static Route*
mouse2route(Mouse m)
{
Point p, q;
Route *r;
p = subpt(m.xy, screen->r.min);
p.x /= BoardX;
p.y /= BoardY;
q = subpt(p, level.glenda);
// fprint(2, "x=%d y=%d\n", q.x, q.y);
if (q.x == 0 && q.y == 0)
return nil;
if (q.x == 0 || q.y == 0) {
if (q.x < 0)
r = extend(nil, Left, -q.x, Pt(level.glenda.x, p.y));
else if (q.x > 0)
r = extend(nil, Right, q.x, Pt(level.glenda.x, p.y));
else if (q.y < 0)
r = extend(nil, Up, -q.y, level.glenda);
else if (q.y > 0)
r = extend(nil, Down, q.y, level.glenda);
else
r = nil;
if (r != nil && isvalid(level.glenda, r, validpush))
return r;
freeroute(r);
}
return findroute(level.glenda, p);
}
void
stopanimation(Animation *a)
{
if (a == nil)
return;
if (a->route != nil)
freeroute(a->route);
memset(a, 0, sizeof(Animation));
}
