Core: Add Lifetime component and system

include/Nazara/Core/Components/LifetimeComponent.inl

@@ -0,0 +1,31 @@
+// 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
+
+#include <Nazara/Core/Components/LifetimeComponent.hpp>
+#include <Nazara/Core/Debug.hpp>
+
+namespace Nz
+{
+	inline LifetimeComponent::LifetimeComponent(float lifetime) :
+	m_remainingLifetime(lifetime)
+	{
+	}
+
+	inline void LifetimeComponent::DecreaseLifetime(float elapsedTime)
+	{
+		m_remainingLifetime -= elapsedTime;
+	}
+
+	inline float LifetimeComponent::GetRemainingLifeTime() const
+	{
+		return m_remainingLifetime;
+	}
+
+	inline bool LifetimeComponent::IsAlive() const
+	{
+		return m_remainingLifetime >= 0.f;
+	}
+}
+
+#include <Nazara/Core/DebugOff.hpp>