Function FiosGetSavegameListCallback

src/fios.cpp:392–412

* Callback for FiosGetFileList. It tells if a file is a savegame 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 savegame, and the title of the file (if any). * @see FiosGetFileList * @see FiosGetSavegameList

 * @see FiosGetSavegameList
 */
std::tuple<FiosType, std::string> FiosGetSavegameListCallback(SaveLoadOperation fop, std::string_view file, std::string_view ext)
{
	/* Show savegame files
	 * .SAV OpenTTD saved game
	 * .SS1 Transport Tycoon Deluxe preset game
	 * .SV1 Transport Tycoon Deluxe (Patch) saved game
	 * .SV2 Transport Tycoon Deluxe (Patch) saved 2-player game */

	if (StrEqualsIgnoreCase(ext, ".sav")) {
		return { FIOS_TYPE_FILE, GetFileTitle(file, SAVE_DIR) };
	}

	if (fop == SLO_LOAD) {
		if (StrEqualsIgnoreCase(ext, ".ss1") || StrEqualsIgnoreCase(ext, ".sv1") ||
				StrEqualsIgnoreCase(ext, ".sv2")) {
			return { FIOS_TYPE_OLDFILE, GetOldSaveGameName(file) };
		}
	}

	return { FIOS_TYPE_INVALID, {} };
}

/**
 * Get a list of savegames.