X3DCoordinateNode.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 __X3DCOORDINATENODE_H__
#define __X3DCOORDINATENODE_H__
 
#include <H3D/X3DGeometricPropertyNode.h>
#include <H3D/GLVertexAttributeObject.h>
#include <H3D/SFBool.h>
 
namespace H3D {
 
  class H3DAPI_API X3DCoordinateNode : 
    public X3DGeometricPropertyNode, 
    public GLVertexAttributeObject {
  public:
    // Iterator for X3DCoordinateNode, iterates through point field
    // value of X3DCoordinateNode
    X3DCoordinateNode( Inst< SFNode>  _metadata = 0);
 
    // Gets the coordinate of a given index.
    virtual Vec3f getCoord( int index ) = 0;
 
    virtual void render( int /*index*/ ) {}
 
    virtual void renderArray() {}
 
    virtual void disableArray() {}
 
    virtual string defaultXMLContainerField() {
      return "coord";
    }
 
    virtual unsigned int nrAvailableCoords() = 0; 
 
    virtual void setAttributeData ( ){};
 
    virtual void renderVBO ( ){};
 
    virtual void disableVBO ( ){};
 
    class Iterator {
    private:
      X3DCoordinateNode *coord;
      int index;
 
    public:
      Iterator( X3DCoordinateNode* c ) : coord( c ) {
        index = 0;
      }
 
      Iterator() : coord( NULL ) {
        index = -1;
      }
      
      inline Vec3f operator*() {
        return coord->getCoord( index );
      }
 
      inline Iterator& operator++() {
        if ( ++index == static_cast<int>(coord->nrAvailableCoords()) )
          index = -1;
        return *this;
      }
 
      inline Iterator operator++( int ) {
        Iterator temp = *this;
        ++(*this);
        return temp;
      }
 
      inline bool operator==( const Iterator &i ) {
       return this->index == i.index;
      }
 
      inline bool operator!=( const Iterator &i ) {
        return this->index != i.index;
      }
    };
 
    Iterator pointBegin() {
      return Iterator( this );
    }
 
    Iterator pointEnd() {
      return Iterator();
    }
 
  };
}
 
#endif