Represents an entry in a FAR1 archive.
コード例 #1
0
        /// <summary>
        /// Creates a new FAR1Archive instance from a path.
        /// </summary>
        /// <param name="Path">The path to the archive.</param>
        public FAR1Archive(string Path, bool v1b)
        {
            m_Path   = Path;
            m_Reader = new BinaryReader(File.Open(Path, FileMode.Open, FileAccess.Read, FileShare.Read));

            //Magic number - An 8-byte string (not null-terminated), consisting of the ASCII characters "FAR!byAZ"
            string Header = Encoding.ASCII.GetString(m_Reader.ReadBytes(8));
            //Version - A 4-byte unsigned integer specifying the version; 1a and 1b each specify 1.
            uint Version = m_Reader.ReadUInt32();

            if ((Header != "FAR!byAZ") || (Version != 1))
            {
                throw(new Exception("Archive wasn't a valid FAR V.1 archive!"));
            }

            //File table offset - A 4-byte unsigned integer specifying the offset to the file table
            //from the beginning of the archive.
            m_ManifestOffset = m_Reader.ReadUInt32();
            m_Reader.BaseStream.Seek(m_ManifestOffset, SeekOrigin.Begin);

            m_NumFiles = m_Reader.ReadUInt32();

            for (int i = 0; i < m_NumFiles; i++)
            {
                var Entry = new FarEntry();
                Entry.DataLength     = m_Reader.ReadInt32();
                Entry.DataLength2    = m_Reader.ReadInt32();
                Entry.DataOffset     = m_Reader.ReadInt32();
                Entry.FilenameLength = (v1b)?m_Reader.ReadInt16():(short)m_Reader.ReadInt32();
                Entry.Filename       = Encoding.ASCII.GetString(m_Reader.ReadBytes(Entry.FilenameLength));

                m_Entries.Add(Entry);
            }
        }
コード例 #2
0
ファイル: FAR1Archive.cs プロジェクト: RHY3756547/FreeSO
        /// <summary>
        /// Creates a new FAR1Archive instance from a path.
        /// </summary>
        /// <param name="Path">The path to the archive.</param>
        public FAR1Archive(string Path)
        {
            m_Path = Path;
            m_Reader = new BinaryReader(File.Open(Path, FileMode.Open, FileAccess.Read, FileShare.Read));

            //Magic number - An 8-byte string (not null-terminated), consisting of the ASCII characters "FAR!byAZ"
            string Header = Encoding.ASCII.GetString(m_Reader.ReadBytes(8));
            //Version - A 4-byte unsigned integer specifying the version; 1a and 1b each specify 1.
            uint Version = m_Reader.ReadUInt32();

            if ((Header != "FAR!byAZ") || (Version != 1))
            {
                throw(new Exception("Archive wasn't a valid FAR V.1 archive!"));
            }

            //File table offset - A 4-byte unsigned integer specifying the offset to the file table
            //from the beginning of the archive.
            m_ManifestOffset = m_Reader.ReadUInt32();
            m_Reader.BaseStream.Seek(m_ManifestOffset, SeekOrigin.Begin);

            m_NumFiles = m_Reader.ReadUInt32();

            for (int i = 0; i < m_NumFiles; i++)
            {
                FarEntry Entry = new FarEntry();
                Entry.DataLength = m_Reader.ReadInt32();
                Entry.DataLength2 = m_Reader.ReadInt32();
                Entry.DataOffset = m_Reader.ReadInt32();
                Entry.FilenameLength = m_Reader.ReadInt16();
                Entry.Filename = Encoding.ASCII.GetString(m_Reader.ReadBytes(Entry.FilenameLength));

                m_Entries.Add(Entry);
            }
        }
コード例 #3
0
        /// <summary>
        /// Gets an entry's data from a FarEntry instance.
        /// </summary>
        /// <param name="Entry">A FarEntry instance.</param>
        /// <returns>The entry's data.</returns>
        public byte[] GetEntry(FarEntry Entry)
        {
            foreach (var Ent in m_Entries)
            {
                if (Ent.Filename == Entry.Filename)
                {
                    m_Reader.BaseStream.Seek(Ent.DataOffset, SeekOrigin.Begin);
                    return(m_Reader.ReadBytes(Ent.DataLength));
                }
            }

            return(null);
        }
コード例 #4
0
ファイル: FAR1Archive.cs プロジェクト: RHY3756547/FreeSO
        /// <summary>
        /// Gets an entry's data from a FarEntry instance.
        /// </summary>
        /// <param name="Entry">A FarEntry instance.</param>
        /// <returns>The entry's data.</returns>
        public byte[] GetEntry(FarEntry Entry)
        {
            foreach (FarEntry Ent in m_Entries)
            {
                if (Ent.Filename == Entry.Filename)
                {
                    m_Reader.BaseStream.Seek(Ent.DataOffset, SeekOrigin.Begin);
                    return m_Reader.ReadBytes(Ent.DataLength);
                }
            }

            return null;
        }