diff options
Diffstat (limited to 'examples/statemachine/tankgame')
-rw-r--r-- | examples/statemachine/tankgame/gameitem.cpp | 129 | ||||
-rw-r--r-- | examples/statemachine/tankgame/gameitem.h | 66 | ||||
-rw-r--r-- | examples/statemachine/tankgame/gameovertransition.cpp | 80 | ||||
-rw-r--r-- | examples/statemachine/tankgame/gameovertransition.h | 63 | ||||
-rw-r--r-- | examples/statemachine/tankgame/main.cpp | 53 | ||||
-rw-r--r-- | examples/statemachine/tankgame/mainwindow.cpp | 342 | ||||
-rw-r--r-- | examples/statemachine/tankgame/mainwindow.h | 93 | ||||
-rw-r--r-- | examples/statemachine/tankgame/plugin.h | 62 | ||||
-rw-r--r-- | examples/statemachine/tankgame/rocketitem.cpp | 101 | ||||
-rw-r--r-- | examples/statemachine/tankgame/rocketitem.h | 66 | ||||
-rw-r--r-- | examples/statemachine/tankgame/tankgame.pro | 19 | ||||
-rw-r--r-- | examples/statemachine/tankgame/tankitem.cpp | 302 | ||||
-rw-r--r-- | examples/statemachine/tankgame/tankitem.h | 109 |
13 files changed, 0 insertions, 1485 deletions
diff --git a/examples/statemachine/tankgame/gameitem.cpp b/examples/statemachine/tankgame/gameitem.cpp deleted file mode 100644 index 94affb4..0000000 --- a/examples/statemachine/tankgame/gameitem.cpp +++ /dev/null @@ -1,129 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "gameitem.h" - -#include <QGraphicsScene> -#include <QDebug> - -GameItem::GameItem(QObject *parent) : QObject(parent) -{ -} - -QPointF GameItem::tryMove(const QPointF &requestedPosition, QLineF *collidedLine, - QGraphicsItem **collidedItem) const -{ - QLineF movementPath(pos(), requestedPosition); - - qreal cannonLength = 0.0; - { - QPointF p1 = boundingRect().center(); - QPointF p2 = QPointF(boundingRect().right() + 10.0, p1.y()); - - cannonLength = QLineF(mapToScene(p1), mapToScene(p2)).length(); - } - - movementPath.setLength(movementPath.length() + cannonLength); - - QRectF boundingRectPath(QPointF(qMin(movementPath.x1(), movementPath.x2()), qMin(movementPath.y1(), movementPath.y2())), - QPointF(qMax(movementPath.x1(), movementPath.x2()), qMax(movementPath.y1(), movementPath.y2()))); - - QList<QGraphicsItem *> itemsInRect = scene()->items(boundingRectPath, Qt::IntersectsItemBoundingRect); - - QPointF nextPoint = requestedPosition; - QRectF sceneRect = scene()->sceneRect(); - - foreach (QGraphicsItem *item, itemsInRect) { - if (item == static_cast<const QGraphicsItem *>(this)) - continue; - - QPolygonF mappedBoundingRect = item->mapToScene(item->boundingRect()); - for (int i=0; i<mappedBoundingRect.size(); ++i) { - QPointF p1 = mappedBoundingRect.at(i == 0 ? mappedBoundingRect.size()-1 : i-1); - QPointF p2 = mappedBoundingRect.at(i); - - QLineF rectLine(p1, p2); - QPointF intersectionPoint; - QLineF::IntersectType intersectType = movementPath.intersect(rectLine, &intersectionPoint); - - if (intersectType == QLineF::BoundedIntersection) { - movementPath.setP2(intersectionPoint); - movementPath.setLength(movementPath.length() - cannonLength); - nextPoint = movementPath.p2(); - - if (collidedLine != 0) - *collidedLine = rectLine; - - if (collidedItem != 0) - *collidedItem = item; - } - } - } - - - // Don't go outside of map - if (nextPoint.x() < sceneRect.left()) { - nextPoint.rx() = sceneRect.left(); - if (collidedLine != 0) - *collidedLine = QLineF(scene()->sceneRect().topLeft(), scene()->sceneRect().bottomLeft()); - } - - if (nextPoint.x() > sceneRect.right()) { - nextPoint.rx() = sceneRect.right(); - if (collidedLine != 0) - *collidedLine = QLineF(scene()->sceneRect().topRight(), scene()->sceneRect().bottomRight()); - } - - if (nextPoint.y() < sceneRect.top()) { - nextPoint.ry() = sceneRect.top(); - if (collidedLine != 0) - *collidedLine = QLineF(scene()->sceneRect().topLeft(), scene()->sceneRect().topRight()); - } - - if (nextPoint.y() > sceneRect.bottom()) { - nextPoint.ry() = sceneRect.bottom(); - if (collidedLine != 0) - *collidedLine = QLineF(scene()->sceneRect().bottomLeft(), scene()->sceneRect().bottomRight()); - } - - return nextPoint; -} - diff --git a/examples/statemachine/tankgame/gameitem.h b/examples/statemachine/tankgame/gameitem.h deleted file mode 100644 index af012bb..0000000 --- a/examples/statemachine/tankgame/gameitem.h +++ /dev/null @@ -1,66 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GAMEITEM_H -#define GAMEITEM_H - -#include <QGraphicsItem> - -QT_BEGIN_NAMESPACE -class QLineF; -QT_END_NAMESPACE -class GameItem: public QObject, public QGraphicsItem -{ - Q_OBJECT -public: - enum { Type = UserType + 1 }; - int type() const { return Type; } - - GameItem(QObject *parent = 0); - - virtual void idle(qreal elapsed) = 0; - -protected: - QPointF tryMove(const QPointF &requestedPosition, QLineF *collidedLine = 0, - QGraphicsItem **collidedItem = 0) const; -}; - -#endif diff --git a/examples/statemachine/tankgame/gameovertransition.cpp b/examples/statemachine/tankgame/gameovertransition.cpp deleted file mode 100644 index 634fbce..0000000 --- a/examples/statemachine/tankgame/gameovertransition.cpp +++ /dev/null @@ -1,80 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "gameovertransition.h" -#include "tankitem.h" - -#include <QSignalEvent> -#include <QSignalMapper> - -GameOverTransition::GameOverTransition(QAbstractState *targetState) - : QSignalTransition(new QSignalMapper(), SIGNAL(mapped(QObject*))) -{ - setTargetState(targetState); - - QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject()); - mapper->setParent(this); -} - -void GameOverTransition::addTankItem(TankItem *tankItem) -{ - m_tankItems.append(tankItem); - - QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject()); - mapper->setMapping(tankItem, tankItem); - connect(tankItem, SIGNAL(aboutToBeDestroyed()), mapper, SLOT(map())); -} - -bool GameOverTransition::eventTest(QEvent *e) -{ - bool ret = QSignalTransition::eventTest(e); - - if (ret) { - QSignalEvent *signalEvent = static_cast<QSignalEvent *>(e); - QObject *sender = qvariant_cast<QObject *>(signalEvent->arguments().at(0)); - TankItem *tankItem = qobject_cast<TankItem *>(sender); - m_tankItems.removeAll(tankItem); - - return m_tankItems.size() <= 1; - } else { - return false; - } -} diff --git a/examples/statemachine/tankgame/gameovertransition.h b/examples/statemachine/tankgame/gameovertransition.h deleted file mode 100644 index e918359..0000000 --- a/examples/statemachine/tankgame/gameovertransition.h +++ /dev/null @@ -1,63 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GAMEOVERTRANSITION_H -#define GAMEOVERTRANSITION_H - -#include <QSignalTransition> - -class TankItem; -class GameOverTransition: public QSignalTransition -{ - Q_OBJECT -public: - GameOverTransition(QAbstractState *targetState); - - void addTankItem(TankItem *tankItem); - -protected: - bool eventTest(QEvent *event); - -private: - QList<TankItem *> m_tankItems; -}; - -#endif diff --git a/examples/statemachine/tankgame/main.cpp b/examples/statemachine/tankgame/main.cpp deleted file mode 100644 index 85e2747..0000000 --- a/examples/statemachine/tankgame/main.cpp +++ /dev/null @@ -1,53 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QApplication> -#include "mainwindow.h" - -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - - MainWindow mainWindow; - mainWindow.show(); - - return app.exec(); -} diff --git a/examples/statemachine/tankgame/mainwindow.cpp b/examples/statemachine/tankgame/mainwindow.cpp deleted file mode 100644 index 596cdfe..0000000 --- a/examples/statemachine/tankgame/mainwindow.cpp +++ /dev/null @@ -1,342 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "mainwindow.h" -#include "tankitem.h" -#include "rocketitem.h" -#include "plugin.h" -#include "gameovertransition.h" - -#include <QStateMachine> -#include <QGraphicsView> -#include <QAction> -#include <QMenuBar> -#include <QState> -#include <QHistoryState> -#include <QTimer> -#include <QFileDialog> -#include <QPluginLoader> -#include <QApplication> -#include <QInputDialog> -#include <QMessageBox> - -MainWindow::MainWindow(QWidget *parent) - : QMainWindow(parent), m_scene(0), m_machine(0), m_runningState(0), m_started(false) -{ - init(); -} - -MainWindow::~MainWindow() -{ -} - -void MainWindow::addWall(const QRectF &wall) -{ - QGraphicsRectItem *item = new QGraphicsRectItem; - item->setRect(wall); - item->setBrush(Qt::darkGreen); - item->setPen(QPen(Qt::black, 0)); - - m_scene->addItem(item); -} - -void MainWindow::init() -{ - setWindowTitle("Pluggable Tank Game"); - - QGraphicsView *view = new QGraphicsView(this); - view->setRenderHints(QPainter::Antialiasing); - setCentralWidget(view); - - m_scene = new QGraphicsScene(this); - view->setScene(m_scene); - - QRectF sceneRect = QRectF(-200.0, -200.0, 400.0, 400.0); - m_scene->setSceneRect(sceneRect); - - { - TankItem *item = new TankItem(this); - - item->setPos(m_scene->sceneRect().topLeft() + QPointF(30.0, 30.0)); - item->setDirection(45.0); - item->setColor(Qt::red); - - m_spawns.append(item); - } - - { - TankItem *item = new TankItem(this); - - item->setPos(m_scene->sceneRect().topRight() + QPointF(-30.0, 30.0)); - item->setDirection(135.0); - item->setColor(Qt::green); - - m_spawns.append(item); - } - - { - TankItem *item = new TankItem(this); - - item->setPos(m_scene->sceneRect().bottomRight() + QPointF(-30.0, -30.0)); - item->setDirection(225.0); - item->setColor(Qt::blue); - - m_spawns.append(item); - } - - { - TankItem *item = new TankItem(this); - - item->setPos(m_scene->sceneRect().bottomLeft() + QPointF(30.0, -30.0)); - item->setDirection(315.0); - item->setColor(Qt::yellow); - - m_spawns.append(item); - } - - QPointF centerOfMap = sceneRect.center(); - - addWall(QRectF(centerOfMap + QPointF(-50.0, -60.0), centerOfMap + QPointF(50.0, -50.0))); - addWall(QRectF(centerOfMap - QPointF(-50.0, -60.0), centerOfMap - QPointF(50.0, -50.0))); - addWall(QRectF(centerOfMap + QPointF(-50.0, -50.0), centerOfMap + QPointF(-40.0, 50.0))); - addWall(QRectF(centerOfMap - QPointF(-50.0, -50.0), centerOfMap - QPointF(-40.0, 50.0))); - - addWall(QRectF(sceneRect.topLeft() + QPointF(sceneRect.width() / 2.0 - 5.0, -10.0), - sceneRect.topLeft() + QPointF(sceneRect.width() / 2.0 + 5.0, 100.0))); - addWall(QRectF(sceneRect.bottomLeft() + QPointF(sceneRect.width() / 2.0 - 5.0, 10.0), - sceneRect.bottomLeft() + QPointF(sceneRect.width() / 2.0 + 5.0, -100.0))); - addWall(QRectF(sceneRect.topLeft() + QPointF(-10.0, sceneRect.height() / 2.0 - 5.0), - sceneRect.topLeft() + QPointF(100.0, sceneRect.height() / 2.0 + 5.0))); - addWall(QRectF(sceneRect.topRight() + QPointF(10.0, sceneRect.height() / 2.0 - 5.0), - sceneRect.topRight() + QPointF(-100.0, sceneRect.height() / 2.0 + 5.0))); - - - QAction *addTankAction = menuBar()->addAction("&Add tank"); - QAction *runGameAction = menuBar()->addAction("&Run game"); - runGameAction->setObjectName("runGameAction"); - QAction *stopGameAction = menuBar()->addAction("&Stop game"); - menuBar()->addSeparator(); - QAction *quitAction = menuBar()->addAction("&Quit"); - - connect(addTankAction, SIGNAL(triggered()), this, SLOT(addTank())); - connect(quitAction, SIGNAL(triggered()), this, SLOT(close())); - - m_machine = new QStateMachine(this); - QState *stoppedState = new QState(m_machine); - stoppedState->setObjectName("stoppedState"); - stoppedState->assignProperty(runGameAction, "enabled", true); - stoppedState->assignProperty(stopGameAction, "enabled", false); - stoppedState->assignProperty(this, "started", false); - m_machine->setInitialState(stoppedState); - -//! [5] - QState *spawnsAvailable = new QState(stoppedState); - spawnsAvailable->assignProperty(addTankAction, "enabled", true); - - QState *noSpawnsAvailable = new QState(stoppedState); - noSpawnsAvailable->assignProperty(addTankAction, "enabled", false); -//! [5] - spawnsAvailable->setObjectName("spawnsAvailable"); - noSpawnsAvailable->setObjectName("noSpawnsAvailable"); - - spawnsAvailable->addTransition(this, SIGNAL(mapFull()), noSpawnsAvailable); - -//! [3] - QHistoryState *hs = new QHistoryState(stoppedState); - hs->setDefaultState(spawnsAvailable); -//! [3] - hs->setObjectName("hs"); - - stoppedState->setInitialState(hs); - -//! [0] - m_runningState = new QState(QState::ParallelStates, m_machine); -//! [0] - m_runningState->setObjectName("runningState"); - m_runningState->assignProperty(addTankAction, "enabled", false); - m_runningState->assignProperty(runGameAction, "enabled", false); - m_runningState->assignProperty(stopGameAction, "enabled", true); - - QState *gameOverState = new QState(m_machine); - gameOverState->setObjectName("gameOverState"); - gameOverState->assignProperty(stopGameAction, "enabled", false); - connect(gameOverState, SIGNAL(entered()), this, SLOT(gameOver())); - - stoppedState->addTransition(runGameAction, SIGNAL(triggered()), m_runningState); - m_runningState->addTransition(stopGameAction, SIGNAL(triggered()), stoppedState); - - m_gameOverTransition = new GameOverTransition(gameOverState); - m_runningState->addTransition(m_gameOverTransition); - - QTimer *timer = new QTimer(this); - timer->setInterval(100); - connect(timer, SIGNAL(timeout()), this, SLOT(runStep())); - connect(m_runningState, SIGNAL(entered()), timer, SLOT(start())); - connect(m_runningState, SIGNAL(exited()), timer, SLOT(stop())); - - m_machine->start(); - m_time.start(); -} - -void MainWindow::runStep() -{ - if (!m_started) { - m_time.restart(); - m_started = true; - } else { - int elapsed = m_time.elapsed(); - if (elapsed > 0) { - m_time.restart(); - qreal elapsedSecs = elapsed / 1000.0; - QList<QGraphicsItem *> items = m_scene->items(); - foreach (QGraphicsItem *item, items) { - if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(item)) - gameItem->idle(elapsedSecs); - } - } - } -} - -void MainWindow::gameOver() -{ - QList<QGraphicsItem *> items = m_scene->items(); - - TankItem *lastTankStanding = 0; - foreach (QGraphicsItem *item, items) { - if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(item)) { - if ((lastTankStanding = qobject_cast<TankItem *>(gameItem)) != 0) - break; - } - } - - QMessageBox::information(this, "Game over!", - QString::fromLatin1("The tank played by '%1' has won!").arg(lastTankStanding->objectName())); -} - -void MainWindow::addRocket() -{ - TankItem *tankItem = qobject_cast<TankItem *>(sender()); - if (tankItem != 0) { - RocketItem *rocketItem = new RocketItem; - - QPointF s = tankItem->mapToScene(QPointF(tankItem->boundingRect().right() + 10.0, - tankItem->boundingRect().center().y())); - rocketItem->setPos(s); - rocketItem->setDirection(tankItem->direction()); - m_scene->addItem(rocketItem); - } -} - -void MainWindow::addTank() -{ - Q_ASSERT(!m_spawns.isEmpty()); - - QDir pluginsDir(qApp->applicationDirPath()); -#if defined(Q_OS_WIN) - if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release") - pluginsDir.cdUp(); -#elif defined(Q_OS_MAC) - if (pluginsDir.dirName() == "MacOS") { - pluginsDir.cdUp(); - pluginsDir.cdUp(); - pluginsDir.cdUp(); - } -#endif - - pluginsDir.cd("plugins"); - - QStringList itemNames; - QList<Plugin *> items; - foreach (QString fileName, pluginsDir.entryList(QDir::Files)) { - QPluginLoader loader(pluginsDir.absoluteFilePath(fileName)); - QObject *possiblePlugin = loader.instance(); - if (Plugin *plugin = qobject_cast<Plugin *>(possiblePlugin)) { - QString objectName = possiblePlugin->objectName(); - if (objectName.isEmpty()) - objectName = fileName; - - itemNames.append(objectName); - items.append(plugin); - } - } - - if (items.isEmpty()) { - QMessageBox::information(this, "No tank types found", "Please build the errorstateplugins directory"); - return; - } - - bool ok; -//! [1] - QString selectedName = QInputDialog::getItem(this, "Select a tank type", "Tank types", - itemNames, 0, false, &ok); -//! [1] - - if (ok && !selectedName.isEmpty()) { - int idx = itemNames.indexOf(selectedName); - if (Plugin *plugin = idx >= 0 ? items.at(idx) : 0) { - TankItem *tankItem = m_spawns.takeLast(); - tankItem->setObjectName(selectedName); - tankItem->setToolTip(selectedName); - m_scene->addItem(tankItem); - connect(tankItem, SIGNAL(cannonFired()), this, SLOT(addRocket())); - if (m_spawns.isEmpty()) - emit mapFull(); - - m_gameOverTransition->addTankItem(tankItem); - - QState *region = new QState(m_runningState); - region->setObjectName(QString::fromLatin1("region%1").arg(m_spawns.size())); -//! [2] - QState *pluginState = plugin->create(region, tankItem); -//! [2] - region->setInitialState(pluginState); - - // If the plugin has an error it is disabled -//! [4] - QState *errorState = new QState(region); - errorState->setObjectName(QString::fromLatin1("errorState%1").arg(m_spawns.size())); - errorState->assignProperty(tankItem, "enabled", false); - pluginState->setErrorState(errorState); -//! [4] - } - } -} - diff --git a/examples/statemachine/tankgame/mainwindow.h b/examples/statemachine/tankgame/mainwindow.h deleted file mode 100644 index d42b7ac..0000000 --- a/examples/statemachine/tankgame/mainwindow.h +++ /dev/null @@ -1,93 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef MAINWINDOW_H -#define MAINWINDOW_H - -#include <QMainWindow> -#include <QTime> - -QT_BEGIN_NAMESPACE -class QGraphicsScene; -class QStateMachine; -class QState; -QT_END_NAMESPACE -class GameOverTransition; -class TankItem; - -class MainWindow: public QMainWindow -{ - Q_OBJECT - Q_PROPERTY(bool started READ started WRITE setStarted) -public: - MainWindow(QWidget *parent = 0); - ~MainWindow(); - - void setStarted(bool b) { m_started = b; } - bool started() const { return m_started; } - -public slots: - void addTank(); - void addRocket(); - void runStep(); - void gameOver(); - -signals: - void mapFull(); - -private: - void init(); - void addWall(const QRectF &wall); - - QGraphicsScene *m_scene; - - QStateMachine *m_machine; - QState *m_runningState; - GameOverTransition *m_gameOverTransition; - - QList<TankItem *> m_spawns; - QTime m_time; - - bool m_started : 1; -}; - -#endif - diff --git a/examples/statemachine/tankgame/plugin.h b/examples/statemachine/tankgame/plugin.h deleted file mode 100644 index 97e4640..0000000 --- a/examples/statemachine/tankgame/plugin.h +++ /dev/null @@ -1,62 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef PLUGIN_H -#define PLUGIN_H - -#include <QtPlugin> - -QT_BEGIN_NAMESPACE -class QState; -QT_END_NAMESPACE -class Plugin -{ -public: - virtual ~Plugin() {} - - virtual QState *create(QState *parentState, QObject *tank) = 0; -}; - -QT_BEGIN_NAMESPACE -Q_DECLARE_INTERFACE(Plugin, "TankPlugin") -QT_END_NAMESPACE - -#endif diff --git a/examples/statemachine/tankgame/rocketitem.cpp b/examples/statemachine/tankgame/rocketitem.cpp deleted file mode 100644 index d286e5d..0000000 --- a/examples/statemachine/tankgame/rocketitem.cpp +++ /dev/null @@ -1,101 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "rocketitem.h" -#include "tankitem.h" - -#include <QPainter> -#include <QGraphicsScene> - -#include <math.h> - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -RocketItem::RocketItem(QObject *parent) - : GameItem(parent), m_direction(0.0), m_distance(300.0) -{ -} - -QRectF RocketItem::boundingRect() const -{ - return QRectF(-1.0, -1.0, 2.0, 2.0); -} - -void RocketItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) -{ - painter->setBrush(Qt::black); - painter->drawEllipse(boundingRect()); -} - -void RocketItem::idle(qreal elapsed) -{ - qreal dist = elapsed * speed(); - - m_distance -= dist; - if (m_distance < 0.0) { - scene()->removeItem(this); - delete this; - return; - } - - qreal a = m_direction * M_PI / 180.0; - - qreal yd = dist * sin(a); - qreal xd = dist * sin(M_PI / 2.0 - a); - - QPointF requestedPosition = pos() + QPointF(xd, yd); - QGraphicsItem *collidedItem = 0; - QPointF nextPosition = tryMove(requestedPosition, 0, &collidedItem); - if (requestedPosition == nextPosition) { - setPos(nextPosition); - } else { - if (GameItem *gameItem = qgraphicsitem_cast<GameItem *>(collidedItem)) { - TankItem *tankItem = qobject_cast<TankItem *>(gameItem); - if (tankItem != 0) - tankItem->hitByRocket(); - } - - scene()->removeItem(this); - delete this; - } -} diff --git a/examples/statemachine/tankgame/rocketitem.h b/examples/statemachine/tankgame/rocketitem.h deleted file mode 100644 index a485d03..0000000 --- a/examples/statemachine/tankgame/rocketitem.h +++ /dev/null @@ -1,66 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef ROCKETITEM_H -#define ROCKETITEM_H - -#include "gameitem.h" - -class RocketItem: public GameItem -{ - Q_OBJECT -public: - RocketItem(QObject *parent = 0); - - virtual void idle(qreal elapsed); - qreal speed() const { return 100.0; } - void setDirection(qreal direction) { m_direction = direction; } - -protected: - virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); - QRectF boundingRect() const; - -private: - qreal m_direction; - qreal m_distance; -}; - -#endif diff --git a/examples/statemachine/tankgame/tankgame.pro b/examples/statemachine/tankgame/tankgame.pro deleted file mode 100644 index 59415be..0000000 --- a/examples/statemachine/tankgame/tankgame.pro +++ /dev/null @@ -1,19 +0,0 @@ -HEADERS += mainwindow.h \ - plugin.h \ - tankitem.h \ - rocketitem.h \ - gameitem.h \ - gameovertransition.h -SOURCES += main.cpp \ - mainwindow.cpp \ - tankitem.cpp \ - rocketitem.cpp \ - gameitem.cpp \ - gameovertransition.cpp -CONFIG += console - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame -sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS tankgame.pro -sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/tankgame -INSTALLS += target sources diff --git a/examples/statemachine/tankgame/tankitem.cpp b/examples/statemachine/tankgame/tankitem.cpp deleted file mode 100644 index 192b272..0000000 --- a/examples/statemachine/tankgame/tankitem.cpp +++ /dev/null @@ -1,302 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "tankitem.h" - -#include <QPainter> -#include <QGraphicsScene> -#include <QDebug> - -#include <math.h> - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -class Action -{ -public: - Action(TankItem *item) : m_item(item) - { - } - - TankItem *item() const { return m_item; } - void setItem(TankItem *item) { m_item = item; } - - virtual bool apply(qreal timeDelta) = 0; - -private: - TankItem *m_item; -}; - -class MoveAction: public Action -{ -public: - MoveAction(TankItem *item, qreal distance) - : Action(item), m_distance(distance) - { - m_reverse = m_distance < 0.0; - } - - bool apply(qreal timeDelta) - { - qreal dist = timeDelta * item()->speed() * (m_reverse ? -1.0 : 1.0); - - bool done = false; - if (qAbs(m_distance) < qAbs(dist)) { - done = true; - dist = m_distance; - } - m_distance -= dist; - - qreal a = item()->direction() * M_PI / 180.0; - - qreal yd = dist * sin(a); - qreal xd = dist * sin(M_PI / 2.0 - a); - - item()->setPos(item()->pos() + QPointF(xd, yd)); - return !done; - } - -private: - qreal m_distance; - bool m_reverse; -}; - -class TurnAction: public Action -{ -public: - TurnAction(TankItem *item, qreal distance) - : Action(item), m_distance(distance) - { - m_reverse = m_distance < 0.0; - } - - bool apply(qreal timeDelta) - { - qreal dist = timeDelta * item()->angularSpeed() * (m_reverse ? -1.0 : 1.0); - bool done = false; - if (qAbs(m_distance) < qAbs(dist)) { - done = true; - dist = m_distance; - } - m_distance -= dist; - - item()->setDirection(item()->direction() + dist); - return !done; - } - -private: - qreal m_distance; - bool m_reverse; -}; - -TankItem::TankItem(QObject *parent) - : GameItem(parent), m_currentAction(0), m_currentDirection(0.0), m_enabled(true) -{ - connect(this, SIGNAL(cannonFired()), this, SIGNAL(actionCompleted())); -} - -void TankItem::idle(qreal elapsed) -{ - if (m_enabled) { - if (m_currentAction != 0) { - if (!m_currentAction->apply(elapsed)) { - setAction(0); - emit actionCompleted(); - } - - QGraphicsItem *item = 0; - qreal distance = distanceToObstacle(&item); - if (TankItem *tankItem = qgraphicsitem_cast<TankItem *>(item)) - emit tankSpotted(tankItem->direction(), distance); - } - } -} - -void TankItem::hitByRocket() -{ - emit aboutToBeDestroyed(); - deleteLater(); -} - -void TankItem::setAction(Action *newAction) -{ - if (m_currentAction != 0) - delete m_currentAction; - - m_currentAction = newAction; -} - -void TankItem::fireCannon() -{ - emit cannonFired(); -} - -void TankItem::moveForwards(qreal length) -{ - setAction(new MoveAction(this, length)); -} - -void TankItem::moveBackwards(qreal length) -{ - setAction(new MoveAction(this, -length)); -} - -void TankItem::turn(qreal degrees) -{ - setAction(new TurnAction(this, degrees)); -} - -void TankItem::turnTo(qreal degrees) -{ - setAction(new TurnAction(this, degrees - direction())); -} - -void TankItem::stop() -{ - setAction(0); -} - -QVariant TankItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) -{ - if (change == ItemPositionChange && scene()) { - QPointF requestedPosition = value.toPointF(); - QLineF collidedLine; - QPointF nextPoint = tryMove(requestedPosition, &collidedLine); - if (nextPoint != requestedPosition) - emit collision(collidedLine); - return nextPoint; - } else { - return QGraphicsItem::itemChange(change, value); - } -} - - -void TankItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) -{ - QRectF brect = boundingRect(); - - painter->setBrush(m_color); - painter->setPen(Qt::black); - - // body - painter->drawRect(brect.adjusted(0.0, 4.0, -2.0, -4.0)); - - // cannon - QRectF cannonBase = brect.adjusted(10.0, 6.0, -12.0, -6.0); - painter->drawEllipse(cannonBase); - - painter->drawRect(QRectF(QPointF(cannonBase.center().x(), cannonBase.center().y() - 2.0), - QPointF(brect.right(), cannonBase.center().y() + 2.0))); - - // left track - painter->setBrush(QBrush(Qt::black, Qt::VerPattern)); - QRectF leftTrackRect = QRectF(brect.topLeft(), QPointF(brect.right() - 2.0, brect.top() + 4.0)); - painter->fillRect(leftTrackRect, Qt::darkYellow); - painter->drawRect(leftTrackRect); - - // right track - QRectF rightTrackRect = QRectF(QPointF(brect.left(), brect.bottom() - 4.0), - QPointF(brect.right() - 2.0, brect.bottom())); - painter->fillRect(rightTrackRect, Qt::darkYellow); - painter->drawRect(rightTrackRect); - - if (!m_enabled) { - painter->setPen(QPen(Qt::red, 5)); - - painter->drawEllipse(brect); - - QPainterPath path; - path.addEllipse(brect); - painter->setClipPath(path); - painter->drawLine(brect.topRight(), brect.bottomLeft()); - } -} - -QRectF TankItem::boundingRect() const -{ - return QRectF(-20.0, -10.0, 40.0, 20.0); -} - -qreal TankItem::direction() const -{ - return m_currentDirection; -} - -void TankItem::setDirection(qreal newDirection) -{ - int fullRotations = int(newDirection) / 360; - newDirection -= fullRotations * 360.0; - - qreal diff = newDirection - m_currentDirection; - m_currentDirection = newDirection; - rotate(diff); -} - -qreal TankItem::distanceToObstacle(QGraphicsItem **obstacle) const -{ - qreal dist = sqrt(pow(scene()->sceneRect().width(), 2) + pow(scene()->sceneRect().height(), 2)); - - qreal a = m_currentDirection * M_PI / 180.0; - - qreal yd = dist * sin(a); - qreal xd = dist * sin(M_PI / 2.0 - a); - - QPointF requestedPosition = pos() + QPointF(xd, yd); - QGraphicsItem *collidedItem = 0; - QPointF nextPosition = tryMove(requestedPosition, 0, &collidedItem); - if (collidedItem != 0) { - if (obstacle != 0) - *obstacle = collidedItem; - - QPointF d = nextPosition - pos(); - return sqrt(pow(d.x(), 2) + pow(d.y(), 2)); - } else { - return 0.0; - } -} - -qreal TankItem::distanceToObstacle() const -{ - return distanceToObstacle(0); -} - diff --git a/examples/statemachine/tankgame/tankitem.h b/examples/statemachine/tankgame/tankitem.h deleted file mode 100644 index a2f72de..0000000 --- a/examples/statemachine/tankgame/tankitem.h +++ /dev/null @@ -1,109 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef TANKITEM_H -#define TANKITEM_H - -#include "gameitem.h" - -#include <QColor> - -class Action; -class TankItem: public GameItem -{ - Q_OBJECT - Q_PROPERTY(bool enabled READ enabled WRITE setEnabled) - Q_PROPERTY(qreal direction READ direction WRITE turnTo) - Q_PROPERTY(qreal distanceToObstacle READ distanceToObstacle) -public: - TankItem(QObject *parent = 0); - - void setColor(const QColor &color) { m_color = color; } - QColor color() const { return m_color; } - - void idle(qreal elapsed); - void setDirection(qreal newDirection); - - qreal speed() const { return 90.0; } - qreal angularSpeed() const { return 90.0; } - - QRectF boundingRect() const; - - void hitByRocket(); - - void setEnabled(bool b) { m_enabled = b; } - bool enabled() const { return m_enabled; } - - qreal direction() const; - qreal distanceToObstacle() const; - qreal distanceToObstacle(QGraphicsItem **item) const; - -//! [0] -signals: - void tankSpotted(qreal direction, qreal distance); - void collision(const QLineF &collidedLine); - void actionCompleted(); - void cannonFired(); - void aboutToBeDestroyed(); - -public slots: - void moveForwards(qreal length = 10.0); - void moveBackwards(qreal length = 10.0); - void turn(qreal degrees = 30.0); - void turnTo(qreal degrees = 0.0); - void stop(); - void fireCannon(); -//! [0] - -protected: - virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); - QVariant itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value); - -private: - void setAction(Action *newAction); - - Action *m_currentAction; - qreal m_currentDirection; - QColor m_color; - bool m_enabled; -}; - -#endif |