// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================


global proc int[] blendShapeTargetFromDirectory(string $bsn, int $groupIndex, int $childrenType)
//
//	Description:
//		Get childrens from the given directory.
// 
//  Input: 
//
//  	$childrenType: 0, to get all the targets. 
//
{
	int $result[]; 
	
	if ($groupIndex > 0)
		return $result; 
		
	$tempAttr = $bsn + ".targetDirectory[" + -$groupIndex + "].childIndices";
	int $tempIndices[] = `getAttr $tempAttr`;
	if ($childrenType == 0)
	{
		// get all the targets under this group. 
		
		while (size($tempIndices))
		{
			int $item = $tempIndices[0];
			intArrayRemoveAtIndex(0, $tempIndices);
			
			if ($item >= 0)
			{
				if (!intArrayContains($item, $result))
					$result[size($result)] = $item;
			}
			else 
			{
				$tempAttr = $bsn + ".targetDirectory[" + -$item + "].childIndices";
				int $grandChildren[] = `getAttr $tempAttr`;
				for ($gc in $grandChildren)
				{
					if (!intArrayContains($gc, $tempIndices))
						intArrayInsertAtIndex(size($tempIndices), $tempIndices, $gc); // add $gc to the end.
				}	
			}
		}		
	}
	
	return $result;
}