tracer/src/Init.hs

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{-# LANGUAGE ForeignFunctionInterface #-}
module Init where
import Affection as A
import SDL (($=))
import qualified SDL
import qualified Graphics.Rendering.OpenGL as GL
import NanoVG hiding (V2(..), V3(..))
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import NanoVG.Internal.Image (ImageFlags(..))
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import Linear hiding (E(..))
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import Codec.Picture as CP
import Codec.Picture.Extra
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import Control.Monad (when)
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import Control.Monad.IO.Class (liftIO)
import Control.Concurrent.STM
import qualified Data.Set as S
import qualified Data.Map.Strict as M
import Data.Ecstasy
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import Data.Maybe
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import Data.ByteString.Lazy (toStrict)
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import System.Exit (exitFailure)
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import Foreign.C.Types (CInt(..))
import Types
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import Floorplan
import Debug.Trace
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foreign import ccall unsafe "glewInit"
glewInit :: IO CInt
load :: IO UserData
load = do
_ <- glewInit
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nvg <- createGL3 (S.fromList [Antialias, StencilStrokes])
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subs <- Subsystems
<$> (Window <$> newTVarIO [])
<*> (Mouse <$> newTVarIO [])
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(ws, _) <- yieldSystemT (0, defStorage) (return ())
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mwallasc <- createImage nvg (FileName "assets/walls/wall_asc.png") 0
mwalldesc <- createImage nvg (FileName "assets/walls/wall_desc.png") 0
mwallcornern <- createImage nvg (FileName "assets/walls/wall_corner_n.png") 0
mwallcornere <- createImage nvg (FileName "assets/walls/wall_corner_e.png") 0
mwallcorners <- createImage nvg (FileName "assets/walls/wall_corner_s.png") 0
mwallcornerw <- createImage nvg (FileName "assets/walls/wall_corner_w.png") 0
mwalltne <- createImage nvg (FileName "assets/walls/wall_t_ne.png") 0
mwalltse <- createImage nvg (FileName "assets/walls/wall_t_se.png") 0
mwalltsw <- createImage nvg (FileName "assets/walls/wall_t_sw.png") 0
mwalltnw <- createImage nvg (FileName "assets/walls/wall_t_nw.png") 0
mwallcross <- createImage nvg (FileName "assets/walls/wall_cross.png") 0
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mmiscbox1 <- createImage nvg (FileName "assets/misc/box1.png") 0
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mmisctable1 <- createImage nvg (FileName "assets/misc/table1.png") 0
mmisctable2 <- createImage nvg (FileName "assets/misc/table2.png") 0
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mmisctable3 <- createImage nvg (FileName "assets/misc/table3.png") 0
mmisctable4 <- createImage nvg (FileName "assets/misc/table4.png") 0
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mmisctableC <- createImage nvg (FileName "assets/misc/tableCorner.png") 0
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_ <- createFont nvg "bedstead"
(FileName "assets/font/Bedstead-Semicondensed.ttf")
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let mimgs = [ mwallasc, mwalldesc,
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mwallcornern, mwallcornere, mwallcorners, mwallcornerw,
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mwalltne, mwalltse, mwalltsw, mwalltnw, mwallcross,
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mmiscbox1,
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mmisctable1, mmisctable2, mmisctable3, mmisctable4, mmisctableC
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]
when (any isNothing mimgs) $ do
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logIO Error "Failed to load image assets"
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exitFailure
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-- playerImgs <- loadPlayerSprite "assets/intruder.png" 64 74 nvg
-- (zipWith (\a b -> (a, [b])) [0..] $ [ImgIntrE .. ImgIntrN] ++ [ImgIntrNE])
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let imgs = zipWith (\a b -> (a, fromJust b)) [ImgWallAsc ..] mimgs
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directions = [E .. N] ++ [NE]
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standIds = map (AnimId 0 "standing") directions
walkIds = map (AnimId 0 "walking") directions
standConfigs = map
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(\i -> AnimationConfig (0, i * 74) (64, 74) 1 0 APLoop)
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[0 .. length standIds - 1]
walkConfigs = map
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(\i -> AnimationConfig (64, i * 74) (64, 74) 6 1.5 APLoop)
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[0 .. length walkIds - 1]
playerStanding <- loadAnimationSprites "assets/intruder.png" nvg
(zip standIds standConfigs)
playerWalking <- loadAnimationSprites "assets/intruder.png" nvg
(zip walkIds walkConfigs)
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return UserData
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{ state = Menu
, subsystems = subs
, assetImages = M.fromList imgs
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, assetAnimations = M.fromList
(playerStanding ++ playerWalking)
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, assetFonts = M.fromList
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[ (FontBedstead, "bedstead")
]
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, nano = nvg
, uuid = []
, worldState = ws
, stateData = None
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}
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loadAnimationSprites
:: FilePath -- Path to Sprite map
-> Context -- NanoVG context
-> [(AnimId, AnimationConfig)]
-> IO [(AnimId, Animation)]
loadAnimationSprites fp nvg idconfs = do
eimg <- readImage fp
case eimg of
Left err -> do
logIO Error err
exitFailure
Right dimg -> do
let img = convertRGBA8 dimg
mapM
(\(id, (AnimationConfig (xoffs, yoffs) (w, h) count dur pb)) -> do
let crs = map
(\i -> crop (xoffs + (i * w)) yoffs w h img)
[0 .. (count - 1)]
mresimgs <- mapM
(\cr ->
createImageMem nvg (ImagePremultiplied) (toStrict $ encodePng cr))
crs
imgs <- if any isNothing mresimgs
then do
logIO Error ("failed to load: " ++ fp ++ " " ++ show id)
exitFailure
else
return $ catMaybes mresimgs
return $
( id
, Animation dur imgs pb
)
) idconfs
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loadPlayerSprite
:: FilePath -- Path to spritemap
-> Int -- width of single sprite
-> Int -- height of single sprite
-> Context -- Nanovg context
-> [(Int, [ImgId])] -- [(picture row, Image IDs)]
-> IO [(ImgId, NanoVG.Image)]
loadPlayerSprite fp w h nvg rids = do
eimg <- readImage fp
case eimg of
Left err -> do
logIO Error err
exitFailure
Right dimg -> do
let img = convertRGBA8 dimg
ret <- mapM (\(row, ids) -> do
mapM (\(num, id) -> do
let cr = crop (num * w) (row * h) w h img
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mresimg <-
createImageMem nvg (ImagePremultiplied) (toStrict $ encodePng cr)
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case mresimg of
Nothing -> do
logIO Error ("Failed to load: " ++ fp ++ " " ++ show id)
exitFailure
Just resimg -> return (id, resimg)
) (zip [0..] ids)
) rids
return $ concat ret