vrshoot

diff libs/assimp/FBXImporter.cpp @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
parents
children
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/FBXImporter.cpp	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,189 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +/** @file  FBXImporter.cpp
    1.45 + *  @brief Implementation of the FBX importer.
    1.46 + */
    1.47 +#include "AssimpPCH.h"
    1.48 +
    1.49 +#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
    1.50 +
    1.51 +#include <exception>
    1.52 +#include <iterator>
    1.53 +#include <boost/tuple/tuple.hpp>
    1.54 +
    1.55 +#include "FBXImporter.h"
    1.56 +
    1.57 +#include "FBXTokenizer.h"
    1.58 +#include "FBXParser.h"
    1.59 +#include "FBXUtil.h"
    1.60 +#include "FBXDocument.h"
    1.61 +#include "FBXConverter.h"
    1.62 +
    1.63 +#include "StreamReader.h"
    1.64 +#include "MemoryIOWrapper.h"
    1.65 +
    1.66 +namespace Assimp {
    1.67 +	template<> const std::string LogFunctions<FBXImporter>::log_prefix = "FBX: ";
    1.68 +}
    1.69 +
    1.70 +using namespace Assimp;
    1.71 +using namespace Assimp::Formatter;
    1.72 +using namespace Assimp::FBX;
    1.73 +
    1.74 +namespace {
    1.75 +static const aiImporterDesc desc = {
    1.76 +	"Autodesk FBX Importer",
    1.77 +	"",
    1.78 +	"",
    1.79 +	"",
    1.80 +	aiImporterFlags_SupportTextFlavour,
    1.81 +	0,
    1.82 +	0,
    1.83 +	0,
    1.84 +	0,
    1.85 +	"fbx" 
    1.86 +};
    1.87 +}
    1.88 +
    1.89 +// ------------------------------------------------------------------------------------------------
    1.90 +// Constructor to be privately used by #Importer
    1.91 +FBXImporter::FBXImporter()
    1.92 +{}
    1.93 +
    1.94 +// ------------------------------------------------------------------------------------------------
    1.95 +// Destructor, private as well 
    1.96 +FBXImporter::~FBXImporter()
    1.97 +{
    1.98 +}
    1.99 +
   1.100 +// ------------------------------------------------------------------------------------------------
   1.101 +// Returns whether the class can handle the format of the given file. 
   1.102 +bool FBXImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
   1.103 +{
   1.104 +	const std::string& extension = GetExtension(pFile);
   1.105 +	if (extension == "fbx") {
   1.106 +		return true;
   1.107 +	}
   1.108 +
   1.109 +	else if ((!extension.length() || checkSig) && pIOHandler)	{
   1.110 +		// at least ascii FBX files usually have a 'FBX' somewhere in their head
   1.111 +		const char* tokens[] = {"FBX"};
   1.112 +		return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1);
   1.113 +	}
   1.114 +	return false;
   1.115 +}
   1.116 +
   1.117 +// ------------------------------------------------------------------------------------------------
   1.118 +// List all extensions handled by this loader
   1.119 +const aiImporterDesc* FBXImporter::GetInfo () const
   1.120 +{
   1.121 +	return &desc;
   1.122 +}
   1.123 +
   1.124 +
   1.125 +// ------------------------------------------------------------------------------------------------
   1.126 +// Setup configuration properties for the loader
   1.127 +void FBXImporter::SetupProperties(const Importer* pImp)
   1.128 +{
   1.129 +	settings.readAllLayers = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_GEOMETRY_LAYERS, true);
   1.130 +	settings.readAllMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ALL_MATERIALS, false);
   1.131 +	settings.readMaterials = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_MATERIALS, true);
   1.132 +	settings.readCameras = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_CAMERAS, true);
   1.133 +	settings.readLights = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_LIGHTS, true);
   1.134 +	settings.readAnimations = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_READ_ANIMATIONS, true);
   1.135 +	settings.strictMode = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_STRICT_MODE, false);
   1.136 +	settings.preservePivots = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_PRESERVE_PIVOTS, true);
   1.137 +	settings.optimizeEmptyAnimationCurves = pImp->GetPropertyBool(AI_CONFIG_IMPORT_FBX_OPTIMIZE_EMPTY_ANIMATION_CURVES, true);
   1.138 +}
   1.139 +
   1.140 +
   1.141 +// ------------------------------------------------------------------------------------------------
   1.142 +// Imports the given file into the given scene structure. 
   1.143 +void FBXImporter::InternReadFile( const std::string& pFile, 
   1.144 +	aiScene* pScene, IOSystem* pIOHandler)
   1.145 +{
   1.146 +	boost::scoped_ptr<IOStream> stream(pIOHandler->Open(pFile,"rb"));
   1.147 +	if (!stream) {
   1.148 +		ThrowException("Could not open file for reading");
   1.149 +	}
   1.150 +
   1.151 +	// read entire file into memory - no streaming for this, fbx
   1.152 +	// files can grow large, but the assimp output data structure
   1.153 +	// then becomes very large, too. Assimp doesn't support
   1.154 +	// streaming for its output data structures so the net win with
   1.155 +	// streaming input data would be very low.
   1.156 +	std::vector<char> contents;
   1.157 +	contents.resize(stream->FileSize());
   1.158 +
   1.159 +	stream->Read(&*contents.begin(),contents.size(),1);
   1.160 +	const char* const begin = &*contents.begin();
   1.161 +
   1.162 +	// broadphase tokenizing pass in which we identify the core
   1.163 +	// syntax elements of FBX (brackets, commas, key:value mappings)
   1.164 +	TokenList tokens;
   1.165 +	try {
   1.166 +
   1.167 +		bool is_binary = false;
   1.168 +		if (!strncmp(begin,"Kaydara FBX Binary",18)) {
   1.169 +			is_binary = true;
   1.170 +			TokenizeBinary(tokens,begin,contents.size());
   1.171 +		}
   1.172 +		else {
   1.173 +			Tokenize(tokens,begin);
   1.174 +		}
   1.175 +
   1.176 +		// use this information to construct a very rudimentary 
   1.177 +		// parse-tree representing the FBX scope structure
   1.178 +		Parser parser(tokens, is_binary);
   1.179 +
   1.180 +		// take the raw parse-tree and convert it to a FBX DOM
   1.181 +		Document doc(parser,settings);
   1.182 +
   1.183 +		// convert the FBX DOM to aiScene
   1.184 +		ConvertToAssimpScene(pScene,doc);
   1.185 +	}
   1.186 +	catch(std::exception&) {
   1.187 +		std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>());
   1.188 +		throw;
   1.189 +	}
   1.190 +}
   1.191 +
   1.192 +#endif // !ASSIMP_BUILD_NO_FBX_IMPORTER