Gabriele Cosmo
356 lines
9.2 KiB
C++
356 lines
9.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Author: Mathieu Karamitros
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// The code is developed in the framework of the ESA AO7146
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//
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// We would be very happy hearing from you, send us your feedback! :)
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//
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// In order for Geant4-DNA to be maintained and still open-source,
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// article citations are crucial.
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// If you use Geant4-DNA chemistry and you publish papers about your software,
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// in addition to the general paper on Geant4-DNA:
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//
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// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
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//
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// we would be very happy if you could please also cite the following
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// reference papers on chemistry:
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//
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// J. Comput. Phys. 274 (2014) 841-882
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// Prog. Nucl. Sci. Tec. 2 (2011) 503-508
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#ifndef G4TRACKSTATE_HH_
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#define G4TRACKSTATE_HH_
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#include <map>
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#include "G4memory.hh"
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//------------------------------------------------------------------------------
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class G4VTrackStateID
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{
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protected:
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static int fgLastID;
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static int Create();
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G4VTrackStateID() {}
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virtual ~G4VTrackStateID() = default;
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};
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//------------------------------------------------------------------------------
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template<class T>
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class G4TrackStateID: public G4VTrackStateID
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{
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public:
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static int GetID() { return fID; }
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private:
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static const int fID;
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G4TrackStateID() {}
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~G4TrackStateID() override = default;
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};
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template<class T>
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const int G4TrackStateID<T>::fID (G4VTrackStateID::Create());
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//------------------------------------------------------------------------------
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class G4VTrackState
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{
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public:
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G4VTrackState() = default;
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virtual ~G4VTrackState() = default;
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virtual int GetID() = 0;
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};
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//------------------------------------------------------------------------------
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using G4VTrackStateHandle = std::shared_ptr<G4VTrackState>;
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//------------------------------------------------------------------------------
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//!
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template<class T>
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class G4TrackStateDependent;
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template<class T>
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class G4TrackStateBase : public G4VTrackState
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{
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public:
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~G4TrackStateBase() override = default;
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int GetID() override {
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return G4TrackStateID<T>::GetID();
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}
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static int ID() {
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return G4TrackStateID<T>::GetID();
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}
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protected:
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G4TrackStateBase() : G4VTrackState() {}
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};
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//------------------------------------------------------------------------------
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template<class T>
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class G4TrackState : public G4TrackStateBase<T>
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{
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/*
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// friend T; // works in c++11
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*/
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friend class G4TrackStateDependent<T>; //!
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public:
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virtual ~G4TrackState() = default;
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static int ID() {
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return G4TrackStateID<T>::GetID();
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}
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G4TrackState() : G4TrackStateBase<T>() {}
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};
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//------------------------------------------------------------------------------
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class G4TrackStateManager
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{
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std::map<int, G4VTrackStateHandle> fTrackStates;
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std::map<void*, G4VTrackStateHandle> fMultipleTrackStates;
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public:
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void SetTrackState(void* adress, G4VTrackStateHandle state)
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{
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fMultipleTrackStates[adress] = std::move(state);
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}
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G4VTrackStateHandle GetTrackState(void* adress) const
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{
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auto it =
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fMultipleTrackStates.find(adress);
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if (it == fMultipleTrackStates.end())
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{
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return G4VTrackStateHandle();
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}
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return it->second;
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}
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template<class T>
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G4VTrackStateHandle GetTrackState(T* adress) const
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{
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auto it =
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fMultipleTrackStates.find((void*)adress);
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if (it == fMultipleTrackStates.end())
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{
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return G4VTrackStateHandle();
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}
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return it->second;
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}
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void SetTrackState(G4VTrackStateHandle state)
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{
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fTrackStates[state->GetID()] = state;
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}
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template<typename T>
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G4VTrackStateHandle GetTrackState() const
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{
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auto it =
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fTrackStates.find(G4TrackStateID<T>::GetID());
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if (it == fTrackStates.end())
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{
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return G4VTrackStateHandle();
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}
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return it->second;
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}
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};
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//------------------------------------------------------------------------------
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class G4VTrackStateDependent
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{
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public:
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G4VTrackStateDependent() = default;
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virtual ~G4VTrackStateDependent() = default;
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virtual void NewTrackState() = 0;
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virtual void LoadTrackState(G4TrackStateManager&) = 0;
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virtual void SaveTrackState(G4TrackStateManager&) = 0;
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virtual G4VTrackStateHandle GetTrackState() const = 0;
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virtual G4VTrackStateHandle PopTrackState() = 0;
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virtual void ResetTrackState() = 0;
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};
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#define G4TrackStateHandle(T) G4shared_ptr<G4TrackState<T> >
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template<class OriginalType>
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G4shared_ptr<G4VTrackState>
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ConvertToAbstractTrackState(G4shared_ptr<G4TrackState<OriginalType> > state)
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{
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G4shared_ptr<G4VTrackState> output =
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G4dynamic_pointer_cast<G4VTrackState>(state);
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return output;
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}
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template<class FinalType>
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G4shared_ptr<G4TrackState<FinalType> >
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ConvertToConcreteTrackState(G4VTrackStateHandle state)
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{
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G4shared_ptr<G4TrackState<FinalType> > output =
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G4dynamic_pointer_cast<G4TrackState<FinalType>>(state);
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return output;
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}
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//------------------------------------------------------------------------------
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//!
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template<class T>
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class G4TrackStateDependent : public G4VTrackStateDependent
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{
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public:
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using ClassType = T;
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using StateType = G4TrackState<T>;
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using StateTypeHandle = std::shared_ptr<StateType>;
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~G4TrackStateDependent() override = default;
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virtual void SetTrackState(G4shared_ptr<StateType> state)
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{
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fpTrackState = std::move(state);
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}
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G4VTrackStateHandle PopTrackState() override
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{
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G4VTrackStateHandle output =
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G4dynamic_pointer_cast<G4VTrackState>(fpTrackState);
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fpTrackState.reset();
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return output;
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}
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G4VTrackStateHandle GetTrackState() const override
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{
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G4VTrackStateHandle output =
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G4dynamic_pointer_cast<G4VTrackState>(fpTrackState);
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return output;
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}
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virtual StateTypeHandle GetConcreteTrackState() const
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{
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return fpTrackState;
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}
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void LoadTrackState(G4TrackStateManager& manager) override
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{
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fpTrackState =
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ConvertToConcreteTrackState<ClassType>(manager.GetTrackState(this));
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if (fpTrackState == nullptr)
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{
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NewTrackState();
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SaveTrackState(manager);
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}
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}
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void SaveTrackState(G4TrackStateManager& manager) override
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{
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manager.SetTrackState(this, ConvertToAbstractTrackState(fpTrackState));
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}
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void NewTrackState() override
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{
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fpTrackState = StateTypeHandle(new StateType());
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}
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virtual StateTypeHandle CreateTrackState() const
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{
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return StateTypeHandle(new StateType());
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}
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void ResetTrackState() override
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{
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fpTrackState.reset();
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}
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protected:
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G4TrackStateDependent()
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: G4VTrackStateDependent()
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{}
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StateTypeHandle fpTrackState;
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};
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//------------------------------------------------------------------------------
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#if __cplusplus > 199711L
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#define RegisterTrackState(CLASS,STATE) \
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template<> \
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class G4TrackState<CLASS> : public G4TrackStateBase<CLASS>, \
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public CLASS::STATE \
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{ \
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friend class G4TrackStateDependent<CLASS>; \
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using CLASS::STATE::STATE; \
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public: \
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typedef CLASS::STATE State; \
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G4TrackState() : G4TrackStateBase<CLASS>(), CLASS::STATE(){}\
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virtual ~G4TrackState(){}\
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virtual int GetID()\
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{\
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return G4TrackStateID<CLASS>::GetID();\
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}\
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static int ID()\
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{\
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return G4TrackStateID<CLASS>::GetID();\
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}\
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protected:\
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};
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#else
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#define RegisterTrackState(CLASS,STATE) \
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template<> \
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class G4TrackState<CLASS> : public G4TrackStateBase<CLASS>, \
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public CLASS::STATE \
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{ \
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friend class G4TrackStateDependent<CLASS>; \
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public: \
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typedef CLASS::STATE State; \
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G4TrackState() : G4TrackStateBase<CLASS>(), CLASS::STATE(){}\
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virtual ~G4TrackState(){}\
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virtual int GetID()\
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{\
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return G4TrackStateID<CLASS>::GetID();\
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}\
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static int ID()\
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{\
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return G4TrackStateID<CLASS>::GetID();\
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}\
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protected:\
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};
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#endif
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#endif /* G4TRACKSTATE_HH_ */
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