Example #1
0
        public static MpqHeader FromReader(BinaryReader br)
        {
            uint id = br.ReadUInt32();

            if (id != MpqId)
            {
                return(null);
            }
            MpqHeader header = new MpqHeader
            {
                ID             = id,
                DataOffset     = br.ReadUInt32(),
                ArchiveSize    = br.ReadUInt32(),
                MpqVersion     = br.ReadUInt16(),
                BlockSize      = br.ReadUInt16(),
                HashTablePos   = br.ReadUInt32(),
                BlockTablePos  = br.ReadUInt32(),
                HashTableSize  = br.ReadUInt32(),
                BlockTableSize = br.ReadUInt32(),
            };

            if (header.MpqVersion == 1)
            {
                header.ExtendedBlockTableOffset = br.ReadInt64();
                header.HashTableOffsetHigh      = br.ReadInt16();
                header.BlockTableOffsetHigh     = br.ReadInt16();
            }

            return(header);
        }
Example #2
0
        private bool LocateMpqHeader()
        {
            BinaryReader br = new BinaryReader(mStream);

            // In .mpq files the header will be at the start of the file
            // In .exe files, it will be at a multiple of 0x200
            for (long i = 0; i < mStream.Length - MpqHeader.Size; i += 0x200)
            {
                mStream.Seek(i, SeekOrigin.Begin);
                mHeader = new MpqHeader(br);

                if (mHeader.ID == MpqHeader.MpqId)
                {
                    mHeaderOffset          = i;
                    mHeader.HashTablePos  += (uint)mHeaderOffset;
                    mHeader.BlockTablePos += (uint)mHeaderOffset;
                    if (mHeader.DataOffset == 0x6d9e4b86)
                    {
                        // then this is a protected archive
                        mHeader.DataOffset = (uint)(MpqHeader.Size + i);
                    }
                    return(true);
                }
            }
            return(false);
        }
Example #3
0
        private bool LocateMpqHeader()
        {
            BinaryReader br = new BinaryReader(BaseStream);

            // In .mpq files the header will be at the start of the file
            // In .exe files, it will be at a multiple of 0x200
            for (long i = 0; i < BaseStream.Length - MpqHeader.Size; i += 0x200)
            {
                BaseStream.Seek(i, SeekOrigin.Begin);
                _mpqHeader = MpqHeader.FromReader(br);
                if (_mpqHeader != null)
                {
                    _headerOffset = i;
                    _mpqHeader.SetHeaderOffset(_headerOffset);
                    return(true);
                }
            }
            return(false);
        }