public static void GenAssetsMD5()
{
XmlDocument xmldoc = new XmlDocument();
XmlDeclaration xmldecl = xmldoc.CreateXmlDeclaration("1.0", "UTF-8", "yes");
xmldoc.AppendChild(xmldecl);
//加入一个根元素
XmlElement xmlRootElem = xmldoc.CreateElement("", "AssetsMD5", "");
xmldoc.AppendChild(xmlRootElem);
List <string> fileList = PackUtils.GetFilesFormFolder("/StreamingAssets/", "*.*", true);
for (int i = 0; i < fileList.Count; i++)
{
string filePath = fileList[i].Replace("Assets/StreamingAssets/", "");
string fileMD5 = ResUtils.GetFileMD5(Application.dataPath + "/StreamingAssets/" + filePath);
XmlNode root = xmldoc.SelectSingleNode("AssetsMD5");
XmlElement xe1 = xmldoc.CreateElement("File");
xe1.SetAttribute("path", filePath);
xe1.SetAttribute("md5", fileMD5);
root.AppendChild(xe1);
}
//保存创建好的XML文档
string xmlFilePath = Application.dataPath + "/Resources/AssetsMD5.xml";
xmldoc.Save(xmlFilePath);
}
/// <summary>
/// 遍历目录下的资源文件，生成索引文件
/// </summary>
/// <param name="resDir">要遍历的目录</param>
private static void GenerateIndexFile(string resDir)
{
string platName = resDir;
if (platName[platName.Length - 1] == '/')
{
platName = platName.Substring(0, platName.Length - 1);
}
platName = platName.Substring(platName.LastIndexOf('/') + 1);
DirectoryInfo dirInfo = new DirectoryInfo(resDir);
var files = dirInfo.GetFiles("*", SearchOption.AllDirectories);
List <BundleItem> items = new List <BundleItem>();
foreach (var file in files)
{
if (file.Extension != ResUtils.BundleExtension && file.Name != platName)
{
continue; //只处理资源关系文件和特定后缀的文件
}
BundleItem item = new BundleItem();
item.m_HashCode = ResUtils.GetFileHash(file.FullName);
item.m_FileSize = ResUtils.GetFileSize(file.FullName);
item.m_Name = file.FullName.Substring(resDir.Length);
items.Add(item);
}
IdxFile idx = new IdxFile();
string idxContent = IdxFile.SaveString(items, resDir);
string filePath = resDir + ResUtils.BundleIndexFileName;
File.WriteAllText(filePath, idxContent);
Debug.Log("=========Generated index file to .." + filePath);
}
private void LoadColors()
{
foreach (var color in ResUtils.LoadColors())
{
Panel colorPanel = new Panel();
colorPanel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
colorPanel.BackColor = ColorTranslator.FromHtml(color);
colorPanel.Size = new Size(30, 30);
colorPanel.Click += new System.EventHandler((s, args) => {
BackgroundTextBox.Text = ColorTranslator.ToHtml((s as Panel).BackColor);
});
ColorsFlowLayout.Controls.Add(colorPanel);
}
}
/// <summary>
/// 异步下载需要更新的资源
/// </summary>
/// <param name="ev">下载完成回调函数</param>
/// <returns></returns>
IEnumerator AsyncDownloading(ProcessCompleteEvent ev)
{
mTotalDownloadBytes = 0;
mCurrentDownloadIdx = 0;
mAlreadyDownloadBytes = 0;
foreach (var v in mDownloadingList)
{
mTotalDownloadBytes += v.m_FileSize;
}
foreach (var v in mDownloadingList)
{
string url = mHttpAddress + ResUtils.GetBundleManifestName(Application.platform) + "/" + v.m_Name;
UnityEngine.Debug.LogFormat("downloading {0} size {1}", v.m_Name, v.m_FileSize);
WWW www = new WWW(url);
mWWW = www;
yield return(www);
if (www.error == null)
{
string fileName = ResUtils.BundleRootPath + v.m_Name;
string dir = fileName.Substring(0, fileName.LastIndexOf('/'));
Directory.CreateDirectory(dir);
File.WriteAllBytes(fileName, www.bytes);
}
else
{
UnityEngine.Debug.LogErrorFormat("downloading {0} error {1}", v.m_Name, www.error);
}
mAlreadyDownloadBytes += v.m_FileSize;
mCurrentDownloadIdx++;
}
//全部下载成功后，再覆盖写入索引文件
Directory.CreateDirectory(ResUtils.BundleRootPath);
if (mNewIndexContent != null)
{
File.WriteAllText(ResUtils.BundleRootPath + ResUtils.BundleIndexFileName, mNewIndexContent);
mNewIndexContent = null;
}
if (ev != null)
{
ev.Invoke();
}
yield return(null);
}
/* 函数说明: 开始一个下载请求 */
public IEnumerator StartRequest(string fileName)
{
m_fileName = fileName;
// 判断文件是否已存在
if (GetDownloadedFile(m_fileName, out m_filePath))
{
m_status = Status.Finish;
Close();
yield break;
}
// 创建本地下载目录
if (!ResUtils.MakeDirectory(m_filePath))
{
m_status = Status.Failed;
Close();
Debug.LogError(string.Format("HttpDownloader : MakeDirectory '{0}' Error !", m_filePath));
yield break;
}
string url = ResUpdater.Instance().GetDownloadUrl(m_fileName);
if (string.IsNullOrEmpty(url))
{
m_status = Status.Failed;
Close();
Debug.LogError("HttpDownloader : download url is null !");
yield break;
}
m_status = Status.Downing;
m_www = new WWW(url);
yield return(m_www);
// 如果错误， 则返回
if (!string.IsNullOrEmpty(m_www.error))
{
m_status = Status.Failed;
yield break;
}
// 写文件
WriteFile(m_filePath, m_www.bytes);
}
public static bool GetDownloadedFile(string fileName, out string fullPath)
{
Debug.LogError("Start GetDownloadedFile " + fileName);
if (string.IsNullOrEmpty(fileName))
{
Debug.LogError("if (string.IsNullOrEmpty(fileName))");
fullPath = "";
return(false);
}
fullPath = ResUtils.GetDownloadPath(fileName);
if (!File.Exists(fullPath))
{
Debug.LogError("if (!File.Exists(fullPath)) fullPath :" + fullPath);
return(false);
}
// 匹配文件md5
Dictionary <string, string> serverFilesMD5 = ResUpdater.Instance().serverFilesMD5;
string fileMD5;
if (serverFilesMD5.TryGetValue(fileName, out fileMD5))
{
Debug.LogError("if (serverFilesMD5.TryGetValue(fileName, out fileMD5)) fileMD5 " + fileMD5);
if (string.IsNullOrEmpty(fileMD5))
{
return(false);
}
string localFileMD5 = ResUtils.GetFileMD5(fullPath);
Debug.LogError(" if (string.IsNullOrEmpty(fileMD5)) fileMD5 " + fileMD5 + " localFileMD5 " + localFileMD5);
return(string.Compare(fileMD5, localFileMD5, true) == 0);
}
Debug.LogError("Stop GetDownloadedFile");
return(false);
}
/// <summary>
/// 从AB包里加载资源
/// </summary>
/// <param name="assetPath">资源路径，例如 subdir/res1.prefab </param>
/// <param name="type">资源类型</param>
/// <returns>加载好的资源对象</returns>
private UnityEngine.Object LoadAssetFromBundle(string assetPath, Type type)
{
//检查依赖关系是否加载，如果没有则加载
if (mAssetBundleManifest == null)
{
AssetBundle manifestBundle = AssetBundle.LoadFromFile(ResUtils.BundleRootPath + ResUtils.GetBundleManifestName(Application.platform));
if (manifestBundle == null)
{
return(null);
}
mAssetBundleManifest = manifestBundle.LoadAsset("AssetBundleManifest", typeof(AssetBundleManifest)) as AssetBundleManifest;
if (mAssetBundleManifest == null)
{
return(null);
}
}
//获取资源在包内部的名字，这个名字没有路径，但有扩展名，例如 res1.prefab
string assetName = assetPath.Substring(assetPath.LastIndexOf("/") + 1).ToLower();
//得到bundle文件的相对路径名，例如 subdir/res1.prefab.unity3d
string bundleFileName = assetPath + '.' + ResUtils.BundleExtension;
AssetBundleInfo bundleInfo = null;
if (mLoadedAssetBundles.TryGetValue(bundleFileName, out bundleInfo))
{
bundleInfo.mReferencedCount++;
if (!bundleInfo.mAssetBundle.isStreamedSceneAssetBundle)
{
UnityEngine.Object obj = bundleInfo.mAssetBundle.LoadAsset(assetName, type);
return(obj);
}
else
{
return(null); //场景包不需要加载资源，返回即可
}
}
else
{
LoadDependencies(bundleFileName);
bundleInfo = LoadAssetBundleSingle(bundleFileName);
if (bundleInfo != null && !bundleInfo.mAssetBundle.isStreamedSceneAssetBundle)
{
UnityEngine.Object obj = bundleInfo.mAssetBundle.LoadAsset(assetName, type);
return(obj);
}
else
{
return(null); //场景包不需要加载资源，返回即可
}
}
}
/// <summary>
/// 从服务器得到资源列表并对比出需要更新的包列表
/// </summary>
/// <param name="ev">检查完成后回调函数</param>
/// <returns></returns>
IEnumerator AsyncCheckDownloadingList(ProcessCompleteEvent ev)
{
//读取本地的idx和apk里的idx文件
Dictionary <string, BundleItem> localBundlesDict = new Dictionary <string, BundleItem>();
string localIndexPath = ResUtils.BundleRootPath + ResUtils.BundleIndexFileName;
if (!File.Exists(localIndexPath)) //如果P目录里没有索引文件，去Resources里拷贝一份到P目录
{
UnityEngine.Debug.Log("local idx not found, try copy from default");
Directory.CreateDirectory(ResUtils.BundleRootPath);
var txt = Resources.Load(ResUtils.BundleIndexFileName.Substring(ResUtils.BundleIndexFileName.IndexOf('.'))) as TextAsset;
if (txt != null)
{
File.WriteAllText(ResUtils.BundleRootPath + ResUtils.BundleIndexFileName, txt.text);
}
}
if (File.Exists(localIndexPath))
{
string indexContent = File.ReadAllText(localIndexPath);
if (indexContent != null)
{
IdxFile file = new IdxFile();
List <BundleItem> list = file.Load(indexContent);
foreach (var v in list)
{
localBundlesDict[v.m_Name] = v;
}
}
}
else
{
UnityEngine.Debug.LogWarning("local idx not found");
}
//下载网上的idx文件
WWW www = new WWW(mHttpAddress + ResUtils.GetBundleManifestName(Application.platform) + "/" + ResUtils.BundleIndexFileName);
yield return(www);
if (www.error != null)
{
UnityEngine.Debug.Log("remote idx read error " + www.error);
}
mDownloadingList.Clear();
if (www.error == null)
{
mNewIndexContent = www.text;
IdxFile file = new IdxFile();
List <BundleItem> listServer = file.Load(mNewIndexContent);
foreach (var v in listServer)
{
string localHash = null;
string netHash = v.m_HashCode;
BundleItem localItem = null;
if (localBundlesDict.TryGetValue(v.m_Name, out localItem))
{
localHash = localItem.m_HashCode;
}
if (localHash != netHash)
{
mDownloadingList.Add(v); //网上的资源较新则需要重新下载到本地
}
}
UnityEngine.Debug.LogFormat("download idx file success! new bundles count {0}, downloading {1}", listServer.Count, mDownloadingList.Count);
}
else
{
UnityEngine.Debug.LogFormat("download idx file error! {0}", www.error);
}
if (ev != null)
{
ev.Invoke();
}
yield return(null);
}
static void OpenBuildTargetFileWindow()
{
ResUtils.InitResInfo(Application.dataPath + "/Resources", true);
EditorWindow.GetWindow <BuildTargetFileWindow>();
}