Remade Entities

Former-commit-id: 25f7bc84279fdf58b44cf78e2d94b4cbb78a8410

SDK/include/NDK/EntityHandle.hpp

@@ -0,0 +1,71 @@
+// 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_ENTITYHANDLE_HPP
+#define NDK_ENTITYHANDLE_HPP
+
+#include <NDK/Prerequesites.hpp>
+#include <NDK/Entity.hpp>
+#include <ostream>
+
+namespace Ndk
+{
+	class Entity;
+
+	class EntityHandle
+	{
+		friend Entity;
+
+		public:
+			EntityHandle();
+			explicit EntityHandle(Entity* entity);
+			EntityHandle(const EntityHandle& handle);
+			EntityHandle(EntityHandle&& handle);
+			~EntityHandle();
+
+			Entity* GetEntity() const;
+
+			bool IsValid() const;
+
+			void Reset(Entity* entity = nullptr);
+			void Reset(const EntityHandle& handle);
+			void Reset(EntityHandle&& handle);
+
+			EntityHandle& Swap(EntityHandle& handle);
+
+			operator bool() const;
+			operator Entity*() const;
+			Entity* operator->() const;
+
+			EntityHandle& operator=(Entity* entity);
+			EntityHandle& operator=(const EntityHandle& handle);
+			EntityHandle& operator=(EntityHandle&& handle);
+
+			friend std::ostream& operator<<(std::ostream& out, const EntityHandle& handle);
+
+			friend bool operator==(const EntityHandle& lhs, const EntityHandle& rhs);
+			friend bool operator!=(const EntityHandle& lhs, const EntityHandle& rhs);
+			friend bool operator<(const EntityHandle& lhs, const EntityHandle& rhs);
+			friend bool operator<=(const EntityHandle& lhs, const EntityHandle& rhs);
+			friend bool operator>(const EntityHandle& lhs, const EntityHandle& rhs);
+			friend bool operator>=(const EntityHandle& lhs, const EntityHandle& rhs);
+
+		private:
+			void OnEntityDestroyed();
+			void OnEntityMoved(Entity* newEntity);
+
+			Entity* m_entity;
+	};
+}
+
+namespace std
+{
+	void swap(Ndk::EntityHandle& lhs, Ndk::EntityHandle& rhs);
+}
+
+#include <NDK/EntityHandle.inl>
+
+#endif // NDK_ENTITYHANDLE_HPP