internal ShotItemBasis(IEquipmetnItemBasisParameter basisparam)
     : base(basisparam)
 {
 }
 public ShieldBasis(IEquipmetnItemBasisParameter param)
     : base(param)
 {
 }
 public WeaponBasis(IEquipmetnItemBasisParameter param)
     : base(param)
 {
 }