bugfixes, vendors instead of 2nd set of tables at arrivals, look down/up, no bonuses from thermals/mesons/etc if using an eye

code/modules/mob/living/carbon/human/human.dm

@@ -2139,3 +2139,51 @@
 			custom_pain("YOUR EARS ARE DEAFENED BY THE PAIN!", 110, TRUE, E, FALSE)
 			adjustEarDamage(5, 5, FALSE)
 			stop_listening()
+
+/mob/living/carbon/human/verb/lookup()
+	set name = "Look Up"
+	set desc = "If you want to know what's above."
+	set category = "IC"
+
+
+	if(client && !is_physically_disabled())
+		if(z_eye)
+			reset_view(null)
+			QDEL_NULL(z_eye)
+			return
+		var/turf/above = GetAbove(src)
+		if(TURF_IS_MIMICING(above))
+			z_eye = new /atom/movable/z_observer/z_up(src, src)
+			to_chat(src, "<span class='notice'>You look up.</span>")
+			reset_view(z_eye)
+			return
+		to_chat(src, "<span class='notice'>You can see \the [above ? above : "ceiling"].</span>")
+	else
+		to_chat(src, "<span class='notice'>You can't look up right now.</span>")
+
+/mob/living/verb/lookdown()
+	set name = "Look Down"
+	set desc = "If you want to know what's below."
+	set category = "IC"
+
+	if(client && !is_physically_disabled())
+		if(z_eye)
+			reset_view(null)
+			QDEL_NULL(z_eye)
+			return
+		var/turf/T = get_turf(src)
+		if(TURF_IS_MIMICING(T) && HasBelow(T.z))
+			z_eye = new /atom/movable/z_observer/z_down(src, src)
+			to_chat(src, "<span class='notice'>You look down.</span>")
+			reset_view(z_eye)
+			return
+		else
+			T = get_step(T, dir)
+			if(TURF_IS_MIMICING(T) && HasBelow(T.z))
+				z_eye = new /atom/movable/z_observer/z_down(src, src, TRUE)
+				to_chat(src, "<span class='notice'>You lean over to look down in front of you.</span>")
+				reset_view(z_eye)
+				return
+		to_chat(src, "<span class='notice'>You can see \the [T ? T : "floor"].</span>")
+	else
+		to_chat(src, "<span class='notice'>You can't look below right now.</span>")

code/modules/mob/living/carbon/human/human_helpers.dm

@@ -50,14 +50,21 @@
 	equipment_darkness_modifier = 0
 	equipment_overlays.Cut()
 
-	if(istype(src.head, /obj/item/clothing/head))
-		add_clothing_protection(head)
-	if(istype(src.glasses, /obj/item/clothing/glasses))
-		process_glasses(glasses)
-	if(istype(src.wear_mask, /obj/item/clothing/mask))
-		add_clothing_protection(wear_mask)
-	if(istype(back,/obj/item/rig))
-		process_rig(back)
+	var/binoc_check
+	if(client)
+		binoc_check = client.view == world.view
+	else
+		binoc_check = TRUE
+
+	if ((!client || client.eye == src || client.eye == loc || client.eye == z_eye) && binoc_check) // !client is so the unit tests function
+		if(istype(src.head, /obj/item/clothing/head))
+			add_clothing_protection(head)
+		if(istype(src.glasses, /obj/item/clothing/glasses))
+			process_glasses(glasses)
+		if(istype(src.wear_mask, /obj/item/clothing/mask))
+			add_clothing_protection(wear_mask)
+		if(istype(back,/obj/item/rig))
+			process_rig(back)
 
 /mob/living/carbon/human/proc/process_glasses(var/obj/item/clothing/glasses/G)
 	if(G && G.active)

code/modules/mob/living/carbon/human/life.dm

@@ -1331,6 +1331,8 @@
 			reset_view(null)
 	else
 		var/isRemoteObserve = 0
+		if(z_eye && client?.eye == z_eye && !is_physically_disabled())
+			isRemoteObserve = 1
 		if((mRemote in mutations) && remoteview_target)
 			if(remoteview_target.stat==CONSCIOUS)
 				isRemoteObserve = 1

code/modules/multiz/movement.dm

@@ -770,3 +770,63 @@
 
 /mob/fall_get_specs(levels_fallen)
 	return list(mob_size, throw_range)
+
+/mob/living
+	var/atom/movable/z_observer/z_eye
+
+/atom/movable/z_observer
+	name = ""
+	simulated = FALSE
+	anchored = TRUE
+	mouse_opacity = FALSE
+	var/mob/living/owner
+
+/atom/movable/z_observer/Initialize(mapload, var/mob/living/user, var/tile_shift = FALSE)
+	. = ..()
+	owner = user
+	if(tile_shift)
+		step(get_step(owner, owner.dir))
+	follow()
+	moved_event.register(owner, src, /atom/movable/z_observer/proc/follow)
+
+/atom/movable/z_observer/proc/follow()
+
+/atom/movable/z_observer/z_up/follow()
+	forceMove(get_step(owner, UP))
+	if(isturf(src.loc))
+		var/turf/T = src.loc
+		if(T.flags & MIMIC_BELOW)
+			return
+	owner.reset_view(null)
+	owner.z_eye = null
+	qdel(src)
+
+/atom/movable/z_observer/z_down/follow()
+	forceMove(get_step(owner, DOWN))
+	var/turf/T = get_turf(owner)
+	if(T && (T.flags & MIMIC_BELOW))
+		return
+	owner.reset_view(null)
+	owner.z_eye = null
+	qdel(src)
+
+/atom/movable/z_observer/Destroy()
+	moved_event.unregister(owner, src, /atom/movable/z_observer/proc/follow)
+	owner = null
+	. = ..()
+
+/atom/movable/z_observer/can_fall()
+	return FALSE
+
+/atom/movable/z_observer/ex_act()
+	SHOULD_CALL_PARENT(FALSE)
+	return
+
+/atom/movable/z_observer/singularity_act()
+	return
+
+/atom/movable/z_observer/singularity_pull()
+	return
+
+/atom/movable/z_observer/singuloCanEat()
+	return