rain function

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; This function is designed to see if it is raining or not
;
; If it is raining, the actor (player) is assigned an infoportion "its_raining"
; If it isn't raining, the actor (player) loses the infoportion
;
; The infoportion has been defined in config\gameplay\info_l01_escape.xml
; <info_portion id="its_raining"></info_portion>
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function weather_class(avail_types, npc)
	local type = "weather_good"
	if level.rain_factor() < 0.07 then
		type = "weather_good"
		db.actor:disable_info_portion("its_raining") -- added by Daemonion for LURK 1.2
	else
		type = "weather_bad"
		db.actor:give_info_portion("its_raining") -- added by Daemonion for LURK 1.2
	end
	return type
end