// ===========================================================================
// 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 truncateUV(int $precision)
{
  string $selectedItems[];
  $selectedItems = `filterExpand -ex true -sm 35`;

  if (size($selectedItems) == 0)
	return;

  float $uv[2], $olduv[2];
  int $pre = `abs $precision`;
  float $fmultip = `pow 10 $pre`;
  float $round = 0.5;

  string $uvStr;

  int $i=0;
  while (size($selectedItems) > $i)
  {
	$uvStr = $selectedItems[$i];

	$cmd = ("polyEditUV -q -u -v " + $uvStr + ";");
	$uv = `eval $cmd`;

	$olduv = $uv;

	// Truncate 10^precision bits
	$uv[0] = ( (int) (($uv[0] * $fmultip) + $round) / $fmultip );
	$uv[1] = ( (int) (($uv[1] * $fmultip) + $round) / $fmultip );

	//print ("old uv = " + $olduv[0] + " " + $olduv[1] + "\n");
	//print ("new uv = " + $uv[0] + " " + $uv[1] + "\n");

	polyEditUV -r off -u $uv[0] -v $uv[1] $uvStr;

	$i++;
  }
}