import java.util.*;
import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.*;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.applet.*;
import java.awt.event.MouseAdapter;
import java.awt.event.*;
import java.awt.geom.*;

public class GDL extends Applet implements MouseListener,MouseMotionListener
{
    int riga = 10;
    int colonna = 10;
    boolean[][] cellule = new boolean[riga][colonna];
    int[][] vicini = new int[riga][colonna];

    int[] dr = {-1,-1,-1,0,1,1,1,0};
    int[] dc = {-1,0,1,1,1,0,-1,-1};
    int cnt;

    public void init()
    {
        //registro ascoltatori
        this.addMouseListener(this);
        this.addMouseMotionListener(this);

        //Percorro ogni cella e la imposto su morta
        for(int i = 0; i < riga; i++)
        {
            for(int j = 0; j < colonna; j++)
            {
                cellule[i][j] = false;
            }
        }

        //Percorro ogni vicino
        for(int i = 0; i < riga; i++)
        {
            for(int j = 0; j < colonna; j++)
            {
                vicini[i][j] = 0;
            }
        }
    }

    public void mousePressed(MouseEvent e)
    {}

    public void mouseClicked(MouseEvent e)
    {}

    public void mouseEntered(MouseEvent e){}

    public void mouseExited(MouseEvent e){}

    public void mouseMoved(MouseEvent e){}

    public void mouseDragged(MouseEvent e){}

    public void mouseReleased(MouseEvent e){}

    public void controllaVicini()
    {
        //Verifico che esistano i vicini
        for(int i = 0; i < riga; i++)
        {
            for(int j = 0; j < colonna; j++)
            {
                cnt = 0;
                for(int z = 0; z < 8; z++)
                {
                    try
                    {
                        if(cellule[i + dr[z]][j + dc[z]])
                        {
                            cnt++;
                        }
                    }
                    catch(ArrayIndexOutOfBoundsException e){};
                }
                //Applico le regole del gioco
                if ((cnt == 3 || cnt == 2) && cellule[riga][colonna] = true)
                {
                    cellule[riga][colonna] = false;
                }
                else if(cnt == 3 && cellule[riga][colonna] == false)
                {
                    cellule[riga][colonna] = true;
                }
                else
                {
                    cellule[riga][colonna] = false;
                }
                return cellule[riga][colonna];
            }
        }
    }

    public void paint(Graphics g)
    {
    }
}