-- GUI over the disc:  an RmlUi document (testScripts/scene36.rml styled by scene36.rcss on top of
-- the shipped Singe/gui.rcss) rendered into a GUI the size of the overlay and composited over it
-- every frame; a heading, a nine slice panel from crate.png, a scrolling list and a progress bar
-- animated from RCSS, plus a line the script rewrites each frame through guiSetValue.
local font   = fontLoad("Singe/FreeSansBold.ttf", 24)
local frames = 0

fontSelect(font)
overlaySetResolution(discGetWidth(), discGetHeight())

local gui = guiNew(overlayGetWidth(), overlayGetHeight())
local doc = guiLoad(gui, "testScripts/scene36.rml")

function onOverlayUpdate()
	frames = frames + 1
	overlayClear()
	colorForeground(255, 255, 255, 255)
	fontPrint(10, overlayGetHeight() - 30, "scene36  frame " .. frames .. "  (overlay text under the GUI)")
	guiSetValue(gui, doc, "frame", "frame " .. frames)
	guiDraw(gui)
	if frames == 40 or frames == 110 then
		singeScreenshot()
	end
	if frames == 130 then
		singeQuit()
	end
	return OVERLAY_UPDATED
end