Data.Aztecs.Query

Documentation

data ReadWrites

Component IDs to read and write.

Constructors

ReadWrites (Set TypeRep) (Set TypeRep)

Instances

Monoid ReadWrites

Defined in Data.Aztecs.Query

Methods

mempty :: ReadWrites

mappend :: ReadWrites -> ReadWrites -> ReadWrites

mconcat :: [ReadWrites] -> ReadWrites

Semigroup ReadWrites

Defined in Data.Aztecs.Query

Methods

(<>) :: ReadWrites -> ReadWrites -> ReadWrites

sconcat :: NonEmpty ReadWrites -> ReadWrites

stimes :: Integral b => b -> ReadWrites -> ReadWrites

data Query m a where

Builder for a Query.

Constructors

PureQ :: a -> Query m a

MapQ :: (a -> b) -> Query m a -> Query m b

AppQ :: Query m (a -> b) -> Query m a -> Query m b

BindQ :: Query m a -> (a -> Query m b) -> Query m b

EntityQ :: Query m Entity

ReadQ :: Component c => Archetype -> Query m c

WriteQ :: Component c => (c -> c) -> Archetype -> Query m c

LiftQ :: m a -> Query m a

Instances

Applicative (Query m)

Defined in Data.Aztecs.Query

Methods

pure :: a -> Query m a

(<*>) :: Query m (a -> b) -> Query m a -> Query m b

liftA2 :: (a -> b -> c) -> Query m a -> Query m b -> Query m c

(*>) :: Query m a -> Query m b -> Query m b

(<*) :: Query m a -> Query m b -> Query m a

Functor (Query m)

Defined in Data.Aztecs.Query

Methods

fmap :: (a -> b) -> Query m a -> Query m b

(<$) :: a -> Query m b -> Query m a

Monad (Query m)

Defined in Data.Aztecs.Query

Methods

(>>=) :: Query m a -> (a -> Query m b) -> Query m b

(>>) :: Query m a -> Query m b -> Query m b

return :: a -> Query m a

entity :: Query m Entity

read :: forall m c. Component c => Query m c

Read a Component.

buildQuery :: Query m a -> Archetype

all :: MonadIO m => ArchetypeId -> Query m a -> World -> m [a]

all' :: MonadIO m => ArchetypeState -> Query m a -> World -> m [a]

get :: MonadIO m => ArchetypeId -> Query m a -> Entity -> World -> m (Maybe a)

get' :: MonadIO m => Entity -> ArchetypeState -> Query m a -> World -> m (Maybe a)

write :: forall m c. Component c => (c -> c) -> Query m c

Alter a Component.