TG4RootNavMgr.h

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// @(#)root/g4root:$Id$
// Author: Andrei Gheata   07/08/06
 
/*************************************************************************
 * Copyright (C) 1995-2000, 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_TG4RootNavMgr
#define ROOT_TG4RootNavMgr
 
#include <functional>
 
#include "G4Threading.hh"
 
#include "TObject.h"
 
class TGeoManager;
class TG4RootNavigator;
class TG4RootDetectorConstruction;
class TVirtualUserPostDetConstruction;
class G4TrackingManager;

 
class TG4RootNavMgr : public TObject
{
 
 protected:
  TGeoManager* fGeometry;       
  TG4RootNavigator* fNavigator; 
  TG4RootDetectorConstruction* fDetConstruction; 
  TVirtualUserPostDetConstruction* fPostDetDetConstruction; 
  Bool_t fConnected; 
 
  TG4RootNavMgr();
  TG4RootNavMgr(
    TGeoManager* geom, TG4RootDetectorConstruction* detConstruction = 0);
 
 private:
  static G4ThreadLocal TG4RootNavMgr* fRootNavMgr; 
  static TG4RootNavMgr* fgMasterInstance;
 
 public:
  static TG4RootNavMgr* GetInstance(TGeoManager* geom = 0);
  static TG4RootNavMgr* GetInstance(const TG4RootNavMgr& navMgr);
  static TG4RootNavMgr* GetMasterInstance();
  virtual ~TG4RootNavMgr();
 
  Bool_t ConnectToG4();
  void Initialize(
    TVirtualUserPostDetConstruction* sdinit = 0, Int_t nthreads = 1);
  void LocateGlobalPointAndSetup(Double_t* pt, Double_t* dir = 0);
 
  // Test utilities
  void PrintG4State() const;
  void SetVerboseLevel(Int_t level);
 
  void SetNavigator(TG4RootNavigator* nav);
  TG4RootNavigator* GetNavigator() const { return fNavigator; }
  TG4RootDetectorConstruction* GetDetConstruction() const
  {
    return fDetConstruction;
  }

  void SetG4TrackingManager(G4TrackingManager* trackingManager);

  void SetGeometryRestoreFunction(
    std::function<Bool_t(Int_t)> restoreGeoStateFunction);
 
  // ClassDef(TG4RootNavMgr,0)  // Class crreating a G4Navigator based on ROOT
  // geometry
};
#endif