NScumm.Scumm.ScummEngine.FadeIn C# (CSharp) Метод

        protected void FadeIn(byte effect)
        {
            if (_disableFadeInEffect)
            {
                // fadeIn() calls can be disabled in TheDig after a SMUSH movie
                // has been played. Like the original interpreter, we introduce
                // an extra flag to handle 
                _disableFadeInEffect = false;
                _doEffect = false;
                _screenEffectFlag = true;
                return;
            }

            UpdatePalette();

            switch (effect)
            {
                case 0:
                    // seems to do nothing
                    break;

                case 1:
                case 2:
                case 3:
                case 4:
                case 5:
                case 6:
                    // Some of the transition effects won't work properly unless
                    // the screen is marked as clean first. At first I thought I
                    // could safely do this every time fadeIn() was called, but
                    // that broke the FOA intro. Probably other things as well.
                    //
                    // Hopefully it's safe to do it at this point, at least.
                    MainVirtScreen.SetDirtyRange(0, 0);
                    DoTransitionEffect(effect - 1);
                    break;

                case 128:
                    UnkScreenEffect6();
                    break;

                case 129:
                    break;

                case 130:
                case 131:
                case 132:
                case 133:
                    ScrollEffect(133 - effect);
                    break;

                case 134:
                    DissolveEffect(1, 1);
                    break;

                case 135:
                    DissolveEffect(1, MainVirtScreen.Height);
                    break;

                default:
                    throw new NotSupportedException(string.Format("Unknown screen effect {0}", effect));
            }
            _screenEffectFlag = true;
        }