/// <summary>
/// Reads file data. This method should not be called from subclasses !
/// </summary>
protected override void _ReadData()
{
try
{
// File decryption
string tempFolder = File2.SetTemporaryFolder(null, LibraryConstants.FOLDER_TEMP, true);
_WorkingFileName = string.Concat(tempFolder, FILE_AICONFIG_XML);
XTEAEncryption.Decrypt(_FileName, _WorkingFileName);
// Extracting xml and dirty data
byte[] xmlData;
using (BinaryReader reader = new BinaryReader(new FileStream(_WorkingFileName, FileMode.Open, FileAccess.Read)))
{
// Finding 0x00 0x00 sequence
byte readByte = 0xAA;
while (readByte != 0x00)
{
readByte = reader.ReadByte();
}
long xmlPartLength = reader.BaseStream.Position;
reader.BaseStream.Seek(0, SeekOrigin.Begin);
xmlData = reader.ReadBytes((int)(xmlPartLength - 1));
_DirtyData = reader.ReadBytes((int)(reader.BaseStream.Length - xmlData.Length));
}
// Loading xml...
_Doc = new XmlDocument();
File2.WriteBytesToFile(_WorkingFileName, xmlData);
_Doc.Load(_WorkingFileName);
// Locating zones
const string xRequest = "/AICONFIG/VEHICLE_REPARTITION/ZONE";
_ZoneNodes = _Doc.SelectNodes(xRequest);
if (_ZoneNodes == null || _ZoneNodes.Count == 0)
{
throw new Exception("Invalid zoning data in AIConfig.xml: see " + xRequest);
}
}
catch (Exception ex)
{
throw new Exception("Unable to read file: " + _FileName, ex);
}
}
/// <summary>
/// Extrait le fichier spécifié du BNK.
/// If destination file already exists, it is renamed to *_old.
/// </summary>
/// <param name="aFile">Fichier empaqueté</param>
/// <param name="path">Nom du fichier à créer ou nom du dossier où il doit être extrait (le nom sera inchangé)</param>
/// <param name="toFolder">true si le path désigne un nom de dossier, false si c'est un nom de fichier</param>
private static void _ExtractPackedFile(PackedFile aFile, string path, bool toFolder)
{
if (!string.IsNullOrEmpty(path) && aFile.exists)
{
// Gestion des deux modes d'extraction
string newFileName = path;
if (toFolder)
{
newFileName = Path.Combine(path, aFile.fileName);
}
// Same name management
Tools.RenameIfNecessary(newFileName, LibraryConstants.SUFFIX_OLD_FILE);
// On lance la création
File2.WriteBytesToFile(newFileName, aFile.Data);
}
}
