UE4-【C++】【打包NonUASSET文件并加载】

﹏ヽ暗。殇╰゛Y 2023-06-30 04:18 3阅读 0赞

使用自定义IO操作，将目标文件（txt）放在Content

![202001142342277.png][]

1.设置附加打包目录

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![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ_size_16_color_FFFFFF_t_70 1][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ_size_16_color_FFFFFF_t_70 2][]

void UMyBlueprintFunctionLibrary::ExecuteTestCode(const FString &InPaksDir)
    {
    	UMyBlueprintFunctionLibrary::ShowGameDir();
    	FString read_str;
    	bool is_load = UMyBlueprintFunctionLibrary::LoadTxt("Datas/TbHero.txt", read_str);
    	if (is_load)
    	{
    		UE_LOG(LogTemp, Log, TEXT("read_str = %s"), *read_str);
    	}
    	return;
        FString PaksDir = InPaksDir;
        FPaths::MakeStandardFilename(PaksDir);
        UE_LOG(LogMyBPLibrary, Log, TEXT("ExecuteTestCode InPaksDir: %s"), *PaksDir);
    
        {
            FMyFileVisitor MyFileVisitor;
            FPlatformFileManager::Get().GetPlatformFile().IterateDirectoryRecursively(*PaksDir, MyFileVisitor);
    
            for (auto &f : MyFileVisitor.Files)
            {
                if (FPaths::GetExtension(f) == "pak")
                {
                    UE_LOG(LogMyBPLibrary, Log, TEXT("Find and mount pak file: %s"), *f);
                    GetPakPlatformFile()->Mount(*f, 0);
                }
            }
        }
    }
    
    
    bool UMyBlueprintFunctionLibrary::LoadTxt(FString FileNameA, FString& SaveTextA)
    {
    	const FString ThePath = FPaths::ConvertRelativePathToFull(FPaths::GameContentDir());
    	UE_LOG(LogTemp, Log, TEXT("TbHero Path = %s"), *(ThePath + FileNameA));
    	return FFileHelper::LoadFileToString(SaveTextA, *(ThePath + FileNameA));
    }
    
    
    bool UMyBlueprintFunctionLibrary::SaveTxt(FString SaveTextB, FString FileNameB)
    {
    	return FFileHelper::SaveStringToFile(SaveTextB, *(FPaths::GameDir() + FileNameB));
    }

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[202001142342277.png]: https://img-blog.csdnimg.cn/202001142342277.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200114233947194.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200114233953556.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20200114234330533.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1eGlrdW9fMQ==,size_16,color_FFFFFF,t_70
[202001142344232.png]: https://img-blog.csdnimg.cn/202001142344232.png