public override void Save(ExtendedBinaryWriter writer)
{
// Loads all files into memory if not already
// This is needed to ensure the reading stream is closed
Preload();
// ZLIB Compression
Stream mainStream = null;
if (Compress)
{
mainStream = writer.StartDeflateEncapsulation();
}
// Filename Section
// Address of the Filename section
long sectionPosition = writer.BaseStream.Position;
writer.WriteDALSignature("Filename", UseSmallSig);
writer.AddOffset("SectionSize");
// Allocates space for all the file name pointers
foreach (var entry in FileEntries)
{
writer.AddOffset(entry.FileName);
}
// Fills in all the file names
foreach (var entry in FileEntries)
{
// Fill in the address and write the file name (including paths)
writer.FillInOffset(entry.FileName, (uint)(writer.BaseStream.Position - (UseSmallSig ? 0xC : 0x18)));
writer.WriteNullTerminatedString(entry.FileName);
}
// Fills in the size of the Filename section
writer.FillInOffset("SectionSize");
// Realigns the writer
writer.FixPadding(UseSmallSig ? 0x04u : 0x08u);
// Pack Section
// Address to the Pack section
sectionPosition = writer.BaseStream.Position;
writer.WriteDALSignature("Pack", UseSmallSig);
writer.AddOffset("SectionSize");
writer.Write(FileEntries.Count);
// Writes file data entries
for (int i = 0; i < FileEntries.Count; ++i)
{
// Allocates 4 bytes for the absolute address of the contents of the file
writer.AddOffset($"DataPtr{i}");
// Writes the length of the file
writer.Write(FileEntries[i].Data.Length);
}
// Fills in the size of the Pack section
writer.FillInOffset("SectionSize", (uint)(writer.BaseStream.Position - (UseSmallSig ? 0xC : 0x18)));
// Realigns the writer
writer.FixPadding(UseSmallSig ? 0x04u : 0x08u);
// Data
for (int i = 0; i < FileEntries.Count; ++i)
{
writer.FillInOffset($"DataPtr{i}");
writer.Write(FileEntries[i].Data);
// Realigns the writer
writer.FixPadding(UseSmallSig ? 0x04u : 0x08u);
}
// Finalise ZLIB Compression
if (Compress)
{
writer.EndDeflateEncapsulation(mainStream);
}
}
