Sdk: Remove systems clone (and thus need for copy constructor)

SDK/include/NDK/BaseSystem.hpp

@@ -22,14 +22,12 @@ namespace Ndk
 
 		public:
 			inline BaseSystem(SystemIndex systemId);
-			inline BaseSystem(const BaseSystem&);
+			BaseSystem(const BaseSystem&) = delete;
 			BaseSystem(BaseSystem&&) noexcept = default;
 			virtual ~BaseSystem();
 
 			inline void Enable(bool enable = true);
 
-			virtual std::unique_ptr<BaseSystem> Clone() const = 0;
-
 			bool Filters(const Entity* entity) const;
 
 			inline const EntityList& GetEntities() const;

SDK/include/NDK/BaseSystem.inl

@@ -23,24 +23,6 @@ namespace Ndk
 		SetMaximumUpdateRate(30);
 	}
 
-	/*!
-	* \brief Constructs a BaseSystem object by copy semantic
-	*
-	* \param system System to copy
-	*/
-
-	inline BaseSystem::BaseSystem(const BaseSystem& system) :
-	m_excludedComponents(system.m_excludedComponents),
-	m_requiredComponents(system.m_requiredComponents),
-	m_systemIndex(system.m_systemIndex),
-	m_updateEnabled(system.m_updateEnabled),
-	m_fixedUpdateRate(system.m_fixedUpdateRate),
-	m_maxUpdateRate(system.m_maxUpdateRate),
-	m_updateCounter(0.f),
-	m_updateOrder(system.m_updateOrder)
-	{
-	}
-
 	/*!
 	* \brief Enables the system
 	*

SDK/include/NDK/System.hpp

@@ -16,12 +16,10 @@ namespace Ndk
 	{
 		public:
 			System();
-			System(const System&) = default;
+			System(const System&) = delete;
 			System(System&&) = default;
 			virtual ~System();
 
-			std::unique_ptr<BaseSystem> Clone() const override;
-
 			System& operator=(const System&) = delete;
 			System& operator=(System&&) = default;
 

SDK/include/NDK/System.inl

@@ -28,22 +28,6 @@ namespace Ndk
 	template<typename SystemType>
 	System<SystemType>::~System() = default;
 
-	/*!
-	* \brief Clones the system
-	* \return The clone newly created
-	*
-	* \remark The system to clone should be trivially copy constructible
-	*/
-
-	template<typename SystemType>
-	std::unique_ptr<BaseSystem> System<SystemType>::Clone() const
-	{
-		///FIXME: Not fully supported in GCC (4.9.2)
-		//static_assert(std::is_trivially_copy_constructible<SystemType>::value, "SystemType should be copy-constructible");
-
-		return std::make_unique<SystemType>(static_cast<const SystemType&>(*this));
-	}
-
 	/*!
 	* \brief Registers the system by assigning it an index
 	*/

SDK/include/NDK/Systems/RenderSystem.inl

@@ -4,17 +4,6 @@
 
 namespace Ndk
 {
-	/*!
-	* \brief Constructs a RenderSystem object by copy semantic
-	*
-	* \param renderSystem RenderSystem to copy
-	*/
-
-	inline RenderSystem::RenderSystem(const RenderSystem& renderSystem) :
-	System(renderSystem)
-	{
-	}
-
 	/*!
 	* \brief Changes the render technique used for the system
 	* \return A reference to the render technique type

SDK/src/NDK/Systems/PhysicsSystem2D.cpp

@@ -31,18 +31,6 @@ namespace Ndk
 		Excludes<PhysicsComponent3D>();
 	}
 
-	/*!
-	* \brief Constructs a PhysicsSystem object by copy semantic
-	*
-	* \param system PhysicsSystem to copy
-	*/
-
-	PhysicsSystem2D::PhysicsSystem2D(const PhysicsSystem2D& system) :
-	System(system),
-	m_world()
-	{
-	}
-
 	void PhysicsSystem2D::CreatePhysWorld() const
 	{
 		NazaraAssert(!m_world, "Physics world should not be created twice");

SDK/src/NDK/Systems/PhysicsSystem3D.cpp

@@ -31,18 +31,6 @@ namespace Ndk
 		Excludes<PhysicsComponent2D>();
 	}
 
-	/*!
-	* \brief Constructs a PhysicsSystem object by copy semantic
-	*
-	* \param system PhysicsSystem to copy
-	*/
-
-	PhysicsSystem3D::PhysicsSystem3D(const PhysicsSystem3D& system) :
-	System(system),
-	m_world()
-	{
-	}
-
 	void PhysicsSystem3D::CreatePhysWorld() const
 	{
 		NazaraAssert(!m_world, "Physics world should not be created twice");