mods/main/grass_spread.lua

   1 --grass spread abm
   2 minetest.register_abm({
   3       label = "Grass Grow",
   4       nodenames = {"main:dirt"},
   5       neighbors = {"main:grass"},
   6       interval = 10,
   7       chance = 2000,
   8       action = function(pos)
   9             local light = minetest.get_node_light(pos, nil)
  10             --print(light)
  11             if light < 10 then
  12                   --print("failed to grow grass at "..dump(pos))
  13                   return
  14             end
  15             minetest.set_node(pos,{name="main:grass"})
  16       end,
  17 })