cvExpandCmd.cpp

//-
// ==========================================================================
// Copyright 1995,2006,2008 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.
// ==========================================================================
//+

#include <maya/MSimple.h>
#include <maya/MObject.h>
#include <maya/MGlobal.h>
#include <maya/MItSelectionList.h>
#include <maya/MItSurfaceCV.h>
#include <maya/MSelectionList.h>
#include <maya/MDagPath.h>

#include <maya/MIOStream.h>

DeclareSimpleCommand( cvExpand, PLUGIN_COMPANY, "3.0");

MStatus cvExpand::doIt( const MArgList& args )
{

        MSelectionList list;
        MSelectionList newList;

        // Get the geometry list from what is currently selected in the 
        // model
        //
        MGlobal::getActiveSelectionList( list );

        MDagPath path;
        MObject  component;
 
        // Make expanded Selection List
        //
        for ( MItSelectionList iter( list ); !iter.isDone(); iter.next() ) {
                iter.getDagPath( path, component );
                
                if ( path.hasFn( MFn::kNurbsSurfaceGeom ) && 
                         !component.isNull() ) {
                        for ( MItSurfaceCV cvIter( path, component ); 
                                  !cvIter.isDone(); cvIter.next() ) {
                                newList.add( path, cvIter.cv() );
                        }
                } else {
                        newList.add( path, component );
                }
        }

        // Return expanded selection list as an array of strings
        //
        MStringArray returnArray;
        newList.getSelectionStrings( returnArray );

        MPxCommand::setResult( returnArray );

        return MS::kSuccess;
}

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