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annotate libs/assimp/XGLLoader.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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nuclear@0 1 /*
nuclear@0 2 Open Asset Import Library (assimp)
nuclear@0 3 ----------------------------------------------------------------------
nuclear@0 4
nuclear@0 5 Copyright (c) 2006-2012, assimp team
nuclear@0 6 All rights reserved.
nuclear@0 7
nuclear@0 8 Redistribution and use of this software in source and binary forms,
nuclear@0 9 with or without modification, are permitted provided that the
nuclear@0 10 following conditions are met:
nuclear@0 11
nuclear@0 12 * Redistributions of source code must retain the above
nuclear@0 13 copyright notice, this list of conditions and the
nuclear@0 14 following disclaimer.
nuclear@0 15
nuclear@0 16 * Redistributions in binary form must reproduce the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer in the documentation and/or other
nuclear@0 19 materials provided with the distribution.
nuclear@0 20
nuclear@0 21 * Neither the name of the assimp team, nor the names of its
nuclear@0 22 contributors may be used to endorse or promote products
nuclear@0 23 derived from this software without specific prior
nuclear@0 24 written permission of the assimp team.
nuclear@0 25
nuclear@0 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 37
nuclear@0 38 ----------------------------------------------------------------------
nuclear@0 39 */
nuclear@0 40
nuclear@0 41 /** @file XGLLoader.h
nuclear@0 42 * @brief Declaration of the .xgl/.zgl
nuclear@0 43 */
nuclear@0 44 #ifndef AI_XGLLOADER_H_INCLUDED
nuclear@0 45 #define AI_XGLLOADER_H_INCLUDED
nuclear@0 46
nuclear@0 47 #include "BaseImporter.h"
nuclear@0 48 #include "irrXMLWrapper.h"
nuclear@0 49 #include "LogAux.h"
nuclear@0 50
nuclear@0 51 namespace Assimp {
nuclear@0 52
nuclear@0 53 // ---------------------------------------------------------------------------
nuclear@0 54 /** XGL/ZGL importer.
nuclear@0 55 *
nuclear@0 56 * Spec: http://vizstream.aveva.com/release/vsplatform/XGLSpec.htm
nuclear@0 57 */
nuclear@0 58 class XGLImporter : public BaseImporter, public LogFunctions<XGLImporter>
nuclear@0 59 {
nuclear@0 60 public:
nuclear@0 61
nuclear@0 62 XGLImporter();
nuclear@0 63 ~XGLImporter();
nuclear@0 64
nuclear@0 65
nuclear@0 66 public:
nuclear@0 67
nuclear@0 68 // -------------------------------------------------------------------
nuclear@0 69 /** Returns whether the class can handle the format of the given file.
nuclear@0 70 * See BaseImporter::CanRead() for details. */
nuclear@0 71 bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
nuclear@0 72 bool checkSig) const;
nuclear@0 73
nuclear@0 74 protected:
nuclear@0 75
nuclear@0 76 // -------------------------------------------------------------------
nuclear@0 77 /** Return importer meta information.
nuclear@0 78 * See #BaseImporter::GetInfo for the details */
nuclear@0 79 const aiImporterDesc* GetInfo () const;
nuclear@0 80
nuclear@0 81 // -------------------------------------------------------------------
nuclear@0 82 /** Imports the given file into the given scene structure.
nuclear@0 83 * See BaseImporter::InternReadFile() for details */
nuclear@0 84 void InternReadFile( const std::string& pFile, aiScene* pScene,
nuclear@0 85 IOSystem* pIOHandler);
nuclear@0 86
nuclear@0 87 private:
nuclear@0 88
nuclear@0 89 struct TempScope
nuclear@0 90 {
nuclear@0 91 TempScope()
nuclear@0 92 : light()
nuclear@0 93 {}
nuclear@0 94
nuclear@0 95 ~TempScope()
nuclear@0 96 {
nuclear@0 97 BOOST_FOREACH(aiMesh* m, meshes_linear) {
nuclear@0 98 delete m;
nuclear@0 99 }
nuclear@0 100
nuclear@0 101 BOOST_FOREACH(aiMaterial* m, materials_linear) {
nuclear@0 102 delete m;
nuclear@0 103 }
nuclear@0 104
nuclear@0 105 delete light;
nuclear@0 106 }
nuclear@0 107
nuclear@0 108 void dismiss() {
nuclear@0 109 light = NULL;
nuclear@0 110 meshes_linear.clear();
nuclear@0 111 materials_linear.clear();
nuclear@0 112 meshes.clear();
nuclear@0 113 materials.clear();
nuclear@0 114 }
nuclear@0 115
nuclear@0 116 std::multimap<unsigned int, aiMesh*> meshes;
nuclear@0 117 std::map<unsigned int, aiMaterial*> materials;
nuclear@0 118
nuclear@0 119 std::vector<aiMesh*> meshes_linear;
nuclear@0 120 std::vector<aiMaterial*> materials_linear;
nuclear@0 121
nuclear@0 122 aiLight* light;
nuclear@0 123 };
nuclear@0 124
nuclear@0 125 struct TempMesh
nuclear@0 126 {
nuclear@0 127 std::map<unsigned int, aiVector3D> points;
nuclear@0 128 std::map<unsigned int, aiVector3D> normals;
nuclear@0 129 std::map<unsigned int, aiVector2D> uvs;
nuclear@0 130 };
nuclear@0 131
nuclear@0 132 struct TempMaterialMesh
nuclear@0 133 {
nuclear@0 134 TempMaterialMesh()
nuclear@0 135 : pflags()
nuclear@0 136 , matid()
nuclear@0 137 {}
nuclear@0 138
nuclear@0 139 std::vector<aiVector3D> positions, normals;
nuclear@0 140 std::vector<aiVector2D> uvs;
nuclear@0 141
nuclear@0 142 std::vector<unsigned int> vcounts;
nuclear@0 143 unsigned int pflags;
nuclear@0 144 unsigned int matid;
nuclear@0 145 };
nuclear@0 146
nuclear@0 147 struct TempFace
nuclear@0 148 {
nuclear@0 149 TempFace()
nuclear@0 150 : has_uv()
nuclear@0 151 , has_normal()
nuclear@0 152 {}
nuclear@0 153
nuclear@0 154 aiVector3D pos;
nuclear@0 155 aiVector3D normal;
nuclear@0 156 aiVector2D uv;
nuclear@0 157 bool has_uv;
nuclear@0 158 bool has_normal;
nuclear@0 159 };
nuclear@0 160
nuclear@0 161 private:
nuclear@0 162
nuclear@0 163 void Cleanup();
nuclear@0 164
nuclear@0 165 std::string GetElementName();
nuclear@0 166 bool ReadElement();
nuclear@0 167 bool ReadElementUpToClosing(const char* closetag);
nuclear@0 168 bool SkipToText();
nuclear@0 169 unsigned int ReadIDAttr();
nuclear@0 170
nuclear@0 171 void ReadWorld(TempScope& scope);
nuclear@0 172 void ReadLighting(TempScope& scope);
nuclear@0 173 aiLight* ReadDirectionalLight();
nuclear@0 174 aiNode* ReadObject(TempScope& scope,bool skipFirst = false,const char* closetag = "object");
nuclear@0 175 bool ReadMesh(TempScope& scope);
nuclear@0 176 void ReadMaterial(TempScope& scope);
nuclear@0 177 aiVector2D ReadVec2();
nuclear@0 178 aiVector3D ReadVec3();
nuclear@0 179 aiColor3D ReadCol3();
nuclear@0 180 aiMatrix4x4 ReadTrafo();
nuclear@0 181 unsigned int ReadIndexFromText();
nuclear@0 182 float ReadFloat();
nuclear@0 183
nuclear@0 184 aiMesh* ToOutputMesh(const TempMaterialMesh& m);
nuclear@0 185 void ReadFaceVertex(const TempMesh& t, TempFace& out);
nuclear@0 186 unsigned int ResolveMaterialRef(TempScope& scope);
nuclear@0 187
nuclear@0 188 private:
nuclear@0 189
nuclear@0 190
nuclear@0 191 private:
nuclear@0 192
nuclear@0 193 irr::io::IrrXMLReader* reader;
nuclear@0 194 aiScene* scene;
nuclear@0 195 };
nuclear@0 196
nuclear@0 197 } // end of namespace Assimp
nuclear@0 198
nuclear@0 199 #endif // AI_IRRMESHIMPORTER_H_INC