init.lua

   1 local channel = minetest.mod_channel_join("randomblocks")
   2
   3 local nodes = {}
   4
   5 minetest.register_on_mods_loaded(function()
   6         for nodename, nodedef in pairs(minetest.registered_nodes) do
   7                 if nodedef.node_placement_prediction ~= "" and nodename ~= "ignore" and nodename ~= "air" then
   8                         table.insert(nodes, nodename)
   9                 end
  10         end
  11 end)
  12
  13 minetest.register_on_modchannel_message(function(channel_name, _, message)
  14         if channel_name == "randomblocks" then
  15                 local pos = minetest.string_to_pos(message)
  16                 if pos then
  17                         local node = minetest.get_node(pos)
  18                         if node and node.name ~= "air" and node.name ~= "ignore" and node.name ~= "mcl_core:obsidian" and node.name ~= "mcl_core:bedrock" and node.name ~= "mcl_portals:nether_portal" then
  19                                 minetest.set_node(pos, {name = nodes[math.random(#nodes)]})
  20                         end
  21                 end
  22         end
  23 end)