public static List <byte[]> Unchunk(byte[] input, string dat)
{
var ms = new MemoryStream();
var min = new MemoryStream(input);
min.Position = 4;
Lzs.Decode(min, ms);
System.Diagnostics.Debug.WriteLine("FF:Unchunk:LZS expanded {0} bytes to {1} bytes", input.Length, ms.Length);
byte[] scratch = new byte[4];
byte[] all = new byte[ms.Length];
int numsection = 6; // 7, but starts from 0
System.Diagnostics.Debug.WriteLine("FF:Unchunk:{0} sections", numsection, 0);
List <byte[]> sections = new List <byte[]>();
foreach (int i in Enumerable.Range(0, numsection))
{
ms.Position = 0 + i * 4; // Jumps to next header offset (4-byte)
ms.Read(scratch, 0, 4); // Reads the header offset for section start
ms.Read(all, 0, (int)ms.Length); // Reads the header offset for section start
using (var stream = new FileStream(dat, FileMode.Append))
{
stream.Write(all, 0, all.Length);
}
ms.Position = BitConverter.ToInt32(scratch, 0); // Sets position to header offset
ms.Read(scratch, 0, 4); // Reads the section header for section length
int len = BitConverter.ToInt32(scratch, 0); // Converts section length into integer
byte[] s = new byte[len]; // Creates a buffer equal to length
ms.Read(s, 0, len); // Writes data to the buffer
sections.Add(s); // Adds the section to a collection which will be returned at the end
}
return(sections);
}
public static List <byte[]> Unchunk(byte[] input)
{
var ms = new MemoryStream();
var min = new MemoryStream(input);
min.Position = 4;
Lzs.Decode(min, ms);
System.Diagnostics.Debug.WriteLine("FF:Unchunk:LZS expanded {0} bytes to {1} bytes", input.Length, ms.Length);
byte[] scratch = new byte[4];
ms.Position = 2;
ms.Read(scratch, 0, 4);
int numsection = BitConverter.ToInt32(scratch, 0);
System.Diagnostics.Debug.WriteLine("FF:Unchunk:{0} sections", numsection, 0);
List <byte[]> sections = new List <byte[]>();
foreach (int i in Enumerable.Range(0, numsection))
{
if (i == 8) // Actually section9, as we started counting from 0. Lovely.
{
ms.Position = 6 + i * 4;
ms.Read(scratch, 0, 4);
ms.Position = BitConverter.ToInt32(scratch, 0);
ms.Read(scratch, 0, 4);
int len = BitConverter.ToInt32(scratch, 0);
// Section 9
byte[] s = new byte[len];
ms.Read(s, 0, len);
sections.Add(s);
// Section '10' (terminator)
int finalLen = 14;
byte[] x = new byte[finalLen];
ms.Read(x, 0, finalLen);
sections.Add(x);
}
else
{
ms.Position = 6 + i * 4;
ms.Read(scratch, 0, 4);
ms.Position = BitConverter.ToInt32(scratch, 0);
ms.Read(scratch, 0, 4);
int len = BitConverter.ToInt32(scratch, 0);
byte[] s = new byte[len];
ms.Read(s, 0, len);
sections.Add(s);
}
}
return(sections);
}