Move towards external targeting items

src/Dodge/Data/Item/Use.hs

@@ -73,6 +73,11 @@ data ItemUse
         { -- | a camera offset
           _scopeScope :: Scope
         }
+    | TargetingUse
+        { _tgPos :: Maybe Point2
+        , _tgID :: Maybe Int
+        , _tgActive :: Bool
+        }
     deriving (Eq, Show, Read) --Generic, Flat)
 
 data TriggerType