/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the examples of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef SUBMARINE_P_H#define SUBMARINE_P_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists purely as an// implementation detail. This header file may change from version to// version without notice, or even be removed.//// We mean it.////Own#include "animationmanager.h"#include "submarine.h"#include "qanimationstate.h"//Qt#include <QtCore/QPropertyAnimation>#include <QtGui/QGraphicsScene>//This state is describing when the boat is moving rightclass MovementState : public QAnimationState{Q_OBJECTpublic: MovementState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent) { movementAnimation = new QPropertyAnimation(submarine, "pos"); connect(movementAnimation,SIGNAL(valueChanged(const QVariant &)),this,SLOT(onAnimationMovementValueChanged(const QVariant &))); setAnimation(movementAnimation); AnimationManager::self()->registerAnimation(movementAnimation); this->submarine = submarine; }protected slots: void onAnimationMovementValueChanged(const QVariant &) { if (qrand() % 200 + 1 == 3) submarine->launchTorpedo(qrand() % 3 + 1); }protected: void onEntry(QEvent *e) { if (submarine->currentDirection() == SubMarine::Left) { movementAnimation->setEndValue(QPointF(0,submarine->y())); movementAnimation->setDuration(submarine->x()/submarine->currentSpeed()*12); } else /*if (submarine->currentDirection() == SubMarine::Right)*/ { movementAnimation->setEndValue(QPointF(submarine->scene()->width()-submarine->size().width(),submarine->y())); movementAnimation->setDuration((submarine->scene()->width()-submarine->size().width()-submarine->x())/submarine->currentSpeed()*12); } QAnimationState::onEntry(e); }private: SubMarine *submarine; QPropertyAnimation *movementAnimation;};//This state is describing when the boat is moving rightclass ReturnState : public QAnimationState{public: ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent) { returnAnimation = new QPropertyAnimation(submarine->rotation(), "angle"); returnAnimation->setDuration(500); AnimationManager::self()->registerAnimation(returnAnimation); setAnimation(returnAnimation); this->submarine = submarine; }protected: void onEntry(QEvent *e) { returnAnimation->stop(); returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.); QAnimationState::onEntry(e); } void onExit(QEvent *e) { submarine->currentDirection() == SubMarine::Right ? submarine->setCurrentDirection(SubMarine::Left) : submarine->setCurrentDirection(SubMarine::Right); QAnimationState::onExit(e); }private: SubMarine *submarine; QPropertyAnimation *returnAnimation;};#endif // SUBMARINE_P_H