Merge pull request #39864 from ninjanomnom/datum-registration

Move signal registration from components to datums

code/datums/datum.dm

@@ -2,7 +2,9 @@
 	var/gc_destroyed //Time when this object was destroyed.
 	var/list/active_timers  //for SStimer
 	var/list/datum_components //for /datum/components
-	var/list/comp_lookup //for /datum/components
+	var/list/comp_lookup //it used to be for looking up components which had registered a signal but now anything can register
+	var/list/signal_procs
+	var/signal_enabled = FALSE
 	var/datum_flags = NONE
 	var/datum/weakref/weak_reference
 
@@ -31,6 +33,9 @@
 			continue
 		qdel(timer)
 
+	//BEGIN: ECS SHIT
+	signal_enabled = FALSE
+
 	var/list/dc = datum_components
 	if(dc)
 		var/all_components = dc[/datum/component]
@@ -56,6 +61,10 @@
 				comp.UnregisterSignal(src, sig)
 		comp_lookup = lookup = null
 
+	for(var/target in signal_procs)
+		UnregisterSignal(target, signal_procs[target])
+	//END: ECS SHIT
+
 	return QDEL_HINT_QUEUE
 
 #ifdef DATUMVAR_DEBUGGING_MODE