private void InitializeAttributes()
{
actualGameLevelLabel = GetNodeOrNull <Label>(actualGameLevelLabelNodePath);
gameSettings = GetNodeOrNull <GameSettings>("/root/GameSettings");
gameConfig = new GameConfig();
gameConfig.Copy(gameSettings.GameConfig);
markCheckBoxes = new Array <CheckBox>();
whoStartsCheckBoxes = new Array <CheckBox>();
InitializeCheckBoxArray(markCheckBoxes, markCheckBoxesAreaNodePath);
InitializeCheckBoxArray(whoStartsCheckBoxes, whoStartsCheckBoxesAreaNodePath);
UpdateGUI();
}