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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/OverlayNode>
#include <osg/Group>

namespace osgEarth
{
    class MapNode;

    /**
     * Base class for a graph that can be "draped" on the MapNode terrain
     * using the overlay decorator.
     *
     * Usage: Create this node and put it anywhere in the scene graph. The
     * subgraph of this node will be draped on the MapNode's terrain.
     */
    class OSGEARTH_EXPORT DrapeableNode : public OverlayNode
    {
    public:
        /**
         * Constructs a new drapeable node.
         */
        DrapeableNode( MapNode* mapNode, bool active =true );

        /** Backwards compatibility */
        void setDraped( bool value ) { setActive(value); }
        bool getDraped() const { return getActive(); }

    protected:
        /** dtor */
        virtual ~DrapeableNode() { }
    };

} // namespace osgEarth

#endif // OSGEARTH_DRAPEABLE_NODE_H