private static byte[] sub_403220(byte[] src)
{
byte[][] numArray = new byte[17][];
numArray[0] = L1PakTools.sub_4032E0(src, L1PakTools.Map1);
int index = 0;
int a1 = 15;
while (a1 >= 0)
{
numArray[index + 1] = L1PakTools.sub_403340(a1, numArray[index]);
--a1;
++index;
}
return(L1PakTools.sub_4032E0(new byte[8]
{
numArray[16][4],
numArray[16][5],
numArray[16][6],
numArray[16][7],
numArray[16][0],
numArray[16][1],
numArray[16][2],
numArray[16][3]
}, L1PakTools.Map2));
}
private static byte[] sub_4033B0(byte[] a1, int a2)
{
byte[] numArray = L1PakTools.sub_403450(a1);
int index = a2 * 6;
return(L1PakTools.sub_4035A0(L1PakTools.sub_403520(new byte[6]
{
(byte)((uint)numArray[0] ^ (uint)L1PakTools.Map5[index]),
(byte)((uint)numArray[1] ^ (uint)L1PakTools.Map5[index + 1]),
(byte)((uint)numArray[2] ^ (uint)L1PakTools.Map5[index + 2]),
(byte)((uint)numArray[3] ^ (uint)L1PakTools.Map5[index + 3]),
(byte)((uint)numArray[4] ^ (uint)L1PakTools.Map5[index + 4]),
(byte)((uint)numArray[5] ^ (uint)L1PakTools.Map5[index + 5])
})));
}
private static byte[] sub_403340(int a1, byte[] a2)
{
byte[] a1_1 = new byte[4];
Array.Copy((Array)a2, 4, (Array)a1_1, 0, 4);
byte[] numArray = L1PakTools.sub_4033B0(a1_1, a1);
return(new byte[8]
{
a2[4],
a2[5],
a2[6],
a2[7],
(byte)((uint)numArray[0] ^ (uint)a2[0]),
(byte)((uint)numArray[1] ^ (uint)a2[1]),
(byte)((uint)numArray[2] ^ (uint)a2[2]),
(byte)((uint)numArray[3] ^ (uint)a2[3])
});
}
private static byte[] Coder(byte[] src, int index, bool IsEncode)
{
byte[] numArray = new byte[src.Length - index];
if (L1PakTools.progressbar != null)
{
L1PakTools.progressbar.Maximum = src.Length;
L1PakTools.progressbar.Value = 0;
}
if (numArray.Length >= 8)
{
byte[] src1 = new byte[8];
int num = numArray.Length / 8;
int destinationIndex = 0;
for (; num > 0; --num)
{
Array.Copy((Array)src, destinationIndex + index, (Array)src1, 0, 8);
if (IsEncode)
{
Array.Copy((Array)L1PakTools.sub_403160(src1), 0, (Array)numArray, destinationIndex, 8);
}
else
{
Array.Copy((Array)L1PakTools.sub_403220(src1), 0, (Array)numArray, destinationIndex, 8);
}
destinationIndex += 8;
if (L1PakTools.progressbar != null)
{
L1PakTools.progressbar.Increment(8);
}
}
}
int length = numArray.Length % 8;
if (length > 0)
{
int destinationIndex = numArray.Length - length;
Array.Copy((Array)src, destinationIndex + index, (Array)numArray, destinationIndex, length);
}
if (L1PakTools.progressbar != null)
{
L1PakTools.progressbar.Value = src.Length;
}
return(numArray);
}
public static L1PakTools.IndexRecord Decode_Index_FirstRecord(byte[] src)
{
byte[] src1 = new byte[36];
Array.Copy((Array)src, (Array)src1, src1.Length);
return(new L1PakTools.IndexRecord(L1PakTools.Decode(src1, 4), 0));
}
public static byte[] Decode(byte[] src, int index)
{
return(L1PakTools.Coder(src, index, false));
}
public static byte[] Encode(byte[] src, int index)
{
return(L1PakTools.Coder(src, index, true));
}
