Brave new world

using System;
using System.IO;

namespace CSLight
{
    internal class Program
    {
        static void Main()
        {
            char[,] map = ReadMap();
            ConsoleKeyInfo pressedKey;

            Console.CursorVisible = false;

            int pacmanX = 1;
            int pacmanY = 1;
            int score = 0;
            int maxScore = 13;

            while (score != maxScore)
            {
                Console.Clear();

                Console.ForegroundColor = ConsoleColor.Cyan;
                DrawMap(map);

                DrawObjects(pacmanX, pacmanY, score);

                pressedKey = Console.ReadKey();
                WorkPacman(pressedKey, ref pacmanX, ref pacmanY, map, ref score);
            }

            Console.Clear();
        }

        static char[,] ReadMap()
        {
            string fileName = "map.txt";

            string[] file = File.ReadAllLines(fileName);

            char[,] map = new char[file[0].Length, file.Length];

            for (int x = 0; x < map.GetLength(0); x++)
                for (int y = 0; y < map.GetLength(1); y++)
                    map[x, y] = file[y][x];

            return map;
        }

        static void DrawMap(char[,] map)
        {
            for (int y = 0; y < map.GetLength(1); y++)
            {
                for (int x = 0; x < map.GetLength(0); x++)
                {
                    Console.Write(map[x, y]);
                }

                Console.Write("\n");
            }
        }

        static void DrawObjects(int pacmanX, int pacmanY, int score)
        {
            Console.ForegroundColor = ConsoleColor.Magenta;
            Console.SetCursorPosition(pacmanX, pacmanY);
            Console.Write("@");

            Console.ForegroundColor = ConsoleColor.DarkGreen;
            Console.SetCursorPosition(32, 0);
            Console.Write($"Score: {score}");
        }

        static void WorkPacman(ConsoleKeyInfo pressedKey, ref int pacmanX, ref int pacmanY, char[,] map, ref int score)
        {
            int[] direction = GetDirection(pressedKey);

            int nextPacmanPositionX = pacmanX + direction[0];
            int nextPacmanPositionY = pacmanY + direction[1];

            char nextCell = map[nextPacmanPositionX, nextPacmanPositionY];

            MovePacman(nextCell, ref pacmanX, ref pacmanY, nextPacmanPositionX, nextPacmanPositionY);
            PickUpScore(ref score, ref nextCell);

            map[nextPacmanPositionX, nextPacmanPositionY] = nextCell;
        }

        static int[] GetDirection(ConsoleKeyInfo pressedKey)
        {
            int[] direction = { 0, 0 };

            int oneStep = 1;

            ConsoleKey upMove = ConsoleKey.UpArrow;
            ConsoleKey downMove = ConsoleKey.DownArrow;
            ConsoleKey leftMove = ConsoleKey.LeftArrow;
            ConsoleKey rightMove = ConsoleKey.RightArrow;

            if (pressedKey.Key == upMove)
                direction[1] = -oneStep;
            else if (pressedKey.Key == downMove)
                direction[1] = oneStep;
            else if (pressedKey.Key == leftMove)
                direction[0] = -oneStep;
            else if (pressedKey.Key == rightMove)
                direction[0] = oneStep;

            return direction;
        }

        static void MovePacman(char nextCell, ref int pacmanX, ref int pacmanY, int nextPositionX, int nextPositionY)
        {
            if (nextCell == ' ' || nextCell == '.')
            {
                pacmanX = nextPositionX;
                pacmanY = nextPositionY;
            }
        }

        static void PickUpScore(ref int score, ref char nextCell)
        {
            if (nextCell == '.')
            {
                score++;
                nextCell = ' ';
            }
        }
    }
}