78 lines
2 KiB
Haskell
78 lines
2 KiB
Haskell
{-# LANGUAGE ForeignFunctionInterface #-}
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module Init where
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import Affection as A
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import SDL (($=))
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import qualified SDL
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import qualified Graphics.Rendering.OpenGL as GL
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import qualified Data.Set as S
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import Data.Maybe
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import Control.Monad (when)
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import Control.Monad.IO.Class (liftIO)
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import Control.Concurrent.STM
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import System.Random
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import System.Exit (exitFailure)
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import Linear
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import NanoVG hiding (V2)
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import Foreign.C.Types (CInt(..))
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-- Internal imports
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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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load :: IO UserData
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load = do
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-- liftIO $ logIO A.Debug "Let's drop some Hints for SDL"
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-- SDL.HintRenderDriver $= SDL.OpenGL
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liftIO $ logIO A.Debug "init GLEW"
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_ <- glewInit
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liftIO $ logIO A.Debug "loading state"
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liftIO $ logIO A.Debug "create context"
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nvgCtx <- createGL3 (S.fromList [Antialias, StencilStrokes, NanoVG.Debug])
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liftIO $ logIO A.Debug "load ship image"
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mshipImage <- createImage nvgCtx (FileName "assets/ship.png") 0
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when (isNothing mshipImage) $ do
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logIO Error "Failed to load asset ship"
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exitFailure
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mhaskImage <- liftIO $
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createImage nvgCtx (FileName "assets/haskelloid.png") 0
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when (isNothing mhaskImage) $
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liftIO $ logIO Error "Failed to load asset haskelloid"
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mfont <- createFont nvgCtx "modulo" (FileName "assets/Modulo.ttf")
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when (isNothing mfont) $ do
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logIO Error "Failed to load font"
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exitFailure
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liftIO $ logIO A.Debug "Initializing subsystems"
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subs <- Subsystems
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<$> (return . Window =<< newTVarIO [])
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<*> (return . Keyboard =<< newTVarIO [])
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liftIO $ logIO A.Debug "Setting viewport"
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GL.viewport $= (GL.Position 0 0, GL.Size 800 600)
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liftIO $ logIO A.Debug "Returning UserData"
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return UserData
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{ ship = Ship
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{ sPos = V2 400 300
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, sVel = V2 0 0
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, sRot = 0
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, sImg = fromJust mshipImage
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}
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, haskelloids = []
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, wonlost = Nothing
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, state = Menu
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, fade = FadeIn 1
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, nano = nvgCtx
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, font = fromJust mfont
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, subsystems = subs
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, haskImage = fromJust mhaskImage
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}
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