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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@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 right
class MovementState : public QAnimationState
{
Q_OBJECT
public:
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);
}
movementAnimation->setStartValue(submarine->pos());
QAnimationState::onEntry(e);
}
private:
SubMarine *submarine;
QPropertyAnimation *movementAnimation;
};
//This state is describing when the boat is moving right
class ReturnState : public QAnimationState
{
public:
ReturnState(SubMarine *submarine, QState *parent = 0) : QAnimationState(parent)
{
returnAnimation = new QPropertyAnimation(submarine, "yRotation");
AnimationManager::self()->registerAnimation(returnAnimation);
setAnimation(returnAnimation);
this->submarine = submarine;
}
protected:
void onEntry(QEvent *e)
{
returnAnimation->stop();
returnAnimation->setStartValue(submarine->yRotation());
returnAnimation->setEndValue(submarine->currentDirection() == SubMarine::Right ? 360. : 180.);
returnAnimation->setDuration(500);
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
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