sigh

code/_onclick/right_item_attack.dm

@@ -0,0 +1,20 @@
+/obj/item/proc/rightclick_melee_attack_chain(mob/user, atom/target, params)
+	if(!alt_pre_attack(target, user, params)) //Hey, does this item have special behavior that should override all normal right-click functionality?
+		if(!target.altattackby(src, user, params)) //Does the target do anything special when we right-click on it?
+			melee_attack_chain(user, target, params) //Ugh. Lame! I'm filing a legal complaint about the discrimination against the right mouse button!
+		else
+			altafterattack(target, user, TRUE, params)
+	return
+
+/obj/item/proc/alt_pre_attack(atom/A, mob/living/user, params)
+	return FALSE //return something other than false if you wanna override attacking completely
+
+/atom/proc/altattackby(obj/item/W, mob/user, params)
+	return FALSE //return something other than false if you wanna add special right-click behavior to objects.
+
+/obj/item/proc/rightclick_attack_self(mob/user)
+	return FALSE
+
+/obj/item/proc/altafterattack(atom/target, mob/user, proximity_flag, click_parameters)
+	SEND_SIGNAL(src, COMSIG_ITEM_ALT_AFTERATTACK, target, user, proximity_flag, click_parameters)
+	return FALSE