Merge pull request #5229 from Neerti/4/29/2018_remove_world_REMOVE_WORLD

for(var/bad_code in world)

code/game/objects/items/weapons/implants/implant.dm

@@ -69,6 +69,8 @@
 	else
 		..()
 
+GLOBAL_LIST_BOILERPLATE(all_tracking_implants, /obj/item/weapon/implant/tracking)
+
 /obj/item/weapon/implant/tracking
 	name = "tracking implant"
 	desc = "An implant normally given to dangerous criminals. Allows security to track your location."
@@ -309,6 +311,8 @@ Implant Specifics:<BR>"}
 			explosion(get_turf(imp_in), -1, -1, 1, 3)
 			qdel(src)
 
+GLOBAL_LIST_BOILERPLATE(all_chem_implants, /obj/item/weapon/implant/chem)
+
 /obj/item/weapon/implant/chem
 	name = "chemical implant"
 	desc = "Injects things."

code/game/objects/items/weapons/mop.dm

@@ -1,3 +1,5 @@
+GLOBAL_LIST_BOILERPLATE(all_mops, /obj/item/weapon/mop)
+
 /obj/item/weapon/mop
 	desc = "The world of janitalia wouldn't be complete without a mop."
 	name = "mop"
@@ -12,7 +14,6 @@
 	var/mopping = 0
 	var/mopcount = 0
 
-
 /obj/item/weapon/mop/New()
 	create_reagents(30)
 

code/game/objects/items/weapons/teleportation.dm

@@ -60,7 +60,7 @@ Frequency:
 			if (sr)
 				src.temp += "<B>Located Beacons:</B><BR>"
 
-				for(var/obj/item/device/radio/beacon/W in world)
+				for(var/obj/item/device/radio/beacon/W in all_beacons)
 					if (W.frequency == src.frequency)
 						var/turf/tr = get_turf(W)
 						if (tr.z == sr.z && tr)
@@ -78,7 +78,7 @@ Frequency:
 							src.temp += "[W.code]-[dir2text(get_dir(sr, tr))]-[direct]<BR>"
 
 				src.temp += "<B>Extranneous Signals:</B><BR>"
-				for (var/obj/item/weapon/implant/tracking/W in world)
+				for (var/obj/item/weapon/implant/tracking/W in all_tracking_implants)
 					if (!W.implanted || !(istype(W.loc,/obj/item/organ/external) || ismob(W.loc) || W.malfunction))
 						continue
 
@@ -137,7 +137,7 @@ Frequency:
 		user << "<span class='notice'>\The [src] is malfunctioning.</span>"
 		return
 	var/list/L = list(  )
-	for(var/obj/machinery/teleport/hub/R in world)
+	for(var/obj/machinery/teleport/hub/R in machines)
 		var/obj/machinery/computer/teleporter/com = locate(/obj/machinery/computer/teleporter, locate(R.x - 2, R.y, R.z))
 		if (istype(com, /obj/machinery/computer/teleporter) && com.locked && !com.one_time_use)
 			if(R.icon_state == "tele1")
@@ -156,7 +156,7 @@ Frequency:
 	if ((user.get_active_hand() != src || user.stat || user.restrained()))
 		return
 	var/count = 0	//num of portals from this teleport in world
-	for(var/obj/effect/portal/PO in world)
+	for(var/obj/effect/portal/PO in all_portals)
 		if(PO.creator == src)	count++
 	if(count >= 3)
 		user.show_message("<span class='notice'>\The [src] is recharging!</span>")