OpenMetaverse.TerrainCompressor.CreateLayerDataPacket C# (CSharp) Method

        public static LayerDataPacket CreateLayerDataPacket(TerrainPatch[] patches, TerrainPatch.LayerType type)
        {
            LayerDataPacket layer = new LayerDataPacket();
            layer.LayerID.Type = (byte)type;

            TerrainPatch.GroupHeader header = new TerrainPatch.GroupHeader();
            header.Stride = STRIDE;
            header.PatchSize = 16;
            header.Type = type;

            // Should be enough to fit even the most poorly packed data
            byte[] data = new byte[patches.Length * 16 * 16 * 2];
            BitPack bitpack = new BitPack(data, 0);
            bitpack.PackBits(header.Stride, 16);
            bitpack.PackBits(header.PatchSize, 8);
            bitpack.PackBits((int)header.Type, 8);

            for (int i = 0; i < patches.Length; i++)
                CreatePatch(bitpack, patches[i].Data, patches[i].X, patches[i].Y);

            bitpack.PackBits(END_OF_PATCHES, 8);

            layer.LayerData.Data = new byte[bitpack.BytePos + 1];
            Buffer.BlockCopy(bitpack.Data, 0, layer.LayerData.Data, 0, bitpack.BytePos + 1);

            return layer;
        }