support for weathers to change according to pos

mods/ENVIRONMENT/mcl_weather/init.lua

@@ -232,8 +232,10 @@ function mcl_weather.tick()
 		local cdef=mcl_weather.get_weatherdef(mcl_weather.current)
 
 		if cdef.at_pos ~= nil then --switch to defined weather in at_pos conditions
-			if not cdef.at_pos(pos) and cdef.change_at_pos ~= nil then
-				mcl_weather.change_player(name,cdef.change_at_pos)
+			if not cdef.at_pos(pos) and cdef.change_at_pos ~= nil and cdef.change_at_pos(pos) then
+				mcl_weather.change_player(name,cdef.change_at_pos(pos))
+			elseif not cdef.at_pos(pos) then
+				mcl_weather.stop_weather_player(name,cdef)
 			else
 				mcl_weather.change_player(name,mcl_weather.current)
 			end

mods/ENVIRONMENT/mcl_weather/rain.lua

@@ -94,7 +94,12 @@ mcl_weather.register_weather("rain",{
 			return true
 		end
 	end,
-	change_at_pos = "snow"
+	change_at_pos = function(pos)
+		local biome=minetest.get_biome_data(pos)
+		if mcl_worlds.has_weather(pos) and biome.heat < 15 then
+			return "snow"
+		end
+	end
 })
 
 if mcl_weather.allow_abm then

mods/ENVIRONMENT/mcl_weather/snow.lua

@@ -57,18 +57,13 @@ mcl_weather.register_weather("snow",{
 		}
 	},
 	start = function()  end,
-	start_player = function(name)
-    local player=minetest.get_player_by_name(name)
-    if not mcl_weather.snow.at_pos(player:get_pos()) then
-      return true
-    end
-  end,
+	start_player = function(name)end,
 	clear = function() end,
-  at_pos = function(pos)
-		local biome=minetest.get_biome_data(pos)
-		if mcl_worlds.has_weather(pos) and biome.heat < 15 then
-			return true
+  at_pos = function(pos) end,
+  change_at_pos = function(pos)
+    local biome=minetest.get_biome_data(pos)
+		if pos.y > 50 or (mcl_worlds.has_weather(pos) and biome.heat > 15 ) then
+			return "rain"
 		end
-	end,
-  change_at_pos = "rain"
+  end
 })