Name: query_light_class - get the light class from a room

Syntax:
	#include <room2.h>
	int query_light_class()

Description:
	The query_light_class call gets the light class from a room, set with
	set_weather. 

Return value:
	Possible return values are defined in /include/room_defines.h and are
	described in the set_weather manual.

Examples:
	int class;
	class=query_light_class(); 

See also: room/set_weather