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

        void UpdateDirtyScreen(VirtScreen vs)
        {
            // Do nothing for unused virtual screens
            if (vs.Height == 0)
                return;

            int i;
            int w = 8;
            int start = 0;

            for (i = 0; i < Gdi.NumStrips; i++)
            {
                if (vs.BDirty[i] != 0)
                {
                    int top = vs.TDirty[i];
                    int bottom = vs.BDirty[i];
                    vs.TDirty[i] = vs.Height;
                    vs.BDirty[i] = 0;
                    if (i != (Gdi.NumStrips - 1) && vs.BDirty[i + 1] == bottom && vs.TDirty[i + 1] == top)
                    {
                        // Simple optimizations: if two or more neighboring strips
                        // form one bigger rectangle, coalesce them.
                        w += 8;
                        continue;
                    }
                    DrawStripToScreen(vs, start * 8, w, top, bottom);
                    w = 8;
                }
                start = i + 1;
            }
        }