Files
Bubberstation/code/datums/components
SyncIt21 b664bfc9d1 Enforces checks on dual wielding items (#82130)
## About The Pull Request
- Fixes #82043

The issue goes deeper than just the chainsaw. The problem is we are
dropping our item too early if the dual handed checks fail. This doesn't
fully stop the equipping process and still causes the action buttons to
be added as if the equipping process succeeded

The solution is too unequip/drop the item and reverse all steps related
to the equipping process after it has fully completed inside
`COMSIG_ITEM_POST_EQUIPPED` to properly reverse the effects of equipping
and also cancel further actions by returning `COMPONENT_EQUIPPED_FAILED`

## Changelog
🆑
fix: failing to equip a dual handed item should properly clear out all
status effects related to equipping it, for e.g. remove the action
button from chainsaw
/🆑
2024-03-21 22:29:12 +01:00
..
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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