its a lil janky but we take those (#15834)

Co-authored-by: Hatterhat <Hatterhat@users.noreply.github.com>

code/_onclick/hud/screen_objects.dm

@@ -720,3 +720,28 @@
 /atom/movable/screen/component_button/Click(params)
 	if(parent)
 		parent.component_click(src, params)
+
+/atom/movable/screen/combo
+	icon_state = ""
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+	screen_loc = ui_combo
+	layer = ABOVE_HUD_LAYER
+	var/timerid
+
+/atom/movable/screen/combo/proc/clear_streak()
+	cut_overlays()
+	icon_state = ""
+
+/atom/movable/screen/combo/update_icon_state(streak = "")
+	clear_streak()
+	if (timerid)
+		deltimer(timerid)
+	if (!streak)
+		return
+	timerid = addtimer(CALLBACK(src, .proc/clear_streak), 20, TIMER_UNIQUE | TIMER_STOPPABLE)
+	icon_state = "combo"
+	for (var/i = 1; i <= length(streak); ++i)
+		var/intent_text = copytext(streak, i, i + 1)
+		var/image/intent_icon = image(icon,src,"combo_[intent_text]")
+		intent_icon.pixel_x = 16 * (i - 1) - 8 * length(streak)
+		add_overlay(intent_icon)