From 1c09490ba359d0896aac22c8cb709b706c36257a Mon Sep 17 00:00:00 2001
From: cora <coradelamouche@gmx.ch>
Date: Thu, 6 Oct 2022 06:56:13 +0200
Subject: [PATCH] Add simple Deep Dark biome with sculk and catalysts

---
 mods/ITEMS/mcl_sculk/init.lua   |  2 +-
 mods/MAPGEN/mcl_biomes/init.lua | 37 +++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/mods/ITEMS/mcl_sculk/init.lua b/mods/ITEMS/mcl_sculk/init.lua
index 765a01051..d98a749e0 100644
--- a/mods/ITEMS/mcl_sculk/init.lua
+++ b/mods/ITEMS/mcl_sculk/init.lua
@@ -1,7 +1,7 @@
 local S = minetest.get_translator(minetest.get_current_modname())
 local mt_sound_play = minetest.sound_play
 
-local spread_to = {"mcl_core:stone","mcl_core:dirt","mcl_core:sand","mcl_core:dirt_with_grass","group:grass_block","mcl_core:andesite","mcl_core:diorite","mcl_core:granite","mcl_core:mycelium","group:dirt","mcl_end:end_stone","mcl_nether:netherrack","mcl_blackstone:basalt","mcl_nether:soul_sand","mcl_blackstone:soul_soil","mcl_crimson:warped_nylium","mcl_crimson:crimson_nylium","mcl_core:gravel"}
+local spread_to = {"mcl_core:stone","mcl_core:dirt","mcl_core:sand","mcl_core:dirt_with_grass","group:grass_block","mcl_core:andesite","mcl_core:diorite","mcl_core:granite","mcl_core:mycelium","group:dirt","mcl_end:end_stone","mcl_nether:netherrack","mcl_blackstone:basalt","mcl_nether:soul_sand","mcl_blackstone:soul_soil","mcl_crimson:warped_nylium","mcl_crimson:crimson_nylium","mcl_core:gravel","mcl_deepslate:deepslate","mcl_deepslate:tuff"}
 
 local sounds = {
 	footstep = {name = "mcl_sculk_block", },
diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index fd164d54e..2e3477450 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -1489,6 +1489,33 @@ local function register_biomes()
 		_mcl_palette_index = 29,
 	})
 
+	minetest.register_biome({
+		name = "DeepDark",
+		node_top = "mcl_sculk:sculk",
+		depth_top = 1,
+		node_filler = "mcl_deepslate:deepslate",
+		node_riverbed = "mcl_deepslate:deepslate",
+		depth_riverbed = 1,
+		node_stone = "mcl_deepslate:deepslate",
+		y_min = mcl_vars.mg_overworld_min,
+		y_max = mcl_vars.mg_overworld_min_old,
+		humidity_point = 0,
+		heat_point = 60,
+		vertical_blend = 8,
+		_mcl_biome_type = "hot",
+		_mcl_palette_index = 21,
+	})
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"group:material_stone","mcl_deepslate:deepslate"},
+		sidelen = 16,
+		fill_ratio = 10,
+		biomes = { "DeepDark" },
+		decoration = "mcl_sculk:sculk",
+		flags = "all_floors",
+		param2 = 0,
+	})
+
 	-- Add deep ocean and underground biomes automatically.
 	for i=1, #overworld_biomes do
 		local biome = overworld_biomes[i]
@@ -2763,6 +2790,16 @@ local function register_coral_decos(ck)
 end
 
 local function register_decorations()
+	--Deep Dark
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_sculk:sculk"},
+		sidelen = 16,
+		fill_ratio = 0.1,
+		decoration = "mcl_sculk:catalyst",
+		biomes = {"DeepDark"},
+		flags = "all_floors",
+	})
 	-- Coral Reefs
 	for k,_ in pairs(corals) do
 		register_coral_decos(k)