primaryLost = false
primaryLostTimer = 0

function tick(dt)
	local targets = FindBodies("target", true)

	local activeRobots = 0
	for i=1, #targets do
		if HasTag(targets[i], "inactive") then
		elseif HasTag(targets[i], "disabled") then
			SetTag(targets[i], "target", "disabled")
			if not HasTag(targets[i], "optional") then
				primaryLost = true
				primaryLostTimer = 0
			end
		else
			activeRobots = activeRobots + 1
		end
	end
	
	if activeRobots == 0 then
		PlayMusic("factory-noheist.ogg")
	else
		PlayMusic("factory-hunted.ogg")
	end
	
	if primaryLost then
		primaryLostTimer = primaryLostTimer - dt
		if primaryLostTimer < 0 then
			SetString("hud.notification", GetTranslatedStringByKey("UI_HUD_NOTE_A_PRIMARY"))
			primaryLostTimer = 30
		end
	end
end