Entity.hpp

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#ifndef ENTITY_HPP
#define ENTITY_HPP
 
//local
 
//global
#include <cstddef>
#include <type_traits>
 
namespace ecs {
 
    class Registry;
    using RegistryRef = Registry &;
 
    class Entity {
        public:
 
            friend Registry;
 
        public:
 
            Entity() = delete;
            
            ~Entity() = default;
 
            template <typename... Component, typename =  std::enable_if_t<(sizeof...(Component) >= 1)>>
            void addComponent(Component&& ... c);
 
            template <typename... Component, typename =  std::enable_if_t<(sizeof...(Component) >= 1)>>
            void removeComponent();
 
        private:
 
            explicit Entity(size_t idx, RegistryRef ecs);
 
        private:
 
            size_t _idx;
            RegistryRef _ecs;
    };
}
 
#endif // ENTITY_HPP