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mapgen.lua
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mapgen.lua
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------------------------------
-- MAPGEN
minetest.clear_registered_biomes()
minetest.clear_registered_decorations()
--minetest.clear_registered_ores()
--Ores
dofile(aotearoa.path .. "/ores.lua")
------------------------------------------------------------
-- BIOMES
----------------------------------
--altitude splits
--basement
local basement_max = -400
local basement_min = -15000
--ocean
local ocean_max = -21
local ocean_min = basement_max - 2
------------
--beaches
local beach_max = 3
local beach_min = ocean_max -2
--dunes
local dune_max = 5
local dune_min = beach_max -2
--coastal forest etc
local coastf_max = 14
local coastf_min = dune_max -2
--lowland forest etc
local lowf_max = 80
local lowf_min = coastf_max -2
--highland forest etc
local highf_max = 120
local highf_min = lowf_max -2
--alpine
local alp_max = 140
local alp_min = highf_max -2
--high alpine
local high_alp_max = 31000
local high_alp_min = alp_max -2
------------
--temp and humidity
-- many here for re-use and access!
--basement rock
--greywacke
local gw_heat = 50
local gw_hum = 40
--schist
local sch_heat = 40
local sch_hum = 50
--gneiss
local gn_heat = 10
local gn_hum = 70
--granite
local gr_heat = 10
local gr_hum = 90
--Oceans
--kermadec_ocean
local kerm_o_heat = 120
local kerm_o_hum = 0
-- north_eastern_ocean.
local n_east_o_heat = 90
local n_east_o_hum = 50
-- west_coast_north_ocean.
local wc_nth_o_heat = 50
local wc_nth_o_hum = 85
-- east_coast_north ocean.
local ec_nth_o_heat = 50
local ec_nth_o_hum = 0
-- north_cook_straight
local n_cook_o_heat = 50
local n_cook_o_hum = 50
-- south_cook_straight
local s_cook_o_heat = 30
local s_cook_o_hum = 50
-- west_coast_south_ocean
local wc_sth_o_heat = 30
local wc_sth_o_hum = 100
-- east_coast_south_ocean
local ec_sth_o_heat = 15
local ec_sth_o_hum = 5
-- fiordland_ocean.
local fiord_o_heat = 0
local fiord_o_hum = 90
-- southern_ocean
local sth_o_heat = 20
local sth_o_hum = 70
-- subantarctic ocean.
local subant_o_heat = 0
local subant_o_hum = 100
--Shorelines...(from beach to dunes)
--Normal sandy
local sandy_temp = 50
local sandy_hum = 50
--shelly beach
local shelly_temp = 80
local shelly_hum = 40
--gravel beaches
local gravel_temp = 30
local gravel_hum = 10
--subantarctic_shore (bare rock)
local subantartic_temp = 0
local subantartic_hum = 100
--volcanic_isle_shore (bare rock and volcanic)
local volcanic_isle_temp = 120
local volcanic_isle_hum = 0
--volcanic_field (bare basaltic volcanism)
local volcanic_field_temp = 120
local volcanic_field_hum = 48
--iron sands
local iron_temp = 50
local iron_hum = 85
--estuary
local estuary_temp = 85
local estuary_hum = 100
--southern estuary
local sth_estuary_temp = 30
local sth_estuary_hum = 100
--salt marsh
local s_marsh_temp = 50
local s_marsh_hum = 95
--Coastal forest etc...
--(i.e warm, subtropical ..also Kauri, mangroves t,)
local pohutukawa_temp = 90
local pohutukawa_hum = 50
--coastal scrub
local c_scrub_temp = 50
local c_scrub_hum = 50
--muttonbird_scrub
local muttonbird_temp = 20
local muttonbird_hum = 70
--tussock (also higher alt tussock)
local tussock_temp = 15
local tussock_hum = 5
--kahikatea_swamp
local kahi_swamp_temp = 30
local kahi_swamp_hum = 100
--raupo_swamp
local raupo_swamp_temp = 50
local raupo_swamp_hum = 145
--gumland
local gumland_temp = 110
local gumland_hum = 85
--fen
local fen_temp = 90
local fen_hum = 110
--peat_bog
local peat_temp = 50
local peat_hum = 120
--lowland forests etc...
--kauri uses pohutukawa
--northern podocarp
local npodo_temp = 70
local npodo_hum = 50
--southern podocarp
local spodo_temp = 30
local spodo_hum = 50
--fiordland forest
local fiord_temp = 0
local fiord_hum = 90
--kamahi
local kamahi_temp = 35
local kamahi_hum = 100
--Shrublands...
--broadleaf_scrub
local bl_scrub_temp = 50
local bl_scrub_hum = 50
--geothermal_scrub
local geo_scrub_temp = 60
local geo_scrub_hum = -10
--manuka_scrub
local ma_scrub_temp = 50
local ma_scrub_hum = 0
--matagouri_scrub..use tussock
--Highlands...
--pahautea forest
local pahautea_temp = 90
local pahautea_hum = 70
--rangipo_desert
local rangipo_temp = 90
local rangipo_hum = 0
--mt_beech
local mt_beech_temp = 40
local mt_beech_hum = 70
--mountain_tussock
local mt_tussock_temp = 30
local mt_tussock_hum = 30
--scree
local scree_temp = 10
local scree_hum = 0
-- alpine peat bog
local alpine_peat_temp = 50
local alpine_peat_hum = 100
------------------------------------------------------
--MANTLE
-- these occassionally turn up in caves below basement rock level
--cold mantle
minetest.register_biome({
name = "cold_mantle",
--node_dust = "",
node_top = "aotearoa:volcanic_sand",
depth_top = 10,
node_filler = "default:gravel",
depth_filler = 3,
--node_stone = "default:lava_source",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = -31000,
y_max = basement_min + 6000,
heat_point = 50,
humidity_point = 50,
})
--wet mantle
minetest.register_biome({
name = "wet_mantle",
--node_dust = "",
node_top = "aotearoa:boiling_mud_source",
depth_top = 10,
node_filler = "aotearoa:boiling_mud_source",
depth_filler = 3,
--node_stone = "default:lava_source",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = -31000,
y_max = basement_min + 3000,
heat_point = 60,
humidity_point = 60,
})
--mantle
minetest.register_biome({
name = "mantle",
--node_dust = "default:lava_source",
node_top = "default:lava_source",
depth_top = 10,
node_filler = "default:lava_source",
depth_filler = 3,
--node_stone = "default:lava_source",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = -31000,
y_max = basement_min + 1500,
heat_point = 70,
humidity_point = 30,
})
--------------------------------------------------------------
--BASEMENT ROCKS
--greywacke_basement
minetest.register_biome({
name = "greywacke_basement",
--node_dust = "",
node_top = "aotearoa:greywacke",
depth_top = 5,
node_filler = "aotearoa:greywacke",
depth_filler = 5,
node_stone = "aotearoa:greywacke",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = basement_min,
y_max = basement_max,
heat_point = gw_heat,
humidity_point = gw_hum,
})
--schist_basement
minetest.register_biome({
name = "schist_basement",
--node_dust = "",
node_top = "aotearoa:schist",
depth_top = 5,
node_filler = "aotearoa:schist",
depth_filler = 5,
node_stone = "aotearoa:schist",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = basement_min,
y_max = basement_max,
heat_point = sch_heat,
humidity_point = sch_hum,
})
--gneiss_basement
minetest.register_biome({
name = "gneiss_basement",
--node_dust = "",
node_top = "aotearoa:gneiss",
depth_top = 5,
node_filler = "aotearoa:gneiss",
depth_filler = 5,
node_stone = "aotearoa:gneiss",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = basement_min,
y_max = basement_max,
heat_point = gn_heat,
humidity_point = gn_hum,
})
--granite_basement
minetest.register_biome({
name = "granite_basement",
--node_dust = "",
node_top = "aotearoa:granite",
depth_top = 5,
node_filler = "aotearoa:granite",
depth_filler = 5,
node_stone = "aotearoa:granite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = basement_min,
y_max = basement_max,
heat_point = gr_heat,
humidity_point = gr_hum,
})
------------------------------------------------------------
--MARINE
--this also controls the shallow rocks,
--kermadec_ocean
minetest.register_biome({
name = "kermadec_ocean",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "aotearoa:andesite",
depth_filler = 2,
node_stone = "aotearoa:andesite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = kerm_o_heat,
humidity_point = kerm_o_hum,
})
--north_eastern_ocean
minetest.register_biome({
name = "north_eastern_ocean",
--node_dust = "",
node_top = "aotearoa:mud_sinking",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 6,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = n_east_o_heat,
humidity_point = n_east_o_hum,
})
--west_coast_north_ocean
minetest.register_biome({
name = "west_coast_north_ocean",
--node_dust = "",
node_top = "aotearoa:iron_sand",
depth_top = 1,
node_filler = "aotearoa:iron_sand",
depth_filler = 3,
node_stone = "aotearoa:grey_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = wc_nth_o_heat,
humidity_point = wc_nth_o_hum,
})
--east_coast_north ocean
minetest.register_biome({
name = "east_coast_north ocean",
--node_dust = "",
node_top = "aotearoa:mud_sinking",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 4,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = ec_nth_o_heat,
humidity_point = ec_nth_o_hum,
})
--north_cook_straight
minetest.register_biome({
name = "north_cook_straight",
--node_dust = "",
node_top = "aotearoa:mud",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 3,
node_stone = "aotearoa:greywacke",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = n_cook_o_heat,
humidity_point = n_cook_o_hum,
})
--south_cook_straight
minetest.register_biome({
name = "south_cook_straight",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:schist",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = s_cook_o_heat,
humidity_point = s_cook_o_hum,
})
--west_coast_south_ocean
minetest.register_biome({
name = "west_coast_south_ocean",
--node_dust = "",
node_top = "aotearoa:mud",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 3,
node_stone = "aotearoa:grey_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = wc_sth_o_heat,
humidity_point = wc_sth_o_hum,
})
--east_coast_south_ocean
minetest.register_biome({
name = "east_coast_south_ocean",
--node_dust = "",
node_top = "aotearoa:mud_sinking",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 6,
node_stone = "aotearoa:greywacke",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = ec_sth_o_heat,
humidity_point = ec_sth_o_hum,
})
--fiordland_ocean
minetest.register_biome({
name = "fiordland_ocean",
--node_dust = "",
node_top = "aotearoa:mud",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 2,
node_stone = "aotearoa:gneiss",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = fiord_o_heat,
humidity_point = fiord_o_hum,
})
--southern_ocean
minetest.register_biome({
name = "southern_ocean",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:gravel",
depth_filler = 1,
node_stone = "aotearoa:schist",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = sth_o_heat,
humidity_point = sth_o_hum,
})
--subantarctic_ocean
minetest.register_biome({
name = "subantarctic_ocean",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:gravel",
depth_filler = 1,
node_stone = "aotearoa:granite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
--node_river_water = "default:river_water_source",
y_min = ocean_min,
y_max = ocean_max,
heat_point = subant_o_heat,
humidity_point = subant_o_hum,
})
----------------------------------------------------
--SEASHORE
--Sandy Beach.
minetest.register_biome({
name = "sandy_beach",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 2,
y_min = beach_min,
y_max = beach_max,
heat_point = sandy_temp,
humidity_point = sandy_hum,
})
--Shelly Beach.
minetest.register_biome({
name = "shelly_beach",
--node_dust = "",
node_top = "aotearoa:seashells",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 1,
y_min = beach_min/5,
y_max = beach_max,
heat_point = shelly_temp,
humidity_point = shelly_hum,
})
--Gravel Beach
minetest.register_biome({
name = "gravel_beach",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 1,
y_min = beach_min,
y_max = beach_max,
heat_point = gravel_temp,
humidity_point = gravel_hum,
})
--subantarctic_shore
minetest.register_biome({
name = "subantarctic_shore",
--node_dust = "default:snow",
--node_top = "",
--depth_top = 1,
node_filler = "aotearoa:andesite",
depth_filler = 4,
node_stone = "aotearoa:granite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 1,
y_min = beach_min/2,
y_max = beach_max,
heat_point = subantartic_temp,
humidity_point = subantartic_hum,
})
--volcanic_isle_shore
minetest.register_biome({
name = "volcanic_isle_shore",
--node_dust = "default:gravel",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:gravel",
depth_filler = 1,
node_stone = "aotearoa:andesite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 1,
y_min = beach_min,
y_max = beach_max,
heat_point = volcanic_isle_temp,
humidity_point = volcanic_isle_hum,
})
--volcanic_field
minetest.register_biome({
name = "volcanic_field",
--node_dust = "default:gravel",
node_top = "aotearoa:scoria",
depth_top = 1,
node_filler = "aotearoa:scoria",
depth_filler = 8,
node_stone = "aotearoa:basalt",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "aotearoa:basalt",
node_riverbed = "aotearoa:basalt",
depth_riverbed = 5,
y_min = beach_min,
y_max = lowf_max/2,
heat_point = volcanic_field_temp,
humidity_point = volcanic_field_hum,
})
--Iron sand
minetest.register_biome({
name = "iron_sand_beach",
--node_dust = "",
node_top = "aotearoa:iron_sand",
depth_top = 3,
node_filler = "aotearoa:iron_sand",
depth_filler = 3,
node_stone = "aotearoa:grey_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 1,
y_min = beach_min,
y_max = beach_max,
heat_point = iron_temp,
humidity_point = iron_hum,
})
--Northern Estuary
minetest.register_biome({
name = "northern_estuary",
--node_dust = "",
node_top = "aotearoa:mud_sinking",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 10,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:mud",
depth_riverbed = 5,
y_min = beach_min,
y_max = beach_max,
heat_point = estuary_temp,
humidity_point = estuary_hum,
})
--Southern Estuary
minetest.register_biome({
name = "southern_estuary",
--node_dust = "",
node_top = "aotearoa:mud",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 5,
node_stone = "aotearoa:grey_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:mud",
depth_riverbed = 1,
y_min = beach_min,
y_max = beach_max,
heat_point = s_estuary_temp,
humidity_point = s_estuary_hum,
})
---------------
--DUNELANDS
--Pohutukawa Dunes
minetest.register_biome({
name = "pohutukawa_dunes",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 2,
y_min = dune_min,
y_max = dune_max,
heat_point = pohutukawa_temp,
humidity_point = pohutukawa_hum,
})
--Sand dunes
minetest.register_biome({
name = "sand_dunes",
--node_dust = "",
node_top = "default:sand",
depth_top = 1,
node_filler = "default:sand",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 2,
y_min = dune_min,
y_max = dune_max,
heat_point = sandy_temp,
humidity_point = sandy_hum,
})
--Iron Sand dunes
minetest.register_biome({
name = "iron_sand_dunes",
--node_dust = "",
node_top = "aotearoa:iron_sand",
depth_top = 3,
node_filler = "aotearoa:iron_sand",
depth_filler = 3,
node_stone = "aotearoa:grey_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 2,
y_min = dune_min,
y_max = dune_max,
heat_point = iron_temp,
humidity_point = iron_hum,
})
--Salt Marsh
minetest.register_biome({
name = "salt_marsh",
--node_dust = "",
node_top = "aotearoa:mud",
depth_top = 1,
node_filler = "aotearoa:mud",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:mud",
depth_riverbed = 2,
y_min = dune_min,
y_max = dune_max,
heat_point = s_marsh_temp,
humidity_point = s_marsh_hum,
})
--Gravel dunes
minetest.register_biome({
name = "gravel_dunes",
--node_dust = "",
node_top = "default:gravel",
depth_top = 1,
node_filler = "default:gravel",
depth_filler = 3,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 2,
y_min = dune_min,
y_max = dune_max,
heat_point = gravel_temp,
humidity_point = gravel_hum,
})
--subantarctic_coast
minetest.register_biome({
name = "subantarctic_coast",
node_dust = "default:snow",
node_top = "aotearoa:dirt_with_moss",
depth_top = 1,
node_filler = "aotearoa:andesite",
depth_filler = 4,
node_stone = "aotearoa:granite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 2,
y_min = dune_min,
y_max = coastf_max,
heat_point = subantartic_temp,
humidity_point = subantartic_hum,
})
--white_island (volcanic dunes)
minetest.register_biome({
name = "white_island",
--node_dust = "",
node_top = "aotearoa:volcanic_sand",
depth_top = 1,
node_filler = "aotearoa:volcanic_sand",
depth_filler = 5,
node_stone = "aotearoa:andesite",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 2,
y_min = dune_min,
y_max = lowf_max/2,
heat_point = volcanic_isle_temp,
humidity_point = volcanic_isle_hum,
})
------------------------------------------
-- COASTAL FORESTS
--Pohutukawa Forest
minetest.register_biome({
name = "pohutukawa_forest",
--node_dust = "",
node_top = "default:dirt_with_rainforest_litter",
depth_top = 1,
node_filler = "default:clay",
depth_filler = 2,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:river_sand",
depth_riverbed = 1,
y_min = coastf_min,
y_max = coastf_max,
heat_point = pohutukawa_temp,
humidity_point = pohutukawa_hum,
})
-- Coastal Scrub
minetest.register_biome({
name = "coastal_scrub",
--node_dust = "",
node_top = "default:dirt_with_grass",
depth_top = 1,
node_filler = "default:dirt",
depth_filler = 4,
node_stone = "aotearoa:pale_sandstone",
--node_water_top = "",
--depth_water_top = ,
--node_water = "",
node_river_water = "default:river_water_source",
node_riverbed = "aotearoa:gravel_with_algae",
depth_riverbed = 1,
y_min = coastf_min,
y_max = lowf_max/4,
heat_point = c_scrub_temp,
humidity_point = c_scrub_hum,
})
--Muttonbird Scrub
minetest.register_biome({