13426aff24
Cleanup the QtWidgets animation examples: - use nullptr - use normalized includes, remove unused includes - fix style - fix crash of sub-attaq when the game ended (error during range-based for loop porting) - don't use keyword 'final' for a variable name Change-Id: Id23be8ff8b1b310da005d13c052fe547f6a0d63a Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
247 lines
7.1 KiB
C++
247 lines
7.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef BOAT_P_H
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#define BOAT_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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//Own
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#include "bomb.h"
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#include "graphicsscene.h"
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// Qt
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#include <QGraphicsRotation>
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#include <QKeyEventTransition>
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#include <QState>
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static const int MAX_BOMB = 5;
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//These transtion test if we have to stop the boat (i.e current speed is 1)
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class KeyStopTransition : public QKeyEventTransition
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{
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public:
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KeyStopTransition(Boat *b, QEvent::Type t, int k)
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: QKeyEventTransition(b, t, k), boat(b)
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{
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}
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protected:
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bool eventTest(QEvent *event) override
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{
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if (!QKeyEventTransition::eventTest(event))
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return false;
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return (boat->currentSpeed() == 1);
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}
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private:
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Boat *boat;
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};
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//These transtion test if we have to move the boat (i.e current speed was 0 or another value)
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class KeyMoveTransition : public QKeyEventTransition
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{
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public:
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KeyMoveTransition(Boat *b, QEvent::Type t, int k)
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: QKeyEventTransition(b, t, k), boat(b), key(k)
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{
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}
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protected:
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bool eventTest(QEvent *event) override
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{
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if (!QKeyEventTransition::eventTest(event))
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return false;
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return (boat->currentSpeed() >= 0);
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}
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void onTransition(QEvent *) override
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{
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//We decrease the speed if needed
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if (key == Qt::Key_Left && boat->currentDirection() == Boat::Right)
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boat->setCurrentSpeed(boat->currentSpeed() - 1);
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else if (key == Qt::Key_Right && boat->currentDirection() == Boat::Left)
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boat->setCurrentSpeed(boat->currentSpeed() - 1);
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else if (boat->currentSpeed() < 3)
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boat->setCurrentSpeed(boat->currentSpeed() + 1);
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boat->updateBoatMovement();
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}
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private:
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Boat *boat;
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int key;
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};
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//This transition trigger the bombs launch
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class KeyLaunchTransition : public QKeyEventTransition
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{
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public:
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KeyLaunchTransition(Boat *boat, QEvent::Type type, int key)
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: QKeyEventTransition(boat, type, key), boat(boat)
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{
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}
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protected:
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bool eventTest(QEvent *event) override
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{
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if (!QKeyEventTransition::eventTest(event))
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return false;
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//We have enough bomb?
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return (boat->bombsLaunched() < MAX_BOMB);
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}
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private:
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Boat *boat;
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};
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//This state is describing when the boat is moving right
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class MoveStateRight : public QState
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{
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public:
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explicit MoveStateRight(Boat *boat, QState *parent = nullptr)
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: QState(parent), boat(boat)
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{
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}
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protected:
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void onEntry(QEvent *) override
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{
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boat->setCurrentDirection(Boat::Right);
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boat->updateBoatMovement();
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}
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private:
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Boat *boat;
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};
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//This state is describing when the boat is moving left
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class MoveStateLeft : public QState
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{
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public:
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explicit MoveStateLeft(Boat *boat, QState *parent = nullptr)
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: QState(parent), boat(boat)
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{
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}
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protected:
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void onEntry(QEvent *) override
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{
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boat->setCurrentDirection(Boat::Left);
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boat->updateBoatMovement();
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}
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private:
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Boat *boat;
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};
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//This state is describing when the boat is in a stand by position
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class StopState : public QState
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{
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public:
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explicit StopState(Boat *boat, QState *parent = nullptr)
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: QState(parent), boat(boat)
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{
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}
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protected:
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void onEntry(QEvent *) override
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{
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boat->setCurrentSpeed(0);
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boat->setCurrentDirection(Boat::None);
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boat->updateBoatMovement();
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}
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private:
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Boat *boat;
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};
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//This state is describing the launch of the torpedo on the right
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class LaunchStateRight : public QState
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{
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public:
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explicit LaunchStateRight(Boat *boat, QState *parent = nullptr)
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: QState(parent), boat(boat)
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{
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}
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protected:
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void onEntry(QEvent *) override
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{
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Bomb *b = new Bomb;
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b->setPos(boat->x()+boat->size().width(),boat->y());
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GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
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scene->addItem(b);
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b->launch(Bomb::Right);
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boat->setBombsLaunched(boat->bombsLaunched() + 1);
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}
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private:
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Boat *boat;
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};
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//This state is describing the launch of the torpedo on the left
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class LaunchStateLeft : public QState
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{
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public:
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explicit LaunchStateLeft(Boat *boat, QState *parent = nullptr)
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: QState(parent), boat(boat)
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{
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}
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protected:
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void onEntry(QEvent *) override
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{
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Bomb *b = new Bomb;
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b->setPos(boat->x() - b->size().width(), boat->y());
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GraphicsScene *scene = static_cast<GraphicsScene *>(boat->scene());
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scene->addItem(b);
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b->launch(Bomb::Left);
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boat->setBombsLaunched(boat->bombsLaunched() + 1);
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}
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private:
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Boat *boat;
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};
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#endif // BOAT_P_H
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