VolumeBuildersUnitTypes.hh

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// VolumeBuilderUnitTypes.hh
// A bridge to bring DLG4Units.hh into VolumeBuilders without a header loop
// Created by D.S. Leonard on 5/11/26.
//
 
#ifndef HPGESIM_VOLUMEBUIDLERSUNITTYPES_HH
#define HPGESIM_VOLUMEBUIDLERSUNITTYPES_HH
#include "DLG4Units.hh"
 
namespace DLG4::VolumeBuilders {
    using DLG4::Units::SetGlobalDefaultUnit;
    using Length3Vec = DLG4::Units::Length3Vec;
    template <class T,class NativeType>
    using Unit = DLG4::Units::UnitBase<T,NativeType>;
    using Length = DLG4::Units::Length;
    using Volume = DLG4::Units::Volume;
    using Density = DLG4::Units::Density;
 
 
    class ThreeVecDimensioner : public DLG4::Units::Length3Vec {
    public:
        double x, y, z;
        ThreeVecDimensioner() = default;
 
        ThreeVecDimensioner(const ThreeVecDimensioner &) = delete;
 
        ThreeVecDimensioner &operator=(const ThreeVecDimensioner &) = delete;
 
        ThreeVecDimensioner(Length3Vec v)
            : Length3Vec(v) { Sync(); }
 
        ThreeVecDimensioner(G4ThreeVector v, const Length &u)
            : Length3Vec(v, u) { Sync(); }
 
        ThreeVecDimensioner(double x, double y, double z, const Length &u)
            : Length3Vec(x, y, z, u) { Sync(); }
 
        ThreeVecDimensioner(double x, double y, double z): Length3Vec(x,y,z,DLG4::Units::Length::native) {
            is_dimensioned_ = false;
            Sync();
        }
 
        ThreeVecDimensioner(G4ThreeVector v)
            : ThreeVecDimensioner(v.x(), v.y(), v.z()) {
        }
 
        [[nodiscard]] G4ThreeVector apply_units(const Length dflt_unit) const {
            auto vec = G4ThreeVector(x, y, z);
            if (!is_dimensioned_) {
                vec *= dflt_unit.Native;
            }
            return vec;
        }
 
    private:
        void Sync() {
            x = NativeValue_->x();
            y = NativeValue_->y();
            z = NativeValue_->z();
        }
 
        bool is_dimensioned_ = true;
    };
 
 
}
 
 
 
#endif //HPGESIM_VOLUMEBUIDLERSUNITTYPES_HH