#include<iostream>
#include<conio.h>
#include<fstream>
#include<stdlib.h>
using namespace std;
char map[20][20];
char input;
int x = 5;
int y = 5;
char chinput = 'v';
int main() {
    fstream mapfile;
    mapfile.open("mapfile.txt",ios::in);
    for(int xx = 0; xx < 20; xx++) {
        for(int yy = 0; yy < 20; y++)
            mapfile >> map[xx][yy];
    }
    while(true) {
        system("cls");
        for(int xx = 0; xx < 20; xx++) {
            for(int yy = 0; yy < 20; y++)
                cout << map[xx][yy];
                cout << endl;
        }
        map[x][y] = '@';
        input = _getch();
        switch(input) {
        case 'd':
            if(map[y+1][x] == 'G') {
                cout << "YOU REACHED THE GOAL!" << endl;
                cin.get();
                cin.get();
            }
            if(map[y+1][x] != ' ') break;
            map[y][x] = ' ';
            y++;
            map[y][x] = '@';
            break;
        case 'a':
            if(map[y-1][x] == 'G') {
                cout << "YOU REACHED THE GOAL!" << endl;
                cin.get();
                cin.get();
            }
            if(map[y-1][x] != ' ') break;
            map[y][x] = ' ';
            y--;
            map[y][x] = '@';
            break;
        case 'w':
            if(map[y][x+1] == 'G') {
                cout << "YOU REACHED THE GOAL!" << endl;
                cin.get();
                cin.get();
            }
            if(map[y][x+1] != ' ') break;
            map[y][x] = ' ';
            x++;
            map[y][x] = '@';
            break;
        case 's':
            if(map[y][x-1] == 'G') {
                cout << "YOU REACHED THE GOAL!" << endl;
                cin.get();
                cin.get();
            }
            if(map[y][x-1] != ' ') break;
            map[y][x] = ' ';
            x--;
            map[y][x] = '@';
            break;
        }
    }

}