// ===========================================================================
// 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.
// ===========================================================================
 
// Find the 0-based index on the blendShape.
// Returns -1 if it cannot find the index.
//
global proc int blendShapeTargetIndexFromName(string $blendShape, string $weightName)
{    
	string $attr = $blendShape + ".w";
	int $validWeightIndices[] = `getAttr -multiIndices $attr`;
	
	for ($item in $validWeightIndices)
	{
		string $itemAttr = $attr + "[" + $item + "]";
		string $aliasName = `aliasAttr -q $itemAttr`;
		
		if ($aliasName == $weightName)
			return $item;
	}
	
	return -1;
}