// CPU that allows the computer to run programs.
// Better CPUs are obtainable via research and can run more programs on background.

/obj/item/weapon/computer_hardware/processor_unit
	name = "standard processor"
	desc = "A standard CPU used in most computers. It can run up to three programs simultaneously."
	icon_state = "cpu_normal"
	hardware_size = 2
	power_usage = 50
	critical = 1
	malfunction_probability = 1
	origin_tech = list("programming" = 3, "engineering" = 2)

	var/max_idle_programs = 2 // 2 idle, + 1 active = 3 as said in description.

/obj/item/weapon/computer_hardware/processor_unit/small
	name = "standard microprocessor"
	desc = "A standard miniaturised CPU used in portable devices. It can run up to two programs simultaneously."
	icon_state = "cpu_small"
	hardware_size = 1
	power_usage = 25
	max_idle_programs = 1
	origin_tech = list("programming" = 2, "engineering" = 2)

/obj/item/weapon/computer_hardware/processor_unit/photonic
	name = "photonic processor"
	desc = "An advanced experimental CPU that uses photonic core instead of regular circuitry. It can run up to five programs simultaneously, but uses a lot of power."
	icon_state = "cpu_normal_photonic"
	hardware_size = 2
	power_usage = 250
	max_idle_programs = 4
	origin_tech = list("programming" = 5, "engineering" = 4)

/obj/item/weapon/computer_hardware/processor_unit/photonic/small
	name = "photonic microprocessor"
	desc = "An advanced miniaturised CPU for use in portable devices. It uses photonic core instead of regular circuitry. It can run up to three programs simultaneously."
	icon_state = "cpu_small_photonic"
	hardware_size = 1
	power_usage = 75
	max_idle_programs = 2
	origin_tech = list("programming" = 4, "engineering" = 3)

/obj/item/weapon/computer_hardware/processor_unit/try_install_component(mob/living/user, obj/item/modular_computer/M, found = 0)
	if(!user.drop_item(src))
		return
	if(M.processor_unit)
		user << "This computer's processor slot is already occupied by \the [M.processor_unit]."
		return
	found = 1
	M.processor_unit = src
	..(user, M, found)