quest17

using System;
using System.Collections.Generic;
using System.IO;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.CursorVisible = false;

            bool haveItem = false;

            int playerX, playerY;
            char[,] map = CreateMap("map", out playerX, out playerY);

            PaintMap(map);

            while (true)
            {
                Console.SetCursorPosition(playerX, playerY);

                if (Console.KeyAvailable)
                {
                    ConsoleKeyInfo key = Console.ReadKey(true);
                    SelectoinActoinByKeyPressed(key, ref playerX, ref playerY, ref haveItem, map);
                }
            }
        }

        static void SelectoinActoinByKeyPressed(ConsoleKeyInfo key, ref int playerX, ref int playerY, ref bool haveItem, char[,] map)
        {
            Dictionary<char, int[]> MoveKey = new Dictionary<char, int[]>
            {
                ['w'] = new int[] { 0, -1 },
                ['s'] = new int[] { 0, 1 },
                ['d'] = new int[] { 1, 0 },
                ['a'] = new int[] { -1, 0 }
            };

            if (key.KeyChar != ' ' & MoveKey.TryGetValue(key.KeyChar,out int[] value))
            {
                if (map[playerY + MoveKey[key.KeyChar][1], playerX + MoveKey[key.KeyChar][0]] != '#')
                {

                        Move(ref playerX, ref playerY, MoveKey[key.KeyChar], '$');
                        SymvolOnLastPozition(playerX, playerY, map, MoveKey[key.KeyChar]);
                }
            }
            else if (key.KeyChar == ' ')
            {
                if (haveItem)
                {
                    PutItem(map, playerX, playerY, ref haveItem);
                }
                else
                {
                    TakeItem(map, playerX, playerY, ref haveItem);
                }
            }
        }

        static void Move(ref int playerX, ref int playerY, int[] deltas, char symvol)
        {
                Console.SetCursorPosition(playerX, playerY);
                playerX += deltas[0];
                playerY += deltas[1];
                Console.SetCursorPosition(playerX, playerY);
                Console.Write(symvol);
        }

        static void SymvolOnLastPozition(int playerX,int playerY,char[,] map, int[] deltas)
        {
            Console.SetCursorPosition(playerX-deltas[0], playerY - deltas[1]);
            if (map[playerY - deltas[1], playerX- deltas[0]] != '&')
            {
                Console.Write(" ");
            }
            else
            {
                Console.Write("&");
            }
            Console.SetCursorPosition(playerX, playerY);
        }

        static void TakeItem(char[,] map, int playerX, int playerY, ref bool haveItem)
        {
            if (map[playerY, playerX] == '&')
            {
                map[playerY, playerX] = ' ';
                haveItem = true;
            }
            else
            {
                Console.SetCursorPosition(60, 0);
                Console.WriteLine("Здесь ничего нет");
                Console.SetCursorPosition(playerX, playerY);
            }
        }

        static void PutItem(char[,] map, int playerX, int playerY, ref bool haveItem)
        {
            if (map[playerY, playerX] != '&')
            {
                map[playerY, playerX] = '&';
                haveItem = false;
            }
            else if (map[playerY, playerX] == '&')
            {
                Console.SetCursorPosition(60, 0);
                Console.WriteLine("Здесь уже что-то лежит");
                Console.SetCursorPosition(playerX, playerY);
            }
        }

        static void PaintMap(char[,] map)
        {
            for (int i = 0; i < map.GetLength(0); i++)
            {
                for (int j = 0; j < map.GetLength(1); j++)
                {
                    Console.Write(map[i, j]);
                }
                Console.WriteLine();
            }
        }

        static char[,] CreateMap(string fileName, out int playerX, out int playerY)
        {
            playerY = 0;
            playerX = 0;

            string[] file = File.ReadAllLines($"Maps/{fileName}.txt");
            char[,] map = new char[file.Length, file[0].Length];

            for (int i = 0; i < file.Length; i++)
            {
                for (int j = 0; j < file[0].Length; j++)
                {
                    map[i, j] = file[i][j];
                    if (map[i, j] == '$')
                    {
                        playerY = i;
                        playerX = j;
                    }
                }
            }
            return map;
        }
    }
}