GUI2PANEL

/*
 Panel that contains the graphics for the tic tac toe game. Instead
 of using breezy swing, these graphics allow for a better user
 experience. 
*/

import BreezySwing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.Timer;

public class GUI2PANEL extends GBPanel {

	// coordinates for mouse pressing
	private int mouseX;
	private int mouseY;

	// back end instance variables
	private Game game = new Game();
	private Timer timer;
	private Point determined = null;

	// creating panel
	public GUI2PANEL(Color color) {
		setBackground(color);
	}

	// repainting panel every time method is called
	public void paintComponent(Graphics g) {
		super.paintComponent(g);
		Font font = new Font("Verdana", Font.BOLD, 16);
		g.setFont(font);
		g.setColor(Color.gray);

		// drawing board lines
		g.drawLine(155, 20, 155, 545);
		g.drawLine(340, 20, 340, 545);
		g.drawLine(15, 180, 485, 180);
		g.drawLine(15, 375, 485, 375);

		// drawing each individual board
		draw(g, game.print(new Point(0, 0)), 30, 20);
		draw(g, game.print(new Point(0, 1)), 200, 20);
		draw(g, game.print(new Point(0, 2)), 380, 20);
		draw(g, game.print(new Point(1, 0)), 30, 200);
		draw(g, game.print(new Point(1, 1)), 200, 200);
		draw(g, game.print(new Point(1, 2)), 380, 200);
		draw(g, game.print(new Point(2, 0)), 30, 380);
		draw(g, game.print(new Point(2, 1)), 200, 380);
		draw(g, game.print(new Point(2, 2)), 380, 380);

		// drawing box around user's next box
		if (determined != null && determined.getX() != -1) {
			g.setColor(Color.blue);
			if (determined.getX() == 0 && determined.getY() == 0) {
				g.drawLine(12, 30, 135, 30);
				g.drawLine(12, 30, 12, 165);
				g.drawLine(12, 165, 135, 165);
				g.drawLine(135, 165, 135, 30);
			} else if (determined.getX() == 0 && determined.getY() == 1) {
				g.drawLine(180, 30, 311, 30);
				g.drawLine(180, 30, 180, 165);
				g.drawLine(180, 165, 311, 165);
				g.drawLine(311, 165, 311, 30);
			} else if (determined.getX() == 0 && determined.getY() == 2) {
				g.drawLine(359, 30, 482, 30);
				g.drawLine(359, 30, 359, 165);
				g.drawLine(359, 165, 482, 165);
				g.drawLine(482, 165, 482, 30);
			} else if (determined.getX() == 1 && determined.getY() == 0) {
				g.drawLine(12, 205, 135, 205);
				g.drawLine(12, 205, 12, 350);
				g.drawLine(12, 350, 135, 350);
				g.drawLine(135, 350, 135, 205);
			} else if (determined.getX() == 1 && determined.getY() == 1) {
				g.drawLine(180, 204, 306, 204);
				g.drawLine(180, 204, 180, 352);
				g.drawLine(180, 352, 306, 352);
				g.drawLine(306, 352, 306, 204);
			} else if (determined.getX() == 1 && determined.getY() == 2) {
				g.drawLine(359, 204, 482, 204);
				g.drawLine(359, 204, 359, 350);
				g.drawLine(359, 350, 482, 350);
				g.drawLine(482, 350, 482, 204);
			} else if (determined.getX() == 2 && determined.getY() == 0) {
				g.drawLine(20, 393, 128, 393);
				g.drawLine(20, 393, 20, 525);
				g.drawLine(20, 525, 128, 525);
				g.drawLine(128, 525, 128, 393);
			} else if (determined.getX() == 2 && determined.getY() == 1) {
				g.drawLine(178, 393, 307, 393);
				g.drawLine(178, 393, 178, 528);
				g.drawLine(178, 528, 307, 528);
				g.drawLine(307, 528, 307, 393);
			} else if (determined.getX() == 2 && determined.getY() == 2) {
				g.drawLine(362, 394, 480, 394);
				g.drawLine(362, 394, 362, 528);
				g.drawLine(362, 528, 480, 528);
				g.drawLine(480, 528, 480, 394);
			}
		}

	}

	// drawing a string onto the screen
	public void draw(Graphics g, String text, int x, int y) {
		for (String line : text.split("\n"))
			g.drawString(line, x, y += g.getFontMetrics().getHeight());
	}

	// getting row and col from coordinates
	private Point getCoordinates(int num, char way) {
		// padding and board measurements both directions
		int[] horiz = { 31, 23, 27, 27, 92, 23, 27, 27, 100, 23, 27, 27, 70 };
		int[] vert = { 46, 27, 39, 28, 80, 27, 39, 28, 82, 27, 39, 28, 48 };
		int[] choice = {};

		// selecting appropriate board
		if (way == 'h') {
			choice = horiz;
		} else {
			choice = vert;
		}

		int sum = 0;
		int pos = 0;
		// finding where on the board the click was
		for (int i = 0; i < choice.length; i++) {
			sum += choice[i];
			// where sum is greater than click location
			if (sum + 6 > num) {
				pos = i;
				break;
			}
		}

		// transferring click location to point
		switch (pos) {
		case 1:
			return new Point(1, 1);
		case 2:
			return new Point(1, 2);
		case 3:
			return new Point(1, 3);
		case 5:
			return new Point(2, 1);
		case 6:
			return new Point(2, 2);
		case 7:
			return new Point(2, 3);
		case 9:
			return new Point(3, 1);
		case 10:
			return new Point(3, 2);
		case 11:
			return new Point(3, 3);
		case 12:
			return new Point(3, 3);
		}
		return null;
	}

	// method for doing things off click
	public void mousePressed(int x, int y) {
		mouseX = x;
		mouseY = y;
		// converting mouse location to board point
		Point p1 = getCoordinates(mouseX, 'h');
		Point p2 = getCoordinates(mouseY, 'v');
		Point userLarge = null;
		Point userSmall = null;
		int error = 0;

		try {
			userLarge = new Point(p2.getX() - 1, p1.getX() - 1);
			userSmall = new Point(p2.getY() - 1, p1.getY() - 1);
			// if user doesn't click in correct large square
			if ((determined != null && determined.getX() != -1)
					&& (userLarge.getX() != determined.getX() || userLarge.getY() != determined.getY())) {
				throw new Exception();
			}

			// place piece, update, and check winner
			game.placePiece(userLarge, userSmall, 'X');
			repaint();
			if (game.hasWon()) {
				JOptionPane.showMessageDialog(new JFrame(), "YOU WIN!!", "Game over!!", JOptionPane.PLAIN_MESSAGE);
				System.exit(0);
			}
		} catch (Exception e) { // show any errors
			error = 1;
			JOptionPane.showMessageDialog(new JFrame(), "Invalid move!", "Error!", JOptionPane.ERROR_MESSAGE);
		}

		// computer's turn
		if (error == 0) {

			Point[] compMove = game.makeCompMove(userSmall);

			// delay user and computer's moves
			timer = new Timer(1000, new ActionListener() {

				@Override
				public void actionPerformed(ActionEvent e) {
					// place computer's piece
					try {
						game.placePiece(compMove[0], compMove[1], 'O');
					} catch (Exception e2) {
					}

					// update board and check winner
					repaint();
					if (game.hasWon()) {
						JOptionPane.showMessageDialog(new JFrame(), "YOU LOSE!!", "Game over!!",
								JOptionPane.PLAIN_MESSAGE);
						System.exit(0);
					}

					// determined user's next move
					Point userLarge2 = game.determineLargePos(compMove[1]);
					determined = userLarge2;

					timer.stop();
				}
			});
			timer.start();
		}

	}

}