Move sub-attaq from examples to demos because sub-attaq is a bit

too "advanced".

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();
+}
+