qscene_p.h - mozsearch

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// Copyright (C) 2014 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 QT3DCORE_QSCENE_P_H

#define QT3DCORE_QSCENE_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 <QtCore/QScopedPointer>

#include <Qt3DCore/qnode.h>

#include <Qt3DCore/private/qabstractfrontendnodemanager_p.h>

#include <QtCore/qscopedpointer.h>

#include <Qt3DCore/private/qt3dcore_global_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class QScenePrivate;

class QAspectEngine;

class NodePostConstructorInit;

class QChangeArbiter;

class Q_3DCORE_PRIVATE_EXPORT QScene : public QAbstractFrontEndNodeManager

public:

    // Changes made to backend nodes are reported to the Renderer

    enum DirtyNodeFlag {

        TransformDirty      = 1 << 0,

        GeometryDirty       = 1 << 1,

        EntityEnabledDirty  = 1 << 2,

        BuffersDirty        = 1 << 3,

        AllDirty            = 0xffffff

};

    Q_DECLARE_FLAGS(DirtyNodeSet, DirtyNodeFlag)

    QScene(QAspectEngine *engine = nullptr);

    ~QScene();

    QAspectEngine *engine() const;

    void addObservable(QNode *observable);

    void removeObservable(QNode *observable);

    QNode *lookupNode(QNodeId id) const override;

    QList<QNode *> lookupNodes(const QList<QNodeId> &ids) const override;

    QNode *rootNode() const;

    void setArbiter(QChangeArbiter *arbiter);

    QChangeArbiter *arbiter() const;

    // Component -> Entities

    QList<QNodeId> entitiesForComponent(QNodeId id) const;

    void addEntityForComponent(QNodeId componentUuid, QNodeId entityUuid);

    void removeEntityForComponent(QNodeId componentUuid, QNodeId entityUuid);

    bool hasEntityForComponent(QNodeId componentUuid, QNodeId entityUuid);

    NodePostConstructorInit* postConstructorInit() const;

    void markDirty(DirtyNodeSet changes);

    DirtyNodeSet dirtyBits();

    void clearDirtyBits();

private:

    Q_DECLARE_PRIVATE(QScene)

    QScopedPointer<QScenePrivate> d_ptr;

    void setRootNode(QNode *root);

    friend class QAspectEnginePrivate;

};

} // Qt3D

QT_END_NAMESPACE

Q_DECLARE_METATYPE(Qt3DCore::QScene*) // LCOV_EXCL_LINE

#endif // QT3DCORE_QSCENE_P_H