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//
// $Id: G4Track.icc,v 1.10 2002/12/16 11:59:12 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-02-patch-01 $
//
//-----------------------------------------------------------------
// Definitions of inline functions
//-----------------------------------------------------------------
//   change GetMaterial        16 Feb. 2000  H.Kurashige
  
// Operators
   extern G4Allocator<G4Track> aTrackAllocator;
   inline void* G4Track::operator new(size_t)
   { void *aTrack;
     aTrack = (void *) aTrackAllocator.MallocSingle();
     return aTrack;
   }
      // Override "new" for "G4Allocator".

   inline void G4Track::operator delete(void *aTrack)
   { aTrackAllocator.FreeSingle((G4Track *) aTrack);}
      // Override "delete" for "G4Allocator".

   inline G4bool G4Track::operator==( const G4Track& s)
   { return (this==&s);  }
      // Define "==" operator because "G4TrackVector" uses 
      // "RWPtrOrderdVector" which requires this.

// Get/Set functions
// dynamic particle
   inline const G4DynamicParticle* G4Track::GetDynamicParticle() const
   { return fpDynamicParticle; }

// particle definition
   inline G4ParticleDefinition* G4Track::GetDefinition() const
   { return fpDynamicParticle->GetDefinition(); }

// parent track ID
   inline G4int G4Track::GetParentID() const
   { return fParentID; }

   inline void G4Track::SetParentID(const G4int aValue)
   { fParentID = aValue; }

// current track ID
   inline G4int G4Track::GetTrackID() const
   { return fTrackID; }

   inline void G4Track::SetTrackID(const G4int aValue)
   { fTrackID = aValue; }

// position
   inline const G4ThreeVector& G4Track::GetPosition() const
   { return fPosition; }

   inline void G4Track::SetPosition(const G4ThreeVector& aValue)
   { fPosition = aValue; }

// global time
   inline G4double G4Track::GetGlobalTime() const
   { return fGlobalTime; }

   inline void G4Track::SetGlobalTime(const G4double aValue)
   { fGlobalTime = aValue; }
     // Time since the event in which the track belongs is created.

// local time
   inline G4double G4Track::GetLocalTime() const
   { return fLocalTime; }

   inline void G4Track::SetLocalTime(const G4double aValue)
   { fLocalTime = aValue; }
      // Time since the current track is created.

// proper time
   inline G4double G4Track::GetProperTime() const
   { return fpDynamicParticle->GetProperTime(); }

   inline void G4Track::SetProperTime(const G4double aValue)
   { fpDynamicParticle->SetProperTime(aValue); }
      // Proper time of the current track

// volume
   inline G4VPhysicalVolume* G4Track::GetVolume() const
   { return fpTouchable->GetVolume(); }

   inline G4VPhysicalVolume* G4Track::GetNextVolume() const
   { return fpNextTouchable->GetVolume(); }

// material
   inline 
    const G4MaterialCutsCouple* G4Track::GetMaterialCutsCouple() const
   { return fpStep->GetPreStepPoint()->GetMaterialCutsCouple(); }

   inline 
    const G4MaterialCutsCouple* G4Track::GetNextMaterialCutsCouple() const
   { return fpStep->GetPostStepPoint()->GetMaterialCutsCouple(); }

// material
   inline G4Material* G4Track::GetMaterial() const
   { return fpStep->GetPreStepPoint()->GetMaterial(); }

   inline G4Material* G4Track::GetNextMaterial() const
   { return fpStep->GetPostStepPoint()->GetMaterial(); }


// touchable
   inline const G4VTouchable* G4Track::GetTouchable() const 
   {
     return fpTouchable();
   }

   inline const G4TouchableHandle& G4Track::GetTouchableHandle() const 
   {
     return fpTouchable;
   }

   inline void G4Track::SetTouchableHandle( const G4TouchableHandle& apValue) 
   {
     fpTouchable = apValue;
   }

   inline const  G4VTouchable* G4Track::GetNextTouchable() const 
   {
     return fpNextTouchable();
   }

   inline const  G4TouchableHandle& G4Track::GetNextTouchableHandle() const 
   {
     return fpNextTouchable;
   }

   inline void G4Track::SetNextTouchableHandle( const G4TouchableHandle& apValue)
   {
     fpNextTouchable = apValue;
   }


// kinetic energy
   inline G4double G4Track::GetKineticEnergy() const
   { return fpDynamicParticle->GetKineticEnergy(); }

   inline void G4Track::SetKineticEnergy(const G4double aValue)
   { fpDynamicParticle->SetKineticEnergy(aValue); }

// total energy
   inline G4double G4Track::GetTotalEnergy() const
   { return fpDynamicParticle->GetTotalEnergy(); }

// momentum
   inline G4ThreeVector G4Track::GetMomentum() const
   { return fpDynamicParticle->GetMomentum(); }

// momentum (direction)
  inline const G4ThreeVector& G4Track::GetMomentumDirection() const
   { return fpDynamicParticle->GetMomentumDirection(); }

   inline void G4Track::SetMomentumDirection(const G4ThreeVector& aValue)
   { fpDynamicParticle->SetMomentumDirection(aValue) ;}

// polarization
   inline const G4ThreeVector& G4Track::GetPolarization() const
   { return fpDynamicParticle->GetPolarization(); }

   inline void G4Track::SetPolarization(const G4ThreeVector& aValue)
   { fpDynamicParticle->SetPolarization(aValue.x(),
                                        aValue.y(),
                                        aValue.z()); }

// track status
   inline G4TrackStatus G4Track::GetTrackStatus() const
   { return fTrackStatus; }

   inline void G4Track::SetTrackStatus(const G4TrackStatus aTrackStatus)
   { fTrackStatus = aTrackStatus; }

// track length
   inline G4double G4Track::GetTrackLength() const
   { return fTrackLength; }

   inline void G4Track::AddTrackLength(const G4double aValue)
   { fTrackLength += aValue; }
      // Accumulated track length

// step number 
   inline G4int G4Track::GetCurrentStepNumber() const
   { return fCurrentStepNumber; }

   inline void G4Track::IncrementCurrentStepNumber()
   { fCurrentStepNumber++; }

// step length
   inline G4double G4Track::GetStepLength() const
   { return fStepLength; }

   inline void G4Track::SetStepLength(G4double value)
   { fStepLength = value; }

// vertex (where this track was created) information
   inline const G4ThreeVector& G4Track::GetVertexPosition() const
   { return fVtxPosition; }

   inline void G4Track::SetVertexPosition(const G4ThreeVector& aValue)
   { fVtxPosition = aValue; }

   inline const G4ThreeVector& G4Track::GetVertexMomentumDirection() const
   { return fVtxMomentumDirection; }
   inline void G4Track::SetVertexMomentumDirection(const G4ThreeVector& aValue)
   { fVtxMomentumDirection = aValue ;}

   inline G4double G4Track::GetVertexKineticEnergy() const
   { return fVtxKineticEnergy; }

   inline void G4Track::SetVertexKineticEnergy(const G4double aValue)
   { fVtxKineticEnergy = aValue; }

   inline  G4LogicalVolume* G4Track::GetLogicalVolumeAtVertex() const
   { return fpLVAtVertex; } 

   inline void G4Track::SetLogicalVolumeAtVertex(G4LogicalVolume* aValue)
   { fpLVAtVertex = aValue; }

   inline const G4VProcess* G4Track::GetCreatorProcess() const
   { return fpCreatorProcess; }
     // If the pointer is 0, this means the track is created
     // by the event generator, i.e. the primary track.If it is not
     // 0, it points to the process which created this track.

   inline void G4Track::SetCreatorProcess(G4VProcess* aValue)
   { fpCreatorProcess = aValue; }

// flag for "Below Threshold"
   inline G4bool G4Track::IsBelowThreshold() const
   { return fBelowThreshold; }

   inline void    G4Track::SetBelowThresholdFlag(G4bool value)
   { fBelowThreshold = value; }

// flag for " Good for Tracking"
   inline G4bool  G4Track::IsGoodForTracking() const
   { return fGoodForTracking; }

   inline void    G4Track::SetGoodForTrackingFlag(G4bool value)
   { fGoodForTracking = value; }

// track weight
   inline void  G4Track::SetWeight(G4double aValue)
   { fWeight = aValue; }

   inline G4double G4Track::GetWeight() const
   { return fWeight; }

// user information
   inline G4VUserTrackInformation* G4Track::GetUserInformation() const
   { return fpUserInformation; }
   inline void G4Track::SetUserInformation(G4VUserTrackInformation* aValue)
   { fpUserInformation = aValue; }



//-------------------------------------------------------------
// To implement bi-directional association between G4Step and
// and G4Track, a combined usage of 'forward declaration' and
// 'include' is necessary.
//-------------------------------------------------------------
#include "G4Step.hh"

   inline const G4Step* G4Track::GetStep() const
   { return fpStep; }

   inline void G4Track::SetStep(const G4Step* aValue)
   { fpStep = (aValue); }





