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Diffstat (limited to 'examples/widgets/animation/sub-attaq/graphicsscene.cpp')
| -rw-r--r-- | examples/widgets/animation/sub-attaq/graphicsscene.cpp | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/examples/widgets/animation/sub-attaq/graphicsscene.cpp b/examples/widgets/animation/sub-attaq/graphicsscene.cpp new file mode 100644 index 0000000000..a2b3e2f101 --- /dev/null +++ b/examples/widgets/animation/sub-attaq/graphicsscene.cpp @@ -0,0 +1,282 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//Own +#include "graphicsscene.h" +#include "states.h" +#include "boat.h" +#include "submarine.h" +#include "torpedo.h" +#include "bomb.h" +#include "pixmapitem.h" +#include "animationmanager.h" +#include "qanimationstate.h" +#include "progressitem.h" +#include "textinformationitem.h" + +//Qt +#include <QtCore/QPropertyAnimation> +#include <QtCore/QSequentialAnimationGroup> +#include <QtCore/QParallelAnimationGroup> +#include <QtCore/QStateMachine> +#include <QtCore/QFinalState> +#include <QtCore/QPauseAnimation> +#include <QtWidgets/QAction> +#include <QtCore/QDir> +#include <QtWidgets/QApplication> +#include <QtWidgets/QMessageBox> +#include <QtWidgets/QGraphicsView> +#include <QtWidgets/QGraphicsSceneMouseEvent> +#include <QtCore/QXmlStreamReader> + +GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode) + : QGraphicsScene(x , y, width, height), mode(mode), boat(new Boat) +{ + PixmapItem *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); + + textInformationItem = new TextInformationItem(backgroundItem); + textInformationItem->hide(); + //We create the 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); + } else if (reader.name() == "level") { + currentLevel.id = reader.attributes().value("id").toString().toInt(); + currentLevel.name = reader.attributes().value("name").toString(); + } else if (reader.name() == "subinstance") { + currentLevel.submarines.append(qMakePair(reader.attributes().value("type").toString().toInt(), reader.attributes().value("nb").toString().toInt())); + } + } else if (reader.tokenType() == QXmlStreamReader::EndElement) { + if (reader.name() == "level") { + levelsData.insert(currentLevel.id, currentLevel); + currentLevel.submarines.clear(); + } + } + } +} + +qreal GraphicsScene::sealLevel() const +{ + return (mode == Big) ? 220 : 160; +} + +void GraphicsScene::setupScene(QAction *newAction, QAction *quitAction) +{ + static const int nLetters = 10; + static struct { + char const *pix; + qreal initX, initY; + qreal destX, destY; + } logoData[nLetters] = { + {"s", -1000, -1000, 300, 150 }, + {"u", -800, -1000, 350, 150 }, + {"b", -600, -1000, 400, 120 }, + {"dash", -400, -1000, 460, 150 }, + {"a", 1000, 2000, 350, 250 }, + {"t", 800, 2000, 400, 250 }, + {"t2", 600, 2000, 430, 250 }, + {"a2", 400, 2000, 465, 250 }, + {"q", 200, 2000, 510, 250 }, + {"excl", 0, 2000, 570, 220 } }; + + QSequentialAnimationGroup * lettersGroupMoving = new QSequentialAnimationGroup(this); + QParallelAnimationGroup * lettersGroupFading = new QParallelAnimationGroup(this); + + for (int i = 0; i < nLetters; ++i) { + PixmapItem *logo = new PixmapItem(QLatin1String(":/logo-") + logoData[i].pix, this); + logo->setPos(logoData[i].initX, logoData[i].initY); + logo->setZValue(i + 3); + //creation of the animations for moving letters + QPropertyAnimation *moveAnim = new QPropertyAnimation(logo, "pos", lettersGroupMoving); + moveAnim->setEndValue(QPointF(logoData[i].destX, logoData[i].destY)); + moveAnim->setDuration(200); + moveAnim->setEasingCurve(QEasingCurve::OutElastic); + lettersGroupMoving->addPause(50); + //creation of the animations for fading out the letters + QPropertyAnimation *fadeAnim = new QPropertyAnimation(logo, "opacity", lettersGroupFading); + fadeAnim->setDuration(800); + fadeAnim->setEndValue(0); + fadeAnim->setEasingCurve(QEasingCurve::OutQuad); + } + + 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()), qApp, SLOT(quit())); +} + +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::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(); +} + +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(); + boat->setEnabled(true); +} |