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

using namespace std;

int running=0;
int initvar=0;
int dir=2;
int xpos = 39, ypos = 13;
int oldxpos, oldypos;
int draw=1;
int lives=3;


void sleep(unsigned int mseconds)
{
    clock_t goal = mseconds + clock();
    while (goal > clock());
}

void gotoxy(int x, int y)
{
	HANDLE hConsoleOutput;
	COORD dwCursorPosition;
	dwCursorPosition.X = x;
	dwCursorPosition.Y = y;
	hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorPosition(hConsoleOutput,dwCursorPosition);
}

void init()
{
	for (int i=0; i < 80; i++) {
		for (int j=0; j < 25; j++) {
			gotoxy(i,j);
			cout<<" ";
		}
	}
}

void draw_status()
{
	for (int i=0; i < 80; i++) 
	{
		gotoxy(i,1);
		cout<<"-";
	}
}

int main()
{
	if (initvar==0) 
	{
		init();
		initvar=1;
		draw_status();
	}
	while(running != 1) 
	{
		if (_kbhit()) 
		{
			int ch = getch();
			oldxpos = xpos;
			oldypos = ypos;
			switch(ch) 
			{
				case 27 :
					{
						running = 1; 
						break;
					}
				case 72 : 
					{
						if (ypos > 3) ypos--;
						dir=8;
						draw = 1;
						break;
					}
				case 75 : 
					{
						if (xpos > 1) xpos--; 
						dir=4;
						draw = 1;
						break;
					}
				case 77 : 
					{
						if (xpos < 78) xpos++;
						dir=6;
						draw = 1;
						break;
					}
				case 80 : 
					{
						if (ypos < 23) ypos++; 
						dir=2;
						draw = 1;
						break;
					}
				case 224 : 
					{
						break;
						//do nothing
					}
				default : 
					{
						//cout<<ch;
						break;
					}
			}
			
		}
		if (draw == 1) {
			gotoxy(oldxpos-1,oldypos-1);
			cout<<"   ";
			gotoxy(oldxpos-1,oldypos);
			cout<<"   ";
			gotoxy(oldxpos-1,oldypos+1);
			cout<<"   ";
			gotoxy(0,0);
			cout<<"       ";
			gotoxy(0,0);
			cout<<xpos <<"," <<ypos;
			switch(dir)
			{
			case 8 :
				{
					gotoxy(xpos-1,ypos-1);
					cout<<"\"|\"";
					gotoxy(xpos-1,ypos);
					cout<<"\"O\"";
					gotoxy(xpos-1,ypos+1);
					cout<<"\" \"";
					break;
				}
			case 4 :
				{
					gotoxy(xpos-1,ypos-1);
					cout<<"===";
					gotoxy(xpos-1,ypos);
					cout<<"-O ";
					gotoxy(xpos-1,ypos+1);
					cout<<"===";
					break;
				}
			case 6 :
				{
					gotoxy(xpos-1,ypos-1);
					cout<<"===";
					gotoxy(xpos-1,ypos);
					cout<<" O-";
					gotoxy(xpos-1,ypos+1);
					cout<<"===";
					break;
				}
			case 2 :
				{
					gotoxy(xpos-1,ypos-1);
					cout<<"\" \"";
					gotoxy(xpos-1,ypos);
					cout<<"\"O\"";
					gotoxy(xpos-1,ypos+1);
					cout<<"\"|\"";
					break;
				}
			}
			gotoxy(0,0);
			draw = 0;
		}
		sleep(5);
	}
	init();
	return 0;
}