// -------------------------------------------------------------------------
// -----                      FairMCStack header file                 -----
// -----                Created 09/10/08  by M. Al-Turany              -----
// -------------------------------------------------------------------------


/** FairMCStack
 * @author M. Al-Turany, Denis Bertini
 * @since 10.12.07
 *   MVD event display object
 **
 **/

#ifndef FairMCStack_H
#define FairMCStack_H


#include "FairTask.h"
#include "TEveTrackPropagator.h"
#include "TString.h"
class FairGeanePro;
class TGeant3;
class TEveTrackList;
class FairEventManager;
class TObjArray;
class FairTrajFilter;

//class TEveElementList;
class FairMCStack : public FairTask
{

  public:

    /** Default constructor **/
    FairMCStack();



    /** Standard constructor
    *@param name        Name of task
    *@param iVerbose    Verbosity level
    **/
    FairMCStack(const char* name, Int_t iVerbose = 1);

    /** Destructor **/
    virtual ~FairMCStack();

    /** Set verbosity level. For this task and all of the subtasks. **/
    void SetVerbose(Int_t iVerbose);
    /** Executed task **/
    virtual void Exec(Option_t* option);
    virtual InitStatus Init();
    virtual void SetParContainers();

    /** Action after each event**/
    virtual void Finish();
    void Reset();
    TEveTrackList* GetTrGroup(TParticle* P);

  protected:


    TClonesArray*  fTrackList;  //!
    TEveTrackPropagator* fTrPr;
    FairEventManager* fEventManager;  //!
    TObjArray* fEveTrList;
    TString fEvent; //!
    TEveTrackList* fTrList;  //!
    //TEveElementList *fTrackCont;
    Float_t x1[3];
    Float_t p1[3];
    Float_t ein[15];
    Float_t x2[3];
    Float_t p2[3];
    TGeant3* gMC3; //!
    Double_t MinEnergyLimit;
    Double_t MaxEnergyLimit;
    Double_t PEnergy;
    FairGeanePro* fPro;//!
    FairTrajFilter* fTrajFilter;//!
    ClassDef(FairMCStack,1);

};


#endif