From cf7e64ff40cc8ef9b743b9d83ea8b4338f8b26ac Mon Sep 17 00:00:00 2001
From: khonkhortisan <khonkhortisan@gmail.com>
Date: Sat, 20 Apr 2013 16:00:08 -0700
Subject: [PATCH] Don't eat stairs

---
 weather/snow.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/weather/snow.lua b/weather/snow.lua
index 73fd62d..cbd5586 100644
--- a/weather/snow.lua
+++ b/weather/snow.lua
@@ -62,7 +62,8 @@ minetest.register_abm({
 			if minetest.registered_nodes[node.name].drawtype == "normal"
 			or minetest.registered_nodes[node.name].drawtype == "allfaces_optional" then
 				local np = addvectors(pos, {x=0, y=1, z=0})
-				if minetest.env:get_node_light(np, 0.5) == 15 then
+				if minetest.env:get_node_light(np, 0.5) == 15
+				and minetest.env:get_node(np).name == "air" then
 					minetest.env:add_node(np, {name="weather:snow_cover"})
 				end
 			end