OpenMetaverse.TerrainCompressor.EncodePatch C# (CSharp) Method

        private static void EncodePatch(BitPack output, int[] patch, int postquant, int wbits)
        {
            int temp;
            bool eob;

            if (postquant > 16 * 16 || postquant < 0)
            {
                Logger.Log("Postquant is outside the range of allowed values in EncodePatch()", Helpers.LogLevel.Error);
                return;
            }

            if (postquant != 0) patch[16 * 16 - postquant] = 0;

            for (int i = 0; i < 16 * 16; i++)
            {
                eob = false;
                temp = patch[i];

                if (temp == 0)
                {
                    eob = true;

                    for (int j = i; j < 16 * 16 - postquant; j++)
                    {
                        if (patch[j] != 0)
                        {
                            eob = false;
                            break;
                        }
                    }

                    if (eob)
                    {
                        output.PackBits(ZERO_EOB, 2);
                        return;
                    }
                    else
                    {
                        output.PackBits(ZERO_CODE, 1);
                    }
                }
                else
                {
                    if (temp < 0)
                    {
                        temp *= -1;

                        if (temp > (1 << wbits)) temp = (1 << wbits);

                        output.PackBits(NEGATIVE_VALUE, 3);
                        output.PackBits(temp, wbits);
                    }
                    else
                    {
                        if (temp > (1 << wbits)) temp = (1 << wbits);

                        output.PackBits(POSITIVE_VALUE, 3);
                        output.PackBits(temp, wbits);
                    }
                }
            }
        }