fix deprecated messages

M  depends.txt
M  src/mapgen.lua
M  src/nodes.lua

depends.txt

@@ -1,3 +1,4 @@
 default
 flowers?
 moreblocks?
+skins?

src/mapgen.lua

@@ -58,19 +58,18 @@ end)
 
 
 --Identify the mapgen.
-minetest.register_on_mapgen_init(function(MapgenParams)
-	local mgname = MapgenParams.mgname
+local mgname = minetest.get_mapgen_setting"mg_name"
 if not mgname then
-		io.write("[MOD] Snow Biomes: WARNING! mapgen could not be identifyed!\n")
+	minetest.log("error", "[MOD] Snow Biomes: WARNING! mapgen could not be identifyed!")
 end
+local path = minetest.get_modpath"snow"
 if mgname == "v7" then
 	--Load mapgen_v7 compatibility.
-		dofile(minetest.get_modpath("snow").."/src/mapgen_v7.lua")
+	dofile(path.."/src/mapgen_v7.lua")
 else
 	--Load mapgen_v6 compatibility.
-		dofile(minetest.get_modpath("snow").."/src/mapgen_v6.lua")
+	dofile(path.."/src/mapgen_v6.lua")
 end
-end)
 
 -- To complete the commenting-out add the *closing* comment under this line.
 

src/nodes.lua

@@ -60,13 +60,10 @@ end)
 
 
 
-	--Christmas easter egg
-	minetest.register_on_mapgen_init( function()
-		if rawget(_G, "skins") then
-			skins.add("character_snow_man")
+	-- Christmas egg
+	if minetest.global_exists"skins" then
+		skins.add"character_snow_man"
 	end
-	end
-	)
 
 
 -- Decorated Pine Leaves