initial commit - cross reference with 5th port - obviously has compile errors

code/modules/shuttle/ripple.dm

@@ -0,0 +1,18 @@
+/obj/effect/overlay/temp/ripple
+	name = "hyperspace ripple"
+	desc = "Something is coming through hyperspace, you can see the \
+		visual disturbances. It's probably best not to be on top of these \
+		when whatever is tunneling comes through."
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "medi_holo"
+	anchored = TRUE
+	density = FALSE
+	layer = RIPPLE_LAYER
+	mouse_opacity = 1
+	alpha = 0
+
+	duration = 3 * SHUTTLE_RIPPLE_TIME
+
+/obj/effect/overlay/temp/ripple/New()
+	. = ..()
+	animate(src, alpha=255, time=SHUTTLE_RIPPLE_TIME)