cubos::core::ecs::SystemFetcher class

Type meant to be specialized which implements for each argument type the necessary logic to extract it from the world.

Template parameters
T	Argument type.

Public static variables

static bool ConsumesOptions constexpr: Indicates whether this argument type consumes system options.

SystemFetcher(World& world, const SystemOptions& options): Called when a system is constructed for the first time.

void analyze(SystemAccess& access) const: Called to determine the access patterns of the argument.
auto fetch(const SystemContext& ctx) -> T: Called each system run to fetch the data from the world.

Called when a system is constructed for the first time.

Parameters
world	World to extract data from.
options	Argument options.

Called to determine the access patterns of the argument.

Parameters
access out	Access patterns to add info to.

Called each system run to fetch the data from the world.

Parameters
ctx	Context.