SOP/SOP_Visibility.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Luke Moore
 *      Side Effects Software Inc.
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        SOP Library (C++)
 *
 * COMMENTS:
 *      Hides and exposes geometry by adding to/removing from a primitive
 *      group.
 */

#ifndef __SOP_Visibility_h__
#define __SOP_Visibility_h__

#include "SOP_API.h"
#include "SOP_Node.h"

// Constants for parameter indices:
#define SOP_VISIBILITY_GROUP_INDEX              0
#define SOP_VISIBILITY_HIDE_OR_EXPOSE_INDEX     1
#define SOP_VISIBILITY_SEL_OR_NONSEL_INDEX      2
#define SOP_VISIBILITY_3D_OR_2D_INDEX           3
#define SOP_VISIBILITY_CUMULATIVE               4

class SOP_API SOP_Visibility : public SOP_Node
{
public:
             SOP_Visibility(OP_Network *net, const char *name, 
                            OP_Operator *entry);
    virtual ~SOP_Visibility();

    // These enumerated types are public so users can get or set
    // parameters.
    enum { HIDE, EXPOSE };
    enum { SELECTED, NON_SELECTED };
    enum { THREE_D, TWO_D, TWO_D_AND_THREE_D };

    virtual OP_ERROR     cookInputGroups(OP_Context &context, 
                                         int alone = 0);

    static OP_Node      *myConstructor(OP_Network *net, 
                                       const char *name, 
                                       OP_Operator *entry);

    static PRM_Template  myTemplateList[];

protected:
    virtual OP_ERROR     cookMySop(OP_Context &context);
    virtual const char  *inputLabel(unsigned idx) const;

    void                 performVisibility(int visibility_type);

private:
    void         getGroups(UT_String &str, float t) 
                { evalString(str, SOP_VISIBILITY_GROUP_INDEX, 0, t); }
    int          HIDE_OR_EXPOSE()
                { return evalInt(SOP_VISIBILITY_HIDE_OR_EXPOSE_INDEX, 0, 0); }
    int          SEL_OR_NONSEL()
                { return evalInt(SOP_VISIBILITY_SEL_OR_NONSEL_INDEX, 0, 0); }
    int          THREE_D_OR_TWO_D()
                { return evalInt(SOP_VISIBILITY_3D_OR_2D_INDEX, 0, 0); }
    int          CUMULATIVE()
                { return evalInt(SOP_VISIBILITY_CUMULATIVE, 0, 0); }

    GU_DetailGroupPair           myDetailGroupPair;
    GB_PrimitiveGroup           *myGroup;
};

#endif

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