com.alicizax.unity.tuyoogam.../Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs
2025-04-01 21:12:28 +08:00

126 lines
4.3 KiB
C#

using System;
using System.IO;
using System.Collections;
using System.Collections.Generic;
namespace YooAsset
{
internal sealed class SearchCacheFilesOperation : AsyncOperationBase
{
private enum ESteps
{
None,
Prepare,
SearchFiles,
Done,
}
private readonly DefaultCacheFileSystem _fileSystem;
private IEnumerator<DirectoryInfo> _filesEnumerator = null;
private float _verifyStartTime;
private ESteps _steps = ESteps.None;
/// <summary>
/// 需要验证的元素
/// </summary>
public readonly List<VerifyFileElement> Result = new List<VerifyFileElement>(5000);
internal SearchCacheFilesOperation(DefaultCacheFileSystem fileSystem)
{
_fileSystem = fileSystem;
}
internal override void InternalStart()
{
_steps = ESteps.Prepare;
_verifyStartTime = UnityEngine.Time.realtimeSinceStartup;
}
internal override void InternalUpdate()
{
if (_steps == ESteps.None || _steps == ESteps.Done)
return;
if (_steps == ESteps.Prepare)
{
DirectoryInfo rootDirectory = new DirectoryInfo(_fileSystem.GetCacheBundleFilesRoot());
if (rootDirectory.Exists)
{
var directorieInfos = rootDirectory.EnumerateDirectories();
_filesEnumerator = directorieInfos.GetEnumerator();
}
_steps = ESteps.SearchFiles;
}
if (_steps == ESteps.SearchFiles)
{
if (SearchFiles())
return;
_steps = ESteps.Done;
Status = EOperationStatus.Succeed;
float costTime = UnityEngine.Time.realtimeSinceStartup - _verifyStartTime;
YooLogger.Log($"Search cache files elapsed time {costTime:f1} seconds");
}
}
private bool SearchFiles()
{
if (_filesEnumerator == null)
return false;
bool isFindItem;
while (true)
{
isFindItem = _filesEnumerator.MoveNext();
if (isFindItem == false)
break;
var rootFoder = _filesEnumerator.Current;
var childDirectories = rootFoder.GetDirectories();
foreach (var chidDirectory in childDirectories)
{
string bundleGUID = chidDirectory.Name;
if (_fileSystem.IsRecordBundleFile(bundleGUID))
continue;
// 创建验证元素类
string fileRootPath = chidDirectory.FullName;
string dataFilePath = $"{fileRootPath}/{DefaultCacheFileSystemDefine.BundleDataFileName}";
string infoFilePath = $"{fileRootPath}/{DefaultCacheFileSystemDefine.BundleInfoFileName}";
// 存储的数据文件追加文件格式
if (_fileSystem.AppendFileExtension)
{
string dataFileExtension = FindDataFileExtension(chidDirectory);
if (string.IsNullOrEmpty(dataFileExtension) == false)
{
dataFilePath += dataFileExtension;
}
}
var element = new VerifyFileElement(_fileSystem.PackageName, bundleGUID, fileRootPath, dataFilePath, infoFilePath);
Result.Add(element);
}
if (OperationSystem.IsBusy)
break;
}
return isFindItem;
}
private string FindDataFileExtension(DirectoryInfo directoryInfo)
{
string dataFileExtension = string.Empty;
var fileInfos = directoryInfo.GetFiles();
foreach (var fileInfo in fileInfos)
{
if (fileInfo.Name.StartsWith(DefaultCacheFileSystemDefine.BundleDataFileName))
{
dataFileExtension = fileInfo.Extension;
break;
}
}
return dataFileExtension;
}
}
}