[EE] Adds Market Crash Event (#31870)

* Adds Market Crash Event

* Typo

* Bees

Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Signed-off-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>

---------

Signed-off-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>
Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>

code/game/machinery/vendors/vending.dm

@@ -337,7 +337,7 @@
  *  products that the vending machine is to carry without manually populating
  *  src.product_records.
  */
-/obj/machinery/economy/vending/proc/build_inventory(list/productlist, list/recordlist, start_empty = FALSE)
+/obj/machinery/economy/vending/proc/build_inventory(list/productlist, list/recordlist, start_empty = FALSE, price_mult = 1)
 	for(var/typepath in productlist)
 		var/amount = productlist[typepath]
 		if(isnull(amount))
@@ -350,7 +350,7 @@
 		if(!start_empty)
 			R.amount = amount
 		R.max_amount = amount
-		R.price = (typepath in prices) ? prices[typepath] : 0
+		R.price = (typepath in prices) ? (prices[typepath] * price_mult) : 0
 		recordlist += R
 /**
   * Refill a vending machine from a refill canister

code/modules/events/event_container.dm

@@ -198,6 +198,7 @@ GLOBAL_LIST_EMPTY(event_last_fired)
 		new /datum/event_meta(EVENT_LEVEL_MODERATE,	/datum/event/tourist_arrivals, 40, TRUE, _first_run_time = 35 MINUTES),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE,	/datum/event/shuttle_loan, 50, is_one_shot = TRUE),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE, /datum/event/anomalous_particulate_event, 60, is_one_shot = TRUE),
+		new /datum/event_meta(EVENT_LEVEL_MODERATE, /datum/event/market_crash, 20),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE, /datum/event/cargo_pods, 50),
 		new /datum/event_meta(EVENT_LEVEL_MODERATE,	/datum/event/spawn_floor_cluwne, 3),
 	)

code/modules/events/false_alarm.dm

@@ -23,7 +23,7 @@
 		/datum/event/tear,
 		/datum/event/tear/honk,
 		/datum/event/traders,
-		/datum/event/vent_clog,
+		/datum/event/market_crash,
 		/datum/event/disease_outbreak,
 		/datum/event/vent_clog,
 		/datum/event/disposals_clog,

code/modules/events/market_crash.dm

@@ -0,0 +1,39 @@
+/datum/event/market_crash
+	name = "Market Crash"
+	nominal_severity = EVENT_LEVEL_MODERATE
+	endWhen = 300
+	/// Vendor price multiplier
+	var/price_mult = 3
+
+/datum/event/market_crash/announce(false_alarm)
+	var/list/possible_reasons = list(
+		"supply chain shortages",
+		"[syndicate_name()] operatives attacking a shipment",
+		"space wizard interference",
+		"bluespace traffic",
+		"gravitational anomalies",
+		"extended trade routes",
+		"market speculation",
+		"vox",
+		"a clown college graduation party",
+		"a Trans-Solar Federation investigation",
+		"too many credits being invested in WetSkrell.nt",
+		"an overabundance of bees",
+	)
+
+	GLOB.minor_announcement.Announce("Due to [pick(possible_reasons)], prices for on-station vendors will be increased for a short period. We apologize for the inconvenience.", "Central Command Finance Division")
+
+/datum/event/market_crash/start()
+	for(var/obj/machinery/economy/vending/vendor in SSmachines.get_by_type(/obj/machinery/economy/vending))
+		if(!is_station_level(vendor.z))
+			continue
+		vendor.build_inventory(vendor.products, vendor.product_records, FALSE, price_mult)
+		vendor.build_inventory(vendor.contraband, vendor.hidden_records, FALSE, price_mult)
+	addtimer(CALLBACK(src, PROC_REF(reset_prices)), rand(5 MINUTES, 10 MINUTES))
+
+/datum/event/market_crash/proc/reset_prices()
+	for(var/obj/machinery/economy/vending/vendor in SSmachines.get_by_type(/obj/machinery/economy/vending))
+		if(!is_station_level(vendor.z))
+			continue
+		vendor.build_inventory(vendor.products, vendor.product_records, FALSE, 1)
+		vendor.build_inventory(vendor.contraband, vendor.hidden_records, FALSE, 1)

paradise.dme

@@ -2278,6 +2278,7 @@
 #include "code\modules\events\infestation.dm"
 #include "code\modules\events\ion_storm.dm"
 #include "code\modules\events\koi_mirgration.dm"
+#include "code\modules\events\market_crash.dm"
 #include "code\modules\events\mass_hallucination.dm"
 #include "code\modules\events\meaty_gore.dm"
 #include "code\modules\events\meaty_ores.dm"