code/__DEFINES/dcs/signals/signals_datum.dm 
| COMSIG_COMPONENT_ADDED | when a component is added to a datum: (/datum/component) |
|---|---|
| COMSIG_COMPONENT_REMOVING | before a component is removed from a datum because of ClearFromParent: (/datum/component) |
| COMSIG_PARENT_PREQDELETED | before a datum's Destroy() is called: (force), returning a nonzero value will cancel the qdel operation |
| COMSIG_PARENT_QDELETING | just before a datum's Destroy() is called: (force), at this point none of the other components chose to interrupt qdel and Destroy will be called |
| COMSIG_TOPIC | generic topic handler (usr, href_list) |
| COMSIG_VV_TOPIC | handler for vv_do_topic (usr, href_list) |
| COMSIG_UI_ACT | from datum ui_act (usr, action) |
| COMSIG_ELEMENT_ATTACH | fires on the target datum when an element is attached to it (/datum/element) |
| COMSIG_ELEMENT_DETACH | fires on the target datum when an element is attached to it (/datum/element) |
| COMSIG_MERGER_ADDING | Called on the object being added to a merger group: (datum/merger/new_merger) |
| COMSIG_MERGER_REMOVING | Called on the object being removed from a merger group: (datum/merger/old_merger) |
| COMSIG_MERGER_REFRESH_COMPLETE | Called on the merger after finishing a refresh: (list/leaving_members, list/joining_members) |
| COMSIG_GASMIX_MERGED | From /datum/gas_mixture/proc/merge: () |
| COMSIG_GASMIX_REACTED | From /datum/gas_mixture/proc/react: () |
Define Details
COMSIG_COMPONENT_ADDED
when a component is added to a datum: (/datum/component)
COMSIG_COMPONENT_REMOVING
before a component is removed from a datum because of ClearFromParent: (/datum/component)
COMSIG_ELEMENT_ATTACH
fires on the target datum when an element is attached to it (/datum/element)
COMSIG_ELEMENT_DETACH
fires on the target datum when an element is attached to it (/datum/element)
COMSIG_GASMIX_MERGED
From /datum/gas_mixture/proc/merge: ()
COMSIG_GASMIX_REACTED
From /datum/gas_mixture/proc/react: ()
COMSIG_MERGER_ADDING
Called on the object being added to a merger group: (datum/merger/new_merger)
COMSIG_MERGER_REFRESH_COMPLETE
Called on the merger after finishing a refresh: (list/leaving_members, list/joining_members)
COMSIG_MERGER_REMOVING
Called on the object being removed from a merger group: (datum/merger/old_merger)
COMSIG_PARENT_PREQDELETED
before a datum's Destroy() is called: (force), returning a nonzero value will cancel the qdel operation
COMSIG_PARENT_QDELETING
just before a datum's Destroy() is called: (force), at this point none of the other components chose to interrupt qdel and Destroy will be called
COMSIG_TOPIC
generic topic handler (usr, href_list)
COMSIG_UI_ACT
from datum ui_act (usr, action)
COMSIG_VV_TOPIC
handler for vv_do_topic (usr, href_list)