Separate weathers from engine

ca_weathers/pollen.lua

@@ -0,0 +1,24 @@
+local name = "regional_weather:pollen"
+
+local conditions = {
+	min_height			= regional_weather.settings.min_height,
+	max_height			= regional_weather.settings.max_height,
+	min_heat				= 40,
+	min_humidity		= 30,
+	max_humidity		= 40,
+	max_windspeed		= 2
+}
+
+local effects = {}
+
+effects["climate_api:particles"] = {
+	min_pos = {x=-12, y=-4, z=-12},
+	max_pos = {x= 12, y= 1, z= 12},
+	falling_speed=-0.1,
+	amount=2,
+	exptime=5,
+	size=1,
+	texture="weather_pollen.png"
+}
+
+climate_api.register_weather(name, conditions, effects)