add simple weather particlespawner manager

mods/ENVIRONMENT/mcl_weather/weather_core.lua

@@ -47,6 +47,29 @@ local function save_weather()
 end
 minetest.register_on_shutdown(save_weather)
 
+local particlespawners={}
+function mcl_weather.add_spawner_player(pl,id,ps)
+	local name=pl:get_player_name()
+	if not particlespawners[name] then
+		particlespawners[name] = {}
+	end
+	if not particlespawners[name][id] then
+		ps.playername =name
+		ps.attached = pl
+		particlespawners[name][id]=minetest.add_particlespawner(ps)
+		return particlespawners[name][id]
+	end
+end
+function mcl_weather.remove_spawners_player(pl)
+	local name=pl:get_player_name()
+	if not particlespawners[name] then return end
+	for k,v in pairs(particlespawners[name]) do
+		minetest.delete_particlespawner(v)
+	end
+	particlespawners[name] = nil
+	return true
+end
+
 function mcl_weather.get_rand_end_time(min_duration, max_duration)
 	local r
 	if min_duration and max_duration then