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Diffstat (limited to 'examples/animation/sub-attaq/submarine.cpp')
| -rw-r--r-- | examples/animation/sub-attaq/submarine.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/examples/animation/sub-attaq/submarine.cpp b/examples/animation/sub-attaq/submarine.cpp new file mode 100644 index 0000000000..d8cf1da0aa --- /dev/null +++ b/examples/animation/sub-attaq/submarine.cpp @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//Own +#include "submarine.h" +#include "submarine_p.h" +#include "torpedo.h" +#include "pixmapitem.h" +#include "graphicsscene.h" +#include "animationmanager.h" +#include "custompropertyanimation.h" +#include "qanimationstate.h" + +#include <QtCore/QPropertyAnimation> +#include <QtCore/QStateMachine> +#include <QtCore/QFinalState> +#include <QtCore/QSequentialAnimationGroup> + +static QAbstractAnimation *setupDestroyAnimation(SubMarine *sub) +{ + QSequentialAnimationGroup *group = new QSequentialAnimationGroup(sub); +#if QT_VERSION >=0x040500 + PixmapItem *step1 = new PixmapItem(QString("explosion/submarine/step1"),GraphicsScene::Big, sub); + step1->setZValue(6); + PixmapItem *step2 = new PixmapItem(QString("explosion/submarine/step2"),GraphicsScene::Big, sub); + step2->setZValue(6); + PixmapItem *step3 = new PixmapItem(QString("explosion/submarine/step3"),GraphicsScene::Big, sub); + step3->setZValue(6); + PixmapItem *step4 = new PixmapItem(QString("explosion/submarine/step4"),GraphicsScene::Big, sub); + step4->setZValue(6); + step1->setOpacity(0); + step2->setOpacity(0); + step3->setOpacity(0); + step4->setOpacity(0); + CustomPropertyAnimation *anim1 = new CustomPropertyAnimation(sub); + anim1->setMemberFunctions((QGraphicsItem*)step1, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity); + anim1->setDuration(100); + anim1->setEndValue(1); + CustomPropertyAnimation *anim2 = new CustomPropertyAnimation(sub); + anim2->setMemberFunctions((QGraphicsItem*)step2, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity); + anim2->setDuration(100); + anim2->setEndValue(1); + CustomPropertyAnimation *anim3 = new CustomPropertyAnimation(sub); + anim3->setMemberFunctions((QGraphicsItem*)step3, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity); + anim3->setDuration(100); + anim3->setEndValue(1); + CustomPropertyAnimation *anim4 = new CustomPropertyAnimation(sub); + anim4->setMemberFunctions((QGraphicsItem*)step4, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity); + anim4->setDuration(100); + anim4->setEndValue(1); + group->addAnimation(anim1); + group->addAnimation(anim2); + group->addAnimation(anim3); + group->addAnimation(anim4); +#else + // work around for a bug where we don't transition if the duration is zero. + QtPauseAnimation *anim = new QtPauseAnimation(group); + anim->setDuration(1); + group->addAnimation(anim); +#endif + AnimationManager::self()->registerAnimation(group); + return group; +} + + +SubMarine::SubMarine(int type, const QString &name, int points, QGraphicsItem * parent, Qt::WindowFlags wFlags) + : QGraphicsWidget(parent,wFlags), subType(type), subName(name), subPoints(points), speed(0), direction(SubMarine::None) +{ + pixmapItem = new PixmapItem(QString("submarine"),GraphicsScene::Big, this); + setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); + setZValue(5); + setFlags(QGraphicsItem::ItemIsMovable); + resize(pixmapItem->boundingRect().width(),pixmapItem->boundingRect().height()); + setTransformOrigin(boundingRect().center()); + + //We setup the state machine of the submarine + QStateMachine *machine = new QStateMachine(this); + + //This state is when the boat is moving/rotating + QState *moving = new QState(machine->rootState()); + + //This state is when the boat is moving from left to right + MovementState *movement = new MovementState(this, moving); + + //This state is when the boat is moving from left to right + ReturnState *rotation = new ReturnState(this, moving); + + //This is the initial state of the moving root state + moving->setInitialState(movement); + + movement->addTransition(this, SIGNAL(subMarineStateChanged()), moving); + + //This is the initial state of the machine + machine->setInitialState(moving); + + //End + QFinalState *final = new QFinalState(machine->rootState()); + + //If the moving animation is finished we move to the return state + movement->addTransition(movement, SIGNAL(animationFinished()), rotation); + + //If the return animation is finished we move to the moving state + rotation->addTransition(rotation, SIGNAL(animationFinished()), movement); + + //This state play the destroyed animation + QAnimationState *destroyedState = new QAnimationState(machine->rootState()); + destroyedState->setAnimation(setupDestroyAnimation(this)); + + //Play a nice animation when the submarine is destroyed + moving->addTransition(this, SIGNAL(subMarineDestroyed()), destroyedState); + + //Transition to final state when the destroyed animation is finished + destroyedState->addTransition(destroyedState, SIGNAL(animationFinished()), final); + + //The machine has finished to be executed, then the submarine is dead + connect(machine,SIGNAL(finished()),this, SIGNAL(subMarineExecutionFinished())); + + machine->start(); +} + +int SubMarine::points() +{ + return subPoints; +} + +void SubMarine::setCurrentDirection(SubMarine::Movement direction) +{ + if (this->direction == direction) + return; + if (direction == SubMarine::Right && this->direction == SubMarine::None) { + setYRotation(180); + } + this->direction = direction; +} + +enum SubMarine::Movement SubMarine::currentDirection() const +{ + return direction; +} + +void SubMarine::setCurrentSpeed(int speed) +{ + if (speed < 0 || speed > 3) { + qWarning("SubMarine::setCurrentSpeed : The speed is invalid"); + } + this->speed = speed; + emit subMarineStateChanged(); +} + +int SubMarine::currentSpeed() const +{ + return speed; +} + +void SubMarine::launchTorpedo(int speed) +{ + Torpedo * torp = new Torpedo(); + GraphicsScene *scene = static_cast<GraphicsScene *>(this->scene()); + scene->addItem(torp); + torp->setPos(x(), y()); + torp->setCurrentSpeed(speed); + torp->launch(); +} + +void SubMarine::destroy() +{ + emit subMarineDestroyed(); +} + +int SubMarine::type() const +{ + return Type; +} |