diff options
Diffstat (limited to 'src/3rdparty/assimp/code/OFFLoader.cpp')
-rw-r--r-- | src/3rdparty/assimp/code/OFFLoader.cpp | 335 |
1 files changed, 182 insertions, 153 deletions
diff --git a/src/3rdparty/assimp/code/OFFLoader.cpp b/src/3rdparty/assimp/code/OFFLoader.cpp index 1741cbf76..fd0542fdf 100644 --- a/src/3rdparty/assimp/code/OFFLoader.cpp +++ b/src/3rdparty/assimp/code/OFFLoader.cpp @@ -3,12 +3,12 @@ Open Asset Import Library (assimp) --------------------------------------------------------------------------- -Copyright (c) 2006-2012, assimp team +Copyright (c) 2006-2016, 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 +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 @@ -25,46 +25,50 @@ conditions are met: 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 +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 +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 +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 +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 OFFLoader.cpp - * @brief Implementation of the OFF importer class + * @brief Implementation of the OFF importer class */ -#include "AssimpPCH.h" + #ifndef ASSIMP_BUILD_NO_OFF_IMPORTER // internal headers #include "OFFLoader.h" #include "ParsingUtils.h" #include "fast_atof.h" +#include <memory> +#include <assimp/IOSystem.hpp> +#include <assimp/scene.h> +#include <assimp/DefaultLogger.hpp> using namespace Assimp; static const aiImporterDesc desc = { - "OFF Importer", - "", - "", - "", - aiImporterFlags_SupportBinaryFlavour, - 0, - 0, - 0, - 0, - "off" + "OFF Importer", + "", + "", + "", + aiImporterFlags_SupportBinaryFlavour, + 0, + 0, + 0, + 0, + "off" }; // ------------------------------------------------------------------------------------------------ @@ -73,152 +77,177 @@ OFFImporter::OFFImporter() {} // ------------------------------------------------------------------------------------------------ -// Destructor, private as well +// Destructor, private as well OFFImporter::~OFFImporter() {} // ------------------------------------------------------------------------------------------------ -// Returns whether the class can handle the format of the given file. +// Returns whether the class can handle the format of the given file. bool OFFImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const { - const std::string extension = GetExtension(pFile); - - if (extension == "off") - return true; - else if (!extension.length() || checkSig) - { - if (!pIOHandler)return true; - const char* tokens[] = {"off"}; - return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); - } - return false; + const std::string extension = GetExtension(pFile); + + if (extension == "off") + return true; + else if (!extension.length() || checkSig) + { + if (!pIOHandler)return true; + const char* tokens[] = {"off"}; + return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); + } + return false; } // ------------------------------------------------------------------------------------------------ const aiImporterDesc* OFFImporter::GetInfo () const { - return &desc; + return &desc; } // ------------------------------------------------------------------------------------------------ -// Imports the given file into the given scene structure. -void OFFImporter::InternReadFile( const std::string& pFile, - aiScene* pScene, IOSystem* pIOHandler) +// Imports the given file into the given scene structure. +void OFFImporter::InternReadFile( const std::string& pFile, + aiScene* pScene, IOSystem* pIOHandler) { - boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile, "rb")); - - // Check whether we can read from the file - if( file.get() == NULL) { - throw DeadlyImportError( "Failed to open OFF file " + pFile + "."); - } - - // allocate storage and copy the contents of the file to a memory buffer - std::vector<char> mBuffer2; - TextFileToBuffer(file.get(),mBuffer2); - const char* buffer = &mBuffer2[0]; - - char line[4096]; - GetNextLine(buffer,line); - if ('O' == line[0]) { - GetNextLine(buffer,line); // skip the 'OFF' line - } - - const char* sz = line; SkipSpaces(&sz); - const unsigned int numVertices = strtoul10(sz,&sz);SkipSpaces(&sz); - const unsigned int numFaces = strtoul10(sz,&sz); - - pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes = 1 ]; - aiMesh* mesh = pScene->mMeshes[0] = new aiMesh(); - aiFace* faces = mesh->mFaces = new aiFace [mesh->mNumFaces = numFaces]; - - std::vector<aiVector3D> tempPositions(numVertices); - - // now read all vertex lines - for (unsigned int i = 0; i< numVertices;++i) - { - if(!GetNextLine(buffer,line)) - { - DefaultLogger::get()->error("OFF: The number of verts in the header is incorrect"); - break; - } - aiVector3D& v = tempPositions[i]; - - sz = line; SkipSpaces(&sz); - sz = fast_atoreal_move<float>(sz,(float&)v.x); SkipSpaces(&sz); - sz = fast_atoreal_move<float>(sz,(float&)v.y); SkipSpaces(&sz); - fast_atoreal_move<float>(sz,(float&)v.z); - } - - - // First find out how many vertices we'll need - const char* old = buffer; - for (unsigned int i = 0; i< mesh->mNumFaces;++i) - { - if(!GetNextLine(buffer,line)) - { - DefaultLogger::get()->error("OFF: The number of faces in the header is incorrect"); - break; - } - sz = line;SkipSpaces(&sz); - if(!(faces->mNumIndices = strtoul10(sz,&sz)) || faces->mNumIndices > 9) - { - DefaultLogger::get()->error("OFF: Faces with zero indices aren't allowed"); - --mesh->mNumFaces; - continue; - } - mesh->mNumVertices += faces->mNumIndices; - ++faces; - } - - if (!mesh->mNumVertices) - throw DeadlyImportError("OFF: There are no valid faces"); - - // allocate storage for the output vertices - aiVector3D* verts = mesh->mVertices = new aiVector3D[mesh->mNumVertices]; - - // second: now parse all face indices - buffer = old;faces = mesh->mFaces; - for (unsigned int i = 0, p = 0; i< mesh->mNumFaces;) - { - if(!GetNextLine(buffer,line))break; - - unsigned int idx; - sz = line;SkipSpaces(&sz); - if(!(idx = strtoul10(sz,&sz)) || idx > 9) - continue; - - faces->mIndices = new unsigned int [faces->mNumIndices]; - for (unsigned int m = 0; m < faces->mNumIndices;++m) - { - SkipSpaces(&sz); - if ((idx = strtoul10(sz,&sz)) >= numVertices) - { - DefaultLogger::get()->error("OFF: Vertex index is out of range"); - idx = numVertices-1; - } - faces->mIndices[m] = p++; - *verts++ = tempPositions[idx]; - } - ++i; - ++faces; - } - - // generate the output node graph - pScene->mRootNode = new aiNode(); - pScene->mRootNode->mName.Set("<OFFRoot>"); - pScene->mRootNode->mMeshes = new unsigned int [pScene->mRootNode->mNumMeshes = 1]; - pScene->mRootNode->mMeshes[0] = 0; - - // generate a default material - pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials = 1]; - aiMaterial* pcMat = new aiMaterial(); - - aiColor4D clr(0.6f,0.6f,0.6f,1.0f); - pcMat->AddProperty(&clr,1,AI_MATKEY_COLOR_DIFFUSE); - pScene->mMaterials[0] = pcMat; - - const int twosided =1; - pcMat->AddProperty(&twosided,1,AI_MATKEY_TWOSIDED); + std::unique_ptr<IOStream> file( pIOHandler->Open( pFile, "rb")); + + // Check whether we can read from the file + if( file.get() == NULL) { + throw DeadlyImportError( "Failed to open OFF file " + pFile + "."); + } + + // allocate storage and copy the contents of the file to a memory buffer + std::vector<char> mBuffer2; + TextFileToBuffer(file.get(),mBuffer2); + const char* buffer = &mBuffer2[0]; + + char line[4096]; + GetNextLine(buffer,line); + if ('O' == line[0]) { + GetNextLine(buffer,line); // skip the 'OFF' line + } + + const char* sz = line; SkipSpaces(&sz); + const unsigned int numVertices = strtoul10(sz,&sz);SkipSpaces(&sz); + const unsigned int numFaces = strtoul10(sz,&sz); + + if (!numVertices) { + throw DeadlyImportError("OFF: There are no valid vertices"); + } + if (!numFaces) { + throw DeadlyImportError("OFF: There are no valid faces"); + } + + pScene->mNumMeshes = 1; + pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes ]; + + aiMesh* mesh = new aiMesh(); + pScene->mMeshes[0] = mesh; + + mesh->mNumFaces = numFaces; + aiFace* faces = new aiFace [mesh->mNumFaces]; + mesh->mFaces = faces; + + std::vector<aiVector3D> tempPositions(numVertices); + + // now read all vertex lines + for (unsigned int i = 0; i< numVertices;++i) + { + if(!GetNextLine(buffer,line)) + { + DefaultLogger::get()->error("OFF: The number of verts in the header is incorrect"); + break; + } + aiVector3D& v = tempPositions[i]; + + sz = line; SkipSpaces(&sz); + sz = fast_atoreal_move<float>(sz,(float&)v.x); SkipSpaces(&sz); + sz = fast_atoreal_move<float>(sz,(float&)v.y); SkipSpaces(&sz); + fast_atoreal_move<float>(sz,(float&)v.z); + } + + + // First find out how many vertices we'll need + const char* old = buffer; + for (unsigned int i = 0; i< mesh->mNumFaces;++i) + { + if(!GetNextLine(buffer,line)) + { + DefaultLogger::get()->error("OFF: The number of faces in the header is incorrect"); + break; + } + sz = line;SkipSpaces(&sz); + faces->mNumIndices = strtoul10(sz,&sz); + if(!(faces->mNumIndices) || faces->mNumIndices > 9) + { + DefaultLogger::get()->error("OFF: Faces with zero indices aren't allowed"); + --mesh->mNumFaces; + continue; + } + mesh->mNumVertices += faces->mNumIndices; + ++faces; + } + + if (!mesh->mNumVertices) + throw DeadlyImportError("OFF: There are no valid faces"); + + // allocate storage for the output vertices + std::vector<aiVector3D> verts; + verts.reserve(mesh->mNumVertices); + + // second: now parse all face indices + buffer = old; + faces = mesh->mFaces; + for (unsigned int i = 0, p = 0; i< mesh->mNumFaces;) + { + if(!GetNextLine(buffer,line))break; + + unsigned int idx; + sz = line;SkipSpaces(&sz); + idx = strtoul10(sz,&sz); + if(!(idx) || idx > 9) + continue; + + faces->mIndices = new unsigned int [faces->mNumIndices]; + for (unsigned int m = 0; m < faces->mNumIndices;++m) + { + SkipSpaces(&sz); + idx = strtoul10(sz,&sz); + if ((idx) >= numVertices) + { + DefaultLogger::get()->error("OFF: Vertex index is out of range"); + idx = numVertices-1; + } + faces->mIndices[m] = p++; + verts.push_back(tempPositions[idx]); + } + ++i; + ++faces; + } + + if (mesh->mNumVertices != verts.size()) { + throw DeadlyImportError("OFF: Vertex count mismatch"); + } + mesh->mVertices = new aiVector3D[verts.size()]; + memcpy(mesh->mVertices, &verts[0], verts.size() * sizeof(aiVector3D)); + // generate the output node graph + pScene->mRootNode = new aiNode(); + pScene->mRootNode->mName.Set("<OFFRoot>"); + pScene->mRootNode->mNumMeshes = 1; + pScene->mRootNode->mMeshes = new unsigned int [pScene->mRootNode->mNumMeshes]; + pScene->mRootNode->mMeshes[0] = 0; + + // generate a default material + pScene->mNumMaterials = 1; + pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials]; + aiMaterial* pcMat = new aiMaterial(); + + aiColor4D clr(0.6f,0.6f,0.6f,1.0f); + pcMat->AddProperty(&clr,1,AI_MATKEY_COLOR_DIFFUSE); + pScene->mMaterials[0] = pcMat; + + const int twosided =1; + pcMat->AddProperty(&twosided,1,AI_MATKEY_TWOSIDED); } #endif // !! ASSIMP_BUILD_NO_OFF_IMPORTER |