Merge pull request #10151 from Ghommie/Ghommie-cit450

refactors area code to allow for multiple areas to share the same APC, fire, air alarms etc.

code/game/objects/structures/ai_core.dm

@@ -52,7 +52,7 @@
 	var/area/A = get_area(src)
 	if(!A.blob_allowed)
 		return FALSE
-	if(!A.power_equip)
+	if(!A.powered(EQUIP))
 		return FALSE
 	if(!SSmapping.level_trait(T.z,ZTRAIT_STATION))
 		return FALSE

code/game/objects/structures/displaycase.dm

@@ -80,7 +80,7 @@
 /obj/structure/displaycase/proc/trigger_alarm()
 	//Activate Anti-theft
 	if(alert)
-		var/area/alarmed = get_area(src)
+		var/area/alarmed = get_base_area(src)
 		alarmed.burglaralert(src)
 		playsound(src, 'sound/effects/alert.ogg', 50, 1)