qgsabstractfeaturebasedchunkedentity.h

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/***************************************************************************
  qgsabstractfeaturebasedchunkedentity.h
  --------------------------------------
  Date                 : March 2026
  Copyright            : (C) 2026 by Jean Felder
  Email                : jean dot felder at oslandia dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSABSTRACTFEATUREBASEDCHUNKEDENTITY_H
#define QGSABSTRACTFEATUREBASEDCHUNKEDENTITY_H
 
#include "qgis_3d.h"
 
#define SIP_NO_FILE

 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the QGIS API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
 
#include "qgschunkedentity.h"
 
namespace Qt3DCore
{
  class QTransform;
}

class _3D_EXPORT QgsAbstractFeatureBasedChunkedEntity : public QgsChunkedEntity
{
    Q_OBJECT
 
  public:
    QgsAbstractFeatureBasedChunkedEntity(
      Qgs3DMapSettings *mapSettings, float tau, QgsChunkLoader *loader, bool ownsLoader, int primitivesBudget = std::numeric_limits<int>::max(), Qt3DCore::QNode *parent = nullptr
    );
 
    QList<QgsRayCastHit> rayIntersection( const QgsRay3D &ray, const QgsRayCastContext &context ) const override;
 
  protected slots:
    void onTerrainElevationOffsetChanged();
 
  private:
    virtual bool applyTerrainOffset() const = 0;

    QList<QgsRayCastHit> rayIntersection( const QList<QgsChunkNode *> &activeNodes, const QMatrix4x4 &transformMatrix, const QgsRay3D &ray, const QgsRayCastContext &context, const QgsVector3D &origin ) const;
 
  private:
    Qt3DCore::QTransform *mTransform = nullptr;
};

 
#endif // QGSABSTRACTFEATUREBASEDCHUNKEDENTITY_H