示例#1
0
文件: Mpq.cs 项目: Frassle/Ibasa
        public Mpq(Stream stream)
        {
            Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);

            long offset = 0;
            bool founda, foundb;
            {
                Ibasa.Media.FourCC mpqa = new Media.FourCC("MPQ\x1A");
                Ibasa.Media.FourCC mpqb = new Media.FourCC("MPQ\x1B");

                //find offset
                var fourcc = Reader.Read<Ibasa.Media.FourCC>();
                founda = fourcc == mpqa;
                foundb = fourcc == mpqb;

                while (!founda && !foundb)
                {
                    offset += 512;
                    fourcc = Reader.Read<Ibasa.Media.FourCC>();
                    founda = fourcc == mpqa;
                    foundb = fourcc == mpqb;
                }
            }

            if (foundb)
            {
                var userdatasize = Reader.ReadUInt32();
                offset += Reader.ReadUInt32();
                var userdataheader = Reader.ReadUInt32();
            }

            Reader.Seek(offset, SeekOrigin.Begin);

            if (Reader.Read<Media.FourCC>() != new Media.FourCC("MPQ\x1A"))
                throw new Exception("WTF");

            HeaderSize = Reader.ReadUInt32();
            ArchiveSize = Reader.ReadUInt32();
            FormatVersion = Reader.ReadUInt16();
            BlockSize = Reader.ReadUInt16();
            HashTablePos = Reader.ReadUInt32();
            BlockTablePos = Reader.ReadUInt32();
            HashTableSize = Reader.ReadUInt32();
            BlockTableSize = Reader.ReadUInt32();

            if (FormatVersion >= 2)
            {
                HiBlockTablePos64 = Reader.ReadUInt64();
                HashTablePosHi = Reader.ReadUInt16();
                BlockTablePosHi = Reader.ReadUInt16();
            }
            if (FormatVersion >= 3)
            {
                ArchiveSize64 = Reader.ReadUInt64();
                BetTablePos64 = Reader.ReadUInt64();
                HetTablePos64 = Reader.ReadUInt64();
            }
            if (FormatVersion >= 4)
            {
                hashtablesize64 = Reader.ReadUInt64();
                blocktablesize64 = Reader.ReadUInt64();
                hiblocktablesize64 = Reader.ReadUInt64();
                hettablesize64 = Reader.ReadUInt64();
                bettablesize64 = Reader.ReadUInt64();
                dawchunksize = Reader.ReadUInt32();
                md5_blocktable = Reader.ReadBytes(16);
                md5_hashtable = Reader.ReadBytes(16);
                md5_hiblocktable = Reader.ReadBytes(16);
                md5_bettable = Reader.ReadBytes(16);
                md5_hettable = Reader.ReadBytes(16);
                md5_mpqheader = Reader.ReadBytes(16);
            }

            if (HetTablePos64 != 0)
            {
                ParseHET();
            }
            if (BetTablePos64 != 0)
            {
                ParseBET();
            }
        }
示例#2
0
文件: Mpq.cs 项目: bonomali/Ibasa
        public Mpq(Stream stream)
        {
            Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);

            long offset = 0;
            bool founda, foundb;

            {
                Ibasa.Media.FourCC mpqa = new Media.FourCC("MPQ\x1A");
                Ibasa.Media.FourCC mpqb = new Media.FourCC("MPQ\x1B");

                //find offset
                var fourcc = Reader.Read <Ibasa.Media.FourCC>();
                founda = fourcc == mpqa;
                foundb = fourcc == mpqb;

                while (!founda && !foundb)
                {
                    offset += 512;
                    fourcc  = Reader.Read <Ibasa.Media.FourCC>();
                    founda  = fourcc == mpqa;
                    foundb  = fourcc == mpqb;
                }
            }

            if (foundb)
            {
                var userdatasize = Reader.ReadUInt32();
                offset += Reader.ReadUInt32();
                var userdataheader = Reader.ReadUInt32();
            }

            Reader.Seek(offset, SeekOrigin.Begin);

            if (Reader.Read <Media.FourCC>() != new Media.FourCC("MPQ\x1A"))
            {
                throw new Exception("WTF");
            }

            HeaderSize     = Reader.ReadUInt32();
            ArchiveSize    = Reader.ReadUInt32();
            FormatVersion  = Reader.ReadUInt16();
            BlockSize      = Reader.ReadUInt16();
            HashTablePos   = Reader.ReadUInt32();
            BlockTablePos  = Reader.ReadUInt32();
            HashTableSize  = Reader.ReadUInt32();
            BlockTableSize = Reader.ReadUInt32();

            if (FormatVersion >= 2)
            {
                HiBlockTablePos64 = Reader.ReadUInt64();
                HashTablePosHi    = Reader.ReadUInt16();
                BlockTablePosHi   = Reader.ReadUInt16();
            }
            if (FormatVersion >= 3)
            {
                ArchiveSize64 = Reader.ReadUInt64();
                BetTablePos64 = Reader.ReadUInt64();
                HetTablePos64 = Reader.ReadUInt64();
            }
            if (FormatVersion >= 4)
            {
                hashtablesize64    = Reader.ReadUInt64();
                blocktablesize64   = Reader.ReadUInt64();
                hiblocktablesize64 = Reader.ReadUInt64();
                hettablesize64     = Reader.ReadUInt64();
                bettablesize64     = Reader.ReadUInt64();
                dawchunksize       = Reader.ReadUInt32();
                md5_blocktable     = Reader.ReadBytes(16);
                md5_hashtable      = Reader.ReadBytes(16);
                md5_hiblocktable   = Reader.ReadBytes(16);
                md5_bettable       = Reader.ReadBytes(16);
                md5_hettable       = Reader.ReadBytes(16);
                md5_mpqheader      = Reader.ReadBytes(16);
            }

            if (HetTablePos64 != 0)
            {
                ParseHET();
            }
            if (BetTablePos64 != 0)
            {
                ParseBET();
            }
        }