//把字节流转为manifest对象
public static ManifestInfo GetManifestFromBytes(byte[] bytes)
{
ManifestInfo manifestInfo = null;
try
{
//System.IO.MemoryStream ms = new System.IO.MemoryStream(bytes.Uncompress());
System.IO.MemoryStream ms = new System.IO.MemoryStream(bytes);
System.IO.BinaryReader br = new System.IO.BinaryReader(ms);
br.BaseStream.Position = 0;
manifestInfo = new ManifestInfo();
manifestInfo.version = br.ReadString();
uint num = br.ReadUInt32();
AssetInfo assetInfo;
while (num-- > 0)
{
List <string> fileNameList = new List <string>();
string subPath = br.ReadString();
long length = br.ReadInt64();
long createDate = br.ReadInt64();
string md5 = br.ReadString();
string suffix = br.ReadString();
uint fileNameNum = br.ReadUInt32();
while (fileNameNum-- > 0)
{
fileNameList.Add(br.ReadString());
}
assetInfo = new AssetInfo(subPath, length, createDate, md5, suffix, fileNameList);
manifestInfo.assetDic.Add(assetInfo.SubPath, assetInfo);
}
br.Close();
ms.Close();
ms.Dispose();
return(manifestInfo);
}
catch (Exception e)
{
Debugger.LogError("GetManifestFromBytes:" + e);
}
finally
{
}
return(null);
}
//把manifest文件信息保存在本地
public static void SaveManifest2Local(ManifestInfo manifestInfo)
{
try
{
string path = GetLocalManifestPath();
string dir = ResUtil.GetDirectoryByPath(path);
if (!System.IO.Directory.Exists(dir))
{
System.IO.Directory.CreateDirectory(dir);
}
System.IO.File.WriteAllBytes(path, GetBytesFromManifest(manifestInfo));
}
catch (Exception e)
{
Debugger.LogError("SaveManifest2Local:" + e);
}
finally
{
}
}
//把manifest对象转为字节流
public static byte[] GetBytesFromManifest(ManifestInfo manifestInfo)
{
try
{
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.BinaryWriter bw = new System.IO.BinaryWriter(ms);
bw.Write(manifestInfo.version);
bw.Write(manifestInfo.assetDic.Count);
foreach (var kv in manifestInfo.assetDic)
{
bw.Write(kv.Value.SubPath);
bw.Write(kv.Value.Length);
bw.Write(kv.Value.CreateDate);
bw.Write(kv.Value.md5);
bw.Write(kv.Value.Suffix);
bw.Write(kv.Value.FilePathList.Count);
for (int i = 0, count = kv.Value.FilePathList.Count; i < count; i++)
{
bw.Write(kv.Value.FilePathList[i]);
}
}
ms.Position = 0;
int len = (int)ms.Length;//manifest文件不能超2GB
byte[] bytes = new byte[len];
ms.Read(bytes, 0, len);
bw.Close();
ms.Close();
ms.Dispose();
//return bytes.Compress();
return(bytes);
}
catch (Exception e)
{
Debugger.LogError("GetBytesFromManifest:" + e);
}
finally
{
}
return(null);
}
