Simplify creature update

src/Dodge/Creature/Update.hs

@@ -43,12 +43,14 @@ updateCreature' cr =
     chasmTest cr . case _crType cr of
         Avatar{} ->
             (cWorld . lWorld . creatures . ix 0 . crType . avatarPulse %~ updatePulse)
-                . crUpdate yourControl cr
+                . crUpdate cid . yourControl cr
         LampCrit{} -> updateLampoid cr
         BarrelCrit bt -> updateBarreloid bt cr
         AvatarDead -> id
-        ChaseCrit {} -> crUpdate updateHumanoid cr
-        _ -> crUpdate updateHumanoid cr
+        ChaseCrit {} -> crUpdate cid .  updateHumanoid cr
+        _ -> crUpdate cid . updateHumanoid cr
+  where
+    cid = cr ^. crID
 
 {- | this seems to work, but I am not sure about the ordering:
  previously, the movement was updated before the ai in order to correctly set the oldpos.
@@ -57,16 +59,12 @@ updateCreature' cr =
  at what point invSideEffects is applied wrt to when the creature moves
  may affect whether the shield moves correctly
 -}
-crUpdate :: (Creature -> World -> World) -> Creature -> World -> World
-crUpdate f cr =
+crUpdate :: Int -> World -> World
+crUpdate cid =
     checkDeath cid
         . doDamage cid
         . invItemEffs cid
-        . g
         . updateWalkCycle cid
-  where
-    cid = cr ^. crID
-    g w' = maybe id f (w' ^? cWorld . lWorld . creatures . ix cid) w'
 
 checkDeath :: Int -> World -> World
 checkDeath cid w = maybe id checkDeath' (w ^? cWorld . lWorld . creatures . ix cid) w