1/****************************************************************************
2**
3** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt3D module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#include "executor_p.h"
41
42#include <Qt3DLogic/qframeaction.h>
43#include <Qt3DCore/qnode.h>
44#include <QtCore/qsemaphore.h>
45
46#include <Qt3DCore/private/qscene_p.h>
47
48QT_BEGIN_NAMESPACE
49
50using namespace Qt3DCore;
51
52namespace Qt3DLogic {
53namespace Logic {
54
55Executor::Executor(QObject *parent)
56 : QObject(parent)
57 , m_scene(nullptr)
58{
59}
60
61void Executor::clearQueueAndProceed()
62{
63 // Clear the queue of nodes to process frame updates for (throw the work away).
64 // If the semaphore is acquired, release it to allow the logic job and hence the
65 // manager and frame to complete and shutdown to continue.
66 m_nodeIds.clear();
67 if (m_semaphore->available() == 0)
68 m_semaphore->release();
69}
70
71void Executor::enqueueLogicFrameUpdates(const QVector<Qt3DCore::QNodeId> &nodeIds)
72{
73 m_nodeIds = nodeIds;
74}
75
76bool Executor::event(QEvent *e)
77{
78 if (e->type() == QEvent::User) {
79 FrameUpdateEvent *ev = static_cast<FrameUpdateEvent *>(e);
80 processLogicFrameUpdates(ev->deltaTime());
81 e->setAccepted(true);
82 return true;
83 }
84 return false;
85}
86
87/*!
88 \internal
89
90 Called from context of main thread
91*/
92void Executor::processLogicFrameUpdates(float dt)
93{
94 Q_ASSERT(m_scene);
95 Q_ASSERT(m_semaphore);
96 const QVector<QNode *> nodes = m_scene->lookupNodes(m_nodeIds);
97 for (QNode *node : nodes) {
98 QFrameAction *frameAction = qobject_cast<QFrameAction *>(node);
99 if (frameAction && frameAction->isEnabled())
100 frameAction->onTriggered(dt);
101 }
102
103 // Release the semaphore so the calling Manager can continue
104 m_semaphore->release();
105}
106
107} // namespace Logic
108} // namespace Qt3DLogic
109
110QT_END_NAMESPACE
111