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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++
++ #ifndef QQUICK3DRESOURCELOADER_H
++ #define QQUICK3DRESOURCELOADER_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/private/qquick3dnode_p.h>
++ #include <QtQuick3D/private/qquick3dgeometry_p.h>
++ #include <QtQuick3D/private/qquick3dtexture_p.h>
++ #include <QtQml/QQmlListProperty>
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_QUICK3D_EXPORT QQuick3DResourceLoader : public QQuick3DObject
++ {
++ Q_OBJECT
++ Q_PROPERTY(QList<QUrl> meshSources READ meshSources WRITE setMeshSources NOTIFY meshSourcesChanged)
++ Q_PROPERTY(QQmlListProperty<QQuick3DTexture> textures READ textures)
++ Q_PROPERTY(QQmlListProperty<QQuick3DGeometry> geometries READ geometries)
++ QML_NAMED_ELEMENT(ResourceLoader)
++ QML_ADDED_IN_VERSION(6, 3)
++ public:
++ QQuick3DResourceLoader(QQuick3DObject *parent = nullptr);
++
++ const QList<QUrl> &meshSources() const;
++ void setMeshSources(const QList<QUrl> &newMeshSources);
++ QQmlListProperty<QQuick3DGeometry> geometries();
++ QQmlListProperty<QQuick3DTexture> textures();
++ Q_SIGNALS:
++ void meshSourcesChanged();
++
++ private Q_SLOTS:
++ void onGeometryDestroyed(QObject *object);
++ void onTextureDestroyed(QObject *object);
++ protected:
++ QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
++ void markAllDirty() override;
++ void itemChange(ItemChange change, const ItemChangeData &value) override;
++
++ private:
++ static void qmlAppendGeometry(QQmlListProperty<QQuick3DGeometry> *list, QQuick3DGeometry *geometry);
++ static QQuick3DGeometry *qmlGeometryAt(QQmlListProperty<QQuick3DGeometry> *list, qsizetype index);
++ static qsizetype qmlGeometriesCount(QQmlListProperty<QQuick3DGeometry> *list);
++ static void qmlClearGeometries(QQmlListProperty<QQuick3DGeometry> *list);
++
++ static void qmlAppendTexture(QQmlListProperty<QQuick3DTexture> *list, QQuick3DTexture *texture);
++ static QQuick3DTexture *qmlTextureAt(QQmlListProperty<QQuick3DTexture> *list, qsizetype index);
++ static qsizetype qmlTexturesCount(QQmlListProperty<QQuick3DTexture> *list);
++ static void qmlClearTextures(QQmlListProperty<QQuick3DTexture> *list);
++
++ enum ResourceLoaderDirtyType {
++ MeshesDirty = 0x00000001,
++ TexturesDirty = 0x00000002,
++ GeometriesDirty = 0x00000004
++ };
++
++
++ quint32 m_dirtyAttributes = 0xffffffff; // all dirty by default
++ void markDirty(ResourceLoaderDirtyType type);
++ void updateSceneManager(QQuick3DSceneManager *sceneManager);
++
++ QList<QUrl> m_meshSources;
++ QList<QQuick3DGeometry *> m_geometries;
++ QList<QQuick3DTexture *> m_textures;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QQUICK3DRESOURCELOADER_H