working 2d animation, but leaks memory
This commit is contained in:
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@ -18,6 +18,8 @@ build-type: Simple
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executable cellularAutomata
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main-is: Main.hs
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ghc-options: -threaded
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-O2
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-- other-modules:
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-- other-extensions:
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build-depends: base >=4.13 && <4.14
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@ -25,6 +27,12 @@ executable cellularAutomata
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, turtle
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, brick
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, process
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, containers
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, linear
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, microlens
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, microlens-th
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, vty
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, deepseq
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hs-source-dirs: src
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default-language: Haskell2010
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extra-libraries: ncurses
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@ -1,4 +1,5 @@
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{ mkDerivation, base, brick, lib, ncurses, process, random, turtle
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{ mkDerivation, base, brick, containers, deepseq, lib, linear
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, microlens, microlens-th, ncurses, process, random, turtle, vty
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}:
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mkDerivation {
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pname = "cellularAutomata";
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@ -6,7 +7,10 @@ mkDerivation {
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src = ./..;
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isLibrary = false;
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isExecutable = true;
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executableHaskellDepends = [ base brick process random turtle ];
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executableHaskellDepends = [
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base brick containers deepseq linear microlens microlens-th process
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random turtle vty
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];
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executableSystemDepends = [ ncurses ];
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license = "unknown";
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hydraPlatforms = lib.platforms.none;
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89
src/Automata.hs
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89
src/Automata.hs
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@ -0,0 +1,89 @@
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{-# LANGUAGE DeriveGeneric #-}
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module Automata where
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import Comonad
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import Spaces
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import System.Random
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import GHC.Generics
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import Control.DeepSeq
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-----------------------
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-- cellular automata --
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-----------------------
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-- the states our cells can be in
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-- may need to provide an ordering
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-- may need to generalise the number
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-- of states
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data CellState = Rock | Paper | Scissors
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deriving (Eq, Bounded, Enum, Generic)
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instance NFData CellState
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instance Random CellState where
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random g = case randomR (fromEnum (minBound :: CellState), fromEnum (maxBound :: CellState)) g of
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(r, g') -> (toEnum r, g')
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randomR (a,b) g = case randomR (fromEnum a, fromEnum b) g of
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(r, g') -> (toEnum r, g')
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-- how the states are displayed on screen
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-- this should probably be input to a function
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-- rather than hardcoded
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instance Show CellState
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where
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show Rock = "⬤"
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show Paper = " "
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show Scissors = "_"
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-- -- a rule stating how a cell is determined
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-- rule :: Space CellState -> CellState
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-- rule (Space (l:_) _ (r:_))
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-- | l == r = Dead
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-- | otherwise = Alive
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--
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-- -- a second rule for example
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-- rule2 :: Space CellState -> CellState
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-- rule2 (Space (l1:l2:_) m (r1:r2:_))
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-- | m == Alive && numAlive == 1 = Dead
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-- | m == Alive && numAlive == 4 = Dead
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-- | m == Dead && numAlive == 3 = Alive
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-- | otherwise = m
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-- where
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-- ns = [l1, l2, r1, r2]
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-- numAlive = length $ filter (== Alive) ns
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--
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-- rule3 :: Space CellState -> CellState
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-- rule3 (Space (l:_) m (r:_))
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-- | l == r = m
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-- | otherwise = if m == Alive then Dead else Alive
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--------------
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-- 2d rules --
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--------------
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rps :: Space2 CellState -> CellState
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rps (Space2 u m d)
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= case me of
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Rock -> if (length $ filter (== Paper) ns) > 2 then Paper else Rock
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Paper -> if (length $ filter (== Scissors) ns) > 2 then Scissors else Paper
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Scissors -> if (length $ filter (== Rock) ns) > 2 then Rock else Scissors
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where
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f b (Space (l:_) m (r:_)) = [l,r] ++ (if b then [m] else [])
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f b (Space [] m (r:_)) = [r] ++ (if b then [m] else [])
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f b (Space (l:_) m []) = [l] ++ (if b then [m] else [])
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f b (Space [] m []) = if b then [m] else []
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safeHead _ [] = []
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safeHead b (x:_) = f b x
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ns = concat [ (safeHead True u), (f False m), (safeHead True d) ]
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me = extract m
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--conway :: Space2 CellState -> CellState
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--conway (Space2 (u:_) m (d:_))
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-- = case me of
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-- Alive -> if (length ns) == 2 || (length ns == 3) then Alive else Dead
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-- Dead -> if (length ns) == 3 then Alive else Dead
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-- where
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-- f b (Space (l:_) m (r:_)) = [l,r] ++ (if b then [m] else [])
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-- ns = filter (== Alive) $ concat [ (f True u), (f False m), (f True d) ]
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-- me = extract m
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12
src/Comonad.hs
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12
src/Comonad.hs
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@ -0,0 +1,12 @@
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module Comonad where
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-------------------
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-- comonad class --
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-------------------
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class Functor w => Comonad w
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where
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(=>>) :: w a -> (w a -> b) -> w b
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extract :: w a -> a
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duplicate :: w a -> w (w a)
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x =>> f = fmap f (duplicate x)
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284
src/Main.hs
284
src/Main.hs
@ -1,3 +1,5 @@
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{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Monad
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@ -6,122 +8,45 @@ import System.Random
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import System.Console.GetOpt
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import System.Environment(getArgs, getProgName)
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import Data.Maybe (fromMaybe)
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import Comonad
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import Spaces
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import Automata
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import Brick
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import Brick.BChan (newBChan, writeBChan)
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import qualified Brick.Widgets.Border as B
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import qualified Brick.Widgets.Border.Style as BS
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import qualified Brick.Widgets.Center as C
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import qualified Graphics.Vty as V
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import Control.Applicative
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import Control.Monad.IO.Class
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import Control.Concurrent
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import Control.DeepSeq
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-------------------
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-- comonad class --
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-------------------
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-----------------
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-- brick stuff --
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-----------------
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class Functor w => Comonad w
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where
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(=>>) :: w a -> (w a -> b) -> w b
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extract :: w a -> a
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duplicate :: w a -> w (w a)
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x =>> f = fmap f (duplicate x)
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data Tick = Tick
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type Name = ()
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------------
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-- spaces --
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------------
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-- App definition
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-- a locally focussed space
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data Space t = Space [t] t [t]
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app :: Int -> Int -> App (Space2 CellState) Tick Name
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app h w = App { appDraw = drawUI h w
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, appChooseCursor = neverShowCursor
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, appHandleEvent = handleEvent
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, appStartEvent = return
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, appAttrMap = const theMap
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}
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-- spaces are also functors
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instance Functor Space where
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fmap f (Space l c r) = Space (map f l) (f c) (map f r)
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-- Handling events
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-- our space is a comonad
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instance Comonad Space where
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-- duplicate will create a new space where
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-- the focussed element is our original space
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-- and each side is increasingly shifted copies
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-- in that direction
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duplicate w =
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Space (tail $ iterate left w)
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w
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(tail $ iterate right w)
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-- extract simply returns the focussed element
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extract (Space _ c _) = c
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-- functions for moving the point
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-- of locality.
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-- todo: question the empty list cases
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-- most spaces should be infinite
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right :: Space t -> Space t
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right s@(Space l c []) = s
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right (Space l c (r:rs)) = Space (c:l) r rs
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left :: Space t -> Space t
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left s@(Space [] c r) = s
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left (Space (l:ls) c r) = Space ls l (c:r)
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-- bound will take an infinite space
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-- and bound it by i and j on each side
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-- (not including the focus) and
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-- turn it into a list for printing
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bound :: Int -> Int -> Space t -> [t]
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bound i j (Space l c r) = (reverse (take i l)) ++ (c:(take j r))
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-- boundw works as above, but the
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-- entire list will be the size
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-- given
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boundw :: Int -> Space t -> [t]
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boundw n = bound (x-m) x
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where
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o = if odd n then 1 else 0
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m = if even n then 1 else 0
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x = (n - o) `div` 2
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-----------------------
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-- cellular automata --
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-----------------------
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-- the states our cells can be in
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-- may need to provide an ordering
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-- may need to generalise the number
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-- of states
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data CellState = Alive | Dead
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deriving (Eq, Bounded, Enum)
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instance Random CellState where
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random g = case randomR (fromEnum (minBound :: CellState), fromEnum (maxBound :: CellState)) g of
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(r, g') -> (toEnum r, g')
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randomR (a,b) g = case randomR (fromEnum a, fromEnum b) g of
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(r, g') -> (toEnum r, g')
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-- how the states are displayed on screen
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-- this should probably be input to a function
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-- rather than hardcoded
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instance Show CellState
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where
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show Alive = "█"
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show Dead = " "
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-- a rule stating how a cell is determined
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rule :: Space CellState -> CellState
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rule (Space (l:_) _ (r:_))
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| l == r = Dead
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| otherwise = Alive
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-- a second rule for example
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rule2 :: Space CellState -> CellState
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rule2 (Space (l1:l2:_) m (r1:r2:_))
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| m == Alive && numAlive == 1 = Dead
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| m == Alive && numAlive == 4 = Dead
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| m == Dead && numAlive == 3 = Alive
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| otherwise = m
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where
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ns = [l1, l2, r1, r2]
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numAlive = length $ filter (== Alive) ns
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rule3 :: Space CellState -> CellState
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rule3 (Space (l:_) m (r:_))
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| l == r = m
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| otherwise = if m == Alive then Dead else Alive
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-- take a space and a rule and
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-- return the next space
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step :: Comonad w => (w t -> t) -> w t -> w t
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step f w = w =>> f
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theMap :: AttrMap
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theMap = attrMap V.defAttr
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[ (rockAttr, V.red `on` V.blue)
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, (scissorsAttr, V.green `on` V.red)
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, (paperAttr, V.blue `on` V.green)
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]
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---------------
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-- rng stuff --
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@ -134,74 +59,6 @@ ilobs rng = b : (ilobs r)
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where
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(b,r) = random rng
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-- this is kinda gross but if it works it works
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takeGive :: Int -> [a] -> ([a],[a])
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takeGive n as = ( (take n as), (drop n as) )
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--------------------------
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-- 2d cellular automata --
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--------------------------
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data Space2 t =
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Space2 [(Space t)]
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(Space t)
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[(Space t)]
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instance Functor Space2 where
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fmap f (Space2 u m d) =
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Space2 (fmap (fmap f) u) (fmap f m) (fmap (fmap f) d)
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instance Comonad Space2 where
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duplicate w =
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Space2 (tail $ iterate (f up2) dm)
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dm
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(tail $ iterate (f down2) dm)
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where
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f g (Space l m r) = Space (fmap g l) (g m) (fmap g r)
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dm = Space (tail $ iterate left2 w) w (tail $ iterate right2 w)
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extract (Space2 _ m _) = extract m
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down2 :: Space2 t -> Space2 t
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down2 w@(Space2 u m []) = w
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down2 (Space2 u m (d:ds)) = Space2 (m:u) d ds
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up2 :: Space2 t -> Space2 t
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up2 w@(Space2 [] m d) = w
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up2 (Space2 (u:us) m d) = Space2 us u (m:d)
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left2 :: Space2 t -> Space2 t
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left2 (Space2 u m d) = Space2 (fmap left u) (left m) (fmap left d)
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right2 :: Space2 t -> Space2 t
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right2 (Space2 u m d) = Space2 (fmap right u) (right m) (fmap right d)
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bound2 :: Int -> Int -> Int -> Int -> Space2 t -> [[t]]
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bound2 u d l r (Space2 uw mw dw) = (reverse (take u (map (bound l r) uw))) ++ ((bound l r mw):(take d (map (bound l r) dw)))
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bound2w :: Int -> Int -> Space2 t -> [[t]]
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bound2w x y = bound2 (r-q) r (n-m) n
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where
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o = if odd x then 1 else 0
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m = if even x then 1 else 0
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n = (x - o) `div` 2
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p = if odd y then 1 else 0
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q = if even y then 1 else 0
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r = (y - p) `div` 2
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--------------
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-- 2d rules --
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--------------
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conway :: Space2 CellState -> CellState
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conway (Space2 (u:_) m (d:_))
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= case me of
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Alive -> if (length ns) == 2 || (length ns == 3) then Alive else Dead
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Dead -> if (length ns) == 3 then Alive else Dead
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where
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f b (Space (l:_) m (r:_)) = [l,r] ++ (if b then [m] else [])
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ns = filter (== Alive) $ concat [ (f True u), (f False m), (f True d) ]
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me = extract m
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-----------------
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-- gross io bs --
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-----------------
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@ -262,47 +119,50 @@ parseArgs = do
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header = "Usage: " ++ progName ++ " [OPTION...]"
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helpMessage = usageInfo header options
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initGame :: IO (Space2 CellState)
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initGame = do
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rng <- getStdGen
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return $ createRandSpace2 rng
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---------------
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-- main loop --
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---------------
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createRandSpace :: StdGen -> Space CellState
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createRandSpace rng =
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Space (tail $ map snd $ iterate f (r1, Alive))
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(fst (random rng))
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(tail $ map snd $ iterate f (r2, Alive))
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where
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f (r,b) = let (nb,nr) = (random r) in (nr,nb)
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(r1,r2) = split rng
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createRandSpace2 :: StdGen -> Space2 CellState
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createRandSpace2 rng =
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Space2 (tail $ map snd $ iterate f (r1, (createRandSpace r1)))
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(createRandSpace rng)
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(tail $ map snd $ iterate f (r2, (createRandSpace r2)))
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where
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f (r,s) = let (nr1,nr2) = split r in (nr2, (createRandSpace nr1))
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(r1,r2) = split rng
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-- simply print the current space, then recurse to the next
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--runAutomata :: Space2 CellState -> Int -> Int -> IO ()
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--runAutomata s 0 w = putStrLn $ concat $ map show $ boundw w s
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--runAutomata s n w = do
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-- mapM_ putStrLn $ map show $ concat $ bound2w w s
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-- runAutomata (step conway s) (n - 1) w
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main :: IO ()
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main = do
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options <- parseArgs
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rng <- getStdGen
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let cs = map (\x -> if x then Alive else Dead) $ ilobs rng
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let w = (optWidth options)
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let h = (optHeight options)
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let g = (optGenerations options)
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let s = createRandSpace2 rng
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mapM_ (f w h) (loop conway g s)
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chan <- newBChan 1
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forkIO $ forever $ do
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writeBChan chan Tick
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threadDelay 100000
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g <- initGame
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let buildVty = V.mkVty V.defaultConfig
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initialVty <- buildVty
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void $ customMain initialVty buildVty (Just chan) (app h w) (clamp2cw w h g)
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handleEvent :: (Space2 CellState) -> BrickEvent Name Tick -> EventM Name (Next (Space2 CellState))
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handleEvent g (AppEvent Tick) = continue $ step rps g
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handleEvent g (VtyEvent (V.EvKey (V.KChar 'q') [])) = halt g
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handleEvent g _ = continue g
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drawUI :: Int -> Int -> Space2 CellState -> [Widget Name]
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drawUI h w g = [ C.center $ drawGrid h w g ]
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drawGrid :: Int -> Int -> Space2 CellState -> Widget Name
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drawGrid h w g = vBox rows
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where
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f w h s = do
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mapM_ putStrLn $ map (concat . (map show)) $ bound2w w h s
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putStrLn (take w (repeat '-'))
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loop f n s = take n $ iterate (step f) s
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bw = bound2cw w h g
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rows = [ hBox $ cellsInRow r | r <- bw ]
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cellsInRow y = map drawCell y
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drawCell :: CellState -> Widget Name
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drawCell Paper = withAttr paperAttr $ str " "
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drawCell Scissors = withAttr scissorsAttr $ str " "
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drawCell Rock = withAttr rockAttr $ str " "
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rockAttr, scissorsAttr, paperAttr :: AttrName
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rockAttr = "rockAttr"
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paperAttr = "paperAttr"
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scissorsAttr = "scissorsAttr"
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176
src/Spaces.hs
Normal file
176
src/Spaces.hs
Normal file
@ -0,0 +1,176 @@
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{-# LANGUAGE BangPatterns #-}
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||||
{-# LANGUAGE DeriveGeneric #-}
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||||
|
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module Spaces where
|
||||
|
||||
import Comonad
|
||||
import System.Random
|
||||
import Control.DeepSeq
|
||||
import GHC.Generics
|
||||
|
||||
------------
|
||||
-- spaces --
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||||
------------
|
||||
|
||||
-- a locally focussed space
|
||||
data Space t = Space [t] t [t]
|
||||
deriving (Generic, Generic1)
|
||||
|
||||
instance NFData a => NFData (Space a)
|
||||
instance NFData1 Space
|
||||
|
||||
-- spaces are also functors
|
||||
instance Functor Space where
|
||||
fmap f (Space l c r) = Space (map f l) (f c) (map f r)
|
||||
|
||||
-- our space is a comonad
|
||||
instance Comonad Space where
|
||||
-- duplicate will create a new space where
|
||||
-- the focussed element is our original space
|
||||
-- and each side is increasingly shifted copies
|
||||
-- in that direction
|
||||
duplicate w =
|
||||
Space (tail $ iterate left w)
|
||||
w
|
||||
(tail $ iterate right w)
|
||||
-- extract simply returns the focussed element
|
||||
extract (Space _ c _) = c
|
||||
|
||||
-- functions for moving the point
|
||||
-- of locality.
|
||||
-- todo: question the empty list cases
|
||||
-- most spaces should be infinite
|
||||
right :: Space t -> Space t
|
||||
right w@(Space l m []) = w
|
||||
right (Space l c (r:rs)) = Space (c:l) r rs
|
||||
|
||||
left :: Space t -> Space t
|
||||
left w@(Space [] m r) = w
|
||||
left (Space (l:ls) c r) = Space ls l (c:r)
|
||||
|
||||
-- bound will take an infinite space
|
||||
-- and bound it by i and j on each side
|
||||
-- (not including the focus) and
|
||||
-- turn it into a list for printing
|
||||
bound :: Int -> Int -> Space t -> [t]
|
||||
bound i j (Space l c r) = (reverse (take i l)) ++ (c:(take j r))
|
||||
|
||||
-- boundw works as above, but the
|
||||
-- entire list will be the size
|
||||
-- given
|
||||
boundw :: Int -> Space t -> [t]
|
||||
boundw n = bound (x-m) x
|
||||
where
|
||||
o = if odd n then 1 else 0
|
||||
m = if even n then 1 else 0
|
||||
x = (n - o) `div` 2
|
||||
|
||||
---------------
|
||||
-- 2d spaces --
|
||||
---------------
|
||||
|
||||
data Space2 t =
|
||||
Space2 [(Space t)]
|
||||
(Space t)
|
||||
[(Space t)]
|
||||
deriving (Generic, Generic1)
|
||||
|
||||
instance NFData a => NFData (Space2 a)
|
||||
instance NFData1 Space2
|
||||
|
||||
instance Functor Space2 where
|
||||
fmap f (Space2 u m d) =
|
||||
Space2 (fmap (fmap f) u) (fmap f m) (fmap (fmap f) d)
|
||||
|
||||
instance Comonad Space2 where
|
||||
duplicate w =
|
||||
Space2 (tail $ iterate (f up2) dm)
|
||||
dm
|
||||
(tail $ iterate (f down2) dm)
|
||||
where
|
||||
f g (Space l m r) = Space (fmap g l) (g m) (fmap g r)
|
||||
dm = Space (tail $ iterate left2 w) w (tail $ iterate right2 w)
|
||||
extract (Space2 _ m _) = extract m
|
||||
|
||||
down2 :: Space2 t -> Space2 t
|
||||
down2 w@(Space2 u m []) = w
|
||||
down2 (Space2 u m (d:ds)) = Space2 (m:u) d ds
|
||||
|
||||
up2 :: Space2 t -> Space2 t
|
||||
up2 w@(Space2 [] m d) = w
|
||||
up2 (Space2 (u:us) m d) = Space2 us u (m:d)
|
||||
|
||||
left2 :: Space2 t -> Space2 t
|
||||
left2 (Space2 u m d) = Space2 (fmap left u) (left m) (fmap left d)
|
||||
|
||||
right2 :: Space2 t -> Space2 t
|
||||
right2 (Space2 u m d) = Space2 (fmap right u) (right m) (fmap right d)
|
||||
|
||||
bound2 :: Int -> Int -> Int -> Int -> Space2 t -> [[t]]
|
||||
bound2 u d l r (Space2 uw mw dw) = (reverse (take u (map (bound l r) uw))) ++ ((bound l r mw):(take d (map (bound l r) dw)))
|
||||
|
||||
bound2w :: Int -> Int -> Space2 t -> [[t]]
|
||||
bound2w x y = bound2 (r-q) r (n-m) n
|
||||
where
|
||||
o = if odd x then 1 else 0
|
||||
m = if even x then 1 else 0
|
||||
n = (x - o) `div` 2
|
||||
p = if odd y then 1 else 0
|
||||
q = if even y then 1 else 0
|
||||
r = (y - p) `div` 2
|
||||
|
||||
bound2cw :: NFData t => Int -> Int -> Space2 t -> [[t]]
|
||||
bound2cw x y w = bound2 (r-q) r (n-m) n $ clamp2 (r-q+1) (r+1) (n-m+1) (n+1) w
|
||||
where
|
||||
o = if odd x then 1 else 0
|
||||
m = if even x then 1 else 0
|
||||
n = (x - o) `div` 2
|
||||
p = if odd y then 1 else 0
|
||||
q = if even y then 1 else 0
|
||||
r = (y - p) `div` 2
|
||||
|
||||
clamp2cw :: NFData t => Int -> Int -> Space2 t -> Space2 t
|
||||
clamp2cw x y w = clamp2 (r-q+1) (r+1) (n-m+1) (n+1) w
|
||||
where
|
||||
o = if odd x then 1 else 0
|
||||
m = if even x then 1 else 0
|
||||
n = (x - o) `div` 2
|
||||
p = if odd y then 1 else 0
|
||||
q = if even y then 1 else 0
|
||||
r = (y - p) `div` 2
|
||||
|
||||
clamp2 :: NFData t => Int -> Int -> Int -> Int -> Space2 t -> Space2 t
|
||||
clamp2 u d l r (Space2 uw mw dw)
|
||||
= force $ Space2 (take u $ fmap (clamp l r) uw)
|
||||
(clamp l r mw)
|
||||
(take d $ fmap (clamp l r) dw)
|
||||
|
||||
clamp :: NFData t => Int -> Int -> Space t -> Space t
|
||||
clamp x y (Space l m r) = force $ Space (take x l) m (take y r)
|
||||
|
||||
-- take a space and a rule and
|
||||
-- return the next space
|
||||
step :: Comonad w => (w t -> t) -> w t -> w t
|
||||
step f w = w =>> f
|
||||
|
||||
-------------------
|
||||
-- Random Spaces --
|
||||
-------------------
|
||||
|
||||
createRandSpace :: Random a => StdGen -> Space a
|
||||
createRandSpace rng =
|
||||
Space (tail $ map snd $ iterate f (r1, (fst (random rng))))
|
||||
(fst (random rng))
|
||||
(tail $ map snd $ iterate f (r2, (fst (random rng))))
|
||||
where
|
||||
f (r,b) = let (nb,nr) = (random r) in (nr,nb)
|
||||
(r1,r2) = split rng
|
||||
|
||||
createRandSpace2 :: Random a => StdGen -> Space2 a
|
||||
createRandSpace2 rng =
|
||||
Space2 (tail $ map snd $ iterate f (r1, (createRandSpace r1)))
|
||||
(createRandSpace rng)
|
||||
(tail $ map snd $ iterate f (r2, (createRandSpace r2)))
|
||||
where
|
||||
f (r,s) = let (nr1,nr2) = split r in (nr2, (createRandSpace nr1))
|
||||
(r1,r2) = split rng
|
||||
Loading…
Reference in New Issue
Block a user