Death to earmuff duping (and other fixes/tweaks) (#7216)

* earmuff *scream

* don't limit limb breaking that hard

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

@@ -470,6 +470,9 @@
 //Used to attack a joint through grabbing
 /mob/living/carbon/human/proc/grab_joint(var/mob/living/user, var/def_zone)
 	var/has_grab = 0
+
+	if(user.limb_breaking)
+		return 0
 	for(var/obj/item/weapon/grab/G in list(user.l_hand, user.r_hand))
 		if(G.affecting == src && G.state == GRAB_NECK)
 			has_grab = 1
@@ -487,12 +490,15 @@
 		return 0
 
 	user.visible_message("<span class='warning'>[user] begins to dislocate [src]'s [organ.joint]!</span>")
+	user.limb_breaking = TRUE
 	if(do_after(user, 100))
 		organ.dislocate(1)
 		admin_attack_log(user, src, "dislocated [organ.joint].", "had his [organ.joint] dislocated.", "dislocated [organ.joint] of")
 		src.visible_message("<span class='danger'>[src]'s [organ.joint] [pick("gives way","caves in","crumbles","collapses")]!</span>")
+		user.limb_breaking = FALSE
 		return 1
 	user.visible_message("<span class='warning'>[user] fails to dislocate [src]'s [organ.joint]!</span>")
+	user.limb_breaking = FALSE
 	return 0
 
 //Breaks all grips and pulls that the mob currently has.

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

@@ -332,6 +332,9 @@ This saves us from having to call add_fingerprint() any time something is put in
 			check_flags = EYES
 		if(slot_gloves, slot_w_uniform)
 			covering = src.wear_suit
+		if(slot_l_ear, slot_r_ear)
+			covering = src.head
+			check_flags = HEAD
 
 	if(covering && (covering.body_parts_covered & (I.body_parts_covered|check_flags)))
 		to_chat(user, "<span class='warning'>\The [covering] is in the way.</span>")

code/modules/mob/living/living_defines.dm

@@ -77,4 +77,6 @@
 	var/stop_sight_update = 0 //If true, it won't reset the mob vision flags
 
 	var/burn_mod = 1
-	var/brute_mod = 1
+	var/brute_mod = 1
+
+	var/limb_breaking = FALSE // used to limit people from queuing up limb-breaks