diff options
Diffstat (limited to 'libs/assimp/code/AssetLib/Step/StepExporter.cpp')
| -rw-r--r-- | libs/assimp/code/AssetLib/Step/StepExporter.cpp | 411 |
1 files changed, 0 insertions, 411 deletions
diff --git a/libs/assimp/code/AssetLib/Step/StepExporter.cpp b/libs/assimp/code/AssetLib/Step/StepExporter.cpp deleted file mode 100644 index e13c9ed..0000000 --- a/libs/assimp/code/AssetLib/Step/StepExporter.cpp +++ /dev/null @@ -1,411 +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. - -@author: Richard Steffen, 2015 ----------------------------------------------------------------------- -*/ - - -#ifndef ASSIMP_BUILD_NO_EXPORT -#ifndef ASSIMP_BUILD_NO_STEP_EXPORTER - -#include "AssetLib/Step/StepExporter.h" -#include "PostProcessing/ConvertToLHProcess.h" - -#include <assimp/Bitmap.h> -#include <assimp/BaseImporter.h> -#include <assimp/fast_atof.h> -#include <assimp/SceneCombiner.h> -#include <assimp/Exceptional.h> -#include <assimp/DefaultIOSystem.h> -#include <assimp/IOSystem.hpp> -#include <assimp/scene.h> -#include <assimp/light.h> - -#include <iostream> -#include <ctime> -#include <set> -#include <map> -#include <list> -#include <memory> - -// -#if _MSC_VER > 1500 || (defined __GNUC___) -# define ASSIMP_STEP_USE_UNORDERED_MULTIMAP -# else -# define step_unordered_map map -# define step_unordered_multimap multimap -#endif - -#ifdef ASSIMP_STEP_USE_UNORDERED_MULTIMAP -# include <unordered_map> -# if defined(_MSC_VER) && _MSC_VER <= 1600 -# define step_unordered_map tr1::unordered_map -# define step_unordered_multimap tr1::unordered_multimap -# else -# define step_unordered_map unordered_map -# define step_unordered_multimap unordered_multimap -# endif -#endif - -typedef std::step_unordered_map<aiVector3D*, int> VectorIndexUMap; - -/* Tested with Step viewer v4 from www.ida-step.net */ - -using namespace Assimp; - -namespace Assimp -{ - -// ------------------------------------------------------------------------------------------------ -// Worker function for exporting a scene to Collada. Prototyped and registered in Exporter.cpp -void ExportSceneStep(const char* pFile,IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) -{ - std::string path = DefaultIOSystem::absolutePath(std::string(pFile)); - std::string file = DefaultIOSystem::completeBaseName(std::string(pFile)); - - // create/copy Properties - ExportProperties props(*pProperties); - - // invoke the exporter - StepExporter iDoTheExportThing( pScene, pIOSystem, path, file, &props); - - // we're still here - export successfully completed. Write result to the given IOSYstem - std::unique_ptr<IOStream> outfile (pIOSystem->Open(pFile,"wt")); - if (outfile == nullptr) { - throw DeadlyExportError("could not open output .stp file: " + std::string(pFile)); - } - - // XXX maybe use a small wrapper around IOStream that behaves like std::stringstream in order to avoid the extra copy. - outfile->Write( iDoTheExportThing.mOutput.str().c_str(), static_cast<size_t>(iDoTheExportThing.mOutput.tellp()),1); -} - -} // end of namespace Assimp - - -namespace { - // Collect world transformations for each node - void CollectTrafos(const aiNode* node, std::map<const aiNode*, aiMatrix4x4>& trafos) { - const aiMatrix4x4& parent = node->mParent ? trafos[node->mParent] : aiMatrix4x4(); - trafos[node] = parent * node->mTransformation; - for (unsigned int i = 0; i < node->mNumChildren; ++i) { - CollectTrafos(node->mChildren[i], trafos); - } - } - - // Generate a flat list of the meshes (by index) assigned to each node - void CollectMeshes(const aiNode* node, std::multimap<const aiNode*, unsigned int>& meshes) { - for (unsigned int i = 0; i < node->mNumMeshes; ++i) { - meshes.insert(std::make_pair(node, node->mMeshes[i])); - } - for (unsigned int i = 0; i < node->mNumChildren; ++i) { - CollectMeshes(node->mChildren[i], meshes); - } - } -} - -// ------------------------------------------------------------------------------------------------ -// Constructor for a specific scene to export -StepExporter::StepExporter(const aiScene* pScene, IOSystem* pIOSystem, const std::string& path, - const std::string& file, const ExportProperties* pProperties) : - mProperties(pProperties), mIOSystem(pIOSystem), mFile(file), mPath(path), - mScene(pScene), endstr(";\n") { - CollectTrafos(pScene->mRootNode, trafos); - CollectMeshes(pScene->mRootNode, meshes); - - // make sure that all formatting happens using the standard, C locale and not the user's current locale - mOutput.imbue(std::locale("C")); - mOutput.precision(ASSIMP_AI_REAL_TEXT_PRECISION); - - // start writing - WriteFile(); -} - -// ------------------------------------------------------------------------------------------------ -// Starts writing the contents -void StepExporter::WriteFile() -{ - // see http://shodhganga.inflibnet.ac.in:8080/jspui/bitstream/10603/14116/11/11_chapter%203.pdf - // note, that all realnumber values must be comma separated in x files - mOutput.setf(std::ios::fixed); - // precision for double - // see http://stackoverflow.com/questions/554063/how-do-i-print-a-double-value-with-full-precision-using-cout - mOutput.precision(ASSIMP_AI_REAL_TEXT_PRECISION); - - // standard color - aiColor4D fColor; - fColor.r = 0.8f; - fColor.g = 0.8f; - fColor.b = 0.8f; - - int ind = 100; // the start index to be used - std::vector<int> faceEntryLen; // numbers of entries for a triangle/face - // prepare unique (count triangles and vertices) - - VectorIndexUMap uniqueVerts; // use a map to reduce find complexity to log(n) - VectorIndexUMap::iterator it; - - for (unsigned int i=0; i<mScene->mNumMeshes; ++i) - { - aiMesh* mesh = mScene->mMeshes[i]; - for (unsigned int j=0; j<mesh->mNumFaces; ++j) - { - aiFace* face = &(mesh->mFaces[j]); - - if (face->mNumIndices >= 3) faceEntryLen.push_back(15 + 5 * face->mNumIndices); - } - for (unsigned int j=0; j<mesh->mNumVertices; ++j) - { - aiVector3D* v = &(mesh->mVertices[j]); - it =uniqueVerts.find(v); - if (it == uniqueVerts.end()) - { - uniqueVerts[v] = -1; // first mark the vector as not transformed - } - } - } - - static const unsigned int date_nb_chars = 20; - char date_str[date_nb_chars]; - std::time_t date = std::time(nullptr); - std::strftime(date_str, date_nb_chars, "%Y-%m-%dT%H:%M:%S", std::localtime(&date)); - - // write the header - mOutput << "ISO-10303-21" << endstr; - mOutput << "HEADER" << endstr; - mOutput << "FILE_DESCRIPTION(('STEP AP214'),'1')" << endstr; - mOutput << "FILE_NAME('" << mFile << ".stp','" << date_str << "',(' '),(' '),'Spatial InterOp 3D',' ',' ')" << endstr; - mOutput << "FILE_SCHEMA(('automotive_design'))" << endstr; - mOutput << "ENDSEC" << endstr; - - // write the top of data - mOutput << "DATA" << endstr; - mOutput << "#1=MECHANICAL_DESIGN_GEOMETRIC_PRESENTATION_REPRESENTATION(' ',("; - size_t countFace = faceEntryLen.size(); - size_t faceLenIndex = ind + 2 * uniqueVerts.size(); - for (size_t i=0; i<countFace; ++i) - { - mOutput << "#" << faceLenIndex; - if (i!=countFace-1) mOutput << ","; - faceLenIndex += faceEntryLen[i]; - } - mOutput << "),#6)" << endstr; - - mOutput << "#2=PRODUCT_DEFINITION_CONTEXT('',#7,'design')" << endstr; - mOutput << "#3=APPLICATION_PROTOCOL_DEFINITION('INTERNATIONAL STANDARD','automotive_design',1994,#7)" << endstr; - mOutput << "#4=PRODUCT_CATEGORY_RELATIONSHIP('NONE','NONE',#8,#9)" << endstr; - mOutput << "#5=SHAPE_DEFINITION_REPRESENTATION(#10,#11)" << endstr; - mOutput << "#6= (GEOMETRIC_REPRESENTATION_CONTEXT(3)GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#12))GLOBAL_UNIT_ASSIGNED_CONTEXT((#13,#14,#15))REPRESENTATION_CONTEXT('NONE','WORKSPACE'))" << endstr; - mOutput << "#7=APPLICATION_CONTEXT(' ')" << endstr; - mOutput << "#8=PRODUCT_CATEGORY('part','NONE')" << endstr; - mOutput << "#9=PRODUCT_RELATED_PRODUCT_CATEGORY('detail',' ',(#17))" << endstr; - mOutput << "#10=PRODUCT_DEFINITION_SHAPE('NONE','NONE',#18)" << endstr; - mOutput << "#11=MANIFOLD_SURFACE_SHAPE_REPRESENTATION('Root',(#16,#19),#6)" << endstr; - mOutput << "#12=UNCERTAINTY_MEASURE_WITH_UNIT(LENGTH_MEASURE(1.0E-006),#13,'','')" << endstr; - mOutput << "#13=(CONVERSION_BASED_UNIT('METRE',#20)LENGTH_UNIT()NAMED_UNIT(#21))" << endstr; - mOutput << "#14=(NAMED_UNIT(#22)PLANE_ANGLE_UNIT()SI_UNIT($,.RADIAN.))" << endstr; - mOutput << "#15=(NAMED_UNIT(#22)SOLID_ANGLE_UNIT()SI_UNIT($,.STERADIAN.))" << endstr; - mOutput << "#16=SHELL_BASED_SURFACE_MODEL('Root',(#29))" << endstr; - mOutput << "#17=PRODUCT('Root','Root','Root',(#23))" << endstr; - mOutput << "#18=PRODUCT_DEFINITION('NONE','NONE',#24,#2)" << endstr; - mOutput << "#19=AXIS2_PLACEMENT_3D('',#25,#26,#27)" << endstr; - mOutput << "#20=LENGTH_MEASURE_WITH_UNIT(LENGTH_MEASURE(1.0),#28)" << endstr; - mOutput << "#21=DIMENSIONAL_EXPONENTS(1.0,0.0,0.0,0.0,0.0,0.0,0.0)" << endstr; - mOutput << "#22=DIMENSIONAL_EXPONENTS(0.0,0.0,0.0,0.0,0.0,0.0,0.0)" << endstr; - mOutput << "#23=PRODUCT_CONTEXT('',#7,'mechanical')" << endstr; - mOutput << "#24=PRODUCT_DEFINITION_FORMATION_WITH_SPECIFIED_SOURCE(' ','NONE',#17,.NOT_KNOWN.)" << endstr; - mOutput << "#25=CARTESIAN_POINT('',(0.0,0.0,0.0))" << endstr; - mOutput << "#26=DIRECTION('',(0.0,0.0,1.0))" << endstr; - mOutput << "#27=DIRECTION('',(1.0,0.0,0.0))" << endstr; - mOutput << "#28= (NAMED_UNIT(#21)LENGTH_UNIT()SI_UNIT(.MILLI.,.METRE.))" << endstr; - mOutput << "#29=CLOSED_SHELL('',("; - faceLenIndex = ind + 2 * uniqueVerts.size() + 8; - for (size_t i=0; i<countFace; ++i) - { - mOutput << "#" << faceLenIndex; - if (i!=countFace-1) mOutput << ","; - faceLenIndex += faceEntryLen[i]; - } - mOutput << "))" << endstr; - - // write all the unique transformed CARTESIAN and VERTEX - for (MeshesByNodeMap::const_iterator it2 = meshes.begin(); it2 != meshes.end(); ++it2) - { - const aiNode& node = *(*it2).first; - unsigned int mesh_idx = (*it2).second; - - const aiMesh* mesh = mScene->mMeshes[mesh_idx]; - aiMatrix4x4& trafo = trafos[&node]; - for (unsigned int i = 0; i < mesh->mNumVertices; ++i) - { - aiVector3D* v = &(mesh->mVertices[i]); - it = uniqueVerts.find(v); - if (it->second >=0 ) continue; - it->second = ind; // this one is new, so set the index (ind) - aiVector3D vt = trafo * (*v); // transform the coordinate - mOutput << "#" << it->second << "=CARTESIAN_POINT('',(" << vt.x << "," << vt.y << "," << vt.z << "))" << endstr; - mOutput << "#" << it->second+1 << "=VERTEX_POINT('',#" << it->second << ")" << endstr; - ind += 2; - } - } - - // write the triangles - for (unsigned int i=0; i<mScene->mNumMeshes; ++i) - { - aiMesh* mesh = mScene->mMeshes[i]; - for (unsigned int j=0; j<mesh->mNumFaces; ++j) - { - aiFace* face = &(mesh->mFaces[j]); - - const int numIndices = face->mNumIndices; - if (numIndices < 3) continue; - - std::vector<int> pidArray(numIndices, -1); // vertex id - std::vector<aiVector3D> dvArray(numIndices); // edge dir - for (int k = 0; k < numIndices; ++k) - { - aiVector3D *v1 = &(mesh->mVertices[face->mIndices[k]]); - pidArray[k] = uniqueVerts.find(v1)->second; - - aiVector3D *v2 = nullptr; - if (k + 1 == numIndices) - v2 = &(mesh->mVertices[face->mIndices[0]]); - else - v2 = &(mesh->mVertices[face->mIndices[k + 1]]); - dvArray[k] = *v2 - *v1; - dvArray[k].Normalize(); - } - - aiVector3D dvY = dvArray[1]; - aiVector3D dvX = dvY ^ dvArray[0]; - dvX.Normalize(); - - // mean vertex color for the face if available - if (mesh->HasVertexColors(0)) - { - fColor.r = 0.0; - fColor.g = 0.0; - fColor.b = 0.0; - fColor += mesh->mColors[0][face->mIndices[0]]; - fColor += mesh->mColors[0][face->mIndices[1]]; - fColor += mesh->mColors[0][face->mIndices[2]]; - fColor /= 3.0f; - } - - int sid = ind; // the sub index - mOutput << "#" << sid << "=STYLED_ITEM('',(#" << sid+1 << "),#" << sid+8 << ")" << endstr; /* the item that must be referenced in #1 */ - /* This is the color information of the Triangle */ - mOutput << "#" << sid+1 << "=PRESENTATION_STYLE_ASSIGNMENT((#" << sid+2 << "))" << endstr; - mOutput << "#" << sid+2 << "=SURFACE_STYLE_USAGE(.BOTH.,#" << sid+3 << ")" << endstr; - mOutput << "#" << sid+3 << "=SURFACE_SIDE_STYLE('',(#" << sid+4 << "))" << endstr; - mOutput << "#" << sid+4 << "=SURFACE_STYLE_FILL_AREA(#" << sid+5 << ")" << endstr; - mOutput << "#" << sid+5 << "=FILL_AREA_STYLE('',(#" << sid+6 << "))" << endstr; - mOutput << "#" << sid+6 << "=FILL_AREA_STYLE_COLOUR('',#" << sid+7 << ")" << endstr; - mOutput << "#" << sid+7 << "=COLOUR_RGB(''," << fColor.r << "," << fColor.g << "," << fColor.b << ")" << endstr; - - /* this is the geometry */ - mOutput << "#" << sid+8 << "=FACE_SURFACE('',(#" << sid+13 << "),#" << sid+9<< ",.T.)" << endstr; /* the face that must be referenced in 29 */ - - /* 2 directions of the plane */ - mOutput << "#" << sid+9 << "=PLANE('',#" << sid+10 << ")" << endstr; - mOutput << "#" << sid+10 << "=AXIS2_PLACEMENT_3D('',#" << pidArray[0] << ",#" << sid+11 << ",#" << sid+12 << ")" << endstr; - - mOutput << "#" << sid + 11 << "=DIRECTION('',(" << dvX.x << "," << dvX.y << "," << dvX.z << "))" << endstr; - mOutput << "#" << sid + 12 << "=DIRECTION('',(" << dvY.x << "," << dvY.y << "," << dvY.z << "))" << endstr; - - mOutput << "#" << sid+13 << "=FACE_BOUND('',#" << sid+14 << ",.T.)" << endstr; - mOutput << "#" << sid+14 << "=EDGE_LOOP('',("; - int edgeLoopStart = sid + 15; - for (int k = 0; k < numIndices; ++k) - { - if (k == 0) - mOutput << "#"; - else - mOutput << ",#"; - mOutput << edgeLoopStart + k; - } - mOutput << "))" << endstr; - - /* edge loop */ - int orientedEdgesStart = edgeLoopStart + numIndices; - for (int k=0; k < numIndices; k++) - { - mOutput << "#" << edgeLoopStart+k << "=ORIENTED_EDGE('',*,*,#" << orientedEdgesStart + k << ",.T.)" << endstr; - } - - /* oriented edges */ - int lineStart = orientedEdgesStart + numIndices; - for (int k=0; k < numIndices; ++k) - { - if (k == 0) - mOutput << "#" << orientedEdgesStart+k << "=EDGE_CURVE('',#" << pidArray[k]+1 << ",#" << pidArray[k+1]+1 << ",#" << lineStart+k << ",.F.)" << endstr; - else if (k+1 == numIndices) - mOutput << "#" << orientedEdgesStart+k << "=EDGE_CURVE('',#" << pidArray[k]+1 << ",#" << pidArray[0]+1 << ",#" << lineStart+k << ",.T.)" << endstr; - else - mOutput << "#" << orientedEdgesStart+k << "=EDGE_CURVE('',#" << pidArray[k]+1 << ",#" << pidArray[k+1]+1 << ",#" << lineStart+k << ",.T.)" << endstr; - } - - /* n lines and n vectors for the lines for the n edge curves */ - int vectorStart = lineStart + numIndices; - for (int k=0; k < numIndices; ++k) - { - mOutput << "#" << lineStart+k << "=LINE('',#" << pidArray[k] << ",#" << vectorStart+k << ")" << endstr; - } - - int directionStart = vectorStart + numIndices; - for (int k=0; k < numIndices; ++k) - { - mOutput << "#" << vectorStart+k << "=VECTOR('',#" << directionStart+k << ",1.0)" << endstr; - } - - for (int k=0; k < numIndices; ++k) - { - const aiVector3D &dv = dvArray[k]; - mOutput << "#" << directionStart + k << "=DIRECTION('',(" << dv.x << "," << dv.y << "," << dv.z << "))" << endstr; - } - ind += 15 + 5*numIndices; // increase counter - } - } - - mOutput << "ENDSEC" << endstr; // end of data section - mOutput << "END-ISO-10303-21" << endstr; // end of file -} - -#endif -#endif |