//---------------------------------------------------------------------------
// snaps.mel - MEL Script
//---------------------------------------------------------------------------
// Copyright ©2004 Michael B. Comet All Rights Reserved
//
// DESCRIPTION:	
//
// REQUIRES:
//
// AUTHORS:
//	Michael B. Comet - comet@comet-cartoons.com
//	Based on code by Mark Behm
//
//----------------------------------------------------------------------------


/*
 * animSnap() - Does a "safe" snap for stuff that is animated...
 */
global proc animSnap (string $master, string $slave)
{
    // get selection
    string $s[]=`ls -sl`;
    if ($master == "" || $slave == "")
        {
        $master = $s[0] ;
        $slave = $s[1] ;
        }
    
        // dupe slave
    string $d[] = `duplicate -rc -rr $slave`;
    $dupeSlave=$d[0];
        // snap dupeSlave to master
    snap($master, $dupeSlave) ;
	// ndsSnap slave to dupeSlave
    ndsSnap($dupeSlave, $slave) ;
	// delete dupeSlave
    delete $dupeSlave;

    select -r $master $slave ;
}

//----------------------------------------------------------------------------

/*
 * snap() - Main snap that uses constraints
 */
global proc snap(string $master, string $slave)
{
	//get selection		
    string $s[]=`ls -sl`;
	// check inputs
    if ($master=="" || $slave=="")
	{
	$master = $s[0];
	$slave = $s[1];
	}
	
	// constrain
    string $oCons[] = `orientConstraint -w 1 $master $slave` ;
    string $pCons[] = `pointConstraint -w 1 $master $slave` ;
    refresh;

    // delete constraints
    delete $oCons ;
    delete $pCons ;
    
    select -r $master $slave ;
}

//----------------------------------------------------------------------------

/* 
 * ndsSnap() - Snaps but via set attrs.
 */
global proc ndsSnap(string $master, string $slave)
{
	// get selection
    string $s[] = `ls -sl`;

	// check inputs
    if ($master=="" || $slave=="")
	{
	$master = $s[0];
	$slave = $s[1];
	}
	
    if ($master == "" || $slave == "")
        return ;
	
	// snap attributes
    float $xt[] = `getAttr ($master+".translate")`;
    float $xr[] = `getAttr ($master+".rotate")`;
    setAttr ($slave+".translateX") $xt[0];
    setAttr ($slave+".translateY") $xt[1];
    setAttr ($slave+".translateZ") $xt[2];
    setAttr ($slave+".rotateX") $xr[0];
    setAttr ($slave+".rotateY") $xr[1];
    setAttr ($slave+".rotateZ") $xr[2];	

}
	

//----------------------------------------------------------------------------