// @(#)root/eve:$Id: TEveCalo2DGL.h 23087 2008-04-09 14:10:56Z rdm $
// Author: Matevz Tadel 2007

/*************************************************************************
 * Copyright (C) 1995-2007, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef ROOT_TEveCalo2DGL
#define ROOT_TEveCalo2DGL

#include "TGLObject.h"
#include "TEveCaloData.h"

class TGLViewer;
class TGLScene;

class TEveCalo2D;
class TEveProjection;

class TEveCalo2DGL : public TGLObject
{
private:
   TEveCalo2DGL(const TEveCalo2DGL&);            // Not implemented
   TEveCalo2DGL& operator=(const TEveCalo2DGL&); // Not implemented

protected:
   TEveCalo2D   *fM;  // Model object.

   Float_t   MakeRhoZBarrelCell(Float_t thetaMin, Float_t thetaMax, Bool_t phiPlus, Float_t height, Float_t offset) const;
   Float_t   MakeRhoZEndCapCell(Float_t thetaMin, Float_t thetaMax, Bool_t phiPlus, Float_t height, Float_t offset) const;
   Float_t   MakeRhoZCell      (Float_t thetaMin, Float_t thetaMax, Bool_t phiPlus, Float_t height, Float_t offset) const;

   Float_t   MakeRPhiCell(Float_t phiMin, Float_t phiMax, Float_t towerH, Float_t offset) const;

   void      DrawRPhi(TGLRnrCtx & rnrCtx) const;
   void      DrawRhoZ(TGLRnrCtx & rnrCtx) const;

public:
   TEveCalo2DGL();
   virtual ~TEveCalo2DGL() {}

   virtual Bool_t SetModel(TObject* obj, const Option_t* opt=0);
   virtual void   SetBBox();

   virtual Bool_t ShouldDLCache(const TGLRnrCtx & rnrCtx) const;

   virtual void   DirectDraw(TGLRnrCtx & rnrCtx) const;

   // To support two-level selection
   virtual Bool_t SupportsSecondarySelect() const { return kTRUE; }
   virtual void ProcessSelection(TGLRnrCtx & rnrCtx, TGLSelectRecord & rec);

   ClassDef(TEveCalo2DGL, 0); // GL renderer class for TEveCalo2D.
};

#endif