Adds atom/movable cloaking framework

code/modules/mob/dead/observer/login.dm

@@ -3,6 +3,7 @@
 	..() //Creates the plane_holder lazily
 	plane_holder.set_vis(VIS_GHOSTS, ghostvision)
 	plane_holder.set_vis(VIS_FULLBRIGHT, !seedarkness)
+	plane_holder.set_vis(VIS_CLOAKED, TRUE)
 	plane_holder.set_vis(VIS_AI_EYE, TRUE)
 	plane_holder.set_vis(VIS_AUGMENTED, TRUE) //VOREStation Add - GHOST VISION IS AUGMENTED
 	plane = PLANE_GHOSTS

code/modules/mob/living/simple_mob/subtypes/animal/giant_spider/lurker.dm

@@ -47,29 +47,12 @@
 
 	ai_holder_type = /datum/ai_holder/simple_mob/melee/hit_and_run
 
-	var/cloaked = FALSE
 	var/cloaked_alpha = 45			// Lower = Harder to see.
 	var/cloaked_bonus_damage = 30	// This is added on top of the normal melee damage.
 	var/cloaked_weaken_amount = 3	// How long to stun for.
 	var/cloak_cooldown = 10 SECONDS	// Amount of time needed to re-cloak after losing it.
 	var/last_uncloak = 0			// world.time
 
-
-/mob/living/simple_mob/animal/giant_spider/lurker/proc/cloak()
-	if(cloaked)
-		return
-	animate(src, alpha = cloaked_alpha, time = 1 SECOND)
-	cloaked = TRUE
-
-
-/mob/living/simple_mob/animal/giant_spider/lurker/proc/uncloak()
-	last_uncloak = world.time // This is assigned even if it isn't cloaked already, to 'reset' the timer if the spider is continously getting attacked.
-	if(!cloaked)
-		return
-	animate(src, alpha = initial(alpha), time = 1 SECOND)
-	cloaked = FALSE
-
-
 // Check if cloaking if possible.
 /mob/living/simple_mob/animal/giant_spider/lurker/proc/can_cloak()
 	if(stat)
@@ -79,7 +62,6 @@
 
 	return TRUE
 
-
 // Called by things that break cloaks, like Technomancer wards.
 /mob/living/simple_mob/animal/giant_spider/lurker/break_cloak()
 	uncloak()

code/modules/mob/login.dm

@@ -74,4 +74,7 @@
 
 	var/turf/T = get_turf(src)
 	if(isturf(T))
-		update_client_z(T.z)
+		update_client_z(T.z)
+
+	if(cloaked && cloaked_selfimage)
+		client.images += cloaked_selfimage

code/modules/mob/mob.dm

@@ -1197,3 +1197,25 @@ mob/proc/yank_out_object()
 /mob/onTransitZ(old_z, new_z)
 	..()
 	update_client_z(new_z)
+
+/mob/cloak()
+	. = ..()
+	if(client && cloaked_selfimage)
+		client.images += cloaked_selfimage
+
+/mob/uncloak()
+	if(client && cloaked_selfimage)
+		client.images -= cloaked_selfimage
+	return ..()
+
+/mob/get_cloaked_selfimage()
+	var/icon/selficon = getCompoundIcon(src)
+	selficon.MapColors(0,0,0, 0,0,0, 0,0,0, 1,1,1) //White
+	var/image/selfimage = image(selficon)
+	selfimage.color = "#0000FF"
+	selfimage.alpha = 100
+	selfimage.layer = initial(layer)
+	selfimage.plane = initial(plane)
+	selfimage.loc = src
+
+	return selfimage

code/modules/mob/mob_planes.dm

@@ -41,6 +41,7 @@
 	plane_masters[VIS_TURFS]	= new /obj/screen/plane_master/main{plane = TURF_PLANE}
 	plane_masters[VIS_OBJS]		= new /obj/screen/plane_master/main{plane = OBJ_PLANE}
 	plane_masters[VIS_MOBS]		= new /obj/screen/plane_master/main{plane = MOB_PLANE}
+	plane_masters[VIS_CLOAKED]	= new /obj/screen/plane_master/cloaked								//Cloaked atoms!
 
 	..()
 
@@ -178,6 +179,13 @@
 	plane = PLANE_GHOSTS
 	desired_alpha = 127 //When enabled, they're like half-transparent
 
+/////////////////
+//Cloaked atoms are visible to ghosts (or for other reasons?)
+/obj/screen/plane_master/cloaked
+	plane = CLOAKED_PLANE
+	desired_alpha = 80
+	color = "#0000FF"
+
 /////////////////
 //The main game planes start normal and visible
 /obj/screen/plane_master/main