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-/****************************************************************************
-**
-** Copyright (C) 2011 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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.
-**
-** 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef BOAT_P_H
-#define BOAT_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 "bomb.h"
-#include "graphicsscene.h"
-
-// Qt
-#include <QtGui/QKeyEventTransition>
-
-static const int MAX_BOMB = 5;
-
-
-//These transtion test if we have to stop the boat (i.e current speed is 1)
-class KeyStopTransition : public QKeyEventTransition
-{
-public:
- KeyStopTransition(Boat *b, QEvent::Type t, int k)
- : QKeyEventTransition(b, t, k), boat(b), key(k)
- {
- }
-protected:
- virtual bool eventTest(QEvent *event)
- {
- if (!QKeyEventTransition::eventTest(event))
- return false;
- return (boat->currentSpeed() == 1);
- }
-private:
- Boat * boat;
- int key;
-};
-
-//These transtion test if we have to move the boat (i.e current speed was 0 or another value)
- class KeyMoveTransition : public QKeyEventTransition
-{
-public:
- KeyMoveTransition(Boat *b, QEvent::Type t, int k)
- : QKeyEventTransition(b, t, k), boat(b), key(k)
- {
- }
-protected:
- virtual bool eventTest(QEvent *event)
- {
- if (!QKeyEventTransition::eventTest(event))
- return false;
- return (boat->currentSpeed() >= 0);
- }
- void onTransition(QEvent *)
- {
- //We decrease the speed if needed
- if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right)
- boat->setCurrentSpeed(boat->currentSpeed() - 1);
- else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left)
- boat->setCurrentSpeed(boat->currentSpeed() - 1);
- else if (boat->currentSpeed() < 3)
- boat->setCurrentSpeed(boat->currentSpeed() + 1);
- boat->updateBoatMovement();
- }
-private:
- Boat * boat;
- int key;
-};
-
-//This transition trigger the bombs launch
- class KeyLaunchTransition : public QKeyEventTransition
-{
-public:
- KeyLaunchTransition(Boat *boat, QEvent::Type type, int key)
- : QKeyEventTransition(boat, type, key), boat(boat), key(key)
- {
- }
-protected:
- virtual bool eventTest(QEvent *event)
- {
- if (!QKeyEventTransition::eventTest(event))
- return false;
- //We have enough bomb?
- return (boat->bombsLaunched() < MAX_BOMB);
- }
-private:
- Boat * boat;
- int key;
-};
-
-//This state is describing when the boat is moving right
-class MoveStateRight : public QState
-{
-public:
- MoveStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
- {
- }
-protected:
- void onEntry(QEvent *)
- {
- boat->setCurrentDirection(Boat::Right);
- boat->updateBoatMovement();
- }
-private:
- Boat * boat;
-};
-
- //This state is describing when the boat is moving left
-class MoveStateLeft : public QState
-{
-public:
- MoveStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
- {
- }
-protected:
- void onEntry(QEvent *)
- {
- boat->setCurrentDirection(Boat::Left);
- boat->updateBoatMovement();
- }
-private:
- Boat * boat;
-};
-
-//This state is describing when the boat is in a stand by position
-class StopState : public QState
-{
-public:
- StopState(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
- {
- }
-protected:
- void onEntry(QEvent *)
- {
- boat->setCurrentSpeed(0);
- boat->setCurrentDirection(Boat::None);
- boat->updateBoatMovement();
- }
-private:
- Boat * boat;
-};
-
-//This state is describing the launch of the torpedo on the right
-class LaunchStateRight : public QState
-{
-public:
- LaunchStateRight(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
- {
- }
-protected:
- void onEntry(QEvent *)
- {
- Bomb *b = new Bomb();
- b->setPos(boat->x()+boat->size().width(),boat->y());
- GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
- scene->addItem(b);
- b->launch(Bomb::Right);
- boat->setBombsLaunched(boat->bombsLaunched() + 1);
- }
-private:
- Boat * boat;
-};
-
-//This state is describing the launch of the torpedo on the left
-class LaunchStateLeft : public QState
-{
-public:
- LaunchStateLeft(Boat *boat,QState *parent = 0) : QState(parent), boat(boat)
- {
- }
-protected:
- void onEntry(QEvent *)
- {
- Bomb *b = new Bomb();
- b->setPos(boat->x() - b->size().width(), boat->y());
- GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
- scene->addItem(b);
- b->launch(Bomb::Left);
- boat->setBombsLaunched(boat->bombsLaunched() + 1);
- }
-private:
- Boat * boat;
-};
-
-#endif // BOAT_P_H
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