public void ExtractWithPredicate(string directory, Func <PakEntry, bool> function)
{
using (var fileStream = File.Open(LoadedFilePath, FileMode.Open))
{
var reader = new PakBinaryReader(fileStream);
var pakEntryCollection = Model.Archive.Directory.Entries.Where(function).ToList();
long currentSize = 0;
long totalSize = pakEntryCollection.Sum(_ => _.UncompressedSize);
foreach (var pakEntry in pakEntryCollection)
{
if (pakEntry.Offset == -1)
{
continue;
}
if (reader.BaseStream.Position != pakEntry.Offset)
{
reader.BaseStream.Seek(pakEntry.Offset, SeekOrigin.Begin);
}
Model.ExtractFile(directory, pakEntry, reader);
CurrentProgress = (int)(currentSize * 100.0 / totalSize);
CurrentFile = pakEntry.Name;
currentSize += pakEntry.UncompressedSize;
}
}
}
public void SavePakFile(string path)
{
using (var inputFileStream = File.Open(LoadedFilePath, FileMode.Open))
{
using (var reader = new PakBinaryReader(inputFileStream))
{
using (var outputFileStream = File.Open(path, FileMode.Create))
{
using (var writer = new PakBinaryWriter(outputFileStream))
{
long currentSize = 0;
long totalSize = Model.Archive.Directory.Entries.Sum(_ => _.UncompressedSize);
for (var i = 0; i < Model.Archive.Directory.Entries.Count; i++)
{
var entry = Model.Archive.Directory.Entries[i];
Model.SaveDataEntry(reader, writer, entry, Padding && i + 1 != Model.Archive.Directory.Entries.Count);
CurrentProgress = (int)(currentSize * 100.0 / totalSize);
CurrentFile = entry.Name;
currentSize += entry.UncompressedSize;
}
Model.SavePakFileStructure(writer);
}
}
}
}
OnPropertyChanged("Model");
}
public void LoadPakFile()
{
using (FileStream fileStream = File.Open(LoadedFilePath, FileMode.Open))
{
PakBinaryReader reader = new PakBinaryReader(fileStream);
Model.LoadPakFileStructure(reader, Version, AesKey);
OnPropertyChanged("Model");
}
}