Function ShowBuildRailToolbar

src/rail_gui.cpp:923–932

* Open the build rail toolbar window for a specific rail type. * * If the terraform toolbar is linked to the toolbar, that window is also opened. * * @param railtype Rail type to open the window for * @return newly opened rail toolbar, or nullptr if the toolbar could not be opened. */

 * @return newly opened rail toolbar, or nullptr if the toolbar could not be opened.
 */
Window *ShowBuildRailToolbar(RailType railtype)
{
	if (!Company::IsValidID(_local_company)) return nullptr;
	if (!ValParamRailType(railtype)) return nullptr;

	CloseWindowByClass(WC_BUILD_TOOLBAR);
	_cur_railtype = railtype;
	_remove_button_clicked = false;
	return new BuildRailToolbarWindow(_build_rail_desc, railtype);
}

/* TODO: For custom stations, respect their allowed platforms/lengths bitmasks!
 * --pasky */