public static BarEntry Load(BinaryReader binaryReader, uint version, string rootPath)
{
BarEntry barEntry = new BarEntry();
if (version > 3)
{
barEntry.Offset = binaryReader.ReadInt64();
}
else
{
barEntry.Offset = binaryReader.ReadInt32();
}
barEntry.FileSize = binaryReader.ReadInt32();
barEntry.FileSize2 = binaryReader.ReadInt32();
if (version == 5)
{
barEntry.FileSize3 = binaryReader.ReadInt32();
}
barEntry.LastWriteTime = new BarEntryLastWriteTime(binaryReader);
var length = binaryReader.ReadUInt32();
barEntry.FileName = Encoding.Unicode.GetString(binaryReader.ReadBytes((int)length * 2));
barEntry.FileNameWithRoot = Path.Combine(rootPath, barEntry.FileName);
if (version > 3)
{
barEntry.isCompressed = Convert.ToBoolean(binaryReader.ReadUInt32());
}
// MessageBox.Show(barEntry.FileName);
return(barEntry);
}
public async static Task <BarFile> Load(string filename, bool doCRC32)
{
BarFile barFile = new BarFile();
if (!File.Exists(filename))
{
throw new Exception("BAR file does not exist!");
}
using var file = File.OpenRead(filename);
var reader = new BinaryReader(file);
barFile.barFileHeader = new BarFileHeader(reader);
file.Seek(barFile.barFileHeader.FilesTableOffset, SeekOrigin.Begin);
var rootNameLength = reader.ReadUInt32();
barFile.RootPath = Encoding.Unicode.GetString(reader.ReadBytes((int)rootNameLength * 2));
barFile.NumberOfRootFiles = reader.ReadUInt32();
var barFileEntrys = new List <BarEntry>();
for (uint i = 0; i < barFile.NumberOfRootFiles; i++)
{
barFileEntrys.Add(BarEntry.Load(reader, barFile.barFileHeader.Version, barFile.RootPath));
}
// TODO: Look for new date fields in BAR version 6
if (doCRC32)
{
foreach (var barEntry in barFileEntrys)
{
reader.BaseStream.Seek(barEntry.Offset, SeekOrigin.Begin);
byte[] data = reader.ReadBytes(barEntry.FileSize2);
await Task.Run(() =>
{
barEntry.CRC32 = Crc32Algorithm.Compute(data);
}
);
}
}
barFile.BarFileEntrys = new ReadOnlyCollection <BarEntry>(barFileEntrys);
return(barFile);
}
public static async Task <BarEntry> Create(string rootPath, FileInfo fileInfo, long offset, uint version)
{
BarEntry barEntry = new BarEntry();
barEntry.FileNameWithRoot = Path.GetFileName(rootPath);
rootPath = rootPath.EndsWith(Path.DirectorySeparatorChar.ToString())
? rootPath
: rootPath + Path.DirectorySeparatorChar;
barEntry.FileName = fileInfo.FullName.Replace(rootPath, string.Empty);
barEntry.FileNameWithRoot = Path.Combine(barEntry.FileNameWithRoot, barEntry.FileName);
barEntry.Offset = offset;
if (version > 3)
{
barEntry.FileSize2 = (int)fileInfo.Length;
barEntry.isCompressed = Alz4Utils.IsAlz4File(fileInfo.FullName);
if (barEntry.isCompressed)
{
barEntry.FileSize = (await Alz4Utils.ReadCompressedSizeAlz4Async(fileInfo.FullName));
}
else
{
barEntry.FileSize = barEntry.FileSize2;
}
barEntry.FileSize3 = barEntry.FileSize2;
}
else
{
barEntry.FileSize = (int)fileInfo.Length;
barEntry.FileSize2 = barEntry.FileSize;
}
barEntry.LastWriteTime = new BarEntryLastWriteTime(fileInfo.LastWriteTimeUtc);
return(barEntry);
}