Safe Haskell	Safe-Inferred
Language	Haskell2010

Aztecs.ECS.Query.Reader

Contents

Queries
- Running
Filters

Synopsis

newtype QueryReader i o = QueryReader {
- runQueryReader :: Components -> (Set ComponentID, Components, DynamicQueryReader i o)
}
class Arrow arr => ArrowQueryReader arr where
- fetch :: Component a => arr () a
- fetchMaybe :: Component a => arr () (Maybe a)
class Arrow arr => ArrowDynamicQueryReader arr where
- entity :: arr () EntityID
- fetchDyn :: Component a => ComponentID -> arr () a
- fetchMaybeDyn :: Component a => ComponentID -> arr () (Maybe a)
all :: i -> QueryReader i a -> Entities -> ([a], Entities)
all' :: i -> QueryReader i a -> Entities -> ([a], Components)
newtype QueryFilter = QueryFilter {
- runQueryFilter :: Components -> (DynamicQueryFilter, Components)
}
with :: forall a. Component a => QueryFilter
without :: forall a. Component a => QueryFilter
data DynamicQueryFilter = DynamicQueryFilter {
- filterWith :: !(Set ComponentID)
- filterWithout :: !(Set ComponentID)
}

Queries

newtype QueryReader i o Source #

Query to read from entities.

Constructors

QueryReader
Fields runQueryReader :: Components -> (Set ComponentID, Components, DynamicQueryReader i o)

Instances

Instances details

ArrowDynamicQueryReader QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods entity :: QueryReader () EntityID Source # fetchDyn :: Component a => ComponentID -> QueryReader () a Source # fetchMaybeDyn :: Component a => ComponentID -> QueryReader () (Maybe a) Source #
ArrowQueryReader QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods fetch :: Component a => QueryReader () a Source # fetchMaybe :: Component a => QueryReader () (Maybe a) Source #
Arrow QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods arr :: (b -> c) -> QueryReader b c # first :: QueryReader b c -> QueryReader (b, d) (c, d) # second :: QueryReader b c -> QueryReader (d, b) (d, c) # (***) :: QueryReader b c -> QueryReader b' c' -> QueryReader (b, b') (c, c') # (&&&) :: QueryReader b c -> QueryReader b c' -> QueryReader b (c, c') #
ArrowChoice QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods left :: QueryReader b c -> QueryReader (Either b d) (Either c d) # right :: QueryReader b c -> QueryReader (Either d b) (Either d c) # (+++) :: QueryReader b c -> QueryReader b' c' -> QueryReader (Either b b') (Either c c') # (\|\|\|) :: QueryReader b d -> QueryReader c d -> QueryReader (Either b c) d #
Category QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods id :: forall (a :: k). QueryReader a a # (.) :: forall (b :: k) (c :: k) (a :: k). QueryReader b c -> QueryReader a b -> QueryReader a c #
Monad m => ArrowReaderSystem QueryReader (SystemT m) Source #
Instance details Defined in Aztecs.ECS.System Methods all :: QueryReader i a -> SystemT m i [a] Source # filter :: QueryReader () a -> QueryFilter -> SystemT m () [a] Source # single :: QueryReader i a -> SystemT m i a Source #
Monad m => ArrowReaderSystem QueryReader (ReaderSystemT m) Source #
Instance details Defined in Aztecs.ECS.System.Reader Methods all :: QueryReader i a -> ReaderSystemT m i [a] Source # filter :: QueryReader () a -> QueryFilter -> ReaderSystemT m () [a] Source # single :: QueryReader i a -> ReaderSystemT m i a Source #
Applicative (QueryReader i) Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods pure :: a -> QueryReader i a # (<>) :: QueryReader i (a -> b) -> QueryReader i a -> QueryReader i b # liftA2 :: (a -> b -> c) -> QueryReader i a -> QueryReader i b -> QueryReader i c # (>) :: QueryReader i a -> QueryReader i b -> QueryReader i b # (<*) :: QueryReader i a -> QueryReader i b -> QueryReader i a #
Functor (QueryReader i) Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods fmap :: (a -> b) -> QueryReader i a -> QueryReader i b # (<$) :: a -> QueryReader i b -> QueryReader i a #

class Arrow arr => ArrowQueryReader arr where Source #

Arrow for queries that can read from entities.

Minimal complete definition

fetch

Methods

fetch :: Component a => arr () a Source #

Fetch a Component by its type.

fetchMaybe :: Component a => arr () (Maybe a) Source #

Fetch a Component by its type, returning Nothing if it doesn't exist.

Instances

Instances details

ArrowQueryReader Query Source #
Instance details Defined in Aztecs.ECS.Query Methods fetch :: Component a => Query () a Source # fetchMaybe :: Component a => Query () (Maybe a) Source #
ArrowQueryReader QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods fetch :: Component a => QueryReader () a Source # fetchMaybe :: Component a => QueryReader () (Maybe a) Source #

class Arrow arr => ArrowDynamicQueryReader arr where Source #

Minimal complete definition

entity, fetchDyn

Methods

entity :: arr () EntityID Source #

Fetch the currently matched EntityID.

fetchDyn :: Component a => ComponentID -> arr () a Source #

Fetch a Component by its ComponentID.

fetchMaybeDyn :: Component a => ComponentID -> arr () (Maybe a) Source #

Try to fetch a Component by its ComponentID.

Instances

Instances details

ArrowDynamicQueryReader Query Source #
Instance details Defined in Aztecs.ECS.Query Methods entity :: Query () EntityID Source # fetchDyn :: Component a => ComponentID -> Query () a Source # fetchMaybeDyn :: Component a => ComponentID -> Query () (Maybe a) Source #
ArrowDynamicQueryReader DynamicQuery Source #
Instance details Defined in Aztecs.ECS.Query.Dynamic Methods entity :: DynamicQuery () EntityID Source # fetchDyn :: Component a => ComponentID -> DynamicQuery () a Source # fetchMaybeDyn :: Component a => ComponentID -> DynamicQuery () (Maybe a) Source #
ArrowDynamicQueryReader DynamicQueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Dynamic.Reader Methods entity :: DynamicQueryReader () EntityID Source # fetchDyn :: Component a => ComponentID -> DynamicQueryReader () a Source # fetchMaybeDyn :: Component a => ComponentID -> DynamicQueryReader () (Maybe a) Source #
ArrowDynamicQueryReader QueryReader Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods entity :: QueryReader () EntityID Source # fetchDyn :: Component a => ComponentID -> QueryReader () a Source # fetchMaybeDyn :: Component a => ComponentID -> QueryReader () (Maybe a) Source #

Running

all :: i -> QueryReader i a -> Entities -> ([a], Entities) Source #

all' :: i -> QueryReader i a -> Entities -> ([a], Components) Source #

Match all entities.

Filters

newtype QueryFilter Source #

Filter for a Query.

Constructors

QueryFilter
Fields runQueryFilter :: Components -> (DynamicQueryFilter, Components)

Instances

Instances details

Monoid QueryFilter Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods mempty :: QueryFilter # mappend :: QueryFilter -> QueryFilter -> QueryFilter # mconcat :: [QueryFilter] -> QueryFilter #
Semigroup QueryFilter Source #
Instance details Defined in Aztecs.ECS.Query.Reader Methods (<>) :: QueryFilter -> QueryFilter -> QueryFilter # sconcat :: NonEmpty QueryFilter -> QueryFilter # stimes :: Integral b => b -> QueryFilter -> QueryFilter #

with :: forall a. Component a => QueryFilter Source #

Filter for entities containing this component.

without :: forall a. Component a => QueryFilter Source #

Filter out entities containing this component.

data DynamicQueryFilter Source #

Constructors

DynamicQueryFilter
Fields filterWith :: !(Set ComponentID) filterWithout :: !(Set ComponentID)

Instances

Instances details

Monoid DynamicQueryFilter Source #
Instance details Defined in Aztecs.ECS.Query.Dynamic.Reader Methods mempty :: DynamicQueryFilter # mappend :: DynamicQueryFilter -> DynamicQueryFilter -> DynamicQueryFilter # mconcat :: [DynamicQueryFilter] -> DynamicQueryFilter #
Semigroup DynamicQueryFilter Source #
Instance details Defined in Aztecs.ECS.Query.Dynamic.Reader Methods (<>) :: DynamicQueryFilter -> DynamicQueryFilter -> DynamicQueryFilter # sconcat :: NonEmpty DynamicQueryFilter -> DynamicQueryFilter # stimes :: Integral b => b -> DynamicQueryFilter -> DynamicQueryFilter #