Implement bullet trajectories using attachable items

src/Dodge/Data/Item/Combine.hs

@@ -91,6 +91,7 @@ data ItemBaseType
     | ATTACH {_ibtAttach :: AttachType}
     | AMMOMAG {_ibtAmmoMag :: AmmoMagType}
     | TARGETING {_ibtTargeting :: TargetingType}
+    | HOMING {_ibtHoming :: BulletTrajectoryType}
     deriving (Eq, Ord, Show, Read)
 
 --deriving (Eq, Ord, Show, Read) --Generic, Flat)
@@ -100,6 +101,7 @@ data AttachType
     | BULLETSYNTHESIZER
     | REMOTESCREEN
     | HOMINGMODULE
+--    | FLETCHINGMODULE
 --    | BULPAYLOADATTACH
 --    | BULTRAJECTORYATTACH
     deriving (Eq, Ord, Show, Read)