Core: Add Lifetime component and system

include/Nazara/Core/Systems/LifetimeSystem.hpp

@@ -0,0 +1,41 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_CORE_SYSTEMS_LIFETIMESYSTEM_HPP
+#define NAZARA_CORE_SYSTEMS_LIFETIMESYSTEM_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/Config.hpp>
+#include <Nazara/Utils/TypeList.hpp>
+#include <entt/entt.hpp>
+
+namespace Nz
+{
+	class NAZARA_CORE_API LifetimeSystem
+	{
+		public:
+			static constexpr bool AllowConcurrent = false;
+			static constexpr Int64 ExecutionOrder = 1'000'000;
+			using Components = TypeList<class LifetimeComponent>;
+
+			inline LifetimeSystem(entt::registry& registry);
+			LifetimeSystem(const LifetimeSystem&) = delete;
+			LifetimeSystem(LifetimeSystem&&) = delete;
+			~LifetimeSystem() = default;
+
+			void Update(float elapsedTime);
+
+			LifetimeSystem& operator=(const LifetimeSystem&) = delete;
+			LifetimeSystem& operator=(LifetimeSystem&&) = delete;
+
+		private:
+			entt::registry& m_registry;
+	};
+}
+
+#include <Nazara/Core/Systems/LifetimeSystem.inl>
+
+#endif // NAZARA_CORE_SYSTEMS_LIFETIMESYSTEM_HPP