updates single letter vars

code/modules/mob/living/carbon/xenomorph/abilities/praetorian/praetorian_powers.dm

@@ -1,19 +1,19 @@
-/datum/action/xeno_action/activable/pierce/use_ability(atom/A)
-	var/mob/living/carbon/xenomorph/X = owner
+/datum/action/xeno_action/activable/pierce/use_ability(atom/targetted_atom)
+	var/mob/living/carbon/xenomorph/source_xeno = owner
 	if (!action_cooldown_check())
 		return
 
-	if (!X.check_state())
+	if (!source_xeno.check_state())
 		return
 
-	if(!A || A.layer >= FLY_LAYER || !isturf(X.loc))
+	if(!targetted_atom || targetted_atom.layer >= FLY_LAYER || !isturf(source_xeno.loc))
 		return
 
 	if (!check_and_use_plasma_owner())
 		return
 
 	//X = xeno user, A = target atom
-	var/list/turf/target_turfs = getline2(X, A, include_from_atom = FALSE)
+	var/list/turf/target_turfs = getline2(source_xeno, targetted_atom, include_from_atom = FALSE)
 	var/len = LAZYLEN(target_turfs)
 	if(len > 3)
 		target_turfs = target_turfs.Copy(1, 4)
@@ -39,38 +39,38 @@
 					break
 
 				if(istype(object, /obj/structure/window/framed))
-					var/obj/structure/window/framed/W = object
-					if(!W.unslashable)
-						W.deconstruct(disassembled = FALSE)
+					var/obj/structure/window/framed/framed_window = object
+					if(!framed_window.unslashable)
+						framed_window.deconstruct(disassembled = FALSE)
 
 			//Check for mobs and add them to our target list for damage
 			if(istype(path_content, /mob/living/carbon))
 				var/mob/living/carbon/mob_to_act = path_content
-				if(!isxeno_human(mob_to_act) || X.can_not_harm(mob_to_act))
+				if(!isxeno_human(mob_to_act) || source_xeno.can_not_harm(mob_to_act))
 					continue
 
 				if(!(mob_to_act in target_mobs))
 					target_mobs += mob_to_act
 
-	X.visible_message(SPAN_XENODANGER("[X] slashes its tail through the area in front of it!"), SPAN_XENODANGER("You slash your tail through the area in front of you!"))
-	X.animation_attack_on(A, 15)
+	source_xeno.visible_message(SPAN_XENODANGER("[source_xeno] slashes its tail through the area in front of it!"), SPAN_XENODANGER("You slash your tail through the area in front of you!"))
+	source_xeno.animation_attack_on(targetted_atom, 15)
 
-	X.emote("roar")
+	source_xeno.emote("roar")
 
 	// Loop through our mob list, finding any humans there and dealing damage to them
-	for (var/mob/living/carbon/H in target_mobs)
-		if (!isxeno_human(H) || X.can_not_harm(H))
+	for (var/mob/living/carbon/current_mob in target_mobs)
+		if (!isxeno_human(current_mob) || source_xeno.can_not_harm(current_mob))
 			continue
 
-		if (H.stat == DEAD)
+		if (current_mob.stat == DEAD)
 			continue
 
-		X.flick_attack_overlay(H, "slash")
-		H.apply_armoured_damage(get_xeno_damage_slash(H, damage), ARMOR_MELEE, BRUTE, null, 20)
+		current_mob.flick_attack_overlay(current_mob, "slash")
+		current_mob.apply_armoured_damage(get_xeno_damage_slash(current_mob, damage), ARMOR_MELEE, BRUTE, null, 20)
 
 	if (target_mobs.len >= shield_regen_threshold)
-		if (X.mutation_type == PRAETORIAN_VANGUARD)
-			var/datum/behavior_delegate/praetorian_vanguard/BD = X.behavior_delegate
+		if (source_xeno.mutation_type == PRAETORIAN_VANGUARD)
+			var/datum/behavior_delegate/praetorian_vanguard/BD = source_xeno.behavior_delegate
 			if (istype(BD))
 				BD.regen_shield()