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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2011 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */

#ifndef OSGEARTH_DRAPEABLE_NODE_H
#define OSGEARTH_DRAPEABLE_NODE_H 1

#include <osgEarth/Common>
#include <osgEarth/MapNode>

namespace osgEarth
{
    class OSGEARTH_EXPORT DrapeableNode : public osg::Group
    {
    public:
        DrapeableNode( MapNode* mapNode =0L, bool draped =true );

        void setNode( osg::Node* node );
        osg::Node* getNode() const { return _node.get(); }

        void setDraped( bool value );
        bool getDraped() const { return _draped; }

    public:
        virtual void traverse( osg::NodeVisitor& nv );

    protected:
        osg::observer_ptr<MapNode> _mapNode;

    private:
        bool                       _draped;
        osg::ref_ptr<osg::Node>    _node;
        osg::ref_ptr<osg::Group>   _nodeContainer;

        int                     _dirty;
        bool                    _newDraped;
        osg::ref_ptr<osg::Node> _newNode;

        void applyChanges();
        void setNodeImpl( osg::Node* );
        void setDrapedImpl( bool );
    };

} // namespace osgEarth

#endif // OSGEARTH_DRAPEABLE_NODE_H