public IEnumerable <PCKFileEntry> ReadFileV3(PCKStream stream)
{
stream.Seek(-8, SeekOrigin.End);
int FilesCount = stream.ReadInt32();
form.UpdateProgressBar(form.Controls["progBar"], "max", FilesCount);
stream.Seek(-280, SeekOrigin.End);
long FileTableOffset = stream.ReadInt64() ^ stream.key.KEY_1;
stream.Seek(FileTableOffset, SeekOrigin.Begin);
BinaryReader TableStream = new BinaryReader(new MemoryStream(stream.ReadBytes((int)(stream.GetLenght() - FileTableOffset - 288))));
for (int i = 0; i < FilesCount; ++i)
{
int EntrySize = TableStream.ReadInt32() ^ stream.key.KEY_1;
TableStream.ReadInt32();
yield return(new PCKFileEntry(TableStream.ReadBytes(EntrySize), version));
}
}
public void _Compress(string dir)
{
string pck = dir.Replace(".files", "");
if (File.Exists(pck))
{
File.Delete(pck);
}
if (File.Exists(pck.Replace(".pck", ".pkx")))
{
File.Delete(pck.Replace(".pck", ".pkx"));
}
form.UpdateProgress(form.Controls["lblProgress"], "Listing the files");
string[] files = Directory.GetFiles(dir, "*", SearchOption.AllDirectories);
PCKStream stream = new PCKStream(pck);
stream.WriteInt32(stream.key.FSIG_1);
stream.WriteInt32(0);
stream.WriteInt32(stream.key.FSIG_2);
form.UpdateProgressBar(form.Controls["progBar"], "max", files.Length);
MemoryStream FileTable = new MemoryStream();
events = new CountdownEvent(files.Length);
ManualResetEvent[] mres = new ManualResetEvent[files.Length];
for (int i = 0; i < files.Length; i++)
{
mres[i] = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(x => {
int pos = (int)x;
string file = files[pos].Replace(dir, "").Replace("/", "\\").Remove(0, 1);
byte[] decompressed = File.ReadAllBytes(Path.Combine(dir, files[pos]));
byte[] compressed = PCKZlib.Compress(decompressed, compressionLevel);
var entry = new PCKFileEntry()
{
Path = file,
Offset = (uint)stream.Position,
Size = decompressed.Length,
CompressedSize = compressed.Length
};
byte[] buffer = entry.Write(compressionLevel);
lock (FileTable)
{
FileTable.Write(BitConverter.GetBytes(buffer.Length ^ stream.key.KEY_1), 0, 4);
FileTable.Write(BitConverter.GetBytes(buffer.Length ^ stream.key.KEY_2), 0, 4);
FileTable.Write(buffer, 0, buffer.Length);
}
if (pos > 0)
{
mres[pos - 1].WaitOne();
}
stream.WriteBytes(compressed);
form.UpdateProgressBar(form.Controls["progBar"], "value", pos);
form.UpdateProgress(form.Controls["lblProgress"], "Compressing " +
((ProgressBar)form.Controls["progBar"]).Value + "/" +
((ProgressBar)form.Controls["progBar"]).Maximum + " : " + file);
mres[pos].Set();
events.Signal();
}, i);
}
form.UpdateProgress(form.Controls["lblProgress"], "Waiting Threads to Finish");
events.Wait();
long FileTableOffset = stream.Position;
stream.WriteBytes(FileTable.ToArray());
stream.WriteInt32(stream.key.ASIG_1); //4
stream.WriteInt16(2); //2
stream.WriteInt16(2); //2
stream.WriteUInt32((uint)(FileTableOffset ^ stream.key.KEY_1)); //4
stream.WriteInt32(0); //4
stream.WriteBytes(Encoding.Default.GetBytes("Angelica File Package, Perfect World.")); //37
byte[] nuller = new byte[215];
stream.WriteBytes(nuller); //215 - 268
stream.WriteInt32(stream.key.ASIG_2); //4
stream.WriteInt32(files.Length); //4
stream.WriteInt16(2); //2
stream.WriteInt16(2); //2
stream.Seek(4, SeekOrigin.Begin);
stream.WriteUInt32((uint)stream.GetLenght());
stream.Dispose();
form.UpdateProgressBar(form.Controls["progBar"], "value", 0);
form.UpdateProgress(form.Controls["lblProgress"], "Ready");
}
