tracer/src/Main.hs

91 lines
2.3 KiB
Haskell

{-# LANGUAGE ForeignFunctionInterface #-}
module Main where
import Affection as A
import qualified SDL
import NanoVG hiding (V2(..), V3(..))
import Graphics.Rendering.OpenGL.GL.FlushFinish (finish)
import Linear
import Foreign.C.Types (CInt(..))
import Data.Maybe (fromJust)
-- internal imports
import Types hiding (draw)
import StateMachine ()
import Init
foreign import ccall unsafe "glewInit"
glewInit :: IO CInt
main :: IO ()
main = do
let config = AffectionConfig
{ initComponents = All
, windowTitle = "Tracer"
, windowConfig = SDL.defaultWindow
{ SDL.windowInitialSize = V2 1280 720
, SDL.windowResizable = True
, SDL.windowOpenGL = Just SDL.defaultOpenGL
{ SDL.glProfile = SDL.Core SDL.Normal 3 3
}
}
, canvasSize = Nothing
, preLoop = pre >> smLoad Load
, eventLoop = handle
, updateLoop = update
, drawLoop = draw
, loadState = Init.init
, cleanUp = clean
, initScreenMode = SDL.Windowed
}
withAffection config
pre :: Affection UserData ()
pre = do
ad <- A.get
ud <- getAffection
-- _ <- SDL.glSetAttribute SDL.SDL_GL_SHARE_WITH_CURRENT_CONTEXT 1
threadContext <- SDL.glCreateContext (drawWindow ad)
SDL.glMakeCurrent (drawWindow ad) (glContext ad)
Subsystems w m k <- subsystems <$> getAffection
_ <- partSubscribe w (fitViewport (1280/720))
_ <- partSubscribe w exitOnWindowClose
putAffection ud
{ threadContext = Just threadContext
, mainContext = Just (glContext ad)
, window = Just (drawWindow ad)
}
update :: Double -> Affection UserData ()
update dt = do
ud <- getAffection
smUpdate (state ud) dt
draw :: Affection UserData ()
draw = do
ud <- getAffection
liftIO $ beginFrame (nano ud) 1280 720 1
smDraw (state ud)
liftIO $ endFrame (nano ud)
handle :: [SDL.EventPayload] -> Affection UserData ()
handle evs = do
s <- state <$> getAffection
smEvent s evs
exitOnWindowClose :: WindowMessage -> Affection UserData ()
exitOnWindowClose (MsgWindowClose _ _) = do
liftIO $ logIO A.Debug "Window Closed"
quit
exitOnWindowClose _ = return ()
clean :: UserData -> IO ()
clean ud = do
SDL.glDeleteContext $ fromJust $ threadContext ud