~ubuntu-branches/ubuntu/trusty/kapman/trusty-proposed

/*

 * 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, SIGNAL(frameChanged(int)), this, SLOT(setFrame(int)));

	// Define the timer which sets the blinking frequency

	m_blinkTimer = new QTimer(this);

	m_blinkTimer->setInterval(400);

	connect(m_blinkTimer, SIGNAL(timeout()), this, SLOT(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("kapman_0");

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

	    m_animationTimer->stop();

}

void KapmanItem::setFrame(const int p_frame) {

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

}

void KapmanItem::startBlinking() {

	stopAnim();

	setElementId("kapman_0");

	CharacterItem::startBlinking();

}

void KapmanItem::blink() {

	CharacterItem::blink();

	if (m_nbBlinks % 2 == 0) {

		setElementId("kapman_0");

	} else {

		setElementId("kapman_blink");

	}

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

	if (m_nbBlinks == 4) {

		m_blinkTimer->stop();

	}

}