fix crash if detected light at a node is nil

2015-02-09 12:50:32 -05:00
parent 581aee0570
commit 811e1d2ee2
1 changed files with 1 additions and 1 deletions
--- a/nature_classic/global_function.lua
+++ b/nature_classic/global_function.lua
@@ -43,7 +43,7 @@ end

 function nature:grow_node(pos, nodename)
    if pos ~= nil then
-        local light_enough = minetest.get_node_light(pos, nil)
+        local light_enough = (minetest.get_node_light(pos, nil) or 0)
                >= nature.minimum_growth_light 

        if is_not_young(pos) and light_enough then