[IDB Ignore] Refactor icon smoothing to use 8-bit bitmasking (#16620)

code/modules/shuttle/on_move.dm

@@ -57,8 +57,8 @@
 
 // After docking //
 /atom/proc/postDock(obj/docking_port/S1)
-	if(smooth)
-		queue_smooth(src)
+	if(smoothing_flags)
+		QUEUE_SMOOTH(src)
 
 /mob/postDock()
 	update_parallax_contents()

code/modules/shuttle/ripple.dm

@@ -4,10 +4,12 @@
 		visual disturbances. It's probably best not to be on top of these \
 		when whatever is tunneling comes through."
 	icon = 'icons/turf/floors/ripple.dmi'
-	icon_state = "ripple"
+	icon_state = "ripple-0"
+	base_icon_state = "ripple"
 	anchored = TRUE
 	density = FALSE
-	smooth = SMOOTH_TRUE
+	smoothing_flags = SMOOTH_BITMASK
+	smoothing_groups = list(SMOOTH_GROUP_RIPPLE)
 	layer = RIPPLE_LAYER
 	alpha = 0
 	duration = 3 * SHUTTLE_RIPPLE_TIME
@@ -15,5 +17,5 @@
 
 /obj/effect/temp_visual/ripple/New()
 	. = ..()
-	queue_smooth(src)
+	QUEUE_SMOOTH(src)
 	animate(src, alpha=255, time=SHUTTLE_RIPPLE_TIME)

code/modules/shuttle/shuttle_rotate.dm

@@ -11,8 +11,8 @@ If ever any of these procs are useful for non-shuttles, rename it to proc/rotate
 		setDir(angle2dir(rotation+dir2angle(dir)))
 
 	//resmooth if need be.
-	if(smooth && (params & ROTATE_SMOOTH))
-		queue_smooth(src)
+	if(params & ROTATE_SMOOTH && smoothing_flags & (SMOOTH_CORNERS|SMOOTH_BITMASK))
+		QUEUE_SMOOTH(src)
 
 	//rotate the pixel offsets too.
 	if((pixel_x || pixel_y) && (params & ROTATE_OFFSET))