[MIRROR] Lavaland ash storms once again replenish ash on the ground. [MDB IGNORE] (#9639)

* Lavaland ash storms once again replenish ash on the ground. (#62954)

* Lavaland ash storms once again replenish ash on the ground.

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

code/datums/weather/weather_types/ash_storm.dm

@@ -72,6 +72,17 @@
 /datum/weather/ash_storm/weather_act(mob/living/victim)
 	victim.adjustFireLoss(4)
 
+/datum/weather/ash_storm/end()
+	. = ..()
+	for(var/turf/open/floor/plating/asteroid/basalt/basalt as anything in GLOB.dug_up_basalt)
+		if(!(basalt.loc in impacted_areas) || !(basalt.z in impacted_z_levels))
+			continue
+		GLOB.dug_up_basalt -= basalt
+		basalt.dug = FALSE
+		basalt.icon_state = "[basalt.base_icon_state]"
+		if(prob(basalt.floor_variance))
+			basalt.icon_state += "[rand(0,12)]"
+
 //Emberfalls are the result of an ash storm passing by close to the playable area of lavaland. They have a 10% chance to trigger in place of an ash storm.
 /datum/weather/ash_storm/emberfall
 	name = "emberfall"

code/game/turfs/open/floor/plating/asteroid.dm

@@ -20,9 +20,7 @@
 	/// Itemstack to drop when dug by a shovel
 	var/obj/item/stack/digResult = /obj/item/stack/ore/glass/basalt
 	/// Whether the turf has been dug or not
-	var/dug
-	/// Whether to change the turf's icon_state to "[base_icon_state]_dug" when its dugged up
-	var/postdig_icon_change = TRUE
+	var/dug = FALSE
 
 /turf/open/floor/plating/asteroid/setup_broken_states()
 	return list("asteroid_dug")
@@ -38,8 +36,7 @@
 /turf/open/floor/plating/asteroid/proc/getDug()
 	dug = TRUE
 	new digResult(src, 5)
-	if(postdig_icon_change)
-		icon_state = "[base_icon_state]_dug"
+	icon_state = "[base_icon_state]_dug"
 
 /// If the user can dig the turf
 /turf/open/floor/plating/asteroid/proc/can_dig(mob/user)
@@ -93,6 +90,9 @@
 /turf/open/floor/plating/lavaland_baseturf
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 
+/// Used by ashstorms to replenish basalt tiles that have been dug up without going through all of them.
+GLOBAL_LIST_EMPTY(dug_up_basalt)
+
 /turf/open/floor/plating/asteroid/basalt
 	name = "volcanic floor"
 	baseturfs = /turf/open/floor/plating/asteroid/basalt
@@ -102,6 +102,15 @@
 	floor_variance = 15
 	digResult = /obj/item/stack/ore/glass/basalt
 
+/turf/open/floor/plating/asteroid/basalt/getDug()
+	set_light(0)
+	GLOB.dug_up_basalt |= src
+	return ..()
+
+/turf/open/floor/plating/asteroid/basalt/Destroy()
+	GLOB.dug_up_basalt -= src
+	return ..()
+
 /turf/open/floor/plating/asteroid/basalt/setup_broken_states()
 	return list("basalt_dug")
 
@@ -115,10 +124,6 @@
 	. = ..()
 	set_basalt_light(src)
 
-/turf/open/floor/plating/asteroid/getDug()
-	set_light(0)
-	return ..()
-
 /proc/set_basalt_light(turf/open/floor/B)
 	switch(B.icon_state)
 		if("basalt1", "basalt2", "basalt3")