{-# LANGUAGE RecordWildCards #-} module Affection ( withAffection , withWindow , withDefaultWindow , delaySec , get , put , module Affection.Render , module Types ) where import qualified SDL import qualified GEGL as G import qualified Data.Text as T import Data.Maybe import System.Clock import Control.Monad.Loops import Control.Monad.State import Control.Monad.Reader import Control.Concurrent.MVar import Affection.Render import Affection.Types as Types withAffection :: AffectionConfig us -> IO () withAffection conf@AffectionConfig{..} = do case initComponents of All -> SDL.initializeAll Only is -> SDL.initialize is G.gegl_init execTime <- newMVar =<< getTime Monotonic window <- SDL.createWindow windowTitle windowConfig surface <- SDL.getWindowSurface window initContainer <- return . (\x -> AffectionData -- { affectionConfig = conf { quitEvent = False , userState = x , drawWindow = window , drawSurface = surface }) =<< loadState surface (res, nState) <- runStateT ( Types.runState $ whileM_ (do current <- get return $ not $ Types.quitEvent current ) (do now <- liftIO $ getTime Monotonic lastTime <- liftIO $ fromMaybe now <$> tryReadMVar execTime drawLoop updateLoop $ (fromIntegral $ toNanoSecs $ diffTimeSpec lastTime now) / (fromIntegral 10 ^ 9) _ <- liftIO $ swapMVar execTime $ now return () ) ) initContainer G.gegl_exit SDL.quit withWindow :: Monad m => T.Text -> WindowConfig -> SDL.RendererConfig -> RenderT m a -> IO () withWindow title wconf rconf ops = do window <- SDL.createWindow title wconf -- I don't need a renderer here, i need a surface renderer <- SDL.createRenderer window (-1) rconf surface <- SDL.getWindowSurface window G.gegl_init -- I think I need some AffectionT or someting similar here and not a RenderT -- from SDL. inRender renderer $ ops G.gegl_exit SDL.destroyWindow window withDefaultWindow :: Monad m => T.Text -> (RenderT m a) -> IO () withDefaultWindow title ops = withWindow title defaultWindow SDL.defaultRenderer ops delaySec :: Int -> IO () delaySec dur = SDL.delay (fromIntegral $ dur * 1000)