Add function to replace old nodes

init.lua

@@ -4,6 +4,16 @@
 local old_nodes = {}
 local old_entities = {}
 
+-- Old/Missing nodes that should be replaced with something currently in game
+local replace_nodes = {}
+
+
+-- "Replaces" an old/non-existent node
+local function replace_node(old_node, new_node)
+    minetest.register_alias(old_node, new_node)
+end
+
+
 for _,node_name in ipairs(old_nodes) do
     minetest.register_node(':'..node_name, {
         groups = {old=1},
@@ -26,3 +36,8 @@ for _,entity_name in ipairs(old_entities) do
         end,
     })
 end
+
+-- Replace old nodes
+for _, node_group in pairs(replace_nodes) do
+    replace_node(node_group[1], node_group[2])
+end