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Diffstat (limited to 'users/aspen/xanthous/src/Xanthous/Game/Prompt.hs')
| -rw-r--r-- | users/aspen/xanthous/src/Xanthous/Game/Prompt.hs | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/users/aspen/xanthous/src/Xanthous/Game/Prompt.hs b/users/aspen/xanthous/src/Xanthous/Game/Prompt.hs new file mode 100644 index 0000000000..2d6c0a280f --- /dev/null +++ b/users/aspen/xanthous/src/Xanthous/Game/Prompt.hs @@ -0,0 +1,359 @@ +{-# LANGUAGE DeriveFunctor #-} +{-# LANGUAGE UndecidableInstances #-} +{-# LANGUAGE StandaloneDeriving #-} +{-# LANGUAGE GADTs #-} +-------------------------------------------------------------------------------- +module Xanthous.Game.Prompt + ( PromptType(..) + , SPromptType(..) + , SingPromptType(..) + , PromptCancellable(..) + , PromptResult(..) + , PromptState(..) + , promptStatePosition + , MenuOption(..) + , mkMenuItems + , PromptInput + , Prompt(..) + , mkPrompt + , mkStringPrompt + , mkStringPromptWithDefault + , mkMenu + , mkPointOnMapPrompt + , mkFirePrompt + , 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, AlphaChar (..)) +import Xanthous.Data (Direction, Position, Tiles) +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 + -- | Throw an item or fire a projectile weapon. Prompt is to select the + -- direction + Fire :: 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" + show Fire = "Fire" + +data SPromptType :: PromptType -> Type where + SStringPrompt :: SPromptType 'StringPrompt + SConfirm :: SPromptType 'Confirm + SMenu :: SPromptType ('Menu a) + SDirectionPrompt :: SPromptType 'DirectionPrompt + SPointOnMap :: SPromptType 'PointOnMap + SContinue :: SPromptType 'Continue + SFire :: SPromptType 'Fire + +instance NFData (SPromptType pt) where + rnf SStringPrompt = () + rnf SConfirm = () + rnf SMenu = () + rnf SDirectionPrompt = () + rnf SPointOnMap = () + rnf SContinue = () + rnf SFire = () + +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 SingPromptType 'Fire where singPromptType = SFire + +instance Show (SPromptType pt) where + show SStringPrompt = "SStringPrompt" + show SConfirm = "SConfirm" + show SMenu = "SMenu" + show SDirectionPrompt = "SDirectionPrompt" + show SPointOnMap = "SPointOnMap" + show SContinue = "SContinue" + show SFire = "SFire" + +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 + FireResult :: Position -> PromptResult 'Fire + 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 <$> arbitrary + +instance Arbitrary (PromptResult 'Continue) where + arbitrary = pure ContinueResult + +instance Arbitrary (PromptResult 'Fire) where + arbitrary = FireResult <$> arbitrary + +-------------------------------------------------------------------------------- + +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 + FirePromptState :: Position -> PromptState 'Fire + +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` () + rnf fps@(FirePromptState pos) = fps `deepseq` pos `deepseq` () + +instance Arbitrary (PromptState 'StringPrompt) where + arbitrary = StringPromptState <$> arbitrary + +instance Arbitrary (PromptState 'DirectionPrompt) where + arbitrary = pure DirectionPromptState + +instance Arbitrary (PromptState 'Continue) where + arbitrary = pure ContinuePromptState + +instance Arbitrary (PromptState ('Menu a)) where + arbitrary = pure MenuPromptState + +instance Arbitrary (PromptState 'Fire) where + arbitrary = FirePromptState <$> arbitrary + +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 () + +instance CoArbitrary (PromptState 'Fire) where + coarbitrary (FirePromptState pos) = coarbitrary pos + +deriving stock instance Show (PromptState pt) + +-- | Traversal over the position for the prompt types with positions in their +-- prompt state (currently 'Fire' and 'PointOnMap') +promptStatePosition :: forall pt. Traversal' (PromptState pt) Position +promptStatePosition _ ps@(StringPromptState _) = pure ps +promptStatePosition _ DirectionPromptState = pure DirectionPromptState +promptStatePosition _ ContinuePromptState = pure ContinuePromptState +promptStatePosition _ ConfirmPromptState = pure ConfirmPromptState +promptStatePosition _ MenuPromptState = pure MenuPromptState +promptStatePosition f (PointOnMapPromptState p) = PointOnMapPromptState <$> f p +promptStatePosition f (FirePromptState p) = FirePromptState <$> f p + +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 getAlphaChar . smallestNotIn . map AlphaChar $ 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 'Fire = (Position, Tiles) -- Nearest enemy, range + PromptInput 'StringPrompt = Maybe Text -- Default value + 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) + coarbitrary (Prompt c SFire ps pri cb) = + variant @Int 7 . 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 -- ^ Is the prompt cancellable or not? + -> SPromptType pt -- ^ The type of the prompt + -> (PromptResult pt -> m ()) -- ^ Function to call when the prompt is complete + -> Prompt m +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 + +mkStringPrompt + :: PromptCancellable -- ^ Is the prompt cancellable or not? + -> (PromptResult 'StringPrompt -> m ()) -- ^ Function to call when the prompt is complete + -> Prompt m +mkStringPrompt c = + let ps = StringPromptState $ editorText Resource.Prompt (Just 1) "" + in Prompt c SStringPrompt ps Nothing + +mkStringPromptWithDefault + :: PromptCancellable -- ^ Is the prompt cancellable or not? + -> Text -- ^ Default value for the prompt + -> (PromptResult 'StringPrompt -> m ()) -- ^ Function to call when the prompt is complete + -> Prompt m +mkStringPromptWithDefault c def = + let ps = StringPromptState $ editorText Resource.Prompt (Just 1) "" + in Prompt c SStringPrompt ps (Just def) + +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 + +mkFirePrompt + :: PromptCancellable + -> Position -- ^ Initial position + -> Tiles -- ^ Range + -> (PromptResult 'Fire -> m ()) + -> Prompt m +mkFirePrompt c pos range = Prompt c SFire (FirePromptState pos) (pos, range) + +isCancellable :: Prompt m -> Bool +isCancellable (Prompt Cancellable _ _ _ _) = True +isCancellable (Prompt Uncancellable _ _ _ _) = False + +submitPrompt :: Applicative m => Prompt m -> m () +submitPrompt (Prompt _ pt ps pri cb) = + case (pt, ps, pri) of + (SStringPrompt, StringPromptState edit, mDef) -> + let inputVal = mconcat . getEditContents $ edit + val | null inputVal, Just def <- mDef = def + | otherwise = inputVal + in cb $ StringResult val + (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 + (SFire, FirePromptState pos, _) -> + cb $ FireResult pos |