/// <param name="filePath">Path to Content.ggpk</param>
public GGPK(string filePath)
{
// Open File
FileStream = File.Open(filePath, FileMode.Open, FileAccess.ReadWrite, FileShare.Read);
// Read ROOT Directory Record
BaseRecord ggpk;
while ((ggpk = ReadRecord()) is not GGPKRecord)
{
;
}
GgpkRecord = (GGPKRecord)ggpk;
Root = (DirectoryRecord)ReadRecord(GgpkRecord.RootDirectoryOffset);
Root.Name = "ROOT";
// Build Linked FreeRecord List
FreeRecords = new();
var NextFreeOffset = GgpkRecord.FirstFreeRecordOffset;
while (NextFreeOffset > 0)
{
var current = (FreeRecord)ReadRecord(NextFreeOffset);
FreeRecords.AddLast(current);
NextFreeOffset = current.NextFreeOffset;
}
}
/// <summary>
/// Load GGPK
/// </summary>
/// <param name="path">Path to GGPK file</param>
public GGPKContainer(string path, bool BundleMode = false)
{
// Open File
fileStream = File.Open(path, FileMode.Open, FileAccess.ReadWrite, FileShare.Read);
Reader = new BinaryReader(fileStream);
Writer = new BinaryWriter(fileStream);
// Read ROOT Directory Record
BaseRecord ggpk;
while (!((ggpk = GetRecord()) is GGPKRecord))
{
;
}
ggpkRecord = ggpk as GGPKRecord;
rootDirectory = GetRecord(ggpkRecord.RootDirectoryOffset) as DirectoryRecord;
rootDirectory.Name = "ROOT";
// Build Linked FreeRecord List
long NextFreeOffset = ggpkRecord.FirstFreeRecordOffset;
while (NextFreeOffset > 0)
{
FreeRecord current = GetRecord(NextFreeOffset) as FreeRecord;
LinkedFreeRecords.AddLast(current);
NextFreeOffset = current.NextFreeOffset;
}
if (BundleMode)
{
return;
}
// Read Bundles
var Bundles2DirectoryNameHash = MurmurHash2Unsafe.Hash("bundles2", 0);
OriginalBundles2 = rootDirectory.Children.First(d => d.GetNameHash() == Bundles2DirectoryNameHash) as DirectoryRecord;
if (OriginalBundles2.Children.FirstOrDefault(r => r.Name == "_.index.bin") is FileRecord _index)
{
IndexRecord = _index;
fileStream.Seek(_index.DataBegin, SeekOrigin.Begin);
Index = new IndexContainer(Reader);
FakeBundles2 = new BundleDirectoryNode("Bundles2", "", MurmurHash2Unsafe.Hash("bundles2", 0), (int)OriginalBundles2.Offset, OriginalBundles2.Length, this);
rootDirectory.Children.Remove(OriginalBundles2);
rootDirectory.Children.Add(FakeBundles2);
foreach (var f in Index.Files)
{
BuildBundleTree(f, FakeBundles2);
}
}
foreach (var br in Index.Bundles)
{
RecordOfBundle[br] = (FileRecord)FindRecord(br.Name, OriginalBundles2);
}
}
/// <summary>
/// Load GGPK
/// </summary>
/// <param name="path">Path to GGPK file</param>
public GGPKContainer(string path, bool BundleMode = false, bool SteamMode = false, bool BuildTree = true)
{
// Steam Mode (No GGPK)
if (SteamMode)
{
if (BundleMode)
{
throw new NotSupportedException("BundleMode and SteamMode cannot be both true");
}
Environment.CurrentDirectory = Directory.GetParent(path).FullName;
Index = new IndexContainer(path);
if (BuildTree)
{
rootDirectory = FakeBundles2 = new BundleDirectoryNode("Bundles2", "", MurmurHash2Unsafe.Hash("bundles2", 0), 0, 0, this);
foreach (var f in Index.Files)
{
BuildBundleTree(f, rootDirectory);
}
}
return;
}
// Open File
fileStream = File.Open(path, FileMode.Open, FileAccess.ReadWrite, FileShare.Read);
Reader = new BinaryReader(fileStream);
Writer = new BinaryWriter(fileStream);
// Read ROOT Directory Record
BaseRecord ggpk;
while ((ggpk = GetRecord()) is not GGPKRecord)
{
;
}
ggpkRecord = ggpk as GGPKRecord;
rootDirectory = GetRecord(ggpkRecord.RootDirectoryOffset) as DirectoryRecord;
rootDirectory.Name = "ROOT";
// Build Linked FreeRecord List
LinkedFreeRecords = new LinkedList <FreeRecord>();
var NextFreeOffset = ggpkRecord.FirstFreeRecordOffset;
while (NextFreeOffset > 0)
{
FreeRecord current = GetRecord(NextFreeOffset) as FreeRecord;
LinkedFreeRecords.AddLast(current);
NextFreeOffset = current.NextFreeOffset;
}
// Read Bundles
OriginalBundles2 = rootDirectory.Children.FirstOrDefault(d => d.GetNameHash() == MurmurHash2Unsafe.Hash("bundles2", 0)) as DirectoryRecord;
if (OriginalBundles2?.Children.FirstOrDefault(r => r.Name == "_.index.bin") is FileRecord _index)
{
IndexRecord = _index;
if (BundleMode)
{
return;
}
fileStream.Seek(_index.DataBegin, SeekOrigin.Begin);
Index = new IndexContainer(Reader);
if (BuildTree)
{
FakeBundles2 = new BundleDirectoryNode("Bundles2", "", MurmurHash2Unsafe.Hash("bundles2", 0), (int)OriginalBundles2.Offset, OriginalBundles2.Length, this);
rootDirectory.Children.Remove(OriginalBundles2);
rootDirectory.Children.Add(FakeBundles2);
foreach (var f in Index.Files)
{
BuildBundleTree(f, FakeBundles2);
}
}
_RecordOfBundle = new Dictionary <LibBundle.Records.BundleRecord, FileRecord>(Index.Bundles.Length);
} // else BundleMode = true;
}