private void movePathPoint(PathPoint pp, int x, int y, boolean snap) {
if (snap) {
int sx = path.get(PPath.SNAP_X);
int sy = path.get(PPath.SNAP_Y);
pp.setX(negDiv(x + sx / 2, sx) * sx);
pp.setY(negDiv(y + sy / 2, sy) * sy);
} else {
pp.setX(x);
pp.setY(y);
}
}
@Override
protected void validate() {
if (segment == null) {
PathPoint p = path.points.get(0);
PathPoint p2 = path.points.get(1);
int x = p.getX();
int y = p.getY();
calculatePoints(x, y, Math.atan2(y - p2.getY(), p2.getX() - x));
} else {
segment.validate();
if (path.get(PPath.CLOSED)) {
int i = segment.px.length - 1;
int x = segment.px[i];
int y = segment.py[i];
int i2 = i - 1;
while (i2 > 0 && sqrdist(segment.px[i2] - x, segment.py[i2] - y) < 4) i2--;
calculatePoints(
x + segment.bounds.x,
y + segment.bounds.y,
Math.atan2(segment.py[i2] - y, x - segment.px[i2]));
} else {
int x = segment.px[0];
int y = segment.py[0];
int i = 1;
while (i < segment.px.length - 1 && sqrdist(segment.px[i] - x, segment.py[i] - y) < 4)
i++;
calculatePoints(
x + segment.bounds.x,
y + segment.bounds.y,
Math.atan2(y - segment.py[i], segment.px[i] - x));
}
}
Rectangle bounds = new Rectangle(-1, -1);
for (int i = 0; i < 4; i++) bounds.add(px[i], py[i]);
for (int i = 0; i < 4; i++) {
px[i] -= bounds.x;
py[i] -= bounds.y;
}
setBounds(bounds);
}
protected void calculateBounds() {
bounds.setLocation(point.getX() - HPS, point.getY() - HPS);
}
private void mouseEvent(MouseEvent e) {
Point p = e.getPoint().getLocation();
componentToVisual(p);
int s = POINT_MOUSE_RANGE - POINT_SIZE / 2 + 1;
Iterator<Visual> vi = binVisual.intersect(new Rectangle(p.x - s, p.y - s, 2 * s, 2 * s));
PathPoint ppOver = null;
int posd = POINT_MOUSE_RANGE * POINT_MOUSE_RANGE;
while (vi.hasNext()) {
Visual v = vi.next();
if (v instanceof PointVisual) {
PathPoint pp = ((PointVisual) v).point;
int xd = pp.getX() - p.x;
int yd = pp.getY() - p.y;
int sd = xd * xd + yd * yd;
if (sd <= posd) {
ppOver = pp;
posd = sd;
break;
}
}
}
switch (e.getID()) {
case MouseEvent.MOUSE_PRESSED:
ppPressed = ppOver;
switch (e.getButton()) {
case MouseEvent.BUTTON1:
if (ppOver == null) {
PathPoint pp = properties.get(PPathEditor.SELECTED_POINT);
ppOver = new PathPoint(p.x, p.y, pp == null ? 100 : pp.getSpeed());
if ((e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) == 0)
movePathPoint(ppOver, p.x, p.y, true);
path.points.add(ppOver);
ppPressed = ppOver;
} else if ((e.getModifiersEx() & MouseEvent.SHIFT_DOWN_MASK) != 0) {
int i = path.points.indexOf(ppOver);
ppOver = new PathPoint(ppOver.getX(), ppOver.getY(), ppOver.getSpeed());
path.points.add(i, ppOver);
ppPressed = ppOver;
}
properties.put(PPathEditor.SELECTED_POINT, ppOver);
dragging = true;
dragOffset = p.getLocation();
dragOffset.translate(-ppOver.getX(), -ppOver.getY());
break;
}
break;
case MouseEvent.MOUSE_DRAGGED:
if (dragging) {
lockBounds();
PathPoint pp = properties.get(PPathEditor.SELECTED_POINT);
if (pp == null) {
ppPressed = null;
dragging = false;
unlockBounds();
break;
}
movePathPoint(
pp,
p.x - dragOffset.x,
p.y - dragOffset.y,
(e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) == 0);
} else if (ppPressed != ppOver) ppPressed = null;
break;
case MouseEvent.MOUSE_RELEASED:
switch (e.getButton()) {
case MouseEvent.BUTTON1:
dragging = false;
unlockBounds();
break;
case MouseEvent.BUTTON3:
if (dragging) {
dragging = false;
unlockBounds();
} else if (ppPressed != null) path.points.remove(ppPressed);
break;
}
ppPressed = null;
}
}