Attack chain migration: structures. (#30365)

* Attack chain migration: structures.

* whoops

* wth

code/modules/recycling/disposal-construction.dm

@@ -139,11 +139,11 @@
 	var/ispipe = is_pipe()
 	var/nicetype = get_nice_name()
 	var/turf/T = get_turf(src)
-	
+
 	if(T.intact)
 		to_chat(user, "<span class='warning'>You can only attach the [nicetype] if the floor plating is removed.</span>")
 		return
-	
+
 	if(ispipe)
 		anchored = !anchored
 		level = anchored ? 1 : 2
@@ -184,7 +184,8 @@
 			nicetype = "sorting pipe"
 	return nicetype
 
-/obj/structure/disposalconstruct/attackby__legacy__attackchain(obj/item/I, mob/user, params)
+/obj/structure/disposalconstruct/item_interaction(mob/living/user, obj/item/I, list/modifiers)
+	. = ITEM_INTERACT_COMPLETE
 	var/nicetype = get_nice_name()
 	var/ispipe = is_pipe() // Indicates if we should change the level of this pipe
 	var/turf/T = get_turf(src)

code/modules/recycling/disposal.dm

@@ -1043,11 +1043,11 @@
 //attack by item
 //weldingtool: unfasten and convert to obj/disposalconstruct
 
-/obj/structure/disposalpipe/attackby__legacy__attackchain(obj/item/I, mob/user, params)
+/obj/structure/disposalpipe/item_interaction(mob/living/user, obj/item/used, list/modifiers)
 	var/turf/T = get_turf(src)
 	if(T.intact || T.transparent_floor)
 		to_chat(user, "<span class='danger'>You can't interact with something that's under the floor!</span>")
-		return 		// prevent interaction with T-scanner revealed pipes and pipes under glass
+		return ITEM_INTERACT_COMPLETE // prevent interaction with T-scanner revealed pipes and pipes under glass
 
 	add_fingerprint(user)
 
@@ -1221,9 +1221,9 @@
 	if(mapping_fail)
 		stack_trace("[src] mapped incorrectly at [x],[y],[z] - [mapping_fail]")
 
-/obj/structure/disposalpipe/sortjunction/attackby__legacy__attackchain(obj/item/I, mob/user, params)
+/obj/structure/disposalpipe/sortjunction/item_interaction(mob/living/user, obj/item/I, list/modifiers)
 	if(..())
-		return
+		return ITEM_INTERACT_COMPLETE
 
 	if(istype(I, /obj/item/dest_tagger))
 		var/obj/item/dest_tagger/O = I
@@ -1244,6 +1244,7 @@
 			sort_type.Add(O.currTag)
 			to_chat(user, "<span class='notice'>Added [tag] to filter.</span>")
 		update_appearance(UPDATE_NAME|UPDATE_DESC)
+		return ITEM_INTERACT_COMPLETE
 
 /obj/structure/disposalpipe/sortjunction/update_name()
 	. = ..()
@@ -1423,18 +1424,18 @@
 		linked = D
 		D.linkedtrunk = src
 
-	// Override attackby so we disallow trunkremoval when somethings ontop
-/obj/structure/disposalpipe/trunk/attackby__legacy__attackchain(obj/item/I, mob/user, params)
-
+/// Disallow trunkremoval when something's on top
+/obj/structure/disposalpipe/trunk/item_interaction(mob/living/user, obj/item/I, list/modifiers)
 	//Disposal bins or chutes
 	//Disposal constructors
 	var/obj/structure/disposalconstruct/C = locate() in src.loc
 	if(C && C.anchored)
-		return
+		return ITEM_INTERACT_COMPLETE
 
 	var/turf/T = src.loc
 	if(T.intact || T.transparent_floor)
-		return		// prevent interaction with T-scanner revealed pipes
+		// prevent interaction with T-scanner revealed pipes
+		return ITEM_INTERACT_COMPLETE
 	src.add_fingerprint(user)
 
 	// would transfer to next pipe segment, but we are in a trunk

code/modules/recycling/sortingmachinery.dm

@@ -35,7 +35,8 @@
 
 	qdel(src)
 
-/obj/structure/big_delivery/attackby__legacy__attackchain(obj/item/W as obj, mob/user as mob, params)
+/obj/structure/big_delivery/item_interaction(mob/living/user, obj/item/W, list/modifiers)
+	. = ITEM_INTERACT_COMPLETE
 	if(istype(W, /obj/item/dest_tagger))
 		var/obj/item/dest_tagger/O = W