Nukes recursive effects (#14936)

* [WIP] Nukes recursive effects

* Finishes the rest of the stuff

* Mochi tweaks

code/modules/mob/living/silicon/robot/robot.dm

@@ -107,7 +107,6 @@ GLOBAL_LIST_INIT(robot_verbs_default, list(
 	var/magpulse = 0
 	var/ionpulse = 0 // Jetpack-like effect.
 	var/ionpulse_on = 0 // Jetpack-like effect.
-	var/datum/effect_system/trail_follow/ion/ion_trail // Ionpulse effect.
 
 	var/datum/action/item_action/toggle_research_scanner/scanner = null
 	var/list/module_actions = list()
@@ -176,6 +175,13 @@ GLOBAL_LIST_INIT(robot_verbs_default, list(
 	diag_hud_set_borgcell()
 	scanner = new(src)
 	scanner.Grant(src)
+	RegisterSignal(src, COMSIG_MOVABLE_MOVED, .proc/create_trail)
+
+/mob/living/silicon/robot/proc/create_trail(datum/source, atom/oldloc, _dir, forced)
+	if(ionpulse_on)
+		var/turf/T = get_turf(oldloc)
+		if(!has_gravity(T))
+			new /obj/effect/particle_effect/ion_trails(T, _dir)
 
 /mob/living/silicon/robot/proc/init(alien, connect_to_AI = TRUE, mob/living/silicon/ai/ai_to_sync_to = null)
 	aiCamera = new/obj/item/camera/siliconcam/robot_camera(src)
@@ -609,16 +615,8 @@ GLOBAL_LIST_INIT(robot_verbs_default, list(
 		to_chat(src, "<span class='notice'>No thrusters are installed!</span>")
 		return
 
-	if(!ion_trail)
-		ion_trail = new
-		ion_trail.set_up(src)
-
 	ionpulse_on = !ionpulse_on
 	to_chat(src, "<span class='notice'>You [ionpulse_on ? null :"de"]activate your ion thrusters.</span>")
-	if(ionpulse_on)
-		ion_trail.start()
-	else
-		ion_trail.stop()
 	if(thruster_button)
 		thruster_button.icon_state = "ionpulse[ionpulse_on]"
 

code/modules/mob/living/simple_animal/hostile/retaliate/drone.dm

@@ -29,16 +29,18 @@
 	faction = list("malf_drone")
 	deathmessage = "suddenly breaks apart."
 	del_on_death = 1
-	var/datum/effect_system/trail_follow/ion/ion_trail
 	var/passive_mode = TRUE // if true, don't target anything.
 
 /mob/living/simple_animal/hostile/malf_drone/Initialize(mapload)
 	. = ..()
-	ion_trail = new
-	ion_trail.set_up(src)
-	ion_trail.start()
+	RegisterSignal(src, COMSIG_MOVABLE_MOVED, .proc/create_trail)
 	update_icons()
 
+/mob/living/simple_animal/hostile/malf_drone/proc/create_trail(datum/source, atom/oldloc, _dir, forced)
+	var/turf/T = get_turf(oldloc)
+	if(!has_gravity(T))
+		new /obj/effect/particle_effect/ion_trails(T, _dir)
+
 /mob/living/simple_animal/hostile/malf_drone/Process_Spacemove(check_drift = 0)
 	return 1