Function SerialiseNewsReference

src/news_gui.cpp:920–933

* Encode a NewsReference for serialisation, e.g. for writing in the crash log. * @param reference The reference to serialise. * @return Reference serialised into a single uint32_t. */

 * @return Reference serialised into a single uint32_t.
 */
uint32_t SerialiseNewsReference(const NewsReference &reference)
{
	struct visitor {
		uint32_t operator()(const std::monostate &) { return 0; }
		uint32_t operator()(const TileIndex &t) { return t.base(); }
		uint32_t operator()(const VehicleID v) { return v.base(); }
		uint32_t operator()(const StationID s) { return s.base(); }
		uint32_t operator()(const IndustryID i) { return i.base(); }
		uint32_t operator()(const TownID t) { return t.base(); }
		uint32_t operator()(const EngineID e) { return e.base(); }
	};

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

/**
 * Create a new custom news item.