Ashwalker Update (#15466)

* Ashwalker Update

* Update generic_positive_events.dm

* Update ashwalker.dm

* fixing newlines

* Update code/modules/antagonists/_common/antag_datum.dm

Co-authored-by: Putnam3145 <putnam3145@gmail.com>

* literally 1984

* unlimiting spawns

* Create antag_datum.dm.bak

* Revert "Create antag_datum.dm.bak"

This reverts commit d91e1f4c4d9c86bc4a275ef19f45e8927dd93cae.

Co-authored-by: Putnam3145 <putnam3145@gmail.com>

code/modules/awaymissions/corpse.dm

@@ -33,6 +33,10 @@
 	var/ghost_usable = TRUE
 	var/skip_reentry_check = FALSE //Skips the ghost role blacklist time for people who ghost/suicide/cryo
 
+///override this to add special spawn conditions to a ghost role
+/obj/effect/mob_spawn/proc/allow_spawn(mob/user, silent = FALSE)
+	return TRUE
+	
 //ATTACK GHOST IGNORING PARENT RETURN VALUE
 /obj/effect/mob_spawn/attack_ghost(mob/user, latejoinercalling)
 	if(!SSticker.HasRoundStarted() || !loc || !ghost_usable)
@@ -43,6 +47,8 @@
 	if(jobban_isbanned(user, banType))
 		to_chat(user, "<span class='warning'>You are jobanned!</span>")
 		return
+	if(!allow_spawn(user, silent = FALSE))
+		return
 	if(QDELETED(src) || QDELETED(user))
 		return
 	if(isobserver(user))