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/****************************************************************************
**
** Copyright (C) 1999-2002 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SELECTED_VALUE_IMPL_H
#define SELECTED_VALUE_IMPL_H
#include "SelectedValue.h"
#include "foundation/Qt3DSDiscriminatedUnion.h"
#include "Qt3DSDMHandles.h"
#include "foundation/Qt3DSUnionCast.h"
namespace Q3DStudio {
struct SSlideInstanceWrapper
{
qt3dsdm::Qt3DSDMInstanceHandle m_Instance;
qt3dsdm::Qt3DSDMSlideHandle m_Slide;
#ifdef _WIN32
// We have a multiple unions which needs to be big enough
// This is strange on 32 bit systems but wrong on 64 bit.
// Align the structure to make it big enough.
size_t m_Padding;
#endif
SSlideInstanceWrapper() {}
SSlideInstanceWrapper(qt3dsdm::Qt3DSDMInstanceHandle inst, qt3dsdm::Qt3DSDMSlideHandle slide)
: m_Instance(inst)
, m_Slide(slide)
{
}
bool operator==(const SSlideInstanceWrapper &inOther) const
{
return m_Instance == inOther.m_Instance && m_Slide == inOther.m_Slide;
}
};
struct SSlideInsertionWrapper
{
void *m_UserData;
SSlideInsertionWrapper(void *ud = NULL)
: m_UserData(ud)
{
}
bool operator==(const SSlideInsertionWrapper &inOther) const
{
return m_UserData == inOther.m_UserData;
}
};
template <typename dtype>
struct SSelectedValueTypeMap
{
};
template <>
struct SSelectedValueTypeMap<qt3dsdm::Qt3DSDMInstanceHandle>
{
static SelectedValueTypes::Enum GetType() { return SelectedValueTypes::Instance; }
};
template <>
struct SSelectedValueTypeMap<SSlideInstanceWrapper>
{
static SelectedValueTypes::Enum GetType() { return SelectedValueTypes::Slide; }
};
template <>
struct SSelectedValueTypeMap<qt3dsdm::Qt3DSDMGuideHandle>
{
static SelectedValueTypes::Enum GetType() { return SelectedValueTypes::Guide; }
};
template <>
struct SSelectedValueTypeMap<SSlideInsertionWrapper>
{
static SelectedValueTypes::Enum GetType() { return SelectedValueTypes::SlideInsertion; }
};
template <>
struct SSelectedValueTypeMap<qt3dsdm::TInstanceHandleList>
{
static SelectedValueTypes::Enum GetType() { return SelectedValueTypes::MultipleInstances; }
};
struct SSelectedValueTraits
{
typedef SelectedValueTypes::Enum TIdType;
enum {
TBufferSize = sizeof(SSlideInstanceWrapper),
};
static TIdType getNoDataId() { return SelectedValueTypes::UnknownSelectedValueType; }
template <typename TDataType>
static TIdType getType()
{
return SSelectedValueTypeMap<TDataType>().GetType();
}
template <typename TRetType, typename TVisitorType>
static TRetType visit(char *inData, TIdType inType, TVisitorType inVisitor)
{
switch (inType) {
case SelectedValueTypes::Instance:
return inVisitor(*qt3ds::NVUnionCast<qt3dsdm::Qt3DSDMInstanceHandle *>(inData));
case SelectedValueTypes::Slide:
return inVisitor(*qt3ds::NVUnionCast<SSlideInstanceWrapper *>(inData));
case SelectedValueTypes::Guide:
return inVisitor(*qt3ds::NVUnionCast<qt3dsdm::Qt3DSDMGuideHandle *>(inData));
case SelectedValueTypes::SlideInsertion:
return inVisitor(*qt3ds::NVUnionCast<void **>(inData));
case SelectedValueTypes::MultipleInstances:
return inVisitor(*qt3ds::NVUnionCast<qt3dsdm::TInstanceHandleList *>(inData));
default:
QT3DS_ASSERT(false);
case SelectedValueTypes::UnknownSelectedValueType:
return inVisitor();
}
}
template <typename TRetType, typename TVisitorType>
static TRetType visit(const char *inData, TIdType inType, TVisitorType inVisitor)
{
switch (inType) {
case SelectedValueTypes::Instance:
return inVisitor(*qt3ds::NVUnionCast<const qt3dsdm::Qt3DSDMInstanceHandle *>(inData));
case SelectedValueTypes::Slide:
return inVisitor(*qt3ds::NVUnionCast<const SSlideInstanceWrapper *>(inData));
case SelectedValueTypes::Guide:
return inVisitor(*qt3ds::NVUnionCast<const qt3dsdm::Qt3DSDMGuideHandle *>(inData));
case SelectedValueTypes::SlideInsertion:
return inVisitor(*qt3ds::NVUnionCast<const void **>(inData));
case SelectedValueTypes::MultipleInstances:
return inVisitor(*qt3ds::NVUnionCast<const qt3dsdm::TInstanceHandleList *>(inData));
default:
QT3DS_ASSERT(false);
case SelectedValueTypes::UnknownSelectedValueType:
return inVisitor();
}
}
};
typedef qt3ds::foundation::
DiscriminatedUnion<qt3ds::foundation::
DiscriminatedUnionGenericBase<SSelectedValueTraits,
SSelectedValueTraits::TBufferSize>,
SSelectedValueTraits::TBufferSize>
TSelectedValueUnionType;
struct SSelectedValue : public TSelectedValueUnionType
{
SSelectedValue() {}
SSelectedValue(const SSelectedValue &other)
: TSelectedValueUnionType(static_cast<const TSelectedValueUnionType &>(other))
{
}
SSelectedValue(qt3dsdm::Qt3DSDMInstanceHandle val)
: TSelectedValueUnionType(val)
{
}
SSelectedValue(SSlideInstanceWrapper val)
: TSelectedValueUnionType(val)
{
}
SSelectedValue(qt3dsdm::Qt3DSDMGuideHandle val)
: TSelectedValueUnionType(val)
{
}
SSelectedValue(SSlideInsertionWrapper val)
: TSelectedValueUnionType(val)
{
}
SSelectedValue(const qt3dsdm::TInstanceHandleList &val)
: TSelectedValueUnionType(val)
{
}
SSelectedValue &operator=(const SSelectedValue &other)
{
TSelectedValueUnionType::operator=(static_cast<const TSelectedValueUnionType &>(other));
return *this;
}
bool empty() const { return getType() == SelectedValueTypes::UnknownSelectedValueType; }
operator bool() const { return !empty(); }
qt3dsdm::TInstanceHandleList GetSelectedInstances() const
{
if (getType() == SelectedValueTypes::Instance) {
qt3dsdm::TInstanceHandleList retval;
retval.push_back(getData<qt3dsdm::Qt3DSDMInstanceHandle>());
return retval;
} else if (getType() == SelectedValueTypes::MultipleInstances)
return getData<qt3dsdm::TInstanceHandleList>();
return qt3dsdm::TInstanceHandleList();
}
};
}
#endif
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