214 lines
6.9 KiB
C++
214 lines
6.9 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2017, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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#ifndef AI_OPENGEX_IMPORTER_H
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#define AI_OPENGEX_IMPORTER_H
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#ifndef ASSIMP_BUILD_NO_OPENGEX_IMPORTER
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#include "BaseImporter.h"
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#include <assimp/mesh.h>
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#include <vector>
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#include <list>
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#include <map>
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#include <memory>
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namespace ODDLParser {
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class DDLNode;
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struct Context;
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}
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struct aiNode;
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struct aiMaterial;
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struct aiCamera;
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struct aiLight;
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namespace Assimp {
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namespace OpenGEX {
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struct MetricInfo {
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enum Type {
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Distance = 0,
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Angle,
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Time,
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Up,
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Max
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};
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std::string m_stringValue;
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float m_floatValue;
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int m_intValue;
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MetricInfo()
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: m_stringValue( "" )
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, m_floatValue( 0.0f )
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, m_intValue( -1 ) {
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// empty
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}
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};
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/** @brief This class is used to implement the OpenGEX importer
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*
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* See http://opengex.org/OpenGEX.pdf for spec.
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*/
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class OpenGEXImporter : public BaseImporter {
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public:
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/// The class constructor.
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OpenGEXImporter();
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/// The class destructor.
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virtual ~OpenGEXImporter();
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/// BaseImporter override.
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virtual bool CanRead( const std::string &file, IOSystem *pIOHandler, bool checkSig ) const;
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/// BaseImporter override.
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virtual void InternReadFile( const std::string &file, aiScene *pScene, IOSystem *pIOHandler );
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/// BaseImporter override.
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virtual const aiImporterDesc *GetInfo() const;
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/// BaseImporter override.
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virtual void SetupProperties( const Importer *pImp );
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protected:
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void handleNodes( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleMetricNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleNameNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleObjectRefNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleMaterialRefNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleGeometryNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleCameraNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleLightNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleGeometryObject( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleCameraObject( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleLightObject( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleTransformNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleMeshNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleVertexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleIndexArrayNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleMaterialNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleColorNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleTextureNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleParamNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void handleAttenNode( ODDLParser::DDLNode *node, aiScene *pScene );
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void copyMeshes( aiScene *pScene );
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void copyCameras( aiScene *pScene );
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void copyLights( aiScene *pScene );
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void copyMaterials( aiScene *pScene );
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void resolveReferences();
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void pushNode( aiNode *node, aiScene *pScene );
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aiNode *popNode();
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aiNode *top() const;
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void clearNodeStack();
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void createNodeTree( aiScene *pScene );
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private:
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struct VertexContainer {
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size_t m_numVerts;
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aiVector3D *m_vertices;
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size_t m_numColors;
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aiColor4D *m_colors;
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size_t m_numNormals;
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aiVector3D *m_normals;
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size_t m_numUVComps[ AI_MAX_NUMBER_OF_TEXTURECOORDS ];
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aiVector3D *m_textureCoords[ AI_MAX_NUMBER_OF_TEXTURECOORDS ];
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VertexContainer();
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~VertexContainer();
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VertexContainer( const VertexContainer & ) = delete;
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VertexContainer &operator = ( const VertexContainer & ) = delete;
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};
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struct RefInfo {
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enum Type {
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MeshRef,
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MaterialRef
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};
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aiNode *m_node;
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Type m_type;
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std::vector<std::string> m_Names;
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RefInfo( aiNode *node, Type type, std::vector<std::string> &names );
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~RefInfo();
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RefInfo( const RefInfo & ) = delete;
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RefInfo &operator = ( const RefInfo & ) = delete;
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};
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struct ChildInfo {
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typedef std::list<aiNode*> NodeList;
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std::list<aiNode*> m_children;
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};
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ChildInfo *m_root;
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typedef std::map<aiNode*, std::unique_ptr<ChildInfo> > NodeChildMap;
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NodeChildMap m_nodeChildMap;
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std::vector<aiMesh*> m_meshCache;
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typedef std::map<std::string, size_t> ReferenceMap;
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std::map<std::string, size_t> m_mesh2refMap;
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std::map<std::string, size_t> m_material2refMap;
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ODDLParser::Context *m_ctx;
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MetricInfo m_metrics[ MetricInfo::Max ];
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aiNode *m_currentNode;
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VertexContainer m_currentVertices;
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aiMesh *m_currentMesh;
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aiMaterial *m_currentMaterial;
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aiLight *m_currentLight;
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aiCamera *m_currentCamera;
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int m_tokenType;
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std::vector<aiMaterial*> m_materialCache;
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std::vector<aiCamera*> m_cameraCache;
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std::vector<aiLight*> m_lightCache;
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std::vector<aiNode*> m_nodeStack;
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std::vector<std::unique_ptr<RefInfo> > m_unresolvedRefStack;
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};
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} // Namespace OpenGEX
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} // Namespace Assimp
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#endif // ASSIMP_BUILD_NO_OPENGEX_IMPORTER
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#endif // AI_OPENGEX_IMPORTER_H
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