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/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DSDM_SLIDE_GRAPH_CORE_H
#define QT3DSDM_SLIDE_GRAPH_CORE_H
#include "Qt3DSDMHandles.h"
#include "HandleSystemBase.h"
namespace qt3dsdm {
typedef std::pair<Qt3DSDMSlideHandle, Qt3DSDMInstanceHandle> TSlideInstancePair;
typedef std::vector<TSlideInstancePair> TSlideInstancePairList;
typedef std::pair<Qt3DSDMSlideGraphHandle, Qt3DSDMSlideHandle> TGraphSlidePair;
/**
* Binding instances to slide graphs.
*/
class ISlideGraphCore : public IHandleBase
{
public:
virtual ~ISlideGraphCore() {}
/**
* A slide graph is used to associate a set of instances to a set of slides.
* This allows rapid lookup of properties, as an implementation of these.
* There are a few assumptions here. First is that a given slide can be a member
* of one and only one graph (i.e. it does not derive from another slide outside of the graph).
* Second is that an instance is a member of one and only one graph.
*/
virtual Qt3DSDMSlideGraphHandle CreateSlideGraph(Qt3DSDMSlideHandle inRoot) = 0;
virtual Qt3DSDMSlideHandle GetGraphRoot(Qt3DSDMSlideGraphHandle inGraph) const = 0;
virtual Qt3DSDMSlideGraphHandle GetSlideGraph(Qt3DSDMSlideHandle inSlide) const = 0;
virtual void GetSlideGraphs(TSlideGraphHandleList &outGraphs) const = 0;
virtual void DeleteSlideGraph(Qt3DSDMSlideGraphHandle inHandle) = 0;
/**
* Associate a given instance handle with a given graph. This will ensure that property
*lookups
* will travel through this graph before they hit the main data core. Instances may be
*associated
* with a sub-slide of a given graph, not just the root. An instance associated with the root
*is
* implicitly associated with any root-derived slides.
*/
virtual void AssociateInstance(Qt3DSDMSlideGraphHandle inSlideGraph, Qt3DSDMSlideHandle inSlide,
Qt3DSDMInstanceHandle inInstance) = 0;
virtual void GetAssociatedInstances(Qt3DSDMSlideGraphHandle inSlideGraph,
TSlideInstancePairList &outAssociations) const = 0;
virtual TGraphSlidePair GetAssociatedGraph(Qt3DSDMInstanceHandle inInstance) const = 0;
virtual void DissociateInstance(Qt3DSDMInstanceHandle inInstance) = 0;
/**
* All graphs always have an active slide. This is assumed to be the root right off the bat.
*/
virtual void SetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph, Qt3DSDMSlideHandle inSlide) = 0;
virtual Qt3DSDMSlideHandle GetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph) const = 0;
};
typedef std::shared_ptr<ISlideGraphCore> TSlideGraphCorePtr;
}
#endif
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