/home/cube/sources/osgearth/src/osgEarthDrivers/engine_droam/DRoamNode

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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2010 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_DROAM_MAPNODE_H
#define OSGEARTH_ENGINE_DROAM_MAPNODE_H 1

#include "MeshManager"
#include <osg/CoordinateSystemNode>
#include <osg/Geode>
#include <osg/NodeVisitor>
#include <osgEarth/Map>

class DRoamNode : public osg::CoordinateSystemNode
{
public:
    DRoamNode( Map* map =0L );
    DRoamNode( const DRoamNode& rhs, const osg::CopyOp& op =osg::CopyOp::DEEP_COPY_ALL );
    META_Node(osgEarth,DRoamNode);

private:
    osg::ref_ptr<osg::Geode>          _geode;
    osg::ref_ptr<Manifold>            _manifold;
    osg::ref_ptr<MeshManager>         _mesh;
    osg::ref_ptr<osgEarth::Map>       _map;

private:
    void update( osg::NodeVisitor* nv );
    void cull( osg::NodeVisitor* nv );

    struct MyCullCallback : public osg::NodeCallback {
        void operator()( osg::Node* node, osg::NodeVisitor* nv ) {
            static_cast<DRoamNode*>(node)->cull( nv );
            traverse( node, nv );
        }
    };
    friend struct MyCullCallback;

    struct MyUpdateCallback : public osg::NodeCallback {
        void operator()( osg::Node* node, osg::NodeVisitor* nv ) {
            static_cast<DRoamNode*>(node)->update( nv );
            traverse( node, nv );
        }
    };
    friend struct MyUpdateCallback;
};

#endif // OSGEARTH_ENGINE_DROAM_MAPNODE_H