qgsgoochmaterial.h

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/***************************************************************************
  qgsgoochmaterial.h
  --------------------------------------
  Date                 : April 2026
  Copyright            : (C) 2026 by Dominik Cindrić
  Email                : viper dot miniq at gmail 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 QGSGOOCHMATERIAL_H
#define QGSGOOCHMATERIAL_H
 
#include "qgis.h"
#include "qgis_3d.h"
#include "qgsmaterial.h"
 
#include <QColor>
#include <QObject>
 
#define SIP_NO_FILE
 
namespace Qt3DRender
{
  class QParameter;
  class QShaderProgram;
} // namespace Qt3DRender


class _3D_EXPORT QgsGoochMaterial : public QgsMaterial
{
    Q_OBJECT
 
  public:
    explicit QgsGoochMaterial( Qt3DCore::QNode *parent = nullptr );
    ~QgsGoochMaterial() override;

    void setInstancingEnabled( bool enabled, Qgis::InstancedMaterialFlags flags );
 
  public slots:
    void setDiffuse( const QColor &diffuse );
    void setSpecular( const QColor &specular );
    void setWarm( const QColor &warm );
    void setCool( const QColor &cool );
    void setShininess( float shininess );
    void setAlpha( float alpha );
    void setBeta( float beta );

    void setDataDefinedEnabled( bool enabled );
 
  private:
    void init();
    void updateShaders();
 
    Qt3DRender::QParameter *mDiffuseParameter = nullptr;
    Qt3DRender::QParameter *mSpecularParameter = nullptr;
    Qt3DRender::QParameter *mWarmParameter = nullptr;
    Qt3DRender::QParameter *mCoolParameter = nullptr;
    Qt3DRender::QParameter *mShininessParameter = nullptr;
    Qt3DRender::QParameter *mAlphaParameter = nullptr;
    Qt3DRender::QParameter *mBetaParameter = nullptr;
    Qt3DRender::QShaderProgram *mShaderProgram = nullptr;
    bool mDataDefinedEnabled = false;
    bool mInstanced = false;
    Qgis::InstancedMaterialFlags mInstanceFlags;
};

 
#endif // QGSGOOCHMATERIAL_H