LineSet.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API 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.
//
//    H3D API 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 H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __LINESET_H__
#define __LINESET_H__
 
#include <H3D/X3DGeometryNode.h>
#include <H3D/DependentNodeFields.h>
#include <H3D/X3DCoordinateNode.h>
#include <H3D/X3DColorNode.h>
#include <H3D/CoordBoundField.h>
#include <H3D/MFInt32.h>
#include <H3D/FogCoordinate.h>
 
namespace H3D {
 
  class H3DAPI_API LineSet : public X3DGeometryNode {
  public:
    H3D_VALUE_EXCEPTION( int, InvalidVertexCountValue );
 
    typedef DependentSFNode< X3DCoordinateNode,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DCoordinateNode::propertyChanged > > 
    SFCoordinateNode;
 
    typedef DependentSFNode< X3DColorNode,
                             FieldRef< X3DGeometricPropertyNode,
                                       Field,
                                       &X3DColorNode::propertyChanged > > 
    SFColorNode;
 
    typedef DependentSFNode< 
                FogCoordinate,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &FogCoordinate::propertyChanged > > 
    SFFogCoordinate; 
 
    typedef CoordBoundField SFBound;
 
    class H3DAPI_API MFVertexAttributeNode : public DependentMFNode< 
                X3DVertexAttributeNode,
                FieldRef< X3DGeometricPropertyNode,
                          Field,
                          &X3DVertexAttributeNode::propertyChanged > > {
    };
 
    class H3DAPI_API DisplayList: public X3DGeometryNode::DisplayList {
    public:
      virtual void callList( bool build_list = true );
    };
 
    LineSet( Inst< SFNode           > _metadata       = 0,
             Inst< SFBound          > _bound          = 0,
             Inst< DisplayList      > _displayList    = 0,
             Inst< SFColorNode      > _color          = 0,
             Inst< SFCoordinateNode > _coord          = 0,
             Inst< MFInt32          > _vertexCount    = 0,
             Inst< SFFogCoordinate  > _fogCoord       = 0,
             Inst< MFVertexAttributeNode > _attrib    = 0 );
 
    virtual int nrLines() {
      X3DCoordinateNode *coord_node = coord->getValue();
      if( coord_node ) {
        unsigned int size = coord_node->nrAvailableCoords();
        if( size > 1 )return size - 1;
      }
      return 0;
    }
 
    virtual void render();
 
    // Traverse the scenegraph. See X3DGeometryNode::traverseSG
    // for more info.
    virtual void traverseSG( TraverseInfo &ti );
 
    H3DUniquePtr< SFColorNode  > color;
 
    H3DUniquePtr< SFCoordinateNode  > coord;
 
    H3DUniquePtr< MFInt32 > vertexCount;
    
    H3DUniquePtr< SFFogCoordinate > fogCoord;
 
    H3DUniquePtr< MFVertexAttributeNode > attrib;
 
    static H3DNodeDatabase database;
 
    protected:
      bool render_patches;
  };
}
 
#endif