Changelings now get an option to be revived by defibrillator when faking death (#25623)

* wow

* forgot to push

* oops

* lewc review

code/modules/antagonists/changeling/changeling_power.dm

@@ -24,7 +24,7 @@
 	var/req_stat = CONSCIOUS
 	/// If this power is active or not. Used for toggleable abilities.
 	var/active = FALSE
-	/// If this power can be used while the changeling has the `TRAIT_FAKE_DEATH` trait.
+	/// If this power can be used while the changeling has the `TRAIT_FAKEDEATH` trait.
 	var/bypass_fake_death = FALSE
 
 /*

code/modules/antagonists/changeling/datum_changeling.dm

@@ -277,6 +277,22 @@ RESTRICT_TYPE(/datum/antagonist/changeling)
 	acquired_powers += power
 	power.on_purchase(changeling || owner.current, src)
 
+/**
+ * Removes all `power_type` abilities that the changeling has. Refunds the cost of the power from our genetic points.
+ *
+ * Arugments:
+ * * datum/action/changeling/power - the typepath power to remove from the changeling.
+ * * refund_cost - if we should refund genetic points when giving the power
+ */
+/datum/antagonist/changeling/proc/remove_specific_power(datum/action/changeling/power_type, refund_cost = TRUE)
+	for(var/datum/action/changeling/power in acquired_powers)
+		if(!istype(power, power_type))
+			continue
+		if(refund_cost)
+			genetic_points -= power.dna_cost
+		acquired_powers -= power
+		qdel(power)
+
 /**
  * Store the languages from the `new_languages` list into the `absorbed_languages` list. Teaches the changeling the new languages.
  *

code/modules/antagonists/changeling/powers/fakedeath.dm

@@ -18,11 +18,14 @@
 	user.updatehealth("fakedeath sting")
 	cling.regenerating = TRUE
 
+	cling.remove_specific_power(/datum/action/changeling/revive)
 	addtimer(CALLBACK(src, PROC_REF(ready_to_regenerate), user), CHANGELING_FAKEDEATH_TIME)
 	SSblackbox.record_feedback("nested tally", "changeling_powers", 1, list("[name]"))
 	return TRUE
 
 /datum/action/changeling/fakedeath/proc/ready_to_regenerate(mob/user)
+	if(!HAS_TRAIT_FROM(user, TRAIT_FAKEDEATH, CHANGELING_TRAIT))
+		return
 	if(!QDELETED(user) && user.mind && cling?.acquired_powers)
 		to_chat(user, "<span class='notice'>We are ready to regenerate.</span>")
 		cling.give_power(new /datum/action/changeling/revive)

code/modules/antagonists/changeling/powers/revive.dm

@@ -11,6 +11,10 @@
 	if(HAS_TRAIT(user, TRAIT_UNREVIVABLE))
 		to_chat(user, "<span class='notice'>Something is preventing us from regenerating, we will need to revive at another point.</span>")
 		return FALSE
+	if(!HAS_TRAIT_FROM(user, TRAIT_FAKEDEATH, CHANGELING_TRAIT))
+		cling.acquired_powers -= src
+		Remove(user)
+		return
 	REMOVE_TRAIT(user, TRAIT_FAKEDEATH, CHANGELING_TRAIT)
 	for(var/obj/item/grab/G in user.grabbed_by)
 		var/mob/living/carbon/M = G.assailant