public IList <IArchiveFileInfo> Load(Stream input)
{
using var br = new BinaryReaderX(input, true);
// Read header
_header = br.ReadType <X3Header>();
// Read file entries
var entries = br.ReadMultiple <X3FileEntry>(_header.fileCount);
// Add files
var result = new List <IArchiveFileInfo>();
foreach (var entry in entries)
{
var rawFileStream = new SubStream(input, entry.offset * _header.alignment, entry.fileSize);
// Prepare (de-)compressed file stream for extension detection
Stream fileStream = rawFileStream;
if (entry.IsCompressed)
{
fileStream = new X3CompressedStream(fileStream);
}
var extension = X3Support.DetermineExtension(fileStream);
var fileName = $"{result.Count:00000000}{extension}";
// Pass unmodified SubStream, so X3Afi can take care of compression wrapping again
// Necessary for access to original compressed file data in saving
result.Add(new X3ArchiveFileInfo(rawFileStream, fileName, entry));
}
return(result);
}
public Stream GetFinalStream()
{
if (!ContentChanged)
{
_rawStream.Position = 0;
return(_rawStream);
}
var result = FileData;
if (ShouldCompress && ContentChanged)
{
return(X3CompressedStream.Compress(FileData));
}
result.Position = 0;
return(result);
}
