public RpkgEntry ReadEntry()
{
RpkgEntry entry = new RpkgEntry();
entry.Hash = ReadUInt64();
entry.Offset = ReadUInt64();
entry.CompressedSizeWithFlags = ReadUInt32();
return(entry);
}
private void ImportNewFile(RpkgBinaryWriter writer, RpkgEntry rpkgEntry)
{
var rawData = rpkgEntry.ImportRawData ?? File.ReadAllBytes(rpkgEntry.Import);
if (rpkgEntry.IsCompressed)
{
rpkgEntry.CompressedSize = writer.WriteCompressedBytes(rawData);
}
else
{
writer.Write(rawData);
}
}
public void ExtractFile(string directory, RpkgEntry rpkgEntry, RpkgBinaryReader reader)
{
if (reader.BaseStream.Position != (long)rpkgEntry.Offset)
{
reader.BaseStream.Seek((long)rpkgEntry.Offset, SeekOrigin.Begin);
}
string compoundName;
if (rpkgEntry.Name == null)
{
compoundName = directory + @"\" + rpkgEntry.Info.Signature + @"\" + rpkgEntry.Hash.ToString("X") + ".dat";
}
else
{
compoundName = directory + @"\" + rpkgEntry.Info.Signature + @"\" + rpkgEntry.Name;
compoundName = compoundName.Substring(0, compoundName.Length > 235 ? 235 : compoundName.Length);
}
Directory.CreateDirectory(Path.GetDirectoryName(compoundName));
if (File.Exists(compoundName))
{
compoundName += @"_" + Path.GetFileNameWithoutExtension(((FileStream)reader.BaseStream).Name);
}
try
{
using (FileStream fileStream = File.Open(compoundName, FileMode.Create))
{
using (BinaryWriter writer = new BinaryWriter(fileStream))
{
if (rpkgEntry.IsCompressed)
{
writer.Write(reader.ReadCompressedBytes(rpkgEntry.CompressedSize, rpkgEntry.Info.DecompressedDataSize));
}
else
{
writer.Write(reader.ReadBytes((int)rpkgEntry.Info.DecompressedDataSize));
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public void SaveDataEntry(RpkgBinaryReader reader, RpkgBinaryWriter writer, RpkgEntry rpkgEntry)
{
long originalOffset = (long)rpkgEntry.Offset;
rpkgEntry.Offset = (ulong)writer.BaseStream.Position;
if (rpkgEntry.Import != null)
{
ImportNewFile(writer, rpkgEntry);
}
else
{
if (reader.BaseStream.Position != originalOffset)
{
reader.BaseStream.Seek(originalOffset, SeekOrigin.Begin);
}
int size = rpkgEntry.IsCompressed ? (int)rpkgEntry.CompressedSize : (int)rpkgEntry.Info.DecompressedDataSize;
writer.Write(reader.ReadBytes(size));
}
}
public void Write(RpkgEntry entry)
{
Write(entry.Hash);
Write(entry.Offset);
Write(entry.CompressedSizeWithFlags);
}
public void AppendDataEntry(RpkgBinaryWriter writer, RpkgEntry rpkgEntry)
{
writer.BaseStream.Seek(0, SeekOrigin.End);
rpkgEntry.Offset = (ulong)writer.BaseStream.Position;
ImportNewFile(writer, rpkgEntry);
}