Mid implementation of external ammo sources

src/Dodge/Data/Item/Combine.hs

@@ -98,8 +98,8 @@ data AttachType
     = SCROLLATTACH ScrollAttachType
     | AMMOATTACH AmmoAttachType
     | TARGETATTACH {_ibtAttachTarget :: TargetType}
-    | BULPAYLOADATTACH
-    | BULTRAJECTORYATTACH
+--    | BULPAYLOADATTACH
+--    | BULTRAJECTORYATTACH
     deriving (Eq, Ord, Show, Read)
 
 data ScrollAttachType
@@ -167,6 +167,7 @@ data HeldItemType
     | GRAPECANNON {_xNum :: Int}
     | MINIGUNX {_xNum :: Int}
     | VOLLEYGUN {_xNum :: Int}
+    | MULTIGUN {_xNum :: Int}
     | RIFLE
     | REPEATER
     | AUTORIFLE