mesh.h

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#ifndef MESH_H
#define MESH_H

#include "sceneobject.h"

#include <QOpenGLShaderProgram>
#include <QOpenGLShader>
#include <QOpenGLBuffer>
#include <QMatrix4x4>
#include <QVector>

namespace LangmuirView {

class Mesh : public SceneObject
{
    Q_OBJECT
public:
    explicit Mesh(LangmuirViewer &viewer, QObject *parent = 0);

    ~Mesh();

    enum Mode {
        Single      =  1, 
        SingleAlpha =  2, 
        Double      =  3, 
        DoubleAlpha =  4, 
        Shader1     =  5, 
        Shader2     =  6, 
    };
    Q_DECLARE_FLAGS(Modes, Mode)
    Q_FLAGS(Modes)

    const QColor& getColorA() const;

    const QColor& getColorB() const;

    Mode getMode() const;

signals:
    void colorAChanged(QColor color);

    void colorBChanged(QColor color);

    void meshChanged();

    void modeChanged(Mesh::Mode mode);

    void modeChanged(QString mode);

public slots:
    virtual void makeConnections();

    void setColorA(QColor color);

    void setColorB(QColor color);

    void setMesh(const QVector<float> &vertices, const QVector<float>& normals, const QVector<unsigned int> &indices);

    void setMode(Mesh::Mode mode);

    void clear();

    static QString modeToQString(Mode mode);

    static Mode QStringToMode(QString string);

protected:
    virtual void init();

    virtual void draw();

    void initShaders();

    void drawSingle();

    void drawSingleAlpha();

    void drawDouble();

    void drawDoubleAlpha();

    void drawShader1();

    void drawShader2();

    QOpenGLShaderProgram m_shader1;

    QOpenGLShaderProgram m_shader2;

    QOpenGLBuffer *m_verticesVBO;

    QOpenGLBuffer *m_normalsVBO;

    QOpenGLBuffer *m_indexVBO;

    QColor m_colorA;

    QColor m_colorB;

    unsigned int m_numVertices;

    unsigned int m_numIndices;

    Mode m_mode;

    bool m_shader1OK;

    bool m_shader2OK;
};

}

Q_DECLARE_METATYPE(LangmuirView::Mesh::Mode);

#endif // MESH_H