Showing x when a move to certain position is impossible, showing o when it is fine. Adding Board.findMove method to keep the allowed move logic.
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24 * Portions Copyrighted 2009 Jaroslav Tulach
26 package cz.xelfi.quoridor.visidor;
28 import cz.xelfi.quoridor.Board;
29 import cz.xelfi.quoridor.Fence;
30 import cz.xelfi.quoridor.Fence.Orientation;
31 import cz.xelfi.quoridor.IllegalPositionException;
32 import cz.xelfi.quoridor.Move;
33 import cz.xelfi.quoridor.Player;
34 import java.awt.Color;
35 import java.awt.Dimension;
36 import java.awt.EventQueue;
38 import java.awt.Graphics;
39 import java.awt.Graphics2D;
40 import java.awt.Rectangle;
41 import java.awt.event.MouseEvent;
42 import java.awt.event.MouseMotionListener;
43 import java.awt.image.BufferedImage;
44 import javax.swing.JFrame;
45 import javax.swing.JPanel;
49 * @author Jaroslav Tulach <jtulach@netbeans.org>
51 final class Viewer extends JPanel implements MouseMotionListener {
53 private int fieldSize;
56 private Orientation lastOrientation;
62 private Viewer(Board b) {
64 addMouseMotionListener(this);
69 * @param args the command line arguments
71 public static void main(String[] args) throws IllegalPositionException {
72 Board b = Board.empty();
73 for (int i = 1; i <= 8; i++) {
74 b = b.apply(Move.fence('A', i, Orientation.values()[i % 2]));
76 for (int i = 1; i <= 8; i++) {
77 b = b.apply(Move.fence('H', i, Orientation.values()[(i + 1) % 2]));
80 JFrame f = new JFrame();
81 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
88 public Dimension getPreferredSize() {
89 return new Dimension(450, 450);
93 protected void paintComponent(Graphics gg) {
94 assert EventQueue.isDispatchThread();
96 fieldSize = Math.min(getSize().width, getSize().height) / 9;
97 int fifth = fieldSize / 10;
98 Graphics2D g = (Graphics2D) gg;
100 xdelta = (getSize().width - fieldSize * 9) / 2;
101 ydelta = (getSize().height - fieldSize * 9) / 2;
103 g.translate(xdelta, ydelta);
105 g.setColor(Color.lightGray);
106 for (int i = 0; i < 9; i++) {
107 for (int j = 0; j < 9; j++) {
108 final Rectangle r = new Rectangle(i * fieldSize, j * fieldSize, fieldSize, fieldSize);
109 g.fillRect(r.x + fifth, r.y + fifth, r.width - fifth * 2, r.height - fifth * 2);
114 g.setColor(Color.BLACK);
115 for (Fence f : board.getFences()) {
116 int column = (f.getColumn() - 'A') + 1;
117 int row = 9 - f.getRow();
118 Orientation orient = f.getOrientation();
119 drawFence(orient, column, row, g, true);
123 Color[] colors = { Color.WHITE, Color.BLACK, Color.ORANGE, Color.MAGENTA };
124 for (Player p : board.getPlayers()) {
125 int column = p.getColumn();
126 int row = 8 - p.getRow();
127 final boolean isCurrent = p == board.getCurrentPlayer();
128 final Color currentColor = colors[cnt];
129 drawPlayer(g, column, row, currentColor, isCurrent, false);
133 g.setColor(Color.BLACK);
134 final Font f = new Font("Monospace", Font.BOLD, fifth * 2);
136 for (int i = 0; i < 8; i++) {
137 final char ch = (char) ('A' + i);
138 g.drawString(Character.toString(ch), i * fieldSize + fieldSize - fifth, fifth + f.getSize() - f.getBaselineFor(ch));
140 for (int i = 0; i < 8; i++) {
141 String s = "" + (8 - i);
142 g.drawString(s, fifth, i * fieldSize + fieldSize - fifth + f.getSize() - f.getBaselineFor(s.charAt(0)));
146 private void drawPlayer(Graphics2D g, int column, int row, final Color currentColor, final boolean isCurrent, boolean allowedMove) {
147 int fifth = fieldSize / 10;
148 int diametr = fieldSize - fifth * 4;
149 final Rectangle r = new Rectangle(
150 column * fieldSize + 2 * fifth,
151 row * fieldSize + 2 * fifth,
155 if (currentColor == null) {
157 g.setColor(Color.BLACK);
158 g.drawOval(r.x, r.y, r.width, r.height);
160 g.drawLine(r.x, r.y, r.x + r.width, r.y + r.height);
161 g.drawLine(r.x, r.y + r.height, r.x + r.width, r.y);
164 g.setColor(currentColor);
165 g.fillOval(r.x, r.y, r.width, r.height);
167 g.setColor(Color.lightGray);
168 g.fillOval(r.x + r.width / 3, r.y + r.height / 3, r.width / 3, r.height / 3);
173 private void drawFence(Orientation orient, int column, int row, Graphics2D g, boolean fill) throws IllegalStateException {
174 int fifth = fieldSize / 10;
177 case HORIZONTAL: w = fieldSize - fifth; h = fifth; break;
178 case VERTICAL: w = fifth; h = fieldSize - fifth; break;
179 default: throw new IllegalStateException();
181 Rectangle r = new Rectangle(
182 column * fieldSize - w,
194 public void mouseDragged(MouseEvent e) {
197 public void mouseMoved(MouseEvent e) {
198 int x = Math.round(((float)(e.getX() - xdelta)) / fieldSize);
199 int y = Math.round(((float)(e.getY() - ydelta)) / fieldSize);
200 if (x <= 0 || x >= 9) {
203 if (y <= 0 || y >= 9) {
207 BufferedImage img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
208 final Graphics2D d2 = img.createGraphics();
209 d2.setBackground(getBackground());
210 d2.clearRect(0, 0, getWidth(), getHeight());
214 int dx = (e.getX() - xdelta) % fieldSize;
215 int dy = (e.getY() - ydelta) % fieldSize;
217 int fifth = fieldSize / 10;
218 boolean outOfX = dx > fifth && dx < fieldSize - fifth;
219 boolean outOfY = dy > fifth && dy < fieldSize - fifth;
220 if (outOfX && outOfY) {
221 x = (e.getX() - xdelta) / fieldSize;
222 y = (e.getY() - ydelta) / fieldSize;
223 Move m = board.findMove(board.getCurrentPlayer(), x, 8 - y);
225 drawPlayer(d2, x, y, null, false, false);
227 drawPlayer(d2, x, y, null, false, true);
229 getGraphics().drawImage(img, 0, 0, null);
232 if (!outOfX && !outOfY) {
233 if (lastOrientation == null) {
238 lastOrientation = Orientation.HORIZONTAL;
240 lastOrientation = Orientation.VERTICAL;
245 Board newBoard = board.apply(Move.fence((char)('A' + x - 1), 9 - y, lastOrientation));
246 drawFence(lastOrientation, x, y, d2, true);
247 } catch (IllegalPositionException ex) {
249 drawFence(lastOrientation, x, y, d2, false);
253 getGraphics().drawImage(img, 0, 0, null);