#include <iostream>
#include <conio.h>
#include <cstdlib>
#include <windows.h>

using namespace std;

HANDLE colour = GetStdHandle(STD_OUTPUT_HANDLE);

//cursor position
void gotoxy(int x, int y)
{
    COORD c;
    c.X=x-1;
    c.Y=y-1;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),c);
}

//Map dimension
#define MAP_WIDTH 20
#define MAP_HEIGHT 15

//Tile Types
#define TILE_FLOOR 0
#define TILE_WALL 1

// Map declaration
int nMapArray[MAP_HEIGHT][MAP_WIDTH] =
{
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
};
//Draw map
void DrawMap (void)
{
    for(int y=0; y < MAP_HEIGHT; y++)
    {
        gotoxy( 0, y);

        for(int x=0; x < MAP_WIDTH; x++)
        {
            //Draw the tile
            switch (nMapArray[y][x])
            {
            case TILE_FLOOR:
            {
                SetConsoleTextAttribute(colour, 7);
                cout<<".";
                SetConsoleTextAttribute(colour, 15);
                break;
            }
            case TILE_WALL:
            {
                SetConsoleTextAttribute(colour, 8);
                cout<<"#";
                SetConsoleTextAttribute(colour, 15);
                break;
            }
            }
        }
    }
}

int main()
{
    char choose;

    while(choose='2')
    {
menu:
        system("cls");
        SetConsoleTextAttribute(colour, 15);
        cout<<"=========================== Why hello there! ========================" <<endl;
        SetConsoleTextAttribute(colour, 14);
        cout<<" 1. Let's play the game"<<endl;
        cout<<" 2. I'm quitting"<<endl;
        SetConsoleTextAttribute(colour, 15);
        cout<<"=====================================================================" <<endl;
        choose = getch();

        switch(choose)
        {
        case '1':
        {
            //Declare the player's position
            int nPlayerX=4, nPlayerY=4;

            //Main game loop
            while (true)
            {
                //Map drawing
                system("cls");
                DrawMap();

                //Draw the player to the screen
                gotoxy( nPlayerX, nPlayerY);
                SetConsoleTextAttribute(colour, 14);
                cout<<"@"<<"("<<nPlayerX<<","<<nPlayerY<<")";
                SetConsoleTextAttribute(colour, 15);

                //Input
                char input = getch();

                //Processing

                switch(input)
                {
                //Move up
                case 'w':
                    if(nPlayerY<=1)
                        break;
                    else nPlayerY--;
                    break;

                //Move left
                case 'a':
                    if(nPlayerX<=1)
                        break;
                    else nPlayerX--;
                    break;

                //Mode down
                case 's':
                    if(nPlayerY>=14)
                        break;
                    else nPlayerY++;
                    break;

                //Move right
                case 'd':
                    if(nPlayerX>=29)
                        break;
                    else nPlayerX++;
                    break;

                //Main Menu
                case '0':
                    goto menu;

                //Ignore
                default:
                    break;
                }
            }
            system("pause");
        }
        break;
//exit
        case '2':

            cerr<<endl<<"That's not very nice of you."<<endl;
            cout<<endl;
            system("pause");
            exit(0);

            break;
//error
        default:
            cerr<<endl<<"There is no such option. Please try again, it's not that complicated."<<endl;
            cout<<endl;
            system("pause");
            cout<<endl;
            break;

        }
    }
    return 0;
}