add detector simulation

src/HEP/Geant/DetectorSteppingAction.hh

@@ -0,0 +1,36 @@
+#ifndef U_GEANT_DETECTORSTEPPINGACTION_HH
+#define U_GEANT_DETECTORSTEPPINGACTION_HH
+
+#include "G4UserSteppingAction.hh"
+#include "G4UserEventAction.hh"
+#include "Core/Vector.h"
+#include "HEP/Detectors/MuonEvent.h"
+#include "HEP/Detectors/DetectorChamber.h"
+#include <mutex>
+
+namespace uLib {
+namespace Geant {
+
+class DetectorSteppingAction : public G4UserSteppingAction, public G4UserEventAction {
+public:
+  DetectorSteppingAction(Vector<MuonEvent> *output, const Vector<HLine3f> &planes);
+  virtual ~DetectorSteppingAction();
+
+  virtual void UserSteppingAction(const G4Step *step) override;
+  virtual void BeginOfEventAction(const G4Event *event) override;
+  virtual void EndOfEventAction(const G4Event *event) override;
+
+  void SetVerbosity(int level) { m_Verbosity = level; }
+
+private:
+  Vector<MuonEvent> *m_Output;
+  Vector<HLine3f> m_Planes; // World projection planes
+  MuonEvent m_Current;
+  int m_CrossCount = 0;
+  int m_Verbosity = 0;
+};
+
+} // namespace Geant
+} // namespace uLib
+
+#endif