#ifndef QSCENERENDERER_H
#define QSCENERENDERER_H

#include <cmath>
#include <qopenglwidget.h>
#include <QOpenGLFunctions_4_0_Core>
#include "terrain.h"
#include "tile.h"
#include <QMouseEvent>
#include <vector>
#include "matrix2d.h"


class QSceneRenderer : public  QOpenGLWidget
{
public:
    QSceneRenderer(QWidget* parent = Q_NULLPTR) ;
    inline Matrix2D<TerrainPoint> * getMapPoints() {return m_point;}
    inline int getNumPointsWidth()  const {return m_numPointsWidth;}
    inline int getNumPointsHeight() const {return m_numPointsHeight;}
    inline int getNumPoints05() const {return m_numPoints05;}

    Tile * getTile(int x, int y);
protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void keyPressEvent(QKeyEvent * e);
    void wheelEvent(QWheelEvent * e);
    void initializeGL();
    void resizeGL(int w, int h);
    void paintGL();

    float m_camera_x =10.0;
    float  m_camera_y=0.0;
    QMatrix4x4 Projection;
    QMatrix4x4 cameraTransformation;
    QVector3D cameraPosition;
    QVector3D cameraUpDirection;


    Matrix2D<TerrainPoint> * m_point;
    Matrix2D<Tile> * tiles;
    QPoint lastPos;
    float zRot=0;
    float m_numPointsWidth;
    float m_numPointsHeight;
    int m_numPoints05;
    float m_zoom;
};

#endif // QSCENERENDERER_H