/// <summary>
/// Save as pure MDF
/// </summary>
/// <param name="psb"></param>
/// <param name="key"></param>
/// <returns></returns>
public static byte[] SaveAsMdf(this PSB psb, uint?key = null)
{
psb.Merge();
var bytes = psb.Build();
Adler32 adler = new Adler32();
uint checksum = 0;
if (key == null)
{
adler.Update(bytes);
checksum = (uint)adler.Checksum;
}
MemoryStream ms = new MemoryStream(bytes);
using (MemoryStream fs = new MemoryStream())
{
if (key != null)
{
MemoryStream nms = new MemoryStream((int)ms.Length);
PsbFile.Encode(key.Value, EncodeMode.Encrypt, EncodePosition.Auto, ms, nms);
ms.Dispose();
ms = nms;
var pos = ms.Position;
adler.Update(ms);
checksum = (uint)adler.Checksum;
ms.Position = pos;
}
BinaryWriter bw = new BinaryWriter(fs);
bw.WriteStringZeroTrim(MdfFile.Signature);
bw.Write((uint)ms.Length);
//bw.Write(ZlibCompress.Compress(ms));
ZlibCompress.CompressToBinaryWriter(bw, ms);
bw.WriteBE(checksum);
ms.Dispose();
bw.Flush();
return(fs.ToArray());
}
}
/// <summary>
/// Save PSB as MDF file
/// </summary>
/// <param name="psb"></param>
/// <param name="path"></param>
/// <param name="key"></param>
public static void SaveAsMdfFile(this PSB psb, string path, uint?key = null)
{
psb.Merge();
var bytes = psb.Build();
Adler32 checksumer = new Adler32();
uint checksum = 0;
if (key == null)
{
checksumer.Update(bytes);
checksum = (uint)checksumer.Checksum;
}
MemoryStream ms = new MemoryStream(bytes);
using (Stream fs = new FileStream(path, FileMode.Create))
{
if (key != null)
{
MemoryStream nms = new MemoryStream((int)ms.Length);
PsbFile.Encode(key.Value, EncodeMode.Encrypt, EncodePosition.Auto, ms, nms);
ms.Dispose();
ms = nms;
var pos = ms.Position;
checksumer.Update(ms);
checksum = (uint)checksumer.Checksum;
ms.Position = pos;
}
BinaryWriter bw = new BinaryWriter(fs);
bw.WriteStringZeroTrim(MdfFile.Signature);
bw.Write((uint)ms.Length);
bw.Write(ZlibCompress.Compress(ms));
bw.WriteBE(checksum);
ms.Dispose();
bw.Flush();
}
}
