public virtual bool IsNbtDocument(Stream stream)
{
bool result;
long position;
position = stream.Position;
try
{
if (stream.IsGzipCompressed())
{
using (Stream decompressionStream = new GZipStream(stream, CompressionMode.Decompress, true))
{
result = decompressionStream.PeekNextByte() == (int)TagType.Compound;
}
}
else if (stream.IsDeflateCompressed())
{
using (Stream decompressionStream = new DeflateStream(stream, CompressionMode.Decompress, true))
{
result = decompressionStream.PeekNextByte() == (int)TagType.Compound;
}
}
else if (stream.PeekNextByte() == (int)TagType.Compound)
{
result = true;
}
else
{
result = false;
}
}
catch
{
result = false;
}
stream.Position = position;
return result;
}
public virtual TagCompound ReadDocument(Stream stream, ReadTagOptions options)
{
TagCompound tag;
if (stream.IsGzipCompressed())
{
using (Stream decompressionStream = new GZipStream(stream, CompressionMode.Decompress))
{
_stream = decompressionStream;
tag = (TagCompound)this.ReadTag(options);
}
}
else if (stream.IsDeflateCompressed())
{
using (Stream decompressionStream = new DeflateStream(stream, CompressionMode.Decompress))
{
_stream = decompressionStream;
tag = (TagCompound)this.ReadTag(options);
}
}
else if (stream.PeekNextByte() == (int)TagType.Compound)
{
_stream = stream;
tag = (TagCompound)this.ReadTag(options);
}
else
{
throw new InvalidDataException("Source stream does not contain a NBT document.");
}
return tag;
}