fix simple mob bellies

code/modules/mob/living/simple_mob/simple_mob_vr.dm

@@ -70,6 +70,21 @@
 	if(myid)
 		return myid
 
+// Update fullness based on size & quantity of belly contents
+/mob/living/simple_mob/update_fullness(returning)
+	to_world("[src] update_fullness")
+	var/new_fullness = 0
+	for(var/obj/belly/B as anything in vore_organs)
+		for(var/mob/living/M in B)
+			//RS edit start
+			if(!M.absorbed || B.count_absorbed_prey_for_sprite)
+				new_fullness += M.size_multiplier
+			//RS edit end
+	new_fullness = new_fullness / size_multiplier //Divided by pred's size so a macro mob won't get macro belly from a regular prey.
+	new_fullness = new_fullness * belly_size_multiplier // Some mobs are small even at 100% size. Let's account for that.
+	new_fullness = round(new_fullness, 1) // Because intervals of 0.25 are going to make sprite artists cry.
+	vore_fullness = min(vore_capacity, new_fullness)
+
 /mob/living/simple_mob/update_icon()
 	. = ..()
 	if(vore_active)

code/modules/vore/eating/belly_obj_vr.dm

@@ -194,13 +194,13 @@
 		"You feel your %belly beginning to become active!")
 
 	var/list/digest_chance_messages_prey = list(
-		"In response to your struggling, %owner's %belly begins to get more active...")
+		"In response to your struggling, %pred's %belly begins to get more active...")
 
 	var/list/absorb_chance_messages_owner = list(
 		"You feel your %belly start to cling onto its contents...")
 
 	var/list/absorb_chance_messages_prey = list(
-		"In response to your struggling, %owner's %belly begins to cling more tightly...")
+		"In response to your struggling, %pred's %belly begins to cling more tightly...")
 	//RS EDIT END
 	var/list/select_chance_messages_owner = list(
 		"You feel your %belly beginning to become active!")