From 30b434d99798d25dc69e812e27365c286166b5bc Mon Sep 17 00:00:00 2001
From: Fox-McCloud <Fox_P_McCloud@hotmail.com>
Date: Tue, 21 Jul 2015 22:39:53 -0400
Subject: [PATCH] Changeling Bodyswap Ability

---
 .../gamemodes/changeling/powers/absorb.dm     | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/code/game/gamemodes/changeling/powers/absorb.dm b/code/game/gamemodes/changeling/powers/absorb.dm
index 115a5ae59d2..384102d814c 100644
--- a/code/game/gamemodes/changeling/powers/absorb.dm
+++ b/code/game/gamemodes/changeling/powers/absorb.dm
@@ -105,3 +105,59 @@
 			protected_dna |= new_dna
 			return
 	absorbed_dna |= new_dna
+
+
+/obj/effect/proc_holder/changeling/swap_form
+	name = "Swap Forms"
+	desc = "We force ourselves into the body of another form, pushing their consciousness into the form we left behind."
+	helptext = "We will bring all our abilities with us, but we will lose our old form DNA in exchange for the new one. The process will seem suspicious to any observers."
+	chemical_cost = 40
+	dna_cost = 2
+	req_human = 1 //Monkeys can't grab
+	genetic_damage = 50
+
+/obj/effect/proc_holder/changeling/swap_form/can_sting(var/mob/living/carbon/user)
+	if(!..())
+		return
+	var/obj/item/weapon/grab/G = user.get_active_hand()
+	if(!istype(G) || (G.state < GRAB_AGGRESSIVE))
+		user << "<span class='warning'>We must have an aggressive grab on creature in our active hand to do this!</span>"
+		return
+	var/mob/living/carbon/human/target = G.affecting
+	if((NOCLONE || SKELETON || HUSK) in target.mutations)
+		user << "<span class='warning'>DNA of [target] is ruined beyond usability!</span>"
+		return
+	if(!istype(target) || issmall(target) || target.species.flags & IS_SYNTHETIC || target.species.flags & NO_SCAN || target.species.flags & NO_BLOOD)
+		user << "<span class='warning'>[target] is not compatible with this ability.</span>"
+		return
+	return 1
+
+
+/obj/effect/proc_holder/changeling/swap_form/sting_action(var/mob/living/carbon/user)
+	var/obj/item/weapon/grab/G = user.get_active_hand()
+	var/mob/living/carbon/human/target = G.affecting
+	var/datum/changeling/changeling = user.mind.changeling
+
+	user << "<span class='notice'>We tighen our grip. We must hold still....</span>"
+	target.do_jitter_animation(500)
+	user.do_jitter_animation(500)
+
+	if(!do_mob(user,target,20))
+		user << "<span class='warning'>The body swap has been interrupted!</span>"
+		return
+
+	target << "<span class='userdanger'>[user] tightens their grip as a painful sensation invades your body.</span>"
+
+	if(!changeling.has_dna(target.dna))
+		changeling.absorb_dna(target, user)
+	changeling.protected_dna -= user.dna
+	changeling.absorbed_dna -= user.dna
+
+	var/mob/dead/observer/ghost = target.ghostize(0)
+	user.mind.transfer_to(target)
+	if(ghost && ghost.mind)
+		ghost.mind.transfer_to(user)
+		user.key = ghost.key
+
+	user.Paralyse(2)
+	target << "<span class='warning'>Our genes cry out as we swap our [user] form for [target].</span>"
\ No newline at end of file