public static async ValueTask <TES3Reader> Load(IStreamFactory factory)
{
await using var fs = await factory.GetStream();
using var br = new BinaryReader(fs);
var rdr = new TES3Reader
{
_streamFactory = factory,
_versionNumber = br.ReadUInt32(),
_hashTableOffset = br.ReadUInt32(),
_fileCount = br.ReadUInt32()
};
rdr._files = new TES3FileEntry[rdr._fileCount];
for (int i = 0; i < rdr._fileCount; i++)
{
var file = new TES3FileEntry {
Index = i,
Archive = rdr,
Size = br.ReadUInt32(),
Offset = br.ReadUInt32()
};
rdr._files[i] = file;
}
for (int i = 0; i < rdr._fileCount; i++)
{
rdr._files[i].NameOffset = br.ReadUInt32();
}
var origPos = br.BaseStream.Position;
for (int i = 0; i < rdr._fileCount; i++)
{
br.BaseStream.Position = origPos + rdr._files[i].NameOffset;
rdr._files[i].Path = new RelativePath(br.ReadStringTerm(VersionType.TES3));
}
br.BaseStream.Position = rdr._hashTableOffset + 12;
for (int i = 0; i < rdr._fileCount; i++)
{
rdr._files[i].Hash1 = br.ReadUInt32();
rdr._files[i].Hash2 = br.ReadUInt32();
}
rdr._dataOffset = br.BaseStream.Position;
return(rdr);
}
public TES3Reader(AbsolutePath filename)
{
_filename = filename;
using var fs = filename.OpenRead();
using var br = new BinaryReader(fs);
_versionNumber = br.ReadUInt32();
_hashTableOffset = br.ReadUInt32();
_fileCount = br.ReadUInt32();
_files = new TES3FileEntry[_fileCount];
for (int i = 0; i < _fileCount; i++)
{
var file = new TES3FileEntry {
Index = i,
Archive = this,
Size = br.ReadUInt32(),
Offset = br.ReadUInt32()
};
_files[i] = file;
}
for (int i = 0; i < _fileCount; i++)
{
_files[i].NameOffset = br.ReadUInt32();
}
var origPos = br.BaseStream.Position;
for (int i = 0; i < _fileCount; i++)
{
br.BaseStream.Position = origPos + _files[i].NameOffset;
_files[i].Path = new RelativePath(br.ReadStringTerm(VersionType.TES3));
}
br.BaseStream.Position = _hashTableOffset + 12;
for (int i = 0; i < _fileCount; i++)
{
_files[i].Hash1 = br.ReadUInt32();
_files[i].Hash2 = br.ReadUInt32();
}
_dataOffset = br.BaseStream.Position;
}
