enum과 비트마스크

enum과 비트마스크 

https://stackoverflow.com/questions/8488276/enums-all-options-value

https://stackoverflow.com/questions/3261451/using-a-bitmask-in-c-sharp

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_03
{
    class App
    {
        public enum eNames
        {
            None = 0,
            Susan = 1,
            Bob = 2,
            Karen = 4,
            All = ~None
        }
 
        //생성자 
        public App()
        {
            var names = App.eNames.Bob | App.eNames.Karen;
            Console.WriteLine($"names: {names}");
            var includeSusan = (names & App.eNames.Susan) != App.eNames.None;
            Console.WriteLine($"{includeSusan}");
 
        }
    }
}
 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_03
{
    class GameEnums
    {
        //진영 
        public enum eCamp
        {
            None = 0,
            Alliance = 100,
            Horde = 200
        }
 
        //종족
        [Flags]
        public enum eTribe
        {
            None = 0,
            Human = 1,
            Dwarf = 2, 
            NightElf = 4,
            All = ~None
        }
 
        //직업 
        [Flags]
        public enum eClasses
        {
            None = 0,
            DeathKnight = 1,
            Hunter = 2,
            Rogue = 4,
            Monk = 8,
            Mage = 16,
            Warlock = 32,
            Priest = 64, 
            Paladin = 128,
            Warrior = 512,
            Shaman = 1024,
            DemonHunter = 2048,
            Druid = 4096,
            All = ~None
        }
    }
}
 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_03
{
    class Program
    {
        static void Main(string[] args)
        {
            GameEnums.eClasses humanAvailableClass = GameEnums.eClasses.DemonHunter |
                GameEnums.eClasses.DeathKnight |
                GameEnums.eClasses.Druid |
                GameEnums.eClasses.Rogue |
                GameEnums.eClasses.Hunter |
                GameEnums.eClasses.Monk |
                GameEnums.eClasses.Mage |
                GameEnums.eClasses.Priest |
                GameEnums.eClasses.Warrior;
 
            Console.WriteLine("종족을 선택해주세요. (1: 인간, 2:드워프, 3:나엘");
 
            var arrTribe = Enum.GetValues(typeof(GameEnums.eTribe));
            //foreach (var tribe in arrTribe)
            //{
            //    Console.WriteLine(tribe);
            //}
 
            var keyChar = Console.ReadKey().KeyChar;
            int selectedClassNum;
            Int32.TryParse(keyChar.ToString(), out selectedClassNum);
 
            var selectedClassEnum = (GameEnums.eTribe)arrTribe.GetValue(selectedClassNum);
 
            // 10진수를 2진수 문자열로
            string strBase2_2 = Convert.ToString((int)humanAvailableClass, 2);
            //Console.WriteLine(strBase2_2);
 
            var allClasses = Enum.GetValues(typeof(GameEnums.eClasses));
            //foreach (var availableClass in allClasses)
            //{
            //    var a = humanAvailableClass & (GameEnums.eClasses)availableClass;
            //    //var b = Convert.ToString((int)a, 2);
            //    var b = a & ~GameEnums.eClasses.None;
            //    Console.WriteLine("--->" + b);
            //}
 
            var a = humanAvailableClass & GameEnums.eClasses.All;
            //var b = Convert.ToString((int)a, 2);
            var b = a & ~GameEnums.eClasses.None;
 
            var c = b.ToString().Split(',');
            foreach (var d in c) {
                Console.WriteLine(d.ToString().Trim());
            }
 
            Console.ReadKey();
        }
    }
}