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Diffstat (limited to 'libs/assimp/code/AssetLib/OpenGEX/OpenGEXImporter.h')
| -rw-r--r-- | libs/assimp/code/AssetLib/OpenGEX/OpenGEXImporter.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/libs/assimp/code/AssetLib/OpenGEX/OpenGEXImporter.h b/libs/assimp/code/AssetLib/OpenGEX/OpenGEXImporter.h new file mode 100644 index 0000000..fca3eb1 --- /dev/null +++ b/libs/assimp/code/AssetLib/OpenGEX/OpenGEXImporter.h @@ -0,0 +1,213 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2022, 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. + +---------------------------------------------------------------------- +*/ +#pragma once +#ifndef AI_OPENGEX_IMPORTER_H +#define AI_OPENGEX_IMPORTER_H + +#ifndef ASSIMP_BUILD_NO_OPENGEX_IMPORTER + +#include <assimp/BaseImporter.h> +#include <assimp/mesh.h> + +#include <vector> +#include <list> +#include <map> +#include <memory> + +namespace ODDLParser { + class DDLNode; + struct Context; +} + +struct aiNode; +struct aiMaterial; +struct aiCamera; +struct aiLight; + +namespace Assimp { +namespace OpenGEX { + +struct MetricInfo { + enum Type { + Distance = 0, + Angle, + Time, + Up, + Max + }; + + std::string m_stringValue; + float m_floatValue; + int m_intValue; + + MetricInfo() + : m_stringValue( ) + , m_floatValue( 0.0f ) + , m_intValue( -1 ) { + // empty + } +}; + +/** @brief This class is used to implement the OpenGEX importer + * + * See http://opengex.org/OpenGEX.pdf for spec. + */ +class OpenGEXImporter : public BaseImporter { +public: + /// The class constructor. + OpenGEXImporter(); + + /// The class destructor. + ~OpenGEXImporter() override; + + /// BaseImporter override. + bool CanRead( const std::string &file, IOSystem *pIOHandler, bool checkSig ) const override; + +protected: + /// BaseImporter override. + void InternReadFile( const std::string &file, aiScene *pScene, IOSystem *pIOHandler ) override; + + /// BaseImporter override. + virtual const aiImporterDesc *GetInfo() const override; + + /// BaseImporter override. + virtual void SetupProperties( const Importer *pImp ) override; + + void handleNodes( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleMetricNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleNameNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleObjectRefNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleMaterialRefNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleGeometryNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleCameraNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleLightNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleGeometryObject( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleCameraObject( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleLightObject( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleTransformNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleMeshNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleVertexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleIndexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleMaterialNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleColorNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleTextureNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleParamNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void handleAttenNode( ODDLParser::DDLNode *node, aiScene *pScene ); + void copyMeshes( aiScene *pScene ); + void copyCameras( aiScene *pScene ); + void copyLights( aiScene *pScene ); + void copyMaterials( aiScene *pScene ); + void resolveReferences(); + void pushNode( aiNode *node, aiScene *pScene ); + aiNode *popNode(); + aiNode *top() const; + void clearNodeStack(); + void createNodeTree( aiScene *pScene ); + +private: + struct VertexContainer { + std::vector<aiVector3D> m_vertices; + size_t m_numColors; + aiColor4D *m_colors; + std::vector<aiVector3D> m_normals; + size_t m_numUVComps[ AI_MAX_NUMBER_OF_TEXTURECOORDS ]; + aiVector3D *m_textureCoords[ AI_MAX_NUMBER_OF_TEXTURECOORDS ]; + + VertexContainer(); + ~VertexContainer(); + + VertexContainer( const VertexContainer & ) = delete; + VertexContainer &operator = ( const VertexContainer & ) = delete; + }; + + struct RefInfo { + enum Type { + MeshRef, + MaterialRef + }; + + aiNode *m_node; + Type m_type; + std::vector<std::string> m_Names; + + RefInfo( aiNode *node, Type type, std::vector<std::string> &names ); + ~RefInfo(); + + RefInfo( const RefInfo & ) = delete; + RefInfo &operator = ( const RefInfo & ) = delete; + }; + + struct ChildInfo { + using NodeList = std::list<aiNode*>; + std::list<aiNode*> m_children; + }; + ChildInfo *m_root; + using NodeChildMap = std::map<aiNode*, std::unique_ptr<ChildInfo> >; + NodeChildMap m_nodeChildMap; + + std::vector<std::unique_ptr<aiMesh> > m_meshCache; + using ReferenceMap = std::map<std::string, size_t>; + std::map<std::string, size_t> m_mesh2refMap; + std::map<std::string, size_t> m_material2refMap; + + ODDLParser::Context *m_ctx; + MetricInfo m_metrics[ MetricInfo::Max ]; + aiNode *m_currentNode; + VertexContainer m_currentVertices; + aiMesh *m_currentMesh; // not owned, target is owned by m_meshCache + aiMaterial *m_currentMaterial; + aiLight *m_currentLight; + aiCamera *m_currentCamera; + int m_tokenType; + std::vector<aiMaterial*> m_materialCache; + std::vector<aiCamera*> m_cameraCache; + std::vector<aiLight*> m_lightCache; + std::vector<aiNode*> m_nodeStack; + std::vector<std::unique_ptr<RefInfo> > m_unresolvedRefStack; +}; + +} // Namespace OpenGEX +} // Namespace Assimp + +#endif // ASSIMP_BUILD_NO_OPENGEX_IMPORTER + +#endif // AI_OPENGEX_IMPORTER_H |