Files
Bubberstation/code/datums/components
Ryll Ryll e8f2441630 Minor twohanded component refactor (#66791)
The two handed component, while useful, has quite a bit of bloat that gets replicated whenever a new class of 2h items is added.

This PR cuts that bloat by replacing the use ofCOMSIG_TWOHANDED_WIELD and COMSIG_TWOHANDED_UNWIELD as ersatz callbacks with actual callbacks, the replacement of various var/wielded defs on items with a check for HAS_TRAIT(src, TRAIT_WIELDED), and the removal of any now-unnecessary on_wield()/on_unwield() procs that simply toggled those wielded vars
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Datum Component System (DCS)

Concept

Loosely adapted from /vg/. This is an entity component system for adding behaviours to datums when inheritance doesn't quite cut it. By using signals and events instead of direct inheritance, you can inject behaviours without hacky overloads. It requires a different method of thinking, but is not hard to use correctly. If a behaviour can have application across more than one thing. Make it generic, make it a component. Atom/mob/obj event? Give it a signal, and forward it's arguments with a SendSignal() call. Now every component that want's to can also know about this happening.

HackMD page for an introduction to the system as a whole.

See/Define signals and their arguments in __DEFINES\components.dm