#pragma once

#include "Export.h"

#include "Singleton.hpp"

#include "UUID.h"

#include <shared_mutex>

#include <vector>

#include <unordered_map>

#include <unordered_set>

namespace sh::core

{

class SObject;

/// @brief 모든 SObject는 여기서 관리된다. 스레드 안전하다.

class SObjectManager : public Singleton<SObjectManager>

{

friend Singleton<SObjectManager>;

friend class GarbageCollection;

private:

std::unordered_map<UUID, std::size_t> objIdxMap;

std::vector<SObject*> objs;

std::unordered_set<const SObject*> objPtrs;

std::shared_mutex mu;

private:

SH_CORE_API SObjectManager();

public:

SH_CORE_API ~SObjectManager();

SH_CORE_API void RegisterSObject(SObject* obj);

SH_CORE_API void UnRegisterSObject(const SObject* obj);

SH_CORE_API auto GetSObject(const UUID& uuid) -> SObject*;

SH_CORE_API auto IsSObject(void* ptr) -> bool;

};

}//namespace