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diff --git a/examples/statemachine/tankgameplugins/seek_ai/seek_ai.h b/examples/statemachine/tankgameplugins/seek_ai/seek_ai.h
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-/****************************************************************************
-**
-** 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 SEEK_AI_H
-#define SEEK_AI_H
-
-#include <tankgame/plugin.h>
-
-#include <QState>
-#include <QFinalState>
-#include <QSignalTransition>
-#include <QSignalEvent>
-#include <QVariant>
-#include <QLineF>
-#include <QDebug>
-
-class SearchState: public QState
-{
- Q_OBJECT
-public:
- SearchState(QObject *tank, QState *parentState = 0)
- : QState(parentState),
- m_tank(tank),
- m_distanceToTurn(360.0),
- m_nearestDistance(-1.0),
- m_directionOfNearestObstacle(0.0)
- {
- }
-
-public slots:
- void turnAlittle()
- {
- qreal dist = m_tank->property("distanceToObstacle").toDouble();
-
- if (m_nearestDistance < 0.0 || dist < m_nearestDistance) {
- m_nearestDistance = dist;
- m_directionOfNearestObstacle = m_tank->property("direction").toDouble();
- }
-
- m_distanceToTurn -= 10.0;
- if (m_distanceToTurn < 0.0) {
- disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
- connect(m_tank, SIGNAL(actionCompleted()), this, SIGNAL(nearestObstacleStraightAhead()));
- m_tank->setProperty("direction", m_directionOfNearestObstacle);
- }
-
- qreal currentDirection = m_tank->property("direction").toDouble();
- m_tank->setProperty("direction", currentDirection + 10.0);
- }
-
-signals:
- void nearestObstacleStraightAhead();
-
-protected:
- void onEntry(QEvent *)
- {
- connect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
- turnAlittle();
- }
-
- void onExit(QEvent *)
- {
- disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(turnAlittle()));
- disconnect(m_tank, SIGNAL(actionCompleted()), this, SLOT(nearestObstacleStraightAhead()));
- }
-
-private:
- QObject *m_tank;
-
- qreal m_distanceToTurn;
- qreal m_nearestDistance;
- qreal m_directionOfNearestObstacle;
-};
-
-class CollisionTransition: public QSignalTransition
-{
-public:
- CollisionTransition(QObject *tank, QState *turnTo)
- : QSignalTransition(tank, SIGNAL(collision(QLineF))),
- m_tank(tank),
- m_turnTo(turnTo)
- {
- setTargetState(turnTo);
- }
-
-protected:
- bool eventTest(QEvent *event)
- {
- bool b = QSignalTransition::eventTest(event);
- if (b) {
- QSignalEvent *se = static_cast<QSignalEvent *>(event);
- m_lastLine = se->arguments().at(0).toLineF();
- }
- return b;
- }
-
- void onTransition(QEvent *)
- {
- qreal angleOfWall = m_lastLine.angle();
-
- qreal newDirection;
- if (qrand() % 2 == 0)
- newDirection = angleOfWall;
- else
- newDirection = angleOfWall - 180.0;
-
- m_turnTo->assignProperty(m_tank, "direction", newDirection);
- }
-
-private:
- QLineF m_lastLine;
- QObject *m_tank;
- QState *m_turnTo;
-};
-
-class ChaseState: public QState
-{
- class GoToLocationState: public QState
- {
- public:
- GoToLocationState(QObject *tank, QState *parentState = 0)
- : QState(parentState), m_tank(tank), m_distance(0.0)
- {
- }
-
- void setDistance(qreal distance) { m_distance = distance; }
-
- protected:
- void onEntry()
- {
- QMetaObject::invokeMethod(m_tank, "moveForwards", Q_ARG(qreal, m_distance));
- }
-
- private:
- QObject *m_tank;
- qreal m_distance;
- };
-
-public:
- ChaseState(QObject *tank, QState *parentState = 0) : QState(parentState), m_tank(tank)
- {
- QState *fireCannon = new QState(this);
- fireCannon->setObjectName("fireCannon");
- connect(fireCannon, SIGNAL(entered()), tank, SLOT(fireCannon()));
- setInitialState(fireCannon);
-
- m_goToLocation = new GoToLocationState(tank, this);
- m_goToLocation->setObjectName("goToLocation");
- fireCannon->addTransition(tank, SIGNAL(actionCompleted()), m_goToLocation);
-
- m_turnToDirection = new QState(this);
- m_turnToDirection->setObjectName("turnToDirection");
- m_goToLocation->addTransition(tank, SIGNAL(actionCompleted()), m_turnToDirection);
-
- QFinalState *finalState = new QFinalState(this);
- finalState->setObjectName("finalState");
- m_turnToDirection->addTransition(tank, SIGNAL(actionCompleted()), finalState);
- }
-
- void setDirection(qreal direction)
- {
- m_turnToDirection->assignProperty(m_tank, "direction", direction);
- }
-
- void setDistance(qreal distance)
- {
- m_goToLocation->setDistance(distance);
- }
-
-private:
- QObject *m_tank;
- GoToLocationState *m_goToLocation;
- QState *m_turnToDirection;
-
-};
-
-class TankSpottedTransition: public QSignalTransition
-{
-public:
- TankSpottedTransition(QObject *tank, ChaseState *target) : QSignalTransition(tank, SIGNAL(tankSpotted(qreal,qreal))), m_chase(target)
- {
- setTargetState(target);
- }
-
-protected:
- bool eventTest(QEvent *event)
- {
- bool b = QSignalTransition::eventTest(event);
- if (b) {
- QSignalEvent *se = static_cast<QSignalEvent *>(event);
- m_chase->setDirection(se->arguments().at(0).toDouble());
- m_chase->setDistance(se->arguments().at(1).toDouble());
- }
- return b;
- }
-
-private:
- ChaseState *m_chase;
-};
-
-class SeekAi: public QObject, public Plugin
-{
- Q_OBJECT
- Q_INTERFACES(Plugin)
-public:
- SeekAi() { setObjectName("Seek and destroy"); }
-
- virtual QState *create(QState *parentState, QObject *tank);
-};
-
-#endif
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