GetFirstSubArea

//RWT-OEI 04/17/08 //Given an area ID and a position in that area, returns the first sub-area that is found at that position. //SubAreas are triggers, AoEEffectObjects, and Encounters. //Use with GetNextSubArea to iterate over all the sub-areas at this position. // oArea = The area to search // vPosition = The position to evaluate for sub areas. object GetFirstSubArea( object oArea, vector vPosition );