#include <core/ecs/system/fetcher.hpp>
template<typename T>
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.
Constructors, destructors, conversion operators
- SystemFetcher(World& world, const SystemOptions& options)
- Called when a system is constructed for the first time.
Public functions
- 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.
Function documentation
template<typename T>
cubos:: core:: ecs:: SystemFetcher<T>:: SystemFetcher(World& world,
const SystemOptions& options)
Called when a system is constructed for the first time.
Parameters | |
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world | World to extract data from. |
options | Argument options. |
template<typename T>
void cubos:: core:: ecs:: SystemFetcher<T>:: analyze(SystemAccess& access) const
Called to determine the access patterns of the argument.
Parameters | |
---|---|
access out | Access patterns to add info to. |
template<typename T>
T cubos:: core:: ecs:: SystemFetcher<T>:: fetch(const SystemContext& ctx)
Called each system run to fetch the data from the world.
Parameters | |
---|---|
ctx | Context. |