ItemGroup.h

//
// Name:        ItemGroup.h
//
// Copyright (c) 2003-2011 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef ITEMGROUPH
#define ITEMGROUPH

// ItemGroup
//
class ItemGroup
{
public:
    ItemGroup(vtItem *pItem);
    void CreateNodes();
    void AttemptToLoadModels();
    void AttachModels(osgText::Font *font);
    void ShowLOD(bool bTrue);
    void SetRanges();
    vtGroup *GetTop() { return m_pTop; }
    void ShowOrigin(bool bShow);
    void ShowRulers(bool bShow);
    void UpdateCrosshair(const FSphere &sph);
    void UpdateRulers(osgText::Font *font, const FSphere &sph);

protected:
    vtItem  *m_pItem;
    vtGroup *m_pTop;
    vtGroup *m_pGroup;
    vtLOD   *m_pLOD;
    vtGeode *m_pAxes;
    vtGeode *m_pRulers;
    float m_ranges[20];     // One LOD distance for each child
};

// helper
vtGeode *CreateRulers(osgText::Font *font, float fSize);

#endif // ITEMGROUPH