abstractpickingjob_p.h

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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_RENDER_ABSTRACTPICKINGJOB_P_H

#define QT3DRENDER_RENDER_ABSTRACTPICKINGJOB_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <Qt3DCore/qaspectjob.h>

#include <Qt3DRender/private/qray3d_p.h>

#include <Qt3DRender/private/handle_types_p.h>

#include <Qt3DRender/private/qboundingvolumeprovider_p.h>

#include <Qt3DRender/private/qcollisionqueryresult_p.h>

#include <Qt3DRender/private/pickboundingvolumeutils_p.h>

#include <Qt3DRender/private/qt3drender_global_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class QNodeId;

namespace Qt3DRender {

namespace Render {

class Entity;

class Renderer;

class NodeManagers;

class RenderSettings;

class Q_3DRENDERSHARED_PRIVATE_EXPORT AbstractPickingJob : public Qt3DCore::QAspectJob

public:

    AbstractPickingJob();

    void setRoot(Entity *root);

    void setFrameGraphRoot(FrameGraphNode *frameGraphRoot);

    void setRenderSettings(RenderSettings *settings);

    void setManagers(NodeManagers *manager);

    // public for unit tests

    virtual bool runHelper() = 0;

    static RayCasting::QRay3D intersectionRay(const QPoint &pos,

                                              const Matrix4x4 &viewMatrix,

                                              const Matrix4x4 &projectionMatrix,

                                              const QRect &viewport);

protected:

    AbstractPickingJob(Qt3DCore::QAspectJobPrivate &dd);

    void run() final;

    NodeManagers *m_manager;

    Entity *m_node;

    FrameGraphNode *m_frameGraphRoot;

    RenderSettings *m_renderSettings;

    bool m_oneEnabledAtLeast;

    QRect windowViewport(const QSize &area, const QRectF &relativeViewport) const;

    RayCasting::QRay3D rayForViewportAndCamera(const PickingUtils::ViewportCameraAreaDetails &vca,

                                               QObject *eventSource,

                                               const QPoint &pos) const;

};

} // namespace Render

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_ABSTRACTPICKINGJOB_P_H