Adds Fix Air verb for admins (#45916)

code/modules/admin/admin_verbs.dm

@@ -18,7 +18,8 @@ GLOBAL_PROTECT(admin_verbs_default)
 	/client/proc/cmd_admin_pm_context,	/*right-click adminPM interface*/
 	/client/proc/cmd_admin_pm_panel,		/*admin-pm list*/
 	/client/proc/stop_sounds,
-	/client/proc/mark_datum_mapview
+	/client/proc/mark_datum_mapview,
+	/client/proc/fix_air				/*resets air in designated radius to its default atmos composition*/
 	)
 GLOBAL_LIST_INIT(admin_verbs_admin, world.AVerbsAdmin())
 GLOBAL_PROTECT(admin_verbs_admin)

code/modules/admin/verbs/fix_air.dm

@@ -0,0 +1,21 @@
+// Proc taken from yogstation, credit to nichlas0010 for the original
+/client/proc/fix_air(var/turf/open/T in world)
+	set name = "Fix Air"
+	set category = "Admin"
+	set desc = "Fixes air in specified radius."
+
+	if(!holder)
+		to_chat(src, "Only administrators may use this command.")
+		return
+	if(check_rights(R_ADMIN,1))
+		var/range=input("Enter range:","Num",2) as num
+		message_admins("[key_name_admin(usr)] fixed air with range [range] in area [T.loc.name]")
+		log_game("[key_name_admin(usr)] fixed air with range [range] in area [T.loc.name]")
+		var/datum/gas_mixture/GM = new
+		for(var/turf/open/F in range(range,T))
+			if(F.blocks_air)
+			//skip walls
+				continue
+			GM.parse_gas_string(F.initial_gas_mix)
+			F.copy_air(GM)
+			F.update_visuals()