/// <summary>
        /// Retrieves all settings from the Settings class
        /// </summary>
        private void RetrieveSettings()
        {
            canImport  = settings.CanImport;
            difficulty = settings.Difficulty;
            path       = settings.ImportedScenesPath;

            uploadButton.Enabled = importCheckBox.Checked = canImport;
            pathLabel.Text      += path;

            // set difficulty buttons
            switch (difficulty)
            {
            case Settings.GameDifficulty.Easy:
                easyRadioButton.Checked = true;
                break;

            case Settings.GameDifficulty.Medium:
                mediumRadioButton.Checked = true;
                break;

            case Settings.GameDifficulty.Hard:
                hardRadioButton.Checked = true;
                break;
            }
        }
        private void radioButton_CheckedChanged(object sender, EventArgs e)
        {
            if (sender == easyRadioButton)
            {
                difficulty = Settings.GameDifficulty.Easy;
            }

            else if (sender == mediumRadioButton)
            {
                difficulty = Settings.GameDifficulty.Medium;
            }

            else
            {
                difficulty = Settings.GameDifficulty.Hard;
            }
        }