public override void Load(ExtendedBinaryReader reader, bool keepOpen = false)
{
// Store the current reader
_internalReader = reader;
// Filename Section
// This section contains an array of addresses to each of the file's name and the strings
// itself right after, this section is only used for finding file indices from within game
// This is a workaround for reading different versions of PCK files as some files seem to
// have smaller padding (0x08 for Signatures, 0x04 for Padding)
// while DAL: RR has larger padding (0x14 for Signatures, 0x08 for Padding)
// This workaround works by checking the padding in the signature to determine the version
int sigSize = reader.CheckDALSignature("Filename");
bool oldPCK = false;
if (sigSize < 0x14)
{
oldPCK = true;
}
// The length of the Filename section
int fileNameSectionSize = reader.ReadInt32();
// Address to the list of filenames
int fileNameSectionAddress = (int)reader.BaseStream.Position;
// Jump to the Pack section
reader.JumpTo(fileNameSectionSize);
// Makes sure the reader is aligned
reader.FixPadding(oldPCK ? 0x04u : 0x08u);
// Pack Section
// This section contains an array of file information and then all of it's data
// Check Signature
string packSig = reader.ReadDALSignature("Pack");
if (packSig != "Pack" && packSig.Length <= 4)
{
throw new SignatureMismatchException("Pack", packSig);
}
// The length of the Pack section
int packSectionSize = reader.ReadInt32();
int fileCount = reader.ReadInt32();
// Read file entries
for (int i = 0; i < fileCount; ++i)
{
FileEntries.Add(new FileEntry());
FileEntries[i].DataPosition = reader.ReadInt32();
FileEntries[i].DataLength = reader.ReadInt32();
}
// Jump back to the Filename section so we can get all of the file names
reader.JumpTo(fileNameSectionAddress);
// Reads all the file names
for (int i = 0; i < fileCount; ++i)
{
int position = reader.ReadInt32() + (oldPCK ? 0xC : 0x18);
FileEntries[i].FileName = reader.ReadStringElsewhere(position);
}
// Load all data into memory if the loader plans to close the stream
if (!keepOpen)
{
Preload();
}
}