Esempio n. 1
0
        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);
        }