Function invoke
Synopsis
#include <src/entt/entity/helper.hpp>
template <auto Member, typename Entity = entity>
void invoke(basic_registry< Entity > ®, const Entity entt)
Description
Helper to create a listener that directly invokes a member function.
- Template Parameters
Member- Member function to invoke on a component of the given type.Entity- A valid entity type (see entt_traits for more details).- Parameters
reg- A registry that contains the given entity and its components.entt- Entity from which to get the component.
Mentioned in
- Entity Component System / Invoke
Source
Lines 129-135 in src/entt/entity/helper.hpp.
template<auto Member, typename Entity = entity>
void invoke(basic_registry<Entity> ®, const Entity entt) {
static_assert(std::is_member_function_pointer_v<decltype(Member)>, "Invalid pointer to non-static member function");
delegate<void(basic_registry<Entity> &, const Entity)> func;
func.template connect<Member>(reg.template get<member_class_t<decltype(Member)>>(entt));
func(reg, entt);
}