tracer/src/Main.hs
2019-10-28 18:20:34 +01:00

134 lines
3.7 KiB
Haskell

{-# LANGUAGE ForeignFunctionInterface #-}
module Main where
import Affection as A
import Data.Ecstasy
import qualified SDL
import NanoVG hiding (V2(..), V3(..))
import Linear
import Foreign.C.Types (CInt(..))
import Data.Maybe (fromJust)
import Control.Monad (when)
-- internal imports
import Types hiding (draw)
import StateMachine ()
import Init
import Util
foreign import ccall unsafe "glewInit"
glewInit :: IO CInt
main :: IO ()
main = do
let config = AffectionConfig
{ initComponents = All
, windowTitle = "Tracer"
, windowConfigs =
[ ( 0
, SDL.defaultWindow
{ SDL.windowInitialSize = V2 1280 720
, SDL.windowResizable = True
, SDL.windowGraphicsContext = SDL.OpenGLContext 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
threadCtx <- SDL.glCreateContext (snd $ head $ drawWindows ad)
SDL.glMakeCurrent (snd $ head $ drawWindows ad) (snd $ head $ glContext ad)
let Subsystems w m k j t = subsystems ud
_ <- partSubscribe w (fitViewport (1280/720))
_ <- partSubscribe w exitOnWindowClose
_ <- partSubscribe k toggleFullScreen
_ <- partSubscribe k quitGame
u <- partSubscribe j cacheJoypad
(ws, _) <- yieldSystemT (0, defStorage) (return ())
putAffection ud
{ threadContext = Just threadCtx
, window = Just (snd $ head $ drawWindows ad)
, worldState = ws
, joyUUID = u
}
quitGame :: KeyboardMessage -> Affection UserData ()
quitGame (MsgKeyboardEvent _ _ SDL.Pressed False sym)
| SDL.keysymKeycode sym == SDL.KeycodeEscape = quit
| SDL.keysymKeycode sym == SDL.KeycodeF5 = do
ad <- A.get
ud <- getAffection
when (state ud == Main WorldMap || state ud == Main MindMap) $ do
let Subsystems w m k j t = subsystems ud
mapM_ (partUnSubscribe w) (uuid ud)
mapM_ (partUnSubscribe m) (uuid ud)
mapM_ (partUnSubscribe k) (uuid ud)
mapM_ (partUnSubscribe j) (uuid ud)
mapM_ (partUnSubscribe t) (uuid ud)
SDL.glMakeCurrent
(snd $ head $ drawWindows ad)
(snd $ head $ glContext ad)
(ws, _) <- yieldSystemT (0, defStorage) (return ())
putAffection ud
{ worldState = ws
, state = Load
}
smLoad Load
| otherwise = return ()
quitGame _ = return ()
toggleFullScreen :: KeyboardMessage -> Affection UserData ()
toggleFullScreen (MsgKeyboardEvent _ _ SDL.Pressed False sym)
| SDL.keysymKeycode sym == SDL.KeycodeF11 = toggleScreen
| otherwise = return ()
toggleFullScreen _ = return ()
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 =
SDL.glDeleteContext $ fromJust $ threadContext ud