110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file scenegraph.h
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*/
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#ifndef SCENE_GRAPH_H
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#define SCENE_GRAPH_H
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#include <vector>
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#include "3d_cache/sg/sg_node.h"
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class SGSHAPE;
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/**
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* Define the basic data set required to represent a 3D model.
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*
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* This model must remain compatible with VRML2.0 in order to facilitate VRML export of
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* scene graph data created by available 3D plugins.
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*/
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class SCENEGRAPH : public SGNODE
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{
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public:
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void unlinkChildNode( const SGNODE* aNode ) override;
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void unlinkRefNode( const SGNODE* aNode ) override;
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SCENEGRAPH( SGNODE* aParent );
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virtual ~SCENEGRAPH();
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virtual bool SetParent( SGNODE* aParent, bool notify = true ) override;
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SGNODE* FindNode(const char *aNodeName, const SGNODE *aCaller) override;
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bool AddRefNode( SGNODE* aNode ) override;
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bool AddChildNode( SGNODE* aNode ) override;
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void ReNameNodes( void ) override;
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bool WriteVRML( std::ostream& aFile, bool aReuseFlag ) override;
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bool WriteCache( std::ostream& aFile, SGNODE* parentNode ) override;
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bool ReadCache( std::istream& aFile, SGNODE* parentNode ) override;
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bool Prepare( const glm::dmat4* aTransform, S3D::MATLIST& materials,
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std::vector< SMESH >& meshes );
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private:
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void unlinkNode( const SGNODE* aNode, bool isChild );
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bool addNode( SGNODE* aNode, bool isChild );
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public:
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// note: order of transformation is Translate, Rotate, Offset
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SGPOINT center;
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SGPOINT translation;
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SGVECTOR rotation_axis;
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double rotation_angle; // radians
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SGPOINT scale;
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SGVECTOR scale_axis;
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double scale_angle; // radians
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private:
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// The following are items which may be defined for reuse
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// in a VRML output file. They do not necessarily correspond
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// to the use of DEF within a VRML input file; it is the
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// responsibility of the plugin to perform any necessary
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// conversions to comply with the restrictions imposed by
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// this scene graph structure
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std::vector< SCENEGRAPH* > m_Transforms; // local Transform nodes
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std::vector< SGSHAPE* > m_Shape; // local Shape nodes
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std::vector< SCENEGRAPH* > m_RTransforms; // referenced Transform nodes
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std::vector< SGSHAPE* > m_RShape; // referenced Shape nodes
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};
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/*
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p.120
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Transform {
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center 0 0 0
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children []
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rotation 0 0 1 0
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scale 1 1 1
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scaleOrientation 0 0 1 0
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translation 0 0 0
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bboxCenter 0 0 0
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bboxSize -1 -1 -1
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}
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*/
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#endif // SCENE_GRAPH_H
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