kicad/3d-viewer/3d_cache/sg/sg_faceset.h

118 lines
3.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2017 Cirilo Bernardo <cirilo.bernardo@gmail.com>
* 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
*/
/**
* @file sg_faceset.h
*/
#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;
/**
* Define an indexed face set for a scenegraph.
*/
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;
/**
* Add all internal coordinate indices to the given list in preparation for a normals
* calculation.
*/
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