public byte[] XCompress(byte[] src, int srcLen, int usize, out int size)
{
IntPtr pContext = IntPtr.Zero;
BFF.My_XMemCreateCompressionContext(1, IntPtr.Zero, (ushort)0, out pContext);
int pDestSize = usize * 2;
byte[] pDestBuffer = new byte[pDestSize];
if (BFF.My_XMemCompress(pContext, pDestBuffer, out pDestSize, src, srcLen) != 0)
{
throw new Exception("Can't decompress. Aborting processing.");
}
size = pDestSize;
return(pDestBuffer);
}
public void Build()
{
this.StopProcessing.Reset();
EventData eventData = new EventData();
List <string> fileList = this.getFileList();
if (this.RebuildStarted != null)
{
eventData.TotalFiles = fileList.Count;
this.RebuildStarted((object)eventData, EventArgs.Empty);
}
Header header = new Header();
header.sign = new byte[4]
{
(byte)32,
(byte)75,
(byte)65,
(byte)80
};
header.sign2 = new byte[4]
{
(byte)3,
(byte)0,
(byte)64,
(byte)16
};
header.sign3 = new byte[5]
{
(byte)32,
(byte)84,
(byte)88,
(byte)69,
(byte)84
};
header.filename = new byte[256];
header.gecko = new byte[256];
header.filepath = new byte[256];
header.pc = new byte[256];
int[] fromOriginalArchive = this.getStaticDataFromOriginalArchive();
header.align = fromOriginalArchive[0];
header.field_offset = fromOriginalArchive[1];
header.field_size = fromOriginalArchive[2];
header.offset = header.align;
List <BFF.StaticData> staticData1 = this.getStaticData(fileList);
header.files = fileList.Count;
string name = new FileInfo(this._files.OutputArchive).Name;
Encoding.Default.GetBytes(name.Substring(0, name.Length - 4)).CopyTo((Array)header.filename, 0);
Encoding.Default.GetBytes("Gecko.xml").CopyTo((Array)header.gecko, 0);
Encoding.Default.GetBytes(this._files.SourceFolder).CopyTo((Array)header.filepath, 0);
Encoding.Default.GetBytes("PC").CopyTo((Array)header.pc, 0);
InfoTable[] infoTableArray = new InfoTable[fileList.Count];
for (int index = 0; index < fileList.Count; ++index)
{
BFF.StaticData staticData2 = staticData1[index];
infoTableArray[index].dummy1 = staticData2.dummy1;
infoTableArray[index].dummy2 = staticData2.dummy2;
infoTableArray[index].offset = header.align;
infoTableArray[index].type = (short)2;
infoTableArray[index].everzero = staticData2.everzero;
infoTableArray[index].everzero2 = staticData2.everzero2;
infoTableArray[index].everzero3 = staticData2.everzero3;
infoTableArray[index].size = staticData2.fileSize;
infoTableArray[index].zsize = staticData2.fileSize;
}
header.infotable = new byte[42 * fileList.Count];
header.x118_sizeof_infotable = 42 * fileList.Count;
FileStream fileStream1 = new FileStream(this._files.OriginalArchive, FileMode.Open);
fileStream1.Read(header.infotable, 0, header.x118_sizeof_infotable);
byte[] buffer1 = new byte[header.field_size];
fileStream1.Seek((long)header.field_offset, SeekOrigin.Begin);
fileStream1.Read(buffer1, 0, header.field_size);
fileStream1.Close();
for (int index = 0; index < fileList.Count; ++index)
{
string str = string.Format("{0}\\{1}", (object)this._files.SourceFolder, (object)fileList[index]);
string s = new FileInfo(str).Extension.Substring(1);
if (s.Length > 3)
{
s = s.Substring(0, 3);
}
byte[] bytes = Encoding.Default.GetBytes(s);
infoTableArray[index].extension = new byte[4];
bytes.CopyTo((Array)infoTableArray[index].extension, 0);
FileStream fileStream2 = new FileStream(str, FileMode.Open);
byte[] buffer2 = new byte[(int)fileStream2.Length];
fileStream2.Read(buffer2, 0, (int)fileStream2.Length);
fileStream2.Close();
infoTableArray[index].size = buffer2.Length;
infoTableArray[index].zsize = buffer2.Length;
}
IntPtr num1 = Marshal.AllocHGlobal(header.x118_sizeof_infotable);
for (int index = 0; index < fileList.Count; ++index)
{
Marshal.StructureToPtr((object)infoTableArray[index], new IntPtr(num1.ToInt64() + (long)(42 * index)), false);
}
Marshal.Copy(num1, header.infotable, 0, header.infotable.Length);
Marshal.FreeHGlobal(num1);
header.x120_sizeof_nametable_plus_308h = 16 * fileList.Count;
for (int index = 0; index < fileList.Count; ++index)
{
header.x120_sizeof_nametable_plus_308h += fileList[index].Length + 1;
}
byte[] buffer3 = new byte[4];
FileStream fileStream3 = new FileStream(this._files.OutputArchive, FileMode.Create);
fileStream3.Seek(0L, SeekOrigin.Begin);
fileStream3.Write(header.sign, 0, 4);
fileStream3.Write(header.sign2, 0, 4);
fileStream3.Write(BitConverter.GetBytes(header.files), 0, 4);
fileStream3.Write(BitConverter.GetBytes(header.align), 0, 4);
fileStream3.Seek(4L, SeekOrigin.Current);
fileStream3.Write(BitConverter.GetBytes(2048), 0, 4);
fileStream3.Write(header.filename, 0, header.filename.Length);
fileStream3.Write(BitConverter.GetBytes(header.x118_sizeof_infotable), 0, 4);
fileStream3.Seek(4L, SeekOrigin.Current);
fileStream3.Write(BitConverter.GetBytes(header.x120_sizeof_nametable_plus_308h + 776), 0, 4);
fileStream3.Write(BitConverter.GetBytes(header.field_offset), 0, 4);
fileStream3.Write(BitConverter.GetBytes(header.field_size), 0, 4);
fileStream3.Write(buffer3, 0, 1);
fileStream3.Write(buffer3, 0, 1);
fileStream3.Write(buffer3, 0, 1);
fileStream3.Write(buffer3, 0, 1);
int position1 = (int)fileStream3.Position;
fileStream3.Write(header.infotable, 0, header.infotable.Length);
fileStream3.Write(header.sign3, 0, 5);
fileStream3.Write(buffer3, 0, 3);
fileStream3.Write(header.gecko, 0, header.gecko.Length);
fileStream3.Write(header.filepath, 0, header.filepath.Length);
fileStream3.Write(header.pc, 0, header.pc.Length);
long position2 = fileStream3.Position;
int count = fileList.Count;
int nametablePlus308h = header.x120_sizeof_nametable_plus_308h;
byte[] buffer4 = new byte[nametablePlus308h];
FileStream fileStream4 = new FileStream(this._files.OriginalArchive, FileMode.Open);
fileStream4.Seek(fileStream3.Position, SeekOrigin.Begin);
fileStream4.Read(buffer4, 0, nametablePlus308h);
fileStream4.Close();
fileStream3.Write(buffer4, 0, nametablePlus308h);
fileStream3.Write(buffer1, 0, buffer1.Length);
fileStream3.Seek((long)header.offset, SeekOrigin.Begin);
IntPtr pContext = IntPtr.Zero;
BFF.My_XMemCreateCompressionContext(1, IntPtr.Zero, (ushort)0, out pContext);
for (int index = 0; index < fileList.Count && !this.StopProcessing.WaitOne(1); ++index)
{
if (this.FileProcessing != null)
{
eventData.CurrentFile = index;
eventData.Filename = fileList[index];
eventData.FileSize = infoTableArray[index].size;
this.FileProcessing((object)eventData, EventArgs.Empty);
}
FileStream fileStream2 = new FileStream(string.Format("{0}\\{1}", (object)this._files.SourceFolder, (object)fileList[index]), FileMode.Open);
int length = (int)fileStream2.Length;
byte[] numArray1 = new byte[length];
fileStream2.Read(numArray1, 0, length);
fileStream2.Close();
int position3 = (int)fileStream3.Position;
int pDestSize = length;
byte[] numArray2 = new byte[pDestSize];
bool flag = false;
byte[] buffer2 = new byte[1];
switch (BFF.My_XMemCompress(pContext, numArray2, out pDestSize, numArray1, length))
{
case -2116149247:
if (!flag)
{
fileStream3.Write(numArray1, 0, length);
pDestSize = length;
buffer2[0] = (byte)0;
}
else
{
buffer2[0] = (byte)2;
fileStream3.Write(numArray2, 0, pDestSize);
}
int position4 = (int)fileStream3.Position;
fileStream3.Seek((long)(position1 + 16 + 42 * index), SeekOrigin.Begin);
fileStream3.Write(BitConverter.GetBytes(pDestSize), 0, 4);
uint num2 = !flag?this._getCRC(numArray1, length) : this._getCRC(numArray2, pDestSize);
fileStream3.Seek(14L, SeekOrigin.Current);
fileStream3.Write(BitConverter.GetBytes(num2), 0, 4);
fileStream3.Seek(-6L, SeekOrigin.Current);
byte[] buffer5 = new byte[1];
this.Assert(fileStream3.Read(buffer5, 0, 1), 1);
fileStream3.Seek(-1L, SeekOrigin.Current);
fileStream3.Write(buffer2, 0, 1);
if (index >= 0)
{
fileStream3.Seek((long)(position1 + 8 + 42 * index), SeekOrigin.Begin);
fileStream3.Write(BitConverter.GetBytes(position3), 0, 4);
fileStream3.Seek((long)position4, SeekOrigin.Begin);
}
int position5 = (int)fileStream3.Position;
int num3 = 2048 - position5 % 2048;
if (num3 == 0)
{
num3 = 2048;
}
int num4 = position5 + num3;
fileStream3.Seek((long)num4, SeekOrigin.Begin);
continue;
case 0:
flag = true;
goto case -2116149247;
default:
throw new Exception("Cannot compress file. Aborting");
}
}
fileStream3.Close();
this.Result = !this.StopProcessing.WaitOne(1) ? string.Format("{0} file(s) added to {1}", (object)fileList.Count, (object)this._files.OutputArchive) : "Aborted by user";
if (this.RebuildEnded == null)
{
return;
}
this.RebuildEnded((object)null, EventArgs.Empty);
}
private void doInject(List <FileInfo> files, bool alwaysUpdate)
{
DateTime lastWriteTime1 = File.GetLastWriteTime(this._files.OriginalArchive);
EventData eventData = new EventData();
List <string> fileList = this.getFileList();
int startIndex = this._files.SourceFolder.Length + 1;
foreach (FileSystemInfo file in files)
{
string str = file.FullName.Substring(startIndex);
if (fileList.Contains(str))
{
++eventData.TotalFiles;
}
}
if (this.RebuildStarted != null)
{
this.RebuildStarted((object)eventData, EventArgs.Empty);
}
File.Copy(this._files.OriginalArchive, this._files.OriginalArchive + ".tmp", true);
IntPtr pContext = IntPtr.Zero;
BFF.My_XMemCreateCompressionContext(1, IntPtr.Zero, (ushort)0, out pContext);
int num1 = 304;
byte[] buffer1 = new byte[4];
FileStream fileStream1 = new FileStream(this._files.OriginalArchive + ".tmp", FileMode.Open);
fileStream1.Seek(280L, SeekOrigin.Begin);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
BitConverter.ToInt32(buffer1, 0);
int num2 = 0;
try
{
int index1 = 0;
foreach (FileInfo file in files)
{
if (!this.StopProcessing.WaitOne(1))
{
string str = file.FullName.Substring(startIndex);
DateTime lastWriteTime2 = file.LastWriteTime;
if (alwaysUpdate || lastWriteTime2.CompareTo(lastWriteTime1) >= 0)
{
int num3 = fileList.IndexOf(str);
if (num3 != -1)
{
int num4 = num1 + 42 * num3;
fileStream1.Seek((long)(num4 + 8), SeekOrigin.Begin);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
int int32_1 = BitConverter.ToInt32(buffer1, 0);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
int position = (int)fileStream1.Position;
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
int int32_2 = BitConverter.ToInt32(buffer1, 0);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
BitConverter.ToInt32(buffer1, 0);
int num5 = position + 18;
fileStream1.Seek((long)num5, SeekOrigin.Begin);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
BitConverter.ToInt32(buffer1, 0);
FileStream fileStream2 = new FileStream(file.FullName, FileMode.Open);
int length = (int)fileStream2.Length;
byte[] numArray1 = new byte[length];
fileStream2.Read(numArray1, 0, length);
fileStream2.Close();
int pDestSize = length * 3;
byte[] numArray2 = new byte[pDestSize];
switch (BFF.My_XMemCompress(pContext, numArray2, out pDestSize, numArray1, length))
{
case -2116149247:
case 0:
if (pDestSize > length)
{
pDestSize = length;
}
if (pDestSize - int32_2 >= int32_2 % 2048 && num3 < fileList.Count - 1)
{
fileStream1.Seek((long)(num1 + 42 * (num3 + 1) + 8), SeekOrigin.Begin);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
if (BitConverter.ToInt32(buffer1, 0) - num4 < pDestSize)
{
FileStream fileStream3 = new FileStream(this._files.OriginalArchive, FileMode.Open);
int num6 = pDestSize - int32_2;
for (int index2 = fileList.Count - 1; index2 > num3; ++index2)
{
fileStream1.Seek((long)(num1 + 42 * index2 + 8), SeekOrigin.Begin);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
int int32_3 = BitConverter.ToInt32(buffer1, 0);
fileStream1.Seek(4L, SeekOrigin.Current);
this.Assert(fileStream1.Read(buffer1, 0, 4), 4);
int int32_4 = BitConverter.ToInt32(buffer1, 0);
int num7 = int32_3 + num6 + 2048 - (int32_3 + num6) % 2048;
fileStream1.Seek((long)(num1 + 42 * index2 + 8), SeekOrigin.Begin);
fileStream1.Write(BitConverter.GetBytes(num7), 0, 4);
fileStream3.Seek((long)int32_3, SeekOrigin.Begin);
byte[] buffer2 = new byte[int32_4];
fileStream3.Read(buffer2, 0, int32_4);
fileStream1.Seek((long)num7, SeekOrigin.Begin);
fileStream1.Write(buffer2, 0, int32_4);
}
fileStream3.Close();
}
}
fileStream1.Seek((long)int32_1, SeekOrigin.Begin);
if (pDestSize == length)
{
fileStream1.Write(numArray1, 0, length);
}
else
{
fileStream1.Write(numArray2, 0, pDestSize);
}
fileStream1.Seek((long)position, SeekOrigin.Begin);
fileStream1.Write(BitConverter.GetBytes(pDestSize), 0, 4);
fileStream1.Write(BitConverter.GetBytes(length), 0, 4);
if (pDestSize == length)
{
fileStream1.Seek(8L, SeekOrigin.Current);
byte[] buffer2 = new byte[1];
this.Assert(fileStream1.Read(buffer2, 0, 1), 1);
fileStream1.Seek(-1L, SeekOrigin.Current);
buffer2[0] = (byte)0;
fileStream1.Write(buffer2, 0, 1);
}
fileStream1.Seek((long)num5, SeekOrigin.Begin);
fileStream1.Write(BitConverter.GetBytes(this._getCRC(numArray2, pDestSize)), 0, 4);
++num2;
if (this.FileProcessing != null)
{
eventData.CurrentFile = index1;
eventData.Filename = files[index1].FullName.Substring(startIndex);
eventData.Message = string.Format("(O:{0} KB - C:{1} KB)", (object)Decimal.Round((Decimal)length / 1024M, 2).ToString("f2"), (object)Decimal.Round((Decimal)pDestSize / 1024M, 2).ToString("f0"));
this.FileProcessing((object)eventData, EventArgs.Empty);
break;
}
break;
default:
throw new Exception("Can't compress. Aborting processing.");
}
}
else
{
eventData.CurrentFile = -1;
eventData.Filename = str;
eventData.Message = string.Format("File {0} not found in original archive, ignored.", (object)str);
this.FileProcessing((object)eventData, EventArgs.Empty);
}
}
else
{
eventData.CurrentFile = -1;
eventData.Filename = str;
eventData.Message = string.Format("File {0} is older than archive, ignored.", (object)str);
this.FileProcessing((object)eventData, EventArgs.Empty);
}
++index1;
}
else
{
break;
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
fileStream1.Close();
try
{
File.Delete(this._files.OriginalArchive);
File.Move(this._files.OriginalArchive + ".tmp", this._files.OriginalArchive);
}
catch (Exception ex)
{
Console.WriteLine("Can't rename working archive.");
}
}
this.Result = string.Format("{0} file(s) injected", (object)num2);
if (this.RebuildEnded == null)
{
return;
}
this.RebuildEnded((object)null, EventArgs.Empty);
}
