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// G4VRML2FileSceneHandler.hh
// Satoshi Tanaka & Yasuhide Sawada

#ifndef G4VRML2FILE_SCENE_HANDLER_HH
#define G4VRML2FILE_SCENE_HANDLER_HH

#include <fstream>

#include "globals.hh"
#include "G4LogicalVolume.hh"
#include "G4VSceneHandler.hh"

class G4VRML2File;
class G4VisAttributes;

class G4VRML2FileSceneHandler : public G4VSceneHandler
{
  friend class G4VRML2FileViewer;

  // methods (public)
 public:
  G4VRML2FileSceneHandler(G4VRML2File& system, const G4String& name = "");
  virtual ~G4VRML2FileSceneHandler();

  using G4VSceneHandler::AddSolid;
  void AddSolid(const G4Box&);
  void AddSolid(const G4Cons&);
  void AddSolid(const G4Tubs&);
  void AddSolid(const G4Trd&);
  void AddSolid(const G4Trap&);
  void AddSolid(const G4Sphere&);
  void AddSolid(const G4Para&);
  void AddSolid(const G4Torus&);
  void AddSolid(const G4VSolid&);

  using G4VSceneHandler::AddCompound;

  void BeginPrimitives(const G4Transform3D& objectTransformation);
  void EndPrimitives();

  using G4VSceneHandler::AddPrimitive;
  void AddPrimitive(const G4Polyline&);
  void AddPrimitive(const G4Polyhedron&);
  void AddPrimitive(const G4Text&);
  void AddPrimitive(const G4Circle&);
  void AddPrimitive(const G4Square&);

  void ClearTransientStore();  // Used for triggering detector re-drawing.

  void BeginModeling();
  void EndModeling();

  void VRMLBeginModeling();
  void VRMLEndModeling();

  void connectPort();
  void closePort();

  // methods (private)
 private:
  void SendMaterialNode(const G4VisAttributes* pAV);
  void SendMaterialNode();

  void SendLineColor(const G4VisAttributes* pAV);
  void SendMarkerColor(const G4VMarker& mark);
  void SendMarkerWorldPosition(const G4VMarker& mark);

  G4double GetMarkerHalfSize(const G4VMarker& mark);
  void GetMarkerWorldPosition(const G4VMarker& mark, double* pX, double* pY,
                              double* pZ);

  G4bool isConnected() { return fFlagDestOpen; }

  G4bool IsPVPickable() { return fPVPickable; }
  void SetPVPickability(G4bool on_off) { fPVPickable = on_off; }
  G4double SetPVTransparency();
  G4double GetPVTransparency() { return fPVTransparency; }

  // data
 private:
  char fVRMLFileDestDir[256];
  char fVRMLFileName[256];

  G4VRML2File& fSystem;  // Graphics system for this scene.
  G4bool fFlagDestOpen;

  G4int fMaxFileNum;

  G4bool fPVPickable;
  G4double fPVTransparency;

  static G4int fSceneIdCount;

 public:
  std::ofstream fDest;
};

#endif  // G4VRML2FILE_SCENE_HANDLER_HH