// ===========================================================================
// 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.
// ===========================================================================
// setLineModifierFillObject
//
// This connects the selected mesh to the selected paint effects line modifier.
// The occupy attract will then attract only to points that are inside this mesh.
// The sense of inside/outside of the mesh is defined by its normals.

global proc setLineModifierFillObject()
{
	int $i;
	string $mesh[] = `ls -sl -dag -type mesh`;
	string $lineMod[] = `ls -sl -dag -type lineModifier`;
	if( size($mesh) == 0 && size( $lineMod ) == 1 ){
		string $input = ($lineMod[0]+".inputMesh");
		string $con = `connectionInfo -sfd $input`;
		if( size( $con ) > 0 ){
			disconnectAttr $con $input; // if only line modifier selected and it has a connection break it
			return;
		}
	}
 	if( size( $mesh )!= 1 || size( $lineMod ) != 1 ){
		string $mess = (uiRes("m_setLineModifierFillObject.kLineModNeedsSelection"));
		warning $mess;
		return;
	}
	if( getAttr( $lineMod[0] + ".occupyAttraction" ) == 0 ){
		setAttr ( $lineMod[0] + ".occupyAttraction" ) 20.0;
		setAttr ( $lineMod[0] + ".widthScale" ) 1.0;
		setAttr ( $lineMod[0] + ".shape" ) 1;
		removeMultiInstance -break true ($lineMod[0] +".dropoff[1]");
	}
	connectAttr -f ($mesh[0]+".worldMesh[0]") ($lineMod[0] + ".inputMesh");

}