SOP_Stroke.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.
 *
 * NAME:        SOP Library (C++)
 *
 * COMMENTS:
 *
 */

#ifndef __SOP_Stroke_h__
#define __SOP_Stroke_h__

#include "SOP_API.h"
#include <PRM/PRM_Include.h>
#include <PRM/PRM_Shared.h>
#include <PRM/PRM_Name.h>
#include "SOP_Node.h"

class SOP_API SOP_Stroke : public SOP_Node
{
public:
    struct StrokePoint
    {
        StrokePoint()
        {
            pos = dir = projpos = projuv = 0;
            projprim = -1;
            pressure = 1;
            time = 0;
            tilt = angle = roll = 0;
        }
        UT_Vector3      pos, dir;               // Camera location of source
        UT_Vector3      projpos;                // What the state projected to
        int             projprim;               // Where it projected
        UT_Vector3      projuv;                 // Where it projected
        bool            projsuccess;            // Did it hit?
        float           pressure;               // 0..1
        float           time;                   // In seconds since stroke start
        float           tilt, angle, roll;      // In Degrees
    };

    class StrokeMetaData
    {
    public:
        UT_StringHolder         parmname;
        UT_StringHolder         type;
        int                     tuplesize;
        UT_StringHolder         value;

        template <typename ARCHIVER_T>
        bool                    serialize(ARCHIVER_T &archiver);
    };

             SOP_Stroke(OP_Network *net, const char *name, OP_Operator *entry);
            ~SOP_Stroke() override;

    bool                updateParmsFlags() override;

    static bool         encodeStroke(UT_String &encoding, const UT_Array<StrokePoint> &pts);
    static bool         decodeStroke(UT_Array<StrokePoint> &pts, const char *encoding);

    static bool         encodeStrokeMeta(UT_String &encoding, const UT_Array<StrokeMetaData> &meta);
    static bool         decodeStrokeMeta(UT_Array<StrokeMetaData> &meta, const char *encoding);

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

    int                  isRefInput(unsigned i) const override;
    static PRM_Template  myTemplateList[];

    int                  NUMSTROKES(fpreal t) const
    { return evalInt("stroke_numstrokes", 0, t); }
protected:
    OP_ERROR             cookMySop(OP_Context &context) override;
    const char          *inputLabel(unsigned idx) const override;

private:
};

#endif