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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 SLIDEGRAPHCOREH
#define SLIDEGRAPHCOREH
#include "Qt3DSDMStringTable.h"
#include "Qt3DSDMSlideGraphCore.h"
#include "HandleSystemBase.h"
#include "Qt3DSDMErrors.h"
namespace qt3dsdm {
using namespace std;
struct SSlideGraph : public CHandleObject
{
SSlideGraph()
: m_Root(0)
, m_ActiveSlide(0)
{
}
SSlideGraph(int inHandle, int inSlideRoot)
: CHandleObject(inHandle)
, m_Root(inSlideRoot)
, m_ActiveSlide(0)
{
}
Qt3DSDMSlideHandle m_Root;
Qt3DSDMSlideHandle m_ActiveSlide;
static const EHandleObjectType s_Type = CHandleObject::EHandleObjectTypeSSlideGraph;
EHandleObjectType GetType() override { return s_Type; }
};
class CSimpleSlideGraphCore : public CHandleBase, public ISlideGraphCore
{
TStringTablePtr m_StringTable;
typedef std::unordered_map<Qt3DSDMInstanceHandle,
pair<Qt3DSDMSlideGraphHandle, Qt3DSDMSlideHandle>, std::hash<int>>
TInstanceToGraphMap;
typedef std::unordered_map<Qt3DSDMSlideGraphHandle, TSlideInstancePairList, std::hash<int>>
TGraphToInstanceMap;
TInstanceToGraphMap m_InstanceToGraph;
TGraphToInstanceMap m_GraphToInstances;
public:
CSimpleSlideGraphCore(TStringTablePtr strTable = TStringTablePtr())
: m_StringTable(strTable)
{
}
TStringTablePtr GetStringTablePtr() { return m_StringTable; }
/**
* 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.
*/
Qt3DSDMSlideGraphHandle CreateSlideGraph(Qt3DSDMSlideHandle inRoot) override;
Qt3DSDMSlideHandle GetGraphRoot(Qt3DSDMSlideGraphHandle inGraph) const override;
Qt3DSDMSlideGraphHandle GetSlideGraph(Qt3DSDMSlideHandle inSlide) const override;
void GetSlideGraphs(TSlideGraphHandleList &outGraphs) const override;
void DeleteSlideGraph(Qt3DSDMSlideGraphHandle inHandle) override;
/**
* 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.
*/
void AssociateInstance(Qt3DSDMSlideGraphHandle inSlideGraph, Qt3DSDMSlideHandle inSlide,
Qt3DSDMInstanceHandle inInstance) override;
void GetAssociatedInstances(Qt3DSDMSlideGraphHandle inSlideGraph,
TSlideInstancePairList &outAssociations) const override;
TGraphSlidePair GetAssociatedGraph(Qt3DSDMInstanceHandle inInstance) const override;
void DissociateInstance(Qt3DSDMInstanceHandle inInstance) override;
/**
* All graphs always have an active slide. This is assumed to be the root right off the bat.
*/
void SetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph, Qt3DSDMSlideHandle inSlide) override;
Qt3DSDMSlideHandle GetGraphActiveSlide(Qt3DSDMSlideGraphHandle inGraph) const override;
bool HandleValid(int inHandle) const override;
Qt3DSDMSlideGraphHandle CreateSlideGraphWithHandle(int inHandle, Qt3DSDMSlideHandle inRoot);
static SSlideGraph *GetSlideGraphNF(int inHandle, THandleObjectMap &inObjects)
{
return const_cast<SSlideGraph *>(
GetSlideGraphNF(inHandle, static_cast<const THandleObjectMap &>(inObjects)));
}
static const SSlideGraph *GetSlideGraphNF(int inHandle, const THandleObjectMap &inObjects)
{
const SSlideGraph *theSlide = GetHandleObject<SSlideGraph>(inHandle, inObjects);
if (theSlide)
return theSlide;
throw SlideGraphNotFound(L"");
}
};
typedef std::shared_ptr<CSimpleSlideGraphCore> TSimpleSlideGraphCorePtr;
}
#endif
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