Cleanup close items code

src/Dodge/Inventory.hs

@@ -17,7 +17,6 @@ module Dodge.Inventory (
     destroyAllInvItems,
 ) where
 
-import Dodge.Equipment
 --import Dodge.Wall.Delete
 --import Dodge.Item.Location
 import Data.Function
@@ -26,6 +25,7 @@ import Data.Maybe
 import Dodge.Base
 import Dodge.Data.SelectionList
 import Dodge.Data.World
+import Dodge.Equipment
 --import Dodge.Euse
 import Dodge.Inventory.CheckSlots
 import Dodge.Inventory.Location
@@ -58,18 +58,22 @@ destroyInvItem cid invid w =
                 . (cWorld . lWorld . hotkeys . at hk .~ Nothing)
 
 destroyAllInvItems :: Creature -> World -> World
-destroyAllInvItems cr w = foldl' (flip $ destroyInvItem (cr ^. crID)) w 
-    . reverse . IM.keys $ cr ^. crInv 
+destroyAllInvItems cr w =
+    foldl' (flip $ destroyInvItem (cr ^. crID)) w
+        . reverse
+        . IM.keys
+        $ cr ^. crInv
 
 destroyItem :: Int -> World -> World
 destroyItem itid w = case w ^? cWorld . lWorld . itemLocations . ix itid of
-    Nothing -> error $ "Tried to destroy item that does not exist; item id: "++ show itid
-    Just InInv {_ilCrID = cid, _ilInvID = invid} -> destroyInvItem cid invid w
+    Nothing -> error $ "Tried to destroy item that does not exist; item id: " ++ show itid
+    Just InInv{_ilCrID = cid, _ilInvID = invid} -> destroyInvItem cid invid w
     Just OnTurret{} -> error "need to write code for destroying items on turrets"
-    Just (OnFloor (NInt i)) -> w & cWorld . lWorld . itemLocations . at itid .~ Nothing
-        & cWorld . lWorld . floorItems . unNIntMap . at i .~ Nothing
+    Just (OnFloor (NInt i)) ->
+        w & cWorld . lWorld . itemLocations . at itid .~ Nothing
+            & cWorld . lWorld . floorItems . unNIntMap . at i .~ Nothing
     Just InVoid -> w & cWorld . lWorld . itemLocations . at itid .~ Nothing
-    
+
 -- note rmInvItem does not fully destroy the item, other updates to the item
 -- location are required
 rmInvItem :: Int -> Int -> World -> World
@@ -119,23 +123,18 @@ rmInvItem cid invid w =
 -- this looks ugly...
 updateCloseObjects :: World -> World
 updateCloseObjects w =
-    w
-        & hud . closeItems %~ f
+    w & hud . closeItems %~ f
         & hud . closeButtons %~ g
   where
     g oldbts = intersect oldbts cbts `union` cbts
     f olditems = intersect olditems citems `union` citems
-    cbts = _btID <$> filter (isclose . _btPos) activeButtons
-    citems =
-        fmap _flItID
-            . filter (isclose . _flItPos)
-            . IM.elems
-            $ w ^. cWorld . lWorld . floorItems . unNIntMap
-    isclose pos = dist ypos pos < 40 && hasButtonLOS ypos pos w
-    ypos = _crPos $ you w
-    activeButtons = filter canpress . IM.elems $ w ^. cWorld . lWorld . buttons
+    lw = w ^. cWorld . lWorld
+    citems = lw^..floorItems . unNIntMap . each . filtered (isclose . _flItPos) . to _flItID
+    isclose x = dist y x < 40 && hasButtonLOS y x w
+    y = _crPos $ you w
+    cbts = lw^..buttons . each . filtered canpress . filtered (isclose . _btPos) . to _btID
     canpress bt = case bt ^. btEvent of
-        ButtonPress {_btOn = t} -> not t
+        ButtonPress{_btOn = t} -> not t
         ButtonAccessTerminal tid -> fromMaybe False $ do
             x <- w ^? cWorld . lWorld . terminals . ix tid . tmStatus
             return (x /= TerminalDeactivated)
@@ -205,8 +204,8 @@ invSetSelectionPos i j w =
         & setInvPosFromSS
         & cWorld . lWorld %~ crUpdateItemLocations 0
   where
-    f Nothing = Just (i,j,mempty)
-    f (Just (_,_,s)) = Just (i,j,s)
+    f Nothing = Just (i, j, mempty)
+    f (Just (_, _, s)) = Just (i, j, s)
 
 scrollAugInvSel :: Int -> World -> World
 scrollAugInvSel yi w