private static void CreateAssetPatch(Settings settings, IBSA original, Fo3File originalRecord, Fo3File resultRecord, RecordAction recordAction)
{
string patchName;
string patchFile;
// @todo: memory stream and name with md5
using (var patchStream = new MemoryStream())
{
// @todo: lock
byte[] originalRecordBytes;
if (original != null)
{
lock (original)
{
originalRecordBytes = originalRecord.GetData(original.Reader);
}
}
else
{
originalRecordBytes = originalRecord.GetData();
}
var referenceBytes = resultRecord.GetData();
BsDiff.Create(originalRecordBytes, referenceBytes, patchStream);
patchStream.Seek(0, SeekOrigin.Begin);
patchName = new Guid(MD5.Create().ComputeHash(patchStream)).ToString();
recordAction.PatchName = patchName;
patchFile = string.Format("{0}\\{1}.patch", settings.GetTempFolder("Patches"), patchName);
try
{
using (var fileStream = new FileStream(patchFile, FileMode.CreateNew))
{
patchStream.Seek(0, SeekOrigin.Begin);
patchStream.CopyTo(fileStream);
}
}
catch (IOException exc)
{
// ignored
}
}
}