module Game.LambdaHack.Msg
( makePhrase, makeSentence
, Msg, (<>), (<+>), showT, moreMsg, yesnoMsg, padMsg
, Report, emptyReport, nullReport, singletonReport, addMsg
, splitReport, renderReport
, History, emptyHistory, singletonHistory, addReport, renderHistory
, takeHistory
, Overlay, splitOverlay, stringByLocation
) where
import qualified Data.List as L
import Data.Char
import Data.Binary
import qualified Data.ByteString.Char8 as BS
import qualified Data.IntMap as IM
import Data.Text (Text)
import qualified Data.Text as T
import Data.Text.Encoding (decodeUtf8, encodeUtf8)
import NLP.Miniutter.English ((<>), (<+>), showT)
import qualified NLP.Miniutter.English as MU
import Game.LambdaHack.Misc
import Game.LambdaHack.PointXY
makePhrase, makeSentence :: [MU.Part] -> Text
makePhrase = MU.makePhrase MU.defIrregular
makeSentence = MU.makeSentence MU.defIrregular
type Msg = Text
instance Binary Text where
put = put . encodeUtf8
get = decodeUtf8 `fmap` get
moreMsg :: Msg
moreMsg = "--more-- "
yesnoMsg :: Msg
yesnoMsg = "[yn]"
padMsg :: X -> Text -> Text
padMsg w xs =
let len = T.length xs
in case compare w len of
LT -> T.snoc (T.take (w 1) xs) '$'
EQ -> xs
GT -> if T.null xs || T.last xs == ' '
then xs
else T.snoc xs ' '
newtype Report = Report [(BS.ByteString, Int)]
deriving Show
instance Binary Report where
put (Report x) = put x
get = fmap Report get
emptyReport :: Report
emptyReport = Report []
nullReport :: Report -> Bool
nullReport (Report l) = null l
singletonReport :: Msg -> Report
singletonReport m = addMsg emptyReport m
addMsg :: Report -> Msg -> Report
addMsg r m | T.null m = r
addMsg (Report ((x, n) : xns)) y' | x == y =
Report $ (y, n + 1) : xns
where y = encodeUtf8 y'
addMsg (Report xns) y = Report $ (encodeUtf8 y, 1) : xns
splitReport :: Report -> [Text]
splitReport r =
let w = fst normalLevelBound + 1
in splitText w $ renderReport r
renderReport ::Report -> Text
renderReport (Report []) = T.empty
renderReport (Report (xn : xs)) =
renderReport (Report xs) <+> renderRepetition xn
renderRepetition :: (BS.ByteString, Int) -> Text
renderRepetition (s, 1) = decodeUtf8 s
renderRepetition (s, n) = decodeUtf8 s <> "<x" <> showT n <> ">"
splitText :: X -> Text -> [Text]
splitText w xs = splitText' w $ T.dropWhile isSpace xs
splitText' :: X -> Text -> [Text]
splitText' w xs
| w <= 0 = [xs]
| w >= T.length xs = [xs]
| otherwise =
let (pre, post) = T.splitAt w xs
(ppre, ppost) = T.break (`elem` " .,:;!?") $ T.reverse pre
testPost = T.dropWhile isSpace ppost
in if T.null testPost
then pre : splitText w post
else T.reverse ppost : splitText w (T.reverse ppre <> post)
newtype History = History [Report]
deriving Show
instance Binary History where
put (History x) = put x
get = fmap History get
emptyHistory :: History
emptyHistory = History []
singletonHistory :: Report -> History
singletonHistory r = addReport r emptyHistory
renderHistory :: History -> Overlay
renderHistory (History h) = L.concatMap splitReport h
addReport :: Report -> History -> History
addReport (Report []) h = h
addReport m (History []) = History [m]
addReport (Report m) (History (Report h : hs)) =
case (reverse m, h) of
((s1, n1) : rs, (s2, n2) : hhs) | s1 == s2 ->
let hist = Report ((s2, n1 + n2) : hhs) : hs
in History $ if null rs then hist else Report (reverse rs) : hist
_ -> History $ Report m : Report h : hs
takeHistory :: Int -> History -> History
takeHistory k (History h) = History $ take k h
type Overlay = [Text]
splitOverlay :: Y -> Overlay -> [Overlay]
splitOverlay _ [] = []
splitOverlay lysize ls | length ls <= lysize = [ls]
splitOverlay lysize ls = let (pre, post) = splitAt (lysize 1) ls
in pre : splitOverlay lysize post
stringByLocation :: X -> Y -> Overlay
-> (Text, PointXY -> Maybe Char, Maybe Text)
stringByLocation _ _ [] = (T.empty, const Nothing, Nothing)
stringByLocation lxsize lysize (msgTop : ls) =
let over = map (padMsg lxsize) $ take lysize ls
m = IM.fromDistinctAscList $
zip [0..] (L.map (IM.fromList . zip [0..] . T.unpack) over)
msgBottom = case drop lysize ls of
[] -> Nothing
s : _ -> Just s
in (msgTop,
\ (PointXY (x, y)) -> IM.lookup y m >>= \ n -> IM.lookup x n,
msgBottom)