public void method_20(string string3, string string4)
{
var stream = new Stream26(Bool2);
var stream2 = new Stream26();
method_18(stream, stream2);
if (Stream260 != null && String0 == string3 && String2 == string4)
{
Stream260.Close();
}
KeyGenerator.WriteAllBytes(string4, stream2.ReadEverything());
KeyGenerator.WriteAllBytes(string3, stream.ReadEverything());
stream.Dispose();
stream2.Dispose();
if (Stream260 != null && String0 == string3 && String2 == string4)
{
if (Class3180 != null && Class3180 != this)
{
Class3180.vmethod_1();
}
Dispose();
method_19();
GC.Collect();
}
}
private void method_19()
{
if (String1 != null)
{
Class3180 = new ZzPakNode2(String1, false);
}
using (var stream = new Stream26(File.Open(String0, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
var num = 0;
var num2 = (int)stream.Length;
if (num2 == 0)
{
throw new Exception("Pak File is empty!");
}
var int_ = stream.ReadInt();
stream.ReverseEndianness = (Bool2 = (!QbSongClass1.ContainsKey(int_) ||
!QbSongClass1.GetDictString(int_).StartsWith(".")));
Bool3 = (stream.ReadInt() < stream.Length);
var @enum = (Enum35)stream.ReadIntAt(28);
Bool1 = ((@enum & Enum35.Flag3) == Enum35.Flag0);
Int0 = stream.ReadIntAt(Bool1 ? 12 : 16,
Bool2 && (@enum & Enum35.Flag4) == Enum35.Flag0 && (@enum & Enum35.Flag5) == Enum35.Flag0);
while (true)
{
var enum2 = (Enum35)stream.ReadIntAt(num + 28, false);
var bool_ = Bool2 && (enum2 & Enum35.Flag4) == Enum35.Flag0 &&
(enum2 & Enum35.Flag5) == Enum35.Flag0;
var num3 = stream.ReadIntAt(num, bool_);
if (QbSongClass1.ContainsKey(num3) && (QbSongClass1.GetDictString(num3).Equals(".last") ||
QbSongClass1.GetDictString(num3).Equals("last")))
{
break;
}
var num4 = stream.ReadInt(bool_);
if (!Bool3)
{
num4 = num4 - num2 + num;
}
if (num4 < 0)
{
num4 = 0;
}
var int2 = stream.ReadInt(bool_);
var num5 = stream.ReadIntAt(num + (Bool1 ? 16 : 12), bool_);
var num6 = stream.ReadIntAt(num + 20, bool_);
var int3 = stream.ReadInt(bool_);
stream.Position += 4L;
if ((enum2 & Enum35.Flag3) != Enum35.Flag0)
{
Bool1 = false;
var text = Stream260.ReadString(160);
var num7 = text.IndexOf('\0');
if (num7 >= 0)
{
text = text.Substring(0, num7);
}
if (QbSongClass1.ContainsKey(num3) && !QbSongClass1.GetDictString(num3).EndsWith(".qb.ngc") &&
!QbSongClass1.GetDictString(num3).EndsWith(".qb.ps2"))
{
if (!Bool2)
{
if (num5 == KeyGenerator.GetQbKey(text = text.Replace("/", "\\").Replace(".ps2", ""),
true))
{
QbSongClass1.AddKeyToDictionary(text);
}
else if (num5 == KeyGenerator.GetQbKey(
text = text.Replace("/", "\\").Replace(".qb", ""), true))
{
QbSongClass1.AddKeyToDictionary(text);
}
}
else if (num5 == KeyGenerator.GetQbKey(text = text.Replace("/", "\\").Replace(".ngc", ""),
true))
{
QbSongClass1.AddKeyToDictionary(text);
}
else if (num5 == KeyGenerator.GetQbKey(text = text.Replace("/", "\\").Replace(".qb", ""),
true))
{
QbSongClass1.AddKeyToDictionary(text);
}
}
else
{
var text2 = "abcdefghijklmnopqrstuvwxyz";
for (var i = 0; i < text2.Length; i++)
{
var c = text2[i];
if (num5 == KeyGenerator.GetQbKey(c + text, true))
{
QbSongClass1.AddKeyToDictionary(c + text);
}
}
}
if (num6 == KeyGenerator.GetQbKey(text = KeyGenerator.GetFileNameNoExt(text), true))
{
QbSongClass1.AddKeyToDictionary(text);
}
}
TreeNode treeNode;
if (QbSongClass1.ContainsKey(num3) && QbSongClass1.GetDictString(num3).EndsWith("qb"))
{
treeNode = new Class309(num3, num4, int2, num5, num6, int3, enum2);
}
else if (QbSongClass1.ContainsKey(num3) && QbSongClass1.GetDictString(num3).Contains("qs"))
{
treeNode = new Class328(num3, num4, int2, num5, num6, int3, enum2);
}
else
{
treeNode = new ZzCocoaNode12(num3, num4, int2, num5, num6, int3, enum2);
}
if (QbSongClass1.ContainsKey(num5))
{
method_1(QbSongClass1.GetDictString(num5), treeNode);
}
else
{
method_5(num5, (INterface12)treeNode);
}
num += (((enum2 & Enum35.Flag3) != Enum35.Flag0) ? 192 : 32);
}
}
Stream260 = new Stream26(File.Open(String2, FileMode.Open, FileAccess.Read, FileShare.Read));
if (Stream260.Length == 0L)
{
throw new Exception("Pab File is empty!");
}
}