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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 "evaluateblendclipanimatorjob_p.h"
#include <Qt3DAnimation/private/handler_p.h>
#include <Qt3DAnimation/private/managers_p.h>
#include <Qt3DAnimation/private/animationlogging_p.h>
#include <Qt3DAnimation/private/animationutils_p.h>
#include <Qt3DAnimation/private/clipblendvalue_p.h>
#include <Qt3DAnimation/private/lerpclipblend_p.h>
#include <Qt3DAnimation/private/clipblendnodevisitor_p.h>
#include <Qt3DAnimation/private/job_common_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
EvaluateBlendClipAnimatorJob::EvaluateBlendClipAnimatorJob()
: Qt3DCore::QAspectJob()
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::EvaluateBlendClipAnimator, 0);
}
void EvaluateBlendClipAnimatorJob::run()
{
// Find the set of clips that need to be evaluated by querying each node
// in the blend tree.
// TODO: We should be able to cache this for each blend animator and only
// update when a node indicates its dependencies have changed as a result
// of blend factors changing
BlendedClipAnimator *blendedClipAnimator = m_handler->blendedClipAnimatorManager()->data(m_blendClipAnimatorHandle);
Qt3DCore::QNodeId blendTreeRootId = blendedClipAnimator->blendTreeRootId();
const QVector<Qt3DCore::QNodeId> valueNodeIdsToEvaluate = gatherValueNodesToEvaluate(m_handler, blendTreeRootId);
// Calculate the resulting duration of the blend tree based upon its current state
ClipBlendNodeManager *blendNodeManager = m_handler->clipBlendNodeManager();
ClipBlendNode *blendTreeRootNode = blendNodeManager->lookupNode(blendTreeRootId);
Q_ASSERT(blendTreeRootNode);
const double duration = blendTreeRootNode->duration();
// Calculate the phase given the blend tree duration and global time
const qint64 globalTime = m_handler->simulationTime();
const AnimatorEvaluationData animatorData = evaluationDataForAnimator(blendedClipAnimator, globalTime);
int currentLoop = 0;
const double phase = phaseFromGlobalTime(animatorData.globalTime,
animatorData.startTime,
animatorData.playbackRate,
duration,
animatorData.loopCount,
currentLoop);
// Iterate over the value nodes of the blend tree, evaluate the
// contained animation clips at the current phase and store the results
// in the animator indexed by node.
AnimationClipLoaderManager *clipLoaderManager = m_handler->animationClipLoaderManager();
for (const auto valueNodeId : valueNodeIdsToEvaluate) {
ClipBlendValue *valueNode = static_cast<ClipBlendValue *>(blendNodeManager->lookupNode(valueNodeId));
Q_ASSERT(valueNode);
AnimationClip *clip = clipLoaderManager->lookupResource(valueNode->clipId());
Q_ASSERT(clip);
ClipResults rawClipResults = evaluateClipAtPhase(clip, phase);
// Reformat the clip results into the layout used by this animator/blend tree
ComponentIndices format = valueNode->formatIndices(blendedClipAnimator->peerId());
ClipResults formattedClipResults = formatClipResults(rawClipResults, format);
valueNode->setClipResults(blendedClipAnimator->peerId(), formattedClipResults);
}
// Evaluate the blend tree
ClipResults blendedResults = evaluateBlendTree(m_handler, blendedClipAnimator, blendTreeRootId);
const double localTime = phase * duration;
const bool finalFrame = isFinalFrame(localTime, duration, currentLoop, animatorData.loopCount);
// Prepare the property change events
const QVector<MappingData> mappingData = blendedClipAnimator->mappingData();
const QVector<Qt3DCore::QSceneChangePtr> changes = preparePropertyChanges(blendedClipAnimator->peerId(),
mappingData,
blendedResults,
finalFrame);
// Send the property changes
blendedClipAnimator->sendPropertyChanges(changes);
}
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
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