From 35b2f3b6384a0cfe1046de73ddee43148f728991 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 13:01:54 +0000
Subject: [PATCH 01/13] Make overworld biome specific (daytime) sky and fog
 colours possible

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua | 35 ++++++++++++++++-------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index 7bc3ad1fe..7b25fbe9a 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -3,19 +3,26 @@ local NIGHT_VISION_RATIO = 0.45
 
 local water_color = "#0b4880"
 
-function mcl_weather.set_sky_box_clear(player)
-	local pos = player:get_pos()
-	if minetest.get_item_group(minetest.get_node(vector.new(pos.x,pos.y+1.5,pos.z)).name, "water") ~= 0 then return end
-	player:set_sky({
-		type = "regular",
-		sky_color = {
-			day_sky = "#92B9FF",
-			day_horizon = "#B4D0FF",
+local mg_name = minetest.get_mapgen_setting("mg_name")
+
+function mcl_weather.set_sky_box_clear(player,sky,fog)
+	local sc = {
+			day_sky = "#0000FF", --Pure blue to make debugging this stuff easier. The biome's sky colours are supposed to overwrite this.
+			day_horizon = "#FF0000", --Pure red to make debugging this stuff easier. The biome's fog (horizon) colours are supposed to overwrite this.
 			dawn_sky = "#B4BAFA",
 			dawn_horizon = "#BAC1F0",
 			night_sky = "#000000",
 			night_horizon = "#4A6790",
-		},
+		}
+	if sky then
+		sc.day_sky = sky
+	end
+	if fog then
+		sc.day_horizon = fog
+	end
+	player:set_sky({
+		type = "regular",
+		sky_color = sc,
 		clouds = true,
 	})
 end
@@ -124,9 +131,17 @@ mcl_weather.skycolor = {
 				})
 			end
 			if dim == "overworld" then
+				local biomesky
+				local biomefog
+				if mg_name ~= "v6" and mg_name ~= "singlenode" then
+					local biome = minetest.get_biome_name(minetest.get_biome_data(player:get_pos()).biome)
+					biomesky = minetest.registered_biomes[biome]._mcl_skycolor
+					biomefog = minetest.registered_biomes[biome]._mcl_fogcolor
+				end
+
 				if (mcl_weather.state == "none") then
 					-- Clear weather
-					mcl_weather.set_sky_box_clear(player)
+					mcl_weather.set_sky_box_clear(player,biomesky,biomefog)
 					player:set_sun({visible = true, sunrise_visible = true})
 					player:set_moon({visible = true})
 					player:set_stars({visible = true})

From 91836f3a1d5eb279ed7c3c4110cfc851bc8538ad Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 13:04:46 +0000
Subject: [PATCH 02/13] Add sky and fog colour for each overworld biome

---
 mods/MAPGEN/mcl_biomes/init.lua | 196 +++++++++++++++++++++++++++++++-
 1 file changed, 195 insertions(+), 1 deletion(-)

diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index e39371651..8ed602a36 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -42,6 +42,8 @@ local function register_classic_superflat_biome()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 end
 
@@ -146,6 +148,8 @@ local function register_biomes()
 		heat_point = -5,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 2,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "IcePlainsSpikes_ocean",
@@ -162,6 +166,8 @@ local function register_biomes()
 		heat_point = -5,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 2,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Cold Taiga
@@ -180,6 +186,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
+		_mcl_skycolor = "#839EFF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- A cold beach-like biome, implemented as low part of Cold Taiga
@@ -200,6 +208,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	-- Water part of the beach. Added to prevent snow being on the ice.
 	minetest.register_biome({
@@ -218,6 +228,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "ColdTaiga_ocean",
@@ -234,9 +246,11 @@ local function register_biomes()
 		vertical_blend = 1,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
-	-- Mega Taiga
+	-- Mega Pine Taiga
 	minetest.register_biome({
 		name = "MegaTaiga",
 		node_top = "mcl_core:podzol",
@@ -251,6 +265,8 @@ local function register_biomes()
 		heat_point = 10,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 4,
+		_mcl_skycolor = "#7CA3FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MegaTaiga_ocean",
@@ -266,6 +282,8 @@ local function register_biomes()
 		heat_point = 10,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 4,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mega Spruce Taiga
@@ -283,6 +301,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 5,
+		_mcl_skycolor = "#7DA3FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MegaSpruceTaiga_ocean",
@@ -298,6 +318,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 5,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Extreme Hills
@@ -316,6 +338,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
+		_mcl_skycolor = "#7DA2FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "ExtremeHills_beach",
@@ -332,6 +356,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "ExtremeHills_ocean",
@@ -348,6 +374,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Extreme Hills M
@@ -366,6 +394,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 7,
+		_mcl_skycolor = "#7DA2FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "ExtremeHillsM_ocean",
@@ -381,6 +411,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 7,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Extreme Hills+
@@ -401,6 +433,8 @@ local function register_biomes()
 		vertical_blend = 6,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
+		_mcl_skycolor = "#7DA2FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	---- Sub-biome for Extreme Hills+ for those snow forests
 	minetest.register_biome({
@@ -419,6 +453,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
+		_mcl_skycolor = "#7DA2FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "ExtremeHills+_ocean",
@@ -434,6 +470,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Stone beach
@@ -449,6 +487,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 9,
+		_mcl_skycolor = "#7DA2FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	minetest.register_biome({
@@ -464,6 +504,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 9,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Ice Plains
@@ -485,6 +527,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 10,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "IcePlains_ocean",
@@ -500,6 +544,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 10,
+		_mcl_skycolor = "#7FA1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Plains
@@ -517,6 +563,8 @@ local function register_biomes()
 		heat_point = 58,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Plains_beach",
@@ -532,6 +580,8 @@ local function register_biomes()
 		heat_point = 58,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Plains_ocean",
@@ -547,6 +597,8 @@ local function register_biomes()
 		heat_point = 58,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Sunflower Plains
@@ -564,6 +616,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 11,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "SunflowerPlains_ocean",
@@ -579,6 +633,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 11,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Taiga
@@ -596,6 +652,8 @@ local function register_biomes()
 		heat_point = 22,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
+		_mcl_skycolor = "#7DA3FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Taiga_beach",
@@ -611,6 +669,8 @@ local function register_biomes()
 		heat_point = 22,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Taiga_ocean",
@@ -626,6 +686,8 @@ local function register_biomes()
 		heat_point = 22,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Forest
@@ -643,6 +705,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
+		_mcl_skycolor = "#79A6FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Forest_beach",
@@ -658,6 +722,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Forest_ocean",
@@ -673,6 +739,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Flower Forest
@@ -690,6 +758,8 @@ local function register_biomes()
 		heat_point = 32,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
+		_mcl_skycolor = "#79A6FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "FlowerForest_beach",
@@ -705,6 +775,8 @@ local function register_biomes()
 		heat_point = 32,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "FlowerForest_ocean",
@@ -720,6 +792,8 @@ local function register_biomes()
 		heat_point = 32,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Birch Forest
@@ -737,6 +811,8 @@ local function register_biomes()
 		heat_point = 31,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 15,
+		_mcl_skycolor = "#7AA5FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "BirchForest_ocean",
@@ -752,6 +828,8 @@ local function register_biomes()
 		heat_point = 31,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 15,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Birch Forest M
@@ -769,6 +847,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 16,
+		_mcl_skycolor = "#7AA5FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "BirchForestM_ocean",
@@ -784,6 +864,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 16,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Desert
@@ -802,6 +884,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Desert_ocean",
@@ -817,6 +901,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Roofed Forest
@@ -834,6 +920,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 18,
+		_mcl_skycolor = "#79A6FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "RoofedForest_ocean",
@@ -849,6 +937,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 18,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mesa: Starts with a couple of sand-covered layers (the "sandlevel"),
@@ -867,6 +957,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	-- Helper biome for the red sand at the bottom of Mesas.
 	minetest.register_biome({
@@ -884,6 +976,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Mesa_ocean",
@@ -900,6 +994,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mesa Bryce: Variant of Mesa, but with perfect strata and a much smaller red sand desert
@@ -917,6 +1013,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaBryce_sandlevel",
@@ -933,6 +1031,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaBryce_ocean",
@@ -949,6 +1049,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 
@@ -970,6 +1072,8 @@ local function register_biomes()
 		vertical_blend = 0, -- we want a sharp transition
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	-- The oak forest plateau of this biome.
 	-- This is a plateau for grass blocks, dry shrubs, tall grass, coarse dirt and oaks.
@@ -989,6 +1093,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaPlateauF_sandlevel",
@@ -1005,6 +1111,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaPlateauF_ocean",
@@ -1021,6 +1129,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mesa Plateau FM
@@ -1042,6 +1152,8 @@ local function register_biomes()
 		vertical_blend = 5,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	-- Grass plateau
 	minetest.register_biome({
@@ -1059,6 +1171,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaPlateauFM_sandlevel",
@@ -1077,6 +1191,8 @@ local function register_biomes()
 		vertical_blend = 4,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MesaPlateauFM_ocean",
@@ -1093,6 +1209,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 
@@ -1111,6 +1229,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Savanna_beach",
@@ -1126,6 +1246,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Savanna_ocean",
@@ -1141,6 +1263,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Savanna M
@@ -1160,6 +1284,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 23,
+		_mcl_skycolor = "#6EB1FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "SavannaM_ocean",
@@ -1175,6 +1301,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 23,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Jungle
@@ -1192,6 +1320,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Jungle_shore",
@@ -1207,6 +1337,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Jungle_ocean",
@@ -1223,6 +1355,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Jungle M
@@ -1241,6 +1375,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "JungleM_shore",
@@ -1256,6 +1392,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "JungleM_ocean",
@@ -1272,6 +1410,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Jungle Edge
@@ -1289,6 +1429,8 @@ local function register_biomes()
 		heat_point = 76,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 26,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "JungleEdge_ocean",
@@ -1304,6 +1446,8 @@ local function register_biomes()
 		heat_point = 76,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 26,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Jungle Edge M (very rare).
@@ -1324,6 +1468,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 27,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "JungleEdgeM_ocean",
@@ -1339,6 +1485,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 27,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mangrove swamp
@@ -1357,6 +1505,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MangroveSwamp_shore",
@@ -1372,6 +1522,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MangroveSwamp_ocean",
@@ -1388,6 +1540,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	-- Swampland
 	minetest.register_biome({
@@ -1405,6 +1559,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Swampland_shore",
@@ -1420,6 +1576,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
+		_mcl_skycolor = "#78A7FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "Swampland_ocean",
@@ -1436,6 +1594,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Mushroom Island / Mushroom Island Shore (rare)
@@ -1456,6 +1616,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	minetest.register_biome({
@@ -1472,6 +1634,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
+		_mcl_skycolor = "#77A8FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 	minetest.register_biome({
 		name = "MushroomIsland_ocean",
@@ -1487,6 +1651,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
+		_mcl_skycolor = "#7BA4FF",
+		_mcl_fogcolor = "#C0D8FF"
 	})
 
 	-- Add deep ocean and underground biomes automatically.
@@ -1509,6 +1675,8 @@ local function register_biomes()
 			vertical_blend = 5,
 			_mcl_biome_type = minetest.registered_biomes[biome]._mcl_biome_type,
 			_mcl_palette_index = minetest.registered_biomes[biome]._mcl_palette_index,
+			_mcl_skycolor = "#7BA4FF",
+			_mcl_fogcolor = "#C0D8FF"
 		})
 
 		-- Underground biomes are used to identify the underground and to prevent nodes from the surface
@@ -1521,6 +1689,8 @@ local function register_biomes()
 			y_max = DEEP_OCEAN_MIN - 1,
 			_mcl_biome_type = minetest.registered_biomes[biome]._mcl_biome_type,
 			_mcl_palette_index = minetest.registered_biomes[biome]._mcl_palette_index,
+			_mcl_skycolor = minetest.registered_biomes[biome]._mcl_skycolor,
+			_mcl_fogcolor = minetest.registered_biomes[biome]._mcl_fogcolor,
 		})
 
 	end
@@ -1575,6 +1745,8 @@ local function register_dimension_biomes()
 		humidity_point = 0,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+--		_mcl_skycolor = "#6EB1FF",
+--		_mcl_fogcolor = "#330808"
 	})
 
 	minetest.register_decoration({
@@ -1604,6 +1776,8 @@ local function register_dimension_biomes()
 		humidity_point = 33,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+--		_mcl_skycolor = "#6EB1FF",
+--		_mcl_fogcolor = "#1B4745"
 	})
 	minetest.register_decoration({
 		deco_type = "simple",
@@ -1653,6 +1827,8 @@ local function register_dimension_biomes()
 		humidity_point = 47,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+--		_mcl_skycolor = "#6EB1FF",
+--		_mcl_fogcolor = "#330303"
 	})
 	minetest.register_decoration({
 		deco_type = "simple",
@@ -1680,6 +1856,8 @@ local function register_dimension_biomes()
 		humidity_point = 70,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+--		_mcl_skycolor = "#6EB1FF",
+--		_mcl_fogcolor = "#1A051A"
 	})
 	minetest.register_decoration({
 		deco_type = "simple",
@@ -1707,6 +1885,8 @@ local function register_dimension_biomes()
 		humidity_point = 80,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
+--		_mcl_skycolor = "#6EB1FF",
+--		_mcl_fogcolor = "#685F70"
 	})
 
 	minetest.register_decoration({
@@ -1759,6 +1939,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 	minetest.register_biome({
 		name = "EndBarrens",
@@ -1774,6 +1956,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 	minetest.register_biome({
 		name = "EndMidlands",
@@ -1789,6 +1973,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 	minetest.register_biome({
 		name = "EndHighlands",
@@ -1804,6 +1990,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 	minetest.register_biome({
 		name = "EndSmallIslands",
@@ -1819,6 +2007,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 
 	minetest.register_biome({
@@ -1837,6 +2027,8 @@ local function register_dimension_biomes()
 		min_pos = {x = -1250, y = mcl_vars.mg_end_min, z = -1250},
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 
 	minetest.register_biome({
@@ -1853,6 +2045,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
+--		_mcl_skycolor = "#000000",
+--		_mcl_fogcolor = "#A080A0"
 	})
 
 end

From 1977dbf9a1dde56ade336875a8fcc22f8cf72790 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 13:05:52 +0000
Subject: [PATCH 03/13] Remove excessive whitespace

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index 7b25fbe9a..d0bc7bd91 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -138,7 +138,6 @@ mcl_weather.skycolor = {
 					biomesky = minetest.registered_biomes[biome]._mcl_skycolor
 					biomefog = minetest.registered_biomes[biome]._mcl_fogcolor
 				end
-
 				if (mcl_weather.state == "none") then
 					-- Clear weather
 					mcl_weather.set_sky_box_clear(player,biomesky,biomefog)

From 1c752019f04583307a81447eb91a67d362c10fd1 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 13:08:23 +0000
Subject: [PATCH 04/13] Make the explanation shorter

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index d0bc7bd91..1b135f086 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -7,8 +7,8 @@ local mg_name = minetest.get_mapgen_setting("mg_name")
 
 function mcl_weather.set_sky_box_clear(player,sky,fog)
 	local sc = {
-			day_sky = "#0000FF", --Pure blue to make debugging this stuff easier. The biome's sky colours are supposed to overwrite this.
-			day_horizon = "#FF0000", --Pure red to make debugging this stuff easier. The biome's fog (horizon) colours are supposed to overwrite this.
+			day_sky = "#0000FF", -- Pure blue to make debugging this stuff easier. Not visible during normal gameplay.
+			day_horizon = "#FF0000", -- Pure red to make debugging this stuff easier. Not visible during normal gameplay.
 			dawn_sky = "#B4BAFA",
 			dawn_horizon = "#BAC1F0",
 			night_sky = "#000000",

From 79b1db4b1a9ffda1a8f3263f463e1ba14bf06176 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 14:04:47 +0000
Subject: [PATCH 05/13] Fix underwater fog colour regression

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index 1b135f086..be45e2a9b 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -6,6 +6,8 @@ local water_color = "#0b4880"
 local mg_name = minetest.get_mapgen_setting("mg_name")
 
 function mcl_weather.set_sky_box_clear(player,sky,fog)
+	local pos = player:get_pos()
+	if minetest.get_item_group(minetest.get_node(vector.new(pos.x,pos.y+1.5,pos.z)).name, "water") ~= 0 then return end
 	local sc = {
 			day_sky = "#0000FF", -- Pure blue to make debugging this stuff easier. Not visible during normal gameplay.
 			day_horizon = "#FF0000", -- Pure red to make debugging this stuff easier. Not visible during normal gameplay.

From afbb8e2288548c06b9749f396663676ea804a05c Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 15:57:33 +0000
Subject: [PATCH 06/13] Add locals for certain hex codes that occur too many
 times

---
 mods/MAPGEN/mcl_biomes/init.lua | 287 ++++++++++++++++----------------
 1 file changed, 148 insertions(+), 139 deletions(-)

diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index 8ed602a36..73b2e3fe2 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -42,8 +42,8 @@ local function register_classic_superflat_biome()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 end
 
@@ -130,6 +130,15 @@ local function register_biomes()
 		"MangroveSwamp",
 	}
 
+local beach_skycolor = "#78A7FF" -- This is the case for all beach biomes except for the snowy ones! Those beaches will have their own colour instead of this one.
+local ocean_skycolor = "#7BA4FF" -- This is the case for all ocean biomes except for non-deep frozen oceans! Those oceans will have their own colour instead of this one.
+local overworld_fogcolor = "#C0D8FF"
+
+local nether_skycolor = "#6EB1FF"
+
+local end_fogcolor = "#A080A0"
+local end_skycolor = "#000000"
+
 	-- Ice Plains Spikes (rare)
 	minetest.register_biome({
 		name = "IcePlainsSpikes",
@@ -149,7 +158,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 2,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "IcePlainsSpikes_ocean",
@@ -167,7 +176,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 2,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Cold Taiga
@@ -187,7 +196,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
 		_mcl_skycolor = "#839EFF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- A cold beach-like biome, implemented as low part of Cold Taiga
@@ -209,7 +218,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	-- Water part of the beach. Added to prevent snow being on the ice.
 	minetest.register_biome({
@@ -229,7 +238,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "ColdTaiga_ocean",
@@ -247,7 +256,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 3,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mega Pine Taiga
@@ -266,7 +275,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 4,
 		_mcl_skycolor = "#7CA3FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MegaTaiga_ocean",
@@ -282,8 +291,8 @@ local function register_biomes()
 		heat_point = 10,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 4,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mega Spruce Taiga
@@ -302,7 +311,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 5,
 		_mcl_skycolor = "#7DA3FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MegaSpruceTaiga_ocean",
@@ -318,8 +327,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 5,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Extreme Hills
@@ -339,7 +348,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
 		_mcl_skycolor = "#7DA2FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "ExtremeHills_beach",
@@ -356,8 +365,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "ExtremeHills_ocean",
@@ -374,8 +383,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 6,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Extreme Hills M
@@ -395,7 +404,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 7,
 		_mcl_skycolor = "#7DA2FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "ExtremeHillsM_ocean",
@@ -411,8 +420,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 7,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Extreme Hills+
@@ -434,7 +443,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
 		_mcl_skycolor = "#7DA2FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	---- Sub-biome for Extreme Hills+ for those snow forests
 	minetest.register_biome({
@@ -454,7 +463,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
 		_mcl_skycolor = "#7DA2FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "ExtremeHills+_ocean",
@@ -470,8 +479,8 @@ local function register_biomes()
 		heat_point = 25,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 8,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Stone beach
@@ -488,7 +497,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 9,
 		_mcl_skycolor = "#7DA2FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	minetest.register_biome({
@@ -504,8 +513,8 @@ local function register_biomes()
 		heat_point = 8,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 9,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Ice Plains
@@ -528,7 +537,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 10,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "IcePlains_ocean",
@@ -545,7 +554,7 @@ local function register_biomes()
 		_mcl_biome_type = "snowy",
 		_mcl_palette_index = 10,
 		_mcl_skycolor = "#7FA1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Plains
@@ -564,7 +573,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Plains_beach",
@@ -580,8 +589,8 @@ local function register_biomes()
 		heat_point = 58,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Plains_ocean",
@@ -597,8 +606,8 @@ local function register_biomes()
 		heat_point = 58,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Sunflower Plains
@@ -617,7 +626,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 11,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "SunflowerPlains_ocean",
@@ -633,8 +642,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 11,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Taiga
@@ -653,7 +662,7 @@ local function register_biomes()
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
 		_mcl_skycolor = "#7DA3FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Taiga_beach",
@@ -669,8 +678,8 @@ local function register_biomes()
 		heat_point = 22,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Taiga_ocean",
@@ -686,8 +695,8 @@ local function register_biomes()
 		heat_point = 22,
 		_mcl_biome_type = "cold",
 		_mcl_palette_index = 12,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Forest
@@ -706,7 +715,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
 		_mcl_skycolor = "#79A6FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Forest_beach",
@@ -722,8 +731,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Forest_ocean",
@@ -739,8 +748,8 @@ local function register_biomes()
 		heat_point = 45,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 13,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Flower Forest
@@ -759,7 +768,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
 		_mcl_skycolor = "#79A6FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "FlowerForest_beach",
@@ -775,8 +784,8 @@ local function register_biomes()
 		heat_point = 32,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "FlowerForest_ocean",
@@ -792,8 +801,8 @@ local function register_biomes()
 		heat_point = 32,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 14,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Birch Forest
@@ -812,7 +821,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 15,
 		_mcl_skycolor = "#7AA5FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "BirchForest_ocean",
@@ -828,8 +837,8 @@ local function register_biomes()
 		heat_point = 31,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 15,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Birch Forest M
@@ -848,7 +857,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 16,
 		_mcl_skycolor = "#7AA5FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "BirchForestM_ocean",
@@ -864,8 +873,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 16,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Desert
@@ -885,7 +894,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Desert_ocean",
@@ -901,8 +910,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Roofed Forest
@@ -921,7 +930,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 18,
 		_mcl_skycolor = "#79A6FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "RoofedForest_ocean",
@@ -937,8 +946,8 @@ local function register_biomes()
 		heat_point = 27,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 18,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mesa: Starts with a couple of sand-covered layers (the "sandlevel"),
@@ -958,7 +967,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	-- Helper biome for the red sand at the bottom of Mesas.
 	minetest.register_biome({
@@ -977,7 +986,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Mesa_ocean",
@@ -994,8 +1003,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 19,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mesa Bryce: Variant of Mesa, but with perfect strata and a much smaller red sand desert
@@ -1014,7 +1023,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaBryce_sandlevel",
@@ -1032,7 +1041,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaBryce_ocean",
@@ -1049,8 +1058,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 20,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 
@@ -1073,7 +1082,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	-- The oak forest plateau of this biome.
 	-- This is a plateau for grass blocks, dry shrubs, tall grass, coarse dirt and oaks.
@@ -1094,7 +1103,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaPlateauF_sandlevel",
@@ -1112,7 +1121,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaPlateauF_ocean",
@@ -1129,8 +1138,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 21,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mesa Plateau FM
@@ -1153,7 +1162,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	-- Grass plateau
 	minetest.register_biome({
@@ -1172,7 +1181,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaPlateauFM_sandlevel",
@@ -1192,7 +1201,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MesaPlateauFM_ocean",
@@ -1209,8 +1218,8 @@ local function register_biomes()
 		heat_point = 60,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 22,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 
@@ -1230,7 +1239,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Savanna_beach",
@@ -1246,8 +1255,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
-		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = beach_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Savanna_ocean",
@@ -1263,8 +1272,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 1,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Savanna M
@@ -1285,7 +1294,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 23,
 		_mcl_skycolor = "#6EB1FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "SavannaM_ocean",
@@ -1301,8 +1310,8 @@ local function register_biomes()
 		heat_point = 100,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 23,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Jungle
@@ -1321,7 +1330,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Jungle_shore",
@@ -1338,7 +1347,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Jungle_ocean",
@@ -1355,8 +1364,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 24,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Jungle M
@@ -1376,7 +1385,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "JungleM_shore",
@@ -1393,7 +1402,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "JungleM_ocean",
@@ -1410,8 +1419,8 @@ local function register_biomes()
 		heat_point = 81,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 25,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Jungle Edge
@@ -1430,7 +1439,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 26,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "JungleEdge_ocean",
@@ -1446,8 +1455,8 @@ local function register_biomes()
 		heat_point = 76,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 26,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Jungle Edge M (very rare).
@@ -1469,7 +1478,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 27,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "JungleEdgeM_ocean",
@@ -1485,8 +1494,8 @@ local function register_biomes()
 		heat_point = 79,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 27,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mangrove swamp
@@ -1506,7 +1515,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MangroveSwamp_shore",
@@ -1523,7 +1532,7 @@ local function register_biomes()
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MangroveSwamp_ocean",
@@ -1540,8 +1549,8 @@ local function register_biomes()
 		heat_point = 94,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 27,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	-- Swampland
 	minetest.register_biome({
@@ -1560,7 +1569,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Swampland_shore",
@@ -1577,7 +1586,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
 		_mcl_skycolor = "#78A7FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "Swampland_ocean",
@@ -1594,8 +1603,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 28,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Mushroom Island / Mushroom Island Shore (rare)
@@ -1617,7 +1626,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	minetest.register_biome({
@@ -1635,7 +1644,7 @@ local function register_biomes()
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
 		_mcl_skycolor = "#77A8FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_fogcolor = overworld_fogcolor
 	})
 	minetest.register_biome({
 		name = "MushroomIsland_ocean",
@@ -1651,8 +1660,8 @@ local function register_biomes()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 29,
-		_mcl_skycolor = "#7BA4FF",
-		_mcl_fogcolor = "#C0D8FF"
+		_mcl_skycolor = ocean_skycolor,
+		_mcl_fogcolor = overworld_fogcolor
 	})
 
 	-- Add deep ocean and underground biomes automatically.
@@ -1675,8 +1684,8 @@ local function register_biomes()
 			vertical_blend = 5,
 			_mcl_biome_type = minetest.registered_biomes[biome]._mcl_biome_type,
 			_mcl_palette_index = minetest.registered_biomes[biome]._mcl_palette_index,
-			_mcl_skycolor = "#7BA4FF",
-			_mcl_fogcolor = "#C0D8FF"
+			_mcl_skycolor = ocean_skycolor,
+			_mcl_fogcolor = overworld_fogcolor
 		})
 
 		-- Underground biomes are used to identify the underground and to prevent nodes from the surface
@@ -1745,7 +1754,7 @@ local function register_dimension_biomes()
 		humidity_point = 0,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
---		_mcl_skycolor = "#6EB1FF",
+--		_mcl_skycolor = nether_skycolor,
 --		_mcl_fogcolor = "#330808"
 	})
 
@@ -1776,7 +1785,7 @@ local function register_dimension_biomes()
 		humidity_point = 33,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
---		_mcl_skycolor = "#6EB1FF",
+--		_mcl_skycolor = nether_skycolor,
 --		_mcl_fogcolor = "#1B4745"
 	})
 	minetest.register_decoration({
@@ -1827,7 +1836,7 @@ local function register_dimension_biomes()
 		humidity_point = 47,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
---		_mcl_skycolor = "#6EB1FF",
+--		_mcl_skycolor = nether_skycolor,
 --		_mcl_fogcolor = "#330303"
 	})
 	minetest.register_decoration({
@@ -1856,7 +1865,7 @@ local function register_dimension_biomes()
 		humidity_point = 70,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
---		_mcl_skycolor = "#6EB1FF",
+--		_mcl_skycolor = nether_skycolor,
 --		_mcl_fogcolor = "#1A051A"
 	})
 	minetest.register_decoration({
@@ -1885,7 +1894,7 @@ local function register_dimension_biomes()
 		humidity_point = 80,
 		_mcl_biome_type = "hot",
 		_mcl_palette_index = 17,
---		_mcl_skycolor = "#6EB1FF",
+--		_mcl_skycolor = nether_skycolor,
 --		_mcl_fogcolor = "#685F70"
 	})
 
@@ -1939,8 +1948,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 	minetest.register_biome({
 		name = "EndBarrens",
@@ -1956,8 +1965,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 	minetest.register_biome({
 		name = "EndMidlands",
@@ -1973,8 +1982,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 	minetest.register_biome({
 		name = "EndHighlands",
@@ -1990,8 +1999,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 	minetest.register_biome({
 		name = "EndSmallIslands",
@@ -2007,8 +2016,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 
 	minetest.register_biome({
@@ -2027,8 +2036,8 @@ local function register_dimension_biomes()
 		min_pos = {x = -1250, y = mcl_vars.mg_end_min, z = -1250},
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 
 	minetest.register_biome({
@@ -2045,8 +2054,8 @@ local function register_dimension_biomes()
 		vertical_blend = 16,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
---		_mcl_skycolor = "#000000",
---		_mcl_fogcolor = "#A080A0"
+--		_mcl_skycolor = end_skycolor,
+--		_mcl_fogcolor = end_fogcolor
 	})
 
 end

From a50908e1eb1ee405789c8b74b81683a18b2132ab Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Wed, 21 Dec 2022 16:00:04 +0000
Subject: [PATCH 07/13] Fix the flat biome having a beach sky colour

---
 mods/MAPGEN/mcl_biomes/init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index 73b2e3fe2..25e8f3e34 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -42,7 +42,7 @@ local function register_classic_superflat_biome()
 		heat_point = 50,
 		_mcl_biome_type = "medium",
 		_mcl_palette_index = 0,
-		_mcl_skycolor = beach_skycolor,
+		_mcl_skycolor = "#78A7FF",
 		_mcl_fogcolor = overworld_fogcolor
 	})
 end

From 8d51e16b8e37a04e957ca8f6717bead8177f9d3c Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Thu, 22 Dec 2022 12:34:14 +0000
Subject: [PATCH 08/13] Remove obsolete texture

---
 .../textures/mcl_blackstone_gilded_side.png      | Bin 2199 -> 0 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 mods/ITEMS/mcl_blackstone/textures/mcl_blackstone_gilded_side.png

diff --git a/mods/ITEMS/mcl_blackstone/textures/mcl_blackstone_gilded_side.png b/mods/ITEMS/mcl_blackstone/textures/mcl_blackstone_gilded_side.png
deleted file mode 100644
index 1b8b5dee02b58407e6e4557758a150b04a76ce28..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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From 4c23601d039f14bd55b158211371e6fc26d4d890 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Thu, 22 Dec 2022 12:38:05 +0000
Subject: [PATCH 09/13] Remove useless amethyst texture

This texture is a remnant of the PixelPerfection resource pack and nowhere in the code does this texture get used.
---
 .../mcl_amethyst_amethyst_cluster_block.png      | Bin 7115 -> 0 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 mods/ITEMS/mcl_amethyst/textures/mcl_amethyst_amethyst_cluster_block.png

diff --git a/mods/ITEMS/mcl_amethyst/textures/mcl_amethyst_amethyst_cluster_block.png b/mods/ITEMS/mcl_amethyst/textures/mcl_amethyst_amethyst_cluster_block.png
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GIT binary patch
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From 9ef4a850b140014b079a7ab5ba66487fad5a1614 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Thu, 22 Dec 2022 12:40:10 +0000
Subject: [PATCH 10/13] Remove dry grass top texture

This is a remnant of Minetest Game and used to be for dry biomes before colour palettes were a thing in MineClone 2.
---
 .../ITEMS/mcl_core/textures/default_dry_grass.png | Bin 171 -> 0 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 mods/ITEMS/mcl_core/textures/default_dry_grass.png

diff --git a/mods/ITEMS/mcl_core/textures/default_dry_grass.png b/mods/ITEMS/mcl_core/textures/default_dry_grass.png
deleted file mode 100644
index e610678a629d2b865eac6e1b443c9479e07d17d9..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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XMOD(O)omCU7#KWV{an^LB{Ts5cG5DQ


From e1f26ea70d8050effadec45c674637a3dee58a32 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Thu, 22 Dec 2022 12:40:36 +0000
Subject: [PATCH 11/13] Remove dry grass side texture

The same reason as why the dry grass top texture got removed.
---
 .../mcl_core/textures/default_dry_grass_side.png  | Bin 183 -> 0 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 mods/ITEMS/mcl_core/textures/default_dry_grass_side.png

diff --git a/mods/ITEMS/mcl_core/textures/default_dry_grass_side.png b/mods/ITEMS/mcl_core/textures/default_dry_grass_side.png
deleted file mode 100644
index b12d06e7b7f09a73a9a68add444a8fe907b51243..0000000000000000000000000000000000000000
GIT binary patch
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gi8CBa=P)uXxF&a_T3|vA0|Nttr>mdKI;Vst0B(^%EC2ui


From 522bbbbe26a6e1991016c46b021d6b1c309cd610 Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Thu, 22 Dec 2022 12:47:44 +0000
Subject: [PATCH 12/13] Delete
 'mods/ENTITIES/mobs_mc/textures/mobs_mc_enderman_block.png'

---
 .../mobs_mc/textures/mobs_mc_enderman_block.png   | Bin 702 -> 0 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 mods/ENTITIES/mobs_mc/textures/mobs_mc_enderman_block.png

diff --git a/mods/ENTITIES/mobs_mc/textures/mobs_mc_enderman_block.png b/mods/ENTITIES/mobs_mc/textures/mobs_mc_enderman_block.png
deleted file mode 100644
index 97d949d8a3750e4ca7fd2946a494db348f9f4956..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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kXm=8o92o`NM4lw{ACk@v?Z-kvR{#J207*qoM6N<$f=0O@NB{r;


From 9eb86f011b2906d96acf530dd1c713e23d76123b Mon Sep 17 00:00:00 2001
From: FossFanatic <fossfanatic@noreply.git.minetest.land>
Date: Sat, 24 Dec 2022 14:54:48 +0000
Subject: [PATCH 13/13] Make the code clearer to read

---
 mods/ENVIRONMENT/mcl_weather/skycolor.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mods/ENVIRONMENT/mcl_weather/skycolor.lua b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
index be45e2a9b..e8123b0d1 100644
--- a/mods/ENVIRONMENT/mcl_weather/skycolor.lua
+++ b/mods/ENVIRONMENT/mcl_weather/skycolor.lua
@@ -5,7 +5,7 @@ local water_color = "#0b4880"
 
 local mg_name = minetest.get_mapgen_setting("mg_name")
 
-function mcl_weather.set_sky_box_clear(player,sky,fog)
+function mcl_weather.set_sky_box_clear(player, sky, fog)
 	local pos = player:get_pos()
 	if minetest.get_item_group(minetest.get_node(vector.new(pos.x,pos.y+1.5,pos.z)).name, "water") ~= 0 then return end
 	local sc = {
@@ -31,7 +31,7 @@ end
 
 function mcl_weather.set_sky_color(player, def)
 	local pos = player:get_pos()
-	if minetest.get_item_group(minetest.get_node(vector.new(pos.x,pos.y+1.5,pos.z)).name, "water") ~= 0 then return end
+	if minetest.get_item_group(minetest.get_node(vector.offset(pos, 0, 1.5, 0)).name, "water") ~= 0 then return end
 	player:set_sky({
 		type = def.type,
 		sky_color = def.sky_color,