// Renders a screen scroll.
private void RenderRoomScroll(BlitImage screenImage, int x, int y)
{
ScrollColorToRGBA(GetScroll(x, y), out byte red, out byte green,
out byte blue, out byte alpha);
screenImage.DrawRectangle(0, 0, 256, 3, red, green, blue, alpha);
screenImage.DrawRectangle(0, 253, 256, 3, red, green, blue, alpha);
screenImage.DrawRectangle(0, 3, 3, 250, red, green, blue, alpha);
screenImage.DrawRectangle(253, 3, 3, 250, red, green, blue, alpha);
}
// Renders a PLM or ASM scroll
private void RenderScrollModification(BlitImage screenImage, int x, int y)
{
if (ActiveScrollData is ScrollSet || ActiveScrollData == null)
{
return;
}
ScrollColor color = ActiveScrollData [RoomWidthInScreens * y + x];
ScrollColorToRGBA(color, out byte red, out byte green,
out byte blue, out byte alpha);
screenImage.DrawRectangle(96, 96, 64, 64, red, green, blue, alpha);
}