vrshoot
diff libs/assimp/XGLLoader.h @ 0:b2f14e535253
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sat, 01 Feb 2014 19:58:19 +0200 |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/assimp/XGLLoader.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,199 @@ 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 XGLLoader.h 1.45 + * @brief Declaration of the .xgl/.zgl 1.46 + */ 1.47 +#ifndef AI_XGLLOADER_H_INCLUDED 1.48 +#define AI_XGLLOADER_H_INCLUDED 1.49 + 1.50 +#include "BaseImporter.h" 1.51 +#include "irrXMLWrapper.h" 1.52 +#include "LogAux.h" 1.53 + 1.54 +namespace Assimp { 1.55 + 1.56 +// --------------------------------------------------------------------------- 1.57 +/** XGL/ZGL importer. 1.58 + * 1.59 + * Spec: http://vizstream.aveva.com/release/vsplatform/XGLSpec.htm 1.60 + */ 1.61 +class XGLImporter : public BaseImporter, public LogFunctions<XGLImporter> 1.62 +{ 1.63 +public: 1.64 + 1.65 + XGLImporter(); 1.66 + ~XGLImporter(); 1.67 + 1.68 + 1.69 +public: 1.70 + 1.71 + // ------------------------------------------------------------------- 1.72 + /** Returns whether the class can handle the format of the given file. 1.73 + * See BaseImporter::CanRead() for details. */ 1.74 + bool CanRead( const std::string& pFile, IOSystem* pIOHandler, 1.75 + bool checkSig) const; 1.76 + 1.77 +protected: 1.78 + 1.79 + // ------------------------------------------------------------------- 1.80 + /** Return importer meta information. 1.81 + * See #BaseImporter::GetInfo for the details */ 1.82 + const aiImporterDesc* GetInfo () const; 1.83 + 1.84 + // ------------------------------------------------------------------- 1.85 + /** Imports the given file into the given scene structure. 1.86 + * See BaseImporter::InternReadFile() for details */ 1.87 + void InternReadFile( const std::string& pFile, aiScene* pScene, 1.88 + IOSystem* pIOHandler); 1.89 + 1.90 +private: 1.91 + 1.92 + struct TempScope 1.93 + { 1.94 + TempScope() 1.95 + : light() 1.96 + {} 1.97 + 1.98 + ~TempScope() 1.99 + { 1.100 + BOOST_FOREACH(aiMesh* m, meshes_linear) { 1.101 + delete m; 1.102 + } 1.103 + 1.104 + BOOST_FOREACH(aiMaterial* m, materials_linear) { 1.105 + delete m; 1.106 + } 1.107 + 1.108 + delete light; 1.109 + } 1.110 + 1.111 + void dismiss() { 1.112 + light = NULL; 1.113 + meshes_linear.clear(); 1.114 + materials_linear.clear(); 1.115 + meshes.clear(); 1.116 + materials.clear(); 1.117 + } 1.118 + 1.119 + std::multimap<unsigned int, aiMesh*> meshes; 1.120 + std::map<unsigned int, aiMaterial*> materials; 1.121 + 1.122 + std::vector<aiMesh*> meshes_linear; 1.123 + std::vector<aiMaterial*> materials_linear; 1.124 + 1.125 + aiLight* light; 1.126 + }; 1.127 + 1.128 + struct TempMesh 1.129 + { 1.130 + std::map<unsigned int, aiVector3D> points; 1.131 + std::map<unsigned int, aiVector3D> normals; 1.132 + std::map<unsigned int, aiVector2D> uvs; 1.133 + }; 1.134 + 1.135 + struct TempMaterialMesh 1.136 + { 1.137 + TempMaterialMesh() 1.138 + : pflags() 1.139 + , matid() 1.140 + {} 1.141 + 1.142 + std::vector<aiVector3D> positions, normals; 1.143 + std::vector<aiVector2D> uvs; 1.144 + 1.145 + std::vector<unsigned int> vcounts; 1.146 + unsigned int pflags; 1.147 + unsigned int matid; 1.148 + }; 1.149 + 1.150 + struct TempFace 1.151 + { 1.152 + TempFace() 1.153 + : has_uv() 1.154 + , has_normal() 1.155 + {} 1.156 + 1.157 + aiVector3D pos; 1.158 + aiVector3D normal; 1.159 + aiVector2D uv; 1.160 + bool has_uv; 1.161 + bool has_normal; 1.162 + }; 1.163 + 1.164 +private: 1.165 + 1.166 + void Cleanup(); 1.167 + 1.168 + std::string GetElementName(); 1.169 + bool ReadElement(); 1.170 + bool ReadElementUpToClosing(const char* closetag); 1.171 + bool SkipToText(); 1.172 + unsigned int ReadIDAttr(); 1.173 + 1.174 + void ReadWorld(TempScope& scope); 1.175 + void ReadLighting(TempScope& scope); 1.176 + aiLight* ReadDirectionalLight(); 1.177 + aiNode* ReadObject(TempScope& scope,bool skipFirst = false,const char* closetag = "object"); 1.178 + bool ReadMesh(TempScope& scope); 1.179 + void ReadMaterial(TempScope& scope); 1.180 + aiVector2D ReadVec2(); 1.181 + aiVector3D ReadVec3(); 1.182 + aiColor3D ReadCol3(); 1.183 + aiMatrix4x4 ReadTrafo(); 1.184 + unsigned int ReadIndexFromText(); 1.185 + float ReadFloat(); 1.186 + 1.187 + aiMesh* ToOutputMesh(const TempMaterialMesh& m); 1.188 + void ReadFaceVertex(const TempMesh& t, TempFace& out); 1.189 + unsigned int ResolveMaterialRef(TempScope& scope); 1.190 + 1.191 +private: 1.192 + 1.193 + 1.194 +private: 1.195 + 1.196 + irr::io::IrrXMLReader* reader; 1.197 + aiScene* scene; 1.198 +}; 1.199 + 1.200 +} // end of namespace Assimp 1.201 + 1.202 +#endif // AI_IRRMESHIMPORTER_H_INC