//获取需要下载的文件的总大小
private int GetSizeByteNeedDownloaded(VersionConfig newCfg, List <string> files)
{
int size = 0;
Dictionary <string, VersionFileConfig> newDict = newCfg.fileDict;
for (int i = 0; i < files.Count; i++)
{
VersionFileConfig newVfc = newDict[files[i]];
size += newVfc.sizeByte;
}
return(size);
}
/// <summary>
/// 生成版本配置
/// </summary>
/// <param name="path">路径</param>
/// <param name="version">版本号</param>
/// <returns></returns>
/// <summary>
/// 解析版本配置信息
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static VersionConfig ReadVersionConfig(string content)
{
VersionConfig vc = new VersionConfig();
XmlDocument doc = new XmlDocument();
doc.LoadXml(content);
XmlElement root = null;
root = doc.DocumentElement;
XmlElement version = root.GetElementsByTagName("Version").Item(0) as XmlElement;
string sVersion = version.InnerText;
int.TryParse(sVersion, out vc.version);
XmlElement files = root.GetElementsByTagName("Files").Item(0) as XmlElement;
XmlNodeList fileList = files.GetElementsByTagName("File");
for (int i = 0; i < fileList.Count; ++i)
{
XmlElement file = fileList.Item(i) as XmlElement;
XmlElement path = file.GetElementsByTagName("Path").Item(0) as XmlElement;
string sPath = path.InnerText;
XmlElement md5 = file.GetElementsByTagName("MD5").Item(0) as XmlElement;
string sMD5 = md5.InnerText;
XmlElement sizeByte = file.GetElementsByTagName("SizeByte").Item(0) as XmlElement;
int iSizeByte = Int32.Parse(sizeByte.InnerText);
VersionFileConfig vfc = new VersionFileConfig();
vfc.path = sPath;
vfc.md5 = sMD5;
vfc.sizeByte = iSizeByte;
if (vc.fileDict.ContainsKey(vfc.path))
{
vc.fileDict.Remove(vfc.path);
}
vc.fileDict.Add(vfc.path, vfc);
}
return(vc);
}
/// <summary>
/// 获取文件需要下载的文件列表
/// </summary>
/// <returns></returns>
public List <string> GetFileListNeedDownloaded(VersionConfig oldCfg, VersionConfig newCfg)
{
Dictionary <string, VersionFileConfig> oldDict = oldCfg.fileDict;
Dictionary <string, VersionFileConfig> newDict = newCfg.fileDict;
List <string> files = new List <string>();
foreach (KeyValuePair <string, VersionFileConfig> kv in newDict)
{
if (oldDict.ContainsKey(kv.Key))
{
VersionFileConfig oldVfc = oldDict[kv.Key];
VersionFileConfig newVfc = kv.Value;
if (oldVfc.md5 != newVfc.md5)
{
files.Add(kv.Key);
}
oldDict.Remove(kv.Key);
}
else
{
files.Add(kv.Key);
}
}
foreach (KeyValuePair <string, VersionFileConfig> kv in oldDict)
{
string path = PathUtil.GetPersistentDataPath(kv.Key);
if (PathUtil.ExistsFile(path))
{
File.Delete(path);
}
}
return(files);
}
/// <summary>
/// 写版本配置
/// </summary>
/// <param name="vc"></param>
/// <returns></returns>
public static void WriteVersionConfig(VersionConfig vc)
{
var versionFile = new System.IO.StreamWriter(PathUtil.GetFullPath(PathUtil.GetRelativePathToDataPath(PathConfig.version)), false, Encoding.UTF8);
StringBuilder sb = new StringBuilder();
versionFile.WriteLine("<Config>");
versionFile.Write("\t<Version>"); versionFile.Write(vc.version.ToString()); versionFile.WriteLine("</Version>");
versionFile.WriteLine("\t<Files>");
foreach (KeyValuePair <string, VersionFileConfig> kv in vc.fileDict)
{
VersionFileConfig vfc = kv.Value;
versionFile.WriteLine("\t\t<File>");
versionFile.Write("\t\t\t<Path>"); versionFile.Write(vfc.path.ToLower()); versionFile.WriteLine("</Path>");
versionFile.Write("\t\t\t<MD5>"); versionFile.Write(vfc.md5); versionFile.WriteLine("</MD5>");
versionFile.Write("\t\t\t<SizeByte>"); versionFile.Write(vfc.sizeByte); versionFile.WriteLine("</SizeByte>");
versionFile.WriteLine("\t\t</File>");
}
versionFile.WriteLine("\t</Files>");
versionFile.WriteLine("</Config>");
versionFile.Flush();
versionFile.Close();
}
public static VersionConfig GenerateVersionConfig(AssetBundleCollector collector)
{
VersionConfig vc = VersionUtil.ReadConfig("config/version") ?? new VersionConfig();
VersionConfig newVC = new VersionConfig();
newVC.version = vc.version + 1;
List <AssetBundleBuild> buildList = collector.GetBuildList();
for (int i = 0; i < buildList.Count; ++i)
{
AssetBundleBuild build = buildList[i];
string file = Application.streamingAssetsPath.Combine(build.assetBundleName);
if (PathUtil.ExistsFile(file))
{
FileStream fs = new FileStream(file, FileMode.Open);
byte[] bytes = new byte[fs.Length];
fs.Read(bytes, 0, bytes.Length);
string md5 = CryptUtil.GetMD5(bytes);
fs.Close();
VersionFileConfig vfc = new VersionFileConfig();
vfc.path = build.assetBundleName;
vfc.md5 = md5;
vfc.sizeByte = bytes.Length;
if (!newVC.fileDict.ContainsKey(vfc.path))
{
newVC.fileDict.Add(vfc.path, vfc);
}
else
{
Debug.LogError("重复资源:" + vfc.path);
}
}
}
return(newVC);
}