G4DNAIndependentReactionTimeStepper.hh

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// 20/2/2019
// Author: HoangTRAN
 
#ifndef G4DNAIndependentReactionTimeStepper_hh
#define G4DNAIndependentReactionTimeStepper_hh 1
 
#include "G4VITTimeStepComputer.hh"
#include "G4KDTreeResult.hh"
#include "G4IRTUtils.hh"
#include "G4VReactionType.hh"
#include <memory>
#include <set>
 
class G4VReactionTypeManager;
class G4VDNAReactionModel;
class G4DNAMolecularReactionTable;
class G4MolecularConfiguration;
class G4DNAReactionTypeManager;
class G4Molecule;
class G4ITReactionSet;
class G4ITReactionChange;
class G4VITReactionProcess;
class G4ITTrackHolder;
 
class G4DNAIndependentReactionTimeStepper : public G4VITTimeStepComputer
{
public:
    G4DNAIndependentReactionTimeStepper();
    ~G4DNAIndependentReactionTimeStepper() override = default;
    G4DNAIndependentReactionTimeStepper(const G4DNAIndependentReactionTimeStepper&) = delete;
    G4DNAIndependentReactionTimeStepper& operator=(const G4DNAIndependentReactionTimeStepper&) = delete;
 
    void Prepare() override;
    G4double CalculateStep(const G4Track&, const G4double&) override;
    G4double CalculateMinTimeStep(G4double, G4double) override;
 
    void SetReactionModel(G4VDNAReactionModel*);
    G4VDNAReactionModel* GetReactionModel();
 
    std::unique_ptr<G4ITReactionChange>
    FindReaction(G4ITReactionSet* pReactionSet,
                 const G4double& currentStepTime = 0,
                 const G4double& previousStepTime = 0,
                 const G4bool& reachedUserStepTimeLimit = false);
 
    void SetReactionProcess(G4VITReactionProcess* pReactionProcess);
 
    void SetReactionTypeManager(G4VReactionTypeManager* typeManager);
    void SetVerbose(G4int);
private:
    void InitializeForNewTrack();
    ReactionType GetReactionType(const G4Track& trackA, const G4Track& trackB);
 
    class Utils;
 
    void CheckAndRecordResults(const Utils& utils);
 
    G4double GetTimeToEncounter(const G4Track& trackA,
                                const G4Track& trackB);
 
    G4bool fHasAlreadyReachedNullTime;
    const G4DNAMolecularReactionTable*& fMolecularReactionTable;
    G4VDNAReactionModel* fReactionModel;
    G4ITTrackHolder* fpTrackContainer;
    G4ITReactionSet* fReactionSet;
    G4int fVerbose;
    G4double fRCutOff;
    G4DNAReactionTypeManager* fReactionTypeManager;
 
    G4VITReactionProcess* fpReactionProcess;
    std::map<G4int,G4ThreeVector> fSampledPositions;
 
    class Utils
    {
    public:
        Utils(const G4Track& tA, const G4Track& tB);
        ~Utils() = default;
        const G4Track& fTrackA;
        const G4Track& fTrackB;
        const G4Molecule* fpMoleculeA;
        const G4Molecule* fpMoleculeB;
    };
};
#endif