void process(string path)
{
try
{
stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
BinaryReader reader = new BinaryReader(stream);
header.FileCount = reader.ReadInt32();
header.Version = reader.ReadInt32();
header.Type = (PackageType)reader.ReadInt32();
for (int i = 0; i < header.FileCount; i++)
{
PakFileInfo info = new PakFileInfo();
info.Position = reader.ReadInt32();
info.Length = reader.ReadInt32();
info.Name = reader.ReadString().ToLower();
if (info.Name.StartsWith(subPath))
{
info.Name = info.Name.Substring(subPath.Length);
dicFiles.Add(info.Name, info);
}
}
basePos = (int)stream.Position;
}
catch
{
return;
}
}
public File GetFile(FilePath filePath, FileOpenMode mode)
{
if (mode != FileOpenMode.Read)
{
throw new InvalidOperationException();
}
// lock to only one thread at a time
lock (this)
{
if (!dicFiles.ContainsKey(filePath.PathWithoutPackage))
{
return(null);
}
PakFileInfo info = dicFiles[filePath.PathWithoutPackage];
MemoryStream fileInMemory = new MemoryStream();
stream.Seek(info.Position + basePos, SeekOrigin.Begin);
int remaining = info.Length;
byte[] buf = new byte[1024 * 4];
while (remaining > 0)
{
int copy = System.Math.Min(buf.Length, remaining);
remaining -= copy;
stream.Read(buf, 0, copy);
fileInMemory.Write(buf, 0, copy);
}
fileInMemory.Seek(0, SeekOrigin.Begin);
return(new File(fileInMemory, info.Name));
}
}
static public void ConvertFolderToPak(string path, ConvertFeedback feedback)
{
if (feedback != null)
{
feedback(0);
}
IPackage package = new PackageFolder("test", path, "");
string outputPath = path + ".pak";
System.IO.FileStream stream = new System.IO.FileStream(outputPath, System.IO.FileMode.Create);
stream.SetLength(0);
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(stream);
// calculate positions
int position = 0;
List <PakFileInfo> infos = new List <PakFileInfo>();
foreach (string fileName in package.Files)
{
// exclude pdb files and files starting with .
if (fileName.StartsWith(".") || fileName.EndsWith(".pdb", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
File file = package.GetFile(fileName, FileOpenMode.Read);
PakFileInfo info = new PakFileInfo();
info.Name = fileName;
info.Position = position;
info.Length = (int)file.Stream.Length;
position += info.Length;
file.Close();
infos.Add(info);
}
PakHeader header = new PakHeader();
header.FileCount = infos.Count;
header.Version = 00010; //0.00.10
header.Type = PackageType.Main;
// write header
writer.Write(header.FileCount);
writer.Write(header.Version);
writer.Write((int)header.Type);
foreach (PakFileInfo info in infos)
{
writer.Write(info.Position);
writer.Write(info.Length);
writer.Write(info.Name);
}
int written = 0;
// write files
foreach (PakFileInfo info in infos)
{
File file = package.GetFile(info.Name, FileOpenMode.Read);
int remaining = (int)file.Stream.Length;
byte[] buf = new byte[1024 * 1024 * 4];
while (remaining > 0)
{
int copy = System.Math.Min(buf.Length, remaining);
file.Stream.Read(buf, 0, copy);
stream.Write(buf, 0, copy);
remaining -= copy;
}
written += (int)file.Stream.Length;
file.Close();
if (feedback != null)
{
feedback(written / (float)position);
}
}
// finish
writer.Flush();
writer.Close();
stream.Close();
}