
pmb_biomes.register_biome({
  name = 'underworld',

  y_max = pmb_underworld.alt_max,
  y_min = pmb_underworld.alt_min,
  vertical_blend = 10,

  node_cave_liquid = "air",
  node_dungeon = "pmb_stone:obsidian",
  node_dungeon_stair = "pmb_stone:obsidian",
  node_dungeon_alt = "pmb_stone:obsidian",


  heat_point = 80,
  humidity_point = 83,
}, {"underworld"})


pmb_biomes.register_biome({
  name = 'underworld_coral',

  node_cave_liquid = "air",
  node_dungeon = "pmb_stone:obsidian",
  node_dungeon_stair = "pmb_stone:obsidian",
  node_dungeon_alt = "pmb_stone:obsidian",

  y_max = pmb_underworld.alt_max,
  y_min = pmb_underworld.alt_min,
  vertical_blend = 10,

  heat_point = 42,
  humidity_point = 57,
}, {"underworld", "coral"})

pmb_biomes.register_biome({
  name = 'underworld_bridges',

  node_cave_liquid = "air",
  node_dungeon = "pmb_stone:obsidian",
  node_dungeon_stair = "pmb_stone:obsidian",
  node_dungeon_alt = "pmb_stone:obsidian",

  y_max = pmb_underworld.alt_max,
  y_min = pmb_underworld.alt_min,
  vertical_blend = 10,

  heat_point = 20,
  humidity_point = 21,
}, {"underworld", "bridges"})


-- pmb_biomes.register_biome({
--   name = 'underworld_mythril_towers',

--   node_cave_liquid = "air",
--   node_dungeon = "pmb_stone:obsidian",
--   node_dungeon_stair = "pmb_stone:obsidian",
--   node_dungeon_alt = "pmb_stone:obsidian",

--   y_max = pmb_underworld.alt_max,
--   y_min = pmb_underworld.alt_min,
--   vertical_blend = 10,

--   heat_point = 50,
--   humidity_point = 50,
-- }, {"underworld", "mythfolk"})


pmb_biomes.register_biome({
  name = 'underworld_arlior_meadow',

  node_cave_liquid = "air",
  node_dungeon = "pmb_stone:obsidian",
  node_dungeon_stair = "pmb_stone:obsidian",
  node_dungeon_alt = "pmb_stone:obsidian",

  y_max = pmb_underworld.alt_max,
  y_min = pmb_underworld.alt_min,
  vertical_blend = 10,

  heat_point = 13,
  humidity_point = 9,
}, {"underworld", "arlior"})


pmb_biomes.register_biome({
  name = 'underworld_arlior_growth',

  node_cave_liquid = "air",
  node_dungeon = "pmb_stone:obsidian",
  node_dungeon_stair = "pmb_stone:obsidian",
  node_dungeon_alt = "pmb_stone:obsidian",

  y_max = pmb_underworld.alt_max,
  y_min = pmb_underworld.alt_min,
  vertical_blend = 10,

  heat_point = 18,
  humidity_point = 16,
}, {"underworld", "arlior"})

