public static async Task CreateXMBFileL33T(string filename)
{
using var output = new MemoryStream();
var writer = new BinaryWriter(output, Encoding.Default, true);
writer.Write((byte)88);
writer.Write((byte)49);
writer.Write(0);
writer.Write((byte)88);
writer.Write((byte)82);
writer.Write(4);
writer.Write(8);
XmlDocument file = new XmlDocument();
file.Load(filename);
XmlNode rootElement = file.FirstChild;
// Get the list of element/attribute names, sorted by first appearance
List <XmlString> ElementNames = new List <XmlString>();
List <XmlString> AttributeNames = new List <XmlString>();
await Task.Run(() =>
{
ExtractStrings(file.DocumentElement, ref ElementNames, ref AttributeNames);
});
// Output element names
int NumElements = ElementNames.Count;
writer.Write(NumElements);
for (int i = 0; i < NumElements; ++i)
{
writer.Write(ElementNames[i].Content.Length);
writer.Write(Encoding.Unicode.GetBytes(ElementNames[i].Content));
}
int NumAttributes = AttributeNames.Count;
writer.Write(NumAttributes);
for (int i = 0; i < NumAttributes; ++i)
{
writer.Write(AttributeNames[i].Content.Length);
writer.Write(Encoding.Unicode.GetBytes(AttributeNames[i].Content));
}
// Output root node, plus all descendants
await Task.Run(() =>
{
WriteNode(ref writer, rootElement, ElementNames, AttributeNames);
});
// Fill in data-length field near the beginning
long DataEnd = writer.BaseStream.Position;
writer.BaseStream.Seek(2, SeekOrigin.Begin);
int Length = (int)(DataEnd - (2 + 4));
writer.Write(Length);
writer.BaseStream.Seek(DataEnd, SeekOrigin.Begin);
await L33TZipUtils.CompressBytesAsL33TZipAsync(output.ToArray(), filename + ".xmb");
}
