rg1/server/ServerComm/Comm/CoreHelper.cs

using System;
using System.Collections.Generic;

namespace Sog
{
    public static class CoreHelper
    {
        private static readonly int MaxSequence = 1024;

        public static void Test()
        {

            var list = new List<RewardWeightItem>();
            list.Sort((a, b) => 1);
            
            var v = 1024;
            // var id = 4096;
            // var idv = 32709/1024;
            GetSequenceCheckIndex(v, out var index1, out var index2, out var byteIndex);
            Console.WriteLine("c={0},index1={1},index2={2},byteIndex={3},", v, index1, index2, byteIndex);
            // var seq = 0;
            // //SetSequence(byteIndex, ref seq);
            // var b = CheckInSequence(byteIndex, seq);
            // Console.WriteLine(b);
            //
            // GetSequenceCheckIndex(1023, out var rindex1, out var index1, out var byteIndex1);
            // Console.WriteLine("c={0}", v);
        }

        public static void GetSequenceCheckIndex(int id, out int index1, out int index2, out int byteIndex)
        {
            var limit = 1024;
            index1 = id / limit;
            var idv = id % limit;
            if (idv == 0)
            {
                index1 -= 1;
                index2 = 31;
                byteIndex = 31;
                return;
            }
            index2 = (idv - 1) >> 5;
            byteIndex = (idv - 1) & 31;
        }

        public static bool CheckInSequence(int byteIndex, int sequence)
        {
            return (sequence & (1 << byteIndex)) != 0;
        }

        public static void SetSequence(int byteIndex, ref int sequence)
        {
            sequence |= (1 << byteIndex);
        }

        public static void ClearSequence(int byteIndex, ref int sequence)
        {
            sequence &= ~(1 << byteIndex);
        }
    }
}