private HdrHeader ReadHeader(IBuffer buffer)
{
HdrHeader header = new HdrHeader();
string first = buffer.ReadCString();
if (first == Hdr)
{
header.Format = first;
header.Created = null;
}
else if (DateTime.TryParseExact(first, DateFormat, CultureInfo.InvariantCulture, DateTimeStyles.None,
out var created))
{
header.Created = created;
header.Format = buffer.ReadCString();
}
else
{
throw new Exception("Can not read header, this is not a hdr file or the file is broken.");
}
header.Unknown0 = buffer.ReadInt32();
header.ContentOffset = buffer.ReadInt32();
header.FolderCount = buffer.ReadInt32();
header.IndexOffset = buffer.ReadInt32();
return(header);
}
public void Pack(string source, string destination)
{
if (!Path.HasExtension(destination))
{
throw new Exception(String.Format("Destination '{0}' has no .ext, please use '.tro' or '.dat'",
destination));
}
string ext = Path.GetExtension(destination).ToLower();
HdrHeader header;
if (ext == ".tro")
{
header = HdrHeader.ForTro();
}
else if (ext == ".dat")
{
header = HdrHeader.ForDat();
}
else
{
throw new Exception(
String.Format("Destination has invalid extension of '{0}', please use '.tro' or '.dat'", ext));
}
List <HdrFile> hdrFiles = ReadDirectory(source);
HdrArchive archive = new HdrArchive(hdrFiles, header);
Write(archive, destination);
}
public HdrArchive Read(string sourcePath)
{
byte[] hdrFile = ReadFile(sourcePath);
IBuffer buffer = BufferProvider.Provide(hdrFile);
HdrHeader header = ReadHeader(buffer);
List <HdrFile> files = new List <HdrFile>();
int folderIndexStart = header.IndexOffset;
int totalFiles = 0;
int currentFile = 0;
for (int i = 0; i < header.FolderCount; i++)
{
buffer.Position = folderIndexStart + i * IndexBlockSize;
HdrIndex folderIndex = ReadIndex(buffer);
buffer.Position = folderIndex.Offset;
for (int j = 0; j < folderIndex.Length; j++)
{
HdrIndex fileIndex = ReadIndex(buffer);
int offset = fileIndex.Offset;
int lenght = fileIndex.Length;
string ext;
if (Path.HasExtension(fileIndex.Name))
{
ext = Path.GetExtension(fileIndex.Name);
switch (ext)
{
case ".pts":
// PTS-Files are PNG files with the first 4byte beeing lengt of the data.
// We already know the length from the index.
// offset += 4;
// lenght -= 4;
break;
}
}
else
{
ext = "";
}
HdrFile file = new HdrFile();
file.FileExtension = ext;
file.FileName = fileIndex.Name;
file.HdrDirectoryPath = folderIndex.Name;
file.HdrFullPath = folderIndex.Name + fileIndex.Name;
file.Data = buffer.GetBytes(offset, lenght);
file.Offset = offset;
file.Length = lenght;
file.Extension = ext;
files.Add(file);
currentFile++;
}
totalFiles += folderIndex.Length;
OnProgressChanged(totalFiles, currentFile);
}
return(new HdrArchive(files, header));
}
public static HdrHeader ForTro()
{
HdrHeader header = new HdrHeader();
header.Format = HdrFormat.Hdr;
header.Created = null;
header.Unknown0 = 1;
header.IndexOffset = 20;
header.ArchiveType = HdrArchiveType.Tro;
return(header);
}
public static HdrHeader ForDat()
{
HdrHeader header = new HdrHeader();
header.Format = HdrFormat.Hdr;
header.Created = DateTime.Now;
header.Unknown0 = 1;
header.IndexOffset = 40;
header.ArchiveType = HdrArchiveType.Dat;
return(header);
}
private void WriteHeader(IBuffer buffer, HdrHeader header)
{
if (header.Created != null)
{
buffer.WriteCString(string.Format("{0:" + DateFormat + "}", header.Created));
}
buffer.WriteCString(header.Format);
buffer.WriteInt32(header.Unknown0);
buffer.WriteInt32(header.ContentOffset);
buffer.WriteInt32(header.FolderCount);
buffer.WriteInt32(header.IndexOffset);
}
public HdrArchive()
{
Files = new List <HdrFile>();
Header = new HdrHeader();
}
public HdrArchive(List <HdrFile> files, HdrHeader header)
{
Files = files;
Header = header;
}
public void Write(HdrArchive archive, string destinationPath)
{
Dictionary <string, List <HdrFile> > folderDictionary = new Dictionary <string, List <HdrFile> >();
List <string> orderedKeys = new List <string>();
foreach (HdrFile file in archive.Files)
{
if (archive.Header.ArchiveType == HdrArchiveType.Tro)
{
string[] folderNameParts = file.HdrDirectoryPath.Split('\\');
string folderName = "";
for (int i = 0; i < folderNameParts.Length; i++)
{
if (!string.IsNullOrEmpty(folderNameParts[i]))
{
folderName += folderNameParts[i] + '\\';
if (!folderDictionary.ContainsKey(folderName))
{
folderDictionary.Add(folderName, new List <HdrFile>());
orderedKeys.Add(folderName);
}
}
}
}
if (folderDictionary.ContainsKey(file.HdrDirectoryPath))
{
folderDictionary[file.HdrDirectoryPath].Add(file);
}
else
{
folderDictionary.Add(file.HdrDirectoryPath, new List <HdrFile>()
{
file
});
orderedKeys.Add(file.HdrDirectoryPath);
}
}
orderedKeys.Sort((s1, s2) => string.Compare(s1, s2, StringComparison.InvariantCultureIgnoreCase));
IBuffer buffer = BufferProvider.Provide();
int totalFiles = archive.Files.Count;
int currentFile = 0;
int folderIndexStart = archive.Header.IndexOffset;
int fileIndexStart = folderIndexStart + folderDictionary.Count * IndexBlockSize;
int contentStart = fileIndexStart + IndexBlockSize * archive.Files.Count;
int currentFolderIndex = 0;
int currentFileIndex = 0;
int currentContentLength = 0;
foreach (string key in orderedKeys)
{
HdrIndex folderIndex = new HdrIndex();
folderIndex.Name = key;
folderIndex.Length = folderDictionary[key].Count;
folderIndex.Position = folderIndexStart + currentFolderIndex;
if (folderIndex.Length > 0)
{
folderIndex.Offset = fileIndexStart + currentFileIndex;
}
else
{
folderIndex.Offset = 0;
}
WriteIndex(buffer, folderIndex);
foreach (HdrFile file in folderDictionary[key])
{
HdrIndex fileIndex = new HdrIndex();
fileIndex.Name = file.FileName;
fileIndex.Length = file.Data.Length;
fileIndex.Position = fileIndexStart + currentFileIndex;
fileIndex.Offset = contentStart + currentContentLength;
WriteIndex(buffer, fileIndex);
buffer.WriteBytes(file.Data, 0, fileIndex.Offset, fileIndex.Length);
currentFileIndex += IndexBlockSize;
currentContentLength += file.Data.Length;
currentFile++;
}
currentFolderIndex += IndexBlockSize;
OnProgressChanged(totalFiles, currentFile);
}
HdrHeader header = new HdrHeader();
header.ContentOffset = contentStart;
header.Created = archive.Header.Created;
header.FolderCount = folderDictionary.Count;
header.Format = Hdr;
header.Unknown0 = archive.Header.Unknown0;
header.IndexOffset = folderIndexStart;
buffer.Position = 0;
WriteHeader(buffer, header);
WriteFile(buffer.GetAllBytes(), destinationPath);
}