fileTableEntry readTableEntry(byte[] data, int size, bool compressed)
{
fileTableEntry fte = new fileTableEntry();
MemoryStream ms = new MemoryStream(data,0,data.Length);
byte[] filePath = new byte[260];
if(compressed)
{
Stream s2 = new ICSharpCode.SharpZipLib.Zip.Compression.Streams.InflaterInputStream(ms);
byte[] dataDec = new byte[276];
s2.Read(dataDec,0,276);
ms = new MemoryStream(dataDec,0,dataDec.Length);
//ms = mms;
/*
wxByte* pBuffer = buffer;
buffer = deflate(buffer, size, 276);
wxDELETEA(pBuffer);
*/
}
ms.Read(filePath, 0, 260);
byte[] fileDataOffset = new byte[4];
byte[] fileDataDecompressedSize = new byte[4];
byte[] fileDataCompressedSize = new byte[4];
ms.Read(fileDataOffset, 0, 4);
ms.Read(fileDataDecompressedSize, 0, 4);
ms.Read(fileDataCompressedSize, 0, 4);
//wxMemoryInputStream mis(buffer, 276);
//wxDataInputStream bis(mis);
//ms.Read(fte.filePath, 260);
//fte.filePath = BitConverter.ToString(filePath, 0, 260);
int length = 0;
for (int i = 0; i < 260; i++) {
if ( filePath[i] == (byte)0 ){
length = i;
break;
}
}
byte[] filePathOk = new byte[length];
Array.Copy(filePath, filePathOk, length);
//fte.filePath = Encoding.UTF8.GetString(filePathOk);
fte.filePath = Encoding.GetEncoding(936).GetString(filePathOk);
fte.fileDataOffset = BitConverter.ToInt32(fileDataOffset, 0);
fte.fileDataDecompressedSize = BitConverter.ToInt32(fileDataDecompressedSize, 0);
fte.fileDataCompressedSize = BitConverter.ToInt32(fileDataCompressedSize, 0);
//if ( fte.fileDataDecompressedSize < fte.fileDataCompressedSize)
//textBox1.Text += "\r\n__"+fte.fileDataDecompressedSize.ToString()+" -- "+fte.filePath+" -- ";
return fte;
}
void PatchPck(string pckFilename, string filename, byte[] data)
{
FileStream fs = new FileStream(FwInstallPath+pckFilename, FileMode.OpenOrCreate, FileAccess.ReadWrite);
BinaryWriter bw = new BinaryWriter(fs);
BinaryReader br = new BinaryReader(fs);
fs.Seek(-8,SeekOrigin.End);
int entryCount = br.ReadInt32();
fs.Seek(-272,SeekOrigin.End);
int fileTableOffset = br.ReadInt32() ^ KEY_1;
fs.Seek(fileTableOffset,SeekOrigin.Begin);
int entrySize;
fileTableEntry[] fileTable = new fileTableEntry[entryCount];
bool[] toEdit = new bool[entryCount];
int t = 0;
int editedFiles = 0;
for (int i = 0; i < entryCount; i++) {
entrySize = br.ReadInt32() ^ KEY_1;
entrySize = br.ReadInt32() ^ KEY_2;
byte[] hdata = br.ReadBytes(entrySize);
//
if(entrySize < 276)
{
fileTable[i] = readTableEntry(hdata, entrySize, true);
t++;
}
// no zlib
else
{
fileTable[i] = readTableEntry(hdata, entrySize, false);
}
}
textBox1.Text += entryCount.ToString()+"\r\n";
fs.Seek(fileTableOffset,SeekOrigin.Begin); // useless ??
int lastEntryPosition = fileTableOffset;
//int filesCount = (int)files.Length;
for (int i = 0; i < entryCount; i++) {
if ( fileTable[i].filePath != filename ) continue;
nb++;
int newFileDataDecompressedSize = (int)data.Length;
MemoryStream ms = new MemoryStream();
ICSharpCode.SharpZipLib.Zip.Compression.Deflater defl = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater(1,false);
Stream s = new ICSharpCode.SharpZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms,defl);
s.Write(data, 0, data.Length);
s.Close();
byte[] dataComp = (byte[])ms.ToArray();
ms.Close();
int newFileDataCompressedSize = (int)dataComp.Length;
// test de remplacer un gros png par un truc tout petit incompresible
if ( newFileDataCompressedSize <= fileTable[i].fileDataCompressedSize ){
fs.Seek(fileTable[i].fileDataOffset,SeekOrigin.Begin);
bw.Write(dataComp);
textBox1.Text += fileTable[i].filePath+" Replaced\r\n";
}
else {
fileTable[i].fileDataOffset = lastEntryPosition;
fs.Seek(fileTable[i].fileDataOffset,SeekOrigin.Begin);
bw.Write(dataComp);
lastEntryPosition = (int)fs.Position;
textBox1.Text += fileTable[i].filePath+" Moved to end\r\n";
}
fileTable[i].fileDataCompressedSize = newFileDataCompressedSize;
fileTable[i].fileDataDecompressedSize = newFileDataDecompressedSize;
//ShowProgress(entryCount, i+1);
}
fs.Seek(lastEntryPosition,SeekOrigin.Begin);
fileTableOffset = (int)fs.Position;
for (int i = 0; i < entryCount; i++) {
data = new byte[276];
byte[] name = System.Text.Encoding.GetEncoding(936).GetBytes(fileTable[i].filePath);
Array.Copy(name, data, name.Length);
BitConverter.GetBytes(Convert.ToInt32(fileTable[i].fileDataOffset)).CopyTo(data, 260);
BitConverter.GetBytes(Convert.ToInt32(fileTable[i].fileDataDecompressedSize)).CopyTo(data, 264);
BitConverter.GetBytes(Convert.ToInt32(fileTable[i].fileDataCompressedSize)).CopyTo(data, 268);
MemoryStream ms = new MemoryStream();
ICSharpCode.SharpZipLib.Zip.Compression.Deflater defl = new ICSharpCode.SharpZipLib.Zip.Compression.Deflater(1,false);
Stream s = new ICSharpCode.SharpZipLib.Zip.Compression.Streams.DeflaterOutputStream(ms,defl);
s.Write(data, 0, data.Length);
s.Close();
byte[] dataComp = (byte[])ms.ToArray();
entrySize = (int)dataComp.Length;
bw.Write(entrySize ^ KEY_1);
bw.Write(entrySize ^ KEY_2);
bw.Write(dataComp);
//ShowProgress(entryCount, i+1);
}
bw.Write((int)-1526153788);
bw.Write((short)2);
bw.Write((short)2);
bw.Write(fileTableOffset ^ KEY_1);
bw.Write((int)0);
bw.Write(System.Text.Encoding.GetEncoding(936).GetBytes("Angelica File Package, Perfect World."));
for (int i = 0; i < 215; i++) {
bw.Write((byte)0);
}
bw.Write((int)-2060097592);
bw.Write((int)entryCount);
bw.Write((short)2);
bw.Write((short)2);
fs.SetLength(fs.Position);
int fileSize = (int)fs.Position;
fs.Seek(4, SeekOrigin.Begin);
bw.Write(fileSize);
br.Close();
bw.Close();
fs.Close();
//textBox1.Text += editedFiles.ToString()+" File(s) patched";
//label4.Text = filesCount.ToString()+" file(s) patched";
}
