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Diffstat (limited to '3rdparty/assimp/code/GenFaceNormalsProcess.cpp')
-rw-r--r-- | 3rdparty/assimp/code/GenFaceNormalsProcess.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/3rdparty/assimp/code/GenFaceNormalsProcess.cpp b/3rdparty/assimp/code/GenFaceNormalsProcess.cpp deleted file mode 100644 index f4baca6a..00000000 --- a/3rdparty/assimp/code/GenFaceNormalsProcess.cpp +++ /dev/null @@ -1,138 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (ASSIMP) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2010, ASSIMP Development 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 Development 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 Implementation of the post processing step to generate face -* normals for all imported faces. -*/ - -#include "AssimpPCH.h" -#include "GenFaceNormalsProcess.h" - - -using namespace Assimp; - -// ------------------------------------------------------------------------------------------------ -// Constructor to be privately used by Importer -GenFaceNormalsProcess::GenFaceNormalsProcess() -{ - // nothing to do here -} - -// ------------------------------------------------------------------------------------------------ -// Destructor, private as well -GenFaceNormalsProcess::~GenFaceNormalsProcess() -{ - // nothing to do here -} - -// ------------------------------------------------------------------------------------------------ -// Returns whether the processing step is present in the given flag field. -bool GenFaceNormalsProcess::IsActive( unsigned int pFlags) const -{ - return (pFlags & aiProcess_GenNormals) != 0; -} - -// ------------------------------------------------------------------------------------------------ -// Executes the post processing step on the given imported data. -void GenFaceNormalsProcess::Execute( aiScene* pScene) -{ - DefaultLogger::get()->debug("GenFaceNormalsProcess begin"); - - if (pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) { - throw DeadlyImportError("Post-processing order mismatch: expecting pseudo-indexed (\"verbose\") vertices here"); - } - - bool bHas = false; - for ( unsigned int a = 0; a < pScene->mNumMeshes; a++) { - if (this->GenMeshFaceNormals( pScene->mMeshes[a])) { - bHas = true; - } - } - if (bHas) { - DefaultLogger::get()->info("GenFaceNormalsProcess finished. " - "Face normals have been calculated"); - } - else DefaultLogger::get()->debug("GenFaceNormalsProcess finished. " - "Normals are already there"); -} - -// ------------------------------------------------------------------------------------------------ -// Executes the post processing step on the given imported data. -bool GenFaceNormalsProcess::GenMeshFaceNormals (aiMesh* pMesh) -{ - if (NULL != pMesh->mNormals) { - return false; - } - - // If the mesh consists of lines and/or points but not of - // triangles or higher-order polygons the normal vectors - // are undefined. - if (!(pMesh->mPrimitiveTypes & (aiPrimitiveType_TRIANGLE | aiPrimitiveType_POLYGON))) { - DefaultLogger::get()->info("Normal vectors are undefined for line and point meshes"); - return false; - } - - // allocate an array to hold the output normals - pMesh->mNormals = new aiVector3D[pMesh->mNumVertices]; - const float qnan = get_qnan(); - - // iterate through all faces and compute per-face normals but store them per-vertex. - for ( unsigned int a = 0; a < pMesh->mNumFaces; a++) { - const aiFace& face = pMesh->mFaces[a]; - if (face.mNumIndices < 3) { - // either a point or a line -> no well-defined normal vector - for (unsigned int i = 0;i < face.mNumIndices;++i) { - pMesh->mNormals[face.mIndices[i]] = qnan; - } - continue; - } - - const aiVector3D* pV1 = &pMesh->mVertices[face.mIndices[0]]; - const aiVector3D* pV2 = &pMesh->mVertices[face.mIndices[1]]; - const aiVector3D* pV3 = &pMesh->mVertices[face.mIndices[face.mNumIndices-1]]; - aiVector3D vNor = ((*pV2 - *pV1) ^ (*pV3 - *pV1)).Normalize(); - - for (unsigned int i = 0;i < face.mNumIndices;++i) { - pMesh->mNormals[face.mIndices[i]] = vNor; - } - } - return true; -} |