canvas/app/Main.hs
2020-05-13 04:21:49 +02:00

116 lines
2.8 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
module Main where
import Affection
import SDL (($=))
import qualified SDL
import qualified Graphics.Rendering.OpenGL as GL
import qualified Graphics.GL as GLRaw
import Codec.Picture
import Control.Monad (void)
import Control.Monad.IO.Class (liftIO)
import Control.Concurrent.STM
import qualified Data.Map.Strict as M
import Foreign (nullPtr, plusPtr)
-- internal imports
import Types
import Types.Sprite
import Renderer
import Classes.Renderable as CR
cattyness = 1000
main :: IO ()
main =
withAffection AffectionConfig
{ initComponents = All
, windowTitle = "canvas"
, windowConfigs =
[ ( 0
, SDL.defaultWindow
{ SDL.windowInitialSize = SDL.V2 1920 1080
, SDL.windowGraphicsContext = SDL.OpenGLContext SDL.defaultOpenGL
{ SDL.glProfile = SDL.Core SDL.Normal 3 3
}
}
)
]
, initScreenMode = SDL.FullscreenDesktop
, preLoop = preLoopImpl
, eventLoop = mapM_ handle
, updateLoop = updateLoopImpl
, drawLoop = drawLoopImpl
, loadState = loadStateImpl
, cleanUp = (\_ -> return ())
, canvasSize = Nothing
}
preLoopImpl :: Affection UserData ()
preLoopImpl = liftIO $ do
void $ SDL.setMouseLocationMode SDL.RelativeLocation
GL.blendFunc $= (GL.SrcAlpha, GL.OneMinusSrcAlpha)
GL.frontFace $= GL.CCW
GL.blend $= GL.Enabled
GL.depthFunc $= Nothing
GL.scissor $= Nothing
GL.viewport $= (GL.Position 0 0, GL.Size 1920 1080)
GL.clearColor $= GL.Color4 1 1 1 1
loadStateImpl :: IO UserData
loadStateImpl = do
subs <- Subsystems
<$> (SubWindow <$> newTVarIO [])
<*> (SubMouse <$> newTVarIO [])
spriteDetails <- loadSprites cattyness
return UserData
{ udSubsystems = subs
, udRenderAssets = RenderAssets
{ assetSprites = spriteDetails
}
}
handle event = return ()
updateLoopImpl dt = do
liftIO $ putStrLn (show $ 1 / dt)
return ()
drawLoopImpl = do
-- liftIO $ putStrLn "I'm in your draw"
ud@(UserData subs rassets) <- getAffection
let (RenderAssets sDetails@(AssetDetails svo sso sto sdo)) = rassets
liftIO $ do
mapM_
(\ident -> do
CR.init
(svo :: VertexObjects Sprite)
(sso :: ShaderObjects Sprite)
(sto M.! ident)
(head (sdo M.! ident))
-- mapM_
-- (draw
-- (svo :: VertexObjects Sprite)
-- (sso :: ShaderObjects Sprite)
-- )
-- (sdo M.! ident)
GL.drawArraysInstanced GL.Triangles 0 6 (fromIntegral cattyness)
-- GL.drawElementsInstanced GL.Triangles 6 GL.UnsignedInt (nullPtr `plusPtr` 1) 9999
-- GLRaw.glDrawElementsInstanced GLRaw.GL_TRIANGLES 6 GLRaw.GL_UNSIGNED_INT nullPtr 9999
clean
(head (sdo M.! ident))
)
(M.keys sdo)