/* Border size of MAX_VEHICLE_PIXEL_xy */

	const int xb = MAX_VEHICLE_PIXEL_X * ZOOM_LVL_BASE;

	const int yb = MAX_VEHICLE_PIXEL_Y * ZOOM_LVL_BASE;

	/* The hash area to scan */

	int xl = GEN_HASHX(x - xb);

	int xu = GEN_HASHX(x);

	int yl = GEN_HASHY(y - yb);

	int yu = GEN_HASHY(y);

	for (int hy = yl;; hy = (hy + GEN_HASHY_INC) & GEN_HASHY_MASK) {

		for (int hx = xl;; hx = (hx + GEN_HASHX_INC) & GEN_HASHX_MASK) {

			Vehicle *v = _vehicle_viewport_hash[hx + hy]; // already masked & 0xFFF

			while (v != nullptr) {

				if ((v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) == 0 &&

					x >= v->coord.left && x <= v->coord.right &&

					y >= v->coord.top && y <= v->coord.bottom) {

					dist = std::max(

						abs(((v->coord.left + v->coord.right) >> 1) - x),

						abs(((v->coord.top + v->coord.bottom) >> 1) - y)

					);

					if (dist < best_dist) {

						found = v;

						best_dist = dist;

					}

				}

				v = v->hash_viewport_next;

			if (hx == xu) break;

		if (hy == yu) break;