Merge pull request #8524 from BurgerLUA/Ass-Blast-USA

Adds a trait that makes you immune to ass slapping: BUNS OF STEEL.

code/modules/mob/living/carbon/human/species.dm

@@ -1486,6 +1486,24 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 		user.adjustStaminaLossBuffered(3)
 		return FALSE
 	else if(aim_for_groin && (target == user || target.lying || same_dir) && (target_on_help || target_restrained || target_aiming_for_groin))
+		user.do_attack_animation(target, ATTACK_EFFECT_ASS_SLAP)
+		user.adjustStaminaLossBuffered(3)
+		if(target.has_trait(TRAIT_ASSBLASTUSA))
+			var/hit_zone = (user.held_index_to_dir(user.active_hand_index) == "l" ? "l_":"r_") + "arm"
+			user.adjustStaminaLoss(50, affected_zone = hit_zone)
+			var/obj/item/bodypart/affecting = user.get_bodypart(hit_zone)
+			if(affecting)
+				if(affecting.receive_damage(5, 0))
+					user.update_damage_overlays()
+			user.visible_message(\
+				"<span class='danger'>\The [user] slaps \the [target]'s ass, but their hand bounces off like they hit metal!</span>",\
+				"<span class='danger'>You slap [user == target ? "your" : "\the [target]'s"] ass, but feel an intense amount of pain as you realise their buns are harder than steel!</span>",\
+				"You hear a slap."
+			)
+			playsound(target.loc, 'sound/weapons/tap.ogg', 50, 1, -1)
+			user.emote("scream")
+			return FALSE
+
 		playsound(target.loc, 'sound/weapons/slap.ogg', 50, 1, -1)
 		user.visible_message(\
 			"<span class='danger'>\The [user] slaps \the [target]'s ass!</span>",\
@@ -1498,8 +1516,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			target.mob_climax(forced_climax=TRUE)
 		if (!target.has_trait(TRAIT_NYMPHO))
 			stop_wagging_tail(target)
-		user.do_attack_animation(target, ATTACK_EFFECT_ASS_SLAP)
-		user.adjustStaminaLossBuffered(3)
+
 		return FALSE
 	else if(attacker_style && attacker_style.disarm_act(user,target))
 		return 1