pituicat/src/Affection.hs

170 lines
4.8 KiB
Haskell
Raw Normal View History

{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE BangPatterns #-}
2016-03-25 08:41:22 +00:00
module Affection
( withAffection
2016-12-12 01:10:30 +00:00
, getAffection
, putAffection
-- , withWindow
-- , withDefaultWindow
2016-03-25 10:43:31 +00:00
, delaySec
2016-12-08 17:22:29 +00:00
, module A
2016-03-25 08:41:22 +00:00
) where
import qualified SDL
2016-12-08 17:22:29 +00:00
import qualified SDL.Internal.Numbered as SDL (toNumber)
import qualified SDL.Raw as Raw
import qualified GEGL as G
import Data.Maybe
import Data.IORef
2016-11-02 00:14:53 +00:00
import System.Clock
import Control.Monad.Loops
import qualified Control.Monad.Parallel as MP
import Control.Monad.State
2016-03-25 10:43:31 +00:00
import Foreign.C.Types (CInt(..))
import Foreign.Storable (peek)
2017-02-17 16:15:06 +00:00
import Debug.Trace
2016-12-08 17:22:29 +00:00
import Affection.Types as A
import Affection.Draw as A
import Affection.Particle as A
2017-03-05 15:39:37 +00:00
import Affection.StateMachine as A
import Affection.MouseInteractable as A
2017-03-18 16:38:26 +00:00
import Affection.Property as A
import Affection.Actor as A
2017-04-17 10:40:17 +00:00
import Affection.Animation as A
2017-09-07 04:23:01 +00:00
import Affection.Util as A
2016-03-25 15:58:46 +00:00
import qualified BABL as B
2016-11-06 04:02:06 +00:00
-- | Main function which bootstraps everything else.
withAffection
:: AffectionConfig us -- ^ Configuration of the Game and its engine.
-> IO ()
2016-11-08 04:15:44 +00:00
withAffection AffectionConfig{..} = do
2017-02-23 21:54:26 +00:00
-- intialiaze SDL
case initComponents of
All ->
SDL.initializeAll
Only is ->
SDL.initialize is
2016-11-04 15:06:16 +00:00
G.gegl_init
2017-02-23 21:54:26 +00:00
-- give SDL render quality
SDL.HintRenderScaleQuality SDL.$= SDL.ScaleLinear
-- just checking…
do
renderQuality <- SDL.get SDL.HintRenderScaleQuality
when (renderQuality /= SDL.ScaleLinear) $
putStrLn "Warning: Linear texture filtering not enabled!"
-- construct window
window <- SDL.createWindow windowTitle windowConfig
2017-02-23 21:54:26 +00:00
SDL.showWindow window
-- create renderer
renderer <- SDL.createRenderer
window
(-1)
SDL.defaultRenderer
2017-03-22 15:59:24 +00:00
-- make draw texture
texture <- SDL.createTexture
renderer
SDL.ABGR8888
SDL.TextureAccessStreaming
2017-03-23 03:32:43 +00:00
(case canvasSize of
Just (cw, ch) -> (SDL.V2
(CInt $ fromIntegral cw)
(CInt $ fromIntegral ch)
)
Nothing ->
SDL.windowInitialSize windowConfig
)
2017-02-23 21:54:26 +00:00
-- make draw surface
2017-03-23 03:32:43 +00:00
-- pixelFormat <- liftIO $ peek . Raw.surfaceFormat =<< peek ptr
let SDL.V2 (CInt rw) (CInt rh) = windowInitialSize windowConfig
(w, h) = case canvasSize of
Just (cw, ch) -> (cw, ch)
Nothing -> (fromIntegral rw, fromIntegral rh)
-- stride = fromIntegral (Raw.pixelFormatBytesPerPixel pixelFormat) * w
bablFormat = B.PixelFormat B.RGBA B.CFu8
cpp = B.babl_components_per_pixel bablFormat
2017-03-23 03:32:43 +00:00
!stride = cpp * w
format <- B.babl_format bablFormat
2017-07-29 00:40:41 +00:00
-- get current time
2017-07-29 19:57:06 +00:00
SDL.setWindowMode window initScreenMode
2017-07-29 00:40:41 +00:00
execTime <- getTime Monotonic
2016-12-20 23:16:21 +00:00
initContainer <- (\x -> AffectionData
2016-11-04 15:06:16 +00:00
{ quitEvent = False
, userState = x
2016-11-02 00:14:53 +00:00
, drawWindow = window
2017-02-23 21:54:26 +00:00
, windowRenderer = renderer
2017-03-22 15:59:24 +00:00
, drawTexture = texture
2016-12-21 03:28:57 +00:00
, drawFormat = format
2017-03-23 03:32:43 +00:00
, drawDimensions = case canvasSize of
Just (cw, ch) -> (cw, ch)
Nothing -> (w, h)
2017-07-29 19:57:06 +00:00
, screenMode = initScreenMode
, drawStride = stride
, drawCPP = cpp
, drawStack = []
2016-12-25 07:14:51 +00:00
, elapsedTime = 0
, deltaTime = 0
2017-07-29 00:40:41 +00:00
, sysTime = execTime
, pausedTime = False
2017-03-23 03:34:04 +00:00
}) <$> loadState
(_, nState) <- runStateT ( A.runState $ do
preLoop
whileM_ (do
current <- get
2016-12-08 17:22:29 +00:00
return $ not $ A.quitEvent current
)
2016-11-04 15:06:16 +00:00
(do
2016-12-20 03:14:57 +00:00
-- get state
ad <- get
2017-07-29 00:40:41 +00:00
-- Measure time difference form last run
now <- liftIO $ getTime Monotonic
2017-07-29 00:51:18 +00:00
let lastTime = sysTime ad
2016-12-20 03:14:57 +00:00
-- clean draw requests from last run
2017-03-28 22:46:03 +00:00
MP.mapM_ (invalidateDrawRequest (drawStride ad) (drawCPP ad)) (drawStack ad)
2017-02-23 21:54:26 +00:00
-- clean the renderer form last time
2017-03-20 04:24:30 +00:00
-- SDL.clear renderer
2016-12-25 07:14:51 +00:00
-- compute dt and update elapsedTime
2017-03-20 04:24:30 +00:00
let !dt = fromIntegral (toNanoSecs $ diffTimeSpec lastTime now) / (10 ^ 9)
!ne = elapsedTime ad + dt
put $ ad
2016-12-25 07:14:51 +00:00
{ drawStack = []
, elapsedTime = ne
, deltaTime = dt
2016-12-25 07:14:51 +00:00
}
2017-02-17 16:15:06 +00:00
-- poll events
evs <- preHandleEvents =<< liftIO SDL.pollEvents
2017-03-28 22:46:03 +00:00
mapM_ eventLoop evs
2016-12-20 03:14:57 +00:00
-- execute user defined update loop
2017-07-29 00:51:18 +00:00
unless (pausedTime ad) (updateLoop dt)
-- execute user defined draw loop
drawLoop
2016-12-20 03:14:57 +00:00
-- handle all new draw requests
2016-12-20 04:27:35 +00:00
ad2 <- get
clear <- catMaybes <$>
2017-03-28 22:46:03 +00:00
MP.mapM (handleDrawRequest (drawStride ad) (drawCPP ad)) (drawStack ad2)
2016-12-20 03:14:57 +00:00
-- save all draw requests to clear in next run
2016-12-20 04:27:35 +00:00
put $ ad2
{ drawStack = clear }
2017-02-23 21:54:26 +00:00
-- actual drawing
SDL.present (windowRenderer ad2)
2016-12-20 03:14:57 +00:00
-- save new time
2017-07-29 00:40:41 +00:00
ad3 <- get
when (sysTime ad == sysTime ad3) (
put ad3
{ sysTime = now
}
)
2016-11-04 15:06:16 +00:00
)
) initContainer
2016-11-04 15:06:16 +00:00
G.gegl_exit
cleanUp $ userState nState
2017-02-23 21:54:26 +00:00
SDL.destroyWindow window
SDL.quit