Method setMod

src/OpenLoco/include/OpenLoco/Map/RoadElement.h:132–136

            _7 |= (mods & 0x3) << 6;
        }
        void setMod(uint8_t mod, bool value)
        {
            _7 &= ~(1U << (mod + 6));
            _7 |= value ? (1U << (mod + 6)) : 0;
        }
        CompanyId owner() const { return CompanyId(_7 & 0xF); } // _7l
        void setOwner(CompanyId newOwner) { _7 = (_7 & 0xF0) | (enumValue(newOwner) & 0xF); }
        bool update(const World::Pos2& loc);