// ===========================================================================
// 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.
// ===========================================================================
//
//
//  Creation Date:  17 Sept 97
//
//
//  Procedure Name:
//      performPolyMergeUV
//
//  Description:
//        Merge the selected polygon vertices
//         
//  Input Arguments:
//        $option : Whether to set the options to default values.
//  Return Value:
//        command string iff $option==2
//

proc setOptionVars (int $forceFactorySettings)
{			   
//     if ($forceFactorySettings || !`optionVar -exists polyMergeUVDistance`)
//		optionVar -floatValue polyMergeUVUseDistance 0;
     if ($forceFactorySettings || !`optionVar -exists polyMergeUVDistance`)
		optionVar -floatValue polyMergeUVDistance 0.01;
}

global proc performPolyMergeUVSetup (string $parent, int $forceFactorySettings)
{
	setOptionVars($forceFactorySettings);
	setParent $parent;
	
	int $ival = 1;
//	int $ival = `optionVar -query polyMergeUVUseDistance`;
//	checkBoxGrp -edit -value1 $ival polyMergeUVUseDistance;

	float $fval = `optionVar -query polyMergeUVDistance`;
	floatSliderGrp -edit -en $ival -value $fval polyMergeUVDistance;
}

global proc performPolyMergeUVCallback (string $parent, int $doIt)
{
	setParent $parent;
	
	optionVar -floatValue polyMergeUVDistance
		`floatSliderGrp -query -value polyMergeUVDistance`;
//	optionVar -intValue polyMergeUVUseDistance
//		`checkBoxGrp -query -value1 polyMergeUVUseDistance`;

	if ($doIt) {
		performPolyMergeUV 0;
		addToRecentCommandQueue "performPolyMergeUV 0" "PolyMergeUV";
	}
}

proc polyMergeUVOptions ()
{
	// Global template variables for form spacing
	global int $gOptionBoxTemplateFrameSpacing;
	
	string $commandName = "performPolyMergeUV";
	string $callback = ($commandName + "Callback");
	string $setup = ($commandName + "Setup");

	string $layout = getOptionBox();
	setParent $layout;
	setUITemplate -pushTemplate OptionBoxTemplate;
	waitCursor -state 1;
	
	// Form layout
	string $parent = `formLayout polyMergeUVOptions`;

		// Settings frame
		string $settingsFrame = 
		`frameLayout -label (uiRes("m_performPolyMergeUV.kSettingsFrame"))`;
	
			columnLayout;

//	string $grayCmd = 
//		"{ int $tmp = `checkBoxGrp -q -v1 polyMergeUVUseDistance`;" +
//		"  floatSliderGrp -e -en $tmp polyMergeUVDistance;}";

//    checkBoxGrp -label1 "Use Distance Tolerance" -cc $grayCmd polyMergeUVUseDistance;
	
				floatSliderGrp -label (uiRes("m_performPolyMergeUV.kPolyMergeUVsThreshold")) -min 0 -max 1 -fmx 10000000 polyMergeUVDistance;
	
			setParent ..; // columnLayout
				
		setParent $parent; // frameLayout	
		
	setParent ..; // formLayout

	// Attach Settings frame to form layout
	formLayout -e
		-af $settingsFrame "top" $gOptionBoxTemplateFrameSpacing
		-af $settingsFrame "left" $gOptionBoxTemplateFrameSpacing
		-af $settingsFrame "right" $gOptionBoxTemplateFrameSpacing
		-an $settingsFrame "bottom"
	$parent;
	
	waitCursor -state 0;
	setUITemplate -popTemplate;
	   
	string $applyBtn = getOptionBoxApplyBtn();
	button -edit -label (uiRes("m_performPolyMergeUV.kMergeUVs"))
	       -command ($callback + " " + $parent + " " + 1)
		$applyBtn;
	string $saveBtn = getOptionBoxSaveBtn();
	button -edit 
		-command ($callback + " " + $parent + " " + 0 + "; hideOptionBox")
		$saveBtn;
	string $resetBtn = getOptionBoxResetBtn();
	button -edit 
		-command ($setup + " " + $parent + " " + 1)
		$resetBtn;

	setOptionBoxTitle (uiRes("m_performPolyMergeUV.kMergeUVsOptions"));

	setOptionBoxHelpTag( "MergeUVs" );

	eval (($setup + " " + $parent + " " + 0));      
	showOptionBox();
}

global proc string performPolyMergeUV (int $option)
{
	source setComponentMask.mel;

	string $cmd="";
	string $sel[];
	switch ($option) 
	{
		case 0:
		string $selection[] = `ls -sl`;
		string $compSelType = `getComponentMask`;

		if ($compSelType == "polymeshUV")
			$selection = `polyListComponentConversion -tvf`;

		setOptionVars(false);
		int $ival = 1;
//		int $ival = `optionVar -query polyMergeUVUseDistance`;
		$cmd = "polyMergeUV";
		if ($ival)
		{
			float $fval = `optionVar -query polyMergeUVDistance`;
			$cmd =($cmd + " -d " + $fval);
		}
		evalEcho ("polyPerformAction \""+$cmd+"\" v 0");

		if ($compSelType != "polymeshUV")
			//select the original selection
			select -replace $selection;
		else
		{
			$sel = `polyListComponentConversion -tuv $selection`;
			select -r $sel;
		}

		break;

		case 1: polyMergeUVOptions; break;
		case 2: $cmd = "performPolyMergeUV 0"; break;
	}
	return $cmd;
}