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);
}