SOP/SOP_CaptureData.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:
 *      Edward Lam
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        SOP_CaptureData.h (SOP Library, C++)
 *
 * COMMENTS:    Utility class for dealing with capture atttributes
 */

#ifndef __SOP_CaptureData_h__
#define __SOP_CaptureData_h__

#include "SOP_API.h"
#include <OP/OP_Context.h>
#include <GEO/GEO_Detail.h>
#include <GU/GU_DetailHandle.h>
#include <UT/UT_IntArray.h>
#include <UT/UT_PtrArray.h>
#include <UT/UT_String.h>

class UT_Matrix4;
class UT_Vector3;
class GU_Detail;
class OP_Node;
class SOP_Node;

class SOP_API SOP_CaptureData
{
public:
    SOP_CaptureData();
    virtual ~SOP_CaptureData();

    void    initialize(const OP_Node *node, const GU_Detail *gudp,
                       GEO_Detail::CaptureType t = GEO_Detail::CAPTURE_BONE);
    void    destroy();
    void    dirtyCache();

    bool    updateRegionColors( OP_Context &context );
    bool    updateRegionSOPPaths();

    const UT_PtrArray<const UT_Vector3 *> &
    getRegionColors( OP_Context &context )
    {
        if( myColorsDirtyFlag )
            (void) updateRegionColors( context );
        return myRegionColors;
    }

    const char *
    getRegionPath( int path_index )
    {
        if( myRegionsDirtyFlag )
            (void) updateRegions();
        return myRegionPaths(path_index);
    }
    int
    getNumRegions()
    {
        if( myRegionsDirtyFlag )
            (void) updateRegions();
        return myRegionPaths.entries();
    }

    const char *
    getSOPPath( int path_index )
    {
        if( mySOPPathsDirtyFlag )
            (void) updateRegionSOPPaths();
        return myRegionSOPPaths(path_index);
    }

private:    // methods
    bool                updateRegions();
    GU_DetailHandle     getRegionHandle(UT_String path,
                                        OP_Context &context);
    int                 getRegionPrimNumber(int region_idx,
                                            OP_Context &context);

private:    // data
    int                                  myOpId;
    const GU_Detail                     *myGdp;
    UT_PtrArray<const UT_Vector3 *>      myRegionColors;
    UT_PtrArray<const char *>            myRegionPaths;
    UT_PtrArray<const char *>            myRegionPrims;
    UT_PtrArray<char *>                  myRegionSOPPaths;
    UT_String                            myRegionRootPath;
    bool                                 myColorsDirtyFlag : 1,
                                         myRegionsDirtyFlag : 1,
                                         mySOPPathsDirtyFlag : 1;
    GEO_Detail::CaptureType              myCaptureType;
};

SOP_API bool SOPgetCaptureRegion(SOP_Node *me, char *cregion,
                                 UT_Matrix4 &parent_xform,
                                 GU_DetailHandle &tube_gdh);

SOP_API int SOPaddCaptureRegion(SOP_Node *me,
                                GU_Detail *gdp, const char *root_path,
                                const char *cregion_name,
                                GEO_Detail::CaptureType capture_type);

#endif // __SOP_CaptureData_h__

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