Files
loop/src/Dodge/Save.hs
T
2022-08-16 16:02:09 +01:00

74 lines
2.3 KiB
Haskell

module Dodge.Save (
saveWorldInSlot,
loadSaveSlot,
doQuicksave,
-- saveLevelStartSlot,
writeSaveSlot,
readSaveSlot,
reloadLevelStart,
) where
import Control.Lens
import Dodge.Data.SaveSlot
import Data.Aeson
import qualified Data.Aeson.Encode.Pretty as AEP
import qualified Data.ByteString.Lazy as BS
import Dodge.Data.Universe
--import qualified Data.Set as S
import System.Directory
writeSaveSlot :: SaveSlot -> Universe -> IO (Universe -> Universe)
writeSaveSlot ss u = do
createDirectoryIfMissing True "saveSlot"
BS.writeFile (saveSlotPath ss) $
AEP.encodePretty'
(AEP.Config (AEP.Spaces 2) compare AEP.Generic False)
(u ^. uvWorld . cWorld)
return id
--writeFile (saveSlotPath ss) (show $ u ^. uvWorld . cWorld)
readSaveSlot :: SaveSlot -> IO (Universe -> Universe)
readSaveSlot ss = do
fExists <- doesFileExist $ saveSlotPath ss
if fExists
then do
cwstr <- decodeFileStrict $ saveSlotPath ss
case cwstr of
Nothing -> putStrLn "loadSaveSlot failed to read saved file" >> return id
Just cw -> return $ \uv -> uv & uvWorld . cWorld .~ cw
else putStrLn "loadSaveSlot failed to find saved file" >> return id
saveSlotPath :: SaveSlot -> String
saveSlotPath (SaveSlotNum i) = "saveSlot/" ++ show i
saveSlotPath QuicksaveSlot = "saveSlot/QuickSave"
saveSlotPath (LevelStartSlot i) = "saveSlot/LevelStart" ++ show i
saveWorldInSlot :: SaveSlot -> Universe -> Universe
saveWorldInSlot slot u = u & uvConcEffects ?~
writeSaveSlot slot u
reloadLevelStart :: Universe -> Universe
reloadLevelStart u = case u ^. uvWorld . gameSlot of
GameNum i -> loadSaveSlot (LevelStartSlot i) u
_ -> u
loadSaveSlot :: SaveSlot -> Universe -> Universe
loadSaveSlot slot = (uvConcEffects ?~ readSaveSlot slot)
. (uvWorld . gameSlot .~ GameLoading slot)
-- maybe
-- u
-- (\w -> u & menuLayers .~ [] & uvWorld .~ w)
-- $ M.lookup slot (_savedWorlds u)
doQuicksave :: Universe -> Universe
doQuicksave = saveWorldInSlot QuicksaveSlot
--clearKeys :: World -> World
--clearKeys = (keys .~ mempty) . (mouseButtons .~ mempty)
--saveLevelStartSlot :: Universe -> Universe
----saveLevelStartSlot = id
--saveLevelStartSlot = saveWorldInSlot LevelStartSlot
--saveLevelStartSlot = sideEffects %~ (fmap (undefined) . )