OpenMetaverse.TerrainCompressor.DecodePatch C# (CSharp) Method

        public static void DecodePatch(int[] patches, BitPack bitpack, TerrainPatch.Header header, int size)
        {
            int temp;
            for (int n = 0; n < size * size; n++)
            {
                // ?
                temp = bitpack.UnpackBits(1);
                if (temp != 0)
                {
                    // Value or EOB
                    temp = bitpack.UnpackBits(1);
                    if (temp != 0)
                    {
                        // Value
                        temp = bitpack.UnpackBits(1);
                        if (temp != 0)
                        {
                            // Negative
                            temp = bitpack.UnpackBits((int)header.WordBits);
                            patches[n] = temp * -1;
                        }
                        else
                        {
                            // Positive
                            temp = bitpack.UnpackBits((int)header.WordBits);
                            patches[n] = temp;
                        }
                    }
                    else
                    {
                        // Set the rest to zero
                        // TODO: This might not be necessary
                        for (int o = n; o < size * size; o++)
                        {
                            patches[o] = 0;
                        }
                        break;
                    }
                }
                else
                {
                    patches[n] = 0;
                }
            }
        }

        private void DecompressWind(Simulator simulator, BitPack bitpack, TerrainPatch.GroupHeader group)
        {
            int[] patches = new int[32 * 32];

            // Ignore the simulator stride value
            group.Stride = group.PatchSize;

            // Each wind packet contains the wind speeds and direction for the entire simulator
            // stored as two float arrays. The first array is the X value of the wind speed at
            // each 16x16m block, second is the Y value.
            // wind_speed = distance(x,y to 0,0)
            // wind_direction = vec2(x,y)

            // X values
            TerrainPatch.Header header = TerrainCompressor.DecodePatchHeader(bitpack);
            TerrainCompressor.DecodePatch(patches, bitpack, header, group.PatchSize);
            float[] xvalues = TerrainCompressor.DecompressPatch(patches, header, group);

            // Y values
            header = TerrainCompressor.DecodePatchHeader(bitpack);
            TerrainCompressor.DecodePatch(patches, bitpack, header, group.PatchSize);
            float[] yvalues = TerrainCompressor.DecompressPatch(patches, header, group);

            if (simulator.Client.Settings.STORE_LAND_PATCHES)
            {
                for (int i = 0; i < 256; i++)
                {
                    simulator.WindSpeeds[i] = new Vector2(xvalues[i], yvalues[i]);
                }
            }
        }