Function ShowSelectRailWaypointIfNeeded

src/station_gui.cpp:2485–2488

* Show the rail waypoint selection window when needed. If not, build the waypoint. * @param ta Area to build the waypoint in * @param proc Function called to execute the build command. */

 * @param proc Function called to execute the build command.
 */
void ShowSelectRailWaypointIfNeeded(TileArea ta, StationPickerCmdProc proc)
{
	ShowSelectBaseStationIfNeeded<RailWaypointTypeFilter>(ta, std::move(proc));
}

/**
 * Show the road waypoint selection window when needed. If not, build the waypoint.