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

            public void FlushBlock(byte[] stored, int storedOffset, int storedLength, bool lastBlock)
            {
                this.literalTree.freqs[0x100] = (short) (this.literalTree.freqs[0x100] + 1);
                this.literalTree.BuildTree();
                this.distTree.BuildTree();
                this.literalTree.CalcBLFreq(this.blTree);
                this.distTree.CalcBLFreq(this.blTree);
                this.blTree.BuildTree();
                int blTreeCodes = 4;
                for (int i = 0x12; i > blTreeCodes; i--)
                {
                    if (this.blTree.length[BL_ORDER[i]] > 0)
                    {
                        blTreeCodes = i + 1;
                    }
                }
                int num3 = ((((14 + (blTreeCodes * 3)) + this.blTree.GetEncodedLength()) + this.literalTree.GetEncodedLength()) + this.distTree.GetEncodedLength()) + this.extra_bits;
                int num4 = this.extra_bits;
                for (int j = 0; j < 0x11e; j++)
                {
                    num4 += this.literalTree.freqs[j] * staticLLength[j];
                }
                for (int k = 0; k < 30; k++)
                {
                    num4 += this.distTree.freqs[k] * staticDLength[k];
                }
                if (num3 >= num4)
                {
                    num3 = num4;
                }
                if ((storedOffset >= 0) && ((storedLength + 4) < (num3 >> 3)))
                {
                    this.FlushStoredBlock(stored, storedOffset, storedLength, lastBlock);
                }
                else if (num3 == num4)
                {
                    this.pending.WriteBits(2 + (lastBlock ? 1 : 0), 3);
                    this.literalTree.SetStaticCodes(staticLCodes, staticLLength);
                    this.distTree.SetStaticCodes(staticDCodes, staticDLength);
                    this.CompressBlock();
                    this.Init();
                }
                else
                {
                    this.pending.WriteBits(4 + (lastBlock ? 1 : 0), 3);
                    this.SendAllTrees(blTreeCodes);
                    this.CompressBlock();
                    this.Init();
                }
            }