[EE] Adds a new medium midround event: Irradiated mouse (#31947)

* added irradiated mouse

* mouse pulling buff

* adds upgrade spells

* cooldown on upgrades

* icons and cats

* radioactive sludge, health decrease, upgrades counter

* objectives and sound

* spells to new file + check if alive in life

* afterimage

* description fix, contaminate, comments

* lintma?

* removed empty lines, , -> :, new -> new()

---------

Signed-off-by: Christer2222 <25958019+Christer2222@users.noreply.github.com>

code/modules/client/preference/preferences.dm

@@ -4,6 +4,7 @@ GLOBAL_LIST_INIT(special_role_times, list(
 	ROLE_GOLEM = 0,
 	ROLE_PAI = 0,
 	ROLE_GUARDIAN = 0,
+	ROLE_IRRADIATED_MOUSE = 7,
 	ROLE_TRAITOR = 7,
 	ROLE_CHANGELING = 14,
 	ROLE_WIZARD = 14,

code/modules/events/event_container.dm

@@ -201,6 +201,7 @@ GLOBAL_LIST_EMPTY(event_last_fired)
 		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),
+		new /datum/event_meta(EVENT_LEVEL_MODERATE, /datum/event/spawn_irradiated_mouse, 20),
 	)
 
 /datum/event_container/major

code/modules/mob/living/basic/friendly/mouse.dm

@@ -125,10 +125,10 @@
 	cable.deconstruct()
 
 /mob/living/basic/mouse/start_pulling(atom/movable/AM, state, force = pull_force, show_message = FALSE)// Prevents mouse from pulling things
-	if(istype(AM, /obj/item/food/sliced/cheesewedge))
+	if(istype(AM, /obj/item/food/sliced/cheesewedge) || istype(AM, /mob/living/basic/mouse))
 		return ..() // Get dem
 	if(show_message)
-		to_chat(src, SPAN_WARNING("You are too small to pull anything except cheese."))
+		to_chat(src, SPAN_WARNING("You are too small to pull anything except cheese and other mice."))
 	return
 
 /mob/living/basic/mouse/proc/on_atom_entered(datum/source, atom/movable/entered)

code/modules/mob/living/simple_animal/friendly/cat.dm

@@ -140,14 +140,23 @@
 	//MICE!
 	if(eats_mice && isturf(loc) && !incapacitated())
 		for(var/mob/living/basic/mouse/M in view(1, src))
-			if(!M.stat && Adjacent(M))
-				custom_emote(EMOTE_VISIBLE, "splats \the [M]!")
-				M.death()
-				M.splat()
-				movement_target = null
-				walk(src, 0)
-				stop_automated_movement = FALSE
-				break
+			if(M.stat == DEAD || !Adjacent(M))
+				continue
+
+			if(istype(M, /mob/living/basic/mouse/irradiated_mouse))
+				if(prob(50))
+					death()
+					return
+				else
+					name = "Schrödinger's [name]"
+
+			custom_emote(EMOTE_VISIBLE, "splats \the [M]!")
+			M.death()
+			M.splat()
+			movement_target = null
+			walk(src, 0)
+			stop_automated_movement = FALSE
+			break
 		for(var/obj/item/toy/cattoy/T in view(1, src))
 			if(T.cooldown < (world.time - 400))
 				custom_emote(EMOTE_VISIBLE, "bats \the [T] around with its paw!")