Eyes of god no longer sees ghosts. (#20311)

code/game/dna/mutations/mutation_powers.dm

@@ -237,7 +237,7 @@
 		return
 	var/light_available = T.get_lumcount() * 10
 	if(light_available <= 2)
-		if(M.invisibility != INVISIBILITY_OBSERVER)
+		if(M.invisibility != INVISIBILITY_LEVEL_TWO)
 			M.alpha = round(M.alpha * 0.8)
 	else
 		M.reset_visibility()
@@ -259,7 +259,7 @@
 
 /datum/mutation/stealth/chameleon/on_life(mob/living/M) //look if a ghost gets this, its an admins problem
 	if((world.time - M.last_movement) >= 30 && !M.stat && (M.mobility_flags & MOBILITY_STAND) && !M.restrained())
-		if(M.invisibility != INVISIBILITY_OBSERVER)
+		if(M.invisibility != INVISIBILITY_LEVEL_TWO)
 			M.alpha -= 25
 	else
 		M.reset_visibility()

code/game/gamemodes/miniantags/revenant/revenant.dm

@@ -3,7 +3,7 @@
 //Don't hear deadchat and are NOT normal ghosts
 //Admin-spawn or random event
 
-#define INVISIBILITY_REVENANT 50
+#define INVISIBILITY_REVENANT 45
 #define REVENANT_NAME_FILE "revenant_names.json"
 
 /mob/living/simple_animal/revenant

code/modules/mob/mob.dm

@@ -1566,7 +1566,7 @@ GLOBAL_LIST_INIT(holy_areas, typecacheof(list(
 	add_to_all_human_data_huds()
 
 /mob/proc/make_invisible()
-	invisibility = INVISIBILITY_OBSERVER
+	invisibility = INVISIBILITY_LEVEL_TWO
 	alpha = 128
 	remove_from_all_data_huds()
 

code/modules/surgery/organs/eyes.dm

@@ -314,7 +314,7 @@
 	receive_damage(2, 1) //No flicky flicky on / off to fully negate damage
 	RegisterSignal(owner, COMSIG_CARBON_FLASH_EYES, PROC_REF(got_flashed))
 	active = TRUE
-	see_invisible = SEE_INVISIBLE_OBSERVER_AI_EYE
+	see_invisible = SEE_INVISIBLE_LEVEL_TWO
 	vision_flags = SEE_MOBS | SEE_OBJS | SEE_TURFS
 	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE
 	flash_protect = FLASH_PROTECTION_VERYVUNERABLE //Flashing is it's weakness. I don't care how many protections you have up
@@ -351,4 +351,4 @@
 	name = "eye mark"
 	icon_state = "shield_reversed"
 	duration = 2 SECONDS
-	invisibility = INVISIBILITY_OBSERVER
+	invisibility = INVISIBILITY_LEVEL_TWO