readd old chat commands and priv

mods/ENVIRONMENT/mcl_weather/init.lua

@@ -245,23 +245,71 @@ minetest.register_on_leaveplayer(function(player)
 	cla_weather.stop_weather_player(player:get_player_name())
 end)
 
-
-minetest.register_chatcommand("cw",{
-    func=function(name,param)
-		mcl_weather.change(param,true)
-    end
+minetest.register_privilege("weather_manager", {
+	description = S("Gives ability to control weather"),
+	give_to_singleplayer = false
 })
-minetest.register_chatcommand("sc",{
-    func=function(name,param)
-		mcl_weather.skycolor.add_layer("weather",{{r=0, g=0, b=0},
-			{r=85, g=86, b=98},
-			{r=135, g=135, b=151},
-			{r=85, g=86, b=98},
-			{r=0, g=0, b=0}})
-		--def.skylayer)
-		mcl_weather.skycolor.active = true
-		mcl_weather.skycolor.update_sky_color()
-    end
+
+-- Weather command definition. Set 
+minetest.register_chatcommand("weather", {
+	params = "(clear | rain | snow | thunder) [<duration>]",
+	description = S("Changes the weather to the specified parameter."),
+	privs = {weather_manager = true},
+	func = function(name, param)
+		if (param == "") then
+			return false, S("Error: No weather specified.")
+		end
+
+		local new_weather, duration
+		local parse1, parse2 = string.match(param, "(%w+) ?(%d*)")
+		if parse1 then
+			if parse1 == "clear" then
+				new_weather = "none"
+			else
+				new_weather = parse1
+			end
+		else
+			return false, S("Error: Invalid parameters.")
+		end
+		if parse2 then
+			if type(tonumber(parse2)) == "number" then
+				duration = tonumber(parse2)
+				if duration < 1 then
+					return false, S("Error: Duration can't be less than 1 second.")
+				end
+			end
+		end
+
+		local def=mcl_weather.get_weatherdef(param)
+		if def then
+			mcl_weather.stop_weather(mcl_weather.get_weatherdef(mcl_weather.state))
+			if duration then
+				def.min_duration=duration
+				def.max_duration=duration
+			end
+			mcl_weather.start_weather(def)
+			return true
+		end
+		return false, S("Error: Invalid weather specified. Use “clear”, “rain”, “snow” or “thunder”.")
+	end
+})
+
+minetest.register_chatcommand("toggledownfall", {
+	params = "",
+	description = S("Toggles between clear weather and weather with downfall (randomly rain, thunderstorm or snow)"),
+	privs = {weather_manager = true},
+	func = function(name, param)
+		-- Currently rain/thunder/snow: Set weather to clear
+		if mcl_weather.state ~= "none" then
+			mcl_weather.change("none")
+
+		-- Currently clear: Set weather randomly to rain/thunder/snow
+		else
+			local new = { "rain", "thunder", "snow" }
+			local r = math.random(1, #new)
+			return mcl_weather.change(new[r],true)
+		end
+	end
 })
 
 mcl_weather.register_weather("none",{