SmartAssembly.Zip.SimpleZip.DeflaterHuffman.TallyDist C# (CSharp) Method

            public bool TallyDist(int dist, int len)
            {
                this.d_buf[this.last_lit] = (short) dist;
                this.l_buf[this.last_lit++] = (byte) (len - 3);
                int index = this.Lcode(len - 3);
                this.literalTree.freqs[index] = (short) (this.literalTree.freqs[index] + 1);
                if ((index >= 0x109) && (index < 0x11d))
                {
                    this.extra_bits += (index - 0x105) / 4;
                }
                int num2 = this.Dcode(dist - 1);
                this.distTree.freqs[num2] = (short) (this.distTree.freqs[num2] + 1);
                if (num2 >= 4)
                {
                    this.extra_bits += (num2 / 2) - 1;
                }
                return this.IsFull();
            }