a

code/controllers/configuration/config_entry.dm

@@ -146,6 +146,7 @@
 	var/key_mode
 	var/value_mode
 	var/splitter = " "
+	var/lowercase = TRUE
 
 /datum/config_entry/keyed_list/New()
 	. = ..()
@@ -162,7 +163,9 @@
 	var/key_value = null
 
 	if(key_pos || value_mode == VALUE_MODE_FLAG)
-		key_name = lowertext(copytext(str_val, 1, key_pos))
+		key_name = copytext(str_val, 1, key_pos)
+		if(lowercase)
+			key_name = lowertext(key_name)
 		key_value = copytext(str_val, key_pos + 1)
 		var/new_key
 		var/new_value

code/controllers/configuration/entries/game_options.dm

@@ -361,8 +361,14 @@
 
 /datum/config_entry/flag/disable_stambuffer
 
+/datum/config_entry/keyed_list/box_random_engine
+	key_mode = KEY_MODE_TEXT
+	value_mode = VALUE_MODE_FLAG
+	lowercase = FALSE
+	splitter = "-"
+
 /datum/config_entry/number/auto_transfer_delay
 	config_entry_value = 72000
 	min_val = 0
 
-/datum/config_entry/flag/dynamic_mode
+/datum/config_entry/flag/dynamic_mode

code/controllers/subsystem/air.dm

@@ -382,6 +382,9 @@ SUBSYSTEM_DEF(air)
 		CHECK_TICK
 
 /datum/controller/subsystem/air/proc/setup_template_machinery(list/atmos_machines)
+	if(!initialized)
+		return
+
 	for(var/A in atmos_machines)
 		var/obj/machinery/atmospherics/AM = A
 		AM.atmosinit()

code/controllers/subsystem/mapping.dm

@@ -89,6 +89,7 @@ SUBSYSTEM_DEF(mapping)
 	var/list/space_ruins = levels_by_trait(ZTRAIT_SPACE_RUINS)
 	if (space_ruins.len)
 		seedRuins(space_ruins, CONFIG_GET(number/space_budget), /area/space, space_ruins_templates)
+	SSmapping.seedStation()
 	loading_ruins = FALSE
 #endif
 	repopulate_sorted_areas()
@@ -362,6 +363,8 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 			lava_ruins_templates[R.name] = R
 		else if(istype(R, /datum/map_template/ruin/space))
 			space_ruins_templates[R.name] = R
+		else if(istype(R, /datum/map_template/ruin/station))
+			station_room_templates[R.name] = R
 
 /datum/controller/subsystem/mapping/proc/preloadShuttleTemplates()
 	var/list/unbuyable = generateMapList("[global.config.directory]/unbuyableshuttles.txt")
@@ -524,3 +527,14 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 		isolated_ruins_z = add_new_zlevel("Isolated Ruins/Reserved", list(ZTRAIT_RESERVED = TRUE, ZTRAIT_ISOLATED_RUINS = TRUE))
 		initialize_reserved_level(isolated_ruins_z.z_value)
 	return isolated_ruins_z.z_value
+
+	// Station Ruins
+/datum/controller/subsystem/mapping
+	var/list/station_room_templates = list()
+
+/datum/controller/subsystem/mapping/proc/seedStation()
+	for(var/V in GLOB.stationroom_landmarks)
+		var/obj/effect/landmark/stationroom/LM = V
+		LM.load()
+	if(GLOB.stationroom_landmarks.len)
+		seedStation() //I'm sure we can trust everyone not to insert a 1x1 rooms which loads a landmark which loads a landmark which loads a la...

code/datums/ruins/station.dm

@@ -0,0 +1,36 @@
+/datum/map_template/ruin/station
+	prefix = "_maps/RandomRuins/StationRuins/"
+	cost = 0
+
+// Boxstation
+	// Engine
+
+/datum/map_template/ruin/station/box/engine
+	id = "engine_sm"
+	suffix = "Box/Engine/engine_sm.dmm"
+	name = "Engine SM"
+
+/datum/map_template/ruin/station/box/engine/onebythree
+	id = "engine_sm_1x3"
+	suffix = "Box/Engine/engine_sm_1x3.dmm"
+	name = "Engine SM 1x3"
+
+/datum/map_template/ruin/station/box/engine/fivebyfive
+	id = "engine_sm_5x5"
+	suffix = "Box/Engine/engine_sm_5x5.dmm"
+	name = "Engine SM 5x5"
+
+/datum/map_template/ruin/station/box/engine/threesm
+	id = "engine_sm_3x"
+	suffix = "Box/Engine/engine_sm_3x.dmm"
+	name = "Engine SM 3x"
+
+/datum/map_template/ruin/station/box/engine/singulo
+	id = "engine_singulo"
+	suffix = "Box/Engine/engine_singulo.dmm"
+	name = "Engine Singulo"
+
+/datum/map_template/ruin/station/box/engine/tesla
+	id = "engine_tesla"
+	suffix = "Box/Engine/engine_tesla.dmm"
+	name = "Engine Tesla"

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)

config/game_options.txt

@@ -554,3 +554,8 @@ MONKEYCAP 64
 
 ## Uncomment to use TG-style combat
 #DISABLE_STAMBUFFER
+
+## Choose which Engine to start the round with, comment to remove an Engine from the rotation
+BOX_RANDOM_ENGINE Engine SM
+BOX_RANDOM_ENGINE Engine Tesla
+BOX_RANDOM_ENGINE Engine Singulo

tgstation.dme

@@ -492,6 +492,7 @@
 #include "code\datums\mutations\telekinesis.dm"
 #include "code\datums\ruins\lavaland.dm"
 #include "code\datums\ruins\space.dm"
+#include "code\datums\ruins\station.dm"
 #include "code\datums\status_effects\buffs.dm"
 #include "code\datums\status_effects\debuffs.dm"
 #include "code\datums\status_effects\gas.dm"