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Diffstat (limited to 'src/3rdparty/assimp/code/Exporter.cpp')
-rw-r--r-- | src/3rdparty/assimp/code/Exporter.cpp | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/src/3rdparty/assimp/code/Exporter.cpp b/src/3rdparty/assimp/code/Exporter.cpp deleted file mode 100644 index 9dba5c47c..000000000 --- a/src/3rdparty/assimp/code/Exporter.cpp +++ /dev/null @@ -1,468 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2012, 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). -*/ - -#include "AssimpPCH.h" - -#ifndef ASSIMP_BUILD_NO_EXPORT - -#include "DefaultIOSystem.h" -#include "BlobIOSystem.h" -#include "SceneCombiner.h" -#include "BaseProcess.h" -#include "Importer.h" // need this for GetPostProcessingStepInstanceList() - -#include "JoinVerticesProcess.h" -#include "MakeVerboseFormat.h" -#include "ConvertToLHProcess.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 -void ExportSceneCollada(const char*,IOSystem*, const aiScene*); -void ExportSceneObj(const char*,IOSystem*, const aiScene*); -void ExportSceneSTL(const char*,IOSystem*, const aiScene*); -void ExportSceneSTLBinary(const char*,IOSystem*, const aiScene*); -void ExportScenePly(const char*,IOSystem*, const aiScene*); -void ExportScene3DS(const char*, IOSystem*, const aiScene*) {} - -// ------------------------------------------------------------------------------------------------ -// 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_OBJ_EXPORTER - Exporter::ExportFormatEntry( "obj", "Wavefront OBJ format", "obj", &ExportSceneObj, - 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 - ), -#endif - -//#ifndef ASSIMP_BUILD_NO_3DS_EXPORTER -// ExportFormatEntry( "3ds", "Autodesk 3DS (legacy format)", "3ds" , &ExportScene3DS), -//#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 builtin 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; - boost::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()) -{ -} - - -// ------------------------------------------------------------------------------------------------ -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 ) -{ - if (pimpl->blob) { - delete pimpl->blob; - pimpl->blob = NULL; - } - - - boost::shared_ptr<IOSystem> old = pimpl->mIOSystem; - - BlobIOSystem* blobio = new BlobIOSystem(); - pimpl->mIOSystem = boost::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 ) -{ - 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; - SceneCombiner::CopyScene(&scenecopy_tmp,pScene); - - std::auto_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 postprocessing 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 postprocessing 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()); - } - - exp.mExportFunction(pPath,pimpl->mIOSystem.get(),scenecopy.get()); - } - 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 pIndex ) const -{ - if (pIndex >= GetExportFormatCount()) { - return NULL; - } - - return &pimpl->mExporters[pIndex].mDescription; -} - -// ------------------------------------------------------------------------------------------------ -aiReturn Exporter :: RegisterExporter(const ExportFormatEntry& desc) -{ - BOOST_FOREACH(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; - } - } -} - -#endif // !ASSIMP_BUILD_NO_EXPORT |