Use Item as argument in lUse rather than Int

src/Dodge/Creature/Impulse/UseItem.hs

@@ -74,8 +74,9 @@ useLeftItem cid w
     | itmShouldBeUsed = useItem cr w
     | otherwise = fromMaybe w $ do
         invid <- _crLeftInvSel cr
+        itm <- cr ^? crInv . ix invid
         f     <- cr ^? crInv . ix invid . itUse . lUse
-        return $ f cr invid w
+        return $ f itm cr w
   where
     cr = _creatures w IM.! cid
     itmShouldBeUsed = isJust (cr ^? crInv . ix (_crInvSel cr) . itUse . cUse)

src/Dodge/Data.hs

@@ -316,7 +316,6 @@ data Intention = Intention
     , _mvToPoint    :: Maybe Point2
     , _viewPoint    :: Maybe Point2
     }
-
 data CrMvType 
     = NoMvType
     | MvWalking { _mvSpeed :: Float }
@@ -374,7 +373,7 @@ data ItemUse
         , _useAim       :: AimParams
         }
     | LeftUse  
-        { _lUse         :: Creature -> Int -> World -> World 
+        { _lUse         :: Item -> Creature -> World -> World 
         , _useDelay     :: UseDelay
         , _useHammer    :: HammerType
         }

src/Dodge/Default/Weapon.hs

@@ -67,7 +67,7 @@ defaultlUse = LeftUse
     , _useHammer  = NoHammer
     }
 
-luseInstantNoH :: (Creature -> Int -> World -> World) -> ItemUse
+luseInstantNoH :: (Item -> Creature -> World -> World) -> ItemUse
 luseInstantNoH f = LeftUse
     { _lUse = f
     , _useDelay = NoDelay

src/Dodge/Item/Weapon/Booster.hs

@@ -30,14 +30,15 @@ boostPoint x cr w = case mayp2 of
 
 boostSelfL
     :: Float    -- ^ boost amount
+    -> Item
     -> Creature
-    -> Int      -- ^ item inventory id
     -> World
     -> World
-boostSelfL x cr invid w = case boostPoint x cr w of
+boostSelfL x itm cr w = case boostPoint x cr w of
     Left p  -> crEff p (itConsumption . ammoLoaded .~ 0)
     Right p -> crEff p (itConsumption . ammoLoaded -~ 1)
   where
+    invid = fromJust $ _itInvPos itm
     cid = _crID cr
     cpos = _crPos cr
     r = _crRad cr

src/Dodge/Item/Weapon/TriggerType.hs

@@ -79,7 +79,7 @@ import System.Random
 --import Control.Lens
 import Control.Monad.State
 import Data.Maybe
-import qualified Data.IntMap.Strict as IM
+--import qualified Data.IntMap.Strict as IM
 import Data.Foldable
 
 type ChainEffect 
@@ -331,33 +331,34 @@ ammoUseCheck f item cr w
 {- | Applies a world effect after a hammer position check.
 Arbitrary inventory position. -}
 hammerCheckL
-    :: (Creature -> Int -> World -> World)  -- ^ Underlying effect
+    :: (Item -> Creature -> World -> World)  -- ^ Underlying effect
-    -> Creature -> Int -> World -> World
+    -> Item -> Creature -> World -> World
-hammerCheckL f cr invid w = case (_crInv cr IM.! invid) ^? itUse . useHammer . hammerPosition of
+hammerCheckL f itm cr w = case itm ^? itUse . useHammer . hammerPosition of
-    Just HammerUp -> f cr invid $ setHammerDown w
+    Just HammerUp -> f itm cr $ setHammerDown w
     _             -> setHammerDown w
   where 
     cid = _crID cr
+    invid = fromJust $ _itInvPos itm
     setHammerDown = creatures . ix cid . crInv . ix invid 
         . itUse . useHammer . hammerPosition .~ HammerDown
 {- | Applies a world effect after an ammo check. 
 Arbitrary inventory position. -}
 shootL 
-    :: (Creature -> Int -> World -> World) 
+    :: (Item -> Creature -> World -> World) 
             -- ^ Underlying effect
+    -> Item
     -> Creature
-    -> Int -- ^ Inventory position
     -> World
     -> World
-shootL f cr invid w 
+shootL f item cr w 
-    | fireCondition = f cr invid w & pointerToItem %~
+    | fireCondition = f item cr w & pointerToItem %~
         ( itUseAmmo 1
         . (itUse . useDelay . rateTime .~ _rateMax (_useDelay (_itUse item))) )
     | reloadCondition = fromMaybe w $ startReloadingWeapon cr w
     | otherwise = w
   where 
     cid = _crID cr
-    item = _crInv cr IM.! invid
+    invid = fromJust $ _itInvPos item
     pointerToItem = creatures . ix cid . crInv . ix invid
     fireCondition = _reloadState (_itConsumption item) == Nothing'
         && _rateTime (_useDelay (_itUse item)) == 0

src/Dodge/Item/Weapon/Utility.hs

@@ -27,7 +27,7 @@ rewindGun = defaultGun
         , _wpCharge = 0
         }
     , _itEffect = ItRewindEffect rewindEffect []
-    , _itUse = defaultlUse {_lUse = \cr invid -> useRewindGun (_crInv cr IM.! invid) cr}
+    , _itUse = defaultlUse {_lUse = \itm cr -> useRewindGun itm cr}
     }
 rewindEffect :: Item -> Creature -> World -> World
 rewindEffect itm cr w 
@@ -77,12 +77,13 @@ shrinkGunPic _ = noPic $ colorSH violet $ upperPrismPoly 5 $ square 5
 
 -- be careful changing this around; potential problems include updating the
 -- creature but using the old crInvSel value
-useShrinkGun :: Creature -> Int -> World -> World
+-- 22.05.23 this has been changed from using invids to items
-useShrinkGun cr invid w = if _itBool $ _itAttachment it
+useShrinkGun :: Item -> Creature -> World -> World
+useShrinkGun it cr w = if _itBool $ _itAttachment it
     then tryResize 0.5 $ stripNoItems cr . f False UndroppableIdentified . dropExcept cr invid
     else tryResize 1   $ f True Uncursed . setMinInvSize defaultInvSize cr
   where
-    it = _crInv cr IM.! invid
+    invid = fromJust $ _itInvPos it
     tryResize x g = maybe w g $ sizeSelf x cr w
     f isInUse cstatus = creatures . ix (_crID cr) . crInv . ix invid %~
         ( (itAttachment . itBool .~ isInUse) . (itCurseStatus .~ cstatus) )
@@ -107,8 +108,8 @@ blinkGun = defaultGun
 aSelf :: Creature -> World -> World
 aSelf = blinkAction
 
-aSelfL :: Creature -> Int -> World -> World
+aSelfL :: Item -> Creature -> World -> World
-aSelfL cr _ = blinkAction cr
+aSelfL _ cr = blinkAction cr
 
 effectGun :: String -> (Creature -> World -> World) -> Item
 effectGun name eff = defaultGun