/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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_ENGINE_SERIAL_KEY_NODE_FACTORY
#define OSGEARTH_ENGINE_SERIAL_KEY_NODE_FACTORY 1

#include "Common"
#include "KeyNodeFactory"
#include "TerrainNode"
#include "TileBuilder"

namespace osgEarth_engine_osgterrain
{
    using namespace osgEarth;

    class SerialKeyNodeFactory : public KeyNodeFactory
    {
    public:
        SerialKeyNodeFactory(
            TileBuilder*             builder,
            const OSGTerrainOptions& options,
            const MapInfo&           mapInfo,
            TerrainNode*             terrain,
            UID                      engineUID );

        /** dtor */
        virtual ~SerialKeyNodeFactory() { }

        osg::Node* createRootNode( const TileKey& key );
        osg::Node* createNode( const TileKey& key );

    protected:
        void addTile(Tile* tile, bool tileHasRealData, bool tileHasLodBlending, osg::Group* parent );

        osg::ref_ptr< TileBuilder> _builder;
        const OSGTerrainOptions& _options;
        const MapInfo            _mapInfo;
        osg::ref_ptr< TerrainNode > _terrain;
        UID                      _engineUID;
    };

} // namespace osgEarth_engine_osgterrain

#endif // OSGEARTH_ENGINE_PARALLEL_KEY_NODE_FACTORY
