied */ -void FindAABBTransformed(const aiMesh *mesh, aiVector3D &min, aiVector3D &max, const aiMatrix4x4 &m); - -// ------------------------------------------------------------------------------- -/** @brief Helper function to determine the 'real' center of a mesh - * - * That is the center of its axis-aligned bounding box. - * @param mesh Input mesh - * @param[out] min Minimum vertex of the mesh - * @param[out] max maximum vertex of the mesh - * @param[out] out Center point */ -void FindMeshCenter(aiMesh *mesh, aiVector3D &out, aiVector3D &min, aiVector3D &max); - -// ------------------------------------------------------------------------------- -/** @brief Helper function to determine the 'real' center of a scene - * - * That is the center of its axis-aligned bounding box. - * @param scene Input scene - * @param[out] min Minimum vertex of the scene - * @param[out] max maximum vertex of the scene - * @param[out] out Center point */ -void FindSceneCenter(aiScene *scene, aiVector3D &out, aiVector3D &min, aiVector3D &max); - -// ------------------------------------------------------------------------------- -// Helper function to determine the 'real' center of a mesh after applying a given transform -void FindMeshCenterTransformed(aiMesh *mesh, aiVector3D &out, aiVector3D &min, aiVector3D &max, const aiMatrix4x4 &m); - -// ------------------------------------------------------------------------------- -// Helper function to determine the 'real' center of a mesh -void FindMeshCenter(aiMesh *mesh, aiVector3D &out); - -// ------------------------------------------------------------------------------- -// Helper function to determine the 'real' center of a mesh after applying a given transform -void FindMeshCenterTransformed(aiMesh *mesh, aiVector3D &out, const aiMatrix4x4 &m); - -// ------------------------------------------------------------------------------- -// Compute a good epsilon value for position comparisons on a mesh -ai_real ComputePositionEpsilon(const aiMesh *pMesh); - -// ------------------------------------------------------------------------------- -// Compute a good epsilon value for position comparisons on a array of meshes -ai_real ComputePositionEpsilon(const aiMesh *const *pMeshes, size_t num); - -// ------------------------------------------------------------------------------- -// Compute an unique value for the vertex format of a mesh -unsigned int GetMeshVFormatUnique(const aiMesh *pcMesh); - -// defs for ComputeVertexBoneWeightTable() -using PerVertexWeight = std::pair<unsigned int, float>; -using VertexWeightTable = std::vector<PerVertexWeight>; - -// ------------------------------------------------------------------------------- -// Compute a per-vertex bone weight table -VertexWeightTable *ComputeVertexBoneWeightTable(const aiMesh *pMesh); - -// ------------------------------------------------------------------------------- -// Get a string for a given aiTextureMapping -const char *MappingTypeToString(aiTextureMapping in); - -// flags for MakeSubmesh() -#define AI_SUBMESH_FLAGS_SANS_BONES 0x1 - -// ------------------------------------------------------------------------------- -// Split a mesh given a list of faces to be contained in the sub mesh -aiMesh *MakeSubmesh(const aiMesh *superMesh, const std::vector<unsigned int> &subMeshFaces, unsigned int subFlags); - -// ------------------------------------------------------------------------------- -// Utility post-process step to share the spatial sort tree between -// all steps which use it to speedup its computations. -class ComputeSpatialSortProcess : public BaseProcess { - bool IsActive(unsigned int pFlags) const { - return nullptr != shared && 0 != (pFlags & (aiProcess_CalcTangentSpace | - aiProcess_GenNormals | aiProcess_JoinIdenticalVertices)); - } - - void Execute(aiScene *pScene) { - typedef std::pair<SpatialSort, ai_real> _Type; - ASSIMP_LOG_DEBUG("Generate spatially-sorted vertex cache"); - - std::vector<_Type> *p = new std::vector<_Type>(pScene->mNumMeshes); - std::vector<_Type>::iterator it = p->begin(); - - for (unsigned int i = 0; i < pScene->mNumMeshes; ++i, ++it) { - aiMesh *mesh = pScene->mMeshes[i]; - _Type &blubb = *it; - blubb.first.Fill(mesh->mVertices, mesh->mNumVertices, sizeof(aiVector3D)); - blubb.second = ComputePositionEpsilon(mesh); - } - - shared->AddProperty(AI_SPP_SPATIAL_SORT, p); - } -}; - -// ------------------------------------------------------------------------------- -// ... and the same again to cleanup the whole stuff -class DestroySpatialSortProcess : public BaseProcess { - bool IsActive(unsigned int pFlags) const { - return nullptr != shared && 0 != (pFlags & (aiProcess_CalcTangentSpace | - aiProcess_GenNormals | aiProcess_JoinIdenticalVertices)); - } - - void Execute(aiScene * /*pScene*/) { - shared->RemoveProperty(AI_SPP_SPATIAL_SORT); - } -}; - -} // namespace Assimp - -#endif // !! AI_PROCESS_HELPER_H_INCLUDED |