sg_faceset.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015-2017 Cirilo Bernardo <[email protected]>
 * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef SG_FACESET_H
#define SG_FACESET_H

#include <vector>
#include "3d_cache/sg/sg_node.h"


class SGCOLORS;
class SGCOORDS;
class SGNORMALS;
class SGCOLORINDEX;
class SGCOORDINDEX;

class SGFACESET : public SGNODE
{
public:
 SGFACESET( SGNODE* aParent );
 virtual ~SGFACESET();

 virtual bool SetParent( SGNODE* aParent, bool notify = true ) override;

 SGNODE* FindNode( const char* aNodeName, const SGNODE* aCaller ) override;
 bool AddRefNode( SGNODE* aNode ) override;
 bool AddChildNode( SGNODE* aNode ) override;

 bool CalcNormals( SGNODE** aPtr );

 void ReNameNodes( void ) override;
 bool WriteVRML( std::ostream& aFile, bool aReuseFlag ) override;

 bool WriteCache( std::ostream& aFile, SGNODE* parentNode ) override;
 bool ReadCache( std::istream& aFile, SGNODE* parentNode ) override;

 void GatherCoordIndices( std::vector< int >& aIndexList );

 void unlinkChildNode( const SGNODE* aNode ) override;
 void unlinkRefNode( const SGNODE* aNode ) override;

 // validate the data held by this face set
 bool validate( void );

 // owned objects
 SGCOLORS* m_Colors;
 SGCOORDS* m_Coords;
 SGCOORDINDEX* m_CoordIndices;
 SGNORMALS* m_Normals;

 // referenced objects
 SGCOLORS* m_RColors;
 SGCOORDS* m_RCoords;
 SGNORMALS* m_RNormals;

private:
 bool valid;
 bool validated;
 void unlinkNode( const SGNODE* aNode, bool isChild );
 bool addNode( SGNODE* aNode, bool isChild );

};

/*
 p.88
 IndexedFaceSet {
 color NULL
 coord NULL
 normal NULL
 texCoord NULL
 ccw TRUE
 colorIndex []
 colorPerVertex TRUE
 convex TRUE
 coordIndex []
 creaseAngle 0
 normalIndex []
 normalPerVertex TRUE
 solid TRUE
 texCoordIndex []
 }
*/

#endif // SG_FACESET_H