component.hpp

#ifndef ENTT_ENTITY_COMPONENT_HPP
#define ENTT_ENTITY_COMPONENT_HPP


#include <type_traits>
#include "default_storage.hpp"


namespace entt {


template<typename>
struct component_traits;


template<typename Type, typename = std::void_t<>>
struct component_pool {
    template<typename Entity>
    using type = default_storage<Entity, Type>;
};


template<typename Type>
struct component_pool<Type, std::void_t<typename component_traits<Type>::pool_type>> {
    template<typename Entity>
    using type = typename component_traits<Type>::pool_type;
};


template<typename Entity, typename Type>
using component_pool_t = typename component_pool<Type>::template type<Entity>;


}


#endif // ENTT_ENTITY_COMPONENT_HPP