Function ScrollMainWindowTo

src/smallmap_gui.cpp:2078–2092

* Scrolls the main window to given coordinates. * @param x x coordinate * @param y y coordinate * @param z z coordinate; -1 to scroll to terrain height * @param instant scroll instantly (meaningful only when smooth_scrolling is active) * @return did the viewport position change? */

 * @return did the viewport position change?
 */
bool ScrollMainWindowTo(int x, int y, int z, bool instant)
{
	bool res = ScrollWindowTo(x, y, z, GetMainWindow(), instant);

	/* If a user scrolls to a tile (via what way what so ever) and already is on
	 * that tile (e.g.: pressed twice), move the smallmap to that location,
	 * so you directly see where you are on the smallmap. */

	if (res) return res;

	SmallMapWindow *w = dynamic_cast<SmallMapWindow*>(FindWindowById(WC_SMALLMAP, 0));
	if (w != nullptr) w->SmallMapCenterOnCurrentPos();

	return res;
}

/**
 * Determine the middle of a station in the smallmap window.