start using happy_weather_api, fix #8 sky reseting issue

commands.lua

@@ -0,0 +1,36 @@
+------------------------------------
+-- Happy Weather API Chat Commands
+
+-- License: MIT
+
+-- Credits: xeranas
+------------------------------------
+
+minetest.register_privilege("weather_manager", {
+	description = "Gives ability to control weather",
+	give_to_singleplayer = false
+})
+
+minetest.register_chatcommand("start_weather", {
+	params = "<weather_cd>",
+	description = "Starts weather by given weather code.",
+	privs = {weather_manager = true},
+	func = function(name, param)
+		if param ~= nil then
+			happy_weather.request_to_start(param)
+			minetest.log("action", name .. " requested weather '" .. param .. "' from chat command")
+		end
+	end
+})
+
+minetest.register_chatcommand("stop_weather", {
+	params = "<weather_cd>",
+	description = "Ends weather by given weather code.",
+	privs = {weather_manager = true},
+	func = function(name, param)
+		if param ~= nil then
+			happy_weather.request_to_end(param)
+			minetest.log("action", name .. " requested weather '" .. param .. "' ending from chat command")
+		end
+	end
+})