From 92023639ecb38a19f969876d06ddaa36c5faebf2 Mon Sep 17 00:00:00 2001
From: coil <51716565+coil0@users.noreply.github.com>
Date: Sun, 11 Aug 2019 19:37:01 -0400
Subject: [PATCH] Use LBM to refresh display entities

It is cheaper than using an ABM.
---
 init.lua | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/init.lua b/init.lua
index 15260d7..dcce650 100644
--- a/init.lua
+++ b/init.lua
@@ -222,19 +222,17 @@ local function update_item(pos, node)
     end
 end
 
--- ABM to refresh entities after clearobjects
-minetest.register_abm({
+-- LBM to refresh entities after clearobjects
+minetest.register_lbm({
+    label = "Refresh vendor display",
+    name = "fancy_vend:display_refresh",
     nodenames = {"fancy_vend:display_node"},
-    interval = 60,
-    chance = 1,
-    action = function(pos, node, active_object_count, active_object_count_wider)
-        local num
-
-        num = #minetest.get_objects_inside_radius(pos, 0.5)
-        pos.y = pos.y - 1
-
-        if num > 0 then return end
-        update_item(pos, node)
+    run_at_every_load = true,
+    action = function(pos, node)
+        if not next(minetest.get_objects_inside_radius(pos, 0.5)) then
+            pos.y = pos.y - 1
+            update_item(pos, node)
+        end
     end
 })