Add pollen effect

init.lua

@@ -53,3 +53,4 @@ dofile(weather_mod.modpath.."/weathers/snow_heavy.lua")
 dofile(weather_mod.modpath.."/weathers/storm.lua")
 dofile(weather_mod.modpath.."/weathers/sandstorm.lua")
 dofile(weather_mod.modpath.."/weathers/hail.lua")
+dofile(weather_mod.modpath.."/weathers/pollen.lua")

weathers/pollen.lua

@@ -0,0 +1,26 @@
+local name = weather_mod.modname .. ":pollen"
+
+local config = {}
+
+config.environment = {}
+
+config.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"
+}
+
+config.conditions = {
+	min_height = weather_mod.settings.min_height,
+	max_height = weather_mod.settings.max_height,
+	min_heat				= 40,
+	min_humidity		= 30,
+	max_humidity		= 40,
+	max_windspeed		= 2
+}
+
+weather_mod.register_effect(name, config)