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Diffstat (limited to 'thirdparty/assimp/code/FBXImporter.cpp')
-rw-r--r-- | thirdparty/assimp/code/FBXImporter.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/thirdparty/assimp/code/FBXImporter.cpp b/thirdparty/assimp/code/FBXImporter.cpp new file mode 100644 index 0000000000..2cc8bffc29 --- /dev/null +++ b/thirdparty/assimp/code/FBXImporter.cpp @@ -0,0 +1,197 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2019, 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. +r +* 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 FBXImporter.cpp + * @brief Implementation of the FBX importer. + */ + +#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER + +#include "FBXImporter.h" + +#include "FBXTokenizer.h" +#include "FBXParser.h" +#include "FBXUtil.h" +#include "FBXDocument.h" +#include "FBXConverter.h" + +#include <assimp/StreamReader.h> +#include <assimp/MemoryIOWrapper.h> +#include <assimp/Importer.hpp> +#include <assimp/importerdesc.h> + +namespace Assimp { + +template<> +const char* LogFunctions<FBXImporter>::Prefix() { + static auto prefix = "FBX: "; + return prefix; +} + +} + +using namespace Assimp; +using namespace Assimp::Formatter; +using namespace Assimp::FBX; + +namespace { + +static const aiImporterDesc desc = { + "Autodesk FBX Importer", + "", + "", + "", + aiImporterFlags_SupportTextFlavour, + 0, + 0, + 0, + 0, + "fbx" +}; +} + +// ------------------------------------------------------------------------------------------------ +// Constructor to be privately used by #Importer +FBXImporter::FBXImporter() +{ +} + +// ------------------------------------------------------------------------------------------------ +// Destructor, private as well +FBXImporter::~FBXImporter() +{ +} + +// ------------------------------------------------------------------------------------------------ +// Returns whether the class can handle the format of the given file. +bool FBXImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const +{ + const std::string& extension = GetExtension(pFile); + if (extension == std::string( desc.mFileExtensions ) ) { + return true; + } + + else if ((!extension.length() || checkSig) && pIOHandler) { + // at least ASCII-FBX files usually have a 'FBX' somewhere in their head + const char* tokens[] = {"fbx"}; + return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); + } + return false; +} + +// ------------------------------------------------------------------------------------------------ +// List all extensions handled by this loader +const aiImporterDesc* FBXImporter::GetInfo () const +{ + return &desc; +} + +// ------------------------------------------------------------------------------------------------ +// Setup configuration properties for the loader +void FBXImporter::SetupProperties(const Importer* pImp) +{ + settings.readAllLayers = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS, true); + settings.readAllMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_MATERIALS, false); + settings.readMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_MATERIALS, true); + settings.readTextures = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_TEXTURES, true); + settings.readCameras = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_CAMERAS, true); + settings.readLights = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_LIGHTS, true); + settings.readAnimations = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ANIMATIONS, true); + settings.strictMode = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_STRICT_MODE, false); + settings.preservePivots = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS, true); + settings.optimizeEmptyAnimationCurves = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES, true); + settings.useLegacyEmbeddedTextureNaming = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_EMBEDDED_TEXTURES_LEGACY_NAMING, false); +} + +// ------------------------------------------------------------------------------------------------ +// Imports the given file into the given scene structure. +void FBXImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) +{ + std::unique_ptr<IOStream> stream(pIOHandler->Open(pFile,"rb")); + if (!stream) { + ThrowException("Could not open file for reading"); + } + + // read entire file into memory - no streaming for this, fbx + // files can grow large, but the assimp output data structure + // then becomes very large, too. Assimp doesn't support + // streaming for its output data structures so the net win with + // streaming input data would be very low. + std::vector<char> contents; + contents.resize(stream->FileSize()+1); + stream->Read( &*contents.begin(), 1, contents.size()-1 ); + contents[ contents.size() - 1 ] = 0; + const char* const begin = &*contents.begin(); + + // broadphase tokenizing pass in which we identify the core + // syntax elements of FBX (brackets, commas, key:value mappings) + TokenList tokens; + try { + + bool is_binary = false; + if (!strncmp(begin,"Kaydara FBX Binary",18)) { + is_binary = true; + TokenizeBinary(tokens,begin,static_cast<unsigned int>(contents.size())); + } + else { + Tokenize(tokens,begin); + } + + // use this information to construct a very rudimentary + // parse-tree representing the FBX scope structure + Parser parser(tokens, is_binary); + + // take the raw parse-tree and convert it to a FBX DOM + Document doc(parser,settings); + + // convert the FBX DOM to aiScene + ConvertToAssimpScene(pScene,doc); + + std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>()); + } + catch(std::exception&) { + std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>()); + throw; + } +} + +#endif // !ASSIMP_BUILD_NO_FBX_IMPORTER |