/// <summary>
/// Extracts the KIFINT entry file from the the entry's open KIFINT archive stream and saves it to the output
/// <paramref name="directory"/>.
/// </summary>
/// <param name="kifintStream">The stream to the open KIFINT archive.</param>
/// <param name="entry">The KIFINT entry used to locate the file.</param>
/// <param name="directory">
/// The directory to save the file to. The file name will be <see cref="KifintEntry.FileName"/>.
/// </param>
///
/// <exception cref="ArgumentNullException">
/// <paramref name="kifintStream"/>, <paramref name="entry"/>, or <paramref name="directory"/> is null.
/// </exception>
public static void ExtractToDirectory(KifintStream kifintStream, KifintEntry entry, string directory)
{
if (kifintStream == null)
{
throw new ArgumentNullException(nameof(kifintStream));
}
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
if (directory == null)
{
throw new ArgumentNullException(nameof(directory));
}
var kifint = entry.Kifint;
kifintStream.Open(kifint);
BinaryReader reader = new BinaryReader(kifintStream);
kifintStream.Position = entry.Offset;
byte[] buffer = reader.ReadBytes(entry.Length);
if (kifint.IsEncrypted)
{
DecryptData(buffer, entry.Length, kifint.FileKey);
}
File.WriteAllBytes(Path.Combine(directory, entry.FileName), buffer);
}
/// <summary>
/// Extracts the KIFINT entry file from the the entry's KIFINT archive.
/// </summary>
/// <param name="kifintStream">The stream to the open KIFINT archive.</param>
/// <param name="entry">The KIFINT entry used to locate the file.</param>
/// <returns>A byte array containing the extracted KIFINT entry's file data.</returns>
///
/// <exception cref="ArgumentNullException">
/// <paramref name="kifintStream"/> or <paramref name="entry"/> is null.
/// </exception>
public static byte[] Extract(KifintStream kifintStream, KifintEntry entry)
{
if (kifintStream == null)
{
throw new ArgumentNullException(nameof(kifintStream));
}
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
var kifint = entry.Kifint;
kifintStream.Open(kifint);
BinaryReader reader = new BinaryReader(kifintStream);
kifintStream.Position = entry.Offset;
byte[] buffer = reader.ReadBytes(entry.Length);
if (kifint.IsEncrypted)
{
DecryptData(buffer, entry.Length, kifint.FileKey);
}
return(buffer);
}