add new example
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4 changed files with 361 additions and 1 deletions
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@ -152,3 +152,26 @@ executable example01
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, deepseq
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else
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buildable: False
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-- Another small game of life implementation
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executable example02
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hs-source-dirs: examples/example02
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main-is: Main.hs
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other-modules: Types
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ghc-options: -threaded -Wall
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default-language: Haskell2010
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default-extensions: OverloadedStrings
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if flag(examples)
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build-depends: base >=4.9 && < 5
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, affection
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, sdl2
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, stm
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, OpenGL
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, random
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, containers
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, linear
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, matrix
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, nanovg >= 0.6.0.0
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, deepseq
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else
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buildable: False
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@ -221,7 +221,7 @@ update _ = do
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else
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putAffection ((newLifeMat, newFoodMat, newTimeMat) `deepseq` ud)
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{ lifeMat = newLifeMat
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, foodMat = newFoodMat
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--, foodMat = newFoodMat
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, timeMat = newTimeMat
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}
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260
examples/example02/Main.hs
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260
examples/example02/Main.hs
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@ -0,0 +1,260 @@
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE ForeignFunctionInterface #-}
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import Affection as A
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import SDL (($=))
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import qualified SDL
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import qualified Graphics.Rendering.OpenGL as GL
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import Control.Concurrent.STM
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import Control.Monad.IO.Class (liftIO)
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import Control.Monad (when)
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import Control.DeepSeq (deepseq)
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import Data.Matrix as M
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import qualified Data.Set as S
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import System.Random (randomRIO)
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import NanoVG hiding (V2(..))
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import Linear
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import Foreign.C.Types (CInt(..))
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-- internal imports
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import Types
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foreign import ccall unsafe "glewInit"
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glewInit :: IO CInt
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maxFood :: Word
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maxFood = 255
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main :: IO ()
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main = do
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logIO A.Debug "Starting"
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let conf = AffectionConfig
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{ initComponents = All
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, windowTitle = "affection: example01"
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, windowConfig = SDL.defaultWindow
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{ SDL.windowOpenGL = Just SDL.defaultOpenGL
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{ SDL.glProfile = SDL.Core SDL.Normal 3 3
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}
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, SDL.windowInitialSize = SDL.V2 600 600
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, SDL.windowResizable = True
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}
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, initScreenMode = SDL.Windowed
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, canvasSize = Nothing
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, loadState = load
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, preLoop = pre
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, eventLoop = handle
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, updateLoop = update
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, drawLoop = draw
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, cleanUp = clean
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}
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withAffection conf
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load :: IO UserData
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load = do
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-- emptyMatrix <- zero 60 60
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liftIO $ logIO A.Debug "init GLEW"
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_ <- glewInit
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liftIO $ logIO A.Debug "making random"
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randList <- mapM (\_ -> randomRIO (0,1)) [0..3599]
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liftIO $ logIO A.Debug "creating context"
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nanoCtx <- createGL3 (S.fromList [Antialias, StencilStrokes, NanoVG.Debug])
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let fullMatrix = fromList 60 60 randList
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-- logIO A.Debug $ prettyMatrix fullMatrix
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empty1 <- newTVarIO [] -- ([] :: [(UUID, WindowMessage -> Affection UserData ())])
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empty3 <- newTVarIO [] -- ([] :: [(UUID, KeyboardMessage -> Affection UserData ())])
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return $ UserData
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{ subsystems = Subsystems
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(Window empty1)
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(Keyboard empty3)
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, lifeMat = fullMatrix
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, foodMat = fromList 60 60 (repeat maxFood)
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, timeMat = M.zero 60 60
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, nano = nanoCtx
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}
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pre :: Affection UserData ()
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pre = do
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sd <- getAffection
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_ <- partSubscribe (subKeyboard $ subsystems sd) exitOnEsc
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_ <- partSubscribe (subKeyboard $ subsystems sd) reloadOnR
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_ <- partSubscribe (subKeyboard $ subsystems sd) showFPS
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_ <- partSubscribe (subKeyboard $ subsystems sd) toggleFullScreen
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_ <- partSubscribe (subWindow $ subsystems sd) exitOnWindowClose
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_ <- partSubscribe (subWindow $ subsystems sd) (fitViewport (600/600))
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now <- getElapsedTime
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putAffection sd
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toggleFullScreen :: KeyboardMessage -> Affection UserData ()
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toggleFullScreen (MsgKeyboardEvent _ _ SDL.Pressed False sym)
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| SDL.keysymKeycode sym == SDL.KeycodeF11 = toggleScreen
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| otherwise = return ()
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toggleFullScreen _ = return ()
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exitOnEsc :: KeyboardMessage -> Affection UserData ()
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exitOnEsc (MsgKeyboardEvent _ _ SDL.Pressed False sym) =
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case SDL.keysymKeycode sym of
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SDL.KeycodeEscape -> do
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liftIO $ logIO A.Debug "Yo dog I heard..."
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quit
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_ -> return ()
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exitOnEsc _ = return ()
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reloadOnR :: KeyboardMessage -> Affection UserData ()
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reloadOnR (MsgKeyboardEvent _ _ _ _ sym) =
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case SDL.keysymKeycode sym of
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SDL.KeycodeR -> reload
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_ -> return ()
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reloadOnR _ = return ()
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reload :: Affection UserData ()
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reload = do
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ud <- getAffection
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now <- getElapsedTime
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randList <- liftIO $ mapM (\_ -> randomRIO (0,1)) [0..3599]
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let fullMatrix = fromList 60 60 randList
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putAffection ud
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{ lifeMat = fullMatrix
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, foodMat = fromList 60 60 (repeat maxFood)
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, timeMat = M.zero 60 60
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}
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showFPS :: KeyboardMessage -> Affection UserData ()
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showFPS (MsgKeyboardEvent _ _ _ _ sym) =
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case SDL.keysymKeycode sym of
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SDL.KeycodeF -> do
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dt <- getDelta
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liftIO $ logIO A.Debug $ "FPS: " ++ show (1 / dt)
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_ -> return ()
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showFPS _ = return ()
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exitOnWindowClose :: WindowMessage -> Affection UserData ()
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exitOnWindowClose wm =
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case wm of
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MsgWindowClose _ _ -> do
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liftIO $ logIO A.Debug "I heard another one..."
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quit
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_ -> return ()
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exitOnWindowClose _ = return ()
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handle :: [SDL.EventPayload] -> Affection UserData ()
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handle es = do
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(Subsystems a b) <- subsystems <$> getAffection
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_ <- consumeSDLEvents a =<< consumeSDLEvents b es
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return ()
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update :: Double -> Affection UserData ()
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update _ = do
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ud <- getAffection
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newList <- mapM (\coord -> do
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let x = (coord `mod` 60) + 1
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y = (coord `div` 60) + 1
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subm
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| x == 1 && y == 1 =
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(submatrix 60 60 60 60 (lifeMat ud) <|> submatrix 60 60 1 2 (lifeMat ud))
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<->
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(submatrix 1 2 60 60 (lifeMat ud) <|> submatrix 1 2 1 2 (lifeMat ud))
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| x == 1 && y == 60 =
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(submatrix 59 60 60 60 (lifeMat ud) <|> submatrix 59 60 1 2 (lifeMat ud))
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<->
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(submatrix 1 1 60 60 (lifeMat ud) <|> submatrix 1 1 1 2 (lifeMat ud))
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| x == 60 && y == 1 =
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(submatrix 60 60 59 60 (lifeMat ud) <|> submatrix 60 60 1 1 (lifeMat ud))
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<->
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(submatrix 1 2 59 60 (lifeMat ud) <|> submatrix 1 2 1 1 (lifeMat ud))
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| x == 60 && y == 60 =
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(submatrix 59 60 59 60 (lifeMat ud) <|> submatrix 59 60 1 1 (lifeMat ud))
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<->
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(submatrix 1 1 59 60 (lifeMat ud) <|> submatrix 1 1 1 1 (lifeMat ud))
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| x == 1 =
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(submatrix (y - 1) (y + 1) 60 60 (lifeMat ud))
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<|>
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(submatrix (y - 1) (y + 1) 1 2 (lifeMat ud))
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| y == 1 =
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(submatrix 60 60 (x - 1) (x + 1) (lifeMat ud))
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<->
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(submatrix 1 2 (x - 1) (x + 1) (lifeMat ud))
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| x == 60 =
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(submatrix (y - 1) (y + 1) 59 60 (lifeMat ud))
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<|>
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(submatrix (y - 1) (y + 1) 1 1 (lifeMat ud))
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| y == 60 =
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(submatrix 59 60 (x -1 ) (x + 1) (lifeMat ud))
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<->
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(submatrix 1 1 (x - 1) (x + 1) (lifeMat ud))
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| otherwise =
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(submatrix (y - 1) (y + 1) (x - 1) (x + 1) (lifeMat ud))
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life = countLife subm
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ret
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| life == 0 && lifeMat ud M.! (y, x) == 0 =
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( 0
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, if timeMat ud M.! (y, x) >= 10
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then min 10 (foodMat ud M.! (y, x) + 1)
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else min 10 (foodMat ud M.! (y, x))
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, timeMat ud M.! (y, x) + 1
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)
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| otherwise = (1, 1, 1)
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if lifeMat ud M.! (y, x) == 1
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then if (life == 2 || life == 3) && foodMat ud M.! (y, x) > 0
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then return (1, (foodMat ud M.! (y, x)) - 1, 0)
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else return (0, foodMat ud M.! (y, x), 0)
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else if life == 3 && foodMat ud M.! (y, x) > 0
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then return (1, (foodMat ud M.! (y, x)) - 1, 0)
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else return
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( 0
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, if timeMat ud M.! (y, x) > 10
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then min maxFood ((foodMat ud M.! (y, x)) + 1)
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else min maxFood (foodMat ud M.! (y, x))
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, timeMat ud M.! (y, x) + 1
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)
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) [0..3599]
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let newLifeMat = fromList 60 60 (map (\(x, _, _) -> x) newList)
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newFoodMat = fromList 60 60 (map (\(_, x, _) -> x) newList)
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newTimeMat = fromList 60 60 (map (\(_, _, x) -> x) newList)
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if newLifeMat == M.zero 60 60
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then
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reload
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else
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putAffection ((newLifeMat, newFoodMat, newTimeMat) `deepseq` ud)
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{ lifeMat = newLifeMat
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, foodMat = newFoodMat
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, timeMat = newTimeMat
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}
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countLife :: Matrix Word -> Word
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countLife mat = res - (mat M.! (2, 2))
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where
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res = foldr (flip (+)) 0 mat
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draw :: Affection UserData ()
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draw = do
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ud <- getAffection
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liftIO $ do
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beginFrame (nano ud) 600 600 1
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save (nano ud)
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mapM_ (\coord -> do
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let x = coord `mod` 60
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y = coord `div` 60
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ctx = nano ud
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mult = lifeMat ud M.! (x + 1, y + 1)
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-- logIO A.Debug $ show mult
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beginPath ctx
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rect ctx (fromIntegral $ x * 10) (fromIntegral $ y * 10) 10 10
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if mult == 1
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then
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fillColor ctx (rgba 255 255 255 255)
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else
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fillColor ctx (rgba 0 (fromIntegral $ (255 `div` maxFood) * (foodMat ud M.! (x+1, y+1))) 0 255)
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fill ctx
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) [0..3599]
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restore (nano ud)
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endFrame (nano ud)
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clean _ = return ()
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77
examples/example02/Types.hs
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77
examples/example02/Types.hs
Normal file
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@ -0,0 +1,77 @@
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE TypeFamilies #-}
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module Types where
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import Affection
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import Data.Matrix as M
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import NanoVG
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import Control.Concurrent.STM
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import Control.Monad.IO.Class (liftIO)
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data UserData = UserData
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{ lifeMat :: Matrix Word
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, foodMat :: Matrix Word
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, timeMat :: Matrix Word
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, subsystems :: Subsystems
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, nano :: Context
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}
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data Subsystems = Subsystems
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{ subWindow :: Types.Window
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, subKeyboard :: Types.Keyboard
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}
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newtype Window = Window (TVar [(UUID, WindowMessage -> Affection UserData ())])
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newtype Keyboard = Keyboard (TVar [(UUID, KeyboardMessage -> Affection UserData ())])
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instance Participant Types.Window UserData where
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type Mesg Types.Window UserData = WindowMessage
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partSubscribers (Window t) = do
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subTups <- liftIO $ readTVarIO t
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return $ map snd subTups
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partSubscribe (Window t) = generalSubscribe t
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partUnSubscribe (Window t) = generalUnSubscribe t
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instance SDLSubsystem Types.Window UserData where
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consumeSDLEvents = consumeSDLWindowEvents
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instance Participant Keyboard UserData where
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type Mesg Keyboard UserData = KeyboardMessage
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partSubscribers (Keyboard t) = do
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subTups <- liftIO $ readTVarIO t
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return $ map snd subTups
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partSubscribe (Keyboard t) = generalSubscribe t
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partUnSubscribe (Keyboard t) = generalUnSubscribe t
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instance SDLSubsystem Keyboard UserData where
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consumeSDLEvents = consumeSDLKeyboardEvents
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generalSubscribe
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:: TVar [(UUID, msg -> Affection UserData ())]
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-> (msg -> Affection UserData ())
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-> Affection UserData UUID
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generalSubscribe t funct = do
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uuid <- genUUID
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liftIO $ atomically $ modifyTVar' t ((uuid, funct) :)
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return uuid
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generalUnSubscribe
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:: TVar [(UUID, msg -> Affection UserData ())]
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-> UUID
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-> Affection UserData ()
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generalUnSubscribe t uuid =
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liftIO $ atomically $ modifyTVar' t (filter (`filterMsg` uuid))
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where
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filterMsg :: (UUID, msg -> Affection UserData ()) -> UUID -> Bool
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filterMsg (u, _) p = u /= p
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