module BishBosh.State.InstancesByPosition(
leastCyclicPlies,
InstancesByPosition(),
countConsecutiveRepeatablePlies,
countPositionRepetitions,
getNDistinctPositions,
mkInstancesByPosition,
mkSingleton,
insertPosition,
deletePosition,
anyInstancesByPosition
) where
import qualified BishBosh.Component.Move as Component.Move
import qualified BishBosh.Data.Exception as Data.Exception
import qualified BishBosh.Property.Reflectable as Property.Reflectable
import qualified BishBosh.State.Board as State.Board
import qualified Control.DeepSeq
import qualified Control.Exception
import qualified Data.Foldable
import qualified Data.Map
import qualified Data.Map.Strict
leastCyclicPlies :: Component.Move.NMoves
leastCyclicPlies :: NMoves
leastCyclicPlies = NMoves
4
type NBoardsByPosition position = Data.Map.Map position State.Board.NBoards
newtype InstancesByPosition position = MkInstancesByPosition {
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition :: NBoardsByPosition position
} deriving InstancesByPosition position
-> InstancesByPosition position -> Bool
(InstancesByPosition position
-> InstancesByPosition position -> Bool)
-> (InstancesByPosition position
-> InstancesByPosition position -> Bool)
-> Eq (InstancesByPosition position)
forall position.
Eq position =>
InstancesByPosition position
-> InstancesByPosition position -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: InstancesByPosition position
-> InstancesByPosition position -> Bool
$c/= :: forall position.
Eq position =>
InstancesByPosition position
-> InstancesByPosition position -> Bool
== :: InstancesByPosition position
-> InstancesByPosition position -> Bool
$c== :: forall position.
Eq position =>
InstancesByPosition position
-> InstancesByPosition position -> Bool
Eq
instance Control.DeepSeq.NFData position => Control.DeepSeq.NFData (InstancesByPosition position) where
rnf :: InstancesByPosition position -> ()
rnf MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = NBoardsByPosition position -> ()
forall a. NFData a => a -> ()
Control.DeepSeq.rnf NBoardsByPosition position
m
instance (
Ord position,
Property.Reflectable.ReflectableOnX position
) => Property.Reflectable.ReflectableOnX (InstancesByPosition position) where
reflectOnX :: InstancesByPosition position -> InstancesByPosition position
reflectOnX MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = NBoardsByPosition position -> InstancesByPosition position
forall position.
NBoardsByPosition position -> InstancesByPosition position
MkInstancesByPosition (NBoardsByPosition position -> InstancesByPosition position)
-> NBoardsByPosition position -> InstancesByPosition position
forall a b. (a -> b) -> a -> b
$ (position -> position)
-> NBoardsByPosition position -> NBoardsByPosition position
forall k2 k1 a. Ord k2 => (k1 -> k2) -> Map k1 a -> Map k2 a
Data.Map.mapKeys position -> position
forall a. ReflectableOnX a => a -> a
Property.Reflectable.reflectOnX NBoardsByPosition position
m
mkInstancesByPosition :: NBoardsByPosition position -> InstancesByPosition position
mkInstancesByPosition :: NBoardsByPosition position -> InstancesByPosition position
mkInstancesByPosition NBoardsByPosition position
nBoardsByPosition
| (NMoves -> Bool) -> NBoardsByPosition position -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
Data.Foldable.any (NMoves -> NMoves -> Bool
forall a. Ord a => a -> a -> Bool
< NMoves
1) NBoardsByPosition position
nBoardsByPosition = Exception -> InstancesByPosition position
forall a e. Exception e => e -> a
Control.Exception.throw (Exception -> InstancesByPosition position)
-> Exception -> InstancesByPosition position
forall a b. (a -> b) -> a -> b
$ String -> Exception
Data.Exception.mkOutOfBounds String
"BishBosh.State.InstancesByPosition.mkInstancesByPosition:\teach specified position must have been visited at least once."
| Bool
otherwise = NBoardsByPosition position -> InstancesByPosition position
forall position.
NBoardsByPosition position -> InstancesByPosition position
MkInstancesByPosition NBoardsByPosition position
nBoardsByPosition
mkSingleton :: position -> InstancesByPosition position
mkSingleton :: position -> InstancesByPosition position
mkSingleton position
position = NBoardsByPosition position -> InstancesByPosition position
forall position.
NBoardsByPosition position -> InstancesByPosition position
MkInstancesByPosition (NBoardsByPosition position -> InstancesByPosition position)
-> NBoardsByPosition position -> InstancesByPosition position
forall a b. (a -> b) -> a -> b
$ position -> NMoves -> NBoardsByPosition position
forall k a. k -> a -> Map k a
Data.Map.singleton position
position NMoves
1
countConsecutiveRepeatablePlies :: InstancesByPosition position -> Component.Move.NMoves
countConsecutiveRepeatablePlies :: InstancesByPosition position -> NMoves
countConsecutiveRepeatablePlies MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = (NMoves -> NMoves -> NMoves)
-> NMoves -> NBoardsByPosition position -> NMoves
forall a b k. (a -> b -> a) -> a -> Map k b -> a
Data.Map.foldl' NMoves -> NMoves -> NMoves
forall a. Num a => a -> a -> a
(+) (
NMoves -> NMoves
forall a. Num a => a -> a
negate NMoves
1
) NBoardsByPosition position
m
countPositionRepetitions :: InstancesByPosition position -> State.Board.NBoards
countPositionRepetitions :: InstancesByPosition position -> NMoves
countPositionRepetitions MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = (NMoves -> NMoves -> NMoves)
-> NMoves -> NBoardsByPosition position -> NMoves
forall a b k. (a -> b -> a) -> a -> Map k b -> a
Data.Map.foldl' (
NMoves -> NMoves -> NMoves
forall a. Num a => a -> a -> a
(+) (NMoves -> NMoves -> NMoves)
-> (NMoves -> NMoves) -> NMoves -> NMoves -> NMoves
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NMoves -> NMoves
forall a. Enum a => a -> a
pred
) NMoves
0 NBoardsByPosition position
m
getNDistinctPositions :: InstancesByPosition position -> State.Board.NBoards
getNDistinctPositions :: InstancesByPosition position -> NMoves
getNDistinctPositions MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = NBoardsByPosition position -> NMoves
forall k a. Map k a -> NMoves
Data.Map.size NBoardsByPosition position
m
anyInstancesByPosition
:: (State.Board.NBoards -> Bool)
-> InstancesByPosition position
-> Bool
anyInstancesByPosition :: (NMoves -> Bool) -> InstancesByPosition position -> Bool
anyInstancesByPosition NMoves -> Bool
predicate MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = (NMoves -> Bool) -> NBoardsByPosition position -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
Data.Foldable.any NMoves -> Bool
predicate NBoardsByPosition position
m
type Transformation position = InstancesByPosition position -> InstancesByPosition position
insertPosition
:: Ord position
=> Bool
-> position
-> Transformation position
insertPosition :: Bool -> position -> Transformation position
insertPosition Bool
isRepeatable position
position MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = NBoardsByPosition position -> InstancesByPosition position
forall position.
NBoardsByPosition position -> InstancesByPosition position
MkInstancesByPosition (NBoardsByPosition position -> InstancesByPosition position)
-> NBoardsByPosition position -> InstancesByPosition position
forall a b. (a -> b) -> a -> b
$ if Bool
isRepeatable
then (NMoves -> NMoves -> NMoves)
-> position
-> NMoves
-> NBoardsByPosition position
-> NBoardsByPosition position
forall k a. Ord k => (a -> a -> a) -> k -> a -> Map k a -> Map k a
Data.Map.Strict.insertWith ((NMoves -> NMoves) -> NMoves -> NMoves -> NMoves
forall a b. a -> b -> a
const NMoves -> NMoves
forall a. Enum a => a -> a
succ) position
position NMoves
1 NBoardsByPosition position
m
else position -> NMoves -> NBoardsByPosition position
forall k a. k -> a -> Map k a
Data.Map.singleton position
position NMoves
1
deletePosition :: Ord position => position -> Transformation position
deletePosition :: position -> Transformation position
deletePosition position
position MkInstancesByPosition { getNBoardsByPosition :: forall position.
InstancesByPosition position -> NBoardsByPosition position
getNBoardsByPosition = NBoardsByPosition position
m } = Bool -> Transformation position
forall a. (?callStack::CallStack) => Bool -> a -> a
Control.Exception.assert (position -> NBoardsByPosition position -> Bool
forall k a. Ord k => k -> Map k a -> Bool
Data.Map.member position
position NBoardsByPosition position
m) Transformation position
-> (NBoardsByPosition position -> InstancesByPosition position)
-> NBoardsByPosition position
-> InstancesByPosition position
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NBoardsByPosition position -> InstancesByPosition position
forall position.
NBoardsByPosition position -> InstancesByPosition position
MkInstancesByPosition (NBoardsByPosition position -> InstancesByPosition position)
-> NBoardsByPosition position -> InstancesByPosition position
forall a b. (a -> b) -> a -> b
$ (NMoves -> Maybe NMoves)
-> position
-> NBoardsByPosition position
-> NBoardsByPosition position
forall k a. Ord k => (a -> Maybe a) -> k -> Map k a -> Map k a
Data.Map.update (
\NMoves
n -> if NMoves
n NMoves -> NMoves -> Bool
forall a. Eq a => a -> a -> Bool
== NMoves
1
then Maybe NMoves
forall a. Maybe a
Nothing
else NMoves -> Maybe NMoves
forall a. a -> Maybe a
Just (NMoves -> Maybe NMoves) -> NMoves -> Maybe NMoves
forall a b. (a -> b) -> a -> b
$ NMoves -> NMoves
forall a. Enum a => a -> a
pred NMoves
n
) position
position NBoardsByPosition position
m