maxtess.h

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/**********************************************************************
 *<
    FILE: maxtess.h

    DESCRIPTION: Tessellation Approximation class

    CREATED BY: Charles Thaeler

    HISTORY: created 12 Dec 1996
             Updated 12-10-98 Peter Watje to support hidden interior edges

 *> Copyright (c) 1996, All Rights Reserved.
 **********************************************************************/

#pragma once
#include "maxheap.h"
#include <WTypes.h>
#include "maxtypes.h"

// forward declarations
class ILoad;
class ISave;

enum TessType
{
    TESS_SET,       // This is the old MAX form for Bezier Patches
    TESS_ISO,       // This is obsolete and should not be used.
    TESS_PARAM,
    TESS_SPATIAL,
    TESS_CURVE,
    TESS_LDA,
    TESS_REGULAR 
};

enum ViewConfig
{
    ISO_ONLY,
    ISO_AND_MESH,
    MESH_ONLY
};

enum TessSubdivStyle
{
    SUBDIV_TREE,
    SUBDIV_GRID,
    SUBDIV_DELAUNAY
};

class TessApprox: public MaxHeapOperators {
public:
    TessType type;
    ViewConfig vpt_cfg;
    TessSubdivStyle subdiv;
    BOOL view;
    float merge;
    int u, v;
    int u_iso, v_iso;
    float ang, dist, edge;
    int minSub, maxSub, maxTris;

//watje 12-10-98
    BOOL showInteriorFaces;

    UtilExport TessApprox();
    UtilExport TessApprox(TessType type, float distance, float edge, float angle,
                          TessSubdivStyle subdivStyle, int minSub, int maxSub,
                          float m = 0.0f);
    UtilExport TessApprox(const TessApprox &tess);
    UtilExport TessApprox & operator=(const TessApprox& tess);
    UtilExport int operator==(const TessApprox &tess) const;


    UtilExport IOResult Load(ILoad* iload);
    UtilExport IOResult Save(ISave* isave);
};