[3.19] 2048 게임 (1차원)

using System;
using System.Collections.Generic;

namespace Study08
{
    //게임을 구동하는 클래스
    public class GameLauncher
    {
        public struct Position
        {
            public int row;
            public Position(int row)
            {
                this.row = row;
            }
        }
        private int[] arrPlate;                     //판
        public GameLauncher()
        {

        }

        //초기화
        public void Init()
        {
            Console.WriteLine("초기화 합니다.");
            CreatePlate();
        }

        //새로운 판을 생성
        public void CreatePlate()
        {
            this.arrPlate = new int[4];
            CreateBlock();
            Print();
        }

        //빈 자리 중 한 칸에 랜덤하게 2 또는 4가 나온다
        public void CreateBlock()
        {
            Random r = new Random();
            int row;
            do
            {
                if (!CheckZero())
                {
                    Print();
                    Console.WriteLine("빈칸 없음");
                    EndGame();
                }
                row = r.Next(0, 4);
            } while (arrPlate[row] != 0);
            arrPlate[row] = (r.Next(1, 101) <= 50 ? 2 : 4);
        }

        //게임 시작
        public void StartGame()
        {
            while (true)
            {
                ConsoleKeyInfo keyInfo = Console.ReadKey();
                Console.WriteLine();
                Console.Clear();
                if (keyInfo.Key == ConsoleKey.LeftArrow)
                {
                    for (int i = 1; i < arrPlate.Length; i++)
                    {
                        int pos = 0;
                        if (arrPlate[i] != 0)
                        {
                            pos = i;
                            while (pos > 0 && arrPlate[pos - 1] == 0)
                            {
                                Swap(new Position(pos--), new Position(pos));
                            }
                        }

                        if (pos > 0 && pos < arrPlate.Length && arrPlate[pos - 1] == arrPlate[pos])
                        {
                            arrPlate[pos - 1] *= 2;
                            arrPlate[pos] = 0;
                        }
                    }
                    CreateBlock();
                    Print();
                }
                else if (keyInfo.Key == ConsoleKey.RightArrow)
                {
                    for (int i = arrPlate.Length - 2; i >= 0; i--)
                    {
                        int pos = 0;
                        if (arrPlate[i] != 0)
                        {
                            pos = i;
                            while (pos < arrPlate.Length - 1 && arrPlate[pos + 1] == 0)
                            {
                                Swap(new Position(pos++), new Position(pos));
                            }
                        }

                        if (pos > 0 && pos < arrPlate.Length - 1 && arrPlate[pos + 1] == arrPlate[pos])
                        {
                            arrPlate[pos + 1] *= 2;
                            arrPlate[pos] = 0;
                        }
                    }
                    CreateBlock();
                    Print();
                }
                else if (keyInfo.Key == ConsoleKey.Escape)
                {
                    this.EndGame();
                }
            }
        }

        //게임 종료
        public void EndGame()
        {
            Console.WriteLine("게임종료");
            System.Diagnostics.Process.GetCurrentProcess().Kill();
        }

        private void Swap(Position a, Position b)
        {
            int tmp = arrPlate[b.row];
            arrPlate[b.row] = arrPlate[a.row];
            arrPlate[a.row] = tmp;
        }

        private void Print()
        {
            for (int i = 0; i < arrPlate.Length; i++)
            {
                Console.Write("{0} ", arrPlate[i]);
            }
            Console.WriteLine();
        }

        private bool CheckZero()
        {
            foreach (var i in arrPlate)
            {
                if (i == 0)
                    return true;
            }
            return false;
        }
    }
}