efibs / mc-lasertag-mod

public class LasertagGameModeCommand extends ServerFeedbackCommand {

    @Override

    protected Optional<CommandFeedback> execute(CommandContext<ServerCommandSource> context) {

        // Get the game mode translatable name

        var gameModeTranslatableName = StringArgumentType.getString(context, "gamemode");

        // Get the server

        var server = context.getSource().getServer();

        // Get the new game mode

        var newGameMode = GameModes.GAME_MODES.get(gameModeTranslatableName);

        // Sanity check

        if (newGameMode == null) {

            return Optional.of(new CommandFeedback(Text.literal("Invalid game mode.").formatted(Formatting.RED), false, false));

        }

        // Set the game mode

        LasertagGameManager.getInstance().getGameModeManager().setGameMode(server, newGameMode);

        // Translate the game mode name

        var translatedGameModeName = Text.translatable(gameModeTranslatableName).getString();

        return Optional.of(new CommandFeedback(Text.literal("Game mode changed to '" + translatedGameModeName + "'."), false, true));

    }

    static void register(LiteralArgumentBuilder<ServerCommandSource> lab) {

        lab.then(literal("gamemode")

                        .then(argument("gamemode", word())

                                .suggests(LasertagGameModeSuggestionProvider.getInstance())

                                .executes(new LasertagGameModeCommand())));