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** Copyright (C) 2019 The Qt Company Ltd.
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** This file is part of Qt Creator.
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#pragma once

#ifdef QUICK3D_MODULE

#include <QtQuick3D/private/qquick3dgeometry_p.h>

namespace QmlDesigner {
namespace Internal {

class GridGeometry : public QQuick3DGeometry
{
    Q_OBJECT

    Q_PROPERTY(int lines READ lines WRITE setLines NOTIFY linesChanged)
    Q_PROPERTY(float step READ step WRITE setStep NOTIFY stepChanged)
    Q_PROPERTY(bool isCenterLine READ isCenterLine WRITE setIsCenterLine NOTIFY isCenterLineChanged)
    Q_PROPERTY(bool isSubdivision MEMBER m_isSubdivision)

public:
    GridGeometry();
    ~GridGeometry() override;

    int lines() const;
    float step() const;
    bool isCenterLine() const;

public Q_SLOTS:
    void setLines(int count);
    void setStep(float step);
    void setIsCenterLine(bool enabled);

Q_SIGNALS:
    void linesChanged();
    void stepChanged();
    void isCenterLineChanged();

protected:
    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

private:
    void fillVertexData(QByteArray &vertexData);

    int m_lines = 20; // number of lines on 1 side of an axis (so total number of grid lines in 1 direction = 2 * m_lines + 1)
    float m_step = .1f;
    bool m_isCenterLine = false;
    bool m_isSubdivision = false;
};

}
}

QML_DECLARE_TYPE(QmlDesigner::Internal::GridGeometry)

#endif // QUICK3D_MODULE