public Archive(string filename)
{
ArchivePath = filename;
using var stream = File.OpenRead(ArchivePath);
using var reader = new EndianAwareBinaryReader(stream);
reader.AssertTag(BlockType.HEL, BlockType.HEB);
reader.IsBigEndian = reader.PeekChar() == 0;
// contains file offsets and a string block containing
// archive details. probably includes page size and offset
// to MAST block
Data = reader.ReadBytes(0x800 - 4);
reader.AssertTag(BlockType.MAST);
MAST = new MAST(reader);
// this is reversed to signify this is the section header
// for multi-sectioned files (which don't exist)
reader.AssertTag(BlockType.TCES, BlockType.SECT);
TCES = new TCES(reader);
// can't find references to this?
StringTable = reader.ReadString(MAST.StringTableSize);
reader.Seek(TCES.PageOffset << 11, SeekOrigin.Begin);
Section = new Section(reader);
}