(NDK) First commit

-Still missing a build file
-This is an Entity Component System, without any component nor system,
so this is an Entity. Yay.


Former-commit-id: f04d2fdfe8819826f940469c2618140a26afa637

SDK/include/NDK/World.hpp

@@ -0,0 +1,47 @@
+// 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_WORLD_HPP
+#define NDK_WORLD_HPP
+
+#include <Nazara/Core/NonCopyable.hpp>
+#include <NDK/Prerequesites.hpp>
+#include <NDK/Entity.hpp>
+#include <vector>
+
+namespace Ndk
+{
+	class NDK_API World : NzNonCopyable
+	{
+		public:
+			using EntityList = std::vector<Entity>;
+
+			World();
+			~World();
+
+			Entity CreateEntity();
+			EntityList CreateEntities(unsigned int count);
+
+			void KillEntity(Entity& entity);
+			void KillEntities(EntityList& list);
+
+			Entity GetEntity(Entity::Id id);
+
+			bool IsEntityValid(const Entity& entity) const;
+			bool IsEntityIdValid(Entity::Id id) const;
+
+			void Update();
+
+		private:
+			std::vector<nzUInt32> m_entitiesCounter;
+			std::vector<Entity::Id> m_freeIdList;
+			EntityList m_aliveEntities;
+			EntityList m_killedEntities;
+			nzUInt32 m_nextIndex;
+	};
+}
+
+#endif // NDK_WORLD_HPP