fixes and runtimes

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

@@ -5,6 +5,7 @@
 	layer = LOW_OBJ_LAYER
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6")
 	mergeable_decal = FALSE
+	bloodiness = 0
 	var/body_colors = "#e3ba84"	//a default color just in case.
 	var/gibs_reagent_id = "liquidgibs"
 	var/gibs_bloodtype = "A+"

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

@@ -5,12 +5,12 @@
 	icon_state = "floor1"
 	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")
 	blood_state = BLOOD_STATE_BLOOD
-	bloodiness = MAX_SHOE_BLOODINESS
+	bloodiness = BLOOD_AMOUNT_PER_DECAL
 	color = BLOOD_COLOR_HUMAN //default so we don't have white splotches everywhere.
 
 /obj/effect/decal/cleanable/blood/replace_decal(obj/effect/decal/cleanable/blood/C)
 	if (C.blood_DNA)
-		blood_DNA |= C.blood_DNA.Copy()
+		blood_DNA |= C.blood_DNA
 	update_icon()
 	..()
 

code/game/objects/items/stacks/stack.dm

@@ -390,10 +390,14 @@
 		. = ..()
 
 /obj/item/stack/proc/copy_evidences(obj/item/stack/from)
-	blood_DNA = from.blood_DNA
-	fingerprints  = from.fingerprints
-	fingerprintshidden  = from.fingerprintshidden
-	fingerprintslast  = from.fingerprintslast
+	if(from.blood_DNA)
+		blood_DNA = from.blood_DNA.Copy()
+	if(from.fingerprints)
+		fingerprints = from.fingerprints.Copy()
+	if(from.fingerprintshidden)
+		fingerprintshidden = from.fingerprintshidden.Copy()
+	if(from.fingerprintslast)
+		fingerprintslast = from.fingerprintslast
 	//TODO bloody overlay
 
 /obj/item/stack/microwave_act(obj/machinery/microwave/M)
@@ -437,4 +441,4 @@
 
 /datum/stack_recipe_list/New(title, recipes)
 	src.title = title
-	src.recipes = recipes
+	src.recipes = recipes

code/game/objects/items/storage/toolbox.dm

@@ -34,7 +34,7 @@ GLOBAL_LIST_EMPTY(rubber_toolbox_icons)
 /obj/item/storage/toolbox/update_icon()
 	..()
 	cut_overlays()
-	if(blood_DNA && blood_DNA.len)
+	if(length(blood_DNA))
 		add_blood_overlay()
 	if(has_latches)
 		var/icon/I = icon('icons/obj/storage.dmi', latches)