Function GetReferenceTile

src/news_gui.cpp:89–102

* Get the position a news-reference is referencing. * @param reference The reference. * @return A tile for the referenced object, or INVALID_TILE if none. */

 * @return A tile for the referenced object, or INVALID_TILE if none.
 */
static TileIndex GetReferenceTile(const NewsReference &reference)
{
	struct visitor {
		TileIndex operator()(const std::monostate &) { return INVALID_TILE; }
		TileIndex operator()(const TileIndex &t) { return t; }
		TileIndex operator()(const VehicleID) { return INVALID_TILE; }
		TileIndex operator()(const StationID s) { return Station::Get(s)->xy; }
		TileIndex operator()(const IndustryID i) { return Industry::Get(i)->location.tile + TileDiffXY(1, 1); }
		TileIndex operator()(const TownID t) { return Town::Get(t)->xy; }
		TileIndex operator()(const EngineID) { return INVALID_TILE; }
	};

	return std::visit(visitor{}, reference);
}

/* Normal news items. */
static constexpr std::initializer_list<NWidgetPart> _nested_normal_news_widgets = {