G4MoleculeLocator.hh

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// Author: Christian Velten (2025)
 
#ifndef G4MOLECULELOCATOR_HH
#define G4MOLECULELOCATOR_HH 1
#pragma once
 
#include "G4TouchableHandle.hh"
#include "G4ThreadLocalSingleton.hh"
 
#include <memory>
 
class G4Track;
class G4ITNavigator;
 
class G4MoleculeLocator final
{
  friend class G4ThreadLocalSingleton<G4MoleculeLocator>;
  public:
    static G4MoleculeLocator* Instance();
 
    ~G4MoleculeLocator() = default;
 
  private:
    G4MoleculeLocator();
    G4MoleculeLocator(const G4MoleculeLocator&) = delete;
    G4MoleculeLocator(G4MoleculeLocator&&) = delete;
    G4MoleculeLocator& operator=(const G4MoleculeLocator&) = delete;
    G4MoleculeLocator& operator=(G4MoleculeLocator&&) = delete;
 
    G4ThreadLocalStatic G4MoleculeLocator* fpInstance;
 
    G4bool fIsInitialized{false};
    std::unique_ptr<G4ITNavigator> fNavigator;
 
    void Initialize();
 
  public:
    void LocateMoleculeSetStateAndTouchable(G4Track*);
    G4TouchableHandle LocateMoleculeTrack(const G4Track*);
};
 
#endif