public void Load(string url, Action <int> AddBytes)
{
int from = Files[0].offset;
int to = Files[Files.Count - 1].offset + Files[Files.Count - 1].CompressedSize;
int length = to - from;
using (var response = Download.GetResponse(url, from, to))
{
Stream stream;
if (response != null && (stream = response.GetResponseStream()) != null)
{
byte[] buf = new byte[BufferSize];
int pos = from;
for (int i = 0; i < Files.Count; i++)
{
PackFile file = Files[i];
using (FileStream fs = file.Info.Create())
using (MemoryStream ms = new MemoryStream(BufferSize))
using (DeflateStream ds = new DeflateStream(ms, CompressionMode.Decompress))
{
int left;
while ((left = file.offset + file.CompressedSize - pos) > 0)
{
int read = stream.Read(buf, 0, left > BufferSize ? BufferSize : left);
AddBytes(read);
pos += read;
ms.Position = 0;
ms.SetLength(0);
ms.Write(buf, 0, read);
ms.Position = 0;
ds.CopyTo(fs);
}
}
if (i + 1 < Files.Count && Files[i + 1].offset > pos)
{
// read up to next file
int left;
while ((left = Files[i + 1].offset - pos) > 0)
{
int read = stream.Read(buf, 0, left > BufferSize ? BufferSize : left);
pos += read;
}
}
}
}
}
}
public static PackObject ReadNew(PacketStream stream, string path)
{
int type = stream.ReadByte();
string name = Path.Combine(path, stream.ReadStringShort());
bool isLast = (type & 2) > 0;
if ((type & ~2) == (int)PackObjectType.File)
{
PackFile file = new PackFile(new FileInfo(name));
file.ReadHeader(stream);
file.IsLast = isLast;
return(file);
}
else
{
PackDir dir = new PackDir(new DirectoryInfo(name));
dir.IsLast = isLast;
return(dir);
}
}
static int SortOffsets(PackFile p1, PackFile p2)
{
return(p1.offset.CompareTo(p2.offset));
}