Function IndicatorOpacity

pcsx2/Achievements.cpp:2039–2045

template <typename T>
static float IndicatorOpacity(const T& i)
{
	const float elapsed = static_cast<float>(i.show_hide_time.GetTimeSeconds());
	const float time = i.active ? Achievements::INDICATOR_FADE_IN_TIME : Achievements::INDICATOR_FADE_OUT_TIME;
	const float opacity = (elapsed >= time) ? 1.0f : (elapsed / time);
	return (i.active) ? opacity : (1.0f - opacity);
}

static ImVec2 CalculateOverlayPosition(const ImGuiIO& io, float padding, AchievementOverlayPosition alignment)
{