Persistent trash

code/game/objects/items/trash.dm

@@ -10,10 +10,50 @@
 	desc = "General waste material, refuse or litter. Dispose responsibly."
 	drop_sound = 'sound/items/drop/wrapper.ogg'
 	pickup_sound = 'sound/items/pickup/wrapper.ogg'
+	persistance_expiration_time_days = 3
 
 /obj/item/trash/attack(mob/living/target_mob, mob/living/user, target_zone)
 	return
 
+/obj/item/trash/dropped(mob/user)
+	..()
+	// Trash becomes persistent only when it's not dropped in a maint or disposals, otherwise it gets deregistered
+	var/turf/T = get_turf(src)
+	if(T)
+		var/area/A = get_area(T)
+		if(A)
+			if(!findtext(lowertext(A.name), "maint") && A.name != "Disposals and Recycling")
+				SSpersistence.register_track(src, usr == null ? null : ckey(usr.key))
+				return
+	SSpersistence.deregister_track(src)
+
+/obj/item/trash/equipped(mob/user, slot, initial = FALSE)
+	..()
+	SSpersistence.deregister_track(src) // The moment trash gets picked up it's no longer persistent
+
+/obj/item/trash/persistence_get_content()
+	var/list/content = list()
+	content["name"] = name
+	content["desc"] = desc
+	content["icon"] = icon
+	content["icon_state"] = icon_state
+	content["item_state"] = item_state
+	content["drop_sound"] = drop_sound
+	content["pickup_sound"] = pickup_sound
+	return content
+
+/obj/item/trash/persistence_apply_content(content, x, y, z)
+	name = content["name"]
+	desc = content["desc"]
+	icon = file(content["icon"])
+	icon_state = content["icon_state"]
+	item_state = content["item_state"]
+	drop_sound = file(content["drop_sound"])
+	pickup_sound = file(content["pickup_sound"])
+	src.x = x
+	src.y = y
+	src.z = z
+
 /obj/item/trash/koisbar
 	name = "\improper k'ois bar wrapper"
 	icon_state = "koisbar"

code/modules/recycling/disposal.dm

@@ -1714,6 +1714,17 @@
 
 	return
 
+/obj/item/trash/pipe_eject(var/direction)
+	// Trash becomes persistent only when it's not dropped in a maint or disposals, otherwise it gets deregistered
+	var/turf/T = get_turf(src)
+	if(T)
+		var/area/A = get_area(T)
+		if(A)
+			if(!findtext(lowertext(A.name), "maint") && A.name != "Disposals and Recycling")
+				SSpersistence.register_track(src, src.persistence_author_ckey)
+				return
+	SSpersistence.deregister_track(src)
+
 /obj/effect/decal/cleanable/blood/gibs/pipe_eject(var/direction)
 	var/list/dirs
 	if(direction)

html/changelogs/fabiank3-persistent-trash.yml

@@ -0,0 +1,6 @@
+author: FabianK3
+
+delete-after: True
+
+changes:
+  - rscadd: "Added trash (primarily from snacks) to the persistence system. Trash will become persistent when it's dropped unless it's in a maint, in the disposals room or gets picked up again. Persistent trash can be found up to three days later."