/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield 
 *
 * This library is open source and may be redistributed and/or modified under  
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 * 
 * This library 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 
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSG_TexGenNode
#define OSG_TexGenNode 1

#include <osg/Group>
#include <osg/TexGen>

namespace osg {

/** Node for defining the position of TexGen in the scene.*/
class SG_EXPORT TexGenNode : public Group
{

    public:

        TexGenNode();
        TexGenNode(TexGen* texgen);

        TexGenNode(const TexGenNode& tgb, const CopyOp& copyop=CopyOp::SHALLOW_COPY);

        META_Node(osg, TexGenNode);
	
        /** Set the TexGen.*/
        void setTexGen(TexGen* texgen);

        /** Get the TexGen.*/
        inline TexGen* getTexGen() { return _texgen.get(); }

        /** Get the const TexGen.*/
        inline const TexGen* getTexGen() const { return _texgen.get(); }

        /** Set the GLModes on StateSet associated with the TexGen.*/
        void setStateSetModes(StateSet&,StateAttribute::GLModeValue) const;

        /** Set up the local StateSet */
        void setLocalStateSetModes(StateAttribute::GLModeValue=StateAttribute::ON);

    protected:

        virtual ~TexGenNode();

        StateAttribute::GLModeValue _value;
        osg::ref_ptr<TexGen> _texgen;
};

}

#endif