public void Update_Main()
        {
            UpdateTime();
            UpdateForms();

            if (WarningMessages.Count == 0 && !FatalError)
            {
                FadeTo(LevelMultiform.MultiformName);
            }
            else
            {
                if ((KeyboardInput.IsPressed(C) && KeyboardInput.IsReleased(CTRL)) ||
                    (KeyboardInput.IsReleased(C) && KeyboardInput.IsPressed(CTRL)))
                {
                    var messages = new List<string>(WarningMessages);
                    if (FatalError)
                    {
                        messages.Insert(0, ErrorMessage);
                    }
                    Clipboard.SetText(String.Join("\n", messages));

                    GetForm(PressToCopyMessageFormName).AddEffector(new FadeOutEffector(15));

                    // Setting this adds a MESSAGES_COPIED_MESSAGE TextForm, since it activates
                    // the if (AtFrame(TimeOfMessagesCopied)) if statement below.
                    TimeOfMessagesCopied = LocalFrame + 20;
                }
                if (MouseInput.IsReleased(DemeterEngine.Input.MouseButtons.Left))
                {
                    if (FatalError)
                    {
                        FadeTo(LevelSelectMultiform.MultiformName);
                    }
                    else
                    {
                        FadeTo(LevelMultiform.MultiformName);
                    }
                }
            }

            for (int i = 0; i < RegisteredTextForms.Count; i++)
            {
                var textForm = RegisteredTextForms[i];
                if (AtFrame((int)(textForm.Position.Y / 5f)))
                {
                    textForm.AddEffector(new FadeInEffector(15));
                }
            }

            if (AtFrame(TimeOfMessagesCopied))
            {
                var pos = GetForm<TextForm>(PressToCopyMessageFormName).Position;
                var newForm = new TextForm(
                    MESSAGES_COPIED_MESSAGE, Assets.LevelLoad.Fonts.PlainMessage, pos, Color.TransparentBlack);
                newForm.AddEffector(new FadeInEffector(15));
                RegisterForm(newForm);
            }
        }