#pragma once#include \"CoreMinimal.h\"#include \"UObject/NoExportTypes.h\"#include \"Engine/StreamableManager.h\"#include \"MapLoaderManager.generated.h\"UCLASS()class XXXPROJECT_API UMapLoaderManager : public UObject{GENERATED_BODY()private:// 单例核心（修正：移除拷贝构造函数的显式删除，解决C2535）UMapLoaderManager(); // 仅保留私有构造函数// 移除这行：UMapLoaderManager(const UMapLoaderManager&) = delete;static UMapLoaderManager* Instance;static FCriticalSection SingletonLock;public:static UMapLoaderManager* GetInstance();// 原有所有接口（不变）virtual ~UMapLoaderManager();void LoadMapSync(const FString& MapName);void LoadMapAsync(const FString& MapName);void LoadMapSeamless(const FString& MapName);bool IsMapValid(const FString& MapName) const;void OnAsyncMapLoaded(const FString& MapBaseName);private:// 原有所有私有成员（不变）FString CurrentLoadingMap;UPROPERTY()bool bIsLoading;FStreamableHandle* AsyncLoadHandle;FString GetValidMapPath(const FString& MapName) const;FString CurrentMapName;};
// 仅保留必要且兼容UE4.27的头文件#include \"MapLoaderManager.h\"#include \"Kismet/GameplayStatics.h\"#include \"Engine/World.h\"#include \"Misc/Paths.h\"#include \"Engine/Engine.h\"#include \"AssetRegistryModule.h\"#include \"Engine/StreamableManager.h\"// -------------------------- 单例静态成员初始化（新增） --------------------------UMapLoaderManager* UMapLoaderManager::Instance = nullptr;FCriticalSection UMapLoaderManager::SingletonLock;// 全局StreamableManager实例（原有保留）FStreamableManager GStreamableManager;// -------------------------- 单例全局访问接口实现（新增） --------------------------UMapLoaderManager* UMapLoaderManager::GetInstance(){// 线程安全锁：确保多线程下只创建一个实例FScopeLock Lock(&SingletonLock);if (Instance == nullptr){// 创建实例（UE4 UObject需通过NewObject创建，避免内存泄漏）Instance = NewObject();// 标记为永久对象：防止被GC回收（全局单例需常驻内存）Instance->AddToRoot();}return Instance;}// -------------------------- 原有构造函数（仅改访问权限为private，逻辑不动） --------------------------UMapLoaderManager::UMapLoaderManager(): Super(), bIsLoading(false), AsyncLoadHandle(nullptr){}// -------------------------- 原有析构函数（逻辑不动） --------------------------U
