private static void drawChain(
GrandFinale.Graph g, GrandFinale.Node n, List<GrandFinale.Node> ignore) {
MazeGridPanel panel = getPanel();
Color c = panel.getGraphics().getColor();
Graphics2D g2 = (Graphics2D) panel.getGraphics();
Font fOld = g2.getFont();
g2.setFont(new Font("Arial", Font.BOLD, fOld.getSize()));
ignore.add(n);
Set<GrandFinale.Edge> edges = g.getEdges(n);
if (edges == null) {
return;
}
for (GrandFinale.Edge e : edges) {
GrandFinale.Node b = e.other(n);
if (ignore.contains(b)) {
continue;
}
int hs = b.hashCode();
g2.setColor(new Color(((hs << 13) + (hs << 5) + hs) & 0xFFFFFFFF));
g2.setStroke(new BasicStroke(5));
Point pos1 = offset(panel, n.getPoint(), 2, 2);
Point pos2 = offset(panel, b.getPoint(), 2, 2);
g2.draw(new Line2D.Float(pos1.x, pos1.y, pos2.x, pos2.y));
g2.setColor(Color.red);
Point p = new Point((pos1.x + pos2.x) / 2, (pos1.y + pos2.y) / 2);
g2.drawString(String.valueOf(e.getWeight()), p.x, p.y);
ignore.add(b);
drawChain(g, b, ignore);
}
g2.setFont(fOld);
g2.setColor(c);
}
public static void drawGraph(GrandFinale.Graph g, IRobot r) {
if (!enable.getState()) {
return;
}
drawChain(g, g.getNodeAt(r.getMaze().getStart()), new ArrayList<>());
}