electric/mods/electric_biomes/biomes/grasslands.lua

local S = minetest.get_translator("electric_biomes")
minetest.register_biome({
    name = "grasslands",
    node_top = "mapgen_topsoil",
    depth_top = 1,
    node_filler = "mapgen_soil",
    depth_filler = 3,
    y_max = 1000,
    y_min = -3,
    heat_point = 50,
    humidity_point = 50,
})
ebiometrees.register_tree("electric_biomes:oak",{
  description = "Oak",
  groups = {flammable = 2},
  life = 30,
  growth_preferences = {
    {ebiometrees.directions.up},
    {
      ebiometrees.directions.north,
      ebiometrees.directions.east,
      ebiometrees.directions.south,
      ebiometrees.directions.west
    }
  },
  growth_limit = 10,
  age_max = 20,
})
minetest.register_node("electric_biomes:grass", {
  description = S("Grass"),
  tiles = {"electric_biomes_grass.png"},
  drawtype = "plantlike",
  visual_scale = 1.4,
  waving = 1,
  paramtype = "light",
  sunlight_propagates = true,
  walkable = false,
  buildable_to = true,
  groups = {snappy = 3, attached_node = 1,
    flora = 1, grass = 1, flammable = 1,
    fuel = 1
  },
})
minetest.register_alias("grass", "electric_biomes:grass")
minetest.register_alias("grassplant", "electric_biomes:grass")

minetest.register_decoration({
    deco_type = "simple",
    place_on = {"mapgen_topsoil"},
    sidelen = 16,
    fill_ratio = 0.9,
    biomes = {"grasslands"},
    y_max = 200,
    y_min = 1,
    decoration = "electric_biomes:grass",
})