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 })