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Diffstat (limited to 'src/3rdparty/assimp/code/Exporter.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/Exporter.cpp | 602 |
1 files changed, 0 insertions, 602 deletions
diff --git a/src/3rdparty/assimp/code/Exporter.cpp b/src/3rdparty/assimp/code/Exporter.cpp deleted file mode 100644 index 3fc31a722..000000000 --- a/src/3rdparty/assimp/code/Exporter.cpp +++ /dev/null @@ -1,602 +0,0 @@ -/* ---------------------------------------------------------------------------- -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 Exporter.cpp - -Assimp export interface. While it's public interface bears many similarities -to the import interface (in fact, it is largely symmetric), the internal -implementations differs a lot. Exporters are considered stateless and are -simple callbacks which we maintain in a global list along with their -description strings. - -Here we implement only the C++ interface (Assimp::Exporter). -*/ - -#ifndef ASSIMP_BUILD_NO_EXPORT - -#include "BlobIOSystem.h" -#include <assimp/SceneCombiner.h> -#include "BaseProcess.h" -#include "Importer.h" // need this for GetPostProcessingStepInstanceList() - -#include "JoinVerticesProcess.h" -#include "MakeVerboseFormat.h" -#include "ConvertToLHProcess.h" -#include "Exceptional.h" -#include "ScenePrivate.h" -#include <memory> - -#include <assimp/DefaultIOSystem.h> -#include <assimp/Exporter.hpp> -#include <assimp/mesh.h> -#include <assimp/postprocess.h> -#include <assimp/scene.h> - -namespace Assimp { - -// PostStepRegistry.cpp -void GetPostProcessingStepInstanceList(std::vector< BaseProcess* >& out); - -// ------------------------------------------------------------------------------------------------ -// Exporter worker function prototypes. Should not be necessary to #ifndef them, it's just a prototype -// do not use const, because some exporter need to convert the scene temporary -void ExportSceneCollada(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneXFile(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneStep(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneObj(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneObjNoMtl(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneSTL(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneSTLBinary(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportScenePly(const char*,IOSystem*, const aiScene*, const ExportProperties*); -void ExportScenePlyBinary(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportScene3DS(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneGLTF(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneGLB(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneGLTF2(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneAssbin(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneAssxml(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportSceneX3D(const char*, IOSystem*, const aiScene*, const ExportProperties*); -void ExportScene3MF( const char*, IOSystem*, const aiScene*, const ExportProperties* ); - -// ------------------------------------------------------------------------------------------------ -// global array of all export formats which Assimp supports in its current build -Exporter::ExportFormatEntry gExporters[] = -{ -#ifndef ASSIMP_BUILD_NO_COLLADA_EXPORTER - Exporter::ExportFormatEntry( "collada", "COLLADA - Digital Asset Exchange Schema", "dae", &ExportSceneCollada ), -#endif - -#ifndef ASSIMP_BUILD_NO_X_EXPORTER - Exporter::ExportFormatEntry( "x", "X Files", "x", &ExportSceneXFile, - aiProcess_MakeLeftHanded | aiProcess_FlipWindingOrder | aiProcess_FlipUVs ), -#endif - -#ifndef ASSIMP_BUILD_NO_STEP_EXPORTER - Exporter::ExportFormatEntry( "stp", "Step Files", "stp", &ExportSceneStep, 0 ), -#endif - -#ifndef ASSIMP_BUILD_NO_OBJ_EXPORTER - Exporter::ExportFormatEntry( "obj", "Wavefront OBJ format", "obj", &ExportSceneObj, - aiProcess_GenSmoothNormals /*| aiProcess_PreTransformVertices */ ), - Exporter::ExportFormatEntry( "objnomtl", "Wavefront OBJ format without material file", "obj", &ExportSceneObjNoMtl, - aiProcess_GenSmoothNormals /*| aiProcess_PreTransformVertices */ ), -#endif - -#ifndef ASSIMP_BUILD_NO_STL_EXPORTER - Exporter::ExportFormatEntry( "stl", "Stereolithography", "stl" , &ExportSceneSTL, - aiProcess_Triangulate | aiProcess_GenNormals | aiProcess_PreTransformVertices - ), - Exporter::ExportFormatEntry( "stlb", "Stereolithography (binary)", "stl" , &ExportSceneSTLBinary, - aiProcess_Triangulate | aiProcess_GenNormals | aiProcess_PreTransformVertices - ), -#endif - -#ifndef ASSIMP_BUILD_NO_PLY_EXPORTER - Exporter::ExportFormatEntry( "ply", "Stanford Polygon Library", "ply" , &ExportScenePly, - aiProcess_PreTransformVertices - ), - Exporter::ExportFormatEntry( "plyb", "Stanford Polygon Library (binary)", "ply", &ExportScenePlyBinary, - aiProcess_PreTransformVertices - ), -#endif - -#ifndef ASSIMP_BUILD_NO_3DS_EXPORTER - Exporter::ExportFormatEntry( "3ds", "Autodesk 3DS (legacy)", "3ds" , &ExportScene3DS, - aiProcess_Triangulate | aiProcess_SortByPType | aiProcess_JoinIdenticalVertices ), -#endif - -#ifndef ASSIMP_BUILD_NO_GLTF_EXPORTER - Exporter::ExportFormatEntry( "gltf", "GL Transmission Format", "gltf", &ExportSceneGLTF, - aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ), - Exporter::ExportFormatEntry( "glb", "GL Transmission Format (binary)", "glb", &ExportSceneGLB, - aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ), - Exporter::ExportFormatEntry( "gltf2", "GL Transmission Format v. 2", "gltf2", &ExportSceneGLTF2, - aiProcess_JoinIdenticalVertices | aiProcess_Triangulate | aiProcess_SortByPType ), -#endif - -#ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER - Exporter::ExportFormatEntry( "assbin", "Assimp Binary", "assbin" , &ExportSceneAssbin, 0 ), -#endif - -#ifndef ASSIMP_BUILD_NO_ASSXML_EXPORTER - Exporter::ExportFormatEntry( "assxml", "Assxml Document", "assxml" , &ExportSceneAssxml, 0 ), -#endif - -#ifndef ASSIMP_BUILD_NO_X3D_EXPORTER - Exporter::ExportFormatEntry( "x3d", "Extensible 3D", "x3d" , &ExportSceneX3D, 0 ), -#endif - -#ifndef ASSIMP_BUILD_NO3MF_EXPORTER - Exporter::ExportFormatEntry( "3mf", "The 3MF-File-Format", "3mf", &ExportScene3MF, 0 ) -#endif -}; - -#define ASSIMP_NUM_EXPORTERS (sizeof(gExporters)/sizeof(gExporters[0])) - - -class ExporterPimpl { -public: - ExporterPimpl() - : blob() - , mIOSystem(new Assimp::DefaultIOSystem()) - , mIsDefaultIOHandler(true) - { - GetPostProcessingStepInstanceList(mPostProcessingSteps); - - // grab all built-in exporters - if ( 0 != ( ASSIMP_NUM_EXPORTERS ) ) { - mExporters.resize( ASSIMP_NUM_EXPORTERS ); - std::copy( gExporters, gExporters + ASSIMP_NUM_EXPORTERS, mExporters.begin() ); - } - } - - ~ExporterPimpl() - { - delete blob; - - // Delete all post-processing plug-ins - for( unsigned int a = 0; a < mPostProcessingSteps.size(); a++) { - delete mPostProcessingSteps[a]; - } - } - -public: - aiExportDataBlob* blob; - std::shared_ptr< Assimp::IOSystem > mIOSystem; - bool mIsDefaultIOHandler; - - /** Post processing steps we can apply at the imported data. */ - std::vector< BaseProcess* > mPostProcessingSteps; - - /** Last fatal export error */ - std::string mError; - - /** Exporters, this includes those registered using #Assimp::Exporter::RegisterExporter */ - std::vector<Exporter::ExportFormatEntry> mExporters; -}; - -} // end of namespace Assimp - -using namespace Assimp; - -// ------------------------------------------------------------------------------------------------ -Exporter :: Exporter() -: pimpl(new ExporterPimpl()) { - // empty -} - -// ------------------------------------------------------------------------------------------------ -Exporter::~Exporter() { - FreeBlob(); - - delete pimpl; -} - -// ------------------------------------------------------------------------------------------------ -void Exporter::SetIOHandler( IOSystem* pIOHandler) { - pimpl->mIsDefaultIOHandler = !pIOHandler; - pimpl->mIOSystem.reset(pIOHandler); -} - -// ------------------------------------------------------------------------------------------------ -IOSystem* Exporter::GetIOHandler() const { - return pimpl->mIOSystem.get(); -} - -// ------------------------------------------------------------------------------------------------ -bool Exporter::IsDefaultIOHandler() const { - return pimpl->mIsDefaultIOHandler; -} - -// ------------------------------------------------------------------------------------------------ -const aiExportDataBlob* Exporter::ExportToBlob( const aiScene* pScene, const char* pFormatId, - unsigned int, const ExportProperties* /*pProperties*/ ) { - if (pimpl->blob) { - delete pimpl->blob; - pimpl->blob = NULL; - } - - std::shared_ptr<IOSystem> old = pimpl->mIOSystem; - BlobIOSystem* blobio = new BlobIOSystem(); - pimpl->mIOSystem = std::shared_ptr<IOSystem>( blobio ); - - if (AI_SUCCESS != Export(pScene,pFormatId,blobio->GetMagicFileName())) { - pimpl->mIOSystem = old; - return NULL; - } - - pimpl->blob = blobio->GetBlobChain(); - pimpl->mIOSystem = old; - - return pimpl->blob; -} - -// ------------------------------------------------------------------------------------------------ -bool IsVerboseFormat(const aiMesh* mesh) { - // avoid slow vector<bool> specialization - std::vector<unsigned int> seen(mesh->mNumVertices,0); - for(unsigned int i = 0; i < mesh->mNumFaces; ++i) { - const aiFace& f = mesh->mFaces[i]; - for(unsigned int j = 0; j < f.mNumIndices; ++j) { - if(++seen[f.mIndices[j]] == 2) { - // found a duplicate index - return false; - } - } - } - return true; -} - -// ------------------------------------------------------------------------------------------------ -bool IsVerboseFormat(const aiScene* pScene) { - for(unsigned int i = 0; i < pScene->mNumMeshes; ++i) { - if(!IsVerboseFormat(pScene->mMeshes[i])) { - return false; - } - } - return true; -} - -// ------------------------------------------------------------------------------------------------ -aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const char* pPath, unsigned int pPreprocessing, const ExportProperties* pProperties) { - ASSIMP_BEGIN_EXCEPTION_REGION(); - - // when they create scenes from scratch, users will likely create them not in verbose - // format. They will likely not be aware that there is a flag in the scene to indicate - // this, however. To avoid surprises and bug reports, we check for duplicates in - // meshes upfront. - const bool is_verbose_format = !(pScene->mFlags & AI_SCENE_FLAGS_NON_VERBOSE_FORMAT) || IsVerboseFormat(pScene); - - pimpl->mError = ""; - for (size_t i = 0; i < pimpl->mExporters.size(); ++i) { - const Exporter::ExportFormatEntry& exp = pimpl->mExporters[i]; - if (!strcmp(exp.mDescription.id,pFormatId)) { - try { - // Always create a full copy of the scene. We might optimize this one day, - // but for now it is the most pragmatic way. - aiScene* scenecopy_tmp = NULL; - SceneCombiner::CopyScene(&scenecopy_tmp,pScene); - - std::unique_ptr<aiScene> scenecopy(scenecopy_tmp); - const ScenePrivateData* const priv = ScenePriv(pScene); - - // steps that are not idempotent, i.e. we might need to run them again, usually to get back to the - // original state before the step was applied first. When checking which steps we don't need - // to run, those are excluded. - const unsigned int nonIdempotentSteps = aiProcess_FlipWindingOrder | aiProcess_FlipUVs | aiProcess_MakeLeftHanded; - - // Erase all pp steps that were already applied to this scene - const unsigned int pp = (exp.mEnforcePP | pPreprocessing) & ~(priv && !priv->mIsCopy - ? (priv->mPPStepsApplied & ~nonIdempotentSteps) - : 0u); - - // If no extra post-processing was specified, and we obtained this scene from an - // Assimp importer, apply the reverse steps automatically. - // TODO: either drop this, or document it. Otherwise it is just a bad surprise. - //if (!pPreprocessing && priv) { - // pp |= (nonIdempotentSteps & priv->mPPStepsApplied); - //} - - // If the input scene is not in verbose format, but there is at least post-processing step that relies on it, - // we need to run the MakeVerboseFormat step first. - bool must_join_again = false; - if (!is_verbose_format) { - bool verbosify = false; - for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++) { - BaseProcess* const p = pimpl->mPostProcessingSteps[a]; - - if (p->IsActive(pp) && p->RequireVerboseFormat()) { - verbosify = true; - break; - } - } - - if (verbosify || (exp.mEnforcePP & aiProcess_JoinIdenticalVertices)) { - DefaultLogger::get()->debug("export: Scene data not in verbose format, applying MakeVerboseFormat step first"); - - MakeVerboseFormatProcess proc; - proc.Execute(scenecopy.get()); - - if(!(exp.mEnforcePP & aiProcess_JoinIdenticalVertices)) { - must_join_again = true; - } - } - } - - if (pp) { - // the three 'conversion' steps need to be executed first because all other steps rely on the standard data layout - { - FlipWindingOrderProcess step; - if (step.IsActive(pp)) { - step.Execute(scenecopy.get()); - } - } - - { - FlipUVsProcess step; - if (step.IsActive(pp)) { - step.Execute(scenecopy.get()); - } - } - - { - MakeLeftHandedProcess step; - if (step.IsActive(pp)) { - step.Execute(scenecopy.get()); - } - } - - // dispatch other processes - for( unsigned int a = 0; a < pimpl->mPostProcessingSteps.size(); a++) { - BaseProcess* const p = pimpl->mPostProcessingSteps[a]; - - if (p->IsActive(pp) - && !dynamic_cast<FlipUVsProcess*>(p) - && !dynamic_cast<FlipWindingOrderProcess*>(p) - && !dynamic_cast<MakeLeftHandedProcess*>(p)) { - - p->Execute(scenecopy.get()); - } - } - ScenePrivateData* const privOut = ScenePriv(scenecopy.get()); - ai_assert(privOut); - - privOut->mPPStepsApplied |= pp; - } - - if(must_join_again) { - JoinVerticesProcess proc; - proc.Execute(scenecopy.get()); - } - - ExportProperties emptyProperties; // Never pass NULL ExportProperties so Exporters don't have to worry. - exp.mExportFunction(pPath,pimpl->mIOSystem.get(),scenecopy.get(), pProperties ? pProperties : &emptyProperties); - } catch (DeadlyExportError& err) { - pimpl->mError = err.what(); - return AI_FAILURE; - } - return AI_SUCCESS; - } - } - - pimpl->mError = std::string("Found no exporter to handle this file format: ") + pFormatId; - ASSIMP_END_EXCEPTION_REGION(aiReturn); - - return AI_FAILURE; -} - -// ------------------------------------------------------------------------------------------------ -const char* Exporter::GetErrorString() const { - return pimpl->mError.c_str(); -} - - -// ------------------------------------------------------------------------------------------------ -void Exporter::FreeBlob() { - delete pimpl->blob; - pimpl->blob = NULL; - - pimpl->mError = ""; -} - -// ------------------------------------------------------------------------------------------------ -const aiExportDataBlob* Exporter::GetBlob() const { - return pimpl->blob; -} - -// ------------------------------------------------------------------------------------------------ -const aiExportDataBlob* Exporter::GetOrphanedBlob() const { - const aiExportDataBlob* tmp = pimpl->blob; - pimpl->blob = NULL; - return tmp; -} - -// ------------------------------------------------------------------------------------------------ -size_t Exporter::GetExportFormatCount() const { - return pimpl->mExporters.size(); -} - -// ------------------------------------------------------------------------------------------------ -const aiExportFormatDesc* Exporter::GetExportFormatDescription( size_t index ) const { - if (index >= GetExportFormatCount()) { - return NULL; - } - - // Return from static storage if the requested index is built-in. - if (index < sizeof(gExporters) / sizeof(gExporters[0])) { - return &gExporters[index].mDescription; - } - - return &pimpl->mExporters[index].mDescription; -} - -// ------------------------------------------------------------------------------------------------ -aiReturn Exporter::RegisterExporter(const ExportFormatEntry& desc) { - for(const ExportFormatEntry& e : pimpl->mExporters) { - if (!strcmp(e.mDescription.id,desc.mDescription.id)) { - return aiReturn_FAILURE; - } - } - - pimpl->mExporters.push_back(desc); - return aiReturn_SUCCESS; -} - -// ------------------------------------------------------------------------------------------------ -void Exporter::UnregisterExporter(const char* id) { - for(std::vector<ExportFormatEntry>::iterator it = pimpl->mExporters.begin(); it != pimpl->mExporters.end(); ++it) { - if (!strcmp((*it).mDescription.id,id)) { - pimpl->mExporters.erase(it); - break; - } - } -} - -// ------------------------------------------------------------------------------------------------ -ExportProperties::ExportProperties() { - // empty -} - -// ------------------------------------------------------------------------------------------------ -ExportProperties::ExportProperties(const ExportProperties &other) -: mIntProperties(other.mIntProperties) -, mFloatProperties(other.mFloatProperties) -, mStringProperties(other.mStringProperties) -, mMatrixProperties(other.mMatrixProperties) { - // empty -} - -// ------------------------------------------------------------------------------------------------ -// Set a configuration property -bool ExportProperties::SetPropertyInteger(const char* szName, int iValue) { - return SetGenericProperty<int>(mIntProperties, szName,iValue); -} - -// ------------------------------------------------------------------------------------------------ -// Set a configuration property -bool ExportProperties::SetPropertyFloat(const char* szName, ai_real iValue) { - return SetGenericProperty<ai_real>(mFloatProperties, szName,iValue); -} - -// ------------------------------------------------------------------------------------------------ -// Set a configuration property -bool ExportProperties :: SetPropertyString(const char* szName, const std::string& value) -{ - return SetGenericProperty<std::string>(mStringProperties, szName,value); -} - -// ------------------------------------------------------------------------------------------------ -// Set a configuration property -bool ExportProperties :: SetPropertyMatrix(const char* szName, const aiMatrix4x4& value) -{ - return SetGenericProperty<aiMatrix4x4>(mMatrixProperties, szName,value); -} - -// ------------------------------------------------------------------------------------------------ -// Get a configuration property -int ExportProperties :: GetPropertyInteger(const char* szName, - int iErrorReturn /*= 0xffffffff*/) const -{ - return GetGenericProperty<int>(mIntProperties,szName,iErrorReturn); -} - -// ------------------------------------------------------------------------------------------------ -// Get a configuration property -ai_real ExportProperties :: GetPropertyFloat(const char* szName, - ai_real iErrorReturn /*= 10e10*/) const -{ - return GetGenericProperty<ai_real>(mFloatProperties,szName,iErrorReturn); -} - -// ------------------------------------------------------------------------------------------------ -// Get a configuration property -const std::string ExportProperties :: GetPropertyString(const char* szName, - const std::string& iErrorReturn /*= ""*/) const -{ - return GetGenericProperty<std::string>(mStringProperties,szName,iErrorReturn); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -const aiMatrix4x4 ExportProperties :: GetPropertyMatrix(const char* szName, - const aiMatrix4x4& iErrorReturn /*= aiMatrix4x4()*/) const -{ - return GetGenericProperty<aiMatrix4x4>(mMatrixProperties,szName,iErrorReturn); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -bool ExportProperties :: HasPropertyInteger(const char* szName) const -{ - return HasGenericProperty<int>(mIntProperties, szName); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -bool ExportProperties :: HasPropertyBool(const char* szName) const -{ - return HasGenericProperty<int>(mIntProperties, szName); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -bool ExportProperties :: HasPropertyFloat(const char* szName) const -{ - return HasGenericProperty<ai_real>(mFloatProperties, szName); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -bool ExportProperties :: HasPropertyString(const char* szName) const -{ - return HasGenericProperty<std::string>(mStringProperties, szName); -} - -// ------------------------------------------------------------------------------------------------ -// Has a configuration property -bool ExportProperties :: HasPropertyMatrix(const char* szName) const -{ - return HasGenericProperty<aiMatrix4x4>(mMatrixProperties, szName); -} - - -#endif // !ASSIMP_BUILD_NO_EXPORT |