private bool LoadFile(DuplicatableStream headerStream, DuplicatableStream contentStream)
{
DuplicatableStream infile = headerStream.Duplicate();
contentFile = contentStream.Duplicate();
infile.Seek(0x00, SeekOrigin.Begin);
string magic = infile.ReadAscii(4);
if (magic != "FPS4")
{
Console.WriteLine("Not an FPS4 file!");
return(false);
}
Endian = Util.Endianness.BigEndian;
FileCount = infile.ReadUInt32().FromEndian(Endian);
HeaderSize = infile.ReadUInt32().FromEndian(Endian);
// if header seems huge then we probably have assumed the wrong endianness
if (HeaderSize > 0xFFFF)
{
Endian = Util.Endianness.LittleEndian;
FileCount = FileCount.ToEndian(Util.Endianness.BigEndian).FromEndian(Endian);
HeaderSize = HeaderSize.ToEndian(Util.Endianness.BigEndian).FromEndian(Endian);
}
FirstFileStart = infile.ReadUInt32().FromEndian(Endian);
EntrySize = infile.ReadUInt16().FromEndian(Endian);
ContentBitmask = new ContentInfo(infile.ReadUInt16().FromEndian(Endian));
Unknown2 = infile.ReadUInt32().FromEndian(Endian);
ArchiveNameLocation = infile.ReadUInt32().FromEndian(Endian);
infile.Position = ArchiveNameLocation;
if (ArchiveNameLocation > 0)
{
ArchiveName = infile.ReadShiftJisNullterm();
}
Alignment = FirstFileStart;
Console.WriteLine("Content Bitmask: 0x" + ContentBitmask.Value.ToString("X4"));
if (ContentBitmask.HasUnknownDataTypes)
{
Console.WriteLine("WARNING: Bitmask identifies unknown data types, data interpretation will probably be incorrect.");
}
Files = new List <FileInfo>((int)FileCount);
for (uint i = 0; i < FileCount; ++i)
{
infile.Position = HeaderSize + (i * EntrySize);
Files.Add(new FileInfo(infile, i, ContentBitmask, Endian, Util.GameTextEncoding.ASCII));
}
FileLocationMultiplier = CalculateFileLocationMultiplier();
ShouldGuessFilesizeFromNextFile = !ContentBitmask.ContainsFileSizes && !ContentBitmask.ContainsSectorSizes && CalculateIsLinear();
infile.Dispose();
return(true);
}
// TODO: Clean up code duplication between Extract(), GetChildByIndex(), GetChildByName(), GetChildNames()!
public void Extract(string dirname, bool noMetadataParsing = false, bool printProgressToConsole = false)
{
System.IO.Directory.CreateDirectory(dirname);
for (int i = 0; i < Files.Count - 1; ++i)
{
FileInfo fi = Files[i];
if (fi.ShouldSkip)
{
if (printProgressToConsole)
{
Console.WriteLine("Skipped #" + i.ToString("D4"));
}
continue;
}
if (fi.Location == null)
{
throw new Exception("FPS4 extraction failure: Doesn't contain file start pointers!");
}
uint?maybeFilesize = fi.GuessFileSize(ShouldGuessFilesizeFromNextFile ? Files : null);
if (maybeFilesize == null)
{
throw new Exception("FPS4 extraction failure: Doesn't contain filesize information!");
}
long fileloc = (long)(fi.Location.Value) * FileLocationMultiplier;
uint filesize = maybeFilesize.Value;
(string path, string filename) = fi.GuessFilePathName();
if (path != null)
{
Directory.CreateDirectory(dirname + '/' + path);
path = path + '/' + filename;
}
else
{
path = filename;
}
FileStream outfile = new FileStream(Path.Combine(dirname, path), FileMode.Create);
if (printProgressToConsole)
{
Console.WriteLine("Extracting #" + i.ToString("D4") + ": " + path);
}
contentFile.Seek(fileloc, SeekOrigin.Begin);
StreamUtils.CopyStream(contentFile, outfile, (int)filesize);
outfile.Close();
}
}