[MIRROR] Removes tripai landmark (#5280)

* Removes tripai landmark

* Update landmarks.dm

code/game/objects/effects/landmarks.dm

@@ -186,6 +186,12 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark)
 	name = "AI"
 	icon_state = "AI"
 	delete_after_roundstart = FALSE
+	var/primary_ai = TRUE
+
+/obj/effect/landmark/start/ai/secondary
+	icon = 'icons/effects/landmarks_static.dmi'
+	icon_state = "ai_spawn"
+	primary_ai = FALSE
 
 
 //Department Security spawns
@@ -274,12 +280,6 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	name = "Observer-Start"
 	icon_state = "observer_start"
 
-// triple ais.
-/obj/effect/landmark/tripai
-	name = "tripai"
-	icon_state = "ai_spawn"
-	layer = MOB_LAYER
-
 // xenos.
 /obj/effect/landmark/xeno_spawn
 	name = "xeno_spawn"

code/modules/mob/transform_procs.dm

@@ -329,30 +329,30 @@
 	return ..()
 
 /mob/proc/AIize(transfer_after = TRUE)
-	if(client)
-		stop_sound_channel(CHANNEL_LOBBYMUSIC)
-
-	var/turf/loc_landmark
-	for(var/obj/effect/landmark/start/sloc in GLOB.landmarks_list)
-		if(sloc.name != "AI")
-			continue
+	var/list/turf/landmark_loc = list()
+	for(var/obj/effect/landmark/start/ai/sloc in GLOB.landmarks_list)
 		if(locate(/mob/living/silicon/ai) in sloc.loc)
 			continue
-		loc_landmark = sloc.loc
-	if(!loc_landmark)
-		for(var/obj/effect/landmark/tripai/L in GLOB.landmarks_list)
-			if(locate(/mob/living/silicon/ai) in L.loc)
-				continue
-			loc_landmark = L.loc
-	if(!loc_landmark)
+		if(sloc.primary_ai)
+			landmark_loc += sloc.loc
+			break
+		landmark_loc += sloc.loc
+	if(!landmark_loc.len)
 		to_chat(src, "Oh god sorry we can't find an unoccupied AI spawn location, so we're spawning you on top of someone.")
 		for(var/obj/effect/landmark/start/ai/sloc in GLOB.landmarks_list)
-			loc_landmark = sloc.loc
+			landmark_loc += sloc.loc
+
+	if(!landmark_loc.len)
+		message_admins("[src] cannot be made an AI as there are no valid spawn points. Yell at a mapper!")
+		return
+
+	if(client)
+		stop_sound_channel(CHANNEL_LOBBYMUSIC)
 
 	if(!transfer_after)
 		mind.active = FALSE
 
-	. = new /mob/living/silicon/ai(loc_landmark, null, src)
+	. = new /mob/living/silicon/ai(pick(landmark_loc), null, src)
 
 	qdel(src)