/// <summary>
/// 序列化本地版本资源列表（版本 1）回调函数。
/// </summary>
/// <param name="stream">目标流。</param>
/// <param name="versionList">要序列化的本地版本资源列表（版本 1）。</param>
/// <returns>是否序列化本地版本资源列表（版本 1）成功。</returns>
public static bool LocalVersionListSerializeCallback_V1(Stream stream, LocalVersionList versionList)
{
if (!versionList.IsValid)
{
return(false);
}
Utility.Random.GetRandomBytes(s_CachedHashBytes);
using (BinaryWriter binaryWriter = new BinaryWriter(stream, Encoding.UTF8))
{
binaryWriter.Write(s_CachedHashBytes);
LocalVersionList.Resource[] resources = versionList.GetResources();
binaryWriter.Write7BitEncodedInt32(resources.Length);
foreach (LocalVersionList.Resource resource in resources)
{
binaryWriter.WriteEncryptedString(resource.Name, s_CachedHashBytes);
binaryWriter.WriteEncryptedString(resource.Variant, s_CachedHashBytes);
binaryWriter.WriteEncryptedString(resource.Extension != DefaultExtension ? resource.Extension : null, s_CachedHashBytes);
binaryWriter.Write(resource.LoadType);
binaryWriter.Write7BitEncodedInt32(resource.Length);
binaryWriter.Write(resource.HashCode);
}
}
Array.Clear(s_CachedHashBytes, 0, CachedHashBytesLength);
return(true);
}
// 加载本地所有版本
public static void LoadAllVersionInfo()
{
LocalVersionList.Clear();
// 首包
OriginalVersionInfo = new VersionInfo(OriginalVersionId, true);
LocalVersionList.Add(OriginalVersionId.Id3rd, OriginalVersionInfo);
// 获取本地的所有版本
DirectoryInfo dirInfo = new DirectoryInfo(LocalStorgePath);
foreach (DirectoryInfo info in dirInfo.GetDirectories())
{
int id3rd = 0;
if (!int.TryParse(info.Name, out id3rd))
{
continue;
}
if (id3rd <= OriginalVersionId.Id3rd)
{
continue;
}
VersionNum versionId = new VersionNum(OriginalVersionId.Id1st, OriginalVersionId.Id2nd, id3rd);
if (!LoadVersionInfo(versionId))
{
continue;
}
if (null == CurVersionId || versionId.Id3rd > CurVersionId.Id3rd)
{
CurVersionId = LocalVersionList[versionId.Id3rd].VersionId;
}
}
}
// 加载指定版本信息
public static bool LoadVersionInfo(VersionNum version)
{
VersionInfo versionInfo = null;
LocalVersionList.TryGetValue(version.Id3rd, out versionInfo);
if (null == versionInfo)
{
versionInfo = new VersionInfo(version);
if (versionInfo.IsValid)
{
LocalVersionList.Add(version.Id3rd, versionInfo);
return(true);
}
}
else if (versionInfo.IsValid)
{
return(true);
}
else
{
LocalVersionList.Remove(version.Id3rd);
return(false);
}
return(false);
}
/// <summary>
/// 序列化本地版本资源列表（版本 0）回调函数。
/// </summary>
/// <param name="binaryWriter">目标流。</param>
/// <param name="versionList">要序列化的本地版本资源列表（版本 0）。</param>
/// <returns>是否序列化本地版本资源列表（版本 0）成功。</returns>
public static bool LocalVersionListSerializeCallback_V0(BinaryWriter binaryWriter, LocalVersionList versionList)
{
if (!versionList.IsValid)
{
return(false);
}
Utility.Random.GetRandomBytes(s_CachedHashBytes);
binaryWriter.Write(s_CachedHashBytes);
LocalVersionList.Resource[] resources = versionList.GetResources();
binaryWriter.Write(resources.Length);
foreach (LocalVersionList.Resource resource in resources)
{
binaryWriter.WriteEncryptedString(resource.Name, s_CachedHashBytes);
binaryWriter.WriteEncryptedString(resource.Variant, s_CachedHashBytes);
binaryWriter.Write(resource.LoadType);
binaryWriter.Write(resource.Length);
binaryWriter.Write(resource.HashCode);
}
Array.Clear(s_CachedHashBytes, 0, CachedHashBytesLength);
return(true);
}
/// <summary>
/// 序列化本地版本资源列表（版本 2）回调函数。
/// </summary>
/// <param name="binaryWriter">目标流。</param>
/// <param name="versionList">要序列化的本地版本资源列表（版本 2）。</param>
/// <returns>是否序列化本地版本资源列表（版本 2）成功。</returns>
public static bool LocalVersionListSerializeCallback_V2(BinaryWriter binaryWriter, LocalVersionList versionList)
{
if (!versionList.IsValid)
{
return(false);
}
Utility.Random.GetRandomBytes(s_CachedHashBytes);
binaryWriter.Write(s_CachedHashBytes);
LocalVersionList.Resource[] resources = versionList.GetResources();
binaryWriter.Write7BitEncodedInt32(resources.Length);
foreach (LocalVersionList.Resource resource in resources)
{
binaryWriter.WriteEncryptedString(resource.Name, s_CachedHashBytes);
binaryWriter.WriteEncryptedString(resource.Variant, s_CachedHashBytes);
binaryWriter.WriteEncryptedString(resource.Extension != DefaultExtension ? resource.Extension : null, s_CachedHashBytes);
binaryWriter.Write(resource.LoadType);
binaryWriter.Write7BitEncodedInt32(resource.Length);
binaryWriter.Write(resource.HashCode);
}
LocalVersionList.FileSystem[] fileSystems = versionList.GetFileSystems();
binaryWriter.Write7BitEncodedInt32(fileSystems.Length);
foreach (LocalVersionList.FileSystem fileSystem in fileSystems)
{
binaryWriter.WriteEncryptedString(fileSystem.Name, s_CachedHashBytes);
int[] resourceIndexes = fileSystem.GetResourceIndexes();
binaryWriter.Write7BitEncodedInt32(resourceIndexes.Length);
foreach (int resourceIndex in resourceIndexes)
{
binaryWriter.Write7BitEncodedInt32(resourceIndex);
}
}
Array.Clear(s_CachedHashBytes, 0, CachedHashBytesLength);
return(true);
}
