Ports RCD animation from TG

code/game/objects/effects/temporary_visuals/miscellaneous.dm

@@ -493,3 +493,42 @@
 	randomdir = FALSE
 	duration = 2 SECONDS
 	icon_state = "summon"
+
+/obj/effect/constructing_effect
+	icon = 'icons/effects/effects_rcd.dmi'
+	icon_state = ""
+	layer = ABOVE_ALL_MOB_LAYER
+	var/status = 0
+	var/delay = 0
+
+/obj/effect/constructing_effect/Initialize(mapload, rcd_delay, rcd_status)
+	. = ..()
+	status = rcd_status
+	delay = rcd_delay
+	if (status == RCD_DECONSTRUCT)
+		addtimer(CALLBACK(src, .proc/update_icon), 11)
+		delay -= 11
+		icon_state = "rcd_end_reverse"
+	else
+		update_icon()
+
+/obj/effect/constructing_effect/update_icon()
+	icon_state = "rcd"
+	if (delay < 10)
+		icon_state += "_shortest"
+	else if (delay < 20)
+		icon_state += "_shorter"
+	else if (delay < 37)
+		icon_state += "_short"
+	if (status == RCD_DECONSTRUCT)
+		icon_state += "_reverse"
+
+/obj/effect/constructing_effect/proc/end_animation()
+	if (status == RCD_DECONSTRUCT)
+		qdel(src)
+	else
+		icon_state = "rcd_end"
+		addtimer(CALLBACK(src, .proc/end), 15)
+
+/obj/effect/constructing_effect/proc/end()
+	qdel(src)

code/game/objects/items/RCD.dm

@@ -538,14 +538,17 @@ RLD
 	if(!rcd_results)
 		return FALSE
 	var/delay = rcd_results["delay"] * delay_mod
+	var/obj/effect/constructing_effect/rcd_effect = new(get_turf(A), delay, src.mode)
 	if(checkResource(rcd_results["cost"], user))
 		if(do_after(user, delay, target = A))
 			if(checkResource(rcd_results["cost"], user))
 				if(A.rcd_act(user, src, rcd_results["mode"]))
+					rcd_effect.end_animation()
 					useResource(rcd_results["cost"], user)
 					activate()
 					playsound(src.loc, 'sound/machines/click.ogg', 50, TRUE)
 					return TRUE
+	qdel(rcd_effect)
 
 /obj/item/construction/rcd/Initialize()
 	. = ..()