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Diffstat (limited to 'libs/assimp/code/AssetLib/OFF/OFFLoader.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/OFF/OFFLoader.cpp | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/libs/assimp/code/AssetLib/OFF/OFFLoader.cpp b/libs/assimp/code/AssetLib/OFF/OFFLoader.cpp deleted file mode 100644 index 640e792..0000000 --- a/libs/assimp/code/AssetLib/OFF/OFFLoader.cpp +++ /dev/null @@ -1,334 +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 OFFLoader.cpp - * @brief Implementation of the OFF importer class - */ - - -#ifndef ASSIMP_BUILD_NO_OFF_IMPORTER - -// internal headers -#include "OFFLoader.h" -#include <assimp/ParsingUtils.h> -#include <assimp/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 -{ - static const char* tokens[] = { "off" }; - return SearchFileHeaderForToken(pIOHandler,pFile,tokens,AI_COUNT_OF(tokens),3); -} - -// ------------------------------------------------------------------------------------------------ -const aiImporterDesc* OFFImporter::GetInfo () const -{ - return &desc; -} - - -// skip blank space, lines and comments -static void NextToken(const char **car, const char* end) { - SkipSpacesAndLineEnd(car); - while (*car < end && (**car == '#' || **car == '\n' || **car == '\r')) { - SkipLine(car); - SkipSpacesAndLineEnd(car); - } -} - -// ------------------------------------------------------------------------------------------------ -// 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() == nullptr) { - 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]; - - // Proper OFF header parser. We only implement normal loading for now. - bool hasTexCoord = false, hasNormals = false, hasColors = false; - bool hasHomogenous = false, hasDimension = false; - unsigned int dimensions = 3; - const char* car = buffer; - const char* end = buffer + mBuffer2.size(); - NextToken(&car, end); - - if (car < end - 2 && car[0] == 'S' && car[1] == 'T') { - hasTexCoord = true; car += 2; - } - if (car < end - 1 && car[0] == 'C') { - hasColors = true; car++; - } - if (car < end- 1 && car[0] == 'N') { - hasNormals = true; car++; - } - if (car < end - 1 && car[0] == '4') { - hasHomogenous = true; car++; - } - if (car < end - 1 && car[0] == 'n') { - hasDimension = true; car++; - } - if (car < end - 3 && car[0] == 'O' && car[1] == 'F' && car[2] == 'F') { - car += 3; - NextToken(&car, end); - } else { - // in case there is no OFF header (which is allowed by the - // specification...), then we might have unintentionally read an - // additional dimension from the primitive count fields - dimensions = 3; - hasHomogenous = false; - NextToken(&car, end); - - // at this point the next token should be an integer number - if (car >= end - 1 || *car < '0' || *car > '9') { - throw DeadlyImportError("OFF: Header is invalid"); - } - } - if (hasDimension) { - dimensions = strtoul10(car, &car); - NextToken(&car, end); - } - if (dimensions > 3) { - throw DeadlyImportError - ("OFF: Number of vertex coordinates higher than 3 unsupported"); - } - - NextToken(&car, end); - const unsigned int numVertices = strtoul10(car, &car); - NextToken(&car, end); - const unsigned int numFaces = strtoul10(car, &car); - NextToken(&car, end); - strtoul10(car, &car); // skip edge count - NextToken(&car, end); - - 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; - - mesh->mNumVertices = numVertices; - mesh->mVertices = new aiVector3D[numVertices]; - mesh->mNormals = hasNormals ? new aiVector3D[numVertices] : nullptr; - mesh->mColors[0] = hasColors ? new aiColor4D[numVertices] : nullptr; - - if (hasTexCoord) { - mesh->mNumUVComponents[0] = 2; - mesh->mTextureCoords[0] = new aiVector3D[numVertices]; - } - char line[4096]; - buffer = car; - const char *sz = car; - - // now read all vertex lines - for (unsigned int i = 0; i < numVertices; ++i) { - if(!GetNextLine(buffer, line)) { - ASSIMP_LOG_ERROR("OFF: The number of verts in the header is incorrect"); - break; - } - aiVector3D& v = mesh->mVertices[i]; - sz = line; - - // helper array to write a for loop over possible dimension values - ai_real* vec[3] = {&v.x, &v.y, &v.z}; - - // stop at dimensions: this allows loading 1D or 2D coordinate vertices - for (unsigned int dim = 0; dim < dimensions; ++dim ) { - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz, *vec[dim]); - } - - // if has homogeneous coordinate, divide others by this one - if (hasHomogenous) { - SkipSpaces(&sz); - ai_real w = 1.; - sz = fast_atoreal_move<ai_real>(sz, w); - for (unsigned int dim = 0; dim < dimensions; ++dim ) { - *(vec[dim]) /= w; - } - } - - // read optional normals - if (hasNormals) { - aiVector3D& n = mesh->mNormals[i]; - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)n.x); - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)n.y); - SkipSpaces(&sz); - fast_atoreal_move<ai_real>(sz,(ai_real&)n.z); - } - - // reading colors is a pain because the specification says it can be - // integers or floats, and any number of them between 1 and 4 included, - // until the next comment or end of line - // in theory should be testing type ! - if (hasColors) { - aiColor4D& c = mesh->mColors[0][i]; - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)c.r); - if (*sz != '#' && *sz != '\n' && *sz != '\r') { - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)c.g); - } else { - c.g = 0.; - } - if (*sz != '#' && *sz != '\n' && *sz != '\r') { - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)c.b); - } else { - c.b = 0.; - } - if (*sz != '#' && *sz != '\n' && *sz != '\r') { - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)c.a); - } else { - c.a = 1.; - } - } - if (hasTexCoord) { - aiVector3D& t = mesh->mTextureCoords[0][i]; - SkipSpaces(&sz); - sz = fast_atoreal_move<ai_real>(sz,(ai_real&)t.x); - SkipSpaces(&sz); - fast_atoreal_move<ai_real>(sz,(ai_real&)t.y); - } - } - - // load faces with their indices - faces = mesh->mFaces; - for (unsigned int i = 0; i < numFaces; ) { - if(!GetNextLine(buffer,line)) { - ASSIMP_LOG_ERROR("OFF: The number of faces in the header is incorrect"); - break; - } - unsigned int idx; - sz = line; SkipSpaces(&sz); - idx = strtoul10(sz,&sz); - if(!idx || idx > 9) { - ASSIMP_LOG_ERROR("OFF: Faces with zero indices aren't allowed"); - --mesh->mNumFaces; - continue; - } - faces->mNumIndices = idx; - 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) { - ASSIMP_LOG_ERROR("OFF: Vertex index is out of range"); - idx = numVertices - 1; - } - faces->mIndices[m] = idx; - } - ++i; - ++faces; - } - - // 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 |