[MIRROR] A "postal workers strike" negative station trait. (can be positive) [MDB IGNORE] (#25874)

* A "postal workers strike" negative station trait. (can be positive)

* Update shuttle_loan_datum.dm

---------

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>

code/__DEFINES/wall_dents.dm

@@ -1,2 +1,3 @@
 #define WALL_DENT_HIT 1
 #define WALL_DENT_SHOT 2
+#define MAX_DENT_DECALS 15

code/datums/station_traits/negative_traits.dm

@@ -17,6 +17,30 @@
 /datum/station_trait/distant_supply_lines/on_round_start()
 	SSeconomy.pack_price_modifier *= 1.2
 
+///A negative trait that stops mail from arriving (or the inverse if on holiday). It also enables a specific shuttle loan situation.
+/datum/station_trait/mail_blocked
+	name = "Postal workers strike"
+	trait_type = STATION_TRAIT_NEGATIVE
+	weight = 2
+	show_in_report = TRUE
+	report_message = "Due to an ongoing strike announced by the postal workers union, mail won't be delivered this shift."
+
+/datum/station_trait/mail_blocked/on_round_start()
+	//This is either a holiday or sunday... well then, let's flip the situation.
+	if(SSeconomy.mail_blocked)
+		name = "Postal system overtime"
+		report_message = "Despite being a day off, the postal system is working overtime today. Mail will be delivered this shift."
+	else
+		var/datum/round_event_control/shuttle_loan/our_event = locate() in SSevents.control
+		our_event.unavailable_situations -= /datum/shuttle_loan_situation/mail_strike
+	SSeconomy.mail_blocked = !SSeconomy.mail_blocked
+
+/datum/station_trait/mail_blocked/hangover/revert()
+	var/datum/round_event_control/shuttle_loan/our_event = locate() in SSevents.control
+	our_event.unavailable_situations |= /datum/shuttle_loan_situation/mail_strike
+	SSeconomy.mail_blocked = !SSeconomy.mail_blocked
+	return ..()
+
 ///A negative trait that reduces the amount of products available from vending machines throughout the station.
 /datum/station_trait/vending_shortage
 	name = "Vending products shortage"

code/game/objects/effects/spawners/random/contraband.dm

@@ -141,3 +141,59 @@
 		/obj/item/restraints/legcuffs/beartrap/prearmed = 5, //not really a landmine, but still a good threat
 		/obj/effect/mine/shrapnel = 5,
 	)
+
+/obj/effect/spawner/random/contraband/grenades
+	name = "grenades spawner"
+	loot = list(
+		/obj/item/grenade/chem_grenade/metalfoam,
+		/obj/item/grenade/chem_grenade/cleaner,
+		/obj/effect/spawner/random/entertainment/colorful_grenades,
+		/obj/item/grenade/smokebomb,
+		/obj/item/grenade/chem_grenade/antiweed,
+		/obj/item/grenade/spawnergrenade/syndiesoap,
+		/obj/effect/spawner/random/contraband/grenades/dangerous,
+	)
+
+/obj/effect/spawner/random/contraband/grenades/dangerous
+	name = "dangerous grenades spawner"
+	loot = list(
+		/obj/item/grenade/flashbang = 3,
+		/obj/item/grenade/chem_grenade/teargas = 2,
+		/obj/item/grenade/iedcasing/spawned = 2,
+		/obj/item/grenade/empgrenade = 2,
+		/obj/item/grenade/antigravity = 2,
+		/obj/effect/spawner/random/contraband/grenades/cluster = 1,
+		/obj/effect/spawner/random/contraband/grenades/lethal = 1,
+	)
+
+/obj/effect/spawner/random/contraband/grenades/cluster
+	name = "clusterbusters spawner"
+	loot = list(
+		/obj/item/grenade/clusterbuster/smoke = 4,
+		/obj/item/grenade/clusterbuster/metalfoam = 4,
+		/obj/item/grenade/clusterbuster/cleaner = 4,
+		/obj/item/grenade/clusterbuster = 3,
+		/obj/item/grenade/clusterbuster/teargas = 3,
+		/obj/item/grenade/clusterbuster/antiweed = 3,
+		/obj/item/grenade/clusterbuster/soap = 2,
+		/obj/item/grenade/clusterbuster/emp = 1,
+		/obj/item/grenade/clusterbuster/spawner_spesscarp = 1,
+		/obj/item/grenade/clusterbuster/facid = 1,
+		/obj/item/grenade/clusterbuster/inferno = 1,
+		/obj/item/grenade/clusterbuster/clf3 = 1,
+	)
+
+/obj/effect/spawner/random/contraband/grenades/lethal
+	name = "lethal grenades spawner"
+	loot = list(
+		/obj/item/grenade/chem_grenade/incendiary = 3,
+		/obj/item/grenade/chem_grenade/facid = 3,
+		/obj/item/grenade/chem_grenade/ez_clean = 3,
+		/obj/item/grenade/chem_grenade/clf3 = 2,
+		/obj/item/grenade/gluon = 2,
+		/obj/item/grenade/chem_grenade/holy = 2,
+		/obj/item/grenade/spawnergrenade/spesscarp = 1,
+		/obj/item/grenade/spawnergrenade/cat = 1,
+		/obj/item/grenade/frag = 1,
+		/obj/item/grenade/chem_grenade/bioterrorfoam = 1,
+	)

code/game/objects/effects/spawners/random/entertainment.dm

@@ -281,3 +281,12 @@
 		/obj/item/toy/plush/ratplush = 2,
 		/obj/item/toy/plush/narplush = 2,
 	)
+
+/obj/effect/spawner/random/entertainment/colorful_grenades
+	name = "colorful/glitter grenades spawner"
+	loot = list(
+		/obj/item/grenade/chem_grenade/glitter/pink,
+		/obj/item/grenade/chem_grenade/glitter/blue,
+		/obj/item/grenade/chem_grenade/glitter/white,
+		/obj/item/grenade/chem_grenade/colorful
+	)

code/game/objects/effects/spawners/random/food_or_drink.dm

@@ -323,3 +323,17 @@
 		/obj/item/food/donut/jelly/slimejelly/matcha = 2,
 		/obj/item/food/donut/jelly/slimejelly/trumpet = 2,
 	)
+
+/obj/effect/spawner/random/food_or_drink/any_snack_or_beverage
+	name = "any snack or beverage spawner"
+	icon_state = "slime_jelly_donut"
+	loot = list(
+		/obj/effect/spawner/random/food_or_drink/snack = 6,
+		/obj/effect/spawner/random/food_or_drink/refreshing_beverage = 6,
+		/obj/effect/spawner/random/food_or_drink/donuts = 5,
+		/obj/effect/spawner/random/food_or_drink/donkpockets_single = 5,
+		/obj/effect/spawner/random/food_or_drink/booze = 4,
+		/obj/effect/spawner/random/food_or_drink/snack/lizard = 4,
+		/obj/effect/spawner/random/food_or_drink/jelly_donuts = 3,
+		/obj/effect/spawner/random/food_or_drink/slime_jelly_donuts = 1,
+	)

code/game/objects/items/mail.dm

@@ -154,14 +154,18 @@
 
 /obj/item/mail/examine_more(mob/user)
 	. = ..()
-	var/list/msg = list(span_notice("<i>You notice the postmarking on the front of the mail...</i>"))
+	if(!postmarked)
+		. += span_info("This mail has no postmarking of any sort...")
+	else
+		. += span_notice("<i>You notice the postmarking on the front of the mail...</i>")
 	var/datum/mind/recipient = recipient_ref.resolve()
 	if(recipient)
-		msg += "\t[span_info("Certified NT mail for [recipient].")]"
+		. += span_info("[postmarked ? "Certified NT" : "Uncertfieid"] mail for [recipient].")
+	else if(postmarked)
+		. += span_info("Certified mail for [GLOB.station_name].")
 	else
-		msg += "\t[span_info("Certified mail for [GLOB.station_name].")]"
-	msg += "\t[span_info("Distribute by hand or via destination tagger using the certified NT disposal system.")]"
-	return msg
+		. += span_info("This is a dead letter mail with no recipient.")
+	. += span_info("Distribute by hand or via destination tagger using the certified NT disposal system.")
 
 /// Accepts a mind to initialize goodies for a piece of mail.
 /obj/item/mail/proc/initialize_for_recipient(datum/mind/recipient)
@@ -251,6 +255,8 @@
 	lid_x = -26
 	lid_y = 2
 	paint_jobs = null
+	///if it'll show the nt mark on the crate
+	var/postmarked = TRUE
 
 /obj/structure/closet/crate/mail/update_icon_state()
 	. = ..()
@@ -261,6 +267,11 @@
 	else
 		icon_state = "[base_icon_state]sealed"
 
+/obj/structure/closet/crate/mail/update_overlays()
+	. = ..()
+	if(postmarked)
+		. += "mail_nt"
+
 /// Fills this mail crate with N pieces of mail, where N is the lower of the amount var passed, and the maximum capacity of this crate. If N is larger than the number of alive human players, the excess will be junkmail.
 /obj/structure/closet/crate/mail/proc/populate(amount)
 	var/mail_count = min(amount, storage_capacity)
@@ -306,6 +317,19 @@
 	. = ..()
 	populate(INFINITY)
 
+///Used in the mail strike shuttle loan event
+/obj/structure/closet/crate/mail/full/mail_strike
+	desc = "A post crate from somewhere else. It has no NT logo on it."
+	postmarked = FALSE
+
+/obj/structure/closet/crate/mail/full/mail_strike/populate(amount)
+	var/strike_mail_to_spawn = rand(1, storage_capacity-1)
+	for(var/i in 1 to strike_mail_to_spawn)
+		if(prob(95))
+			new /obj/item/mail/mail_strike(src)
+		else
+			new /obj/item/mail/traitor/mail_strike(src)
+	return ..(storage_capacity - strike_mail_to_spawn)
 
 /// Opened mail crate
 /obj/structure/closet/crate/mail/preopen
@@ -383,7 +407,8 @@
 	playsound(loc, 'sound/items/poster_ripped.ogg', vol = 50, vary = TRUE)
 	for(var/obj/item/stuff as anything in contents) // Mail and envelope actually can have more than 1 item.
 		if(user.put_in_hands(stuff) && armed)
-			log_bomber(user, "opened armed mail made by [made_by_cached_name] ([made_by_cached_ckey]), activating", stuff)
+			var/whomst = made_by_cached_name ? "[made_by_cached_name] ([made_by_cached_ckey])" : "no one in particular"
+			log_bomber(user, "opened armed mail made by [whomst], activating", stuff)
 			INVOKE_ASYNC(stuff, TYPE_PROC_REF(/obj/item, attack_self), user)
 	qdel(src)
 	return TRUE
@@ -414,6 +439,55 @@
 			after_unwrap(user)
 			return TRUE
 
+///Generic mail used in the mail strike shuttle loan event
+/obj/item/mail/mail_strike
+	name = "dead mail"
+	desc = "An unmarked parcel of unknown origins, effectively undeliverable."
+	postmarked = FALSE
+	generic_goodies = list(
+		/obj/effect/spawner/random/entertainment/money_medium = 2,
+		/obj/effect/spawner/random/contraband = 2,
+		/obj/effect/spawner/random/entertainment/money_large = 1,
+		/obj/effect/spawner/random/entertainment/coin = 1,
+		/obj/effect/spawner/random/food_or_drink/any_snack_or_beverage = 1,
+		/obj/effect/spawner/random/entertainment/drugs = 1,
+		/obj/effect/spawner/random/contraband/grenades = 1,
+	)
+
+/obj/item/mail/mail_strike/Initialize(mapload)
+	if(prob(35))
+		stamped = FALSE
+	if(prob(35))
+		name = "dead envelope"
+		icon_state = "mail_large"
+		goodie_count = 2
+		stamp_max = 2
+		stamp_offset_y = 5
+	. = ..()
+	color = pick(COLOR_SILVER, COLOR_DARK, COLOR_DRIED_TAN, COLOR_ORANGE_BROWN, COLOR_BROWN, COLOR_SYNDIE_RED)
+	for(var/goodie in 1 to goodie_count)
+		var/target_good = pick_weight(generic_goodies)
+		new target_good(src)
+
+///Also found in the mail strike shuttle loan. It contains a random grenade that'll be triggered when unwrapped
+/obj/item/mail/traitor/mail_strike
+	name = "dead mail"
+	desc = "An unmarked parcel of unknown origins, effectively undeliverable."
+	postmarked = FALSE
+
+/obj/item/mail/traitor/mail_strike/Initialize(mapload)
+	if(prob(35))
+		stamped = FALSE
+	if(prob(35))
+		name = "dead envelope"
+		icon_state = "mail_large"
+		goodie_count = 2
+		stamp_max = 2
+		stamp_offset_y = 5
+	. = ..()
+	color = pick(COLOR_SILVER, COLOR_DARK, COLOR_DRIED_TAN, COLOR_ORANGE_BROWN, COLOR_BROWN, COLOR_SYNDIE_RED)
+	new /obj/effect/spawner/random/contraband/grenades/dangerous(src)
+
 /obj/item/storage/mail_counterfeit_device
 	name = "GLA-2 mail counterfeit device"
 	desc = "Device that actually able to counterfeit NT's mail. This device also able to place a trap inside of mail for malicious actions. Trap will \"activate\" any item inside of mail. Also it might be used for contraband purposes. Integrated micro-computer will give you great configuration optionality for your needs."

code/game/turfs/closed/walls.dm

@@ -1,4 +1,3 @@
-#define MAX_DENT_DECALS 15
 #define LEANING_OFFSET 11
 
 /turf/closed/wall
@@ -387,5 +386,4 @@
 	. = ..()
 	SEND_SIGNAL(gone, COMSIG_LIVING_WALL_EXITED, src)
 
-#undef MAX_DENT_DECALS
 #undef LEANING_OFFSET

code/modules/events/shuttle_loan/shuttle_loan_datum.dm

@@ -7,7 +7,7 @@
 	/// What the shuttle says about it.
 	var/shuttle_transit_text = "Unset transit text"
 	/// Supply points earned for taking the deal.
-	var/bonus_points = 10000
+	var/bonus_points = CARGO_CRATE_VALUE * 50
 	/// Response for taking the deal.
 	var/thanks_msg = "The cargo shuttle should return in five minutes. Have some supply points for your trouble."
 	/// Small description of the loan for easier log reading.
@@ -21,7 +21,7 @@
 		bonus_points *= 1.15
 
 /// Spawns paths added to `spawn_list`, and passes empty shuttle turfs so you can spawn more complicated things like dead bodies.
-/datum/shuttle_loan_situation/proc/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/proc/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	SHOULD_CALL_PARENT(FALSE)
 	CRASH("Unimplemented get_spawned_items() on [src.type].")
 
@@ -31,7 +31,7 @@
 	shuttle_transit_text = "Virus samples incoming."
 	logging_desc = "Virus shuttle"
 
-/datum/shuttle_loan_situation/antidote/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/antidote/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/obj/effect/mob_spawn/corpse/human/assistant/infected_assistant = pick(list(
 		/obj/effect/mob_spawn/corpse/human/assistant/beesease_infection,
 		/obj/effect/mob_spawn/corpse/human/assistant/brainrot_infection,
@@ -58,7 +58,7 @@
 	bonus_points = 0
 	logging_desc = "Resupply packages"
 
-/datum/shuttle_loan_situation/department_resupply/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/department_resupply/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/list/crate_types = list(
 		/datum/supply_pack/emergency/equipment,
 		/datum/supply_pack/security/supplies,
@@ -84,7 +84,7 @@
 	shuttle_transit_text = "Syndicate hijack team incoming."
 	logging_desc = "Syndicate boarding party"
 
-/datum/shuttle_loan_situation/syndiehijacking/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/syndiehijacking/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/datum/supply_pack/pack = SSshuttle.supply_packs[/datum/supply_pack/imports/specialops]
 	pack.generate(pick_n_take(empty_shuttle_turfs))
 
@@ -99,10 +99,10 @@
 	sender = "CentCom Janitorial Division"
 	announcement_text = "One of our freighters carrying a bee shipment has been attacked by eco-terrorists. Can you clean up the mess for us?"
 	shuttle_transit_text = "Biohazard cleanup incoming."
-	bonus_points = 20000 //Toxin bees can be unbeelievably lethal
+	bonus_points = CARGO_CRATE_VALUE * 100 //Toxin bees can be unbeelievably lethal
 	logging_desc = "Shuttle full of bees"
 
-/datum/shuttle_loan_situation/lots_of_bees/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/lots_of_bees/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/datum/supply_pack/pack = SSshuttle.supply_packs[/datum/supply_pack/organic/hydroponics/beekeeping_fullkit]
 	pack.generate(pick_n_take(empty_shuttle_turfs))
 
@@ -135,10 +135,10 @@
 	announcement_text = "We have discovered an active Syndicate bomb near our VIP shuttle's fuel lines. If you feel up to the task, we will pay you for defusing it."
 	shuttle_transit_text = "Live explosive ordnance incoming. Exercise extreme caution."
 	thanks_msg = "Live explosive ordnance incoming via supply shuttle. Evacuating cargo bay is recommended."
-	bonus_points = 45000 //If you mess up, people die and the shuttle gets turned into swiss cheese
+	bonus_points = CARGO_CRATE_VALUE * 225 //If you mess up, people die and the shuttle gets turned into swiss cheese
 	logging_desc = "Shuttle with a ticking bomb"
 
-/datum/shuttle_loan_situation/jc_a_bomb/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/jc_a_bomb/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	spawn_list.Add(/obj/machinery/syndicatebomb/shuttle_loan)
 	if(prob(95))
 		spawn_list.Add(/obj/item/paper/fluff/cargo/bomb)
@@ -153,7 +153,7 @@
 	bonus_points = 0 //Payout is made when the stamped papers are returned
 	logging_desc = "Paperwork shipment"
 
-/datum/shuttle_loan_situation/papers_please/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/papers_please/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	spawn_list += subtypesof(/obj/item/paperwork) - typesof(/obj/item/paperwork/photocopy) - typesof(/obj/item/paperwork/ancient)
 
 /datum/shuttle_loan_situation/pizza_delivery
@@ -164,8 +164,8 @@
 	bonus_points = 0
 	logging_desc = "Pizza delivery"
 
-/datum/shuttle_loan_situation/pizza_delivery/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
-	var/naughtypizza = list(/obj/item/pizzabox/bomb /*/obj/item/pizzabox/margherita/robo*/) // SKYRAT EDIT: oh look another blacklist, for pizza nonetheless! removes borg pizza
+/datum/shuttle_loan_situation/pizza_delivery/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
+	var/naughtypizza = list(/obj/item/pizzabox/bomb, /obj/item/pizzabox/margherita/robo) //oh look another blacklist, for pizza nonetheless!
 	var/nicepizza = list(/obj/item/pizzabox/margherita, /obj/item/pizzabox/meat, /obj/item/pizzabox/vegetable, /obj/item/pizzabox/mushroom)
 	for(var/i in 1 to 6)
 		spawn_list.Add(pick(prob(5) ? naughtypizza : nicepizza))
@@ -176,7 +176,7 @@
 	shuttle_transit_text = "Partying Russians incoming."
 	logging_desc = "Russian party squad"
 
-/datum/shuttle_loan_situation/russian_party/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/russian_party/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/datum/supply_pack/pack = SSshuttle.supply_packs[/datum/supply_pack/service/party]
 	pack.generate(pick_n_take(empty_shuttle_turfs))
 
@@ -194,7 +194,7 @@
 	shuttle_transit_text = "Spider Clan gift incoming."
 	logging_desc = "Shuttle full of spiders"
 
-/datum/shuttle_loan_situation/spider_gift/spawn_items(list/spawn_list, list/empty_shuttle_turfs)
+/datum/shuttle_loan_situation/spider_gift/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
 	var/datum/supply_pack/pack = SSshuttle.supply_packs[/datum/supply_pack/imports/specialops]
 	pack.generate(pick_n_take(empty_shuttle_turfs))
 
@@ -213,3 +213,82 @@
 	for(var/i in 1 to 5)
 		var/turf/web_turf = pick_n_take(empty_shuttle_turfs)
 		new /obj/structure/spider/stickyweb(web_turf)
+
+#define DENT_WALL "dent"
+#define CHANGE_WALL "change"
+#define DISMANTLE_WALL "dismantle"
+
+#define BREAK_TILE "break"
+#define PLATING_TILE "plating"
+#define RUST_TILE "rust"
+
+/**
+ * A special shuttle loan situation enabled by the 'mail blocked' station trait.
+ * It sends back a lot of mail to the station, at the cost of wrecking the cargo shuttle a little.
+ */
+/datum/shuttle_loan_situation/mail_strike
+	sender = "Spinward Mail Workers Union"
+	announcement_text = "The Mail Workers Union wants to borrow your cargo shuttle to employ \"advanced union strike tactics\" with. Payment is strictly in mails."
+	bonus_points = 0
+	thanks_msg = "The cargo shuttle should return in five minutes."
+	shuttle_transit_text = "Nothing stops the mail."
+	logging_desc = "Shuttle full of shady mail"
+
+/datum/shuttle_loan_situation/mail_strike/spawn_items(list/spawn_list, list/empty_shuttle_turfs, list/blocked_shutte_turfs)
+	for(var/i in 1 to rand(7, 12))
+		var/turf/closed/wall/wall = pick_n_take(blocked_shutte_turfs)
+		if(!istype(wall))
+			continue
+		var/static/list/wall_bad_stuff = list(DENT_WALL = 85, CHANGE_WALL = 13, DISMANTLE_WALL = 2)
+		var/static/list/possible_new_walls = list(
+			/turf/closed/wall/mineral/sandstone,
+			/turf/closed/wall/mineral/wood,
+			/turf/closed/wall/mineral/iron,
+			/turf/closed/wall/metal_foam_base,
+			/turf/closed/wall/r_wall,
+		)
+		var/damage_done = pick_weight(wall_bad_stuff)
+		switch(damage_done)
+			if(DENT_WALL)
+				for(var/dent in 1 to rand(1, MAX_DENT_DECALS))
+					wall.add_dent(prob(90) ? WALL_DENT_SHOT : WALL_DENT_HIT)
+			if(CHANGE_WALL)
+				wall.ChangeTurf(pick(possible_new_walls - wall.type))
+				if(prob(25))
+					for(var/dent in 1 to rand(1, MAX_DENT_DECALS))
+						wall.add_dent(prob(90) ? WALL_DENT_SHOT : WALL_DENT_HIT)
+			if(DISMANTLE_WALL)
+				wall.dismantle_wall()
+
+	for(var/i in 1 to rand(7, 12))
+		var/turf/open/floor/floor = pick_n_take(empty_shuttle_turfs)
+		if(!istype(floor))
+			continue
+		var/static/list/floor_bad_stuff = list(BREAK_TILE = 65, PLATING_TILE = 25, RUST_TILE = 10)
+		var/damage_done = pick_weight(floor_bad_stuff)
+		switch(damage_done)
+			if(BREAK_TILE)
+				if(prob(50))
+					floor.break_tile()
+				else
+					floor.burn_tile()
+			if(PLATING_TILE)
+				if(prob(25))
+					floor.remove_tile()
+				else
+					floor.make_plating()
+			if(RUST_TILE)
+				floor.ChangeTurf(/turf/open/floor/plating/rust)
+	if(prob(25))
+		spawn_list += pick(/obj/effect/gibspawner/robot, /obj/effect/gibspawner/human)
+
+	for(var/i in 1 to rand(4, 7))
+		spawn_list += /obj/structure/closet/crate/mail/full/mail_strike
+
+#undef BREAK_TILE
+#undef PLATING_TILE
+#undef RUST_TILE
+
+#undef DENT_WALL
+#undef CHANGE_WALL
+#undef DISMANTLE_WALL

code/modules/events/shuttle_loan/shuttle_loan_event.dm

@@ -8,7 +8,8 @@
 	description = "If cargo accepts the offer, fills the shuttle with loot and/or enemies."
 	///The types of loan events already run (and to be excluded if the event triggers).
 	admin_setup = list(/datum/event_admin_setup/listed_options/shuttle_loan)
-	var/list/run_situations = list()
+	///A list of normally unavailable (or already run) situations datums
+	var/list/unavailable_situations = list(/datum/shuttle_loan_situation/mail_strike)
 
 /datum/round_event_control/shuttle_loan/can_spawn_event(players_amt, allow_magic = FALSE)
 	. = ..()
@@ -28,14 +29,14 @@
 	var/datum/round_event_control/shuttle_loan/loan_control = control
 	//by this point if situation is admin picked, it is a type, not an instance.
 	if(!situation)
-		var/list/valid_situations = subtypesof(/datum/shuttle_loan_situation) - loan_control.run_situations
+		var/list/valid_situations = subtypesof(/datum/shuttle_loan_situation) - loan_control.unavailable_situations
 		if(!valid_situations.len)
 			//If we somehow run out of loans (fking campbell), they all become available again
-			loan_control.run_situations.Cut()
+			loan_control.unavailable_situations.Cut()
 			valid_situations = subtypesof(/datum/shuttle_loan_situation)
 		situation = pick(valid_situations)
 
-	loan_control.run_situations.Add(situation)
+	loan_control.unavailable_situations.Add(situation)
 	situation = new situation()
 
 /datum/round_event/shuttle_loan/announce(fake)
@@ -76,10 +77,12 @@
 
 	//get empty turfs
 	var/list/empty_shuttle_turfs = list()
+	var/list/blocked_shutte_turfs = list()
 	var/list/area/shuttle/shuttle_areas = SSshuttle.supply.shuttle_areas
 	for(var/area/shuttle/shuttle_area as anything in shuttle_areas)
 		for(var/turf/open/floor/shuttle_turf in shuttle_area)
 			if(shuttle_turf.is_blocked_turf())
+				blocked_shutte_turfs += shuttle_turf
 				continue
 			empty_shuttle_turfs += shuttle_turf
 	if(!empty_shuttle_turfs.len)
@@ -87,7 +90,7 @@
 
 	//let the situation spawn its items
 	var/list/spawn_list = list()
-	situation.spawn_items(spawn_list, empty_shuttle_turfs)
+	situation.spawn_items(spawn_list, empty_shuttle_turfs, blocked_shutte_turfs)
 
 	var/false_positive = 0
 	while(spawn_list.len && empty_shuttle_turfs.len)
@@ -103,7 +106,7 @@
 
 /datum/event_admin_setup/listed_options/shuttle_loan/get_list()
 	var/datum/round_event_control/shuttle_loan/loan_event = event_control
-	var/list/valid_situations = subtypesof(/datum/shuttle_loan_situation) - loan_event.run_situations
+	var/list/valid_situations = subtypesof(/datum/shuttle_loan_situation) - loan_event.unavailable_situations
 	return valid_situations
 
 /datum/event_admin_setup/listed_options/shuttle_loan/apply_to_event(datum/round_event/shuttle_loan/event)