ISolidBuilder.hh

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#pragma once
#ifndef ISOLIDBUIDLER_HH
#define ISOLIDBUIDLER_HH
 
#include <G4LogicalVolume.hh>
#include <G4Transform3D.hh>
#include <G4VSolid.hh>
 
#include "Linkable.hh"
#include "VolumeBuildersTypes.hh"
 
 
namespace DLG4::VolumeBuilders::_internals_ {
 
    class IStructureBuilder {
    protected:
        friend class VolumeBuilderCore;    // for tye erasing polymorphism
        friend class StructureBuilderCore; // for tye erasing polymorphism
        template <typename T>
        friend class StructureBuilderBase;
        friend class AssemblyCore;
        virtual G4VSolid *SolidConstructor(const G4String &name) = 0;
        virtual ~IStructureBuilder() = default;
        // clones and returns a base class pointer
        [[nodiscard]] virtual SharedPtr<IStructureBuilder> clone_impl() const = 0;
        // Returns a type-erased view ptr.
        [[nodiscard]] virtual StructureBuilder ToStructureView() const = 0;
        [[nodiscard]] virtual VolumeBuilder ToVolumeBuilder() const = 0;
        // store type erased views of underlying objects...
        // combined with above we can get a view from an object and store the view
        // in the tye-erased object being copied or constructed.
    };
 
    //Just a tag class to mark IStructureBuilders that are also ISolidBuilders
    class ISolidBuilder: public IStructureBuilder {
    };
}
 
 
//
 
 
#endif //ISOLIDBUIDLER_HH