// ===========================================================================
// 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:  2002
//
// Description: See if this object could reasonably be a boat and emit a wake
//				Fluids(i.e. ponds)  and Oceans are not good boat objects
//				If you really need to float a fluid, group it and float the parent.
//	

global proc int isValidBoatObject( string $obj )
{
	// This determines what objects if selected will
	// be given wake and foam emitters.
	// If the selection is not a fluid wake or ocean
	// then it is probably OK to make a boat emitter
	string $type = nodeType( $obj );
	if( $type == "fluid" || $type == "fluidShape" ){
		return( false );
	}

	string $shapes[] = `listRelatives -s $obj`;
	for( $j = 0; $j < size( $shapes); $j++ ){
		$type = nodeType( $shapes[$j] );
		if( $type == "fluid" || $type == "fluidShape" ){
			return( false );
		}
	}

	string $dag[] = `ls -dag $obj`;
	for( $j = 0; $j < size( $dag ); $j++ ){
		if(  match("oceanPlane", $dag[$j]) != "" 
		   ||match("oceanPreviewPlane", $dag[$j]) != "" ){
			// things with these names are probably oceans
			// and would not make good boats.
			return( false );
		}
	}

	return( true );
}