"It has been 0 days since the last incident" sign (#70099)

Adds a fun sign to various places in engineering which tracks how many days (read: rounds) it has been since last time the engine delaminated.

_maps/map_files/Deltastation/DeltaStation2.dmm

@@ -44046,6 +44046,7 @@
 	dir = 1;
 	pixel_y = 23
 	},
+/obj/structure/sign/delamination_counter/directional/west,
 /turf/open/floor/engine,
 /area/station/engineering/supermatter)
 "kDL" = (
@@ -92531,6 +92532,7 @@
 /obj/structure/cable,
 /obj/effect/landmark/start/hangover,
 /obj/effect/decal/cleanable/dirt,
+/obj/structure/sign/delamination_counter/directional/north,
 /turf/open/floor/iron,
 /area/station/engineering/break_room)
 "wyN" = (

_maps/map_files/IceBoxStation/IceBoxStation.dmm

@@ -68827,6 +68827,7 @@
 /obj/effect/turf_decal/stripes/line{
 	dir = 6
 	},
+/obj/structure/sign/delamination_counter/directional/north,
 /turf/open/floor/iron/white/textured,
 /area/station/command/heads_quarters/ce)
 "vkC" = (
@@ -77017,6 +77018,15 @@
 /obj/machinery/light/directional/south,
 /turf/open/floor/plating,
 /area/station/maintenance/department/electrical)
+"xFM" = (
+/obj/effect/turf_decal/stripes/line{
+	dir = 1
+	},
+/obj/machinery/light/directional/north,
+/obj/machinery/atmospherics/pipe/smart/manifold4w/cyan/visible,
+/obj/structure/sign/delamination_counter/directional/north,
+/turf/open/floor/engine,
+/area/station/engineering/supermatter/room)
 "xFU" = (
 /obj/structure/barricade/wooden,
 /obj/structure/sign/warning/gas_mask/directional/south{
@@ -238445,7 +238455,7 @@ cjD
 spF
 cjD
 wuo
-pry
+xFM
 kUz
 mLV
 gka

_maps/map_files/KiloStation/KiloStation.dmm

@@ -48571,6 +48571,17 @@
 	},
 /turf/open/floor/wood,
 /area/station/command/heads_quarters/hos)
+"nPw" = (
+/obj/machinery/door/poddoor/shutters/preopen{
+	dir = 8;
+	id = "ceprivate";
+	name = "Chief Engineer's Privacy Shutters"
+	},
+/obj/machinery/door/firedoor,
+/obj/effect/turf_decal/caution/stand_clear,
+/obj/structure/sign/delamination_counter/directional/north,
+/turf/open/floor/iron/dark,
+/area/station/engineering/lobby)
 "nPz" = (
 /obj/machinery/atmospherics/pipe/smart/manifold4w/scrubbers/hidden/layer2,
 /obj/machinery/atmospherics/pipe/smart/manifold4w/supply/hidden/layer4,
@@ -49197,6 +49208,14 @@
 /obj/structure/window/reinforced/spawner/north,
 /turf/open/floor/plating,
 /area/station/maintenance/fore)
+"obh" = (
+/obj/effect/turf_decal/stripes/line{
+	dir = 1
+	},
+/obj/machinery/atmospherics/pipe/smart/manifold4w/cyan/visible,
+/obj/structure/sign/delamination_counter/directional/north,
+/turf/open/floor/engine,
+/area/station/engineering/supermatter/room)
 "obi" = (
 /obj/effect/decal/cleanable/dirt,
 /obj/structure/cable,
@@ -121114,7 +121133,7 @@ sXJ
 sXJ
 alL
 jjs
-xDj
+nPw
 piN
 xDj
 eHc
@@ -121907,7 +121926,7 @@ lGp
 xlD
 lGp
 lOX
-hqW
+obh
 hNj
 piD
 uyK

_maps/map_files/MetaStation/MetaStation.dmm

@@ -23069,6 +23069,7 @@
 	name = "Engineering Security Doors"
 	},
 /obj/effect/turf_decal/caution/stand_clear,
+/obj/structure/sign/delamination_counter/directional/north,
 /turf/open/floor/iron/dark,
 /area/station/engineering/break_room)
 "iug" = (
@@ -34114,6 +34115,7 @@
 	dir = 4;
 	name = "Gas to Chamber"
 	},
+/obj/structure/sign/delamination_counter/directional/north,
 /turf/open/floor/engine,
 /area/station/engineering/supermatter)
 "mkO" = (

_maps/map_files/tramstation/tramstation.dmm

@@ -12222,6 +12222,7 @@
 	},
 /obj/machinery/newscaster/directional/south,
 /obj/structure/reagent_dispensers/water_cooler,
+/obj/structure/sign/delamination_counter/directional/west,
 /turf/open/floor/iron,
 /area/station/engineering/break_room)
 "eqA" = (
@@ -17565,6 +17566,7 @@
 	dir = 10;
 	network = list("ss13","engine","engineering")
 	},
+/obj/structure/sign/delamination_counter/directional/south,
 /turf/open/floor/engine,
 /area/station/engineering/supermatter)
 "gpR" = (

code/controllers/subsystem/persistence.dm

@@ -1,6 +1,7 @@
 #define FILE_RECENT_MAPS "data/RecentMaps.json"
 
 #define KEEP_ROUNDS_MAP 3
+#define ROUNDCOUNT_ENGINE_JUST_EXPLODED 0
 
 SUBSYSTEM_DEF(persistence)
 	name = "Persistence"
@@ -21,7 +22,7 @@ SUBSYSTEM_DEF(persistence)
 	var/list/picture_logging_information = list()
 	var/list/obj/structure/sign/picture_frame/photo_frames
 	var/list/obj/item/storage/photo_album/photo_albums
-
+	var/rounds_since_engine_exploded = 0
 
 /datum/controller/subsystem/persistence/Initialize()
 	LoadPoly()
@@ -32,6 +33,7 @@ SUBSYSTEM_DEF(persistence)
 	LoadPhotoPersistence()
 	LoadRandomizedRecipes()
 	load_custom_outfits()
+	load_delamination_counter()
 
 	load_adventures()
 	return SS_INIT_SUCCESS
@@ -45,6 +47,7 @@ SUBSYSTEM_DEF(persistence)
 	SaveRandomizedRecipes()
 	SaveScars()
 	save_custom_outfits()
+	save_delamination_counter()
 
 /datum/controller/subsystem/persistence/proc/LoadPoly()
 	for(var/mob/living/simple_animal/parrot/poly/P in GLOB.alive_mob_list)
@@ -460,3 +463,18 @@ SUBSYSTEM_DEF(persistence)
 		data += list(outfit.get_json_data())
 
 	WRITE_FILE(file, json_encode(data))
+
+/// Location where we save the information about how many rounds it has been since the engine blew up
+#define DELAMINATION_COUNT_FILEPATH "data/rounds_since_delamination.txt"
+
+/datum/controller/subsystem/persistence/proc/load_delamination_counter()
+	if (!fexists(DELAMINATION_COUNT_FILEPATH))
+		return
+	rounds_since_engine_exploded = text2num(file2text(DELAMINATION_COUNT_FILEPATH))
+	for (var/obj/structure/sign/delamination_counter/sign as anything in GLOB.map_delamination_counters)
+		sign.update_count(rounds_since_engine_exploded)
+
+/datum/controller/subsystem/persistence/proc/save_delamination_counter()
+	rustg_file_write("[rounds_since_engine_exploded + 1]", DELAMINATION_COUNT_FILEPATH)
+
+#undef DELAMINATION_COUNT_FILEPATH

code/game/objects/structures/signs/signs_interactive.dm

@@ -24,3 +24,61 @@ MAPPING_DIRECTIONAL_HELPERS(/obj/structure/sign/calendar, 32)
 		. += span_info("Events:")
 		for(var/holidayname in SSevents.holidays)
 			. += span_info("[holidayname]")
+
+/**
+ * List of delamination counter signs on the map.
+ * Required as persistence subsystem loads after the ones present at mapload, and to reset to 0 upon explosion.
+ */
+GLOBAL_LIST_EMPTY(map_delamination_counters)
+
+/obj/structure/sign/delamination_counter
+	name = "delamination counter"
+	sign_change_name = "Flip Sign- Supermatter Delamination"
+	desc = "A pair of flip signs describe how long it's been since the last delamination incident."
+	icon_state = "days_since_explosion"
+	is_editable = TRUE
+	var/since_last = 0
+
+MAPPING_DIRECTIONAL_HELPERS(/obj/structure/sign/delamination_counter, 32)
+
+/obj/structure/sign/delamination_counter/Initialize(mapload)
+	. = ..()
+	GLOB.map_delamination_counters += src
+	if (!mapload)
+		update_count(SSpersistence.rounds_since_engine_exploded)
+
+/obj/structure/sign/delamination_counter/Destroy()
+	GLOB.map_delamination_counters -= src
+	return ..()
+
+/obj/structure/sign/delamination_counter/proc/update_count(new_count)
+	since_last = min(new_count, 99)
+	update_appearance()
+
+/obj/structure/sign/delamination_counter/update_overlays()
+	. = ..()
+
+	var/ones = since_last % 10
+	var/mutable_appearance/ones_overlay = mutable_appearance('icons/obj/signs.dmi', "days_[ones]")
+	ones_overlay.pixel_x = 4
+	. += ones_overlay
+
+	var/tens = (since_last / 10) % 10
+	var/mutable_appearance/tens_overlay = mutable_appearance('icons/obj/signs.dmi', "days_[tens]")
+	tens_overlay.pixel_x = -5
+	. += tens_overlay
+
+/obj/structure/sign/delamination_counter/examine(mob/user)
+	. = ..()
+	. += span_info("It has been [since_last] day\s since the last delamination event at a Nanotrasen facility.")
+	switch (since_last)
+		if (0)
+			. += span_info("In case you didn't notice.")
+		if(1)
+			. += span_info("Let's do better today.")
+		if(2 to 5)
+			. += span_info("There's room for improvement.")
+		if(6 to 10)
+			. += span_info("Good work!")
+		if(11 to INFINITY)
+			. += span_info("Incredible!")

code/modules/power/supermatter/supermatter_delamination/_sm_delam.dm

@@ -18,15 +18,19 @@ GLOBAL_LIST_INIT(sm_delam_list, list(
 /// Called when the count down has been finished, do the nasty work.
 /// [/obj/machinery/power/supermatter_crystal/proc/count_down]
 /datum/sm_delam/proc/delaminate(obj/machinery/power/supermatter_crystal/sm)
+	if (sm.is_main_engine)
+		SSpersistence.rounds_since_engine_exploded = ROUNDCOUNT_ENGINE_JUST_EXPLODED
+		for (var/obj/structure/sign/delamination_counter/sign as anything in GLOB.map_delamination_counters)
+			sign.update_count(ROUNDCOUNT_ENGINE_JUST_EXPLODED)
 	qdel(sm)
 
-/// Whatever we're supposed to do when a delam is currently in progress. 
+/// Whatever we're supposed to do when a delam is currently in progress.
 /// Mostly just to tell people how useless engi is, and play some alarm sounds.
 /// Returns TRUE if we just told people a delam is going on. FALSE if its healing or we didnt say anything.
 /// [/obj/machinery/power/supermatter_crystal/proc/process_atmos]
 /datum/sm_delam/proc/delam_progress(obj/machinery/power/supermatter_crystal/sm)
 	if(sm.damage <= sm.warning_point) // Damage is too low, lets not
-		return FALSE 
+		return FALSE
 
 	if (sm.damage >= sm.emergency_point && sm.damage_archived < sm.emergency_point)
 		sm.investigate_log("has entered the emergency point.", INVESTIGATE_ENGINE)

code/modules/power/supermatter/supermatter_delamination/cascade_delam.dm

@@ -66,7 +66,7 @@
 	SSsupermatter_cascade.can_fire = TRUE
 	SSsupermatter_cascade.cascade_initiated = TRUE
 	effect_crystal_mass(sm, rift)
-	qdel(sm)
+	return ..()
 
 /datum/sm_delam/cascade/examine(obj/machinery/power/supermatter_crystal/sm)
 	return list(span_bolddanger("The crystal is vibrating at immense speeds, warping space around it!"))

code/modules/power/supermatter/supermatter_delamination/common_delams.dm

@@ -12,7 +12,7 @@
 		return FALSE
 	sm.radio.talk_into(
 		sm,
-		"Warning: Critical coolant mass reached.", 
+		"Warning: Critical coolant mass reached.",
 		sm.damage > sm.emergency_point ? sm.emergency_channel : sm.warning_channel
 	)
 
@@ -26,7 +26,7 @@
 		effect_anomaly(sm)
 	if(!effect_singulo(sm))
 		effect_explosion(sm)
-	qdel(sm)
+	return ..()
 
 /// When we have too much power.
 /datum/sm_delam/tesla
@@ -54,7 +54,7 @@
 		effect_anomaly(sm)
 	effect_tesla(sm)
 	effect_explosion(sm)
-	qdel(sm)
+	return ..()
 
 /// Default delam.
 /datum/sm_delam/explosive
@@ -71,4 +71,4 @@
 	if(sm.is_main_engine)
 		effect_anomaly(sm)
 	effect_explosion(sm)
-	qdel(sm)
+	return ..()