Function FiosGetScenarioListCallback

src/fios.cpp:441–459

* Callback for FiosGetFileList. It tells if a file is a scenario or not. * @param fop Purpose of collecting the list. * @param file Name of the file to check. * @param ext A pointer to the extension identifier inside file * @return a FIOS_TYPE_* type of the found file, FIOS_TYPE_INVALID if not a scenario and the title of the file (if any). * @see FiosGetFileList * @see FiosGetScenarioList *

 * @see FiosGetScenarioList
 */
std::tuple<FiosType, std::string> FiosGetScenarioListCallback(SaveLoadOperation fop, std::string_view file, std::string_view ext)
{
	/* Show scenario files
	 * .SCN OpenTTD style scenario file
	 * .SV0 Transport Tycoon Deluxe (Patch) scenario
	 * .SS0 Transport Tycoon Deluxe preset scenario */
	if (StrEqualsIgnoreCase(ext, ".scn")) {
		return { FIOS_TYPE_SCENARIO, GetFileTitle(file, SCENARIO_DIR) };

	}

	if (fop == SLO_LOAD) {
		if (StrEqualsIgnoreCase(ext, ".sv0") || StrEqualsIgnoreCase(ext, ".ss0")) {
			return { FIOS_TYPE_OLD_SCENARIO, GetOldSaveGameName(file) };
		}
	}

	return { FIOS_TYPE_INVALID, {} };
}

/**
 * Get a list of scenarios.