static IEnumerable<List<KeyValuePair<string, object>>> ExtractRegion(Stream stream)
{
ArrayBuffer<byte> buffer = new ArrayBuffer<byte>();
//stream.Seek(8192, SeekOrigin.Begin);
EndianBinaryReader ebr = new EndianBinaryReader(stream, false);
NBTSerializer nbs = new NBTSerializer();
List<long> chunks = new List<long>();
byte[] buf;
buf = buffer.Buffer(4);
for(int i=0;i<1024;i++)
{
ebr.Read(buf, 0, 4);
if (buf[0] != 0 || buf[1] != 0 | buf[2] != 0 | buf[3] != 0)
{
chunks.Add(((long)(buf[0] << 16 | buf[1] << 8 | buf[2])) << 12);
}
}
foreach (long offset in chunks)
{
stream.Seek(offset, SeekOrigin.Begin);
uint length = ebr.ReadUInt32();
byte compression = ebr.ReadByte();
if (compression != 2)
{
Console.Error.WriteLine("Compression invalid: {0}", compression);
continue;
}
if (length == 0)
{
Console.Error.WriteLine("Length is 0");
continue;
}
length--;
//Console.WriteLine(length);
buf = buffer.Buffer(length);
ebr.Read(buf, 0, (int)length);
using (var ms = new MemoryStream(buf, 0, (int)length))
using (var iis = new InflaterInputStream(ms))
{
yield return nbs.Deserialize(iis);
}
}
}
