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//
// File name:     RadmonTDetectorVolumesWithTracksDecorator.icc
// Creation date: Sep 2005
// Main author:   Riccardo Capra <capra@ge.infn.it>
//
// Id:            $Id: RadmonTDetectorVolumesWithTracksDecorator.icc,v 1.1.2.2 2006/06/29 16:12:50 gunter Exp $
// Tag:           $Name: geant4-09-01-patch-02 $
//

#ifndef   RADMONTDETECTORVOLUMESWITHTRACKSDECORATOR_HH
 #error "RadmonTDetectorVolumesWithTracksDecorator.icc cannot be included directly. Please use RadmonTDetectorVolumesWithTracksDecorator.hh"
#else  /* RADMONTDETECTORVOLUMESWITHTRACKSDECORATOR_HH */
 // Include files
 #include "RadmonVDetectorLabelledEntityConstructor.hh"
 #include "RadmonDetectorLayerVolumesList.hh"
 #include "RadmonDetectorLayerVolumeItem.hh"
 #include "G4Trap.hh"
 #include "G4UIcommand.hh"
 
 template <class LayerVolumesComponent>
                                                RadmonTDetectorVolumesWithTracksDecorator<LayerVolumesComponent> :: RadmonTDetectorVolumesWithTracksDecorator(const RadmonVDetectorLabelledEntityConstructor * constructor)
 :
  owner(constructor),
  component(constructor),
  visAttributes(0)
 {
 }
 
 
 
 template <class LayerVolumesComponent>
                                                RadmonTDetectorVolumesWithTracksDecorator<LayerVolumesComponent> :: ~RadmonTDetectorVolumesWithTracksDecorator()
 {
  delete visAttributes;
 }
 
 
 
 
 
 template <class LayerVolumesComponent>
 RadmonDetectorLayerVolumesList *               RadmonTDetectorVolumesWithTracksDecorator<LayerVolumesComponent> :: GenerateVolumesList(void)
 {
  G4double width(owner->GetWidth());
  if (width<0)
   return 0;

  G4double height(owner->GetHeight());
  if (height<0)
   return 0;
  
  G4double thickness(owner->GetThickness());
  if (thickness<0)
   return 0;
  
  G4int holesAlongWidth(owner->GetAttributeAsInteger("HolesAlongWidth", -1));
  if (holesAlongWidth<0)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: \"HolesAlongWidth\" attribute not defined." << G4endl;
   return 0;
  }

  G4int holesAlongHeight(owner->GetAttributeAsInteger("HolesAlongHeight", -1));
  if (holesAlongHeight<0)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: \"HolesAlongHeight\" attribute not defined." << G4endl;
   return 0;
  }
  
  if ((holesAlongWidth+holesAlongHeight)<=0)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: Both \"HolesAlongHeight\" and \"HolesAlongHeight\" attributes are 0." << G4endl;
   return 0;
  }

  G4double holesRadius(owner->GetAttributeAsMeasure("HolesRadius", "Length", -1.));
  if (holesRadius<0)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: \"HolesRadius\" attribute not defined." << G4endl;
   return 0;
  }
  
  G4double holesStep(owner->GetAttributeAsMeasure("HolesStep", "Length", -1.));
  if (holesStep<0)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: \"HolesStep\" attribute not defined." << G4endl;
   return 0;
  }
  
  G4double fullHolesStep(holesRadius*2.+holesStep);
  
  if (fullHolesStep*static_cast<G4double>(holesAlongWidth-1)>width || fullHolesStep>width)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: Holes parameters does not fit along width." << G4endl;
   return 0;
  }
  
  if (fullHolesStep*static_cast<G4double>(holesAlongHeight-1)>height || fullHolesStep>height)
  {
   G4cout << "RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: Holes parameters does not fit along height." << G4endl;
   return 0;
  }
  
  G4Material * material(owner->GetMaterial("TracksMaterial"));
  if (!material)
   return 0;
  
  visAttributes=owner->AllocateVisAttributes("TracksVisAttributes", material);
  
  RadmonDetectorLayerVolumesList * list(component.GenerateVolumesList());
  
  if (list==0)
   return 0;
   
  G4int n(list->GetNItems());
  
  if (n==0)
  {
   delete list;
   return 0;
  }
  
  RadmonDetectorLayerVolumeItem * item;
  RadmonDetectorLayerVolumeItem * motherItem;
  
  while (n>0)
  {
   n--;

   item=list->GetItem(n);
   if (item->GetMotherVolumeItem()==0)
   {
    motherItem=item;
    break;
   }
  }

  if (!motherItem)
   G4Exception("RadmonTDetectorVolumesWithTracksDecorator::GenerateVolumesList: No mother volume found.");
   
  intersection.Initialize(motherItem);

  const G4double heightFraction(.999);

  G4int index(0);
  G4String indexStr;
  fullHolesStep/=2;
  G4double angle;
  const G4double pDx2(holesRadius);
  const G4double pDx1(pDx2*(1.-heightFraction));
  G4Trap * trap;
  G4ThreeVector offset((fullHolesStep/2.)*static_cast<G4double>(holesAlongWidth-1), height/4.*(2.-heightFraction), 0);
  G4int i(holesAlongWidth);
  
  while (i>0)
  {
   index++;
   indexStr=G4UIcommand::ConvertToString(index);
   
   if (offset.getY()>=0)
   {
    angle=90.*deg-offset.getPhi();
    //                                pDz           pTheta  pPhi    pDy1                      pDx1  pDx2  pAlp1
    trap=new G4Trap("Track"+indexStr, thickness/2., 0.*deg, 0.*deg, height/4.*heightFraction, pDx1, pDx2, angle,
    //                                                              pDy2                      pDx3  pDx4  pAlp2
                                                                    height/4.*heightFraction, pDx1, pDx2, angle);
   }
   else
   {
    angle=-90*deg-offset.getPhi();
    //                                pDz           pTheta  pPhi    pDy1                      pDx1  pDx2  pAlp1
    trap=new G4Trap("Track"+indexStr, thickness/2., 0.*deg, 0.*deg, height/4.*heightFraction, pDx2, pDx1, angle,
    //                                                              pDy2                      pDx3  pDx4  pAlp2
                                                                    height/4.*heightFraction, pDx2, pDx1, angle);
   }

   item=list->AppendItem();
   item->SetSolid(intersection.ApplyTo(trap, offset, true, true));
   item->SetAttributes(visAttributes);
   item->SetMaterial(material);
   item->SetName("Track"+indexStr);
   item->SetMotherVolumeItem(motherItem);

   offset.setY(-offset.getY());
   if (offset.getY()>=0)
   {
    offset.setX(offset.getX()-fullHolesStep);
    i--;
   }
  }

  G4RotationMatrix rotation(G4RotationMatrix::IDENTITY);
  rotation.setDelta(90*deg);

  offset.setX(width/4.*(2.-heightFraction));
  offset.setY((fullHolesStep/2.)*static_cast<G4double>(holesAlongHeight-1));
  i=holesAlongHeight;
  
  while (i>0)
  {
   index++;
   indexStr=G4UIcommand::ConvertToString(index);
   
   if (offset.getX()>=0)
   {
    angle=-offset.getPhi();
    //                                pDz           pTheta  pPhi    pDy1                     pDx1  pDx2  pAlp1
    trap=new G4Trap("Track"+indexStr, thickness/2., 0.*deg, 0.*deg, width/4.*heightFraction, pDx1, pDx2, angle,
    //                                                              pDy2                     pDx3  pDx4  pAlp2
                                                                    width/4.*heightFraction, pDx1, pDx2, angle);
   }
   else
   {
    angle=-offset.getPhi();
    //                                pDz           pTheta  pPhi    pDy1                     pDx1  pDx2  pAlp1
    trap=new G4Trap("Track"+indexStr, thickness/2., 0.*deg, 0.*deg, width/4.*heightFraction, pDx2, pDx1, angle,
    //                                                              pDy2                     pDx3  pDx4  pAlp2
                                                                    width/4.*heightFraction, pDx2, pDx1, angle);
   }

   item=list->AppendItem();
   item->SetSolid(intersection.ApplyTo(trap, rotation, offset, true, true));
   item->SetAttributes(visAttributes);
   item->SetMaterial(material);
   item->SetName("Track"+indexStr);
   item->SetMotherVolumeItem(motherItem);

   offset.setX(-offset.getX());
   if (offset.getX()>=0)
   {
    offset.setY(offset.getY()-fullHolesStep);
    i--;
   }
  }
  
  return list;
 }
#endif /* RADMONTDETECTORVOLUMESWITHTRACKSDECORATOR_HH */