API IsInCinematicScene

Returns true during in-game cinematics/cutscenes involving NPC actors and scenescripts.
 inCinematicScene = IsInCinematicScene()
==Returns==
:;inCinematicScene:
==Example==
Prints what type of cinematic is playing on .
local function OnEvent(self, event, ...)
	if InCinematic() then
		print("simple cinematic")
	elseif IsInCinematicScene() then
		print("fancy in-game cutscene")
	end
end
local f = CreateFrame("Frame")
f:RegisterEvent("CINEMATIC_START")
f:SetScript("OnEvent", OnEvent)