/obj/item/organ/eyes
	name = "eyes"
	icon_state = "eyeballs"
	desc = "I see you!"
	zone = "eyes"
	slot = "eye_sight"
	gender = PLURAL

	var/sight_flags = 0
	var/see_in_dark = 2
	var/tint = 0
	var/eye_color = "" //set to a hex code to override a mob's eye color
	var/old_eye_color = "fff"
	var/flash_protect = 0
	var/see_invisible = SEE_INVISIBLE_LIVING
	var/lighting_alpha

/obj/item/organ/eyes/Insert(mob/living/carbon/M, special = 0)
	..()
	if(ishuman(owner))
		var/mob/living/carbon/human/HMN = owner
		old_eye_color = HMN.eye_color
		if(eye_color)
			HMN.eye_color = eye_color
			HMN.regenerate_icons()
		else
			eye_color = HMN.eye_color
	M.update_tint()
	owner.update_sight()

/obj/item/organ/eyes/Remove(mob/living/carbon/M, special = 0)
	..()
	if(ishuman(M) && eye_color)
		var/mob/living/carbon/human/HMN = M
		HMN.eye_color = old_eye_color
		HMN.regenerate_icons()
	M.update_tint()
	M.update_sight()

/obj/item/organ/eyes/night_vision
	name = "shadow eyes"
	desc = "A spooky set of eyes that can see in the dark."
	see_in_dark = 8
	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
	actions_types = list(/datum/action/item_action/organ_action/use)
	var/night_vision = TRUE

/obj/item/organ/eyes/night_vision/ui_action_click()
	switch(lighting_alpha)
		if (LIGHTING_PLANE_ALPHA_VISIBLE)
			lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
		if (LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE)
			lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE
		if (LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE)
			lighting_alpha = LIGHTING_PLANE_ALPHA_INVISIBLE
		else
			lighting_alpha = LIGHTING_PLANE_ALPHA_VISIBLE
	owner.update_sight()

/obj/item/organ/eyes/night_vision/alien
	name = "alien eyes"
	desc = "It turned out they had them after all!"
	see_in_dark = 8
	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
	sight_flags = SEE_MOBS

/obj/item/organ/eyes/night_vision/zombie
	name = "undead eyes"
	desc = "Somewhat counterintuitively, these half rotten eyes actually have superior vision to those of a living human."

///Robotic

/obj/item/organ/eyes/robotic
	name = "robotic eyes"
	icon_state = "cybernetic_eyeballs"
	desc = "Your vision is augmented."
	status = ORGAN_ROBOTIC

/obj/item/organ/eyes/robotic/emp_act(severity)
	if(!owner)
		return
	if(severity > 1)
		if(prob(10 * severity))
			return
	to_chat(owner, "<span class='warning'>Static obfuscates your vision!</span>")
	owner.flash_act(visual = 1)

/obj/item/organ/eyes/robotic/xray
	name = "X-ray eyes"
	desc = "These cybernetic eyes will give you X-ray vision. Blinking is futile."
	eye_color = "000"
	see_in_dark = 8
	sight_flags = SEE_MOBS | SEE_OBJS | SEE_TURFS

/obj/item/organ/eyes/robotic/thermals
	name = "Thermals eyes"
	desc = "These cybernetic eye implants will give you Thermal vision. Vertical slit pupil included."
	eye_color = "FC0"
	origin_tech = "materials=5;programming=4;biotech=4;magnets=4;syndicate=1"
	sight_flags = SEE_MOBS
	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
	flash_protect = -1
	see_in_dark = 8

/obj/item/organ/eyes/robotic/flashlight
	name = "flashlight eyes"
	desc = "It's two flashlights rigged together with some wire. Why would you put these in someones head?"
	eye_color ="fee5a3"
	icon = 'icons/obj/lighting.dmi'
	icon_state = "flashlight_eyes"
	flash_protect = 2
	tint = INFINITY

/obj/item/organ/eyes/robotic/flashlight/emp_act(severity)
	return

/obj/item/organ/eyes/robotic/flashlight/Insert(var/mob/living/carbon/M, var/special = 0)
	..()
	M.set_light(M.light_range + 15, M.light_power + 1)


/obj/item/organ/eyes/robotic/flashlight/Remove(var/mob/living/carbon/M, var/special = 0)
	M.set_light(M.light_range -15, M.light_power - 1)
	..()

// Welding shield implant
/obj/item/organ/eyes/robotic/shield
	name = "shielded robotic eyes"
	desc = "These reactive micro-shields will protect you from welders and flashes without obscuring your vision."
	origin_tech = "materials=4;biotech=3;engineering=4;plasmatech=3"
	flash_protect = 2

/obj/item/organ/eyes/robotic/shield/emp_act(severity)
	return