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/// @file VoxelSD.cc
/// @brief Define detector sensitivity on voxels

//#include "G4MPImanager.hh"
#include "G4SDManager.hh"
#include "G4Step.hh"
#include "G4TouchableHistory.hh"
#include "G4Track.hh"
#include "G4VTouchable.hh"
#include "Randomize.hh"
#include "Analysis.hh"
#include "VoxelSD.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
VoxelSD::VoxelSD(const G4String& name)
  : G4VSensitiveDetector(name)
{
  G4SDManager::GetSDMpointer()-> AddNewDetector(this);
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
VoxelSD::~VoxelSD()
{
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool VoxelSD::ProcessHits(G4Step* astep, G4TouchableHistory*)
{
  G4ThreeVector x0 = astep-> GetPreStepPoint()-> GetPosition();
  G4ThreeVector x1 = astep-> GetPostStepPoint()-> GetPosition();

  G4int tid = astep-> GetTrack()-> GetTrackID();
  G4int iz = astep-> GetPreStepPoint()-> GetTouchable()-> GetReplicaNumber(1);

  Analysis* myana = Analysis::GetAnalysis();

  // incident position
  if ( tid == 1 && iz == 1000 ) { // scored @ first layer
    myana-> FillIncident(x0);
  }

  // energy deposit
  G4ThreeVector p = G4UniformRand()*(x1-x0) + x0;   // position sampling
  G4double edep = astep-> GetTotalEnergyDeposit();
  myana-> FillDose(p, edep);
  
  return true;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void VoxelSD::Initialize(G4HCofThisEvent*)
{
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void VoxelSD::EndOfEvent(G4HCofThisEvent*)
{
}
