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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qadditiveclipblend.h"
#include "qadditiveclipblend_p.h"
#include <Qt3DAnimation/qclipblendnodecreatedchange.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
/*!
\qmltype AdditiveClipBlend
\instantiates Qt3DAnimation::QAdditiveClipBlend
\inqmlmodule Qt3D.Animation
\brief Performs an addition of two animation clips based on a
normalized factor
\since 5.9
AdditiveClipBlend can be useful to create advanced animation effects based on
individual animation clips. For instance, given a player character, additive
blending could be used to combine a walking animation clip with an injured
animation clip based on a blend factor that increases the more the player
gets injured. This would then allow with blend factor == 0 to have a non
injured walking player, with blend factor == 1 a fully injured player, with
blend factor == 0.5 a partially walking and injured player.
\sa BlendedClipAnimator
*/
/*!
\class Qt3DAnimation::QAdditiveClipBlend
\inmodule Qt3DAnimation
\inherits Qt3DAnimation::QAbstractClipBlendNode
\brief Performs an addition of two animation clips based on a
normalized factor
\since 5.9
QAdditiveClipBlend can be useful to create advanced animation effects based on
individual animation clips. For instance, given a player character, additive
blending could be used to combine a walking animation clip with an injured
animation clip based on a blend factor that increases the more the player
gets injured. This would then allow with blend factor == 0 to have a non
injured walking player, with blend factor == 1 a fully injured player, with
blend factor == 0.5 a partially walking and injured player.
\sa QBlendedClipAnimator
*/
QAdditiveClipBlendPrivate::QAdditiveClipBlendPrivate()
: QAbstractClipBlendNodePrivate()
, m_baseClip(nullptr)
, m_additiveClip(nullptr)
, m_additiveFactor(0.0f)
{
}
QAdditiveClipBlend::QAdditiveClipBlend(Qt3DCore::QNode *parent)
: QAbstractClipBlendNode(*new QAdditiveClipBlendPrivate(), parent)
{
}
QAdditiveClipBlend::QAdditiveClipBlend(QAdditiveClipBlendPrivate &dd, Qt3DCore::QNode *parent)
: QAbstractClipBlendNode(dd, parent)
{
}
QAdditiveClipBlend::~QAdditiveClipBlend()
{
}
Qt3DCore::QNodeCreatedChangeBasePtr QAdditiveClipBlend::createNodeCreationChange() const
{
Q_D(const QAdditiveClipBlend);
auto creationChange = QClipBlendNodeCreatedChangePtr<QAdditiveClipBlendData>::create(this);
QAdditiveClipBlendData &data = creationChange->data;
data.baseClipId = Qt3DCore::qIdForNode(d->m_baseClip);
data.additiveClipId = Qt3DCore::qIdForNode(d->m_additiveClip);
data.additiveFactor = d->m_additiveFactor;
return creationChange;
}
/*!
\qmlproperty real AdditiveClipBlend::additiveFactor
Specifies the blending factor between 0 and 1 to control the blending of
two animation clips.
*/
/*!
\property QAdditiveClipBlend::additiveFactor
Specifies the blending factor between 0 and 1 to control the blending of
two animation clips.
*/
float QAdditiveClipBlend::additiveFactor() const
{
Q_D(const QAdditiveClipBlend);
return d->m_additiveFactor;
}
QAbstractClipBlendNode *QAdditiveClipBlend::baseClip() const
{
Q_D(const QAdditiveClipBlend);
return d->m_baseClip;
}
QAbstractClipBlendNode *QAdditiveClipBlend::additiveClip() const
{
Q_D(const QAdditiveClipBlend);
return d->m_additiveClip;
}
void QAdditiveClipBlend::setAdditiveFactor(float additiveFactor)
{
Q_D(QAdditiveClipBlend);
if (d->m_additiveFactor == additiveFactor)
return;
d->m_additiveFactor = additiveFactor;
emit additiveFactorChanged(additiveFactor);
}
void QAdditiveClipBlend::setBaseClip(QAbstractClipBlendNode *baseClip)
{
Q_D(QAdditiveClipBlend);
if (d->m_baseClip == baseClip)
return;
if (d->m_baseClip)
d->unregisterDestructionHelper(d->m_baseClip);
if (baseClip && !baseClip->parent())
baseClip->setParent(this);
d->m_baseClip = baseClip;
// Ensures proper bookkeeping
if (d->m_baseClip)
d->registerDestructionHelper(d->m_baseClip, &QAdditiveClipBlend::setBaseClip, d->m_baseClip);
emit baseClipChanged(baseClip);
}
void QAdditiveClipBlend::setAdditiveClip(QAbstractClipBlendNode *additiveClip)
{
Q_D(QAdditiveClipBlend);
if (d->m_additiveClip == additiveClip)
return;
if (d->m_additiveClip)
d->unregisterDestructionHelper(d->m_additiveClip);
if (additiveClip && !additiveClip->parent())
additiveClip->setParent(this);
d->m_additiveClip = additiveClip;
// Ensures proper bookkeeping
if (d->m_additiveClip)
d->registerDestructionHelper(d->m_additiveClip, &QAdditiveClipBlend::setAdditiveClip, d->m_additiveClip);
emit additiveClipChanged(additiveClip);
}
/*!
\qmlproperty list<AnimationClip> AdditiveClipBlend::clips
Holds the list of AnimationClip nodes against which the blending is performed.
\note Only the two first AnimationClip are used, subsequent ones are ignored
*/
/*!
\fn void QAdditiveClipBlend::addClip(QAnimationClip *clip);
Adds a \a clip to the blending node's clips list.
\note Only the two first AnimationClip are used, subsequent ones are ignored
*/
/*!
\fn void QAdditiveClipBlend::removeClip(QAnimationClip *clip);
Removes a \a clip from the blending node's clips list.
*/
/*!
\fn QVector<QAnimationClip *> QAdditiveClipBlend::clips() const;
Returns the list of QAnimationClip against which the blending is performed.
*/
} // Qt3DAnimation
QT_END_NAMESPACE
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