Files
loop/src/Dodge/Save.hs
T

72 lines
2.3 KiB
Haskell

module Dodge.Save (
saveWorldInEmptySlot,
loadSaveSlot,
doQuicksave,
saveLevelStartSlot,
writeSaveSlot,
readSaveSlot,
) where
import Control.Lens
import Data.Aeson
import qualified Data.Aeson.Encode.Pretty as AEP
import qualified Data.ByteString.Lazy as BS
import qualified Data.Map.Strict as M
import Dodge.Data.Universe
--import qualified Data.Set as S
import System.Directory
writeSaveSlot :: SaveSlot -> Universe -> IO ()
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)
--writeFile (saveSlotPath ss) (show $ u ^. uvWorld . cWorld)
readSaveSlot :: SaveSlot -> Universe -> IO Universe
readSaveSlot ss uv = do
fExists <- doesFileExist $ saveSlotPath ss
if fExists
then do
--cwstr <- readFile $ saveSlotPath ss
--case readMaybe cwstr of
cwstr <- decodeFileStrict $ saveSlotPath ss
case cwstr of
Nothing -> putStrLn "loadSaveSlot failed to read saved file" >> return uv
Just cw -> return $ uv & uvWorld . cWorld .~ cw
else putStrLn "loadSaveSlot failed to find saved file" >> return uv
saveSlotPath :: SaveSlot -> String
saveSlotPath (SaveSlotNum i) = "saveSlot/" ++ show i
saveSlotPath QuicksaveSlot = "saveSlot/QuickSave"
saveSlotPath LevelStartSlot = "saveSlot/LevelStartSave"
saveWorldInEmptySlot :: SaveSlot -> Universe -> Universe
saveWorldInEmptySlot slot w = case M.lookup slot $ _savedWorlds w of
Nothing -> w & savedWorlds %~ M.insert slot (clearKeys (_uvWorld w))
_ -> w
saveWorldInSlot :: SaveSlot -> Universe -> Universe
saveWorldInSlot slot u = u & savedWorlds %~ M.insert slot (clearKeys (_uvWorld u))
loadSaveSlot :: SaveSlot -> Universe -> Universe
loadSaveSlot slot u =
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) . )