JForza4

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.geom.*;
 
public class JForza4 extends JApplet
{	
	public JForza4()
	{
		setSize(500, 500);
 
		add(new Forza4Pan());
	}
}
 
class Forza4Pan extends JPanel
{
	Rectangle2D[] rect = null;
	Ellipse2D[][] ell = null;
	Color[][] colell = null;
	Color[] colore = null;
	int[][] mg = null;
	int[] x = null;
	int user = 0;
	boolean wins = false;
 
	public Forza4Pan()
	{
		rect = new Rectangle2D[7];
		ell = new Ellipse2D[6][7];
		colell = new Color[6][7];
		colore = new Color[7];
		for (int i=0; i<colore.length; i++)
			colore[i] = new Color(0, 0, 0, .1f);
		mg = new int[6][7];
		x = new int[7];
 
		for (int i=0; i<x.length; i++) x[i] = 0;
		for (int i=0; i<colell.length; i++)
			for (int j=0; j<colell[i].length; j++)
				colell[i][j] = Color.black;
 
		init();
 
		addMouseMotionListener(new MouseMotionAdapter()
		{
			public void mouseMoved(MouseEvent e)
			{
				for (int i=0; i<rect.length; i++)
					if (rect[i].contains(e.getPoint()))
						colore[i] = new Color(.2f, .2f, .6f, .3f);
					else
						colore[i] = new Color(0, 0, 0, .1f);
				repaint();
			}
		});
 
		addMouseListener(new MouseAdapter()
		{
			public void mousePressed(MouseEvent e)
			{
				if (!wins)
				{
					user++;
					for (int i=0; i<rect.length; i++)
					{
						if (rect[i].contains(e.getPoint()))
						{
							if (x[i] < 6) x[i]++;
							mg[x.length - x[i]-1][i] = (user%2==0) ? 1 : 2;
							ell[x.length - x[i]-1][i] = new Ellipse2D.Double(i*getHeight()/7 + 2, (x.length-x[i]-1)*getWidth()/6 + 2, getWidth()/7 - 4, getHeight()/6 - 4);
							colell[x.length - x[i]-1][i] = (user%2==0) ? Color.red : Color.yellow;
						}
					}
					printMat();
					if (checkMat()) wins = true;
					repaint();
				}
			}
		});
	}
 
	public void init()
	{
		for (int y=0; y<mg.length; y++)
			for (int x=0; x<mg[y].length; x++)
				mg[y][x] = 0;
	}
 
	public void printMat()
	{
		for (int y=0; y<mg.length; y++)
			for (int x=0; x<mg[y].length; x++)
				if (x < mg[y].length-1)
					System.out.printf("%2d", mg[y][x]);
				else
					System.out.printf("%2dn", mg[y][x]);
	}
 
	public boolean checkMat()
	{
		for (int y=0; y<mg.length-4; y++)
		{
			for (int x=0; x<mg[y].length - 4; x++)
			{
				int win = checkSubMat(x, y);
				if (win == 1) System.out.println("ha vinto il rosso");
				else if (win == 2) System.out.println("ha vinto il giallo");
 
				if (win != 0) return true;
			}
		}
		return false;
	}
 
	public int checkSubMat(int j, int i)
	{
		for (int y=i; y<i+4; y++)
		{
			int Xw = 0, Ow = 0;
			for (int x=j; x<j+4; x++)
			{
				if (mg[y][x] == 1) Xw++;
				else if (mg[y][x] == 2) Ow++;
			}
			if (Xw == 4) return 1;
			else if (Ow == 4) return 2;
		}
 
		for (int y=i; y<i+4; y++)
		{
			int Xw = 0, Ow = 0;
			for (int x=j; x<j+4; x++)
			{
				if (mg[x][y] == 1) Xw++;
				else if (mg[x][y] == 2) Ow++;
			}
			if (Xw == 4) return 1;
			else if (Ow == 4) return 2;
		}
 
		int Xw1 = 0, Ow1 = 0;
		int Xw2 = 0, Ow2 = 0;
		for (int y=i; y<i+4; y++)
		{
			if (mg[y][y] == 1) Xw1++;
			else if (mg[y][y] == 2) Ow1++;
			if (mg[4-y][y] == 1) Xw2++;
			else if (mg[4-y][y] == 2) Ow2++;
		}
		System.out.println(Xw1+" - "+Ow1+" - "+Xw2+" - "+Ow2);
		if (Xw1 == 4) return 1;
		if (Ow1 == 4) return 2;
		if (Xw2 == 4) return 1;
		if (Ow2 == 4) return 2;
 
		return 0;
	}
 
	public void paint(Graphics _g)
	{
		Graphics2D g = (Graphics2D)_g;
 
		g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
 
		super.paintComponent(g);
 
		g.setPaint(new GradientPaint(0, 0, new Color(.2f, .2f, .5f), getWidth(), getHeight(), new Color(.3f, .3f, .5f)));
		g.fillRect(0, 0, getWidth(), getHeight());
 
		for (int i=0; i<rect.length; i++)
		{
			rect[i] = new Rectangle2D.Double(i*(getWidth()/7), 0, getWidth()/7, getHeight());
			g.setColor(colore[i]);
			g.fill(rect[i]);
		}
 
		for (int y=0; y<6; y++)
			for (int x=0; x<7; x++)
			{
				g.setColor(Color.black);
				Ellipse2D ell = new Ellipse2D.Double(x*(getWidth()/7) + 5, y*(getHeight()/6) + 5, getWidth()/7 - 10, getHeight()/6 - 10);
				g.draw(ell);
				if (this.ell[y][x] != null)
				{
					g.setColor(colell[y][x]);
					g.fill(this.ell[y][x]);
				}
			}
 
		if (wins)
		{
			g.setColor(new Color(0, 0, 0, .4f));
			g.fillRect(0, 0, getWidth(), getHeight());
			Font f = new Font("Arial", Font.BOLD, 80);
			FontMetrics fm = g.getFontMetrics(f);
			g.setPaint(new GradientPaint(getWidth()/2 - fm.stringWidth("Hai Vinto!!!")/2,getHeight()/2 - fm.getHeight()/2, Color.yellow, fm.stringWidth("Hai Vinto!!!"), fm.getHeight(), Color.green));
			g.setFont(f);
			g.drawString("Hai Vinto!!!", getWidth()/2 - fm.stringWidth("Hai Vinto!!!")/2, getHeight()/2 - fm.getHeight()/2);
		}
	}
}