OpenMetaverse.TerrainCompressor.DecodePatchHeader C# (CSharp) Метод

        public static TerrainPatch.Header DecodePatchHeader(BitPack bitpack)
        {
            TerrainPatch.Header header = new TerrainPatch.Header();

            // Quantized word bits
            header.QuantWBits = bitpack.UnpackBits(8);
            if (header.QuantWBits == END_OF_PATCHES)
                return header;

            // DC offset
            header.DCOffset = bitpack.UnpackFloat();

            // Range
            header.Range = bitpack.UnpackBits(16);

            // Patch IDs (10 bits)
            header.PatchIDs = bitpack.UnpackBits(10);

            // Word bits
            header.WordBits = (uint)((header.QuantWBits & 0x0f) + 2);

            return header;
        }

        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]);
                }
            }
        }