Add file

src/Dodge/Inventory/Path.hs

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+module Dodge.Inventory.Path (getInventoryPath) where
+
+import Dodge.Data.Creature
+import qualified Data.IntMap.Strict as IM
+import Control.Lens
+import Control.Monad
+
+getInventoryPath :: Int -> InventoryPathing -> Int -> Creature -> Maybe Int
+getInventoryPath x ip itid cr = case ip of
+    ABSOLUTE | x `IM.member` (cr ^. crInv) -> Just x
+    RELCURS -> do
+        selid <- cr ^? crManipulation . manObject . imSelectedItem
+        guard $ (x + selid) `IM.member` (cr ^. crInv)
+        return $ (x + selid)
+    RELITEM
+        | (itid + x) `IM.member` (cr ^. crInv) ->
+            return $ itid + x
+    _ -> Nothing