From caedf0649a27b11dad42a695ba44564ebdcd7ddb Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Tue, 12 Sep 2017 18:09:26 +0200
Subject: [PATCH] Fix bedrock/lava/void layers not generating at all

lvm_used was accidentally set to nil by the clay generator. OMG!
---
 mods/MAPGEN/mcl_mapgen_core/init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mods/MAPGEN/mcl_mapgen_core/init.lua b/mods/MAPGEN/mcl_mapgen_core/init.lua
index 1bae386db..69b80297e 100644
--- a/mods/MAPGEN/mcl_mapgen_core/init.lua
+++ b/mods/MAPGEN/mcl_mapgen_core/init.lua
@@ -996,7 +996,7 @@ local perlin_clay
 local function generate_clay(minp, maxp, seed, voxelmanip_data, voxelmanip_area, lvm_used)
 	-- TODO: Make clay generation reproducible for same seed.
 	if maxp.y < -5 or minp.y > 0 then
-		return
+		return lvm_used
 	end
 
 	perlin_clay = perlin_clay or minetest.get_perlin({