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-rw-r--r--src/3rdparty/assimp/code/OFFLoader.cpp254
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diff --git a/src/3rdparty/assimp/code/OFFLoader.cpp b/src/3rdparty/assimp/code/OFFLoader.cpp
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--- a/src/3rdparty/assimp/code/OFFLoader.cpp
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-/*
----------------------------------------------------------------------------
-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
-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
- */
-
-
-#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>
-#include <assimp/importerdesc.h>
-
-using namespace Assimp;
-
-static const aiImporterDesc desc = {
- "OFF Importer",
- "",
- "",
- "",
- aiImporterFlags_SupportBinaryFlavour,
- 0,
- 0,
- 0,
- 0,
- "off"
-};
-
-// ------------------------------------------------------------------------------------------------
-// Constructor to be privately used by Importer
-OFFImporter::OFFImporter()
-{}
-
-// ------------------------------------------------------------------------------------------------
-// Destructor, private as well
-OFFImporter::~OFFImporter()
-{}
-
-// ------------------------------------------------------------------------------------------------
-// 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,1,3);
- }
- return false;
-}
-
-// ------------------------------------------------------------------------------------------------
-const aiImporterDesc* OFFImporter::GetInfo () const
-{
- return &desc;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Imports the given file into the given scene structure.
-void OFFImporter::InternReadFile( const std::string& pFile,
- aiScene* pScene, IOSystem* pIOHandler)
-{
- 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<ai_real>(sz,(ai_real&)v.x); SkipSpaces(&sz);
- sz = fast_atoreal_move<ai_real>(sz,(ai_real&)v.y); SkipSpaces(&sz);
- fast_atoreal_move<ai_real>(sz,(ai_real&)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( ai_real( 0.6 ), ai_real( 0.6 ), ai_real( 0.6 ), ai_real( 1.0 ) );
- 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
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