changes

code/game/objects/effects/decals/cleanable/misc.dm

@@ -12,6 +12,8 @@
 	icon_state = "ash"
 	mergeable_decal = FALSE
 	beauty = -50
+	persistent = TRUE
+	persistence_allow_stacking = TRUE
 
 /obj/effect/decal/cleanable/ash/Initialize()
 	. = ..()
@@ -38,6 +40,8 @@
 	icon = 'icons/obj/shards.dmi'
 	icon_state = "tiny"
 	beauty = -100
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/glass/Initialize()
 	. = ..()
@@ -94,6 +98,8 @@
 	light_color = LIGHT_COLOR_GREEN
 	icon_state = "greenglow"
 	beauty = -300
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/greenglow/Initialize(mapload)
 	. = ..()
@@ -122,6 +128,8 @@
 	icon_state = "molten"
 	mergeable_decal = FALSE
 	beauty = -150
+	persistent = TRUE
+	persistence_allow_stacking = TRUE
 
 /obj/effect/decal/cleanable/molten_object/large
 	name = "big gooey grey mass"
@@ -136,6 +144,7 @@
 	icon_state = "vomit_1"
 	random_icon_states = list("vomit_1", "vomit_2", "vomit_3", "vomit_4")
 	beauty = -150
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/vomit/on_attack_hand(mob/user, act_intent = user.a_intent, unarmed_attack_flags)
 	if(ishuman(user))
@@ -151,6 +160,10 @@
 			reagents.trans_to(H, reagents.total_volume)
 			qdel(src)
 
+/obj/effect/decal/cleanable/vomit/PersistenceSave(list/data)
+	. = ..()
+	return /obj/effect/decal/cleanable/vomit/old
+
 /obj/effect/decal/cleanable/vomit/old
 	name = "crusty dried vomit"
 	desc = "You try not to look at the chunks, and fail."
@@ -166,12 +179,16 @@
 	icon = 'icons/effects/tomatodecal.dmi'
 	random_icon_states = list("tomato_floor1", "tomato_floor2", "tomato_floor3")
 	beauty = -100
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/plant_smudge
 	name = "plant smudge"
 	gender = NEUTER
 	icon = 'icons/effects/tomatodecal.dmi'
 	random_icon_states = list("smashed_plant")
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/egg_smudge
 	name = "smashed egg"
@@ -179,6 +196,8 @@
 	gender = NEUTER
 	icon = 'icons/effects/tomatodecal.dmi'
 	random_icon_states = list("smashed_egg1", "smashed_egg2", "smashed_egg3")
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/pie_smudge //honk
 	name = "smashed pie"
@@ -186,6 +205,8 @@
 	gender = NEUTER
 	icon = 'icons/effects/tomatodecal.dmi'
 	random_icon_states = list("smashed_pie")
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/chem_pile
 	name = "chemical pile"
@@ -193,6 +214,8 @@
 	gender = NEUTER
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "ash"
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/shreds
 	name = "shreds"
@@ -200,6 +223,8 @@
 	icon_state = "shreds"
 	gender = PLURAL
 	mergeable_decal = FALSE
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/shreds/ex_act(severity, target)
 	if(severity == 1) //so shreds created during an explosion aren't deleted by the explosion.
@@ -222,6 +247,8 @@
 	desc = "The herpes of arts and crafts."
 	icon = 'icons/effects/atmospherics.dmi'
 	gender = NEUTER
+	mergeable_decal = TRUE
+	persistent = TRUE
 
 /obj/effect/decal/cleanable/glitter/pink
 	name = "pink glitter"
@@ -247,3 +274,5 @@
 	icon = 'icons/effects/blood.dmi'
 	icon_state = "xfloor1"
 	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")
+	mergeable_decal = TRUE
+	persistent = TRUE