GetFogAmount

// Gets the fog amount in the area specified. // nFogType = nFogType specifies wether the Sun, or Moon fog type is returned. //   Valid values for nFogType are FOG_TYPE_SUN or FOG_TYPE_MOON. // If no valid area (or object) is specified, it uses the area of caller. // If an object other than an area is specified, will use the area that the object is currently in. int GetFogAmount(int nFogType, object oArea=OBJECT_INVALID)

WARNING: This function is missing from NWN2 and thus any script which is imported that uses it will fail to compile