SDK: Add components and system for 2D physics

SDK/include/NDK/Components/CollisionComponent2D.hpp

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+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#pragma once
+
+#ifndef NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP
+#define NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP
+
+#include <Nazara/Physics2D/Collider2D.hpp>
+#include <NDK/Component.hpp>
+#include <memory>
+
+namespace Nz
+{
+	class RigidBody2D;
+}
+
+namespace Ndk
+{
+	class Entity;
+
+	class NDK_API CollisionComponent2D : public Component<CollisionComponent2D>
+	{
+		friend class PhysicsSystem2D;
+
+		public:
+			CollisionComponent2D(Nz::Collider2DRef geom = Nz::Collider2DRef());
+			CollisionComponent2D(const CollisionComponent2D& collision);
+			~CollisionComponent2D() = default;
+
+			const Nz::Collider2DRef& GetGeom() const;
+
+			void SetGeom(Nz::Collider2DRef geom);
+
+			CollisionComponent2D& operator=(Nz::Collider2DRef geom);
+			CollisionComponent2D& operator=(CollisionComponent2D&& collision) = default;
+
+			static ComponentIndex componentIndex;
+
+		private:
+			void InitializeStaticBody();
+			Nz::RigidBody2D* GetStaticBody();
+
+			void OnAttached() override;
+			void OnComponentAttached(BaseComponent& component) override;
+			void OnComponentDetached(BaseComponent& component) override;
+			void OnDetached() override;
+
+			std::unique_ptr<Nz::RigidBody2D> m_staticBody;
+			Nz::Collider2DRef m_geom;
+			bool m_bodyUpdated;
+	};
+}
+
+#include <NDK/Components/CollisionComponent2D.inl>
+
+#endif // NDK_COMPONENTS_COLLISIONCOMPONENT2D_HPP