private void GetNextPatch()
{
if( _index == _patchList.Count )
ExtractFiles();
else
{
string[] patchAndCrc = _patchList[_index].Split('|');
if( patchAndCrc.Length < 2 )
{
MessageBox.Show("Patch listing on line " + ( (int)( _index + 1 ) ).ToString() + " is invalid, Aborting...");
_index++;
GetNextPatch();
}
string patch = patchAndCrc[0];
string scrc = patchAndCrc[1];
string fileName = Path.GetFileName(patch);
uint crc;
if( !uint.TryParse(scrc, out crc) )
{
MessageBox.Show("Patch CRC on line " + ( (int)( _index + 1 ) ).ToString() + " is invalid, Aborting...");
OnPatchingComplete(null, new OperationCompleteArgs());
}
if( File.Exists(Path.Combine(_patchFolder, fileName)) )
{
CRC32 crc32 = new CRC32();
FileStream fs = new FileStream(Path.Combine(_patchFolder, fileName), FileMode.Open);
uint fileCRC = crc32.GetCrc32(fs);
fs.Close();
if( fileCRC != crc )
{
_needsPatching = true;
DownloadFile(patch, Path.Combine(_patchFolder, fileName));
}
else
{
_index++;
GetNextPatch();
}
}
else
{
_needsPatching = true;
DownloadFile(patch, Path.Combine(_patchFolder, fileName));
}
}
}
private void OnPatchingComplete( object sender, OperationCompleteArgs args )
{
if (!_oldPatchingStyle && _needsPatching)
{
DirectoryInfo dir = new DirectoryInfo(_patchFolder);
FileInfo[] patches = dir.GetFiles("*.patch");
for (int i = 0; i < patches.Length; i++)
if( patches[i].FullName != _patcher.CombinedPatchFile)
File.Delete(patches[i].FullName);
string tempFile = _patcher.CombinedPatchFile;
CRC32 crc32 = new CRC32();
ulong hash = 0;
for( int i = 0; i < _allPatchFiles.Count; i++ )
hash += (ulong)crc32.GetCrc32(File.Open(_allPatchFiles[i].FullName, FileMode.Open));
_patchFile = Path.Combine(_patchFolder, hash.ToString() + ".patch");
File.Move(tempFile, _patchFile);
}
else
{
DirectoryInfo dir = new DirectoryInfo(_patchFolder);
FileInfo[] patch = dir.GetFiles("*.patch");
if (patch.Length >= 1)
_patchFile = patch[0].FullName;
}
if (this.Visible)
Invoke((MethodInvoker)delegate
{
cancelBtn.Text = "Close";
_closeTimer = new System.Timers.Timer(1000);
_closeTimer.Elapsed += new System.Timers.ElapsedEventHandler(closeTimer_Elapsed);
_closeTimer.Start();
});
}
private bool CrcCheck(List<FileInfo> _allPatchFiles)
{
CRC32 crc32 = new CRC32();
ulong hash = 0;
for( int i = 0; i < _allPatchFiles.Count; i++ )
{
FileStream fs = new FileStream(_allPatchFiles[i].FullName, FileMode.Open);
hash += (ulong)crc32.GetCrc32(fs);
fs.Close();
}
_patchFile = Path.Combine(_patchFolder, hash.ToString() + ".patch");
return File.Exists(_patchFile);
}
