Aurora.ScriptEngine.AuroraDotNetEngine.APIs.LSL_Api.llListRandomize C# (CSharp) Method

        public LSL_List llListRandomize(LSL_List src, int stride)
        {
            LSL_List result;
            Random rand = new Random();

            if (!ScriptProtection.CheckThreatLevel(ThreatLevel.None, "LSL", m_host, "LSL", m_itemID)) return new LSL_List();


            if (stride <= 0)
            {
                stride = 1;
            }

            // Stride MUST be a factor of the list length
            // If not, then return the src list. This also
            // traps those cases where stride > length.

            if (src.Length != stride && src.Length % stride == 0)
            {
                int chunkk = src.Length / stride;

                int[] chunks = new int[chunkk];

                for (int i = 0; i < chunkk; i++)
                    chunks[i] = i;

                // Knuth shuffle the chunkk index
                for (int i = chunkk - 1; i >= 1; i--)
                {
                    // Elect an unrandomized chunk to swap
                    int index = rand.Next(i + 1);

                    // and swap position with first unrandomized chunk
                    int tmp = chunks[i];
                    chunks[i] = chunks[index];
                    chunks[index] = tmp;
                }

                // Construct the randomized list

                result = new LSL_List();

                for (int i = 0; i < chunkk; i++)
                {
                    for (int j = 0; j < stride; j++)
                    {
                        result.Add(src.Data[chunks[i] * stride + j]);
                    }
                }
            }
            else
            {
                object[] array = new object[src.Length];
                Array.Copy(src.Data, 0, array, 0, src.Length);
                result = new LSL_List(array);
            }

            return result;
        }