/// <summary>
/// 读取AB包MD5文件，找出改变的ab包
/// </summary>
/// <param name="abmd5Path">ab包md5文件路径</param>
/// <param name="hotCount">热更次数</param>
static void ReadMd5Com(string abmd5Path, string hotCount)
{
m_PackedMD5.Clear();
using (FileStream fs = new FileStream(abmd5Path, FileMode.Open, FileAccess.Read))
{
BinaryFormatter bf = new BinaryFormatter();
ABMD5 abmd5 = bf.Deserialize(fs) as ABMD5;
foreach (ABMD5Base abmd5Base in abmd5.ABMD5List)
{
m_PackedMD5.Add(abmd5Base.Name, abmd5Base);
}
}
//搜集变化的AB包的list
List <string> changeList = new List <string>();
//获取当前AB包目录下的所有的AB包文件
DirectoryInfo directory = new DirectoryInfo(m_BundleTargetPath);
FileInfo[] files = directory.GetFiles("*", SearchOption.AllDirectories);
for (int i = 0; i < files.Length; ++i)
{
//过滤meta文件和mainfest文件
if (!files[i].Name.EndsWith(".meta") && !files[i].Name.EndsWith(".manifest"))
{
string name = files[i].Name;
string md5 = MD5Manager.Instance.BuildFileMd5(files[i].FullName);
ABMD5Base abmd5Base = null;
//新打的ab包
if (!m_PackedMD5.ContainsKey(name))
{
changeList.Add(name);
}
else
{
if (m_PackedMD5.TryGetValue(name, out abmd5Base))
{
//变化了的AB包
if (md5 != abmd5Base.Md5)
{
changeList.Add(name);
}
}
}
}
}
CopyABAndGeneratXml(changeList, hotCount);
}
/// <summary>
/// 读取本地资源MD5码
/// </summary>
void ReadMD5()
{
m_PackedMd5.Clear();
TextAsset md5 = Resources.Load <TextAsset>("ABMD5");
if (md5 == null)
{
Debug.LogError("未读取到本地MD5");
return;
}
using (MemoryStream stream = new MemoryStream(md5.bytes))
{
BinaryFormatter bf = new BinaryFormatter();
ABMD5 abmd5 = bf.Deserialize(stream) as ABMD5;
foreach (ABMD5Base abmd5Base in abmd5.ABMD5List)
{
m_PackedMd5.Add(abmd5Base.Name, abmd5Base);
}
}
}
/// <summary>
/// 写入AB包的MD5信息
/// </summary>
static void WriteABMD5()
{
//获取AssetBundle文件夹下的所有信息
DirectoryInfo directoryInfo = new DirectoryInfo(m_BundleTargetPath);
FileInfo[] files = directoryInfo.GetFiles("*", SearchOption.AllDirectories);
ABMD5 abmd5 = new ABMD5();
abmd5.ABMD5List = new List <ABMD5Base>();
for (int i = 0; i < files.Length; ++i)
{
//过滤meta文件和mainfest文件
if (!files[i].Name.EndsWith(".meta") && !files[i].Name.EndsWith(".manifest"))
{
ABMD5Base abmd5Base = new ABMD5Base();
abmd5Base.Name = files[i].Name;
abmd5Base.Md5 = MD5Manager.Instance.BuildFileMd5(files[i].FullName);
abmd5Base.Size = files[i].Length / 1024.0f;
abmd5.ABMD5List.Add(abmd5Base);
}
}
string ABMD5Path = Application.dataPath + "/Resources/ABMD5.bytes";
BinarySerializeOpt.BinarySerilize(ABMD5Path, abmd5);
//将打包的版本拷贝到外部进行储存
if (!Directory.Exists(m_VersionsMd5Path))
{
Directory.CreateDirectory(m_VersionsMd5Path);
}
string targetPath = m_VersionsMd5Path + "/ABMD5_" + PlayerSettings.bundleVersion + ".bytes";
if (File.Exists(targetPath))
{
File.Delete(targetPath);
}
File.Copy(ABMD5Path, targetPath);
}