RhinoParser.h

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/* $Id: RhinoParser.h,v 1.4 2002/12/05 15:30:41 cvs Exp $ */

#ifndef __RHINO_PARSER_H
#define __RHINO_PARSER_H

#include <esg/parser/Parser.h>
#include <esg/Definitions.h>
#include <esg/SceneGraphObject.h>
#include <esg/Shape.h>
#include <esg/Group.h>
#include <esg/geometry/Surface.h>
#include <esg/List.h>
#include <esg/AutoPtr.h>
#include <esg/AutoArray.h>
#include <opennurbs.h>

#include <stdio.h>

namespace esg {

class RhinoParser : public Parser {
protected:
    // arrays of shared materials
    int                 _matTableSize;
    AutoPtr<Material>** _specularMatTable;
    AutoPtr<Material>** _diffuseMatTable;
    AutoPtr<Material>** _ambientMatTable;
    //    AutoPtr<Material>** _emissiveMatTable;
    AutoPtr<Material>** _roughnessMatTable;

    // default shared materials
    AutoPtr<Material>*  _pDefSpecularMat;
    AutoPtr<Material>*  _pDefDiffuseMat;
    AutoPtr<Material>*  _pDefAmbientMat;
    //    AutoPtr<Material>*  _pDefEmissiveMat;
    AutoPtr<Material>*  _pDefRoughnessMat;

    static const int _objectFilter;    // which objects are accepted
    bool             _continueReading;
    ON_Workspace     _workspace;
    ON_BinaryFile *  _pFile;            // actually parsed file

    
protected:
    bool _read_bitmap_table   (ON_BinaryFile&);
    bool _read_material_table (ON_BinaryFile&);
    bool _read_layer_table    (ON_BinaryFile&);
    bool _read_group_table    (ON_BinaryFile&);
    bool _read_lights_table   (ON_BinaryFile&);

    Vertex3* _get_vertices       (const ON_Mesh&);
    Vector3* _get_normals        (const ON_Mesh&);
    Vector2* _get_texture_coords (const ON_Mesh&);
    
    void   _set_material (SceneGraphObject&,
                          const ON_3dmObjectAttributes&) const;
    Shape* _parse_mesh   (const ON_Mesh&);
    Shape* _parse_brep   (const ON_Brep&, int);
    void   _parse_object (const ON_Geometry&,const ON_3dmObjectAttributes&);

public:
    ON_String                        startComments;
    ON_3dmProperties                 properties;
    ON_3dmSettings                   settings;
    int                              version;
    ON_SimpleArray<ON_Bitmap*>       bitmapTable;
    //ON_ClassArray<ON_Material>       materialTable;
    ON_ClassArray<ON_Layer>          layerTable;
    ON_ClassArray<ON_Group>          groupTable;

public:
    RhinoParser (const char            * /* path */,
                 const SDS             & /* prototype */,
                 SceneGraphObject::OID   firstOID = 1,
                 Parser::Statistics    * pStat    = NULL  /* statistics */);
    
    virtual ~RhinoParser();
    
    virtual bool parseObject (void);
};

}; // namespace

#endif // __RHINO_PARSER_H

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