2 Add granual biome settings

README.md

@@ -9,6 +9,7 @@ It also adds structures, dungeons with loot chests, and custom skyboxes based on
 
 ## Features
 
+* granual biome settings
 * custom sounds for some blocks, biomes
 * custom textures
 * custom biomes and cavern biomes

api.lua

@@ -933,7 +933,146 @@ Everness = {
                 }
             },
         }
-    }
+    },
+    settings = {
+        biomes = {
+            everness_coral_forest = {
+                enabled = minetest.settings:get_bool('everness_coral_forest', true),
+                y_max = tonumber(minetest.settings:get('everness_coral_forest_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_coral_forest_y_min')) or 6,
+            },
+            everness_coral_forest_dunes = {
+                enabled = minetest.settings:get_bool('everness_coral_forest_dunes', true),
+                y_max = tonumber(minetest.settings:get('everness_coral_forest_dunes_y_max')) or 5,
+                y_min = tonumber(minetest.settings:get('everness_coral_forest_dunes_y_min')) or 4,
+            },
+            everness_coral_forest_ocean = {
+                enabled = minetest.settings:get_bool('everness_coral_forest_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_coral_forest_ocean_y_max')) or 3,
+                y_min = tonumber(minetest.settings:get('everness_coral_forest_ocean_y_min')) or -255,
+            },
+            everness_coral_forest_under = {
+                enabled = minetest.settings:get_bool('everness_coral_forest_under', true),
+                y_max = tonumber(minetest.settings:get('everness_coral_forest_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_coral_forest_under_y_min')) or -31000,
+            },
+            everness_frosted_icesheet = {
+                enabled = minetest.settings:get_bool('everness_frosted_icesheet', true),
+                y_max = tonumber(minetest.settings:get('everness_frosted_icesheet_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_frosted_icesheet_y_min')) or -8,
+            },
+            everness_frosted_icesheet_ocean = {
+                enabled = minetest.settings:get_bool('everness_frosted_icesheet_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_frosted_icesheet_ocean_y_max')) or -9,
+                y_min = tonumber(minetest.settings:get('everness_frosted_icesheet_ocean_y_min')) or -255,
+            },
+            everness_frosted_icesheet_under = {
+                enabled = minetest.settings:get_bool('everness_frosted_icesheet_under', true),
+                y_max = tonumber(minetest.settings:get('everness_frosted_icesheet_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_frosted_icesheet_under_y_min')) or -31000,
+            },
+            everness_cursed_lands = {
+                enabled = minetest.settings:get_bool('everness_cursed_lands', true),
+                y_max = tonumber(minetest.settings:get('everness_cursed_lands_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_cursed_lands_y_min')) or 6,
+            },
+            everness_cursed_lands_dunes = {
+                enabled = minetest.settings:get_bool('everness_cursed_lands_dunes', true),
+                y_max = tonumber(minetest.settings:get('everness_cursed_lands_dunes_y_max')) or 5,
+                y_min = tonumber(minetest.settings:get('everness_cursed_lands_dunes_y_min')) or 1,
+            },
+            everness_cursed_lands_swamp = {
+                enabled = minetest.settings:get_bool('everness_cursed_lands_swamp', true),
+                y_max = tonumber(minetest.settings:get('everness_cursed_lands_swamp_y_max')) or 0,
+                y_min = tonumber(minetest.settings:get('everness_cursed_lands_swamp_y_min')) or -1,
+            },
+            everness_cursed_lands_ocean = {
+                enabled = minetest.settings:get_bool('everness_cursed_lands_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_cursed_lands_ocean_y_max')) or -2,
+                y_min = tonumber(minetest.settings:get('everness_cursed_lands_ocean_y_min')) or -255,
+            },
+            everness_cursed_lands_under = {
+                enabled = minetest.settings:get_bool('everness_cursed_lands_under', true),
+                y_max = tonumber(minetest.settings:get('everness_cursed_lands_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_cursed_lands_under_y_min')) or -31000,
+            },
+            everness_crystal_forest = {
+                enabled = minetest.settings:get_bool('everness_crystal_forest', true),
+                y_max = tonumber(minetest.settings:get('everness_crystal_forest_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_crystal_forest_y_min')) or 6,
+            },
+            everness_crystal_forest_dunes = {
+                enabled = minetest.settings:get_bool('everness_crystal_forest_dunes', true),
+                y_max = tonumber(minetest.settings:get('everness_crystal_forest_dunes_y_max')) or 5,
+                y_min = tonumber(minetest.settings:get('everness_crystal_forest_dunes_y_min')) or 1,
+            },
+            everness_crystal_forest_shore = {
+                enabled = minetest.settings:get_bool('everness_crystal_forest_shore', true),
+                y_max = tonumber(minetest.settings:get('everness_crystal_forest_shore_y_max')) or 0,
+                y_min = tonumber(minetest.settings:get('everness_crystal_forest_shore_y_min')) or -1,
+            },
+            everness_crystal_forest_ocean = {
+                enabled = minetest.settings:get_bool('everness_crystal_forest_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_crystal_forest_ocean_y_max')) or -2,
+                y_min = tonumber(minetest.settings:get('everness_crystal_forest_ocean_y_min')) or -255,
+            },
+            everness_crystal_forest_under = {
+                enabled = minetest.settings:get_bool('everness_crystal_forest_under', true),
+                y_max = tonumber(minetest.settings:get('everness_crystal_forest_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_crystal_forest_under_y_min')) or -31000,
+            },
+            everness_bamboo_forest = {
+                enabled = minetest.settings:get_bool('everness_bamboo_forest', true),
+                y_max = tonumber(minetest.settings:get('everness_bamboo_forest_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_bamboo_forest_y_min')) or 1,
+            },
+            everness_bamboo_forest_under = {
+                enabled = minetest.settings:get_bool('everness_bamboo_forest_under', true),
+                y_max = tonumber(minetest.settings:get('everness_bamboo_forest_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_bamboo_forest_under_y_min')) or -31000,
+            },
+            everness_forsaken_desert = {
+                enabled = minetest.settings:get_bool('everness_forsaken_desert', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_desert_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_desert_y_min')) or 4,
+            },
+            everness_forsaken_desert_ocean = {
+                enabled = minetest.settings:get_bool('everness_forsaken_desert_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_desert_ocean_y_max')) or 3,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_desert_ocean_y_min')) or -8,
+            },
+            everness_forsaken_desert_under = {
+                enabled = minetest.settings:get_bool('everness_forsaken_desert_under', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_desert_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_desert_under_y_min')) or -31000,
+            },
+            everness_baobab_savanna = {
+                enabled = minetest.settings:get_bool('everness_baobab_savanna', true),
+                y_max = tonumber(minetest.settings:get('everness_baobab_savanna_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_baobab_savanna_y_min')) or 1,
+            },
+            everness_forsaken_tundra = {
+                enabled = minetest.settings:get_bool('everness_forsaken_tundra', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_tundra_y_max')) or 31000,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_tundra_y_min')) or 2,
+            },
+            everness_forsaken_tundra_beach = {
+                enabled = minetest.settings:get_bool('everness_forsaken_tundra_beach', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_tundra_beach_y_max')) or 1,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_tundra_beach_y_min')) or -3,
+            },
+            everness_forsaken_tundra_ocean = {
+                enabled = minetest.settings:get_bool('everness_forsaken_tundra_ocean', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_tundra_ocean_y_max')) or -4,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_tundra_ocean_y_min')) or -255,
+            },
+            everness_forsaken_tundra_under = {
+                enabled = minetest.settings:get_bool('everness_forsaken_tundra_under', true),
+                y_max = tonumber(minetest.settings:get('everness_forsaken_tundra_under_y_max')) or -256,
+                y_min = tonumber(minetest.settings:get('everness_forsaken_tundra_under_y_min')) or -31000,
+            },
+        }
+    },
 }
 
 function Everness.grow_cactus(self, pos, node, params)

init.lua

@@ -23,17 +23,127 @@ local mod_start_time = minetest.get_us_time()
 
 dofile(path .. '/api.lua')
 dofile(path .. '/nodes.lua')
-dofile(path .. '/nodes.lua')
+dofile(path .. '/bamboo.lua')
+dofile(path .. '/functions.lua')
+dofile(path .. '/trees.lua')
+dofile(path .. '/vines.lua')
+
+dofile(path .. '/mapgen.lua')
+
+if Everness.settings.biomes.everness_bamboo_forest_under.enabled then
+    dofile(path .. '/mapgen_bamboo_forest_under.lua')
+end
+
+if Everness.settings.biomes.everness_bamboo_forest.enabled then
+    dofile(path .. '/mapgen_bamboo_forest.lua')
+end
+
+if Everness.settings.biomes.everness_baobab_savanna.enabled then
+    dofile(path .. '/mapgen_baobab_savanna.lua')
+end
+
+if Everness.settings.biomes.everness_coral_forest_dunes.enabled then
+    dofile(path .. '/mapgen_coral_forest_dunes.lua')
+end
+
+if Everness.settings.biomes.everness_coral_forest_ocean.enabled then
+    dofile(path .. '/mapgen_coral_forest_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_coral_forest_under.enabled then
+    dofile(path .. '/mapgen_coral_forest_under.lua')
+end
+
+if Everness.settings.biomes.everness_coral_forest.enabled then
+    dofile(path .. '/mapgen_coral_forest.lua')
+end
+
+if Everness.settings.biomes.everness_crystal_forest_dunes.enabled then
+    dofile(path .. '/mapgen_crystal_forest_dunes.lua')
+end
+
+if Everness.settings.biomes.everness_crystal_forest_ocean.enabled then
+    dofile(path .. '/mapgen_crystal_forest_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_crystal_forest_shore.enabled then
+    dofile(path .. '/mapgen_crystal_forest_shore.lua')
+end
+
+if Everness.settings.biomes.everness_crystal_forest_under.enabled then
+    dofile(path .. '/mapgen_crystal_forest_under.lua')
+end
+
+if Everness.settings.biomes.everness_crystal_forest.enabled then
+    dofile(path .. '/mapgen_crystal_forest.lua')
+end
+
+if Everness.settings.biomes.everness_cursed_lands_dunes.enabled then
+    dofile(path .. '/mapgen_cursed_lands_dunes.lua')
+end
+
+if Everness.settings.biomes.everness_cursed_lands_ocean.enabled then
+    dofile(path .. '/mapgen_cursed_lands_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_cursed_lands_swamp.enabled then
+    dofile(path .. '/mapgen_cursed_lands_swamp.lua')
+end
+
+if Everness.settings.biomes.everness_cursed_lands_under.enabled then
+    dofile(path .. '/mapgen_cursed_lands_under.lua')
+end
+
+if Everness.settings.biomes.everness_cursed_lands.enabled then
+    dofile(path .. '/mapgen_cursed_lands.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_desert_ocean.enabled then
+    dofile(path .. '/mapgen_forsaken_desert_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_desert_under.enabled then
+    dofile(path .. '/mapgen_forsaken_desert_under.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_desert.enabled then
+    dofile(path .. '/mapgen_forsaken_desert.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_tundra_beach.enabled then
+    dofile(path .. '/mapgen_forsaken_tundra_beach.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_tundra_ocean.enabled then
+    dofile(path .. '/mapgen_forsaken_tundra_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_tundra_under.enabled then
+    dofile(path .. '/mapgen_forsaken_tundra_under.lua')
+end
+
+if Everness.settings.biomes.everness_forsaken_tundra.enabled then
+    dofile(path .. '/mapgen_forsaken_tundra.lua')
+end
+
+if Everness.settings.biomes.everness_frosted_icesheet_ocean.enabled then
+    dofile(path .. '/mapgen_frosted_icesheet_ocean.lua')
+end
+
+if Everness.settings.biomes.everness_frosted_icesheet_under.enabled then
+    dofile(path .. '/mapgen_frosted_icesheet_under.lua')
+end
+
+if Everness.settings.biomes.everness_frosted_icesheet.enabled then
+    dofile(path .. '/mapgen_frosted_icesheet.lua')
+end
+
+dofile(path .. '/mapgen_after.lua')
 
 if minetest.get_modpath('xpanes') and minetest.global_exists('xpanes') then
     dofile(path .. '/panes.lua')
 end
 
-dofile(path .. '/bamboo.lua')
-dofile(path .. '/functions.lua')
-dofile(path .. '/trees.lua')
-dofile(path .. '/mapgen.lua')
-
 if minetest.get_modpath('stairs') and minetest.global_exists('stairs') then
     dofile(path .. '/stairs.lua')
 end
@@ -48,7 +158,6 @@ if minetest.get_modpath('doors') and minetest.global_exists('doors') then
     dofile(path .. '/doors.lua')
 end
 
-dofile(path .. '/vines.lua')
 dofile(path .. '/tools.lua')
 dofile(path .. '/craftitems.lua')
 dofile(path .. '/crafting.lua')

mapgen_after.lua

@@ -0,0 +1,406 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+-- Get the content IDs for the nodes used.
+local c_air = minetest.get_content_id('air')
+local c_dirt_with_grass_1 = minetest.get_content_id('everness:dirt_with_grass_1')
+local c_dirt_with_rainforest_litter = minetest.get_content_id('default:dirt_with_rainforest_litter')
+local c_dirt_with_cursed_grass = minetest.get_content_id('everness:dirt_with_cursed_grass')
+local c_dirt_with_crystal_grass = minetest.get_content_id('everness:dirt_with_crystal_grass')
+local c_crystal_sand = minetest.get_content_id('everness:crystal_sand')
+local c_dry_ocean_dirt = minetest.get_content_id('everness:dry_ocean_dirt')
+local c_dirt_with_snow = minetest.get_content_id('default:dirt_with_snow')
+local c_dirt_with_coniferous_litter = minetest.get_content_id('default:dirt_with_coniferous_litter')
+local c_forsaken_desert_sand = minetest.get_content_id('everness:forsaken_desert_sand')
+local c_forsaken_desert_chiseled_stone = minetest.get_content_id('everness:forsaken_desert_chiseled_stone')
+local c_forsaken_desert_brick = minetest.get_content_id('everness:forsaken_desert_brick')
+local c_forsaken_desert_engraved_stone = minetest.get_content_id('everness:forsaken_desert_engraved_stone')
+
+local deco_ids_baobab = {
+    minetest.get_decoration_id('everness:baobab_savanna_baobab_tree_1'),
+    minetest.get_decoration_id('everness:baobab_savanna_baobab_tree_2')
+}
+
+local deco_id_coral_bones_tree = minetest.get_decoration_id('everness:coral_forest_coral_bones_tree')
+
+minetest.set_gen_notify('decoration', deco_ids_baobab)
+minetest.set_gen_notify('decoration', { deco_id_coral_bones_tree })
+
+-- Localise data buffer table outside the loop, to be re-used for all
+-- mapchunks, therefore minimising memory use.
+local data = {}
+
+minetest.register_on_generated(function(minp, maxp, blockseed)
+    local gennotify = minetest.get_mapgen_object('gennotify')
+
+    local chance = 15
+    local disp = 16
+    local rotations = { '0', '90', '180', '270' }
+    local rand = PcgRandom(blockseed)
+
+    local vm, emin, emax = minetest.get_mapgen_object('voxelmanip')
+    local area = VoxelArea:new({ MinEdge = emin, MaxEdge = emax })
+    -- Get the content ID data from the voxelmanip in the form of a flat array.
+    -- Set the buffer parameter to use and reuse 'data' for this.
+    vm:get_data(data)
+    local sidelength = maxp.x - minp.x + 1
+
+    local x_disp = rand:next(0, disp)
+    local z_disp = rand:next(0, disp)
+
+    if maxp.y > 0 then
+        --
+        -- Baobab Tree - fix light
+        --
+        for _, deco_id in ipairs(deco_ids_baobab) do
+            for _, pos in ipairs(gennotify['decoration#' .. deco_id] or {}) do
+                minetest.fix_light(vector.offset(pos, -1, -1, -1), vector.offset(pos, 24, 39, 24))
+            end
+        end
+
+        --
+        -- Coral bone tree - fix light
+        --
+        for _, pos in ipairs(gennotify['decoration#' .. deco_id_coral_bones_tree] or {}) do
+            minetest.fix_light(vector.offset(pos, -1, -1, -1), vector.offset(pos, 14, 35, 14))
+        end
+
+        --
+        -- Bamboo
+        --
+        local bamboos_pos = minetest.find_nodes_in_area_under_air(minp, maxp, 'everness:bamboo_3')
+
+        for _, pos in ipairs(bamboos_pos) do
+            local node_below = minetest.get_node(vector.new(pos.x, pos.y - 1, pos.z))
+
+            -- get height of the generated bamboo
+            local bamboo_height = 0
+            local height_offset = 1
+            local bamboo_below = node_below
+
+            while minetest.get_item_group(bamboo_below.name, 'bamboo') > 0 do
+                if bamboo_height > 1 then
+                    bamboo_below = minetest.get_node(vector.new(pos.x, pos.y - height_offset, pos.z))
+                end
+
+                height_offset = height_offset + 1
+                bamboo_height = bamboo_height + 1
+            end
+
+            -- add top bamboo nodes with leaves based on their generated heigth
+            for i = 1, 3 do
+                local node_name = 'everness:bamboo_4'
+
+                if i == 2 and bamboo_height > 4 then
+                    node_name = 'everness:bamboo_5'
+                elseif i == 3 then
+                    node_name = 'everness:bamboo_5'
+                end
+
+                minetest.swap_node(
+                    vector.new(pos.x, pos.y + (i - 1), pos.z),
+                    {
+                        name = node_name,
+                        param2 = node_below.param2
+                    }
+                )
+            end
+        end
+
+        for y = minp.y, maxp.y do
+            local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp)
+
+            if data[vi + area.ystride] == c_air
+                and (
+                    data[vi] == c_dirt_with_grass_1
+                    or data[vi] == c_dirt_with_rainforest_litter
+                    or data[vi] == c_dirt_with_cursed_grass
+                    or data[vi] == c_dirt_with_crystal_grass
+                    or data[vi] == c_crystal_sand
+                    or data[vi] == c_forsaken_desert_sand
+                    or data[vi] == c_dry_ocean_dirt
+                    or data[vi] == c_dirt_with_snow
+                    or data[vi] == c_dirt_with_coniferous_litter
+                )
+            then
+                local rotation = rotations[rand:next(1, #rotations)]
+                local s_pos = area:position(vi)
+                local biome_data = minetest.get_biome_data(s_pos)
+
+                if not biome_data then
+                    return
+                end
+
+                local biome_name = minetest.get_biome_name(biome_data.biome)
+
+                if not biome_name then
+                    return
+                end
+
+                if biome_name == 'everness_bamboo_forest' and rand:next(0, 100) < chance then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_japanese_shrine.mts'
+
+                    --
+                    -- Japanese Shrine
+                    --
+
+                    local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
+
+                    minetest.place_schematic_on_vmanip(
+                        vm,
+                        schem_pos,
+                        schem,
+                        rotation,
+                        nil,
+                        true,
+                        'place_center_x, place_center_z'
+                    )
+
+                    minetest.log('action', '[Everness] Japanese Shrine was placed at ' .. schem_pos:to_string())
+                elseif biome_name == 'rainforest' and rand:next(0, 100) < chance then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_jungle_temple.mts'
+
+                    --
+                    -- Jungle Temple
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y - 3, s_pos.z)
+
+                    minetest.place_schematic_on_vmanip(
+                        vm,
+                        schem_pos,
+                        schem,
+                        rotation,
+                        nil,
+                        true,
+                        'place_center_x, place_center_z'
+                    )
+
+                    minetest.log('action', '[Everness] Jungle Temple was placed at ' .. schem_pos:to_string())
+                elseif biome_name == 'everness_cursed_lands' and rand:next(0, 100) < chance then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_haunted_house.mts'
+
+                    --
+                    -- Haunted House
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y - 1, s_pos.z)
+
+                    minetest.place_schematic_on_vmanip(
+                        vm,
+                        schem_pos,
+                        schem,
+                        rotation,
+                        nil,
+                        true,
+                        'place_center_x, place_center_z'
+                    )
+
+                    minetest.log('action', '[Everness] Haunted House was placed at ' .. schem_pos:to_string())
+                elseif biome_name == 'everness_crystal_forest' and rand:next(0, 100) < chance then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_quartz_temple.mts'
+
+                    --
+                    -- Quartz Temple
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
+
+                    minetest.place_schematic_on_vmanip(
+                        vm,
+                        schem_pos,
+                        schem,
+                        rotation,
+                        nil,
+                        true,
+                        'place_center_x, place_center_z'
+                    )
+
+                    minetest.log('action', '[Everness] Quartz Temple was placed at ' .. schem_pos:to_string())
+                elseif (biome_name == 'everness_forsaken_desert' or biome_name == 'everness_forsaken_desert_ocean')
+                    and rand:next(0, 100) < chance
+                then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple.mts'
+
+                    --
+                    -- Forsaken Desert Temple
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
+
+                    minetest.place_schematic_on_vmanip(
+                        vm,
+                        schem_pos,
+                        schem,
+                        rotation,
+                        nil,
+                        true,
+                        'place_center_x, place_center_z'
+                    )
+
+                    minetest.log('action', '[Everness] Forsaken Desert Temple was placed at ' .. schem_pos:to_string())
+                elseif (biome_name == 'coniferous_forest' or biome_name == 'taiga')
+                    and rand:next(0, 100) < 100
+                then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_giant_sequoia_tree.mts'
+
+                    --
+                    -- Giant Sequoia
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
+
+                    minetest.emerge_area(
+                        vector.new(s_pos.x - 12, s_pos.y, s_pos.z - 12),
+                        vector.new(s_pos.x + 12, s_pos.y + 75, s_pos.z + 12),
+                        function(blockpos, action, calls_remaining, param)
+                            Everness:emerge_area(blockpos, action, calls_remaining, param)
+                        end,
+                        {
+                            callback = function()
+                                local positions = minetest.find_nodes_in_area_under_air(
+                                    vector.new(s_pos.x - 6, s_pos.y - 1, s_pos.z - 6),
+                                    vector.new(s_pos.x + 6, s_pos.y + 1, s_pos.z + 6),
+                                    {
+                                        'default:dirt_with_snow',
+                                        'default:dirt_with_coniferous_litter',
+                                        'default:snow'
+                                    })
+
+                                if #positions < 137 then
+                                    -- not enough space
+                                    return
+                                end
+
+                                minetest.place_schematic(
+                                    schem_pos,
+                                    schem,
+                                    rotation,
+                                    nil,
+                                    true,
+                                    'place_center_x, place_center_z'
+                                )
+
+                                minetest.log('action', '[Everness] Giant Sequoia was placed at ' .. schem_pos:to_string())
+                            end
+                        }
+                    )
+                end
+            end
+        end
+
+        vm:write_to_map(true)
+        minetest.fix_light(minp, maxp)
+    else
+        -- Under
+        for y = minp.y, maxp.y do
+            local vi = area:index(minp.x + sidelength / 2 + x_disp, y, minp.z + sidelength / 2 + z_disp)
+
+            if data[vi + area.ystride] == c_air
+                and (
+                    data[vi] == c_dirt_with_grass_1
+                    or data[vi] == c_forsaken_desert_sand
+                    or data[vi] == c_forsaken_desert_chiseled_stone
+                    or data[vi] == c_forsaken_desert_brick
+                    or data[vi] == c_forsaken_desert_engraved_stone
+                )
+            then
+                local rotation = rotations[rand:next(1, #rotations)]
+                local s_pos = area:position(vi)
+                local biome_data = minetest.get_biome_data(s_pos)
+
+                if not biome_data then
+                    return
+                end
+
+                local biome_name = minetest.get_biome_name(biome_data.biome)
+
+                if not biome_name then
+                    return
+                end
+
+                if biome_name == 'everness_forsaken_desert_under' and rand:next(0, 100) < chance then
+                    local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple_2.mts'
+
+                    --
+                    -- Forsaken Desert Temple 2
+                    --
+
+                    -- add Y displacement
+                    local schem_pos = vector.new(s_pos.x, s_pos.y, s_pos.z)
+
+                    -- find floor big enough
+                    local positions = minetest.find_nodes_in_area_under_air(
+                        vector.new(s_pos.x - 7, s_pos.y - 1, s_pos.z - 7),
+                        vector.new(s_pos.x + 7, s_pos.y + 1, s_pos.z + 7),
+                        {
+                            'everness:forsaken_desert_sand',
+                            'everness:forsaken_desert_chiseled_stone',
+                            'everness:forsaken_desert_brick',
+                            'everness:forsaken_desert_engraved_stone',
+                            'default:stone',
+                            'default:sand',
+                            'default:gravel',
+                            'default:stone_with_coal',
+                            'default:stone_with_iron',
+                            'default:stone_with_tin',
+                            'default:stone_with_gold',
+                            'default:stone_with_mese',
+                            'default:stone_with_diamond',
+                            'everness:cave_barrel_cactus',
+                            'everness:venus_trap',
+                            'everness:illumi_root',
+                        })
+
+                    if #positions < 49 then
+                        -- not enough space
+                        return
+                    end
+
+                    -- enough air to place structure ?
+                    local air_positions = minetest.find_nodes_in_area(
+                        vector.new(s_pos.x - 7, s_pos.y, s_pos.z - 7),
+                        vector.new(s_pos.x + 7, s_pos.y + 17, s_pos.z + 7),
+                        'air', true)
+
+                    if air_positions.air and #air_positions.air > (16 * 15 * 16)  / 2 then
+                        minetest.place_schematic_on_vmanip(
+                            vm,
+                            schem_pos,
+                            schem,
+                            rotation,
+                            nil,
+                            true,
+                            'place_center_x, place_center_z'
+                        )
+
+                        minetest.log('action', '[Everness] Forsaken Desert Temple 2 was placed at ' .. schem_pos:to_string())
+                    end
+                end
+            end
+        end
+
+        vm:write_to_map(true)
+        minetest.fix_light(minp, maxp)
+    end
+end)

mapgen_bamboo_forest.lua

@@ -0,0 +1,228 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_bamboo_forest.y_max
+local y_min = Everness.settings.biomes.everness_bamboo_forest.y_min
+
+-- Bamboo Forest
+
+minetest.register_biome({
+    name = 'everness_bamboo_forest',
+    node_top = 'everness:dirt_with_grass_1',
+    depth_top = 1,
+    node_filler = 'everness:dirt_1',
+    depth_filler = 1,
+    node_riverbed = 'default:sand',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 80,
+    humidity_point = 60,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_small_bamboo',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    sidelen = 80,
+    fill_ratio = 0.1,
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_small_bamboo.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_large_bamboo',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    sidelen = 80,
+    fill_ratio = 0.1,
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_large_bamboo.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+-- Jungle tree and log
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_jungle_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0015,
+        scale = 0.0021,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('default') .. '/schematics/jungle_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_jungle_log',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0015,
+        scale = 0.0021,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('default') .. '/schematics/jungle_log.mts',
+    flags = 'place_center_x',
+    rotation = 'random',
+    spawn_by = 'everness:dirt_with_grass_1',
+    num_spawn_by = 8,
+})
+
+local function register_grass_decoration(offset, scale, length)
+    minetest.register_decoration({
+        name = 'everness:bamboo_forest_grass_' .. length,
+        deco_type = 'simple',
+        place_on = { 'everness:dirt_with_grass_1' },
+        sidelen = 16,
+        noise_params = {
+            offset = offset,
+            scale = scale,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = 329,
+            octaves = 3,
+            persist = 0.6
+        },
+        biomes = { 'everness_bamboo_forest' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'default:grass_' .. length,
+    })
+end
+
+local function register_flower(seed, flower_name)
+    minetest.register_decoration({
+        name = 'everness:bamboo_forest_' .. flower_name,
+        deco_type = 'simple',
+        place_on = { 'everness:dirt_with_grass_1' },
+        sidelen = 16,
+        noise_params = {
+            offset = -0.02,
+            scale = 0.04,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = seed,
+            octaves = 3,
+            persist = 0.6
+        },
+        biomes = { 'everness_bamboo_forest' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'flowers:' .. flower_name,
+    })
+end
+
+-- Bush
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_bush',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('default') .. '/schematics/bush.mts',
+    flags = 'place_center_x, place_center_z',
+})
+
+-- Blueberry bush
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_blueberry_bush',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_grass_1' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 697,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_bamboo_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    place_offset_y = 1,
+    schematic = minetest.get_modpath('default') .. '/schematics/blueberry_bush.mts',
+    flags = 'place_center_x, place_center_z',
+})
+
+-- Grasses
+
+register_grass_decoration(-0.03, 0.09, 5)
+register_grass_decoration(-0.015, 0.075, 4)
+register_grass_decoration(0, 0.06, 3)
+register_grass_decoration(0.015, 0.045, 2)
+register_grass_decoration(0.03, 0.03, 1)
+
+-- Flowers
+
+register_flower(436, 'rose')
+register_flower(19822, 'tulip')
+register_flower(1220999, 'dandelion_yellow')
+register_flower(800081, 'chrysanthemum_green')
+register_flower(36662, 'geranium')
+register_flower(1133, 'viola')
+register_flower(73133, 'dandelion_white')
+register_flower(42, 'tulip_black')

mapgen_bamboo_forest_under.lua

@@ -0,0 +1,174 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_bamboo_forest_under.y_max
+local y_min = Everness.settings.biomes.everness_bamboo_forest_under.y_min
+
+-- Bamboo Forest Under
+
+minetest.register_biome({
+    name = 'everness_bamboo_forest_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 80,
+    humidity_point = 60,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 10,
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors',
+    decoration = {
+        'everness:moss_block',
+        'default:clay'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_ceiling',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = { 'everness:moss_block' },
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_forsythia_bush',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    flags = 'all_floors',
+    decoration = { 'everness:forsythia_bush' },
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    decoration = {
+        'everness:vine_cave',
+        'everness:vine_cave_with_mese_leaves'
+    },
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_plants',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    param2 = 8,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:cave_flower' },
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_plants_2',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    param2 = 8,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
+    y_min = y_min,
+    decoration = { 'everness:cave_flower_with_particles' },
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:bamboo_forest_under_blue_vine_lantern',
+    deco_type = 'simple',
+    place_on = {
+        'everness:moss_block',
+        'default:clay'
+    },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_bamboo_forest_under' },
+    y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
+    y_min = y_min,
+    decoration = { 'everness:blue_vine_lantern' },
+    flags = 'all_floors',
+})

mapgen_baobab_savanna.lua

@@ -0,0 +1,143 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_baobab_savanna.y_max
+local y_min = Everness.settings.biomes.everness_baobab_savanna.y_min
+
+-- Baobab Savanna
+
+minetest.register_biome({
+    name = 'everness_baobab_savanna',
+    node_top = 'default:dry_dirt_with_dry_grass',
+    depth_top = 1,
+    node_filler = 'default:dry_dirt',
+    depth_filler = 1,
+    node_riverbed = 'default:sand',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 80,
+    humidity_point = 30,
+})
+
+--
+-- Register decorations
+--
+
+-- Savanna bare dirt patches.
+-- Must come before all savanna decorations that are placed on dry grass.
+-- Noise is similar to long dry grass noise, but scale inverted, to appear
+-- where long dry grass is least dense and shortest.
+
+minetest.register_decoration({
+    name = 'everness:baobab_savanna_dry_dirt_with_dry_grass',
+    deco_type = 'simple',
+    place_on = { 'default:dry_dirt_with_dry_grass' },
+    sidelen = 4,
+    noise_params = {
+        offset = -1.5,
+        scale = -1.5,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 4,
+        persist = 1.0
+    },
+    biomes = { 'everness_baobab_savanna' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'default:dry_dirt',
+    place_offset_y = -1,
+    flags = 'force_placement',
+})
+
+minetest.register_decoration({
+    name = 'everness:baobab_savanna_baobab_tree_1',
+    deco_type = 'schematic',
+    place_on = { 'default:dry_dirt_with_dry_grass', 'default:dry_dirt' },
+    spawn_by = { 'default:dry_dirt_with_dry_grass', 'default:dry_dirt' },
+    num_spawn_by = 8,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_baobab_savanna' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:baobab_savanna_baobab_tree_2',
+    deco_type = 'schematic',
+    place_on = { 'default:dry_dirt_with_dry_grass', 'default:dry_dirt' },
+    spawn_by = { 'default:dry_dirt_with_dry_grass', 'default:dry_dirt' },
+    num_spawn_by = 8,
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 90155,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_baobab_savanna' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:baobab_savanna_acacia_log',
+    deco_type = 'schematic',
+    place_on = { 'default:dry_dirt_with_dry_grass' },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.001,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_baobab_savanna' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('default') .. '/schematics/acacia_log.mts',
+    flags = 'place_center_x',
+    rotation = 'random',
+    spawn_by = 'default:dry_dirt_with_dry_grass',
+    num_spawn_by = 8,
+})

mapgen_coral_forest.lua

@@ -0,0 +1,215 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_coral_forest.y_max
+local y_min = Everness.settings.biomes.everness_coral_forest.y_min
+
+-- Coral Forest
+
+minetest.register_biome({
+    name = 'everness_coral_forest',
+    node_top = 'everness:dirt_with_coral_grass',
+    depth_top = 1,
+    node_filler = 'everness:coral_dirt',
+    depth_filler = 1,
+    node_riverbed = 'everness:coral_dirt',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:coral_desert_cobble',
+    node_dungeon_alt = 'everness:coral_desert_mossy_cobble',
+    node_dungeon_stair = 'stairs:stair_coral_desert_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 60,
+    humidity_point = 50,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+-- Coral Desert Stone
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:coral_desert_stone',
+    wherein = { 'default:stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_coral_forest' }
+})
+
+--
+-- Register decorations
+--
+
+-- Coral Forest
+
+local chunksize = tonumber(minetest.get_mapgen_setting('chunksize'))
+
+if chunksize >= 5 then
+    minetest.register_decoration({
+        name = 'everness:coral_forest_coral_tree',
+        deco_type = 'schematic',
+        place_on = { 'everness:dirt_with_coral_grass' },
+        place_offset_y = 0,
+        sidelen = 16,
+        noise_params = {
+            offset = 0.0015,
+            scale = 0.0021,
+            spread = { x = 250, y = 250, z = 250 },
+            seed = 2,
+            octaves = 3,
+            persist = 0.66
+        },
+        biomes = { 'everness_coral_forest' },
+        y_max = y_max,
+        y_min = y_min,
+        schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_tree.mts',
+        flags = 'place_center_x, place_center_z',
+        rotation = 'random',
+        spawn_by = 'everness:dirt_with_coral_grass',
+        num_spawn_by = 8,
+    })
+end
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_coral_bones_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_coral_grass' },
+    sidelen = 16,
+    place_offset_y = -1,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_coral_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_bones_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_coral_burdock',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_coral_grass' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.006,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_coral_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:coral_burdock_1', 'everness:coral_burdock_2' },
+    spawn_by = 'everness:coral_tree'
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_coral_bush',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_coral_grass', 'everness:coral_sand', 'everness:coral_white_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.02,
+        scale = 0.04,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 436,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:coral_bush'
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_coral_shrub',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_coral_grass', 'everness:coral_sand', 'everness:coral_white_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.02,
+        scale = 0.04,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 1220999,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:coral_shrub'
+})
+
+local function register_coral_grass_decoration(offset, scale, length)
+    minetest.register_decoration({
+        name = 'everness:coral_forest_coral_grass_' .. length,
+        deco_type = 'simple',
+        place_on = { 'everness:dirt_with_coral_grass' },
+        sidelen = 16,
+        noise_params = {
+            offset = offset,
+            scale = scale,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = 329,
+            octaves = 3,
+            persist = 0.6
+        },
+        biomes = { 'everness_coral_forest' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'everness:coral_grass_' .. length,
+    })
+end
+
+-- Grasses
+
+register_coral_grass_decoration(-0.03, 0.09, 5)
+register_coral_grass_decoration(-0.015, 0.075, 4)
+register_coral_grass_decoration(0, 0.06, 3)
+register_coral_grass_decoration(0.015, 0.045, 2)
+register_coral_grass_decoration(0.03, 0.03, 1)

mapgen_coral_forest_dunes.lua

@@ -0,0 +1,143 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_coral_forest_dunes.y_max
+local y_min = Everness.settings.biomes.everness_coral_forest_dunes.y_min
+
+-- Coral Forest Dunes
+
+minetest.register_biome({
+    name = 'everness_coral_forest_dunes',
+    node_top = 'everness:coral_sand',
+    depth_top = 1,
+    node_filler = 'everness:coral_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:coral_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:coral_desert_cobble',
+    node_dungeon_alt = 'everness:coral_desert_mossy_cobble',
+    node_dungeon_stair = 'stairs:stair_coral_desert_cobble',
+    vertical_blend = 1,
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 60,
+    humidity_point = 50,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+-- Coral Desert Stone
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:coral_desert_stone',
+    wherein = { 'default:stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_coral_forest_dunes' }
+})
+
+--
+-- Register decorations
+--
+
+-- Coral Forest Dunes
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_dunes_coral_volcano',
+    deco_type = 'schematic',
+    place_on = { 'everness:coral_sand' },
+    place_offset_y = -1,
+    sidelen = 16,
+    noise_params = {
+        offset = -0.012,
+        scale = 0.024,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 230,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('x_clay')
+        and minetest.get_modpath('everness') .. '/schematics/everness_coral_volcano_x_clay.mts'
+        or minetest.get_modpath('everness') .. '/schematics/everness_coral_volcano.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+    spawn_by = 'everness:coral_sand',
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_dunes_coral_bush',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_coral_grass', 'everness:coral_sand', 'everness:coral_white_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.02,
+        scale = 0.04,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 436,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:coral_bush'
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_dunes_coral_shrub',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_coral_grass', 'everness:coral_sand', 'everness:coral_white_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.02,
+        scale = 0.04,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 1220999,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:coral_shrub'
+})

mapgen_coral_forest_ocean.lua

@@ -0,0 +1,98 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_coral_forest_ocean.y_max
+local y_min = Everness.settings.biomes.everness_coral_forest_ocean.y_min
+
+-- Coral Forest Ocean
+
+minetest.register_biome({
+    name = 'everness_coral_forest_ocean',
+    node_top = 'everness:coral_white_sand',
+    depth_top = 1,
+    node_filler = 'everness:coral_white_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:coral_white_sand',
+    depth_riverbed = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'everness:coral_desert_cobble',
+    node_dungeon_alt = 'everness:coral_desert_mossy_cobble',
+    node_dungeon_stair = 'stairs:stair_coral_desert_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 60,
+    humidity_point = 50,
+})
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+-- Coral Desert Stone
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:coral_desert_stone',
+    wherein = { 'default:stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_coral_forest_ocean' }
+})
+
+--
+-- Register decorations
+--
+
+-- Coral Forest Under
+
+-- Coral reef
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_ocean_corals',
+    deco_type = 'simple',
+    place_on = { 'everness:coral_white_sand' },
+    place_offset_y = -1,
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_coral_forest_ocean' },
+    y_max = y_max - 5 > y_min and y_max - 5 or y_max,
+    y_min = y_max - 11 > y_min and y_max - 11 or y_min,
+    flags = 'force_placement',
+    decoration = { 'everness:coral_corals', 'everness:coral_jellyfish' },
+})

mapgen_coral_forest_under.lua

@@ -0,0 +1,214 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_coral_forest_under.y_max
+local y_min = Everness.settings.biomes.everness_coral_forest_under.y_min
+
+-- Coral Forest Under
+
+minetest.register_biome({
+    name = 'everness_coral_forest_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'everness:coral_desert_cobble',
+    node_dungeon_alt = 'everness:coral_desert_mossy_cobble',
+    node_dungeon_stair = 'stairs:stair_coral_desert_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 60,
+    humidity_point = 50,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+-- Coral Desert Stone
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:coral_desert_stone',
+    wherein = { 'default:stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_coral_forest_under' }
+})
+
+--
+-- Register decorations
+--
+
+-- Coral Forest Under
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_desert_stone_with_moss_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    place_offset_y = -1,
+    sidelen = 16,
+    fill_ratio = 10,
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors, force_placement',
+    decoration = {
+        'everness:coral_desert_stone_with_moss'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_mold_stone_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:moss_block'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_coral_tree_bioluminescent',
+    deco_type = 'schematic',
+    place_on = { 'everness:coral_desert_stone_with_moss' },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_tree_bioluminescent.mts',
+    flags = 'place_center_x, place_center_z, all_floors, force_placement',
+    rotation = 'random',
+    spawn_by = 'everness:coral_desert_stone_with_moss',
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_coral_plant_bioluminescent',
+    deco_type = 'simple',
+    place_on = { 'everness:coral_desert_stone_with_moss' },
+    param2 = 8,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:coral_plant_bioluminescent',
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_lumecorn',
+    deco_type = 'simple',
+    place_on = { 'everness:coral_desert_stone_with_moss' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
+    y_min = y_min,
+    decoration = 'everness:lumecorn',
+    flags = 'all_floors',
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_coral_forest_under' },
+    param2 = 8,
+    decoration = {
+        'everness:lumabus_vine_1',
+        'everness:lumabus_vine_2',
+        'everness:flowered_vine_1',
+        'everness:flowered_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:coral_forest_under_plants',
+    deco_type = 'simple',
+    place_on = { 'everness:coral_desert_stone_with_moss' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_coral_forest_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:coral_grass_orange',
+        'everness:globulagus',
+        'everness:coral_grass_tall',
+    },
+    flags = 'all_floors',
+})

mapgen_crystal_forest.lua

@@ -0,0 +1,158 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_crystal_forest.y_max
+local y_min = Everness.settings.biomes.everness_crystal_forest.y_min
+
+-- Crystal Forest
+
+minetest.register_biome({
+    name = 'everness_crystal_forest',
+    node_top = 'everness:dirt_with_crystal_grass',
+    depth_top = 1,
+    node_filler = 'everness:crystal_dirt',
+    depth_filler = 1,
+    node_riverbed = 'everness:crystal_dirt',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 35,
+    humidity_point = 50,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_crystal_mushrooms',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_crystal_grass' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.006,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_crystal_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:crystal_mushrooms',
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_crystal_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_crystal_grass' },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_crystal_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_crystal_tree_large',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_crystal_grass' },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.001,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_crystal_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_tree_large.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+local function register_crystal_grass_decoration(offset, scale, length)
+    minetest.register_decoration({
+        name = 'everness:crystal_forest_crystal_grass_' .. length,
+        deco_type = 'simple',
+        place_on = { 'everness:dirt_with_crystal_grass' },
+        sidelen = 16,
+        noise_params = {
+            offset = offset,
+            scale = scale,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = 329,
+            octaves = 3,
+            persist = 0.6
+        },
+        biomes = { 'everness_crystal_forest' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'everness:crystal_grass_' .. length,
+    })
+end
+
+-- Crystal Grasses
+
+register_crystal_grass_decoration(-0.03, 0.09, 3)
+register_crystal_grass_decoration(-0.015, 0.075, 2)
+register_crystal_grass_decoration(0, 0.06, 1)
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_crystal_bush',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_crystal_grass' },
+    sidelen = 16,
+    place_offset_y = 1,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_crystal_forest' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_bush.mts',
+    flags = 'place_center_x, place_center_z',
+})

mapgen_crystal_forest_dunes.lua

@@ -0,0 +1,91 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_crystal_forest_dunes.y_max
+local y_min = Everness.settings.biomes.everness_crystal_forest_dunes.y_min
+
+-- Crystal Forest Dunes
+
+minetest.register_biome({
+    name = 'everness_crystal_forest_dunes',
+    node_top = 'everness:crystal_sand',
+    depth_top = 1,
+    node_filler = 'everness:crystal_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:crystal_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    vertical_blend = 1,
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 35,
+    humidity_point = 50,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_dunes_ruins_1',
+    deco_type = 'schematic',
+    place_on = { 'everness:crystal_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.0003,
+        scale = 0.0009,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 230,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_crystal_forest_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_ruins_1.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_dunes_ruins_2',
+    deco_type = 'schematic',
+    place_on = { 'everness:crystal_sand' },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = -0.0003,
+        scale = 0.0009,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 230,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_crystal_forest_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_ruins_2.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})

mapgen_crystal_forest_ocean.lua

@@ -0,0 +1,74 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_crystal_forest_ocean.y_max
+local y_min = Everness.settings.biomes.everness_crystal_forest_ocean.y_min
+
+-- Crystal Forest Ocean
+
+minetest.register_biome({
+    name = 'everness_crystal_forest_ocean',
+    node_top = 'everness:crystal_sand',
+    depth_top = 1,
+    node_filler = 'everness:crystal_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:crystal_sand',
+    depth_riverbed = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 35,
+    humidity_point = 50,
+})
+
+--
+-- Register decorations
+--
+
+-- Coral reef
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_ocean_corals',
+    deco_type = 'simple',
+    place_on = { 'everness:crystal_sand' },
+    place_offset_y = -1,
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_crystal_forest_ocean' },
+    y_max = y_max,
+    y_min = y_max - 10 > y_min and y_max - 10 or y_min,
+    flags = 'force_placement',
+    decoration = {
+        'everness:crystal_coral_dark',
+        'everness:crystal_coral_light'
+    },
+})

mapgen_crystal_forest_shore.lua

@@ -0,0 +1,70 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_crystal_forest_shore.y_max
+local y_min = Everness.settings.biomes.everness_crystal_forest_shore.y_min
+
+-- Crystal Forest Shore
+
+minetest.register_biome({
+    name = 'everness_crystal_forest_shore',
+    node_top = 'everness:crystal_sand',
+    depth_top = 1,
+    node_filler = 'everness:crystal_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:crystal_sand',
+    depth_riverbed = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 35,
+    humidity_point = 50,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_shore_crystal_waterlily',
+    deco_type = 'simple',
+    place_on = { 'everness:crystal_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.12,
+        scale = 0.3,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 33,
+        octaves = 3,
+        persist = 0.7
+    },
+    biomes = { 'everness_crystal_forest_shore' },
+    y_max = y_max,
+    y_min = y_max,
+    decoration = 'everness:crystal_waterlily',
+    param2 = 0,
+    param2_max = 3,
+    place_offset_y = 1,
+})

mapgen_crystal_forest_under.lua

@@ -0,0 +1,222 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_crystal_forest_under.y_max
+local y_min = Everness.settings.biomes.everness_crystal_forest_under.y_min
+
+-- Crystal Forest Under
+
+minetest.register_biome({
+    name = 'everness_crystal_forest_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 35,
+    humidity_point = 50,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 10,
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    flags = 'all_floors, force_placement'
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:crystal_moss_block'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:crystal_moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_crystal_forest_under' },
+    param2 = 8,
+    decoration = {
+        'everness:twisted_vine_1',
+        'everness:twisted_vine_2',
+        'everness:golden_vine_1',
+        'everness:golden_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_crystal_purple_cluster',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    place_offset_y = -7,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_purple_cluster.mts',
+    flags = 'place_center_x, place_center_z, all_floors, force_placement',
+    rotation = 'random',
+    spawn_by = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_crystal_orange_cluster',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    sidelen = 16,
+    place_offset_y = 1,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_orange_cluster.mts',
+    flags = 'place_center_x, place_center_z, all_floors',
+    rotation = 'random',
+    spawn_by = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_crystal_cyan',
+    deco_type = 'simple',
+    place_on = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:crystal_cyan',
+    flags = 'all_floors',
+    param2 = 1
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_twisted_crystal_grass',
+    deco_type = 'simple',
+    place_on = {
+        'everness:crystal_cave_dirt_with_moss',
+        'everness:crystal_moss_block'
+    },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.2,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 801,
+        octaves = 3,
+        persist = 0.7
+    },
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = 'everness:twisted_crystal_grass',
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:crystal_forest_under_crystal_cyan_ceiling',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_crystal_forest_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:crystal_cyan',
+    flags = 'all_ceilings',
+})

mapgen_cursed_lands.lua

@@ -0,0 +1,186 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_cursed_lands.y_max
+local y_min = Everness.settings.biomes.everness_cursed_lands.y_min
+
+-- Cursed Lands
+
+minetest.register_biome({
+    name = 'everness_cursed_lands',
+    node_top = 'everness:dirt_with_cursed_grass',
+    depth_top = 1,
+    node_filler = 'everness:cursed_dirt',
+    depth_filler = 1,
+    node_riverbed = 'everness:cursed_dirt',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 45,
+    humidity_point = 85,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_cemetery',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_cursed_grass' },
+    sidelen = 8,
+    noise_params = {
+        offset = -0.0003,
+        scale = 0.0009,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 230,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_cursed_lands' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_cemetery.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_ruins_1',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_cursed_grass' },
+    sidelen = 8,
+    noise_params = {
+        offset = -0.0003,
+        scale = 0.0009,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 230,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_cursed_lands' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_ruins_1.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+local function register_red_castor_decoration(offset, scale, length)
+    minetest.register_decoration({
+        name = 'everness:cursed_lands_red_castor_' .. length,
+        deco_type = 'simple',
+        place_on = { 'everness:dirt_with_cursed_grass' },
+        sidelen = 16,
+        noise_params = {
+            offset = offset,
+            scale = scale,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = 329,
+            octaves = 3,
+            persist = 0.6
+        },
+        biomes = { 'everness_cursed_lands' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'everness:red_castor_' .. length,
+    })
+end
+
+-- Red Castor Grasses
+
+register_red_castor_decoration(-0.03, 0.09, 4)
+register_red_castor_decoration(-0.015, 0.075, 3)
+register_red_castor_decoration(0, 0.06, 2)
+register_red_castor_decoration(0.015, 0.045, 1)
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_cursed_mud',
+    deco_type = 'simple',
+    place_on = { 'everness:dirt_with_cursed_grass', 'everness:cursed_dirt', 'everness:cursed_sand' },
+    place_offset_y = -1,
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_cursed_lands' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'force_placement',
+    decoration = { 'everness:cursed_mud' },
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_dry_tree',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:dirt_with_cursed_grass',
+        'everness:cursed_dirt',
+        'everness:cursed_sand',
+        'everness:cursed_stone'
+    },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0015,
+        scale = 0.0021,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_cursed_lands' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_cursed_bush',
+    deco_type = 'schematic',
+    place_on = { 'everness:dirt_with_cursed_grass' },
+    sidelen = 16,
+    place_offset_y = 1,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_cursed_lands' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_cursed_bush.mts',
+    flags = 'place_center_x, place_center_z',
+})

mapgen_cursed_lands_dunes.lua

@@ -0,0 +1,75 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_cursed_lands_dunes.y_max
+local y_min = Everness.settings.biomes.everness_cursed_lands_dunes.y_min
+
+-- Cursed Lands Dunes
+
+minetest.register_biome({
+    name = 'everness_cursed_lands_dunes',
+    node_top = 'everness:cursed_sand',
+    depth_top = 1,
+    node_filler = 'everness:cursed_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:cursed_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    vertical_blend = 1,
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 45,
+    humidity_point = 85,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_dunes_dry_tree',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:dirt_with_cursed_grass',
+        'everness:cursed_dirt',
+        'everness:cursed_sand',
+        'everness:cursed_stone'
+    },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0015,
+        scale = 0.0021,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_cursed_lands_dunes' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})

mapgen_cursed_lands_ocean.lua

@@ -0,0 +1,100 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_cursed_lands_ocean.y_max
+local y_min = Everness.settings.biomes.everness_cursed_lands_ocean.y_min
+
+-- Cursed Lands Ocean
+
+minetest.register_biome({
+    name = 'everness_cursed_lands_ocean',
+    node_top = 'everness:cursed_stone',
+    depth_top = 1,
+    node_filler = 'everness:cursed_stone',
+    depth_filler = 3,
+    node_riverbed = 'everness:cursed_stone',
+    depth_riverbed = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 45,
+    humidity_point = 85,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_ocean_dry_tree',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:dirt_with_cursed_grass',
+        'everness:cursed_dirt',
+        'everness:cursed_sand',
+        'everness:cursed_stone'
+    },
+    place_offset_y = 0,
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0015,
+        scale = 0.0021,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_cursed_lands_ocean' },
+    y_max = y_max,
+    y_min = y_max - (y_max + 1),
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+-- Spine Kelp
+
+minetest.register_decoration({
+    name = 'everness:sand_with_spine_kelp',
+    deco_type = 'simple',
+    place_on = { 'everness:cursed_stone' },
+    place_offset_y = -1,
+    sidelen = 16,
+    noise_params = {
+        offset = -0.04,
+        scale = 0.1,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 87112,
+        octaves = 3,
+        persist = 0.7
+    },
+    biomes = { 'everness_cursed_lands_ocean' },
+    y_max = y_max - (y_max + 5),
+    y_min = y_max - (y_max + 10),
+    flags = 'force_placement',
+    decoration = 'everness:sand_with_spine_kelp',
+    param2 = 48,
+    param2_max = 96,
+})

mapgen_cursed_lands_swamp.lua

@@ -0,0 +1,91 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_cursed_lands_swamp.y_max
+local y_min = Everness.settings.biomes.everness_cursed_lands_swamp.y_min
+
+-- Cursed Lands Swamp
+
+minetest.register_biome({
+    name = 'everness_cursed_lands_swamp',
+    node_top = 'everness:cursed_stone',
+    depth_top = 1,
+    node_filler = 'everness:cursed_stone',
+    depth_filler = 3,
+    node_riverbed = 'everness:cursed_stone',
+    depth_riverbed = 2,
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 45,
+    humidity_point = 85,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_swamp_dry_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:cursed_stone' },
+    place_offset_y = 0,
+    sidelen = 16,
+    -- Noise tuned to place swamp trees where papyrus is absent
+    noise_params = {
+        offset = 0.0,
+        scale = -0.1,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 354,
+        octaves = 1,
+        persist = 0.5
+    },
+    biomes = { 'everness_cursed_lands_swamp' },
+    y_max = y_min,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_swamp_marsh_grass',
+    deco_type = 'schematic',
+    place_on = { 'everness:cursed_stone' },
+    place_offset_y = 1,
+    sidelen = 16,
+    -- Noise tuned to place where papyrus is absent
+    noise_params = {
+        offset = 0.0,
+        scale = -0.1,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 354,
+        octaves = 1,
+        persist = 0.5
+    },
+    biomes = { 'everness_cursed_lands_swamp' },
+    y_max = y_max,
+    y_min = y_max,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_marsh_grass.mts',
+})

mapgen_cursed_lands_under.lua

@@ -0,0 +1,242 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_cursed_lands_under.y_max
+local y_min = Everness.settings.biomes.everness_cursed_lands_under.y_min
+
+-- Cursed Lands Under
+
+minetest.register_biome({
+    name = 'everness_cursed_lands_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 45,
+    humidity_point = 85,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_soul_sandstone_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    place_offset_y = -1,
+    sidelen = 16,
+    fill_ratio = 10,
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors, force_placement',
+    decoration = {
+        'everness:soul_sandstone_veined'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_mold_stone_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:moss_block'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_skull_with_candle',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
+    y_min = y_min,
+    decoration = 'everness:skull_with_candle',
+    flags = 'all_floors',
+    param2_max = 3
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_cursed_lands_under' },
+    param2 = 8,
+    decoration = {
+        'everness:eye_vine_1',
+        'everness:eye_vine_2',
+        'everness:ivis_vine_1',
+        'everness:ivis_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_pumpkin_lantern',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = { 'everness:cursed_pumpkin_lantern' },
+    flags = 'all_floors',
+    param2_max = 3
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_cursed_dream_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:soul_sandstone_veined' },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_cursed_dream_tree.mts',
+    flags = 'place_center_x, place_center_z, all_floors, force_placement',
+    rotation = 'random',
+    spawn_by = 'everness:soul_sandstone_veined',
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_plants',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:egg_plant',
+        'everness:ngrass_2',
+    },
+    flags = 'all_floors',
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_ivis_moss',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:ivis_moss',
+    },
+    flags = 'all_floors',
+    param2 = 3
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_ngrass_1',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:ngrass_1',
+    },
+    flags = 'all_floors',
+    param2 = 2
+})
+
+minetest.register_decoration({
+    name = 'everness:cursed_lands_under_cobweb_floors',
+    deco_type = 'simple',
+    place_on = { 'everness:soul_sandstone_veined' },
+    sidelen = 16,
+    fill_ratio = 0.02,
+    biomes = { 'everness_cursed_lands_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:cobweb' },
+    flags = 'all_floors'
+})

mapgen_forsaken_desert.lua

@@ -0,0 +1,197 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_desert.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_desert.y_min
+
+-- Forsaken Desert
+
+minetest.register_biome({
+    name = 'everness_forsaken_desert',
+    node_top = 'everness:forsaken_desert_sand',
+    depth_top = 1,
+    node_stone = 'everness:forsaken_desert_stone',
+    node_filler = 'everness:forsaken_desert_sand',
+    depth_filler = 1,
+    node_riverbed = 'everness:forsaken_desert_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:forsaken_desert_brick',
+    node_dungeon_alt = 'everness:forsaken_desert_brick_red',
+    node_dungeon_stair = 'stairs:stair_forsaken_desert_brick',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 100,
+    humidity_point = 30,
+})
+
+--
+-- Register ores
+--
+
+-- Stratum ores.
+-- These obviously first.
+
+minetest.register_ore({
+    ore_type = 'stratum',
+    ore = 'everness:forsaken_desert_cobble',
+    wherein = { 'everness:forsaken_desert_stone' },
+    clust_scarcity = 1,
+    y_max = (y_max - y_max) + 46,
+    y_min = (y_max - y_max) + 4,
+    noise_params = {
+        offset = 28,
+        scale = 16,
+        spread = { x = 128, y = 128, z = 128 },
+        seed = 90122,
+        octaves = 1,
+    },
+    stratum_thickness = 4,
+    biomes = { 'everness_forsaken_desert' },
+})
+
+minetest.register_ore({
+    ore_type = 'stratum',
+    ore = 'everness:forsaken_desert_cobble',
+    wherein = { 'everness:forsaken_desert_stone' },
+    clust_scarcity = 1,
+    y_max = (y_max - y_max) + 42,
+    y_min = (y_max - y_max) + 6,
+    noise_params = {
+        offset = 24,
+        scale = 16,
+        spread = { x = 128, y = 128, z = 128 },
+        seed = 90122,
+        octaves = 1,
+    },
+    stratum_thickness = 2,
+    biomes = { 'everness_forsaken_desert' },
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_sand_plants_1',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_forsaken_desert' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:forsaken_desert_plant_1' },
+    param2 = 11,
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_sand_plants_2',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_forsaken_desert' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:forsaken_desert_plant_2',
+        'everness:forsaken_desert_plant_3'
+    },
+    param2 = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_termite_nest',
+    deco_type = 'schematic',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_desert' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_termite_nest.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_hollow_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_desert' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_hollow_tree.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_hollow_tree_large',
+    deco_type = 'schematic',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.001,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_desert' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_hollow_tree_large.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})

mapgen_forsaken_desert_ocean.lua

@@ -0,0 +1,51 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_desert_ocean.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_desert_ocean.y_min
+
+-- Forsaken Desert Ocean
+
+minetest.register_biome({
+    name = 'everness_forsaken_desert_ocean',
+    node_top = 'everness:dry_ocean_dirt',
+    depth_top = 1,
+    node_stone = 'everness:forsaken_desert_stone',
+    node_filler = 'everness:dry_ocean_dirt',
+    depth_filler = 3,
+    node_water_top = 'everness:dry_ocean_dirt',
+    depth_water_top = 10,
+    node_river_water = 'everness:dry_ocean_dirt',
+    node_riverbed = 'everness:dry_ocean_dirt',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:forsaken_desert_brick',
+    node_dungeon_alt = 'everness:forsaken_desert_brick_red',
+    node_dungeon_stair = 'stairs:stair_forsaken_desert_brick',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 100,
+    humidity_point = 30,
+})
+
+--
+-- Register decorations
+--

mapgen_forsaken_desert_under.lua

@@ -0,0 +1,197 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_desert_under.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_desert_under.y_min
+
+-- Forsaken Desert Under
+
+minetest.register_biome({
+    name = 'everness_forsaken_desert_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'default:cobble',
+    node_dungeon_alt = 'default:mossycobble',
+    node_dungeon_stair = 'stairs:stair_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 100,
+    humidity_point = 30,
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 10,
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors, force_placement',
+    decoration = {
+        'everness:forsaken_desert_sand'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_floors_chiseled',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 0.2,
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:forsaken_desert_chiseled_stone',
+        'everness:forsaken_desert_brick',
+        'everness:forsaken_desert_brick_red',
+        'everness:forsaken_desert_engraved_stone',
+        'everness:forsaken_desert_cobble_red',
+        'everness:forsaken_desert_cobble',
+    },
+    flags = 'all_floors, force_placement'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_ceilings',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:moss_block'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_cactus_blue',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = 'everness:cactus_blue',
+    height = 2,
+    height_max = 6,
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_cave_barrel_cactus',
+    deco_type = 'simple',
+    place_on = {
+        'everness:forsaken_desert_sand',
+        'everness:forsaken_desert_chiseled_stone',
+        'everness:forsaken_desert_brick',
+        'everness:forsaken_desert_engraved_stone'
+    },
+    sidelen = 16,
+    fill_ratio = 0.005,
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max - 250 > y_min and y_max - 250 or y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:cave_barrel_cactus',
+        'everness:venus_trap'
+    },
+    flags = 'all_floors',
+    param2_max = 3
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_cave_illumi_root',
+    deco_type = 'simple',
+    place_on = {
+        'everness:forsaken_desert_sand',
+        'everness:forsaken_desert_chiseled_stone',
+        'everness:forsaken_desert_brick',
+        'everness:forsaken_desert_engraved_stone'
+    },
+    sidelen = 16,
+    fill_ratio = 0.005,
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:illumi_root' },
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_forsaken_desert_under' },
+    param2 = 8,
+    decoration = {
+        'everness:dense_vine_1',
+        'everness:dense_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_desert_under_hollow_tree',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_desert_sand' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.006,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_desert_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:hollow_tree',
+    height = 3,
+    height_max = 7,
+    flags = 'all_floors'
+})

mapgen_forsaken_tundra.lua

@@ -0,0 +1,250 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_tundra.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_tundra.y_min
+
+-- Forsaken Tundra
+
+minetest.register_biome({
+    name = 'everness_forsaken_tundra',
+    node_top = 'everness:forsaken_tundra_dirt',
+    depth_top = 1,
+    node_stone = 'everness:forsaken_tundra_stone',
+    node_filler = 'everness:forsaken_tundra_dirt',
+    depth_filler = 1,
+    node_riverbed = 'everness:forsaken_tundra_beach_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:forsaken_tundra_cobble',
+    node_dungeon_alt = 'everness:forsaken_tundra_brick',
+    node_dungeon_stair = 'stairs:stair_forsaken_tundra_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 10,
+    humidity_point = 10,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:sulfur_stone',
+    wherein = { 'default:stone', 'everness:forsaken_tundra_stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = {'everness_forsaken_tundra' }
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_volcanic_sulfur',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_tundra_dirt' },
+    sidelen = 4,
+    noise_params = {
+        offset = -0.7,
+        scale = 4.0,
+        spread = { x = 16, y = 16, z = 16 },
+        seed = 513337,
+        octaves = 1,
+        persist = 0.0,
+        flags = 'absvalue, eased'
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:volcanic_sulfur' },
+    place_offset_y = -1,
+    flags = 'force_placement',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_sulfur_stone',
+    deco_type = 'simple',
+    place_on = {
+        'everness:forsaken_tundra_dirt',
+        'everness:volcanic_sulfur'
+    },
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    place_offset_y = -1,
+    flags = 'force_placement',
+    decoration = { 'everness:sulfur_stone' },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_volcanic_sulfur_on_top_of_sulfur_stone',
+    deco_type = 'simple',
+    place_on = { 'everness:sulfur_stone' },
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = { 'everness:volcanic_sulfur' },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_dirt_with_grass',
+    deco_type = 'simple',
+    place_on = {
+        'everness:forsaken_tundra_dirt',
+        'everness:volcanic_sulfur'
+    },
+    sidelen = 4,
+    noise_params = {
+        offset = -0.8,
+        scale = 2.0,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 53995,
+        octaves = 3,
+        persist = 1.0
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:forsaken_tundra_dirt_with_grass',
+    place_offset_y = -1,
+    flags = 'force_placement',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_bloodpore_plant',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_tundra_dirt_with_grass' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.03,
+        scale = 0.09,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:bloodspore_plant',
+    param2 = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_bloodspore_plant_on_dirt',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_tundra_dirt' },
+    spawn_by = 'everness:forsaken_tundra_dirt_with_grass',
+    num_spawn_by = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = -0.03,
+        scale = 0.09,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:bloodspore_plant',
+    param2 = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_rocks',
+    deco_type = 'schematic',
+    place_on = { 'everness:forsaken_tundra_dirt', 'everness:forsaken_tundra_dirt_with_grass' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_tundra_rocks.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_sulfur_volcano',
+    deco_type = 'schematic',
+    place_on = { 'everness:forsaken_tundra_dirt', 'everness:volcanic_sulfur' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_tundra' },
+    y_max = y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_sulfur_volcano.mts',
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+    spawn_by = { 'everness:forsaken_tundra_dirt', 'everness:volcanic_sulfur' },
+    num_spawn_by = 8,
+})

mapgen_forsaken_tundra_beach.lua

@@ -0,0 +1,96 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_tundra_beach.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_tundra_beach.y_min
+
+-- Forsaken Tundra Beach
+
+minetest.register_biome({
+    name = 'everness_forsaken_tundra_beach',
+    node_top = 'everness:forsaken_tundra_beach_sand',
+    depth_top = 1,
+    node_filler = 'everness:forsaken_tundra_beach_sand',
+    depth_filler = 2,
+    node_riverbed = 'everness:forsaken_tundra_beach_sand',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:forsaken_tundra_cobble',
+    node_dungeon_alt = 'everness:forsaken_tundra_brick',
+    node_dungeon_stair = 'stairs:stair_forsaken_tundra_cobble',
+    vertical_blend = 1,
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 10,
+    humidity_point = 10,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:sulfur_stone',
+    wherein = { 'default:stone', 'everness:forsaken_tundra_stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_forsaken_tundra_beach' }
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_beach_sand_with_shells',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_tundra_beach_sand' },
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra_beach' },
+    y_max = y_max,
+    y_min = y_min,
+    place_offset_y = -1,
+    flags = 'force_placement',
+    decoration = { 'everness:forsaken_tundra_beach_sand_with_shells' },
+})

mapgen_forsaken_tundra_ocean.lua

@@ -0,0 +1,98 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_tundra_ocean.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_tundra_ocean.y_min
+
+-- Forsaken Tundra Ocean
+
+minetest.register_biome({
+    name = 'everness_forsaken_tundra_ocean',
+    node_top = 'everness:forsaken_tundra_beach_sand',
+    depth_top = 1,
+    node_stone = 'everness:forsaken_tundra_stone',
+    node_filler = 'everness:forsaken_tundra_beach_sand',
+    depth_filler = 3,
+    node_riverbed = 'everness:forsaken_tundra_beach_sand',
+    depth_riverbed = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'everness:forsaken_tundra_cobble',
+    node_dungeon_alt = 'everness:forsaken_tundra_brick',
+    node_dungeon_stair = 'stairs:stair_forsaken_tundra_cobble',
+    vertical_blend = 1,
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 10,
+    humidity_point = 10,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:sulfur_stone',
+    wherein = { 'default:stone', 'everness:forsaken_tundra_stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_forsaken_tundra_ocean' }
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_beach_sand_with_shells',
+    deco_type = 'simple',
+    place_on = { 'everness:forsaken_tundra_beach_sand' },
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra_ocean' },
+    y_max = y_max,
+    y_min = y_min,
+    place_offset_y = -1,
+    flags = 'force_placement',
+    decoration = { 'everness:forsaken_tundra_beach_sand_with_shells' },
+})

mapgen_forsaken_tundra_under.lua

@@ -0,0 +1,271 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_forsaken_tundra_under.y_max
+local y_min = Everness.settings.biomes.everness_forsaken_tundra_under.y_min
+
+-- Forsaken Tundra Under
+
+minetest.register_biome({
+    name = 'everness_forsaken_tundra_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'everness:forsaken_tundra_cobble',
+    node_dungeon_alt = 'everness:forsaken_tundra_brick',
+    node_dungeon_stair = 'stairs:stair_forsaken_tundra_cobble',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 10,
+    humidity_point = 10,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:sulfur_stone',
+    wherein = { 'default:stone', 'everness:forsaken_tundra_stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_forsaken_tundra_under' }
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_mold_stone_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 10,
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors, force_placement',
+    decoration = {
+        'everness:mold_stone_with_moss'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_mold_stone_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:moss_block'
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_obsidian_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone', 'everness:mold_stone_with_moss' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 0.02,
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:blue_crying_obsidian',
+        'everness:blue_weeping_obsidian',
+        'everness:weeping_obsidian'
+    },
+    flags = 'all_floors, force_placement'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_obsidian_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone', 'everness:moss_block' },
+    sidelen = 16,
+    place_offset_y = -1,
+    fill_ratio = 0.02,
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:blue_crying_obsidian',
+        'everness:blue_weeping_obsidian',
+        'everness:weeping_obsidian'
+    },
+    flags = 'all_ceilings, force_placement'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_cactus_orange',
+    deco_type = 'simple',
+    place_on = { 'everness:mold_stone_with_moss' },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = 'everness:cactus_orange',
+    height = 2,
+    height_max = 6,
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_bloodspore_plant_small',
+    deco_type = 'simple',
+    place_on = { 'everness:mold_stone_with_moss' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = 'everness:bloodspore_plant_small',
+    param2 = 8,
+    flags = 'all_floors'
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_vines',
+    deco_type = 'simple',
+    place_on = { 'everness:moss_block' },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_forsaken_tundra_under' },
+    param2 = 8,
+    decoration = {
+        'everness:whispering_gourd_vine_1',
+        'everness:whispering_gourd_vine_2',
+        'everness:bulb_vine_1',
+        'everness:bulb_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_glowing_pillar',
+    deco_type = 'simple',
+    place_on = { 'everness:mold_stone_with_moss' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
+    y_min = y_min,
+    decoration = { 'everness:glowing_pillar' },
+    flags = 'all_floors',
+})
+
+minetest.register_decoration({
+    name = 'everness:forsaken_tundra_under_willow_tree',
+    deco_type = 'schematic',
+    place_on = { 'everness:mold_stone_with_moss' },
+    place_offset_y = -1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_forsaken_tundra_under' },
+    y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_willow_tree.mts',
+    flags = 'place_center_x, place_center_z, all_floors, force_placement',
+    rotation = 'random',
+})
+
+local function register_agave_leaf_decoration(offset, scale, length)
+    minetest.register_decoration({
+        name = 'everness:forsaken_tundra_under_agave_leaf_' .. length,
+        deco_type = 'simple',
+        place_on = { 'everness:mold_stone_with_moss' },
+        sidelen = 16,
+        noise_params = {
+            offset = offset,
+            scale = scale,
+            spread = { x = 200, y = 200, z = 200 },
+            seed = 329,
+            octaves = 3,
+            persist = 0.6
+        },
+        param2 = 8,
+        biomes = { 'everness_forsaken_tundra_under' },
+        y_max = y_max,
+        y_min = y_min,
+        decoration = 'everness:agave_leaf_' .. length,
+        flags = 'all_floors'
+    })
+end
+
+-- Grasses
+
+register_agave_leaf_decoration(-0.03, 0.09, 3)
+register_agave_leaf_decoration(-0.015, 0.075, 2)
+register_agave_leaf_decoration(0, 0.06, 1)

mapgen_frosted_icesheet.lua

@@ -0,0 +1,124 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_frosted_icesheet.y_max
+local y_min = Everness.settings.biomes.everness_frosted_icesheet.y_min
+
+-- Frosted Icesheet
+
+minetest.register_biome({
+    name = 'everness_frosted_icesheet',
+    node_dust = 'everness:frosted_snowblock',
+    node_top = 'everness:frosted_snowblock',
+    depth_top = 1,
+    node_filler = 'everness:frosted_snowblock',
+    depth_filler = 3,
+    node_stone = 'everness:frosted_cave_ice',
+    node_water_top = 'everness:frosted_ice',
+    depth_water_top = 2,
+    node_river_water = 'everness:frosted_ice',
+    node_riverbed = 'default:gravel',
+    depth_riverbed = 2,
+    node_dungeon = 'everness:icecobble',
+    node_dungeon_alt = 'everness:snowcobble',
+    node_dungeon_stair = 'stairs:stair_ice',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 0,
+    humidity_point = 93,
+})
+
+--
+-- Register decorations
+--
+
+-- Frosted Icesheet
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_stalagmite',
+    deco_type = 'schematic',
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_lands_stalagmite.mts',
+    place_on = { 'everness:frosted_snowblock' },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0008,
+        scale = 0.0007,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_frosted_icesheet' },
+    y_max = y_max,
+    y_min = (y_max - y_max) + 4,
+    flags = 'place_center_x, place_center_z',
+    spawn_by = 'everness:frosted_snowblock',
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_volcanic_rock',
+    deco_type = 'schematic',
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_lands_volcanic_rock.mts',
+    place_on = { 'everness:frosted_snowblock' },
+    sidelen = 16,
+    noise_params = {
+        offset = 0.0008,
+        scale = 0.0007,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_frosted_icesheet' },
+    y_max = y_max,
+    y_min = (y_max - y_max) + 2,
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+    spawn_by = 'everness:frosted_snowblock',
+    num_spawn_by = 8,
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_fossils',
+    deco_type = 'schematic',
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_lands_fossils.mts',
+    place_on = { 'everness:frosted_snowblock' },
+    sidelen = 16,
+    place_offset_y = 1,
+    noise_params = {
+        offset = 0.0008,
+        scale = 0.0007,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_frosted_icesheet' },
+    y_max = y_max,
+    y_min = (y_max - y_max) + 1,
+    flags = 'place_center_x, place_center_z',
+    rotation = 'random',
+    spawn_by = 'everness:frosted_snowblock',
+    num_spawn_by = 8,
+})

mapgen_frosted_icesheet_ocean.lua

@@ -0,0 +1,71 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_frosted_icesheet_ocean.y_max
+local y_min = Everness.settings.biomes.everness_frosted_icesheet_ocean.y_min
+
+-- Frosted Icesheet Ocean
+
+minetest.register_biome({
+    name = 'everness_frosted_icesheet_ocean',
+    node_top = 'default:sand',
+    depth_top = 1,
+    node_filler = 'default:sand',
+    depth_filler = 3,
+    node_water_top = 'everness:frosted_ice',
+    depth_water_top = 2,
+    node_cave_liquid = 'default:water_source',
+    node_dungeon = 'everness:icecobble',
+    node_dungeon_alt = 'everness:snowcobble',
+    node_dungeon_stair = 'stairs:stair_ice',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 0,
+    humidity_point = 93,
+})
+
+--
+-- Register decorations
+--
+
+-- Frosted Icesheet Ocean
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_ocean_corals',
+    deco_type = 'simple',
+    place_on = { 'default:sand' },
+    place_offset_y = -1,
+    sidelen = 4,
+    noise_params = {
+        offset = -4,
+        scale = 4,
+        spread = { x = 50, y = 50, z = 50 },
+        seed = 7013,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_frosted_icesheet_ocean' },
+    y_max = y_max - (y_max + 2), -- -2
+    y_min = y_max - (y_max + 50), -- -50
+    flags = 'force_placement',
+    decoration = { 'everness:coral_starfish', 'everness:coral_frosted' },
+})

mapgen_frosted_icesheet_under.lua

@@ -0,0 +1,235 @@
+--[[
+    Everness. Never ending discovery in Everness mapgen.
+    Copyright (C) 2023 SaKeL <juraj.vajda@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to juraj.vajda@gmail.com
+--]]
+
+--
+-- Register biomes
+--
+
+local y_max = Everness.settings.biomes.everness_frosted_icesheet_under.y_max
+local y_min = Everness.settings.biomes.everness_frosted_icesheet_under.y_min
+
+-- Frosted Icesheet Under
+
+minetest.register_biome({
+    name = 'everness_frosted_icesheet_under',
+    node_cave_liquid = { 'default:water_source', 'default:lava_source' },
+    node_dungeon = 'everness:icecobble',
+    node_dungeon_alt = 'everness:snowcobble',
+    node_dungeon_stair = 'stairs:stair_ice',
+    y_max = y_max,
+    y_min = y_min,
+    heat_point = 0,
+    humidity_point = 93,
+})
+
+--
+-- Register ores
+--
+
+-- Blob ore.
+-- These before scatter ores to avoid other ores in blobs.
+
+minetest.register_ore({
+    ore_type = 'blob',
+    ore = 'everness:bone',
+    wherein = { 'default:stone' },
+    clust_scarcity = 16 * 16 * 16,
+    clust_size = 5,
+    y_max = y_max,
+    y_min = y_min,
+    noise_threshold = 0.0,
+    noise_params = {
+        offset = 0.5,
+        scale = 0.2,
+        spread = { x = 5, y = 5, z = 5 },
+        seed = -316,
+        octaves = 1,
+        persist = 0.0
+    },
+    biomes = { 'everness_frosted_icesheet_under' }
+})
+
+--
+-- Register decorations
+--
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_floors',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    place_offset_y = -1,
+    sidelen = 16,
+    fill_ratio = 10,
+    biomes = { 'everness_frosted_icesheet_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_floors, force_placement',
+    decoration = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_ceilings',
+    deco_type = 'simple',
+    place_on = { 'default:stone' },
+    sidelen = 16,
+    fill_ratio = 0.4,
+    biomes = { 'everness_frosted_icesheet_under' },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    decoration = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_amaranita_lantern',
+    deco_type = 'simple',
+    place_on = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+    sidelen = 16,
+    noise_params = {
+        offset = -0.004,
+        scale = 0.01,
+        spread = { x = 100, y = 100, z = 100 },
+        seed = 137,
+        octaves = 3,
+        persist = 0.7,
+    },
+    biomes = { 'everness_frosted_icesheet_under' },
+    y_max = y_max - 500 > y_min and y_max - 500 or y_max,
+    y_min = y_min,
+    decoration = { 'everness:amaranita_lantern' },
+    flags = 'all_floors',
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_vines',
+    deco_type = 'simple',
+    place_on = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+    sidelen = 16,
+    fill_ratio = 0.05,
+    biomes = { 'everness_frosted_icesheet_under' },
+    param2 = 8,
+    decoration = {
+        'everness:tenanea_flowers_vine_1',
+        'everness:tenanea_flowers_vine_2',
+        'everness:reeds_vine_1',
+        'everness:reeds_vine_2'
+    },
+    y_max = y_max,
+    y_min = y_min,
+    flags = 'all_ceilings',
+    spawn_by = 'air',
+    num_spawn_by = 8
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_plants',
+    deco_type = 'simple',
+    place_on = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.02,
+        spread = { x = 200, y = 200, z = 200 },
+        seed = 329,
+        octaves = 3,
+        persist = 0.6
+    },
+    param2 = 11,
+    biomes = { 'everness_frosted_icesheet_under' },
+    y_max = y_max,
+    y_min = y_min,
+    decoration = {
+        'everness:blooming_cooksonia',
+        'everness:creeping_moss_spores',
+        'everness:frosted_icicle_floor',
+    },
+    flags = 'all_floors',
+})
+
+minetest.register_decoration({
+    name = 'everness:frosted_icesheet_under_crystal',
+    deco_type = 'schematic',
+    place_on = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+    place_offset_y = 1,
+    sidelen = 16,
+    noise_params = {
+        offset = 0,
+        scale = 0.002,
+        spread = { x = 250, y = 250, z = 250 },
+        seed = 2,
+        octaves = 3,
+        persist = 0.66
+    },
+    biomes = { 'everness_frosted_icesheet_under' },
+    y_max = y_max - 250 > y_min and y_max - 250 or y_max,
+    y_min = y_min,
+    schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_crystal.mts',
+    flags = 'place_center_x, place_center_z, all_floors, force_placement',
+    rotation = 'random',
+    spawn_by = {
+        'everness:ancient_emerald_ice',
+        'everness:dense_emerald_ice',
+        'everness:emerald_ice',
+        'everness:frosted_cave_ice_illuminating',
+        'everness:frosted_ice',
+        'everness:frosted_ice_translucent',
+    },
+    num_spawn_by = 8,
+})

settingtypes.txt

@@ -0,0 +1,326 @@
+[Biomes]
+
+[*Coral Forest]
+
+# Enable/ Disable Coral Forest Biome
+# Disabling this biome might result in missing recipes.
+everness_coral_forest (Coral Forest) bool true
+
+# Upper limit for biome.
+everness_coral_forest_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_coral_forest_y_min (y min) int 6
+
+[*Coral Forest Dunes]
+
+# Enable/ Disable Coral Forest Dunes Biome
+# Disabling this biome might result in missing recipes.
+everness_coral_forest_dunes (Coral Forest Dunes) bool true
+
+# Upper limit for biome.
+everness_coral_forest_dunes_y_max (y max) int 5
+
+# Lower limit for biome.
+everness_coral_forest_dunes_y_min (y min) int 4
+
+[*Coral Forest Ocean]
+
+# Enable/ Disable Coral Forest Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_coral_forest_ocean (Coral Forest Ocean) bool true
+
+# Upper limit for biome.
+everness_coral_forest_ocean_y_max (y max) int 3
+
+# Lower limit for biome.
+everness_coral_forest_ocean_y_min (y min) int -255
+
+[*Coral Forest Under]
+
+# Enable/ Disable Coral Forest Under Biome
+# Disabling this biome might result in missing recipes.
+everness_coral_forest_under (Coral Forest Under) bool true
+
+# Upper limit for biome.
+everness_coral_forest_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_coral_forest_under_y_min (y min) int -31000
+
+[*Frosted Icesheet]
+
+# Enable/ Disable Frosted Icesheet Biome
+# Disabling this biome might result in missing recipes.
+everness_frosted_icesheet (Frosted Icesheet) bool true
+
+# Upper limit for biome.
+everness_frosted_icesheet_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_frosted_icesheet_y_min (y min) int -8
+
+[*Frosted Icesheet Ocean]
+
+# Enable/ Disable Frosted Icesheet Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_frosted_icesheet_ocean (Frosted Icesheet Ocean) bool true
+
+# Upper limit for biome.
+everness_frosted_icesheet_ocean_y_max (y max) int -9
+
+# Lower limit for biome.
+everness_frosted_icesheet_ocean_y_min (y min) int -255
+
+[*Frosted Icesheet Under]
+
+# Enable/ Disable Frosted Icesheet Under Biome
+# Disabling this biome might result in missing recipes.
+everness_frosted_icesheet_under (Frosted Icesheet Under) bool true
+
+# Upper limit for biome.
+everness_frosted_icesheet_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_frosted_icesheet_under_y_min (y min) int -31000
+
+[*Cursed Lands]
+
+# Enable/ Disable Cursed Lands Biome
+# Disabling this biome might result in missing recipes.
+everness_cursed_lands (Cursed Lands) bool true
+
+# Upper limit for biome.
+everness_cursed_lands_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_cursed_lands_y_min (y min) int 6
+
+[*Cursed Lands Dunes]
+
+# Enable/ Disable Cursed Lands Dunes Biome
+# Disabling this biome might result in missing recipes.
+everness_cursed_lands_dunes (Cursed Lands Dunes) bool true
+
+# Upper limit for biome.
+everness_cursed_lands_dunes_y_max (y max) int 5
+
+# Lower limit for biome.
+everness_cursed_lands_dunes_y_min (y min) int 1
+
+[*Cursed Lands Swamp]
+
+# Enable/ Disable Cursed Lands Swamp Biome
+# Disabling this biome might result in missing recipes.
+everness_cursed_lands_swamp (Cursed Lands Swamp) bool true
+
+# Upper limit for biome.
+everness_cursed_lands_swamp_y_max (y max) int 0
+
+# Lower limit for biome.
+everness_cursed_lands_swamp_y_min (y min) int -1
+
+[*Cursed Lands Ocean]
+
+# Enable/ Disable Cursed Lands Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_cursed_lands_ocean (Cursed Lands Ocean) bool true
+
+# Upper limit for biome.
+everness_cursed_lands_ocean_y_max (y max) int -2
+
+# Lower limit for biome.
+everness_cursed_lands_ocean_y_min (y min) int -255
+
+[*Cursed Lands Under]
+
+# Enable/ Disable Cursed Lands Under Biome
+# Disabling this biome might result in missing recipes.
+everness_cursed_lands_under (Cursed Lands Under) bool true
+
+# Upper limit for biome.
+everness_cursed_lands_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_cursed_lands_under_y_min (y min) int -31000
+
+[*Crystal Forest]
+
+# Enable/ Disable Crystal Forest Biome
+# Disabling this biome might result in missing recipes.
+everness_crystal_forest (Crystal Forest) bool true
+
+# Upper limit for biome.
+everness_crystal_forest_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_crystal_forest_y_min (y min) int 6
+
+[*Crystal Forest Dunes]
+
+# Enable/ Disable Crystal Forest Dunes Biome
+# Disabling this biome might result in missing recipes.
+everness_crystal_forest_dunes (Crystal Forest Dunes) bool true
+
+# Upper limit for biome.
+everness_crystal_forest_dunes_y_max (y max) int 5
+
+# Lower limit for biome.
+everness_crystal_forest_dunes_y_min (y min) int 1
+
+[*Crystal Forest Shore]
+
+# Enable/ Disable Crystal Forest Shore Biome
+# Disabling this biome might result in missing recipes.
+everness_crystal_forest_shore (Crystal Forest Shore) bool true
+
+# Upper limit for biome.
+everness_crystal_forest_shore_y_max (y max) int 0
+
+# Lower limit for biome.
+everness_crystal_forest_shore_y_min (y min) int -1
+
+[*Crystal Forest Ocean]
+
+# Enable/ Disable Crystal Forest Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_crystal_forest_ocean (Crystal Forest Ocean) bool true
+
+# Upper limit for biome.
+everness_crystal_forest_ocean_y_max (y max) int -2
+
+# Lower limit for biome.
+everness_crystal_forest_ocean_y_min (y min) int -255
+
+[*Crystal Forest Under]
+
+# Enable/ Disable Crystal Forest Under Biome
+# Disabling this biome might result in missing recipes.
+everness_crystal_forest_under (Crystal Forest Under) bool true
+
+# Upper limit for biome.
+everness_crystal_forest_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_crystal_forest_under_y_min (y min) int -31000
+
+[*Bamboo Forest]
+
+# Enable/ Disable Bamboo Forest Biome
+# Disabling this biome might result in missing recipes.
+everness_bamboo_forest (Bamboo Forest) bool true
+
+# Upper limit for biome.
+everness_bamboo_forest_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_bamboo_forest_y_min (y min) int 1
+
+[*Bamboo Forest Under]
+
+# Enable/ Disable Bamboo Forest Under Biome
+# Disabling this biome might result in missing recipes.
+everness_bamboo_forest_under (Bamboo Forest Under) bool true
+
+# Upper limit for biome.
+everness_bamboo_forest_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_bamboo_forest_under_y_min (y min) int -31000
+
+[*Forsaken Desert]
+
+# Enable/ Disable Forsaken Desert Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_desert (Forsaken Desert) bool true
+
+# Upper limit for biome.
+everness_forsaken_desert_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_forsaken_desert_y_min (y min) int 4
+
+[*Forsaken Desert Ocean]
+
+# Enable/ Disable Forsaken Desert Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_desert_ocean (Forsaken Desert Ocean) bool true
+
+# Upper limit for biome.
+everness_forsaken_desert_ocean_y_max (y max) int 3
+
+# Lower limit for biome.
+everness_forsaken_desert_ocean_y_min (y min) int -8
+
+[*Forsaken Desert Under]
+
+# Enable/ Disable Forsaken Desert Under Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_desert_under (Forsaken Desert Under) bool true
+
+# Upper limit for biome.
+everness_forsaken_desert_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_forsaken_desert_under_y_min (y min) int -31000
+
+[*Baobab Savanna]
+
+# Enable/ Disable Baobab Savanna Biome
+# Disabling this biome might result in missing recipes.
+everness_baobab_savanna (Baobab Savanna) bool true
+
+# Upper limit for biome.
+everness_baobab_savanna_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_baobab_savanna_y_min (y min) int 1
+
+[*Forsaken Tundra]
+
+# Enable/ Disable Forsaken Tundra Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_tundra (Forsaken Tundra) bool true
+
+# Upper limit for biome.
+everness_forsaken_tundra_y_max (y max) int 31000
+
+# Lower limit for biome.
+everness_forsaken_tundra_y_min (y min) int 2
+
+[*Forsaken Tundra Beach]
+
+# Enable/ Disable Forsaken Tundra Beach Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_tundra_beach (Forsaken Tundra Beach) bool true
+
+# Upper limit for biome.
+everness_forsaken_tundra_beach_y_max (y max) int 1
+
+# Lower limit for biome.
+everness_forsaken_tundra_beach_y_min (y min) int -3
+
+[*Forsaken Tundra Ocean]
+
+# Enable/ Disable Forsaken Tundra Ocean Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_tundra_ocean (Forsaken Tundra Ocean) bool true
+
+# Upper limit for biome.
+everness_forsaken_tundra_ocean_y_max (y max) int -4
+
+# Lower limit for biome.
+everness_forsaken_tundra_ocean_y_min (y min) int -255
+
+[*Forsaken Tundra Under]
+
+# Enable/ Disable Forsaken Tundra Under Biome
+# Disabling this biome might result in missing recipes.
+everness_forsaken_tundra_under (Forsaken Tundra Under) bool true
+
+# Upper limit for biome.
+everness_forsaken_tundra_under_y_max (y max) int -256
+
+# Lower limit for biome.
+everness_forsaken_tundra_under_y_min (y min) int -31000
+