#ifndef MAPVIEW_H
#define MAPVIEW_H

#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QBasicTimer>

#include <Indoor/geo/Point3.h>
#include <Indoor/nav/dijkstra/DijkstraPath.h>

#include "elements/Path.h"

namespace Floorplan {
	class IndoorMap;
}

class Renderable;
class Path;


class MapView : public QOpenGLWidget, protected QOpenGLFunctions {

private:

	QMatrix4x4 matProject;
	QMatrix4x4 matView;

	QVector3D lightPos;
	QVector3D eyePos;


	QBasicTimer timer;

	std::vector<Renderable*> elements;
	Path* path;



public:

	MapView(QWidget* parent = 0);

	/** set the map to display */
	void setMap(Floorplan::IndoorMap* map);

	/** the position to look at */
	void setLookAt(const Point3 pos, const Point3 dir = Point3(-1, -1, 0.1));


	/** set the path to disply */
	void setPath(const std::vector<Point3>& path);

	/** set the path to disply */
	template <typename Node> void setPath(const DijkstraPath<Node>& path) {
		this->path->set(path);
	}


protected:

	void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE;

	void initializeGL();

	void paintGL();

	void resizeGL(int width, int height);

private:

	void draw();

};

#endif // MAPVIEW_H