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

for(var/bad_code in world)

code/modules/mob/dead/observer/observer.dm

@@ -795,7 +795,7 @@ mob/observer/dead/MayRespawn(var/feedback = 0)
 	set name = "Blank pAI alert"
 	set desc = "Flash an indicator light on available blank pAI devices for a smidgen of hope."
 	if(usr.client.prefs.be_special & BE_PAI)
-		for(var/obj/item/device/paicard/p in world)
+		for(var/obj/item/device/paicard/p in all_pai_cards)
 			var/obj/item/device/paicard/PP = p
 			if(PP.pai == null)
 				PP.overlays += "pai-ghostalert"

code/modules/mob/living/carbon/human/human.dm

@@ -843,7 +843,7 @@
 		src.verbs -= /mob/living/carbon/human/proc/remotesay
 		return
 	var/list/creatures = list()
-	for(var/mob/living/carbon/h in world)
+	for(var/mob/living/carbon/h in mob_list)
 		creatures += h
 	var/mob/target = input("Who do you want to project your mind to ?") as null|anything in creatures
 	if (isnull(target))
@@ -856,7 +856,7 @@
 		target.show_message("<font color='blue'> You hear a voice that seems to echo around the room: [say]</font>")
 	usr.show_message("<font color='blue'> You project your mind into [target.real_name]: [say]</font>")
 	log_say("(TPATH to [key_name(target)]) [say]",src)
-	for(var/mob/observer/dead/G in world)
+	for(var/mob/observer/dead/G in mob_list)
 		G.show_message("<i>Telepathic message from <b>[src]</b> to <b>[target]</b>: [say]</i>")
 
 /mob/living/carbon/human/proc/remoteobserve()
@@ -881,7 +881,7 @@
 
 	var/list/mob/creatures = list()
 
-	for(var/mob/living/carbon/h in world)
+	for(var/mob/living/carbon/h in mob_list)
 		var/turf/temp_turf = get_turf(h)
 		if((temp_turf.z != 1 && temp_turf.z != 5) || h.stat!=CONSCIOUS) //Not on mining or the station. Or dead
 			continue
@@ -920,7 +920,7 @@
 	restore_all_organs()       // Reapply robotics/amputated status from preferences.
 
 	if(!client || !key) //Don't boot out anyone already in the mob.
-		for (var/obj/item/organ/internal/brain/H in world)
+		for (var/obj/item/organ/internal/brain/H in all_brain_organs)
 			if(H.brainmob)
 				if(H.brainmob.real_name == src.real_name)
 					if(H.brainmob.mind)

code/modules/mob/living/silicon/ai/death.dm

@@ -8,7 +8,7 @@
 
 	remove_ai_verbs(src)
 
-	for(var/obj/machinery/ai_status_display/O in world)
+	for(var/obj/machinery/ai_status_display/O in machines)
 		spawn( 0 )
 		O.mode = 2
 		if (istype(loc, /obj/item/device/aicard))

code/modules/mob/living/silicon/ai/logout.dm

@@ -1,6 +1,6 @@
 /mob/living/silicon/ai/Logout()
 	..()
-	for(var/obj/machinery/ai_status_display/O in world) //change status
+	for(var/obj/machinery/ai_status_display/O in machines) //change status
 		O.mode = 0
 	if(!isturf(loc))
 		if (client)

code/modules/mob/living/silicon/decoy/death.dm

@@ -3,6 +3,6 @@
 	icon_state = "ai-crash"
 	spawn(10)
 		explosion(loc, 3, 6, 12, 15)
-	for(var/obj/machinery/ai_status_display/O in world) //change status
+	for(var/obj/machinery/ai_status_display/O in machines) //change status
 		O.mode = 2
 	return ..(gibbed)

code/modules/mob/living/silicon/pai/recruit.dm

@@ -87,7 +87,7 @@ var/datum/paiController/paiController			// Global handler for pAI candidates
 			if("submit")
 				if(candidate)
 					candidate.ready = 1
-					for(var/obj/item/device/paicard/p in world)
+					for(var/obj/item/device/paicard/p in all_pai_cards)
 						if(p.looking_for_personality == 1)
 							p.alertUpdate()
 				usr << browse(null, "window=paiRecruit")

code/modules/mob/living/silicon/robot/drone/drone.dm

@@ -187,9 +187,8 @@ var/list/mob_hat_cache = list()
 
 			user.visible_message("<span class='danger'>\The [user] swipes [TU.his] ID card through \the [src], attempting to reboot it.</span>", "<span class='danger'>>You swipe your ID card through \the [src], attempting to reboot it.</span>")
 			var/drones = 0
-			for(var/mob/living/silicon/robot/drone/D in world)
-				if(D.key && D.client)
-					drones++
+			for(var/mob/living/silicon/robot/drone/D in player_list)
+				drones++
 			if(drones < config.max_maint_drones)
 				request_player()
 			return

code/modules/mob/living/silicon/robot/drone/drone_console.dm

@@ -26,7 +26,7 @@
 	var/dat
 	dat += "<B>Maintenance Units</B><BR>"
 
-	for(var/mob/living/silicon/robot/drone/D in world)
+	for(var/mob/living/silicon/robot/drone/D in mob_list)
 		if(D.z != src.z)
 			continue
 		dat += "<BR>[D.real_name] ([D.stat == 2 ? "<font color='red'>INACTIVE</FONT>" : "<font color='green'>ACTIVE</FONT>"])"
@@ -68,8 +68,8 @@
 	else if (href_list["ping"])
 
 		usr << "<span class='notice'>You issue a maintenance request for all active drones, highlighting [drone_call_area].</span>"
-		for(var/mob/living/silicon/robot/drone/D in world)
-			if(D.client && D.stat == 0)
+		for(var/mob/living/silicon/robot/drone/D in player_list)
+			if(D.stat == 0)
 				D << "-- Maintenance drone presence requested in: [drone_call_area]."
 
 	else if (href_list["resync"])

code/modules/mob/living/silicon/robot/drone/drone_manufacturer.dm

@@ -1,8 +1,7 @@
 /proc/count_drones()
 	var/drones = 0
-	for(var/mob/living/silicon/robot/drone/D in world)
-		if(D.key && D.client)
-			drones++
+	for(var/mob/living/silicon/robot/drone/D in player_list)
+		drones++
 	return drones
 
 /obj/machinery/drone_fabricator
@@ -135,7 +134,7 @@
 		return
 
 	var/list/all_fabricators = list()
-	for(var/obj/machinery/drone_fabricator/DF in world)
+	for(var/obj/machinery/drone_fabricator/DF in machines)
 		if(DF.stat & NOPOWER || !DF.produce_drones)
 			continue
 		if(DF.drone_progress >= 100)