don't rain when indoors

mods/ENVIRONMENT/mcl_weather/rain.lua

@@ -87,19 +87,21 @@ mcl_weather.rain.add_rain_particlespawner = function(name)
 		end
 	end
 
-    minetest.add_particlespawner({
-        amount = mcl_weather.rain.particles_count,
-        time=1,
-        minpos = minp, maxpos = maxp,
-        minvel = vel, maxvel = vel,
-        minacc = acc, maxacc = acc,
-        minexptime = exp, maxexptime = exp,
-        minsize = size, maxsize= size,
-        collisiondetection = true, collision_removal = true,
-        vertical = true,
-        texture = texture,
-        playername = player:get_player_name()
-    })
+	if mcl_weather.is_outdoor(player:get_pos()) then
+		minetest.add_particlespawner({
+			amount = math.random(mcl_weather.rain.particles_count-100,mcl_weather.rain.particles_count+100),
+			time=1,
+			minpos = minp, maxpos = maxp,
+			minvel = vel, maxvel = vel,
+			minacc = acc, maxacc = acc,
+			minexptime = exp, maxexptime = exp,
+			minsize = size, maxsize= size,
+			collisiondetection = true, collision_removal = true,
+			vertical = true,
+			texture = texture,
+			playername = player:get_player_name()
+		})
+	end
    mcl_weather.rain.init_done = true
 end