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++ // Copyright (C) 2022 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++ #ifndef QSSGSKIN_H
++ #define QSSGSKIN_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/qquick3dobject.h>
++ #include <QtQuick3D/private/qquick3dnode_p.h>
++ #include <QtCore/qlist.h>
++ #include <QtCore/qhash.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_QUICK3D_EXPORT QQuick3DSkin : public QQuick3DObject
++ {
++ Q_OBJECT
++ Q_PROPERTY(QQmlListProperty<QQuick3DNode> joints READ joints)
++ Q_PROPERTY(QList<QMatrix4x4> inverseBindPoses READ inverseBindPoses WRITE setInverseBindPoses NOTIFY inverseBindPosesChanged)
++
++ QML_NAMED_ELEMENT(Skin)
++
++ public:
++ explicit QQuick3DSkin(QQuick3DObject *parent = nullptr);
++ ~QQuick3DSkin() override;
++
++ QQmlListProperty<QQuick3DNode> joints();
++ QList<QMatrix4x4> inverseBindPoses() const;
++
++ public Q_SLOTS:
++ void setInverseBindPoses(const QList<QMatrix4x4> &poses);
++
++ Q_SIGNALS:
++ void inverseBindPosesChanged();
++
++ private:
++ static void qmlAppendJoint(QQmlListProperty<QQuick3DNode> *list, QQuick3DNode *joint);
++ static QQuick3DNode *qmlJointAt(QQmlListProperty<QQuick3DNode> *list, qsizetype index);
++ static qsizetype qmlJointsCount(QQmlListProperty<QQuick3DNode> *list);
++ static void qmlClearJoints(QQmlListProperty<QQuick3DNode> *list);
++
++ QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
++
++ QVector<QQuick3DNode *> m_joints;
++ QByteArray m_boneData;
++ QList<QMatrix4x4> m_inverseBindPoses;
++ using JointConnections = std::pair<QMetaObject::Connection, QMetaObject::Connection>;
++ QHash<QObject *, JointConnections> m_jointsConnections;
++ QSet<QQuick3DNode *> m_dirtyJoints;
++ QSet<QQuick3DNode *> m_removedJoints;
++ int m_updatedByNewInverseBindPoses = 0;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QSSGSKIN_H