Struct Storage
Synopsis
#include <src/entt/entity/poly_storage.hpp>
template<typename Entity>
struct Storage: type_list<
type_info() const ENTT_NOEXCEPT,
void(basic_registry<Entity> &, const Entity *, const Entity *)
>
Description
Basic poly storage implementation.
- Template Parameters
Entity- A valid entity type (see entt_traits for more details).
Inheritance
Ancestors: type_list
Structures
| type | Concept definition. |
Source
Lines 20-66 in src/entt/entity/poly_storage.hpp.
template<typename Entity>
struct Storage: type_list<
type_info() const ENTT_NOEXCEPT,
void(basic_registry<Entity> &, const Entity *, const Entity *)
> {
/*! @brief Underlying entity identifier. */
using entity_type = Entity;
/*! @brief Unsigned integer type. */
using size_type = std::size_t;
/**
* @brief Concept definition.
* @tparam Base Opaque base class from which to inherit.
*/
template<typename Base>
struct type: Base {
/**
* @brief Returns a type info for the contained objects.
* @return The type info for the contained objects.
*/
type_info value_type() const ENTT_NOEXCEPT {
return poly_call<0>(*this);
}
/**
* @brief Removes entities from a storage.
* @param owner The registry that issued the request.
* @param first An iterator to the first element of the range of
* entities.
* @param last An iterator past the last element of the range of
* entities.
*/
void remove(basic_registry<entity_type> &owner, const entity_type *first, const entity_type *last) {
poly_call<1>(*this, owner, first, last);
}
};
/**
* @brief Concept implementation.
* @tparam Type Type for which to generate an implementation.
*/
template<typename Type>
using impl = value_list<
&type_id<typename Type::value_type>,
&Type::template remove<const entity_type *>
>;
};