haskelloids/src/Init.hs

83 lines
2.2 KiB
Haskell

{-# 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(..))
import qualified Data.Set as S
import Data.Maybe
import Control.Monad (when)
import Control.Concurrent.STM
import Control.Concurrent.MVar
import System.Exit (exitFailure)
import Linear
import Foreign.C.Types (CInt(..))
-- Internal imports
import Types
foreign import ccall unsafe "glewInit"
glewInit :: IO CInt
load :: IO UserData
load = do
-- liftIO $ logIO A.Debug "Let's drop some Hints for SDL"
-- SDL.HintRenderDriver $= SDL.OpenGL
SDL.cursorVisible $= False
GL.clearColor $= GL.Color4 0 0 0.1 1
liftIO $ logIO A.Debug "init GLEW"
_ <- glewInit
liftIO $ logIO A.Debug "loading state"
liftIO $ logIO A.Debug "create context"
nvgCtx <- createGL3 (S.fromList [Antialias, StencilStrokes, NanoVG.Debug])
liftIO $ logIO A.Debug "load ship image"
mshipImage <- createImage nvgCtx (FileName "assets/ship.png") 0
when (isNothing mshipImage) $ do
logIO Error "Failed to load asset ship"
exitFailure
mhaskImage <- liftIO $
createImage nvgCtx (FileName "assets/haskelloid.png") 0
when (isNothing mhaskImage) $
liftIO $ logIO Error "Failed to load asset haskelloid"
mfont <- createFont nvgCtx "modulo" (FileName "assets/Modulo.ttf")
when (isNothing mfont) $ do
logIO Error "Failed to load font"
exitFailure
liftIO $ logIO A.Debug "Initializing subsystems"
subs <- Subsystems
<$> (SubWindow <$> newTVarIO [])
<*> (SubKeyboard <$> newTVarIO [])
liftIO $ logIO A.Debug "Setting viewport"
GL.viewport $= (GL.Position 0 0, GL.Size 800 600)
liftIO $ logIO A.Debug "Returning UserData"
UserData
<$> newMVar (Ship
{ sPos = V2 400 300
, sVel = V2 0 0
, sRot = 0
, sImg = fromJust mshipImage
, sThrust = False
})
<*> newMVar []
<*> newMVar []
<*> newMVar Nothing
<*> newMVar Menu
<*> newMVar (FadeIn 1)
<*> return nvgCtx
<*> return (fromJust mfont)
<*> return subs
<*> return (fromJust mhaskImage)
<*> newMVar (UUIDClean [] [])
<*> newMVar True