fetch day_night overrides from daynight mod

mod.conf

@@ -1,4 +1,4 @@
 name = creative_regions
 description = Toggle privs in areas
 depends = default, sfinv
-optional_depends = areas, unified_inventory, hunger_ng, vehicles, playerfactions
+optional_depends = areas, unified_inventory, hunger_ng, vehicles, playerfactions, daynight

player.lua

@@ -60,13 +60,30 @@ local DAYNIGHT_AUTO = -1
 local DAYNIGHT_UNSET = -2
 
 function creative_regions:save_player_day_night_ratio(player)
+--[[
 	local current_day_night_ratio = player:get_day_night_ratio()
 	if current_day_night_ratio == nil then current_day_night_ratio = DAYNIGHT_AUTO end
 	local pmeta = player:get_meta()
 	pmeta:set_int("creative_regions_day_night_ratio", current_day_night_ratio)
+--]]
 end
 
 function creative_regions:restore_player_day_night_ratio(player)
+	local name = player:get_player_name()
+	local current_day_night_ratio = player:get_day_night_ratio()
+	if minetest.get_modpath("daynight") then
+		local daynight_prefs = {}
+		local daynight_file = io.open(minetest.get_worldpath()..DIR_DELIM.."daynight.txt", "r")
+		if daynight_file then
+			local data = daynight_file:read("*all")
+			daynight_prefs = minetest.deserialize(data)
+			daynight_file:close()
+			player:override_day_night_ratio(daynight_prefs[name])
+		end
+	end
+	return current_day_night_ratio
+
+--[[
 	local pmeta = player:get_meta()
 	local current_day_night_ratio = player:get_day_night_ratio()
 	local saved_day_night_ratio = pmeta:get_int("creative_regions_day_night_ratio")
@@ -76,6 +93,7 @@ function creative_regions:restore_player_day_night_ratio(player)
 		pmeta:set_int("creative_regions_day_night_ratio", DAYNIGHT_UNSET)
 	end
 	return current_day_night_ratio
+--]]
 end
 
 function creative_regions:player_enter_region(player, new_privs_table, initialize)