C:/Users/Robert/Documents/Visual Studio 2008/Projects/ferprojekt/TerrainEditor/TerrainEditor/Terrain.h

Go to the documentation of this file.

#ifndef __Terrain__
#define __Terrain__

#include <osg/Vec3d>
#include <osg/Group>
#include <osgDB/Registry>
#include <osg/Geode>
#include <osg/ref_ptr>
#include <osg/Uniform>
#include <osg/MatrixTransform>
#include <osg/Matrix>
#include <osg/Program>
#include <osg/ShapeDrawable>
#include <osg/Material>

#include "SharedResource.h"
#include "Thread.h"

#include "Log.h"
#include "MyNormalVisitor.h"
#include "TileData.h"
#include "TerrainDatabase.h"
#include "LODManager.h"
#include "TerrainGeometry.h"
#include "UAVDatabase.h"
#include "BitmapPool.h"
#include "Tile.h"

#include <list>
#include <string>

using namespace std;

class Terrain : public osg::Group, public SharedResource {
public:
    ~Terrain();

    double getVisibilityRadius();
    void setVisibilityRadius(double radius);
    void updatePosition(osg::Vec3d& position);

    double getHeight(double x, double y);

    static Terrain& instance();

    osg::Program* getTerrainShader();

    void stopAndJoinAll();

    const char* getFileName();
    void setFileName(const char* fileName);

    void resetDatabase();

protected:
    class Pager : public Thread, public SharedResource {
    public:
        static const int WAIT_STATE = 1;
        static const int READY_STATE = 2;

        Pager();
                
        void request(osg::Vec3d& position);     

        int getState();


        void operator()();

                Terrain& _terrain;
                
                void initLodManager();
                void initTerrainBuffers();

                void updateGeometry();
                void updateTiles();     

                void addTile(TileData* tileData, osg::Group* terrain);          
                void swapTerrainBuffers();
                                
                void releaseLodManager();               
                
                void addAirfields();
                void transformPosition(osg::MatrixTransform* mt, double latdeg, double latmin, double latsec, double londeg, double lonmin, double lonsec);
                void addCoordinateAxes();
                void addGridLines();

                list<osg::Vec3d> _updateRequests;
                osg::ref_ptr <osg::Group> _terrainBuffer;
                int _freeTerrainBuffer;

                UAVDatabase* _database;
                LODManager* _lodManager;
                TerrainGeometry* _terrainGeometry;
                double frameTimeStamp;
                Log myLog;
                float _skirtHeight;

        int _state;

                osg::ref_ptr <osg::Group> _airfields;           
                osg::ref_ptr <osg::Geode> _greenball;
    };
   
    Terrain();

    SharedResource _fileNameResource;
    volatile char* _fileName;

    double _visibilityRadius;
    osg::Program* _terrainShader;
        osg::Vec3d* _lastPosition;
    Pager _pager;       
};



#endif

---