shapeMultipatch.h

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/*********************************************************************
** Copyright (c) 2025 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/

#ifndef SHAPEMULTIPATCH_H
#define SHAPEMULTIPATCH_H

#include "shape/shapeDefines.h"
#include <stdio.h>
#include "shape/shapeElement.h" 
#include "gdb/specificationManager.h"

class DtShapePointZ;
class DtShapePoint;
class DtShapeReader;
class DtShapeVectorReader;
class DtGroup;

// class DtShapeMultipatch:
//

enum DtShapeMultipatchPartType
{
   SHAPEMULTIPATCH_STRIP,
   SHAPEMULTIPATCH_FAN,
   SHAPEMULTIPATCH_OUTER,   
   SHAPEMULTIPATCH_INNER,
   SHAPEMULTIPATCH_FIRST,
   SHAPEMULTIPATCH_RING
};

class DT_DLL_shape DtShapeMultipatch : public DtShapeElement
{

public:

   // default constructor.
   DtShapeMultipatch(double elevationFactor);

   // destructor
   virtual ~DtShapeMultipatch() override;

   virtual bool          load(FILE *f, bool loadMeasures = true,
                     const DtShapeProjection *projection = NULL) override;
   virtual DtShapePoint *point(int i) override;
   virtual DtInt32       numPoints() override;
   virtual DtInt32       numPoints(int part);
   virtual DtInt32       numParts();
   virtual DtInt32       initialVertex(int part);
   virtual DtInt32       partType(int part);
   virtual void          setElevation(double elev) override;
   virtual void          calculateMaxMins(double &myMaxHigh, double &myMinHigh) override;

   virtual DtGroup *import(DtShapeReader *reader) override;

   virtual bool          importAsFeature(DtShapeVectorReader *reader,
                                DtSpecificationID specID,
                                DtSpecification &specification) override;

protected:

   virtual DtGroup*   importStrip(DtShapeReader* reader, int part);
   virtual DtGroup*   importFan(DtShapeReader* reader, int part);
   virtual DtGroup*   importPoly(DtShapeReader* reader, int part);

   DtNetFloat64   myBoundingBox[4];
   DtNetInt32     myNumParts;
   DtNetInt32     myNumPoints;
   DtNetInt32*    myParts;
   DtNetInt32*    myPartTypes;
   DtNetFloat64   myMinMax[2];
   DtShapePointZ* myPointZs;
   DtNetFloat64   myZRange[2];

};

#endif