AllowTool.Designator_MassSelect.GetConstraintHashForThing C# (CSharp) Method

		private int GetConstraintHashForThing(Thing thing) {
			int hash = thing.def.shortHash;
			if (thing.Stuff != null)
				unchecked {
					hash += thing.Stuff.shortHash * 31;
				}
			return hash;
		}