Forcefield projector has a short delay before projecting a forcefield

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

@@ -15,6 +15,7 @@
 	var/max_fields = 3
 	var/list/current_fields
 	var/field_distance_limit = 7
+	var/creation_time = 30
 
 /obj/item/forcefield_projector/afterattack(atom/target, mob/user, proximity_flag)
 	. = ..()
@@ -26,24 +27,26 @@
 			to_chat(user, "<span class='notice'>You deactivate [F].</span>")
 			qdel(F)
 			return
-	var/turf/T = get_turf(target)
-	var/obj/structure/projected_forcefield/found_field = locate() in T
-	if(found_field)
-		to_chat(user, "<span class='warning'>There is already a forcefield in that location!</span>")
-		return
-	if(T.density)
-		return
-	if(get_dist(T,src) > field_distance_limit)
-		return
-	if(LAZYLEN(current_fields) >= max_fields)
-		to_chat(user, "<span class='notice'>[src] cannot sustain any more forcefields!</span>")
-		return
+	if(do_after(user, creation_time, target = target))
+		var/turf/T = get_turf(target)
+		var/obj/structure/projected_forcefield/found_field = locate() in T
+		if(found_field)
+			to_chat(user, "<span class='warning'>There is already a forcefield in that location!</span>")
+			return
+		if(T.density)
+			return
+		if(get_dist(T,src) > field_distance_limit)
+			return
+		if(LAZYLEN(current_fields) >= max_fields)
+			to_chat(user, "<span class='notice'>[src] cannot sustain any more forcefields!</span>")
+			return
+
 
-	playsound(src,'sound/weapons/resonator_fire.ogg',50,1)
-	user.visible_message("<span class='warning'>[user] projects a forcefield!</span>","<span class='notice'>You project a forcefield.</span>")
-	var/obj/structure/projected_forcefield/F = new(T, src)
-	current_fields += F
-	user.changeNext_move(CLICK_CD_MELEE)
+		playsound(src,'sound/weapons/resonator_fire.ogg',50,1)
+		user.visible_message("<span class='warning'>[user] projects a forcefield!</span>","<span class='notice'>You project a forcefield.</span>")
+		var/obj/structure/projected_forcefield/F = new(T, src)
+		current_fields += F
+		user.changeNext_move(CLICK_CD_MELEE)
 
 /obj/item/forcefield_projector/attack_self(mob/user)
 	if(LAZYLEN(current_fields))