Added seasons

mods/seasons/depends.txt

@@ -0,0 +1 @@
+default

mods/seasons/init.lua

@@ -0,0 +1,52 @@
+DAY_LENGTH_TIME = 36000
+
+realtest.get_day = function()
+	local f = io.open(minetest.get_worldpath()..'/seasons.season', "r")
+	local s = 1
+	if f ~= nil then
+		s = f:read("*n")
+		io.close(f)
+	end
+	return s
+end
+realtest.set_day = function(t)
+	local f = io.open(minetest.get_worldpath()..'/seasons.season', "w")
+	f:write(t)
+	io.close(f)
+end
+
+realtest.get_season = function()
+	local day = realtest.get_day()
+	if day > 0 then if day < 91 then return "spring" end end
+	if day > 90 then if day < 181 then return "summer" end end
+	if day > 181 then if day < 241 then return "autumn" end end
+	if day > 240 then if day < 361 then return "winter" end end
+	return "error"
+end
+
+add_day = function()
+	realtest.set_day(realtest.get_day()+1)
+	minetest.after(DAY_LENGTH_TIME,add_day)
+end
+
+minetest.after(DAY_LENGTH_TIME,add_day)
+
+minetest.register_chatcommand("calendar", {
+	params = "<>",
+	description = "get the calendar",
+	privs = {server=true},
+	func = function(name, param)
+		minetest.chat_send_player(name, "Day: "..realtest.get_day())
+		minetest.chat_send_player(name, "Season: "..realtest.get_season())
+	end,
+})
+
+minetest.register_chatcommand("setday", {
+	params = "<day>",
+	description = "set the day",
+	privs = {server=true},
+	func = function(name, param)
+		realtest.set_day(param)
+		minetest.chat_send_player(name, "Day changed to "..param)
+	end,
+})