Renamed files and moved cleaner and grid codes in separate files
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@ -1,7 +1,8 @@
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{-# LANGUAGE FlexibleContexts, TemplateHaskell #-}
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module AI.Vacuum where
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module AI.Vacuum.Cleaner where
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import AI.Vacuum.Grid
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import qualified Data.Map as M
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import Control.Monad.State
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import Prelude hiding (id, (.))
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@ -9,24 +10,11 @@ import Control.Category
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import Data.Maybe (isJust, isNothing, fromJust)
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import Data.Lens.Common
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import Data.Lens.Template
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import System.IO.Unsafe (unsafePerformIO)
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import Debug.Trace (putTraceMsg)
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trace :: String -> a -> a
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trace string expr = unsafePerformIO $ do
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putTraceMsg string
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return expr
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data Direction = North | East | South | West deriving (Eq, Show, Enum, Bounded)
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data Percept = TouchSensor | PhotoSensor | InfraredSensor deriving (Eq, Ord, Show)
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type Percepts = [Percept]
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type PerceptsHistory = [Percepts]
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data Action = GoForward | TurnRight | TurnLeft | SuckDirt | TurnOff deriving (Eq, Show)
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data CellType = Empty | Furniture | Dirt | Home deriving (Eq, Show)
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type Point = (Int, Int)
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data Cell = Cell { _point :: Point, _cellType :: CellType } deriving (Eq, Show)
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type Grid = M.Map Point Cell
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data CleanerState = On | Off deriving (Eq, Show)
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type Score = Int
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@ -41,55 +29,7 @@ data Cleaner =
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_score :: Score
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} deriving (Show)
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makeLenses [''Cell, ''Cleaner]
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class (Enum a, Eq a, Bounded a) => WrappedBoundedEnum a where
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next :: a -> a
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prev :: a -> a
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next x = if (maxBound == x) then minBound else succ x
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prev x = if (minBound == x) then maxBound else pred x
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instance WrappedBoundedEnum Direction
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right :: Direction -> Direction
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right = next
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left :: Direction -> Direction
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left = prev
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forwardPoint :: Point -> Direction -> Point
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forwardPoint (x, y) North = (x, y - 1)
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forwardPoint (x, y) East = (x + 1, y)
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forwardPoint (x, y) South = (x, y + 1)
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forwardPoint (x, y) West = (x - 1, y)
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rightPoint :: Point -> Direction -> Point
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rightPoint (x, y) North = (x + 1, y)
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rightPoint (x, y) East = (x, y + 1)
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rightPoint (x, y) South = (x - 1, y)
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rightPoint (x, y) West = (x, y - 1)
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leftPoint :: Point -> Direction -> Point
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leftPoint (x, y) North = (x -1, y)
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leftPoint (x, y) East = (x, y - 1)
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leftPoint (x, y) South = (x + 1, y)
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leftPoint (x, y) West = (x, y + 1)
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lookupCell :: Point -> Grid -> Maybe Cell
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lookupCell = M.lookup
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forwardCell :: Cell -> Direction -> Grid -> Maybe Cell
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forwardCell (Cell point _) = lookupCell . (forwardPoint point)
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rightCell :: Cell -> Direction -> Grid -> Maybe Cell
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rightCell (Cell point _) = lookupCell . (rightPoint point)
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leftCell :: Cell -> Direction -> Grid -> Maybe Cell
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leftCell (Cell point _) = lookupCell . (leftPoint point)
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gridFromCellList :: [Cell] -> Grid
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gridFromCellList = foldl (\m cell@(Cell p _) -> M.insert p cell m) M.empty
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makeLenses [''Cleaner]
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createCleaner :: Cell -> Direction -> Cleaner
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createCleaner cell dir = Cleaner On cell dir [cell^.point] [] [] 0
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@ -0,0 +1,69 @@
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{-# LANGUAGE TemplateHaskell #-}
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module AI.Vacuum.Grid where
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import qualified Data.Map as M
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import Data.Lens.Template
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import System.IO.Unsafe (unsafePerformIO)
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import Debug.Trace (putTraceMsg)
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trace :: String -> a -> a
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trace string expr = unsafePerformIO $ do
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putTraceMsg string
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return expr
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data Direction = North | East | South | West deriving (Eq, Show, Enum, Bounded)
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data CellType = Empty | Furniture | Dirt | Home deriving (Eq, Show)
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type Point = (Int, Int)
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data Cell = Cell { _point :: Point, _cellType :: CellType } deriving (Eq, Show)
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type Grid = M.Map Point Cell
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makeLenses [''Cell]
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class (Enum a, Eq a, Bounded a) => WrappedBoundedEnum a where
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next :: a -> a
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prev :: a -> a
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next x = if (maxBound == x) then minBound else succ x
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prev x = if (minBound == x) then maxBound else pred x
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instance WrappedBoundedEnum Direction
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right :: Direction -> Direction
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right = next
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left :: Direction -> Direction
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left = prev
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forwardPoint :: Point -> Direction -> Point
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forwardPoint (x, y) North = (x, y - 1)
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forwardPoint (x, y) East = (x + 1, y)
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forwardPoint (x, y) South = (x, y + 1)
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forwardPoint (x, y) West = (x - 1, y)
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rightPoint :: Point -> Direction -> Point
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rightPoint (x, y) North = (x + 1, y)
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rightPoint (x, y) East = (x, y + 1)
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rightPoint (x, y) South = (x - 1, y)
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rightPoint (x, y) West = (x, y - 1)
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leftPoint :: Point -> Direction -> Point
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leftPoint (x, y) North = (x -1, y)
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leftPoint (x, y) East = (x, y - 1)
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leftPoint (x, y) South = (x + 1, y)
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leftPoint (x, y) West = (x, y + 1)
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lookupCell :: Point -> Grid -> Maybe Cell
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lookupCell = M.lookup
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forwardCell :: Cell -> Direction -> Grid -> Maybe Cell
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forwardCell (Cell point _) = lookupCell . (forwardPoint point)
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rightCell :: Cell -> Direction -> Grid -> Maybe Cell
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rightCell (Cell point _) = lookupCell . (rightPoint point)
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leftCell :: Cell -> Direction -> Grid -> Maybe Cell
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leftCell (Cell point _) = lookupCell . (leftPoint point)
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gridFromCellList :: [Cell] -> Grid
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gridFromCellList = foldl (\m cell@(Cell p _) -> M.insert p cell m) M.empty
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@ -1,6 +1,6 @@
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module AI.Vacuum.RandomGrid where
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import AI.Vacuum
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import AI.Vacuum.Grid
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import System.Random
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import Control.Monad.State
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import qualified Data.Map as M
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@ -1,6 +1,7 @@
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module AI.Vacuum.ReflexAgent where
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import AI.Vacuum
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import AI.Vacuum.Cleaner
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import AI.Vacuum.Grid
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import AI.Vacuum.RandomGrid
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import Data.Lens.Common
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import Control.Monad.State
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@ -1,6 +1,7 @@
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module AI.Vacuum.TableLookupAgent where
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import AI.Vacuum
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import AI.Vacuum.Cleaner
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import AI.Vacuum.Grid
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import Control.Monad.State
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import Data.Lens.Common
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import Data.Maybe (isJust, isNothing, fromJust)
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