[C#] Text Rpg 예시

namespace ConsoleApp1 {     internal class Program     {         struct Player         {             public int hp;             public int attack;         }                  enum ClassType         {             None = 0,             Knight = 1,             Archer = 2,             Mage = 3         }         enum MonsterType         {             None = 0,             Slime,             Orc,             Skeleton         }         struct Monster         {             public int hp;             public int attack;         }         static ClassType chooseclass()         {             Console.WriteLine("직업을 선택하세요");             Console.WriteLine("[1 전사]");             Console.WriteLine("[2 궁수]");             Console.WriteLine("[3 법사]");             string input = Console.ReadLine();             ClassType choice = ClassType.None;             switch (input)             {                 case "1":                     choice = ClassType.Knight;                     break;                 case "2":                     choice = ClassType.Archer;                     break;                 case "3":                     choice = ClassType.Mage;                     break;             }             return choice;         }         static void CreatePlayer(ClassType choice, out Player player)         {                         switch (choice)             {                 case ClassType.Knight:                     player.hp = 100;                     player.attack = 70;                     break;                 case ClassType.Archer:                     player.hp = 75;                     player.attack = 12;                     break;                 case ClassType.Mage:                     player.hp = 50;                     player.attack = 15;                     break;                 default:                     player.hp = 0;                     player.attack = 0;                     break;                     }         }         static void CreateRandomMonster(out Monster monster)         {             Random rand = new Random();             int randMonster = rand.Next(1, 4);             switch (randMonster)             {                 case (int)MonsterType.Slime:                     Console.WriteLine("슬라임이 생성되었습니다.");                     monster.hp = 20;                     monster.attack = 2;                     break;                 case (int)MonsterType.Orc:                     Console.WriteLine("오크가 생성되었습니다.");                     monster.hp = 40;                     monster.attack = 5;                     break;                 case (int)MonsterType.Skeleton:                     Console.WriteLine("스켈레톤이 생성되었습니다.");                     monster.hp = 30;                     monster.attack = 2;                     break;                 default:                     monster.hp = 0;                     monster.attack = 0;                     break;             }         }         static void Fight(ref Player player, ref Monster monster)         {             while (true)             {                 monster.hp -= player.attack;                 if (monster.hp < 0)                 {                     Console.WriteLine("승리했습니다.");                     Console.WriteLine($"남은체력 : {player.hp}");                     break;                 }                 player.hp -= monster.attack;                 if (player.hp < 0)                 {                     Console.WriteLine("패배했습니다");                     break;                 }             }         }         static void EnterField(ref Player player)         {             while (true)             {                 Console.WriteLine("필드에 접속했습니다.");                 Monster monster;                 CreateRandomMonster(out monster);                 Console.WriteLine("[1] 전투 모드로 돌입");                 Console.WriteLine("[2] 일정 확률로 마을로 도망");                 string input = Console.ReadLine();                 if (input == "1")                 {                     Fight(ref player, ref monster);                 }                 else if (input == "2")                 {                     Random rand = new Random();                     int randvalue = rand.Next(0, 101);                     if (randvalue <= 33)                     {                         Console.WriteLine("도망치는데 성공했습니다");                         break;                     }                     else                     {                         Fight(ref player, ref monster);                     }                 }             }                    }         static void EnterGame(ref Player player)         {             while (true)             {                 Console.WriteLine("마을에 접속한다");                 Console.WriteLine("[1] 필드로 접속한다");                 Console.WriteLine("[2] 로비로 돌아간다");                 string input = Console.ReadLine();                 if (input == "1")                 {                     EnterField(ref player);                 }                 else if (input == "2")                 {                     break;                 }             }         }                 static void Main(string[] args)         {             while (true)             {                         ClassType choice = chooseclass();                 if(choice != ClassType.None)                 {                     Player player;                                       CreatePlayer(choice, out player);                     EnterGame(ref player);                 }                                                  }                      }     } }