states.h Example File

animation/sub-attaq/states.h
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef STATES_H
#define STATES_H

//Qt
#include <QtCore/QState>
#include <QtCore/QSignalTransition>
#include <QtCore/QPropertyAnimation>
#include <QtWidgets/QKeyEventTransition>
#include <QtCore/QSet>

class GraphicsScene;
class Boat;
class SubMarine;
class QStateMachine;

class PlayState : public QState
{
public:
    explicit PlayState(GraphicsScene *scene, QState *parent = 0);
    ~PlayState();

 protected:
    void onEntry(QEvent *) Q_DECL_OVERRIDE;

private :
    GraphicsScene *scene;
    QStateMachine *machine;
    int currentLevel;
    int score;

    friend class UpdateScoreState;
    friend class UpdateScoreTransition;
    friend class WinTransition;
    friend class CustomSpaceTransition;
    friend class WinState;
    friend class LostState;
    friend class LevelState;
};

class LevelState : public QState
{
public:
    LevelState(GraphicsScene *scene, PlayState *game, QState *parent = 0);
protected:
    void onEntry(QEvent *) Q_DECL_OVERRIDE;
private :
    void initializeLevel();
    GraphicsScene *scene;
    PlayState *game;
};

class PauseState : public QState
{
public:
    explicit PauseState(GraphicsScene *scene, QState *parent = 0);

protected:
    void onEntry(QEvent *) Q_DECL_OVERRIDE;
    void onExit(QEvent *) Q_DECL_OVERRIDE;
private :
    GraphicsScene *scene;
};

class LostState : public QState
{
public:
    LostState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

protected:
    void onEntry(QEvent *) Q_DECL_OVERRIDE;
    void onExit(QEvent *) Q_DECL_OVERRIDE;
private :
    GraphicsScene *scene;
    PlayState *game;
};

class WinState : public QState
{
public:
    WinState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

protected:
    void onEntry(QEvent *) Q_DECL_OVERRIDE;
    void onExit(QEvent *) Q_DECL_OVERRIDE;
private :
    GraphicsScene *scene;
    PlayState *game;
};

class UpdateScoreState : public QState
{
public:
    UpdateScoreState(QState *parent);
private:
};

//These transtion is used to update the score
class UpdateScoreTransition : public QSignalTransition
{
public:
    UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
protected:
    virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE;
private:
    PlayState * game;
    GraphicsScene *scene;
};

//These transtion test if we have won the game
class WinTransition : public QSignalTransition
{
public:
    WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);
protected:
    virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE;
private:
    PlayState * game;
    GraphicsScene *scene;
};

//These transtion is true if one level has been completed and the player want to continue
 class CustomSpaceTransition : public QKeyEventTransition
{
public:
    CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key);
protected:
    virtual bool eventTest(QEvent *event) Q_DECL_OVERRIDE;
private:
    PlayState *game;
};

#endif // STATES_H

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.