~ubuntu-branches/ubuntu/wily/kapman/wily

/*

 * Copyright 2007-2008 Thomas Gallinari <tg8187@yahoo.fr>

 * Copyright 2007-2008 Nathalie Liesse <nathalie.liesse@gmail.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation; either version 2 of

 * the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "kapmanitem.h"

#include "characteritem.h"

#include "ghost.h"

#include "settings.h"

#include <QGraphicsScene>

#include <KgDifficulty>

const int KapmanItem::NB_FRAMES = 32;

const int KapmanItem::ANIM_LOW_SPEED = 500;

const int KapmanItem::ANIM_MEDIUM_SPEED = 400;

const int KapmanItem::ANIM_HIGH_SPEED = 300;

KapmanItem::KapmanItem(Kapman *p_model) : CharacterItem(p_model)

{

    connect(p_model, SIGNAL(directionChanged()), this, SLOT(updateDirection()));

    connect(p_model, SIGNAL(gameUpdated()), this, SLOT(manageCollision()));

    connect(p_model, SIGNAL(stopped()), this, SLOT(stopAnim()));

    // A timeLine for the Kapman animation

    m_animationTimer = new QTimeLine();

    m_animationTimer->setCurveShape(QTimeLine::SineCurve);

    m_animationTimer->setLoopCount(0);

    m_animationTimer->setFrameRange(0, NB_FRAMES - 1);

    // Animation speed

    switch ((int) Kg::difficultyLevel()) {

    case KgDifficultyLevel::Easy:

        m_animationTimer->setDuration(KapmanItem::ANIM_LOW_SPEED);

        break;

    case KgDifficultyLevel::Medium:

        m_animationTimer->setDuration(KapmanItem::ANIM_MEDIUM_SPEED);

        break;

    case KgDifficultyLevel::Hard:

        m_animationTimer->setDuration(KapmanItem::ANIM_HIGH_SPEED);

        break;

    }

    connect(m_animationTimer, &QTimeLine::frameChanged, this, &KapmanItem::setFrame);

    // Define the timer which sets the blinking frequency

    m_blinkTimer = new QTimer(this);

    m_blinkTimer->setInterval(400);

    connect(m_blinkTimer, &QTimer::timeout, this, &KapmanItem::blink);

}

KapmanItem::~KapmanItem()

{

    delete m_animationTimer;

}

void KapmanItem::updateDirection()

{

    QTransform transform;

    int angle = 0;

    Kapman *model = (Kapman *)getModel();

    // Compute the angle

    if (model->getXSpeed() > 0) {

        angle = 0;

    } else if (model->getXSpeed() < 0) {

        angle = 180;    // The default image is right oriented

    }

    if (model->getYSpeed() > 0) {

        angle = 90;

    } else if (model->getYSpeed() < 0) {

        angle = -90;

    }

    if (m_rotationFlag == 0) {

        angle = 0;

    }

    // Rotate the item

    transform.translate(boundingRect().width() / 2, boundingRect().height() / 2);

    transform.rotate(angle);

    transform.translate(-boundingRect().width() / 2, -boundingRect().height() / 2);

    setTransform(transform);

}

void KapmanItem::manageCollision()

{

    QList<QGraphicsItem *> collidingList = collidingItems();

    // The signal is emitted only if the list contains more than 1 items (to exclude the case

    // when the kapman only collides with the maze)

    if (collidingList.size() > 1) {

        for (int i = 0; i < collidingList.size(); ++i) {

            // The maze and the points labels have a negative zValue which allows to exclude them from the treatment of collisions

            if (collidingList[i]->zValue() >= 0) {

                ElementItem *item = dynamic_cast<ElementItem *>(collidingList[i]);

                if (item) {

                    item->getModel()->doActionOnCollision((Kapman *)getModel());

                }

            }

        }

    }

}

void KapmanItem::update(qreal p_x, qreal p_y)

{

    ElementItem::update(p_x, p_y);

    // If the kapman is moving

    if (((Kapman *)getModel())->getXSpeed() != 0 || ((Kapman *)getModel())->getYSpeed() != 0) {

        startAnim();

    }

}

void KapmanItem::startAnim()

{

    // Start the animation timer if it is not active

    if (m_animationTimer->state() != QTimeLine::Running) {

        m_animationTimer->start();

    }

}

void KapmanItem::pauseAnim()

{

    if (m_animationTimer->state() == QTimeLine::Running) {

        m_animationTimer->setPaused(true);

    }

}

void KapmanItem::resumeAnim()

{

    if (m_animationTimer->state() == QTimeLine::Running) {

        m_animationTimer->setPaused(false);

    }

}

void KapmanItem::stopAnim()

{

    setElementId(QLatin1Literal("kapman_0"));

    if (m_animationTimer->state() == QTimeLine::Running) {

        m_animationTimer->stop();

    }

}

void KapmanItem::setFrame(const int p_frame)

{

    setElementId(QString::fromLatin1("kapman_%1").arg(p_frame));

}

void KapmanItem::startBlinking()

{

    stopAnim();

    setElementId(QLatin1Literal("kapman_0"));

    CharacterItem::startBlinking();

}

void KapmanItem::blink()

{

    CharacterItem::blink();

    if (m_nbBlinks % 2 == 0) {

        setElementId(QLatin1Literal("kapman_0"));

    } else {

        setElementId(QLatin1Literal("kapman_blink"));

    }

    // Make the kapman blink 2 times (4 ticks)

    if (m_nbBlinks == 4) {

        m_blinkTimer->stop();

    }

}