P1 iron: nuggets, ore, clay, kiln, smelter, forge, iron tools and arrows, lantern, tool wear and repair

scripts/core/item_db.gd

@@ -109,6 +109,16 @@ func item_name(id: String) -> String:
 func stack_size(id: String) -> int:
 	return int(items.get(id, {}).get("stack", 1))
 
+## How many uses a tool or weapon has when new (0 = it never wears out).
+func max_durability(id: String) -> int:
+	return int(items.get(id, {}).get("durability", 0))
+
+## Uses left on a stack (its max if it's never been used, or it can't wear).
+func durability(stack) -> int:
+	if stack == null:
+		return 0
+	return int(stack.get("dur", max_durability(stack.id)))
+
 func mesh_for(id: String) -> ArrayMesh:
 	return ItemMeshes.build(items.get(id, {}).get("mesh", id))