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Diffstat (limited to 'examples/statemachine/tankgame/tankitem.h')
-rw-r--r-- | examples/statemachine/tankgame/tankitem.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/examples/statemachine/tankgame/tankitem.h b/examples/statemachine/tankgame/tankitem.h new file mode 100644 index 0000000..942fca8 --- /dev/null +++ b/examples/statemachine/tankgame/tankitem.h @@ -0,0 +1,109 @@ +/**************************************************************************** +** +** 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 TANKITEM_H +#define TANKITEM_H + +#include "gameitem.h" + +#include <QColor> + +class Action; +class TankItem: public GameItem +{ + Q_OBJECT + Q_PROPERTY(bool enabled READ enabled WRITE setEnabled) + Q_PROPERTY(qreal direction READ direction WRITE turnTo) + Q_PROPERTY(qreal distanceToObstacle READ distanceToObstacle) +public: + TankItem(QObject *parent = 0); + + void setColor(const QColor &color) { m_color = color; } + QColor color() const { return m_color; } + + void idle(qreal elapsed); + void setDirection(qreal newDirection); + + qreal speed() const { return 90.0; } + qreal angularSpeed() const { return 90.0; } + + QRectF boundingRect() const; + + void hitByRocket(); + + void setEnabled(bool b) { m_enabled = b; } + bool enabled() const { return m_enabled; } + + qreal direction() const; + qreal distanceToObstacle() const; + qreal distanceToObstacle(QGraphicsItem **item) const; + +//! [0] +signals: + void tankSpotted(qreal direction, qreal distance); + void collision(const QLineF &collidedLine); + void actionCompleted(); + void cannonFired(); + void aboutToBeDestroyed(); + +public slots: + void moveForwards(qreal length = 10.0); + void moveBackwards(qreal length = 10.0); + void turn(qreal degrees = 30.0); + void turnTo(qreal degrees = 0.0); + void stop(); + void fireCannon(); +//! [0] + +protected: + virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); + QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value); + +private: + void setAction(Action *newAction); + + Action *m_currentAction; + qreal m_currentDirection; + QColor m_color; + bool m_enabled; +}; + +#endif |