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diff --git a/src/core/geometry/qabstractfunctor.h b/src/core/geometry/qabstractfunctor.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DCORE_QABSTRACTFUNCTOR_H
+#define QT3DCORE_QABSTRACTFUNCTOR_H
+
+#include <Qt3DCore/qt3dcore_global.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DCore {
+
+// This will generate a unique id() function per type
+// <=> 1 unique function address per type
+template<class T>
+struct FunctorType
+{
+    static qintptr id()
+    {
+        // The MSVC linker can under some cases optimize all the template
+        // functions into a single function. The code below is there to ensure
+        // that the linker won't collapse all these distincts functions into one
+        static T *t = nullptr;
+        return reinterpret_cast<qintptr>(t);
+    }
+};
+
+template<class T>
+qintptr functorTypeId()
+{
+    return reinterpret_cast<qintptr>(&FunctorType<T>::id);
+}
+
+#define QT3D_FUNCTOR(Class)                     \
+   qintptr id() const override {         \
+        return Qt3DCore::functorTypeId<Class>();    \
+   }
+
+
+class Q_3DCORESHARED_EXPORT QAbstractFunctor
+{
+public:
+    QAbstractFunctor() = default;
+    virtual ~QAbstractFunctor();
+    virtual qintptr id() const = 0;
+
+    // TODO: Remove when moving a copy of this to Qt3DCore
+    template<class T>
+    const T *functor_cast(const QAbstractFunctor *other) const
+    {
+        if (other->id() == functorTypeId<T>())
+            return static_cast<const T *>(other);
+        return nullptr;
+    }
+private:
+    Q_DISABLE_COPY(QAbstractFunctor)
+};
+
+template<class T>
+const T *functor_cast(const QAbstractFunctor *other)
+{
+    if (other->id() == functorTypeId<T>())
+        return static_cast<const T *>(other);
+    return nullptr;
+}
+
+} // Qt3DCore
+
+QT_END_NAMESPACE
+
+#endif // QT3DCORE_QABSTRACTFUNCTOR_H