BDSLinkRegistry.hh

/* 
Beam Delivery Simulation (BDSIM) Copyright (C) Royal Holloway, 
University of London 2001 - 2023.
 
This file is part of BDSIM.
 
BDSIM is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published 
by the Free Software Foundation version 3 of the License.
 
BDSIM is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with BDSIM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BDSLINKREGISTRY_H
#define BDSLINKREGISTRY_H
#include "G4Transform3D.hh"
#include "G4Types.hh"
 
#include <map>
#include <string>
 
class BDSLinkOpaqueBox;
 
class BDSLinkRegistry
{
public:
  BDSLinkRegistry();
  ~BDSLinkRegistry();
 
  G4int Register(BDSLinkOpaqueBox*    componentIn,
                             const G4Transform3D& globalToInputIn);
 
  const G4Transform3D& Transform(const std::string& name) const;
  const G4Transform3D& Transform(G4int ID) const;
 
  const G4Transform3D& TransformInverse(const std::string& name) const;
  const G4Transform3D& TransformInverse(G4int ID) const;
 
  G4bool NoRotation(const std::string& name) const;
  G4bool NoRotation(G4int ID) const;
 
private:
 
  struct LinkEntry
  {
    G4bool            noRotation;  // true if component straight and no rotation is required
    BDSLinkOpaqueBox* component;
    G4Transform3D     transform;
    G4Transform3D     transformInverse;
    G4int             id;
  };
 
  std::map<std::string, LinkEntry> byName;
  std::map<G4int,       LinkEntry> byID;
};
 
#endif