Renames 'visible_atoms' and 'get_actual_viewers' procs to 'fov_view' and 'fov_viewers' (#12282)

* Renames 'visible_atoms' and 'get_actual_viewers' procs to 'fov_view' and 'fov_viewers'

* Ok, signals.

code/game/objects/items/RCD.dm

@@ -143,7 +143,7 @@ RLD
 	//if user can't be seen from A (only checks surroundings' opaqueness) and can't see A.
 	//jarring, but it should stop people from targetting atoms they can't see...
 	//excluding darkness, to allow RLD to be used to light pitch black dark areas.
-	if(!((user in view(view_range, A)) || (user in get_actual_viewers(view_range, A))))
+	if(!((user in view(view_range, A)) || (user in fov_viewers(view_range, A))))
 		to_chat(user, "<span class='warning'>You focus, pointing \the [src] at whatever outside your field of vision in that direction... to no avail.</span>")
 		return FALSE
 	return TRUE

code/game/objects/items/devices/laserpointer.dm

@@ -135,7 +135,7 @@
 			outmsg = "<span class='warning'>You miss the lens of [C] with [src]!</span>"
 
 	//catpeople
-	var/list/viewers = get_actual_viewers(1,targloc)
+	var/list/viewers = fov_viewers(1,targloc)
 	for(var/mob/living/carbon/human/H in viewers)
 		if(!iscatperson(H) || H.incapacitated() || H.eye_blind )
 			continue

code/game/objects/items/implants/implantpad.dm

@@ -66,7 +66,7 @@
 		if(ismob(loc))
 			attack_self(loc)
 		else
-			for(var/mob/M in get_actual_viewers(1, src))
+			for(var/mob/M in fov_viewers(1, src))
 				if(M.client)
 					attack_self(M)
 		add_fingerprint(usr)

code/game/objects/items/teleportation.dm

@@ -104,7 +104,7 @@
 		if (ismob(src.loc))
 			attack_self(src.loc)
 		else
-			for(var/mob/M in get_actual_viewers(1, src))
+			for(var/mob/M in fov_viewers(1, src))
 				if (M.client)
 					src.attack_self(M)
 	return