[556] | 1 | /****************************************************************************
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| 2 | **
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[651] | 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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[556] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the QtCore module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | //Own
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| 43 | #include "bomb.h"
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| 44 | #include "submarine.h"
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| 45 | #include "pixmapitem.h"
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| 46 | #include "animationmanager.h"
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| 47 | #include "qanimationstate.h"
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| 48 |
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| 49 | //Qt
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| 50 | #include <QtCore/QSequentialAnimationGroup>
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| 51 | #include <QtCore/QPropertyAnimation>
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| 52 | #include <QtCore/QStateMachine>
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| 53 | #include <QtCore/QFinalState>
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| 54 |
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| 55 | Bomb::Bomb() : PixmapItem(QString("bomb"), GraphicsScene::Big)
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| 56 | {
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| 57 | setZValue(2);
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| 58 | }
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| 59 |
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| 60 | void Bomb::launch(Bomb::Direction direction)
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| 61 | {
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| 62 | QSequentialAnimationGroup *launchAnimation = new QSequentialAnimationGroup;
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| 63 | AnimationManager::self()->registerAnimation(launchAnimation);
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| 64 | qreal delta = direction == Right ? 20 : - 20;
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| 65 | QPropertyAnimation *anim = new QPropertyAnimation(this, "pos");
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| 66 | anim->setEndValue(QPointF(x() + delta,y() - 20));
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| 67 | anim->setDuration(150);
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| 68 | launchAnimation->addAnimation(anim);
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| 69 | anim = new QPropertyAnimation(this, "pos");
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| 70 | anim->setEndValue(QPointF(x() + delta*2, y() ));
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| 71 | anim->setDuration(150);
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| 72 | launchAnimation->addAnimation(anim);
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| 73 | anim = new QPropertyAnimation(this, "pos");
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| 74 | anim->setEndValue(QPointF(x() + delta*2,scene()->height()));
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| 75 | anim->setDuration(y()/2*60);
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| 76 | launchAnimation->addAnimation(anim);
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| 77 | connect(anim,SIGNAL(valueChanged(QVariant)),this,SLOT(onAnimationLaunchValueChanged(QVariant)));
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| 78 | connect(this, SIGNAL(bombExploded()), launchAnimation, SLOT(stop()));
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| 79 | //We setup the state machine of the bomb
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| 80 | QStateMachine *machine = new QStateMachine(this);
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| 81 |
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| 82 | //This state is when the launch animation is playing
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| 83 | QAnimationState *launched = new QAnimationState(machine);
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| 84 | launched->setAnimation(launchAnimation);
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| 85 |
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| 86 | //End
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| 87 | QFinalState *final = new QFinalState(machine);
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| 88 |
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| 89 | machine->setInitialState(launched);
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| 90 |
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| 91 | //### Add a nice animation when the bomb is destroyed
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| 92 | launched->addTransition(this, SIGNAL(bombExploded()),final);
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| 93 |
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| 94 | //If the animation is finished, then we move to the final state
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| 95 | launched->addTransition(launched, SIGNAL(animationFinished()), final);
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| 96 |
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| 97 | //The machine has finished to be executed, then the boat is dead
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| 98 | connect(machine,SIGNAL(finished()),this, SIGNAL(bombExecutionFinished()));
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| 99 |
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| 100 | machine->start();
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| 101 |
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| 102 | }
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| 103 |
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| 104 | void Bomb::onAnimationLaunchValueChanged(const QVariant &)
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| 105 | {
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| 106 | foreach (QGraphicsItem * item , collidingItems(Qt::IntersectsItemBoundingRect)) {
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| 107 | if (item->type() == SubMarine::Type) {
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| 108 | SubMarine *s = static_cast<SubMarine *>(item);
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| 109 | destroy();
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| 110 | s->destroy();
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| 111 | }
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | void Bomb::destroy()
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| 116 | {
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| 117 | emit bombExploded();
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| 118 | }
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