Removes Shadowstep. replace it with 2 powers for each vampire type. (#18951)

* WIP

* shadow boxing

* garg + hemomancer

* dantalion and stuff

* oops

* some tweaks

* sprites, tweaks and TGUI

* ready for review

* review

* forgot some sean comments

* oops

* prevents people walking over shockwaves

* shadow boxing DPS down to 20

* oops

* affected review

code/datums/status_effects/buffs.dm

@@ -98,7 +98,7 @@
 /datum/status_effect/void_price/refresh()
 	price++
 	return ..()
-	
+
 /datum/status_effect/blooddrunk
 	id = "blooddrunk"
 	duration = 10
@@ -478,3 +478,60 @@
 	else
 		to_chat(owner, "<span class='cultitalic'>[pick(un_hopeful_messages)]</span>")
 
+/datum/status_effect/thrall_net
+	id = "thrall_net"
+	tick_interval = 2 SECONDS
+	duration = -1
+	alert_type = null
+	var/blood_cost_per_tick = 5
+	var/list/target_UIDs = list()
+	var/datum/antagonist/vampire/vamp
+
+/datum/status_effect/thrall_net/on_creation(mob/living/new_owner, datum/antagonist/vampire/V, ...)
+	. = ..()
+	vamp = V
+	START_PROCESSING(SSfastprocess, src)
+	target_UIDs += owner.UID()
+	var/list/view_cache = view(7, owner)
+	for(var/datum/mind/M in owner.mind.som.serv)
+		if(!M.has_antag_datum(/datum/antagonist/mindslave/thrall))
+			continue
+		if(!(M.current in view_cache))
+			continue
+		if(M.current.stat == DEAD)
+			continue
+		target_UIDs += M.current.UID()
+		M.current.Beam(owner, "sendbeam", time = 2 SECONDS, maxdistance = 7)
+
+/datum/status_effect/thrall_net/tick()
+	var/total_damage = 0
+	var/list/view_cache = view(7, owner)
+	for(var/uid in target_UIDs)
+		var/mob/living/L = locateUID(uid)
+		if(!(L in view_cache) || L.stat == DEAD)
+			target_UIDs -= uid
+			continue
+		total_damage += (L.maxHealth - L.health)
+		L.Beam(owner, "sendbeam", time = 2 SECONDS, maxdistance = 7)
+
+	var/average_damage = total_damage / length(target_UIDs)
+
+	for(var/uid in target_UIDs)
+		var/mob/living/L = locateUID(uid)
+		var/current_damage = L.maxHealth - L.health
+		if(current_damage == average_damage)
+			continue
+		if(current_damage > average_damage)
+			var/heal_amount = current_damage - average_damage
+			L.heal_ordered_damage(heal_amount, list(BRUTE, BURN, TOX, OXY, CLONE))
+		else
+			var/damage_amount = average_damage - current_damage
+			L.adjustFireLoss(damage_amount)
+
+	vamp.bloodusable = max(vamp.bloodusable - blood_cost_per_tick, 0)
+	if(!vamp.bloodusable || length(target_UIDs) <= 1) // if there is one left in the list, its only the vampire.
+		qdel(src)
+
+/datum/status_effect/thrall_net/on_remove()
+	. = ..()
+	vamp = null

code/datums/status_effects/debuffs.dm

@@ -247,6 +247,26 @@
 /datum/status_effect/bluespace_slowdown/on_remove()
 	owner.next_move_modifier /= 2
 
+/datum/status_effect/shadow_boxing
+	id = "shadow barrage"
+	alert_type = null
+	duration = 10 SECONDS
+	tick_interval = 0.4 SECONDS
+	var/damage = 8
+	var/source_UID
+
+/datum/status_effect/shadow_boxing/on_creation(mob/living/new_owner, mob/living/source)
+	. = ..()
+	source_UID = source.UID()
+
+/datum/status_effect/shadow_boxing/tick()
+	var/mob/living/attacker = locateUID(source_UID)
+	if(attacker in view(owner, 2))
+		attacker.do_attack_animation(owner, ATTACK_EFFECT_PUNCH)
+		owner.apply_damage(damage, BRUTE)
+		shadow_to_animation(get_turf(attacker), get_turf(owner), attacker)
+
+
 // start of `living` level status procs.
 
 /**