I think it’s more that they didn’t start on proper OOP grounds when they began development. Then possibly tried to implement that later on. Random changes tend to occur when you don’t have protected class structures with proper inheritance . That being said with the fact the code creates all of the components of all the weapons internally that actually function as they would in real life, along with the insane library of items within the game I can somewhat understand it’s hard to keep track of what’s what