FSO.Files.Formats.DBPF.DBPFFile.Read C# (CSharp) 메소드

        public void Read(Stream stream)
        {
            m_EntryByID = new Dictionary<ulong,DBPFEntry>();
            m_EntriesList = new List<DBPFEntry>();

            var io = IoBuffer.FromStream(stream, ByteOrder.LITTLE_ENDIAN);
            m_Reader = io;
            this.Io = io;

            var magic = io.ReadCString(4);
            if (magic != "DBPF")
            {
                throw new Exception("Not a DBPF file");
            }

            var majorVersion = io.ReadUInt32();
            var minorVersion = io.ReadUInt32();
            var version = majorVersion + (((double)minorVersion)/10.0);

            /** Unknown, set to 0 **/
            io.Skip(12);

            if (version == 1.0)
            {
                this.DateCreated = io.ReadInt32();
                this.DateModified = io.ReadInt32();
            }

            if (version < 2.0)
            {
                IndexMajorVersion = io.ReadUInt32();
            }

            NumEntries = io.ReadUInt32();
            uint indexOffset = 0;
            if (version < 2.0)
            {
                indexOffset = io.ReadUInt32();
            }
            var indexSize = io.ReadUInt32();

            if (version < 2.0)
            {
                var trashEntryCount = io.ReadUInt32();
                var trashIndexOffset = io.ReadUInt32();
                var trashIndexSize = io.ReadUInt32();
                var indexMinor = io.ReadUInt32();
            }
            else if (version == 2.0)
            {
                var indexMinor = io.ReadUInt32();
                indexOffset = io.ReadUInt32();
                io.Skip(4);
            }

            /** Padding **/
            io.Skip(32);

            io.Seek(SeekOrigin.Begin, indexOffset);
            for (int i = 0; i < NumEntries; i++)
            {
                var entry = new DBPFEntry();
                entry.TypeID = (DBPFTypeID)io.ReadUInt32();
                entry.GroupID = (DBPFGroupID)io.ReadUInt32();
                entry.InstanceID = io.ReadUInt32();
                entry.FileOffset = io.ReadUInt32();
                entry.FileSize = io.ReadUInt32();

                m_EntriesList.Add(entry);
                ulong id = (((ulong)entry.InstanceID) << 32) + (ulong)entry.TypeID;
                if (!m_EntryByID.ContainsKey(id))
                    m_EntryByID.Add(id, entry);

                if (!m_EntriesByType.ContainsKey(entry.TypeID))
                    m_EntriesByType.Add(entry.TypeID, new List<DBPFEntry>());

                m_EntriesByType[entry.TypeID].Add(entry);
            }
        }

        public static DBPFFile LoadResource(string file, bool isDownload = false)
        {
            var res = new DBPFFile();

            res.fname = file;
            var stream = File.OpenRead(file);

            res.Read(stream, true, isDownload);
            return(res);
        }