Merge pull request #10245 from r4d6/substationV2

Make Box's Engine be randomised between SM, Tesla and Singulo V2 [TEST-MERGE]

code/game/objects/effects/landmarks.dm

@@ -432,3 +432,52 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	GLOB.ruin_landmarks -= src
 	ruin_template = null
 	. = ..()
+
+//------Station Rooms Landmarks------------//
+/obj/effect/landmark/stationroom
+	var/list/template_names = list()
+	layer = BULLET_HOLE_LAYER
+
+/obj/effect/landmark/stationroom/New()
+	..()
+	GLOB.stationroom_landmarks += src
+
+/obj/effect/landmark/stationroom/Destroy()
+	if(src in GLOB.stationroom_landmarks)
+		GLOB.stationroom_landmarks -= src
+	return ..()
+
+/obj/effect/landmark/stationroom/proc/load(template_name)
+	var/turf/T = get_turf(src)
+	if(!T)
+		return FALSE
+	if(!template_name)
+		for(var/t in template_names)
+			if(!SSmapping.station_room_templates[t])
+				log_world("Station room spawner placed at ([T.x], [T.y], [T.z]) has invalid ruin name of \"[t]\" in its list")
+				template_names -= t
+		template_name = safepick(template_names)
+	if(!template_name)
+		GLOB.stationroom_landmarks -= src
+		qdel(src)
+		return FALSE
+	var/datum/map_template/template = SSmapping.station_room_templates[template_name]
+	if(!template)
+		return FALSE
+	testing("Room \"[template_name]\" placed at ([T.x], [T.y], [T.z])")
+	template.load(T, centered = FALSE)
+	template.loaded++
+	GLOB.stationroom_landmarks -= src
+	qdel(src)
+	return TRUE
+
+// The landmark for the Engine on Box
+
+/obj/effect/landmark/stationroom/box/engine
+	template_names = list("Engine SM", "Engine Singulo", "Engine Tesla")
+	icon = 'icons/rooms/box/engine.dmi'
+
+
+/obj/effect/landmark/stationroom/box/engine/New()
+	. = ..()
+	template_names = CONFIG_GET(keyed_list/box_random_engine)