Implement wind

weather/command.lua

@@ -9,7 +9,7 @@ minetest.register_chatcommand("setweather", {
 	description = "Set weather to rain, snow or none", -- full description
 	privs = {weather = true},
 	func = function(name, param)
-		weather = param
+		weather.type = param
 		save_weather()
 	end
 })

weather/init.lua

@@ -1,7 +1,7 @@
 -- Weather:
 -- * rain
 -- * snow
--- * wind (not implemented)
+-- * wind
 
 assert(minetest.add_particlespawner, "I told you to run the latest GitHub!")
 
@@ -11,33 +11,38 @@ end
 
 save_weather = function ()
 	local file = io.open(minetest.get_worldpath().."/weather", "w+")
-	file:write(weather)
+	file:write(minetest.serialize(weather))
 	file:close()
 end
 
 read_weather = function ()
 	local file = io.open(minetest.get_worldpath().."/weather", "r")
-	if not file then return end
-	local readweather = file:read()
+	if not file then return {type = "none", wind = 0} end
+	local readweather = minetest.deserialize(file:read())
 	file:close()
+	if type(readweather)~="table" then
+		return {type = "none", wind = 0}
+	end
 	return readweather
 end
 
 weather = read_weather()
 
 minetest.register_globalstep(function(dtime)
-	if weather == "rain" or weather == "snow" then
+	if weather.type == "rain" or weather.type == "snow" then
 		if math.random(1, 10000) == 1 then
-			weather = "none"
+			weather.type = "none"
 			save_weather()
 		end
 	else
 		if math.random(1, 50000) == 1 then
-			weather = "rain"
+			weather.wind = math.random(0,10)
+			weather.type = "rain"
 			save_weather()
 		end
 		if math.random(1, 50000) == 2 then
-			weather = "snow"
+			weather.wind = math.random(0,10)
+			weather.type = "snow"
 			save_weather()
 		end
 	end

weather/rain.lua

@@ -1,6 +1,6 @@
 -- Rain
 minetest.register_globalstep(function(dtime)
-	if weather ~= "rain" then return end
+	if weather.type ~= "rain" then return end
 	for _, player in ipairs(minetest.get_connected_players()) do
 		local ppos = player:getpos()
 
@@ -10,7 +10,7 @@ minetest.register_globalstep(function(dtime)
 		local minp = addvectors(ppos, {x=-9, y=7, z=-9})
 		local maxp = addvectors(ppos, {x= 9, y=7, z= 9})
 
-		local vel = {x=0, y=   -4, z=0}
+		local vel = {x=math.random()*weather.wind, y=   -4, z=math.random()*weather.wind}
 		local acc = {x=0, y=-9.81, z=0}
 
 		minetest.add_particlespawner({amount=25, time=0.5,

weather/snow.lua

@@ -1,6 +1,6 @@
 -- Snow
 minetest.register_globalstep(function(dtime)
-	if weather ~= "snow" then return end
+	if weather.type ~= "snow" then return end
 	for _, player in ipairs(minetest.get_connected_players()) do
 		local ppos = player:getpos()
 
@@ -13,7 +13,7 @@ minetest.register_globalstep(function(dtime)
 		local minp_deep = addvectors(ppos, {x=-10, y=3.2, z=-10})
 		local maxp_deep = addvectors(ppos, {x= 10, y=2.6, z= 10})
 
-		local vel = {x=0, y=   -0.5, z=0}
+		local vel = {x=math.random()*weather.wind, y=   -0.5, z=math.random()*weather.wind}
 		local acc = {x=0, y=   -0.5, z=0}
 
 		minetest.add_particlespawner(5, 0.5,