bug blood, ipc/slime hearts, blood gen protolathe

we're all gucchi now boys

code/game/atoms.dm

@@ -394,8 +394,10 @@
 		blood_splatter_icon = icon(initial(icon), initial(icon_state), , 1)		//we only want to apply blood-splatters to the initial icon_state for each object
 		blood_splatter_icon.Blend("#fff", ICON_ADD) 			//fills the icon_state with white (except where it's transparent)
 		blood_splatter_icon.Blend(icon('icons/effects/blood.dmi', "itemblood"), ICON_MULTIPLY) //adds blood and the remaining white areas become transparant
-		blood_splatter_icon.Blend(blood_DNA_to_color(), ICON_MULTIPLY)
-		add_overlay(blood_splatter_icon)
+
+	blood_overlay = image(blood_splatter_icon)
+	blood_overlay.color = blood_DNA_to_color()
+	add_overlay(blood_overlay)
 
 /obj/item/clothing/gloves/add_blood(mob/living/carbon/M)
 	. = ..()

code/game/objects/items.dm

@@ -113,6 +113,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 
 	//Blood overlay things
 	var/blood_color
+	var/image/blood_overlay = null //this saves our blood splatter overlay, which will be processed not to go over the edges of the sprite
 
 /obj/item/Initialize()