From ab82788acd1e4513d5db5c18763336eb52158a0b Mon Sep 17 00:00:00 2001
From: Thomas Rudin <thomas@rudin.io>
Date: Wed, 8 May 2019 21:16:23 +0200
Subject: [PATCH] cleanup

---
 mapgen.lua | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mapgen.lua b/mapgen.lua
index 1b81a1e..76f8763 100644
--- a/mapgen.lua
+++ b/mapgen.lua
@@ -1,4 +1,8 @@
 
+
+local has_vacuum_mod = minetest.get_modpath("vacuum")
+
+
 minetest.register_on_generated(function(minp, maxp, seed)
 
 	-- default from 6k to 10k
@@ -6,6 +10,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		return
 	end
 
+	if has_vacuum_mod and not vacuum.is_mapgen_block_in_space(minp, maxp) then
+		-- no vacuum there, don't generate planetoids in non-vacuum
+		return
+	end
+
+
 	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
 	local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}