minetest.register_biome({
    group_id = 0,
    name = "Ocean",
    terrain_type = "liquid",
    node_top = "default:gravel",
    node_filler = "default:stone",
    num_top_nodes = 4,
    height_min = -3000,
    height_max = 3000,
    heat_min = -20.0,
    heat_max = 100.0,
    humidity_min = 0.0,
    humidity_max = 100.0,
    scale = 10.0,
    offset = -10.0,
})

minetest.register_biome({
    group_id = 1,
    name = "Beach",
    terrain_type = "normal",
    node_top = "default:sand",
    node_filler = "default:stone",
    num_top_nodes = 5,
    height_min = -3000,
    height_max = 3000,
    heat_min = 60.0,
    heat_max = 100.0,
    humidity_min = 0.0,
    humidity_max = 100.0,
    scale = 5.0,
    offset = 5.0,
})

minetest.register_biome({
    group_id = 1,
    name = "Gravel Beach",
    terrain_type = "normal",
    node_top = "default:gravel",
    node_filler = "default:cobble",
    num_top_nodes = 5,
    height_min = -3000,
    height_max = 3000,
    heat_min = 0.0,
    heat_max = 59.99,
    humidity_min = 0.0,
    humidity_max = 100.0,
    scale = 5.0,
    offset = 5.0,
})

minetest.register_biome({
    group_id = 2,
    name = "Land",
    terrain_type = "normal",
    node_top = "default:dirt_with_grass",
    node_filler = "default:stone",
    num_top_nodes = 5,
    height_min = -3000,
    height_max = 3000,
    heat_min = -50.0,
    heat_max = 100.0,
    humidity_min = 0.0,
    humidity_max = 100.0,
    scale = 12.0,
    offset = 20.0,
})

minetest.register_biome({
    group_id = 3,
    name = "Hills",
    terrain_type = "normal",
    node_top = "default:dirt",
    node_filler = "default:stone",
    num_top_nodes = 3,
    height_min = -3000,
    height_max = 3000,
    heat_min = -50.0,
    heat_max = 100.0,
    humidity_min = 0.0,
    humidity_max = 100.0,
    scale = 60.0,
    offset = 20.0,
})