[MIRROR] Disease antagonist (#5815)

* Disease antagonist

* Update mobs.dm

* can I go to sleep yet

code/modules/mob/camera/camera.dm

@@ -9,10 +9,24 @@
 	see_in_dark = 7
 	invisibility = INVISIBILITY_ABSTRACT // No one can see us
 	sight = SEE_SELF
-	move_on_shuttle = 0
+	move_on_shuttle = FALSE
+	var/call_life = FALSE //TRUE if Life() should be called on this camera every tick of the mobs subystem, as if it were a living mob
+
+/mob/camera/Initialize()
+	. = ..()
+	if(call_life)
+		GLOB.living_cameras += src
+
+/mob/camera/Destroy()
+	. = ..()
+	if(call_life)
+		GLOB.living_cameras -= src
 
 /mob/camera/experience_pressure_difference()
 	return
 
 /mob/camera/forceMove(atom/destination)
 	loc = destination
+
+/mob/camera/emote(act, m_type=1, message = null)
+	return