- Only humans can now use the 'pick up' verb

- 'pick up' verb now checks if you hands are actually empty before executing an attack_hand() on the item it's tied to.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3740 316c924e-a436-60f5-8080-3fe189b3f50e

code/defines/obj.dm

@@ -311,12 +311,18 @@
 /obj/item/verb/verb_pickup()
 	set src in oview(1)
 	set category = "Object"
-	set name = "Pickup"
+	set name = "Pick up"
 
 	if(!usr.canmove || usr.stat || usr.restrained())
 		return
 
-	src.attack_hand(usr)
+	if(ishuman(usr))
+		if(usr.get_active_hand() == null)
+			src.attack_hand(usr)
+		else
+			usr << "\red You already have something in your hand."
+	else
+		usr << "\red This mob type can't use this verb."
 
 /obj/item/device
 	icon = 'device.dmi'