/// <summary>
/// 对比sbf
/// </summary>
/// <param name="sbf">对比的sbf</param>
/// <param name="less">this比sbf少的</param>
/// <param name="more">this比sbf多的</param>
/// <param name="diff">this和sbf都拥有 但是md5不一样的</param>
public void Compare(SBF sbf, out List <SBFItem> diff, out List <SBFItem> more, out List <SBFItem> less)
{
diff = new List <SBFItem>();
more = new List <SBFItem>();
less = new List <SBFItem>();
foreach (var pairs in this.itemDict)
{
var key = pairs.Key;
var value = pairs.Value;
if (sbf.itemDict.ContainsKey(key))
{
if (sbf.itemDict[key].md5 != value.md5)
{
diff.Add(value);
}
}
else
{
more.Add(value);
}
}
foreach (var pair in sbf.itemDict)
{
if (!this.itemDict.ContainsKey(pair.Key))
{
less.Add(pair.Value);
}
}
}
static void SaveSBF(string path)
{
if (File.Exists(path))
{
File.Delete(path);
}
FileStream fs = new FileStream(path, FileMode.CreateNew);
StreamWriter sw = new StreamWriter(fs);
List <string> strList = new List <string>();
foreach (var item in sbfDict)
{
string file = item.Key;
SBF sbf = item.Value;
string value = string.Format("{0}|{1}|{2}", file, sbf.hash, sbf.size);
if (value.IndexOf("/") != -1)
{
strList.Insert(0, value);
}
else
{
strList.Add(value);
}
}
sw.Write(string.Join("\n", strList.ToArray()));
sw.Close();
fs.Close();
}
//生成SBF
static void CreateSBFAdnSave(string folder)
{
//清理SBF
ClearSBF();
//遍历文件
string[] files = Directory.GetFiles(folder, "*", SearchOption.AllDirectories);
foreach (var item in files)
{
string path = item.Replace("\\", "/");
path = path.Replace(folder, "");
if (path.StartsWith("/"))
{
path = path.Substring(1);
}
if (path.EndsWith(".meta") || path.EndsWith(".manifest"))
{
continue;
}
SBF sbf = CreateSBF(folder, path);
AddSBF(path, sbf);
}
//保存SBF
SaveSBF(Combine(folder, ResHelper.SBF_NAME));
ClearSBF();
}
static void AddSBF(string file, SBF sbf)
{
sbfDict.Add(file, sbf);
}
public override IEnumerator UnzipRes()
{
//包体内的sbf
WWW wwwInner = FileUtil.ReadFromStreamingAssets("Res/sbf");
WWW wwwOuter = FileUtil.ReadFromPersistentData("Res/sbf");
yield return(wwwInner);
yield return(wwwOuter);
SBF sbfInner = new SBF(wwwInner.text);
SBF sbfOuter = new SBF(wwwOuter.text);
//外部目录sbf
List <SBF.SBFItem> diff, more, less;
sbfInner.Compare(sbfOuter, out diff, out more, out less);
//把outer中 多的和不一样的 复制出去
List <SBF.SBFItem> move = new List <SBF.SBFItem>(diff.Count + more.Count);
move.AddRange(diff);
move.AddRange(more);
//复制队列
Dictionary <SBF.SBFItem, WWW> moveDict = new Dictionary <SBF.SBFItem, WWW>();
//同时复制的最大数量
int max = 30;
//复制资源
for (int i = 0; i < move.Count; i++)
{
//加入队列
{
var item = move[i];
var www = FileUtil.ReadFromStreamingAssets("Res/" + item.path);
moveDict.Add(item, www);
}
//队列没满
if (moveDict.Count < max)
{
continue;
}
//等等一帧
yield return(null);
//遍历下载队列
while (true)
{
//查找已经完成的
List <KeyValuePair <SBF.SBFItem, WWW> > doneList = null;
foreach (var pair in moveDict)
{
if (pair.Value.isDone)
{
if (doneList == null)
{
doneList = new List <KeyValuePair <SBF.SBFItem, WWW> >();
}
doneList.Add(pair);
}
}
if (doneList != null)
{
foreach (var pair in doneList)
{
var item = pair.Key;
var www = pair.Value;
if (www.error == null)
{
FileUtil.WriteToPersistentData("Res/" + item.path, www.bytes);
}
moveDict.Remove(item);
}
}
if (moveDict.Count <= max)
{
break;
}
//等等一帧
yield return(null);
}
}
//复制sbf
FileUtil.WriteToPersistentData("Res/sbf", wwwInner.bytes);
yield break;
}
