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Diffstat (limited to 'demos/sub-attaq/graphicsscene.cpp')
| -rw-r--r-- | demos/sub-attaq/graphicsscene.cpp | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/demos/sub-attaq/graphicsscene.cpp b/demos/sub-attaq/graphicsscene.cpp new file mode 100644 index 0000000..fcbc1b3 --- /dev/null +++ b/demos/sub-attaq/graphicsscene.cpp @@ -0,0 +1,374 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (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 http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//Own +#include "graphicsscene.h" +#include "states.h" +#include "boat.h" +#include "submarine.h" +#include "torpedo.h" +#include "bomb.h" +#include "pixmapitem.h" +#include "custompropertyanimation.h" +#include "animationmanager.h" +#include "qanimationstate.h" +#include "progressitem.h" + +//Qt +#include <QtCore/QPropertyAnimation> +#include <QtCore/QSequentialAnimationGroup> +#include <QtCore/QParallelAnimationGroup> +#include <QtCore/QStateMachine> +#include <QtCore/QFinalState> +#include <QtCore/QPauseAnimation> +#include <QtGui/QAction> +#include <QtCore/QDir> +#include <QtGui/QApplication> +#include <QtGui/QMessageBox> +#include <QtGui/QGraphicsView> +#include <QtGui/QGraphicsSceneMouseEvent> +#include <QtCore/QXmlStreamReader> + +//helper function that creates an animation for position and inserts it into group +static CustomPropertyAnimation *addGraphicsItemPosAnimation(QSequentialAnimationGroup *group, + QGraphicsItem *item, const QPointF &endPos) +{ + CustomPropertyAnimation *ret = new CustomPropertyAnimation(group); + ret->setMemberFunctions(item, &QGraphicsItem::pos, &QGraphicsItem::setPos); + ret->setEndValue(endPos); + ret->setDuration(200); + ret->setEasingCurve(QEasingCurve::OutElastic); + group->addPause(50); + return ret; +} + +//helper function that creates an animation for opacity and inserts it into group +static void addGraphicsItemFadeoutAnimation(QAnimationGroup *group, QGraphicsItem *item) +{ +#if QT_VERSION >=0x040500 + CustomPropertyAnimation *anim = new CustomPropertyAnimation(group); + anim->setMemberFunctions(item, &QGraphicsItem::opacity, &QGraphicsItem::setOpacity); + anim->setDuration(800); + anim->setEndValue(0); + anim->setEasingCurve(QEasingCurve::OutQuad); +#else + // work around for a bug where we don't transition if the duration is zero. + QtPauseAnimation *anim = new QtPauseAnimation(group); + anim->setDuration(1); +#endif +} + +GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode) + : QGraphicsScene(x,y,width,height), mode(mode), newAction(0), quitAction(0), boat(0) +{ + backgroundItem = new PixmapItem(QString("background"),mode); + backgroundItem->setZValue(1); + backgroundItem->setPos(0,0); + addItem(backgroundItem); + + PixmapItem *surfaceItem = new PixmapItem(QString("surface"),mode); + surfaceItem->setZValue(3); + surfaceItem->setPos(0,sealLevel() - surfaceItem->boundingRect().height()/2); + addItem(surfaceItem); + + //The item that display score and level + progressItem = new ProgressItem(backgroundItem); + + //We create the boat + boat = new Boat(); + addItem(boat); + boat->setPos(this->width()/2, sealLevel() - boat->size().height()); + boat->hide(); + + //parse the xml that contain all data of the game + QXmlStreamReader reader; + QFile file(":data.xml"); + file.open(QIODevice::ReadOnly); + reader.setDevice(&file); + LevelDescription currentLevel; + while (!reader.atEnd()) { + reader.readNext(); + if (reader.tokenType() == QXmlStreamReader::StartElement) { + if (reader.name() == "submarine") + { + SubmarineDescription desc; + desc.name = reader.attributes().value("name").toString(); + desc.points = reader.attributes().value("points").toString().toInt(); + desc.type = reader.attributes().value("type").toString().toInt(); + submarinesData.append(desc); + } + if (reader.name() == "level") + { + currentLevel.id = reader.attributes().value("id").toString().toInt(); + currentLevel.name = reader.attributes().value("name").toString(); + } + if (reader.name() == "subinstance") + { + currentLevel.submarines.append(qMakePair(reader.attributes().value("type").toString().toInt(),reader.attributes().value("nb").toString().toInt())); + } + } + if (reader.tokenType() == QXmlStreamReader::EndElement) { + if (reader.name() == "level") + { + levelsData.insert(currentLevel.id,currentLevel); + currentLevel.submarines.clear(); + } + } + } +} + +qreal GraphicsScene::sealLevel() const +{ + if (mode == Big) + return 220; + else + return 160; +} + +void GraphicsScene::setupScene(const QList<QAction *> &actions) +{ + newAction = actions.at(0); + quitAction = actions.at(1); + + QGraphicsItem *logo_s = addWelcomeItem(QPixmap(":/logo-s")); + QGraphicsItem *logo_u = addWelcomeItem(QPixmap(":/logo-u")); + QGraphicsItem *logo_b = addWelcomeItem(QPixmap(":/logo-b")); + QGraphicsItem *logo_dash = addWelcomeItem(QPixmap(":/logo-dash")); + QGraphicsItem *logo_a = addWelcomeItem(QPixmap(":/logo-a")); + QGraphicsItem *logo_t = addWelcomeItem(QPixmap(":/logo-t")); + QGraphicsItem *logo_t2 = addWelcomeItem(QPixmap(":/logo-t2")); + QGraphicsItem *logo_a2 = addWelcomeItem(QPixmap(":/logo-a2")); + QGraphicsItem *logo_q = addWelcomeItem(QPixmap(":/logo-q")); + QGraphicsItem *logo_excl = addWelcomeItem(QPixmap(":/logo-excl")); + logo_s->setZValue(3); + logo_u->setZValue(4); + logo_b->setZValue(5); + logo_dash->setZValue(6); + logo_a->setZValue(7); + logo_t->setZValue(8); + logo_t2->setZValue(9); + logo_a2->setZValue(10); + logo_q->setZValue(11); + logo_excl->setZValue(12); + logo_s->setPos(QPointF(-1000, -1000)); + logo_u->setPos(QPointF(-800, -1000)); + logo_b->setPos(QPointF(-600, -1000)); + logo_dash->setPos(QPointF(-400, -1000)); + logo_a->setPos(QPointF(1000, 2000)); + logo_t->setPos(QPointF(800, 2000)); + logo_t2->setPos(QPointF(600, 2000)); + logo_a2->setPos(QPointF(400, 2000)); + logo_q->setPos(QPointF(200, 2000)); + logo_excl->setPos(QPointF(0, 2000)); + + QSequentialAnimationGroup * lettersGroupMoving = new QSequentialAnimationGroup(this); + QParallelAnimationGroup * lettersGroupFading = new QParallelAnimationGroup(this); + + //creation of the animations for moving letters + addGraphicsItemPosAnimation(lettersGroupMoving, logo_s, QPointF(300, 150)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_u, QPointF(350, 150)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_b, QPointF(400, 120)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_dash, QPointF(460, 150)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_a, QPointF(350, 250)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_t, QPointF(400, 250)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_t2, QPointF(430, 250)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_a2, QPointF(465, 250)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_q, QPointF(510, 250)); + addGraphicsItemPosAnimation(lettersGroupMoving, logo_excl, QPointF(570, 220)); + + //creation of the animations for fading out the letters + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_s); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_u); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_b); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_dash); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_a); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_t); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_t2); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_a2); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_q); + addGraphicsItemFadeoutAnimation(lettersGroupFading, logo_excl); + connect(lettersGroupFading, SIGNAL(finished()), this, SLOT(onIntroAnimationFinished())); + + QStateMachine *machine = new QStateMachine(this); + + //This state is when the player is playing + PlayState *gameState = new PlayState(this,machine); + + //Final state + QFinalState *final = new QFinalState(machine); + + //Animation when the player enter in the game + QAnimationState *lettersMovingState = new QAnimationState(machine); + lettersMovingState->setAnimation(lettersGroupMoving); + + //Animation when the welcome screen disappear + QAnimationState *lettersFadingState = new QAnimationState(machine); + lettersFadingState->setAnimation(lettersGroupFading); + + //if new game then we fade out the welcome screen and start playing + lettersMovingState->addTransition(newAction, SIGNAL(triggered()),lettersFadingState); + lettersFadingState->addTransition(lettersFadingState, SIGNAL(animationFinished()),gameState); + + //New Game is triggered then player start playing + gameState->addTransition(newAction, SIGNAL(triggered()),gameState); + + //Wanna quit, then connect to CTRL+Q + gameState->addTransition(quitAction, SIGNAL(triggered()),final); + lettersMovingState->addTransition(quitAction, SIGNAL(triggered()),final); + + //Welcome screen is the initial state + machine->setInitialState(lettersMovingState); + + machine->start(); + + //We reach the final state, then we quit + connect(machine,SIGNAL(finished()),this, SLOT(onQuitGameTriggered())); +} + +void GraphicsScene::addItem(Bomb *bomb) +{ + bombs.insert(bomb); + connect(bomb,SIGNAL(bombExecutionFinished()),this, SLOT(onBombExecutionFinished())); + QGraphicsScene::addItem(bomb); +} + +void GraphicsScene::addItem(Torpedo *torpedo) +{ + torpedos.insert(torpedo); + connect(torpedo,SIGNAL(torpedoExecutionFinished()),this, SLOT(onTorpedoExecutionFinished())); + QGraphicsScene::addItem(torpedo); +} + +void GraphicsScene::addItem(SubMarine *submarine) +{ + submarines.insert(submarine); + connect(submarine,SIGNAL(subMarineExecutionFinished()),this, SLOT(onSubMarineExecutionFinished())); + QGraphicsScene::addItem(submarine); +} + +void GraphicsScene::addItem(QGraphicsItem *item) +{ + QGraphicsScene::addItem(item); +} + +void GraphicsScene::mousePressEvent (QGraphicsSceneMouseEvent * event) +{ + event->ignore(); +} + +void GraphicsScene::onQuitGameTriggered() +{ + qApp->closeAllWindows(); +} + +void GraphicsScene::onBombExecutionFinished() +{ + Bomb *bomb = qobject_cast<Bomb *>(sender()); + bombs.remove(bomb); + bomb->deleteLater(); + if (boat) + boat->setBombsLaunched(boat->bombsLaunched() - 1); +} + +void GraphicsScene::onTorpedoExecutionFinished() +{ + Torpedo *torpedo = qobject_cast<Torpedo *>(sender()); + torpedos.remove(torpedo); + torpedo->deleteLater(); +} + +void GraphicsScene::onSubMarineExecutionFinished() +{ + SubMarine *submarine = qobject_cast<SubMarine *>(sender()); + submarines.remove(submarine); + if (submarines.count() == 0) { + emit allSubMarineDestroyed(submarine->points()); + } else { + emit subMarineDestroyed(submarine->points()); + } + submarine->deleteLater(); +} + +int GraphicsScene::remainingSubMarines() const +{ + return submarines.count(); +} + +void GraphicsScene::clearScene() +{ + foreach (SubMarine *sub,submarines) { + sub->destroy(); + sub->deleteLater(); + } + + foreach (Torpedo *torpedo,torpedos) { + torpedo->destroy(); + torpedo->deleteLater(); + } + + foreach (Bomb *bomb,bombs) { + bomb->destroy(); + bomb->deleteLater(); + } + + submarines.clear(); + bombs.clear(); + torpedos.clear(); + + AnimationManager::self()->unregisterAllAnimations(); + + boat->stop(); + boat->hide(); +} + +QGraphicsPixmapItem *GraphicsScene::addWelcomeItem(const QPixmap &pm) +{ + QGraphicsPixmapItem *item = addPixmap(pm); + welcomeItems << item; + return item; +} + +void GraphicsScene::onIntroAnimationFinished() +{ + qDeleteAll(welcomeItems); + welcomeItems.clear(); +} + |