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/****************************************************************************
**
** Copyright (C) 2016 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#include "foundation/Qt3DSRefCounted.h"
#include "Qt3DSStateConfig.h"
namespace qt3ds {
class NVFoundation;
namespace foundation {
class IStringTable;
}
}
namespace Q3DStudio {
class ITimeProvider;
}
namespace qt3ds {
namespace state {
class IInputStreamFactory;
class INDDStateEngine
{
public:
enum EStateEvent {
STATE_EVENT_UNKNOWN = 0,
STATE_EVENT_STATE_ENTER,
STATE_EVENT_STATE_EXIT,
STATE_EVENT_TRANSITION,
};
class IStateEventHandler
{
public:
virtual ~IStateEventHandler() {}
virtual void OnEvent() = 0;
};
class IStateEventHandlerConnection : public qt3ds::foundation::NVRefCounted
{
protected:
virtual ~IStateEventHandlerConnection() {}
public:
};
typedef qt3ds::foundation::NVScopedRefCounted<IStateEventHandlerConnection>
TStateEventHandlerConnectionPtr;
public:
virtual ~INDDStateEngine() {}
virtual bool Load(const char *inApplicationPath) = 0;
virtual bool Step() = 0;
virtual TStateEventHandlerConnectionPtr
RegisterEventHandler(EStateEvent inEvent, const char *inEventId,
IStateEventHandler &inHandler) = 0;
virtual void FireEvent(const char *inEventName, unsigned long long inDelay,
const char *inCancelId, bool inIsExternal = true) = 0;
virtual void FireEvent(const char *inEventName, bool inIsExternal = true) = 0;
virtual void CancelEvent(const char *inCancelId) = 0;
QT3DS_STATE_API static INDDStateEngine *
Create(qt3ds::foundation::NVScopedRefCounted<qt3ds::NVFoundation> inFoundation,
qt3ds::foundation::NVScopedRefCounted<qt3ds::foundation::IStringTable> inStringTable,
qt3ds::foundation::NVScopedRefCounted<qt3ds::state::IInputStreamFactory>
inInputStreamFactory,
Q3DStudio::ITimeProvider &inTimeProvider);
QT3DS_STATE_API static INDDStateEngine *Create();
};
}
}
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