qquick3dlightmapbaker_p.h

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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#ifndef QQUICK3DLIGHTMAPBAKER_P_H
#define QQUICK3DLIGHTMAPBAKER_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtQuick3D/qtquick3dglobal.h>
#include <QtQuick/private/qquickview_p.h>
 
QT_BEGIN_NAMESPACE
 
class QQuick3DViewport;
 
class Q_QUICK3D_EXPORT QQuick3DLightmapBaker : public QObject
{
    Q_OBJECT
public:
    enum class BakingStatus {
        None,
        Progress,
        Warning,
        Error,
        Cancelled,
        Complete
    };
 
    struct BakingControl {
        void reset();
        void requestCancel();
        bool isCancelled() const;
 
    private:
        std::atomic_int cancelFlag = 0;
    };
 
    typedef std::function<void(BakingStatus, std::optional<QString>, BakingControl*)> Callback;
 
    explicit QQuick3DLightmapBaker(QQuick3DViewport *view);
    ~QQuick3DLightmapBaker();
 
    void bake(Callback callback);
    void bake();
 
private slots:
    void onLmCancelButtonClicked();
    void onLmWindowClosing(QQuickCloseEvent *event);
 
private:
    void updateView();
 
    bool m_bakingRequested = false;
    BakingControl *m_bakingControl;
    QQuick3DViewport *m_view = nullptr;
    Callback m_callback;
 
    // For the internal status/control provided by the default impl through DebugView
    QQuickView *m_lmWindow = nullptr;
    bool m_windowCancelRequested = false;
 
    friend class QQuick3DSceneRenderer;
};
 
QT_END_NAMESPACE
 
 
#endif // QQUICK3DLIGHTMAPBAKER_P_H
        ;