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Diffstat (limited to 'src/mesh/assimp-master/include/assimp/SmoothingGroups.inl')
-rw-r--r-- | src/mesh/assimp-master/include/assimp/SmoothingGroups.inl | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/mesh/assimp-master/include/assimp/SmoothingGroups.inl b/src/mesh/assimp-master/include/assimp/SmoothingGroups.inl deleted file mode 100644 index d5fff5b..0000000 --- a/src/mesh/assimp-master/include/assimp/SmoothingGroups.inl +++ /dev/null @@ -1,141 +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. ---------------------------------------------------------------------------- -*/ - -/** @file Generation of normal vectors basing on smoothing groups */ - -#pragma once -#ifndef AI_SMOOTHINGGROUPS_INL_INCLUDED -#define AI_SMOOTHINGGROUPS_INL_INCLUDED - -#ifdef __GNUC__ -# pragma GCC system_header -#endif - -#include <assimp/SGSpatialSort.h> - -#include <algorithm> - -using namespace Assimp; - -// ------------------------------------------------------------------------------------------------ -template <class T> -void ComputeNormalsWithSmoothingsGroups(MeshWithSmoothingGroups<T>& sMesh) -{ - // First generate face normals - sMesh.mNormals.resize(sMesh.mPositions.size(),aiVector3D()); - for( unsigned int a = 0; a < sMesh.mFaces.size(); a++) - { - T& face = sMesh.mFaces[a]; - - aiVector3D* pV1 = &sMesh.mPositions[face.mIndices[0]]; - aiVector3D* pV2 = &sMesh.mPositions[face.mIndices[1]]; - aiVector3D* pV3 = &sMesh.mPositions[face.mIndices[2]]; - - aiVector3D pDelta1 = *pV2 - *pV1; - aiVector3D pDelta2 = *pV3 - *pV1; - aiVector3D vNor = pDelta1 ^ pDelta2; - - for (unsigned int c = 0; c < 3;++c) - sMesh.mNormals[face.mIndices[c]] = vNor; - } - - // calculate the position bounds so we have a reliable epsilon to check position differences against - aiVector3D minVec( 1e10f, 1e10f, 1e10f), maxVec( -1e10f, -1e10f, -1e10f); - for( unsigned int a = 0; a < sMesh.mPositions.size(); a++) - { - minVec.x = std::min( minVec.x, sMesh.mPositions[a].x); - minVec.y = std::min( minVec.y, sMesh.mPositions[a].y); - minVec.z = std::min( minVec.z, sMesh.mPositions[a].z); - maxVec.x = std::max( maxVec.x, sMesh.mPositions[a].x); - maxVec.y = std::max( maxVec.y, sMesh.mPositions[a].y); - maxVec.z = std::max( maxVec.z, sMesh.mPositions[a].z); - } - const float posEpsilon = (maxVec - minVec).Length() * 1e-5f; - std::vector<aiVector3D> avNormals; - avNormals.resize(sMesh.mNormals.size()); - - // now generate the spatial sort tree - SGSpatialSort sSort; - for( typename std::vector<T>::iterator i = sMesh.mFaces.begin(); - i != sMesh.mFaces.end();++i) - { - for (unsigned int c = 0; c < 3;++c) - sSort.Add(sMesh.mPositions[(*i).mIndices[c]],(*i).mIndices[c],(*i).iSmoothGroup); - } - sSort.Prepare(); - - std::vector<bool> vertexDone(sMesh.mPositions.size(),false); - for( typename std::vector<T>::iterator i = sMesh.mFaces.begin(); - i != sMesh.mFaces.end();++i) - { - std::vector<unsigned int> poResult; - for (unsigned int c = 0; c < 3;++c) - { - unsigned int idx = (*i).mIndices[c]; - if (vertexDone[idx])continue; - - sSort.FindPositions(sMesh.mPositions[idx],(*i).iSmoothGroup, - posEpsilon,poResult); - - aiVector3D vNormals; - for (std::vector<unsigned int>::const_iterator - a = poResult.begin(); - a != poResult.end();++a) - { - vNormals += sMesh.mNormals[(*a)]; - } - vNormals.NormalizeSafe(); - - // write back into all affected normals - for (std::vector<unsigned int>::const_iterator - a = poResult.begin(); - a != poResult.end();++a) - { - idx = *a; - avNormals [idx] = vNormals; - vertexDone[idx] = true; - } - } - } - sMesh.mNormals = avNormals; -} - -#endif // !! AI_SMOOTHINGGROUPS_INL_INCLUDED |