/// <summary>
/// Creates an RARC virtual folder from data and an archive name.
/// </summary>
/// <param name="data">The RARC file data</param>
/// <param name="name">The name of the RARC archive</param>
public RARC(byte[] data, string name)
{
FileName = name;
if (Yay0.IsYay0(data))
{
data = Yay0.Decompress(data);
}
else if (Yaz0.IsYaz0(data))
{
data = Yaz0.Decompress(data);
}
Header = new RARCHeader(data);
ReadNodes(data);
}
/// <summary>
/// Creates an RARC archive from the given directory and settings.
/// </summary>
/// <param name="directory">The directory to be converted to an RARC archive.</param>
/// <param name="archiveType">The type of archive this will be treated as.</param>
/// <param name="compressionType">The compression type of the final archive, if one is desired.</param>
public RARC(string directory, ArchiveType archiveType = ArchiveType.MemoryArchive, CompressionType compressionType = CompressionType.None)
{
if (!Directory.Exists(directory))
{
throw new ArgumentException("Constructor expects a valid directory!", nameof(directory));
}
var archiveName = $"{Path.GetFileName(directory)}.arc";
if (compressionType != CompressionType.None)
{
archiveName += compressionType == CompressionType.SZP ? ".szp" : ".szs";
}
var archiveFileName = Path.Combine(Path.GetDirectoryName(directory), archiveName);
using var writer = new BinaryWriterX(File.Create(archiveFileName), ByteOrder.BigEndian);
Header = new RARCHeader();
CreateArchive(writer, directory, archiveType, compressionType);
writer.Close();
// Compress the archive if requested
if (compressionType != CompressionType.None)
{
var fileData = File.ReadAllBytes(archiveFileName);
switch (compressionType)
{
case CompressionType.SZP:
var szpData = Yay0.Compress(fileData);
if (szpData.Length < fileData.Length)
{
File.WriteAllBytes(archiveFileName, szpData);
}
break;
case CompressionType.SZS:
var szsData = Yaz0.Compress(fileData);
if (szsData.Length < fileData.Length)
{
File.WriteAllBytes(archiveFileName, szsData);
}
break;
}
}
}
