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authorGriffin Smith <grfn@gws.fyi>2021-04-11T21·53-0400
committerglittershark <grfn@gws.fyi>2021-04-12T14·45+0000
commit6266c5d32f9ff651fcfc3a4cc0c68e89da56ca65 (patch)
tree5be3967585787c4456e17cb29423770217fdcede /users/glittershark/xanthous/src/Xanthous/Game
parent968effb5dc1a4617a0dceaffc70e986abe300c6e (diff)
refactor(users/glittershark): Rename to grfn r/2485
Rename my //users directory and all places that refer to glittershark to
grfn, including nix references and documentation.

This may require some extra attention inside of gerrit's database after
it lands to allow me to actually push things.

Change-Id: I4728b7ec2c60024392c1c1fa6e0d4a59b3e266fa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2933
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: glittershark <grfn@gws.fyi>
Diffstat (limited to 'users/glittershark/xanthous/src/Xanthous/Game')
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/Arbitrary.hs51
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/Draw.hs143
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/Env.hs19
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/Lenses.hs150
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/Prompt.hs289
-rw-r--r--users/glittershark/xanthous/src/Xanthous/Game/State.hs558
6 files changed, 0 insertions, 1210 deletions
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/Arbitrary.hs b/users/glittershark/xanthous/src/Xanthous/Game/Arbitrary.hs
deleted file mode 100644
index 1b15ad4ffa64..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/Arbitrary.hs
+++ /dev/null
@@ -1,51 +0,0 @@
-{-# LANGUAGE UndecidableInstances #-}
-{-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# LANGUAGE StandaloneDeriving #-}
-{-# LANGUAGE RecordWildCards #-}
---------------------------------------------------------------------------------
-module Xanthous.Game.Arbitrary where
---------------------------------------------------------------------------------
-import           Xanthous.Prelude hiding (foldMap)
---------------------------------------------------------------------------------
-import           Test.QuickCheck
-import           System.Random
-import           Data.Foldable (foldMap)
---------------------------------------------------------------------------------
-import           Xanthous.Data.Levels
-import qualified Xanthous.Data.EntityMap as EntityMap
-import           Xanthous.Entities.Entities ()
-import           Xanthous.Entities.Character
-import           Xanthous.Game.State
-import           Xanthous.Orphans ()
-import           Xanthous.Util.QuickCheck (GenericArbitrary(..))
---------------------------------------------------------------------------------
-
-deriving via GenericArbitrary GameLevel instance Arbitrary GameLevel
-
-instance Arbitrary GameState where
-  arbitrary = do
-    chr <- arbitrary @Character
-    _upStaircasePosition <- arbitrary
-    _messageHistory <- arbitrary
-    levs <- arbitrary @(Levels GameLevel)
-    _levelRevealedPositions <-
-      fmap setFromList
-      . sublistOf
-      . foldMap (EntityMap.positions . _levelEntities)
-      $ levs
-    let (_characterEntityID, _levelEntities) =
-          EntityMap.insertAtReturningID _upStaircasePosition (SomeEntity chr)
-          $ levs ^. current . levelEntities
-        _levels = levs & current .~ GameLevel {..}
-    _randomGen <- mkStdGen <$> arbitrary
-    let _promptState = NoPrompt -- TODO
-    _activePanel <- arbitrary
-    _debugState <- arbitrary
-    let _autocommand = NoAutocommand
-    pure $ GameState {..}
-
-
-instance CoArbitrary GameLevel
-instance Function GameLevel
-instance CoArbitrary GameState
-instance Function GameState
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/Draw.hs b/users/glittershark/xanthous/src/Xanthous/Game/Draw.hs
deleted file mode 100644
index 2375ae8c557e..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/Draw.hs
+++ /dev/null
@@ -1,143 +0,0 @@
---------------------------------------------------------------------------------
-module Xanthous.Game.Draw
-  ( drawGame
-  ) where
---------------------------------------------------------------------------------
-import           Xanthous.Prelude
-import           Brick hiding (loc, on)
-import           Brick.Widgets.Border
-import           Brick.Widgets.Border.Style
-import           Brick.Widgets.Edit
---------------------------------------------------------------------------------
-import           Xanthous.Data
-import           Xanthous.Data.App (ResourceName, Panel(..))
-import qualified Xanthous.Data.App as Resource
-import qualified Xanthous.Data.EntityMap as EntityMap
-import           Xanthous.Game.State
-import           Xanthous.Entities.Character
-import           Xanthous.Entities.Item (Item)
-import           Xanthous.Game
-                 ( characterPosition
-                 , character
-                 , revealedEntitiesAtPosition
-                 )
-import           Xanthous.Game.Prompt
-import           Xanthous.Orphans ()
---------------------------------------------------------------------------------
-
-cursorPosition :: GameState -> Widget ResourceName -> Widget ResourceName
-cursorPosition game
-  | WaitingPrompt _ (Prompt _ SPointOnMap (PointOnMapPromptState pos) _ _)
-    <- game ^. promptState
-  = showCursor Resource.Prompt (pos ^. loc)
-  | otherwise
-  = showCursor Resource.Character (game ^. characterPosition . loc)
-
-drawMessages :: MessageHistory -> Widget ResourceName
-drawMessages = txtWrap . (<> " ") . unwords . reverse . oextract
-
-drawPromptState :: GamePromptState m -> Widget ResourceName
-drawPromptState NoPrompt = emptyWidget
-drawPromptState (WaitingPrompt msg (Prompt _ pt ps pri _)) =
-  case (pt, ps, pri) of
-    (SStringPrompt, StringPromptState edit, _) ->
-      txtWrap msg <+> txt " " <+> renderEditor (txt . fold) True edit
-    (SDirectionPrompt, DirectionPromptState, _) -> txtWrap msg
-    (SContinue, _, _) -> txtWrap msg
-    (SMenu, _, menuItems) ->
-      txtWrap msg
-      <=> foldl' (<=>) emptyWidget (map drawMenuItem $ itoList menuItems)
-    _ -> txtWrap msg
-  where
-    drawMenuItem (chr, MenuOption m _) =
-      str ("[" <> pure chr <> "] ") <+> txtWrap m
-
-drawEntities
-  :: GameState
-  -> Widget ResourceName
-drawEntities game = vBox rows
-  where
-    allEnts = game ^. entities
-    entityPositions = EntityMap.positions allEnts
-    maxY = fromMaybe 0 $ maximumOf (folded . y) entityPositions
-    maxX = fromMaybe 0 $ maximumOf (folded . x) entityPositions
-    rows = mkRow <$> [0..maxY]
-    mkRow rowY = hBox $ renderEntityAt . flip Position rowY <$> [0..maxX]
-    renderEntityAt pos
-      = renderTopEntity pos $ revealedEntitiesAtPosition pos game
-    renderTopEntity pos ents
-      = let neighbors = EntityMap.neighbors pos allEnts
-        in maybe (str " ") (drawWithNeighbors neighbors)
-           $ maximumBy (compare `on` drawPriority)
-           <$> fromNullable ents
-
-drawMap :: GameState -> Widget ResourceName
-drawMap game
-  = viewport Resource.MapViewport Both
-  . cursorPosition game
-  $ drawEntities game
-
-bullet :: Char
-bullet = '•'
-
-drawInventoryPanel :: GameState -> Widget ResourceName
-drawInventoryPanel game
-  =   drawWielded  (game ^. character . inventory . wielded)
-  <=> drawBackpack (game ^. character . inventory . backpack)
-  where
-    drawWielded (Hands Nothing Nothing) = emptyWidget
-    drawWielded (DoubleHanded i) =
-      txtWrap $ "You are holding " <> description i <> " in both hands"
-    drawWielded (Hands l r) = drawHand "left" l <=> drawHand "right" r
-    drawHand side = maybe emptyWidget $ \i ->
-      txtWrap ( "You are holding "
-              <> description i
-              <> " in your " <> side <> " hand"
-              )
-      <=> txt " "
-
-    drawBackpack :: Vector Item -> Widget ResourceName
-    drawBackpack Empty = txtWrap "Your backpack is empty right now."
-    drawBackpack backpackItems
-      = txtWrap ( "You are currently carrying the following items in your "
-                <> "backpack:")
-        <=> txt " "
-        <=> foldl' (<=>) emptyWidget
-            (map
-              (txtWrap . ((bullet <| " ") <>) . description)
-              backpackItems)
-
-
-drawPanel :: GameState -> Panel -> Widget ResourceName
-drawPanel game panel
-  = border
-  . hLimit 35
-  . viewport (Resource.Panel panel) Vertical
-  . case panel of
-      InventoryPanel -> drawInventoryPanel
-  $ game
-
-drawCharacterInfo :: Character -> Widget ResourceName
-drawCharacterInfo ch = txt " " <+> charName <+> charHitpoints
-  where
-    charName | Just n <- ch ^. characterName
-             = txt $ n <> " "
-             | otherwise
-             = emptyWidget
-    charHitpoints
-        = txt "Hitpoints: "
-      <+> txt (tshow $ let Hitpoints hp = characterHitpoints ch in hp)
-
-drawGame :: GameState -> [Widget ResourceName]
-drawGame game
-  = pure
-  . withBorderStyle unicode
-  $ case game ^. promptState of
-       NoPrompt -> drawMessages (game ^. messageHistory)
-       _ -> emptyWidget
-  <=> drawPromptState (game ^. promptState)
-  <=>
-  (maybe emptyWidget (drawPanel game) (game ^. activePanel)
-  <+> border (drawMap game)
-  )
-  <=> drawCharacterInfo (game ^. character)
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/Env.hs b/users/glittershark/xanthous/src/Xanthous/Game/Env.hs
deleted file mode 100644
index 6e10d0f73581..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/Env.hs
+++ /dev/null
@@ -1,19 +0,0 @@
-{-# LANGUAGE TemplateHaskell #-}
---------------------------------------------------------------------------------
-module Xanthous.Game.Env
-  ( GameEnv(..)
-  , eventChan
-  ) where
---------------------------------------------------------------------------------
-import Xanthous.Prelude
---------------------------------------------------------------------------------
-import Brick.BChan (BChan)
-import Xanthous.Data.App (AppEvent)
---------------------------------------------------------------------------------
-
-data GameEnv = GameEnv
-  { _eventChan :: BChan AppEvent
-  }
-  deriving stock (Generic)
-makeLenses ''GameEnv
-{-# ANN GameEnv ("HLint: ignore Use newtype instead of data" :: String) #-}
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/Lenses.hs b/users/glittershark/xanthous/src/Xanthous/Game/Lenses.hs
deleted file mode 100644
index 6242b855f1cc..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/Lenses.hs
+++ /dev/null
@@ -1,150 +0,0 @@
-{-# LANGUAGE RecordWildCards #-}
-{-# LANGUAGE QuantifiedConstraints #-}
-{-# LANGUAGE AllowAmbiguousTypes #-}
---------------------------------------------------------------------------------
-module Xanthous.Game.Lenses
-  ( positionedCharacter
-  , character
-  , characterPosition
-  , updateCharacterVision
-  , characterVisiblePositions
-  , characterVisibleEntities
-  , getInitialState
-  , initialStateFromSeed
-  , entitiesAtCharacter
-  , revealedEntitiesAtPosition
-
-    -- * Collisions
-  , Collision(..)
-  , entitiesCollision
-  , collisionAt
-  ) where
---------------------------------------------------------------------------------
-import           Xanthous.Prelude
---------------------------------------------------------------------------------
-import           System.Random
-import           Control.Monad.State
-import           Control.Monad.Random (getRandom)
---------------------------------------------------------------------------------
-import           Xanthous.Game.State
-import           Xanthous.Data
-import           Xanthous.Data.Levels
-import qualified Xanthous.Data.EntityMap as EntityMap
-import           Xanthous.Data.EntityMap.Graphics
-                 (visiblePositions, visibleEntities)
-import           Xanthous.Data.VectorBag
-import           Xanthous.Entities.Character (Character, mkCharacter)
-import           {-# SOURCE #-} Xanthous.Entities.Entities ()
---------------------------------------------------------------------------------
-
-getInitialState :: IO GameState
-getInitialState = initialStateFromSeed <$> getRandom
-
-initialStateFromSeed :: Int -> GameState
-initialStateFromSeed seed =
-  let _randomGen = mkStdGen seed
-      chr = mkCharacter
-      _upStaircasePosition = Position 0 0
-      (_characterEntityID, _levelEntities)
-        = EntityMap.insertAtReturningID
-          _upStaircasePosition
-          (SomeEntity chr)
-          mempty
-      _levelRevealedPositions = mempty
-      level = GameLevel {..}
-      _levels = oneLevel level
-      _messageHistory = mempty
-      _promptState = NoPrompt
-      _activePanel = Nothing
-      _debugState = DebugState
-        { _allRevealed = False
-        }
-      _autocommand = NoAutocommand
-  in GameState {..}
-
-
-positionedCharacter :: Lens' GameState (Positioned Character)
-positionedCharacter = lens getPositionedCharacter setPositionedCharacter
-  where
-    setPositionedCharacter :: GameState -> Positioned Character -> GameState
-    setPositionedCharacter game chr
-      = game
-      &  entities . at (game ^. characterEntityID)
-      ?~ fmap SomeEntity chr
-
-    getPositionedCharacter :: GameState -> Positioned Character
-    getPositionedCharacter game
-      = over positioned
-        ( fromMaybe (error "Invariant error: Character was not a character!")
-        . downcastEntity
-        )
-      . fromMaybe (error "Invariant error: Character not found!")
-      $ EntityMap.lookupWithPosition
-        (game ^. characterEntityID)
-        (game ^. entities)
-
-
-character :: Lens' GameState Character
-character = positionedCharacter . positioned
-
-characterPosition :: Lens' GameState Position
-characterPosition = positionedCharacter . position
-
-visionRadius :: Word
-visionRadius = 12 -- TODO make this dynamic
-
--- | Update the revealed entities at the character's position based on their
--- vision
-updateCharacterVision :: GameState -> GameState
-updateCharacterVision game
-  = game & revealedPositions <>~ characterVisiblePositions game
-
-characterVisiblePositions :: GameState -> Set Position
-characterVisiblePositions game =
-  let charPos = game ^. characterPosition
-  in visiblePositions charPos visionRadius $ game ^. entities
-
-characterVisibleEntities :: GameState -> EntityMap.EntityMap SomeEntity
-characterVisibleEntities game =
-  let charPos = game ^. characterPosition
-  in visibleEntities charPos visionRadius $ game ^. entities
-
-entitiesCollision
-  :: ( Functor f
-    , forall xx. MonoFoldable (f xx)
-    , Element (f SomeEntity) ~ SomeEntity
-    , Element (f (Maybe Collision)) ~ Maybe Collision
-    , Show (f (Maybe Collision))
-    , Show (f SomeEntity)
-    )
-  => f SomeEntity
-  -> Maybe Collision
-entitiesCollision = join . maximumMay . fmap entityCollision
-
-collisionAt :: MonadState GameState m => Position -> m (Maybe Collision)
-collisionAt p = uses (entities . EntityMap.atPosition p) entitiesCollision
-
-entitiesAtCharacter :: Lens' GameState (VectorBag SomeEntity)
-entitiesAtCharacter = lens getter setter
-  where
-    getter gs = gs ^. entities . EntityMap.atPosition (gs ^. characterPosition)
-    setter gs ents = gs
-      & entities . EntityMap.atPosition (gs ^. characterPosition) .~ ents
-
--- | Returns all entities at the given position that are revealed to the
--- character.
---
--- Concretely, this is either entities that are *currently* visible to the
--- character, or entities, that are immobile and that the character has seen
--- before
-revealedEntitiesAtPosition :: Position -> GameState -> (VectorBag SomeEntity)
-revealedEntitiesAtPosition p gs
-  | p `member` characterVisiblePositions gs
-  = entitiesAtPosition
-  | p `member` (gs ^. revealedPositions)
-  = immobileEntitiesAtPosition
-  | otherwise
-  = mempty
-  where
-    entitiesAtPosition = gs ^. entities . EntityMap.atPosition p
-    immobileEntitiesAtPosition = filter (not . entityCanMove) entitiesAtPosition
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/Prompt.hs b/users/glittershark/xanthous/src/Xanthous/Game/Prompt.hs
deleted file mode 100644
index 30b5fe7545e0..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/Prompt.hs
+++ /dev/null
@@ -1,289 +0,0 @@
-{-# LANGUAGE DeriveFunctor #-}
-{-# LANGUAGE UndecidableInstances #-}
-{-# LANGUAGE StandaloneDeriving #-}
-{-# LANGUAGE GADTs #-}
-{-# LANGUAGE DeriveFunctor #-}
---------------------------------------------------------------------------------
-module Xanthous.Game.Prompt
-  ( PromptType(..)
-  , SPromptType(..)
-  , SingPromptType(..)
-  , PromptCancellable(..)
-  , PromptResult(..)
-  , PromptState(..)
-  , MenuOption(..)
-  , mkMenuItems
-  , PromptInput
-  , Prompt(..)
-  , mkPrompt
-  , mkMenu
-  , mkPointOnMapPrompt
-  , isCancellable
-  , submitPrompt
-  ) where
---------------------------------------------------------------------------------
-import Xanthous.Prelude
---------------------------------------------------------------------------------
-import           Brick.Widgets.Edit (Editor, editorText, getEditContents)
-import           Test.QuickCheck
-import           Test.QuickCheck.Arbitrary.Generic
---------------------------------------------------------------------------------
-import           Xanthous.Util (smallestNotIn)
-import           Xanthous.Data (Direction, Position)
-import           Xanthous.Data.App (ResourceName)
-import qualified Xanthous.Data.App as Resource
---------------------------------------------------------------------------------
-
-data PromptType where
-  StringPrompt    :: PromptType
-  Confirm         :: PromptType
-  Menu            :: Type -> PromptType
-  DirectionPrompt :: PromptType
-  PointOnMap      :: PromptType
-  Continue        :: PromptType
-  deriving stock (Generic)
-
-instance Show PromptType where
-  show StringPrompt = "StringPrompt"
-  show Confirm = "Confirm"
-  show (Menu _) = "Menu"
-  show DirectionPrompt = "DirectionPrompt"
-  show PointOnMap = "PointOnMap"
-  show Continue = "Continue"
-
-data SPromptType :: PromptType -> Type where
-  SStringPrompt    ::      SPromptType 'StringPrompt
-  SConfirm         ::      SPromptType 'Confirm
-  SMenu            ::      SPromptType ('Menu a)
-  SDirectionPrompt ::      SPromptType 'DirectionPrompt
-  SPointOnMap      ::      SPromptType 'PointOnMap
-  SContinue        ::      SPromptType 'Continue
-
-instance NFData (SPromptType pt) where
-  rnf SStringPrompt = ()
-  rnf SConfirm = ()
-  rnf SMenu = ()
-  rnf SDirectionPrompt = ()
-  rnf SPointOnMap = ()
-  rnf SContinue = ()
-
-class SingPromptType pt where singPromptType :: SPromptType pt
-instance SingPromptType 'StringPrompt where singPromptType = SStringPrompt
-instance SingPromptType 'Confirm where singPromptType = SConfirm
-instance SingPromptType 'DirectionPrompt where singPromptType = SDirectionPrompt
-instance SingPromptType 'PointOnMap where singPromptType = SPointOnMap
-instance SingPromptType 'Continue where singPromptType = SContinue
-
-instance Show (SPromptType pt) where
-  show SStringPrompt    = "SStringPrompt"
-  show SConfirm         = "SConfirm"
-  show SMenu            = "SMenu"
-  show SDirectionPrompt = "SDirectionPrompt"
-  show SPointOnMap      = "SPointOnMap"
-  show SContinue        = "SContinue"
-
-data PromptCancellable
-  = Cancellable
-  | Uncancellable
-  deriving stock (Show, Eq, Ord, Enum, Generic)
-  deriving anyclass (NFData, CoArbitrary, Function)
-
-instance Arbitrary PromptCancellable where
-  arbitrary = genericArbitrary
-
-data PromptResult (pt :: PromptType) where
-  StringResult     :: Text      -> PromptResult 'StringPrompt
-  ConfirmResult    :: Bool      -> PromptResult 'Confirm
-  MenuResult       :: forall a. a    -> PromptResult ('Menu a)
-  DirectionResult  :: Direction -> PromptResult 'DirectionPrompt
-  PointOnMapResult :: Position  -> PromptResult 'PointOnMap
-  ContinueResult   ::             PromptResult 'Continue
-
-instance Arbitrary (PromptResult 'StringPrompt) where
-  arbitrary = StringResult <$> arbitrary
-
-instance Arbitrary (PromptResult 'Confirm) where
-  arbitrary = ConfirmResult <$> arbitrary
-
-instance Arbitrary a => Arbitrary (PromptResult ('Menu a)) where
-  arbitrary = MenuResult <$> arbitrary
-
-instance Arbitrary (PromptResult 'DirectionPrompt) where
-  arbitrary = DirectionResult <$> arbitrary
-
-instance Arbitrary (PromptResult 'PointOnMap) where
-  arbitrary = PointOnMapResult <$> arbitrary
-
-instance Arbitrary (PromptResult 'Continue) where
-  arbitrary = pure ContinueResult
-
---------------------------------------------------------------------------------
-
-data PromptState pt where
-  StringPromptState
-    :: Editor Text ResourceName     -> PromptState 'StringPrompt
-  DirectionPromptState  ::            PromptState 'DirectionPrompt
-  ContinuePromptState   ::            PromptState 'Continue
-  ConfirmPromptState    ::            PromptState 'Confirm
-  MenuPromptState       :: forall a.       PromptState ('Menu a)
-  PointOnMapPromptState :: Position -> PromptState 'PointOnMap
-
-instance NFData (PromptState pt) where
-  rnf sps@(StringPromptState ed) = sps `deepseq` ed `deepseq` ()
-  rnf DirectionPromptState = ()
-  rnf ContinuePromptState = ()
-  rnf ConfirmPromptState = ()
-  rnf MenuPromptState = ()
-  rnf pomps@(PointOnMapPromptState pos) = pomps `deepseq` pos `deepseq` ()
-
-instance Arbitrary (PromptState 'StringPrompt) where
-  arbitrary = StringPromptState <$> arbitrary
-
-instance Arbitrary (PromptState 'DirectionPrompt) where
-  arbitrary = pure DirectionPromptState
-
-instance Arbitrary (PromptState 'Continue) where
-  arbitrary = pure ContinuePromptState
-
-instance Arbitrary (PromptState ('Menu a)) where
-  arbitrary = pure MenuPromptState
-
-instance CoArbitrary (PromptState 'StringPrompt) where
-  coarbitrary (StringPromptState ed) = coarbitrary ed
-
-instance CoArbitrary (PromptState 'DirectionPrompt) where
-  coarbitrary DirectionPromptState = coarbitrary ()
-
-instance CoArbitrary (PromptState 'Continue) where
-  coarbitrary ContinuePromptState = coarbitrary ()
-
-instance CoArbitrary (PromptState ('Menu a)) where
-  coarbitrary MenuPromptState = coarbitrary ()
-
-deriving stock instance Show (PromptState pt)
-
-data MenuOption a = MenuOption Text a
-  deriving stock (Eq, Generic, Functor)
-  deriving anyclass (NFData, CoArbitrary, Function)
-
-instance Comonad MenuOption where
-  extract (MenuOption _ x) = x
-  extend cok mo@(MenuOption text _) = MenuOption text (cok mo)
-
-mkMenuItems :: (MonoFoldable f, Element f ~ (Char, MenuOption a))
-            => f
-            -> Map Char (MenuOption a)
-mkMenuItems = flip foldl' mempty $ \items (chr, option) ->
-  let chr' = if has (ix chr) items
-             then smallestNotIn $ keys items
-             else chr
-  in items & at chr' ?~ option
-
-instance Show (MenuOption a) where
-  show (MenuOption m _) = show m
-
-type family PromptInput (pt :: PromptType) :: Type where
-  PromptInput ('Menu a) = Map Char (MenuOption a)
-  PromptInput 'PointOnMap = Position -- Character pos
-  PromptInput _ = ()
-
-data Prompt (m :: Type -> Type) where
-  Prompt
-    :: forall (pt :: PromptType)
-        (m :: Type -> Type).
-      PromptCancellable
-    -> SPromptType pt
-    -> PromptState pt
-    -> PromptInput pt
-    -> (PromptResult pt -> m ())
-    -> Prompt m
-
-instance Show (Prompt m) where
-  show (Prompt c pt ps pri _)
-    = "(Prompt "
-    <> show c <> " "
-    <> show pt <> " "
-    <> show ps <> " "
-    <> showPri
-    <> " <function>)"
-    where showPri = case pt of
-            SMenu -> show pri
-            _ -> "()"
-
-instance NFData (Prompt m) where
-  rnf (Prompt c SMenu ps pri cb)
-            = c
-    `deepseq` ps
-    `deepseq` pri
-    `seq` cb
-    `seq` ()
-  rnf (Prompt c spt ps pri cb)
-            = c
-    `deepseq` spt
-    `deepseq` ps
-    `deepseq` pri
-    `seq` cb
-    `seq` ()
-
-instance CoArbitrary (m ()) => CoArbitrary (Prompt m) where
-  coarbitrary (Prompt c SStringPrompt ps pri cb) =
-    variant @Int 1 . coarbitrary (c, ps, pri, cb)
-  coarbitrary (Prompt c SConfirm _ pri cb) = -- TODO fill in prompt state
-    variant @Int 2 . coarbitrary (c, pri, cb)
-  coarbitrary (Prompt c SMenu _ps _pri _cb) =
-    variant @Int 3 . coarbitrary c {-, ps, pri, cb -}
-  coarbitrary (Prompt c SDirectionPrompt ps pri cb) =
-    variant @Int 4 . coarbitrary (c, ps, pri, cb)
-  coarbitrary (Prompt c SPointOnMap _ pri cb) = -- TODO fill in prompt state
-    variant @Int 5 . coarbitrary (c, pri, cb)
-  coarbitrary (Prompt c SContinue ps pri cb) =
-    variant @Int 6 . coarbitrary (c, ps, pri, cb)
-
--- instance Function (Prompt m) where
---   function = functionMap toTuple _fromTuple
---     where
---       toTuple (Prompt c pt ps pri cb) = (c, pt, ps, pri, cb)
-
-
-mkPrompt :: (PromptInput pt ~ ()) => PromptCancellable -> SPromptType pt -> (PromptResult pt -> m ()) -> Prompt m
-mkPrompt c pt@SStringPrompt cb =
-  let ps = StringPromptState $ editorText Resource.Prompt (Just 1) ""
-  in Prompt c pt ps () cb
-mkPrompt c pt@SDirectionPrompt cb = Prompt c pt DirectionPromptState () cb
-mkPrompt c pt@SContinue cb = Prompt c pt ContinuePromptState () cb
-mkPrompt c pt@SConfirm cb = Prompt c pt ConfirmPromptState () cb
-
-mkMenu
-  :: forall a m.
-    PromptCancellable
-  -> Map Char (MenuOption a) -- ^ Menu items
-  -> (PromptResult ('Menu a) -> m ())
-  -> Prompt m
-mkMenu c = Prompt c SMenu MenuPromptState
-
-mkPointOnMapPrompt
-  :: PromptCancellable
-  -> Position
-  -> (PromptResult 'PointOnMap -> m ())
-  -> Prompt m
-mkPointOnMapPrompt c pos = Prompt c SPointOnMap (PointOnMapPromptState pos) pos
-
-isCancellable :: Prompt m -> Bool
-isCancellable (Prompt Cancellable _ _ _ _)   = True
-isCancellable (Prompt Uncancellable _ _ _ _) = False
-
-submitPrompt :: Applicative m => Prompt m -> m ()
-submitPrompt (Prompt _ pt ps _ cb) =
-  case (pt, ps) of
-    (SStringPrompt, StringPromptState edit) ->
-      cb . StringResult . mconcat . getEditContents $ edit
-    (SDirectionPrompt, DirectionPromptState) ->
-      pure () -- Don't use submit with a direction prompt
-    (SContinue, ContinuePromptState) ->
-      cb ContinueResult
-    (SMenu, MenuPromptState) ->
-      pure () -- Don't use submit with a menu prompt
-    (SPointOnMap, PointOnMapPromptState pos) ->
-      cb $ PointOnMapResult pos
-    (SConfirm, ConfirmPromptState) ->
-      cb $ ConfirmResult True
diff --git a/users/glittershark/xanthous/src/Xanthous/Game/State.hs b/users/glittershark/xanthous/src/Xanthous/Game/State.hs
deleted file mode 100644
index f614cad47339..000000000000
--- a/users/glittershark/xanthous/src/Xanthous/Game/State.hs
+++ /dev/null
@@ -1,558 +0,0 @@
-{-# LANGUAGE StandaloneDeriving   #-}
-{-# LANGUAGE RecordWildCards      #-}
-{-# LANGUAGE UndecidableInstances #-}
-{-# LANGUAGE TemplateHaskell      #-}
-{-# LANGUAGE GADTs                #-}
-{-# LANGUAGE AllowAmbiguousTypes  #-}
---------------------------------------------------------------------------------
-module Xanthous.Game.State
-  ( GameState(..)
-  , entities
-  , levels
-  , revealedPositions
-  , messageHistory
-  , randomGen
-  , activePanel
-  , promptState
-  , characterEntityID
-  , autocommand
-  , GamePromptState(..)
-
-    -- * Game Level
-  , GameLevel(..)
-  , levelEntities
-  , upStaircasePosition
-  , levelRevealedPositions
-
-    -- * Messages
-  , MessageHistory(..)
-  , HasMessages(..)
-  , HasTurn(..)
-  , HasDisplayedTurn(..)
-  , pushMessage
-  , previousMessage
-  , nextTurn
-
-    -- * Autocommands
-  , Autocommand(..)
-  , AutocommandState(..)
-  , _NoAutocommand
-  , _ActiveAutocommand
-
-    -- * App monad
-  , AppT(..)
-  , AppM
-  , runAppT
-
-    -- * Entities
-  , Draw(..)
-  , Brain(..)
-  , Brainless(..)
-  , brainVia
-  , Collision(..)
-  , Entity(..)
-  , SomeEntity(..)
-  , downcastEntity
-  , _SomeEntity
-  , entityIs
-    -- ** Vias
-  , Color(..)
-  , DrawNothing(..)
-  , DrawRawChar(..)
-  , DrawRawCharPriority(..)
-  , DrawCharacter(..)
-  , DrawStyledCharacter(..)
-  , DeriveEntity(..)
-    -- ** Field classes
-  , HasChar(..)
-  , HasStyle(..)
-
-    -- * Debug State
-  , DebugState(..)
-  , debugState
-  , allRevealed
-  ) where
---------------------------------------------------------------------------------
-import           Xanthous.Prelude
---------------------------------------------------------------------------------
-import           Data.List.NonEmpty ( NonEmpty((:|)))
-import qualified Data.List.NonEmpty as NonEmpty
-import           Data.Typeable
-import           Data.Coerce
-import           System.Random
-import           Test.QuickCheck
-import           Test.QuickCheck.Arbitrary.Generic
-import           Control.Monad.Random.Class
-import           Control.Monad.State
-import           Control.Monad.Trans.Control (MonadTransControl(..))
-import           Control.Monad.Trans.Compose
-import           Control.Monad.Morph (MFunctor(..))
-import           Brick (EventM, Widget, raw, str, emptyWidget)
-import           Data.Aeson (ToJSON(..), FromJSON(..), Value(Null))
-import qualified Data.Aeson as JSON
-import           Data.Aeson.Generic.DerivingVia
-import           Data.Generics.Product.Fields
-import qualified Graphics.Vty.Attributes as Vty
-import qualified Graphics.Vty.Image as Vty
---------------------------------------------------------------------------------
-import           Xanthous.Util (KnownBool(..))
-import           Xanthous.Util.QuickCheck (GenericArbitrary(..))
-import           Xanthous.Data
-import           Xanthous.Data.App
-import           Xanthous.Data.Levels
-import           Xanthous.Data.EntityMap (EntityMap, EntityID)
-import           Xanthous.Data.EntityChar
-import           Xanthous.Data.VectorBag
-import           Xanthous.Data.Entities
-import           Xanthous.Orphans ()
-import           Xanthous.Game.Prompt
-import           Xanthous.Game.Env
---------------------------------------------------------------------------------
-
-data MessageHistory
-  = MessageHistory
-  { _messages      :: Map Word (NonEmpty Text)
-  , _turn          :: Word
-  , _displayedTurn :: Maybe Word
-  }
-  deriving stock (Show, Eq, Generic)
-  deriving anyclass (NFData, CoArbitrary, Function)
-  deriving Arbitrary via GenericArbitrary MessageHistory
-  deriving (ToJSON, FromJSON)
-       via WithOptions '[ FieldLabelModifier '[Drop 1] ]
-           MessageHistory
-makeFieldsNoPrefix ''MessageHistory
-
-instance Semigroup MessageHistory where
-  (MessageHistory msgs₁ turn₁ dt₁) <> (MessageHistory msgs₂ turn₂ dt₂) =
-    MessageHistory (msgs₁ <> msgs₂) (max turn₁ turn₂) $ case (dt₁, dt₂) of
-      (_, Nothing)      -> Nothing
-      (Just t, _)       -> Just t
-      (Nothing, Just t) -> Just t
-
-instance Monoid MessageHistory where
-  mempty = MessageHistory mempty 0 Nothing
-
-type instance Element MessageHistory = [Text]
-instance MonoFunctor MessageHistory where
-  omap f mh@(MessageHistory _ t _) =
-    mh & messages . at t %~ (NonEmpty.nonEmpty . f . toList =<<)
-
-instance MonoComonad MessageHistory where
-  oextract (MessageHistory ms t dt) = maybe [] toList $ ms ^. at (fromMaybe t dt)
-  oextend cok mh@(MessageHistory _ t dt) =
-    mh & messages . at (fromMaybe t dt) .~ NonEmpty.nonEmpty (cok mh)
-
-pushMessage :: Text -> MessageHistory -> MessageHistory
-pushMessage msg mh@(MessageHistory _ turn' _) =
-  mh
-  & messages . at turn' %~ \case
-    Nothing -> Just $ msg :| mempty
-    Just msgs -> Just $ msg <| msgs
-  & displayedTurn .~ Nothing
-
-nextTurn :: MessageHistory -> MessageHistory
-nextTurn = (turn +~ 1) . (displayedTurn .~ Nothing)
-
-previousMessage :: MessageHistory -> MessageHistory
-previousMessage mh = mh & displayedTurn .~ maximumOf
-  (messages . ifolded . asIndex . filtered (< mh ^. turn))
-  mh
-
-
---------------------------------------------------------------------------------
-
-data GamePromptState m where
-  NoPrompt :: GamePromptState m
-  WaitingPrompt :: Text -> Prompt m -> GamePromptState m
-  deriving stock (Show, Generic)
-  deriving anyclass (NFData)
-
--- | Non-injective! We never try to serialize waiting prompts, since:
---
---  * they contain callback functions
---  * we can't save the game when in a prompt anyway
-instance ToJSON (GamePromptState m) where
-  toJSON _ = Null
-
--- | Always expects Null
-instance FromJSON (GamePromptState m) where
-  parseJSON Null = pure NoPrompt
-  parseJSON _ = fail "Invalid GamePromptState; expected null"
-
-instance CoArbitrary (GamePromptState m) where
-  coarbitrary NoPrompt = variant @Int 1
-  coarbitrary (WaitingPrompt txt _) = variant @Int 2 . coarbitrary txt
-
-instance Function (GamePromptState m) where
-  function = functionMap onlyNoPrompt (const NoPrompt)
-    where
-      onlyNoPrompt NoPrompt = ()
-      onlyNoPrompt (WaitingPrompt _ _) =
-        error "Can't handle prompts in Function!"
-
---------------------------------------------------------------------------------
-
-newtype AppT m a
-  = AppT { unAppT :: ReaderT GameEnv (StateT GameState m) a }
-  deriving ( Functor
-           , Applicative
-           , Monad
-           , MonadState GameState
-           , MonadReader GameEnv
-           , MonadIO
-           )
-       via (ReaderT GameEnv (StateT GameState m))
-  deriving ( MonadTrans
-           , MFunctor
-           )
-       via (ReaderT GameEnv `ComposeT` StateT GameState)
-
-type AppM = AppT (EventM ResourceName)
-
---------------------------------------------------------------------------------
-
-class Draw a where
-  drawWithNeighbors :: Neighbors (VectorBag SomeEntity) -> a -> Widget n
-  drawWithNeighbors = const draw
-
-  draw :: a -> Widget n
-  draw = drawWithNeighbors $ pure mempty
-
-  -- | higher priority gets drawn on top
-  drawPriority :: a -> Word
-  drawPriority = const minBound
-
-instance Draw a => Draw (Positioned a) where
-  drawWithNeighbors ns (Positioned _ a) = drawWithNeighbors ns a
-  draw (Positioned _ a) = draw a
-
-newtype DrawCharacter (char :: Symbol) (a :: Type) where
-  DrawCharacter :: a -> DrawCharacter char a
-
-instance KnownSymbol char => Draw (DrawCharacter char a) where
-  draw _ = str $ symbolVal @char Proxy
-
-data Color = Black | Red | Green | Yellow | Blue | Magenta | Cyan | White
-
-class KnownColor (color :: Color) where
-  colorVal :: forall proxy. proxy color -> Vty.Color
-
-instance KnownColor 'Black where colorVal _ = Vty.black
-instance KnownColor 'Red where colorVal _ = Vty.red
-instance KnownColor 'Green where colorVal _ = Vty.green
-instance KnownColor 'Yellow where colorVal _ = Vty.yellow
-instance KnownColor 'Blue where colorVal _ = Vty.blue
-instance KnownColor 'Magenta where colorVal _ = Vty.magenta
-instance KnownColor 'Cyan where colorVal _ = Vty.cyan
-instance KnownColor 'White where colorVal _ = Vty.white
-
-class KnownMaybeColor (maybeColor :: Maybe Color) where
-  maybeColorVal :: forall proxy. proxy maybeColor -> Maybe Vty.Color
-
-instance KnownMaybeColor 'Nothing where maybeColorVal _ = Nothing
-instance KnownColor color => KnownMaybeColor ('Just color) where
-  maybeColorVal _ = Just $ colorVal @color Proxy
-
-newtype DrawStyledCharacter (fg :: Maybe Color) (bg :: Maybe Color) (char :: Symbol) (a :: Type) where
-  DrawStyledCharacter :: a -> DrawStyledCharacter fg bg char a
-
-instance
-  ( KnownMaybeColor fg
-  , KnownMaybeColor bg
-  , KnownSymbol char
-  )
-  => Draw (DrawStyledCharacter fg bg char a) where
-  draw _ = raw $ Vty.string attr $ symbolVal @char Proxy
-    where attr = Vty.Attr
-            { Vty.attrStyle = Vty.Default
-            , Vty.attrForeColor = maybe Vty.Default Vty.SetTo
-                                  $ maybeColorVal @fg Proxy
-            , Vty.attrBackColor = maybe Vty.Default Vty.SetTo
-                                  $ maybeColorVal @bg Proxy
-            , Vty.attrURL = Vty.Default
-            }
-
-instance Draw EntityChar where
-  draw EntityChar{..} = raw $ Vty.string _style [_char]
-
---------------------------------------------------------------------------------
-
-newtype DrawNothing (a :: Type) = DrawNothing a
-
-instance Draw (DrawNothing a) where
-  draw = const emptyWidget
-  drawPriority = const 0
-
-newtype DrawRawChar (rawField :: Symbol) (a :: Type) = DrawRawChar a
-
-instance
-  forall rawField a raw.
-  ( HasField rawField a a raw raw
-  , HasChar raw EntityChar
-  ) => Draw (DrawRawChar rawField a) where
-  draw (DrawRawChar e) = draw $ e ^. field @rawField . char
-
-newtype DrawRawCharPriority
-  (rawField :: Symbol)
-  (priority :: Nat)
-  (a :: Type)
-  = DrawRawCharPriority a
-
-instance
-  forall rawField priority a raw.
-  ( HasField rawField a a raw raw
-  , KnownNat priority
-  , HasChar raw EntityChar
-  ) => Draw (DrawRawCharPriority rawField priority a) where
-  draw (DrawRawCharPriority e) = draw $ e ^. field @rawField . char
-  drawPriority = const . fromIntegral $ natVal @priority Proxy
-
-
---------------------------------------------------------------------------------
-
-class Brain a where
-  step :: Ticks -> Positioned a -> AppM (Positioned a)
-  -- | Does this entity ever move on its own?
-  entityCanMove :: a -> Bool
-  entityCanMove = const False
-
-newtype Brainless a = Brainless a
-
-instance Brain (Brainless a) where
-  step = const pure
-
--- | Workaround for the inability to use DerivingVia on Brain due to the lack of
--- higher-order roles (specifically AppT not having its last type argument have
--- role representational bc of StateT)
-brainVia
-  :: forall brain entity. (Coercible entity brain, Brain brain)
-  => (entity -> brain) -- ^ constructor, ignored
-  -> (Ticks -> Positioned entity -> AppM (Positioned entity))
-brainVia _ ticks = fmap coerce . step ticks . coerce @_ @(Positioned brain)
-
---------------------------------------------------------------------------------
-
-class ( Show a, Eq a, Ord a, NFData a
-      , ToJSON a, FromJSON a
-      , Draw a, Brain a
-      ) => Entity a where
-  entityAttributes :: a -> EntityAttributes
-  entityAttributes = const defaultEntityAttributes
-  description :: a -> Text
-  entityChar :: a -> EntityChar
-  entityCollision :: a -> Maybe Collision
-  entityCollision = const $ Just Stop
-
-data SomeEntity where
-  SomeEntity :: forall a. (Entity a, Typeable a) => a -> SomeEntity
-
-instance Show SomeEntity where
-  show (SomeEntity e) = "SomeEntity (" <> show e <> ")"
-
-instance Eq SomeEntity where
-  (SomeEntity (a :: ea)) == (SomeEntity (b :: eb)) = case eqT @ea @eb of
-    Just Refl -> a == b
-    _ -> False
-
-instance Ord SomeEntity where
-  compare (SomeEntity (a :: ea)) (SomeEntity (b :: eb)) = case eqT @ea @eb of
-    Just Refl -> compare a b
-    _ -> compare (typeRep $ Proxy @ea) (typeRep $ Proxy @eb)
-
-
-instance NFData SomeEntity where
-  rnf (SomeEntity ent) = ent `deepseq` ()
-
-instance ToJSON SomeEntity where
-  toJSON (SomeEntity ent) = entityToJSON ent
-    where
-      entityToJSON :: forall entity. (Entity entity, Typeable entity)
-                   => entity -> JSON.Value
-      entityToJSON entity = JSON.object
-        [ "type" JSON..= tshow (typeRep @_ @entity Proxy)
-        , "data" JSON..= toJSON entity
-        ]
-
-instance Draw SomeEntity where
-  drawWithNeighbors ns (SomeEntity ent) = drawWithNeighbors ns ent
-  drawPriority (SomeEntity ent) = drawPriority ent
-
-instance Brain SomeEntity where
-  step ticks (Positioned p (SomeEntity ent)) =
-    fmap SomeEntity <$> step ticks (Positioned p ent)
-  entityCanMove (SomeEntity ent) = entityCanMove ent
-
-downcastEntity :: forall (a :: Type). (Typeable a) => SomeEntity -> Maybe a
-downcastEntity (SomeEntity e) = cast e
-
-entityIs :: forall (a :: Type). (Typeable a) => SomeEntity -> Bool
-entityIs = isJust . downcastEntity @a
-
-_SomeEntity :: forall a. (Entity a, Typeable a) => Prism' SomeEntity a
-_SomeEntity = prism' SomeEntity downcastEntity
-
-newtype DeriveEntity
-  (blocksVision :: Bool)
-  (description :: Symbol)
-  (entityChar :: Symbol)
-  (entity :: Type)
-  = DeriveEntity entity
-  deriving newtype (Show, Eq, Ord, NFData, ToJSON, FromJSON, Draw)
-
-instance Brain entity => Brain (DeriveEntity b d c entity) where
-  step = brainVia $ \(DeriveEntity e) -> e
-
-instance
-  ( KnownBool blocksVision
-  , KnownSymbol description
-  , KnownSymbol entityChar
-  , Show entity, Eq entity, Ord entity, NFData entity
-  , ToJSON entity, FromJSON entity
-  , Draw entity, Brain entity
-  )
-  => Entity (DeriveEntity blocksVision description entityChar entity) where
-  entityAttributes _ = defaultEntityAttributes
-    & blocksVision .~ boolVal @blocksVision
-  description _ = pack . symbolVal $ Proxy @description
-  entityChar _ = fromString . symbolVal $ Proxy @entityChar
-
---------------------------------------------------------------------------------
-
-data GameLevel = GameLevel
-  { _levelEntities :: !(EntityMap SomeEntity)
-  , _upStaircasePosition :: !Position
-  , _levelRevealedPositions :: !(Set Position)
-  }
-  deriving stock (Show, Eq, Generic)
-  deriving anyclass (NFData)
-  deriving (ToJSON)
-       via WithOptions '[ FieldLabelModifier '[Drop 1] ]
-           GameLevel
-
---------------------------------------------------------------------------------
-
-data Autocommand
-  = AutoMove Direction
-  deriving stock (Show, Eq, Ord, Generic)
-  deriving anyclass (NFData, Hashable, ToJSON, FromJSON, CoArbitrary, Function)
-  deriving Arbitrary via GenericArbitrary Autocommand
-{-# ANN module ("HLint: ignore Use newtype instead of data" :: String) #-}
-
-data AutocommandState
-  = NoAutocommand
-  | ActiveAutocommand Autocommand (Async ())
-  deriving stock (Eq, Ord, Generic)
-  deriving anyclass (Hashable)
-
-instance Show AutocommandState where
-  show NoAutocommand = "NoAutocommand"
-  show (ActiveAutocommand ac _) =
-    "(ActiveAutocommand " <> show ac <> " <Async>)"
-
-instance ToJSON AutocommandState where
-  toJSON = const Null
-
-instance FromJSON AutocommandState where
-  parseJSON Null = pure NoAutocommand
-  parseJSON _ = fail "Invalid AutocommandState; expected null"
-
-instance NFData AutocommandState where
-  rnf NoAutocommand = ()
-  rnf (ActiveAutocommand ac t) = ac `deepseq` t `seq` ()
-
-instance CoArbitrary AutocommandState where
-  coarbitrary NoAutocommand = variant @Int 1
-  coarbitrary (ActiveAutocommand ac t)
-    = variant @Int 2
-    . coarbitrary ac
-    . coarbitrary (hash t)
-
-instance Function AutocommandState where
-  function = functionMap onlyNoAC (const NoAutocommand)
-    where
-      onlyNoAC NoAutocommand = ()
-      onlyNoAC _ = error "Can't handle autocommands in Function"
-
---------------------------------------------------------------------------------
-
-
-data DebugState = DebugState
-  { _allRevealed :: !Bool
-  }
-  deriving stock (Show, Eq, Generic)
-  deriving anyclass (NFData, CoArbitrary, Function)
-  deriving (ToJSON, FromJSON)
-       via WithOptions '[ FieldLabelModifier '[Drop 1] ]
-           DebugState
-{-# ANN DebugState ("HLint: ignore Use newtype instead of data" :: String) #-}
-
-instance Arbitrary DebugState where
-  arbitrary = genericArbitrary
-
-data GameState = GameState
-  { _levels            :: !(Levels GameLevel)
-  , _characterEntityID :: !EntityID
-  , _messageHistory    :: !MessageHistory
-  , _randomGen         :: !StdGen
-
-    -- | The active panel displayed in the UI, if any
-  , _activePanel       :: !(Maybe Panel)
-
-  , _promptState       :: !(GamePromptState AppM)
-  , _debugState        :: !DebugState
-  , _autocommand       :: !AutocommandState
-  }
-  deriving stock (Show, Generic)
-  deriving anyclass (NFData)
-  deriving (ToJSON)
-       via WithOptions '[ FieldLabelModifier '[Drop 1] ]
-           GameState
-
-makeLenses ''GameLevel
-makeLenses ''GameState
-
-entities :: Lens' GameState (EntityMap SomeEntity)
-entities = levels . current . levelEntities
-
-revealedPositions :: Lens' GameState (Set Position)
-revealedPositions = levels . current . levelRevealedPositions
-
-instance Eq GameState where
-  (==) = (==) `on` \gs ->
-    ( gs ^. entities
-    , gs ^. revealedPositions
-    , gs ^. characterEntityID
-    , gs ^. messageHistory
-    , gs ^. activePanel
-    , gs ^. debugState
-    )
-
---------------------------------------------------------------------------------
-
-runAppT :: Monad m => AppT m a -> GameEnv -> GameState -> m (a, GameState)
-runAppT appt env initialState
-  = flip runStateT initialState
-  . flip runReaderT env
-  . unAppT
-  $ appt
-
-instance (Monad m) => MonadRandom (AppT m) where
-  getRandomR rng = randomGen %%= randomR rng
-  getRandom = randomGen %%= random
-  getRandomRs rng = uses randomGen $ randomRs rng
-  getRandoms = uses randomGen randoms
-
-instance MonadTransControl AppT where
-  type StT AppT a = (a, GameState)
-  liftWith f
-    = AppT
-    . ReaderT $ \e
-    -> StateT $ \s
-    -> (,s) <$> f (\action -> runAppT action e s)
-  restoreT = AppT . ReaderT . const . StateT . const
-
---------------------------------------------------------------------------------
-
-makeLenses ''DebugState
-makePrisms ''AutocommandState