public static Dictionary <ulong, string> Generate(Wad wad)
{
Dictionary <ulong, string> hashtable = new Dictionary <ulong, string>();
List <string> strings = new List <string>();
foreach (WadEntry entry in wad.Entries.Values.Where(x => x.Type != WadEntryType.FileRedirection))
{
using Stream entryStream = entry.GetDataHandle().GetDecompressedStream();
LeagueFileType fileType = LeagueUtilities.GetExtensionType(entryStream);
if (fileType == LeagueFileType.BIN)
{
BinTree bin = null;
try
{
bin = new BinTree(entryStream);
}
catch (Exception)
{
}
if (bin != null)
{
strings.AddRange(ProcessBinDependencies(bin.Dependencies));
strings.AddRange(ProcessBinTree(bin));
}
}
else if (IsLegacyDirList(entry.XXHash))
{
strings.AddRange(ProcessLegacyDirList(entry));
}
}
using (XXHash64 xxHash = XXHash64.Create())
{
foreach (string fetchedString in strings.Distinct())
{
if (!string.IsNullOrEmpty(fetchedString))
{
ulong hash = BitConverter.ToUInt64(xxHash.ComputeHash(Encoding.ASCII.GetBytes(fetchedString.ToLower())), 0);
if (!hashtable.ContainsKey(hash))
{
hashtable.Add(hash, fetchedString);
}
}
}
}
return(hashtable);
}
public static string Get(WadEntry entry)
{
if (_hashtable.ContainsKey(entry.XXHash))
{
return(_hashtable[entry.XXHash]);
}
else
{
Stream decompressedStream = entry.GetDataHandle().GetDecompressedStream();
string extension = LeagueUtilities.GetExtension(LeagueUtilities.GetExtensionType(decompressedStream));
return(string.Format("{0}.{1}", entry.XXHash.ToString("x16"), extension));
}
}