#pragma once
#include "DeerCore/Tools/Memory.h"

namespace Deer {
	class World;
	class WorldSettings;

	namespace Universe {
		struct WorldHandle {
			uint32_t worldId = 0;
			uint32_t generation = 0;

			WorldHandle() {}
			WorldHandle(uint32_t _worldId, uint32_t _generation) : worldId(_worldId), generation(_generation) {}
		};

		struct EntityHandle {
			uint32_t entityId = 0;
			WorldHandle worldId;
		};

		WorldHandle createWorld(const WorldSettings&);
		World& getWorld(WorldHandle);

		void destroyWorld(WorldHandle);
		void destroyAllWorlds();

		void flushDestroyedWorlds();
	} // namespace Universe
} // namespace Deer