[MIRROR] Netherworld Mobs Refractor [MDB IGNORE] (#19181)

* Netherworld Mobs Refractor

* Update statues.dm

* Update tgstation.dme

* w

---------

Co-authored-by: Comxy <tijntensen@gmail.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>

code/datums/components/damage_buffs.dm

@@ -0,0 +1,25 @@
+/**
+ * Attached to a mob so it can change or do actions based on the fact it got attacked.
+ */
+/datum/component/damage_buffs
+	/// Callback to a mob for health changes
+	var/datum/callback/health_callback
+
+/datum/component/damage_buffs/Initialize(datum/callback/health_callback)
+	if(!ismob(parent))
+		return ELEMENT_INCOMPATIBLE
+
+	src.health_callback = health_callback
+	parent.AddElement(/datum/element/relay_attackers)
+
+/datum/component/damage_buffs/RegisterWithParent()
+	RegisterSignal(parent, COMSIG_ATOM_WAS_ATTACKED, PROC_REF(on_attacked))
+
+/datum/component/damage_buffs/UnregisterFromParent()
+	UnregisterSignal(parent, COMSIG_ATOM_WAS_ATTACKED)
+
+/// Add an attacking atom to a blackboard list of things which attacked us
+/datum/component/damage_buffs/proc/on_attacked(mob/victim, atom/attacker)
+	SIGNAL_HANDLER
+
+	health_callback?.InvokeAsync(attacker)