Add hail effect and date functions

lib/calendar.lua

@@ -14,5 +14,5 @@ function weather_mod.handle_time_progression()
 	if time < weather_mod.state.time.last_check then
 		weather_mod.state.time.day = weather_mod.state.time.day + 1
 	end
-	weather_mod.state.last_check = time
+	weather_mod.state.time.last_check = time
 end

lib/calendar_dictionary.lua

@@ -1,4 +1,4 @@
-local days = {
+weather_mod.weekdays = {
 	"Monday",
 	"Tuesday",
 	"Wednesday",
@@ -8,7 +8,7 @@ local days = {
 	"Sunday"
 }
 
-local months = {
+weather_mod.months = {
 	{ name = "January", days = 31 },
 	{ name = "February", days = 28 },
 	{ name = "March", days = 31 },
@@ -21,4 +21,38 @@ local months = {
 	{ name = "October", days = 31 },
 	{ name = "November", days = 30 },
 	{ name = "December", days = 31 }
-}
+}
+
+weather_mod.seasons = {
+	{ name = "spring" },
+	{ name = "summer" },
+	{ name = "autumn" },
+	{ name = "winter" }
+}
+
+function weather_mod.get_weekday()
+	return (weather_mod.state.time.day - 1) % 7 + 1
+end
+
+function weather_mod.get_month()
+	local day = (weather_mod.state.time.day - 1) % 365 + 1
+	local sum = 0
+	for i, month in ipairs(weather_mod.months) do
+		sum = sum + month.days
+		if sum >= day then
+			return i
+		end
+	end
+end
+
+function weather_mod.get_season()
+	local month = weather_mod.get_month()
+	return math.floor((month - 1) / 3 + 1)
+end
+
+function weather_mod.print_date()
+	local weekday = weather_mod.weekdays[weather_mod.get_weekday()]
+	local date = (weather_mod.state.time.day - 1) % 365 + 1
+	local month = weather_mod.months[weather_mod.get_month()].name
+	return weekday .. ", " .. date .. ". " .. month
+end

lib/commands.lua

@@ -3,6 +3,13 @@ minetest.register_privilege("weather", {
 	give_to_singleplayer = false
 })
 
+minetest.register_chatcommand("date", {
+	func = function(playername, param)
+		local date = weather_mod.print_date()
+		minetest.chat_send_player(playername, date)
+	end
+})
+
 -- Force a weather effect to override environment
 minetest.register_chatcommand("set_weather", {
 	params = "<weather>",

lib/main.lua

@@ -1,5 +1,5 @@
 local GSCYCLE = 0.05
-local RECALCCYCLE = 0
+local RECALCCYCLE = 0.2
 
 weather_mod.weathers = {}
 function weather_mod.register_effect(name, config, override)
@@ -117,6 +117,7 @@ minetest.register_globalstep(function(dtime)
 		if timer >= RECALCCYCLE then
 			weather_mod.set_clouds(player)
 			weather_mod.set_headwind(player)
+			weather_mod.handle_time_progression()
 		end
 	end
 	timer = 0