Porting a load of disease/symptoms code updates.

code/modules/mob/camera/camera.dm

@@ -30,5 +30,8 @@
 	loc = destination
 	Moved(oldloc, NONE, TRUE)
 
+/mob/camera/canUseStorage()
+	return FALSE
+
 /mob/camera/emote(act, m_type=1, message = null, intentional = FALSE)
 	return

code/modules/mob/dead/dead.dm

@@ -20,6 +20,9 @@ INITIALIZE_IMMEDIATE(/mob/dead)
 	set_focus(src)
 	return INITIALIZE_HINT_NORMAL
 
+/mob/dead/canUseStorage()
+	return FALSE
+
 /mob/dead/dust(just_ash, drop_items, force)	//ghosts can't be vaporised.
 	return
 

code/modules/mob/living/living.dm

@@ -346,6 +346,11 @@
 	if(stat || IsUnconscious() || IsStun() || IsKnockdown() || recoveringstam || (!ignore_restraints && restrained(ignore_grab))) // CIT CHANGE - adds recoveringstam check here
 		return TRUE
 
+/mob/living/canUseStorage()
+	if (get_num_arms() <= 0)
+		return FALSE
+	return TRUE
+
 /mob/living/proc/InCritical()
 	return (health <= crit_threshold && (stat == SOFT_CRIT || stat == UNCONSCIOUS))
 

code/modules/mob/mob.dm

@@ -810,6 +810,9 @@ GLOBAL_VAR_INIT(exploit_warn_spam_prevention, 0)
 /mob/proc/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE, no_tk=FALSE)
 	return
 
+/mob/proc/canUseStorage()
+	return FALSE
+
 /mob/proc/faction_check_mob(mob/target, exact_match)
 	if(exact_match) //if we need an exact match, we need to do some bullfuckery.
 		var/list/faction_src = faction.Copy()