public static async Task <RootFile> GetRoot(string hash, bool parseIt = false)
{
var root = new RootFile
{
entriesLookup = new MultiDictionary <ulong, RootEntry>(),
entriesFDID = new MultiDictionary <uint, RootEntry>(),
};
byte[] content = await CDNCache.Get("data", hash);
if (!parseIt)
{
return(root);
}
var namedCount = 0;
var unnamedCount = 0;
var newRoot = false;
using (MemoryStream ms = new MemoryStream(BLTE.Parse(content)))
using (BinaryReader bin = new BinaryReader(ms))
{
var header = bin.ReadUInt32();
if (header == 1296454484)
{
uint totalFiles = bin.ReadUInt32();
uint namedFiles = bin.ReadUInt32();
newRoot = true;
}
else
{
bin.BaseStream.Position = 0;
}
while (bin.BaseStream.Position < bin.BaseStream.Length)
{
var count = bin.ReadUInt32();
var contentFlags = (ContentFlags)bin.ReadUInt32();
var localeFlags = (LocaleFlags)bin.ReadUInt32();
var entries = new RootEntry[count];
var filedataIds = new int[count];
var fileDataIndex = 0;
for (var i = 0; i < count; ++i)
{
entries[i].localeFlags = localeFlags;
entries[i].contentFlags = contentFlags;
filedataIds[i] = fileDataIndex + bin.ReadInt32();
entries[i].fileDataID = (uint)filedataIds[i];
fileDataIndex = filedataIds[i] + 1;
}
if (!newRoot)
{
for (var i = 0; i < count; ++i)
{
entries[i].md5 = bin.Read <MD5Hash>();
entries[i].lookup = bin.ReadUInt64();
root.entriesLookup.Add(entries[i].lookup, entries[i]);
root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
}
}
else
{
for (var i = 0; i < count; ++i)
{
entries[i].md5 = bin.Read <MD5Hash>();
}
for (var i = 0; i < count; ++i)
{
if (contentFlags.HasFlag(ContentFlags.NoNames))
{
entries[i].lookup = 0;
unnamedCount++;
}
else
{
entries[i].lookup = bin.ReadUInt64();
namedCount++;
root.entriesLookup.Add(entries[i].lookup, entries[i]);
}
root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
}
}
}
}
return(root);
}
public static RootFile GetRoot(string url, string hash, bool parseIt = false)
{
var root = new RootFile
{
entriesLookup = new MultiDictionary <ulong, RootEntry>(),
entriesFDID = new MultiDictionary <uint, RootEntry>(),
};
byte[] content;
if (url.StartsWith("http:"))
{
content = CDN.Get(url + "data/" + hash[0] + hash[1] + "/" + hash[2] + hash[3] + "/" + hash);
}
else
{
content = File.ReadAllBytes(Path.Combine(url, "data", "" + hash[0] + hash[1], "" + hash[2] + hash[3], hash));
}
if (!parseIt)
{
return(root);
}
var hasher = new Jenkins96();
var namedCount = 0;
var unnamedCount = 0;
uint totalFiles = 0;
uint namedFiles = 0;
var newRoot = false;
using (BinaryReader bin = new BinaryReader(new MemoryStream(BLTE.Parse(content))))
{
var header = bin.ReadUInt32();
if (header == 1296454484)
{
totalFiles = bin.ReadUInt32();
namedFiles = bin.ReadUInt32();
newRoot = true;
}
else
{
bin.BaseStream.Position = 0;
}
while (bin.BaseStream.Position < bin.BaseStream.Length)
{
var count = bin.ReadUInt32();
var contentFlags = (ContentFlags)bin.ReadUInt32();
var localeFlags = (LocaleFlags)bin.ReadUInt32();
var entries = new RootEntry[count];
var filedataIds = new int[count];
var fileDataIndex = 0;
for (var i = 0; i < count; ++i)
{
entries[i].localeFlags = localeFlags;
entries[i].contentFlags = contentFlags;
filedataIds[i] = fileDataIndex + bin.ReadInt32();
entries[i].fileDataID = (uint)filedataIds[i];
fileDataIndex = filedataIds[i] + 1;
}
if (!newRoot)
{
for (var i = 0; i < count; ++i)
{
entries[i].md5 = bin.Read <MD5Hash>();
entries[i].lookup = bin.ReadUInt64();
root.entriesLookup.Add(entries[i].lookup, entries[i]);
root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
}
}
else
{
for (var i = 0; i < count; ++i)
{
entries[i].md5 = bin.Read <MD5Hash>();
}
for (var i = 0; i < count; ++i)
{
if (contentFlags.HasFlag(ContentFlags.NoNames))
{
//entries[i].lookup = hasher.ComputeHash("BY_FDID_" + entries[i].fileDataID);
entries[i].lookup = 0;
unnamedCount++;
}
else
{
entries[i].lookup = bin.ReadUInt64();
namedCount++;
root.entriesLookup.Add(entries[i].lookup, entries[i]);
}
root.entriesFDID.Add(entries[i].fileDataID, entries[i]);
}
}
}
}
return(root);
}
