meshOpFty.h

#ifndef _meshOpFty
#define _meshOpFty

//-
// ==========================================================================
// 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.
// ==========================================================================
//+

//
// ***************************************************************************
//
// Overview:
//
//              The meshOp factory implements the actual meshOperation operation. 
//              It takes in three parameters:
//
//                      1) A polygonal mesh
//                      2) An array of component IDs
//          3) A mesh operation identifier
//
// Please refer to MFnMeshOperations to get more information on the different 
// mesh operations.
//

#include "polyModifierFty.h"

// General Includes
//
#include <maya/MObject.h>
#include <maya/MIntArray.h>
#include <maya/MString.h>

class MFnMesh;

enum MeshOperation
{
        kSubdivideEdges = 0,
        kSubdivideFaces = 1,
        kExtrudeEdges = 2,
        kExtrudeFaces = 3,
        kCollapseEdges = 4,
        kCollapseFaces = 5,
        kDuplicateFaces = 6,
        kExtractFaces = 7,
        kSplitLightning = 8,
        
        // Number of valid operations
        kMeshOperationCount = 9
};

class meshOpFty : public polyModifierFty
{

public:
                                meshOpFty();
        virtual         ~meshOpFty();

        // Modifiers
        //
        void            setMesh( MObject& mesh );
        void            setComponentList( MObject& componentList );
        void            setComponentIDs( MIntArray& componentIDs );
        void            setMeshOperation( MeshOperation operationType );

        // Returns the type of component expected by a given mesh operation
        //
        static MFn::Type getExpectedComponentType( MeshOperation operationType );

        // polyModifierFty inherited methods
        //
        MStatus         doIt();

private:
        // Mesh Node - Note: We only make use of this MObject during a single 
        //                                       call of the meshOperation plugin. It is never 
        //                                       maintained and used between calls to the plugin as 
        //                                       the MObject handle could be invalidated between 
        //                   calls to the plugin.
        //
        MObject         fMesh;

        // Selected Components and Operation to execute
        //
        MIntArray               fComponentIDs;
        MeshOperation   fOperationType;
        MObject                 fComponentList;

        MStatus doLightningSplit(MFnMesh& meshFn);
};

#endif

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