* the NewGRF's internal ID to OpenTTD's ID whereas for the choice lists we map

	 * the genders/cases/plural OpenTTD IDs to the NewGRF's internal IDs. In this

	 * case a NewGRF developer/translator might want a different translation for

	 * both cases. Thus we are basically implementing a multi-map. */

	std::vector<Mapping> gender_map; ///< Mapping of NewGRF and OpenTTD IDs for genders.

	std::vector<Mapping> case_map;   ///< Mapping of NewGRF and OpenTTD IDs for cases.

	int GetMapping(int newgrf_id, bool gender) const;

	int GetReverseMapping(int openttd_id, bool gender) const;

	static const LanguageMap *GetLanguageMap(uint32 grfid, uint8 language_id);

};