CNCMaps.FileFormats.Map.MapFile.ReadTiles C# (CSharp) Метод

        private void ReadTiles()
        {
            var mapSection = GetSection("IsoMapPack5");
            byte[] lzoData = Convert.FromBase64String(mapSection.ConcatenatedValues());
            int cells = (FullSize.Width * 2 - 1) * FullSize.Height;
            int lzoPackSize = cells * 11 + 4; // last 4 bytes contains a lzo pack header saying no more data is left

            var isoMapPack = new byte[lzoPackSize];
            uint totalDecompressSize = Format5.DecodeInto(lzoData, isoMapPack);

            var mf = new MemoryFile(isoMapPack);
            int numtiles = 0;
            for (int i = 0; i < cells; i++) {
                ushort rx = mf.ReadUInt16();
                ushort ry = mf.ReadUInt16();
                short tilenum = mf.ReadInt16();
                short zero1 = mf.ReadInt16();
                byte subtile = mf.ReadByte();
                byte z = mf.ReadByte();
                byte zero2 = mf.ReadByte();

                int dx = rx - ry + FullSize.Width - 1;
                int dy = rx + ry - FullSize.Width - 1;
                numtiles++;
                if (dx >= 0 && dx < 2 * Tiles.Width &&
                    dy >= 0 && dy < 2 * Tiles.Height) {
                    var tile = new IsoTile((ushort)dx, (ushort)dy, rx, ry, z, tilenum, subtile);
                    Tiles[(ushort)dx, (ushort)dy / 2] = tile;
                }
            }

            // fix missing tiles

            // import tiles
            for (ushort y = 0; y < FullSize.Height; y++) {
                for (ushort x = 0; x <= FullSize.Width * 2 - 2; x++) {
                    var isoTile = Tiles[x, y];
                    if (isoTile == null) {
                        // fix null tiles to blank
                        ushort dx = (ushort)(x);
                        ushort dy = (ushort)(y * 2 + x % 2);
                        ushort rx = (ushort)((dx + dy) / 2 + 1);
                        ushort ry = (ushort)(dy - rx + FullSize.Width + 1);
                        Tiles[x, y] = new IsoTile(dx, dy, rx, ry, 0, 0, 0);
                    }
                }
            }

            Logger.Debug("Read {0} tiles", numtiles);
        }