// @(#)root/eve:$Id: TEveCalo.h 24445 2008-06-20 18:55:43Z matevz $
// 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_TEveCalo
#define ROOT_TEveCalo

#include "TEveElement.h"
#include "TEveProjectionBases.h"
#include "TEveProjectionManager.h"

#include "TAtt3D.h"
#include "TAttBBox.h"
#include "TEveCaloData.h"

class TClass;
class TEveRGBAPalette;

class TEveCaloViz : public TEveElement,
                    public TNamed,
                    public TAtt3D,
                    public TAttBBox,
                    public TEveProjectable
{
   friend class TEveCaloVizEditor;

private:
   TEveCaloViz(const TEveCaloViz&);        // Not implemented
   TEveCaloViz& operator=(const TEveCaloViz&); // Not implemented

protected:
   TEveCaloData* fData;  // event data reference

   Double_t      fEtaMin;
   Double_t      fEtaMax;

   Double_t      fPhi;
   Double_t      fPhiOffset;     // phi range +/- offset
  
   Float_t       fBarrelRadius;  // barrel raidus in cm
   Float_t       fEndCapPos;     // end cap z coordinate in cm

   Float_t       fPlotEt;        // plot E or Et.

   Float_t           fMaxTowerH;  // bounding box z dimesion
   Bool_t            fScaleAbs;
   Float_t           fMaxValAbs;

   Bool_t            fValueIsColor;   // Interpret signal value as RGBA color.
   TEveRGBAPalette*  fPalette;        // Pointer to signal-color palette.

   Bool_t            fCellIdCacheOK;  // Flag cell ids cache state

   void AssignCaloVizParameters(TEveCaloViz* cv);

   void SetupColorHeight(Float_t value, Int_t slice, Float_t& height) const;

   virtual Float_t GetValToHeight() const;

   virtual void BuildCellIdCache() = 0;

public:
   TEveCaloViz(const Text_t* n="TEveCaloViz", const Text_t* t="");
   TEveCaloViz(TEveCaloData* data, const Text_t* n="TEveCaloViz", const Text_t* t="");

   virtual ~TEveCaloViz();

   TEveCaloData* GetData() const { return fData; }
   virtual void  SetData(TEveCaloData* d);
   virtual void  DataChanged();

   Float_t GetDataSliceThreshold(Int_t slice) const;
   void    SetDataSliceThreshold(Int_t slice, Float_t val);
   Color_t GetDataSliceColor(Int_t slice) const;
   void    SetDataSliceColor(Int_t slice, Color_t col);

   Float_t GetBarrelRadius() const { return fBarrelRadius; }
   void    SetBarrelRadius(Float_t r) { fBarrelRadius = r; ResetBBox(); }
   Float_t GetEndCapPos   () const { return fEndCapPos; }
   void    SetEndCapPos   (Float_t z) { fEndCapPos = z; ResetBBox(); }

   Bool_t  GetPlotEt() const { return fPlotEt; }
   virtual void    SetPlotEt(Bool_t x);

   void    SetMaxTowerH(Float_t x) { fMaxTowerH = x; }
   Float_t GetMaxTowerH() const    { return fMaxTowerH; }
   void    SetScaleAbs(Bool_t x) { fScaleAbs = x; }
   Bool_t  GetScaleAbs() const { return fScaleAbs; }
   void    SetMaxValAbs(Float_t x) { fMaxValAbs = x; }
   Float_t GetMaxValAbs() const    { return fMaxValAbs; }

   Float_t GetMaxVal() const;

   Float_t GetTransitionEta() const;
   Float_t GetTransitionTheta() const;

   TEveRGBAPalette* GetPalette() const { return fPalette; }
   void             SetPalette(TEveRGBAPalette* p);
   TEveRGBAPalette* AssertPalette();

   Bool_t  GetValueIsColor() const { return fValueIsColor;}
   void  SetValueIsColor(Bool_t x) { fValueIsColor = x;}


   void SetEta(Float_t l, Float_t u);
   Float_t GetEta() const { return (fEtaMin+fEtaMax)*0.5f;}
   Float_t GetEtaMin() const {return fEtaMin;}
   Float_t GetEtaMax() const {return fEtaMax;}
   Float_t GetEtaRng() const {return fEtaMax-fEtaMin;}

   virtual void SetPhi(Float_t phi)    { SetPhiWithRng(phi, fPhiOffset); }
   virtual void SetPhiRng(Float_t rng) { SetPhiWithRng(fPhi, rng); }
   virtual void SetPhiWithRng(Float_t x, Float_t r);
   Float_t GetPhi() const { return fPhi;}
   Float_t GetPhiMin() const {return fPhi-fPhiOffset;}
   Float_t GetPhiMax() const {return fPhi+fPhiOffset;}
   Float_t GetPhiRng() const {return fPhiOffset*2;}

   void InvalidateCellIdCache() { fCellIdCacheOK=kFALSE; ResetBBox(); } // compute bbox

   virtual void Paint(Option_t* option="");

   virtual TClass* ProjectedClass() const;

   ClassDef(TEveCaloViz, 0); // Base-class for visualization of calorimeter eventdata.
};

/**************************************************************************/
/**************************************************************************/

class TEveCalo3D : public TEveCaloViz
{
   friend class TEveCalo3DGL;
private:
   TEveCalo3D(const TEveCalo3D&);            // Not implemented
   TEveCalo3D& operator=(const TEveCalo3D&); // Not implemented

protected:
   TEveCaloData::vCellId_t fCellList;

   virtual void BuildCellIdCache();

public:
   TEveCalo3D(const Text_t* n="TEveCalo3D", const Text_t* t=""):TEveCaloViz(n, t){}
   TEveCalo3D(TEveCaloData* data): TEveCaloViz(data) { SetElementName("TEveCalo3D");}
   virtual ~TEveCalo3D() {}
   virtual void ComputeBBox();

   ClassDef(TEveCalo3D, 0); // Class for 3D visualization of calorimeter event data.
};

/**************************************************************************/
/**************************************************************************/

class TEveCalo2D : public TEveCaloViz,
                   public TEveProjected
{
   friend class TEveCalo2DGL;
private:
   TEveCalo2D(const TEveCalo2D&);            // Not implemented
   TEveCalo2D& operator=(const TEveCalo2D&); // Not implemented

   TEveProjection::EPType_e  fOldProjectionType;

protected:
   std::vector<TEveCaloData::vCellId_t*>   fCellLists;

   virtual void BuildCellIdCache();

public:
   TEveCalo2D(const Text_t* n="TEveCalo2D", const Text_t* t="");
   virtual ~TEveCalo2D(){}

   virtual void SetProjection(TEveProjectionManager* proj, TEveProjectable* model);
   virtual void UpdateProjection();
   virtual void SetDepth(Float_t x){fDepth = x;}

   virtual void ComputeBBox();

   ClassDef(TEveCalo2D, 0); // Class for visualization of projected calorimeter event data.
};
/**************************************************************************/
/**************************************************************************/

class TEveCaloLego : public TEveCaloViz
{
   friend class TEveCaloLegoGL;

public:
   enum EProjection_e { kAuto, k3D, k2D };
   enum E2DMode_e     { kValColor, kValSize };
   enum EBoxMode_e    { kNone, kFrontBack, kBack};

private:
   TEveCaloLego(const TEveCaloLego&);            // Not implemented
   TEveCaloLego& operator=(const TEveCaloLego&); // Not implemented

protected:
   TEveCaloData::vCellId_t fCellList;

   Color_t                 fFontColor;
   Color_t                 fGridColor;
   Color_t                 fPlaneColor;
   UChar_t                 fPlaneTransparency;

   Int_t                   fNZSteps; // Z axis label step in GeV
   Float_t                 fZAxisStep;

   Int_t                   fBinWidth; // distance in pixels of projected up and low edge

   EProjection_e           fProjection;
   E2DMode_e               f2DMode;
   EBoxMode_e              fBoxMode;  // additional scale info

   Bool_t                  fDrawHPlane;
   Float_t                 fHPlaneVal;

   virtual void BuildCellIdCache();

public:
   TEveCaloLego(const Text_t* n="TEveCaloLego", const Text_t* t="");
   TEveCaloLego(TEveCaloData* data);

   virtual ~TEveCaloLego(){}

   Color_t  GetFontColor() const { return fFontColor; }
   void     SetFontColor(Color_t ci) { fFontColor=ci; }

   Color_t  GetGridColor() const { return fGridColor; }
   void     SetGridColor(Color_t ci) { fGridColor=ci; }

   Color_t  GetPlaneColor() const { return fPlaneColor; }
   void     SetPlaneColor(Color_t ci) { fPlaneColor=ci; }

   UChar_t  GetPlaneTransparency() const { return fPlaneTransparency; }
   void     SetPlaneTransparency(UChar_t t) { fPlaneTransparency=t; }

   Int_t    GetNZSteps() const { return fNZSteps; }
   void     SetNZSteps(Int_t s) { fNZSteps = s;}

   Int_t    GetBinWidth() const { return fBinWidth; }
   void     SetBinWidth(Int_t bw) { fBinWidth = bw; }

   void           SetProjection(EProjection_e p) { fProjection = p; }
   EProjection_e  GetProjection() { return fProjection; }

   void       Set2DMode(E2DMode_e p) { f2DMode = p; }
   E2DMode_e  Get2DMode() { return f2DMode; }

   void       SetBoxMode(EBoxMode_e p) { fBoxMode = p; }
   EBoxMode_e  GetBoxMode() { return fBoxMode; }

   Bool_t   GetDrawHPlane() const { return fDrawHPlane; }
   void     SetDrawHPlane(Bool_t s) { fDrawHPlane = s;}

   Float_t  GetHPlaneVal() const { return fHPlaneVal; }
   void     SetHPlaneVal(Float_t s) { fHPlaneVal = s;}

   virtual void ComputeBBox();

   ClassDef(TEveCaloLego, 0);  // Class for visualization of calorimeter histogram data.
};

#endif