aztecs-0.8.0: A modular game engine and Entity-Component-System (ECS) for Haskell.
Safe HaskellSafe-Inferred
LanguageHaskell2010

Aztecs.ECS.Query.Dynamic.Reader.Class

Documentation

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 #