{-# LANGUAGE RecordWildCards #-} module Affection ( withAffection , withWindow , withDefaultWindow , delaySec , get , put , module Affection.Render , module Types ) where import qualified SDL import qualified SDL.Raw as Raw 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.Concurrent.MVar import Affection.Render import Affection.Types as Types -- | Main function which bootstraps everything else. withAffection :: AffectionConfig us -- ^ Configuration of the Game and its engine. -> IO () withAffection 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 oldSurf@(SDL.Surface ptr _) <- SDL.getWindowSurface window surface <- (\x -> return $ SDL.Surface x Nothing) =<< Raw.convertSurfaceFormat ptr (SDL.toNumber SDL.ABGR8888) 0 initContainer <- return . (\x -> AffectionData { quitEvent = False , userState = x , drawWindow = window , drawSurface = surface }) =<< loadState surface (_, _) <- runStateT ( Types.runState $ whileM_ (do current <- get return $ not $ Types.quitEvent current ) (do liftIO $ SDL.surfaceBlit surface Nothing oldSurf Nothing 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 -- | DEPRECATED! -- Function for bootstraping a window. 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 -- | DEPRECATED! -- Bootstrap a default window. withDefaultWindow :: Monad m => T.Text -> (RenderT m a) -> IO () withDefaultWindow title ops = withWindow title defaultWindow SDL.defaultRenderer ops -- | block a thread for a specified amount of time delaySec :: Int -- ^ Number of seconds -> IO () delaySec dur = SDL.delay (fromIntegral $ dur * 1000)