93 lines
2.4 KiB
Haskell
93 lines
2.4 KiB
Haskell
{-# LANGUAGE ForeignFunctionInterface #-}
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module Init where
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import Affection as A
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import NanoVG hiding (V2(..), V3(..))
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import NanoVG.Internal.Image (ImageFlags(..))
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import Codec.Picture as CP
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import Codec.Picture.Extra
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import Control.Concurrent.STM
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import Control.Concurrent.MVar
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import Data.String
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import qualified Data.Set as S
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import qualified Data.Map.Strict as M
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import Data.ByteString.Lazy (toStrict)
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import System.Exit (exitFailure)
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import Foreign.C.Types (CInt(..))
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import Types
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foreign import ccall unsafe "glewInit"
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glewInit :: IO CInt
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init :: IO UserData
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init = do
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subs <- Subsystems
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<$> (SubWindow <$> newTVarIO [])
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<*> (SubMouse <$> newTVarIO [])
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<*> (SubKeyboard <$> newTVarIO [])
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<*> (SubJoypad <$> newTVarIO [])
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<*> (SubTranslator <$> newTVarIO [])
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_ <- glewInit
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nvg <- createGL3 (S.fromList [NanoVG.Debug, Antialias, StencilStrokes])
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UserData
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<$> newMVar Load
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<*> pure subs
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<*> newMVar M.empty
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<*> newMVar M.empty
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<*> newMVar M.empty
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<*> newMVar M.empty
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<*> newMVar NoController
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<*> newMVar NoTranslation
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<*> pure nvg
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<*> newMVar []
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<*> newEmptyMVar
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<*> newMVar None
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<*> newEmptyMVar
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<*> newMVar (0, "foobar!")
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<*> newMVar Nothing
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<*> newMVar Nothing
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<*> newMVar []
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<*> newEmptyMVar
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loadPlayerSprite
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:: FilePath -- Path to spritemap
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-> Int -- width of single sprite
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-> Int -- height of single sprite
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-> Context -- Nanovg context
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-> [(Int, [ImgId])] -- [(picture row, Image IDs)]
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-> IO [(ImgId, NanoVG.Image)]
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loadPlayerSprite fp w h nvg rids = do
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eimg <- readImage fp
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case eimg of
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Left err -> do
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logIO Error (fromString err)
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exitFailure
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Right dimg -> do
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let img = convertRGBA8 dimg
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ret <- mapM (\(row, ids) ->
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mapM (\(num, i) -> do
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let cr = crop (num * w) (row * h) w h img
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mresimg <-
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createImageMem nvg ImagePremultiplied (toStrict $ encodePng cr)
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case mresimg of
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Nothing -> do
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logIO
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Error
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("Failed to load: " <>
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fromString fp <>
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" " <>
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fromString (show i)
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)
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exitFailure
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Just resimg -> return (i, resimg)
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) (zip [0..] ids)
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) rids
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return $ concat ret
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