File indexing completed on 2023-10-01 08:02:05

 /*
     SPDX-FileCopyrightText: 2007-2008 Thomas Gallinari <tg8187@yahoo.fr>
     SPDX-FileCopyrightText: 2007-2008 Alexandre Galinier <alex.galinier@hotmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "gamescene.h"
 #include "bonus.h"
 #include "cell.h"
 
 #include <KgTheme>
 
 #include <KLocalizedString>
 
 GameScene::GameScene(Game *p_game, const KgTheme *theme)
     : m_game(p_game)
     , m_kapmanItem(nullptr)
     , m_mazeItem(nullptr)
 {
     connect(p_game, &Game::levelStarted, this, &GameScene::intro);
     connect(p_game, &Game::gameStarted, this, &GameScene::start);
     connect(p_game, &Game::pauseChanged, this, &GameScene::setPaused);
     connect(p_game, &Game::elementEaten, this, &GameScene::hideElement);
     connect(p_game, &Game::bonusOn, this, &GameScene::displayBonus);
     connect(p_game, &Game::bonusOff, this, &GameScene::hideBonus);
 
     // Connection between Game and GameScene for the display of won points when a bonus or a ghost is eaten
     connect(p_game, &Game::pointsToDisplay, this, &GameScene::displayPoints);
 
     // Load the SVG file
     m_renderer = new QSvgRenderer();
     loadTheme(theme);
 
     // Create the MazeItem
     m_mazeItem = new MazeItem();
     // Give the maze the shared renderer to avoid loading the whole SVG file again
     m_mazeItem->setSharedRenderer(m_renderer);
     // Set the element Id to the right value
     m_mazeItem->setElementId(QStringLiteral("maze"));
     m_mazeItem->setZValue(-2);
 
     // Create the KapmanItem
     m_kapmanItem = new KapmanItem(p_game->getKapman());
     m_kapmanItem->setSharedRenderer(m_renderer);
     m_kapmanItem->setElementId(QStringLiteral("kapman_0"));
     // Corrects the position of the KapmanItem
     m_kapmanItem->update(p_game->getKapman()->getX(), p_game->getKapman()->getY());
     m_kapmanItem->setZValue(2);
     // Stops the Kapman animation
     m_kapmanItem->stopAnim();
 
     // Create the GhostItems
     for (int i = 0; i < p_game->getGhosts().size(); ++i) {
         auto ghost = new GhostItem(p_game->getGhosts()[i]);
         ghost->setSharedRenderer(m_renderer);
         ghost->setElementId(p_game->getGhosts()[i]->getImageId());
         ghost->update(p_game->getGhosts()[i]->getX(), p_game->getGhosts()[i]->getY());
         // At the beginning, the ghosts are above the kapman because they eat him
         ghost->setZValue(3);
         m_ghostItems.append(ghost);
     }
     // Create the Pill and Energizer items
     m_elementItems = new ElementItem **[m_game->getMaze()->getNbRows()];
     for (int i = 0; i < m_game->getMaze()->getNbRows(); ++i) {
         m_elementItems[i] = new ElementItem *[m_game->getMaze()->getNbColumns()];
         for (int j = 0; j < m_game->getMaze()->getNbColumns(); ++j) {
             if (m_game->getMaze()->getCell(i, j).getElement() != nullptr) {
                 // Create the element and set the image
                 auto element = new ElementItem(m_game->getMaze()->getCell(i, j).getElement());
                 element->setSharedRenderer(m_renderer);
                 element->setElementId(m_game->getMaze()->getCell(i, j).getElement()->getImageId());
                 element->update(m_game->getMaze()->getCell(i, j).getElement()->getX(), m_game->getMaze()->getCell(i, j).getElement()->getY());
                 m_elementItems[i][j] = element;
             } else {
                 m_elementItems[i][j] = nullptr;
             }
         }
     }
     // Create the Bonus item
     m_bonusItem = new ElementItem(m_game->getBonus());
     m_bonusItem->setSharedRenderer(m_renderer);
     m_bonusItem->setElementId(QStringLiteral("bonus1"));
 
     // All elements are created, update theme properties
     updateSvgIds();
     updateThemeProperties(theme);
 
     // Create the introduction labels
     m_introLabel = new QGraphicsTextItem(i18n("GET READY!!!"));
     m_introLabel->setFont(QFont(QStringLiteral("Helvetica"), 25, QFont::Bold, false));
     m_introLabel->setDefaultTextColor(QColor(QLatin1String("#FFFF00")));
     m_introLabel->setZValue(4);
     m_introLabel2 = new QGraphicsTextItem(i18n("Press any arrow key to start"));
     m_introLabel2->setFont(QFont(QStringLiteral("Helvetica"), 15, QFont::Bold, false));
     m_introLabel2->setDefaultTextColor(QColor(QLatin1String("#FFFF00")));
     m_introLabel2->setZValue(4);
     // Create the new level label
     m_newLevelLabel = new QGraphicsTextItem();
     m_newLevelLabel->setFont(QFont(QStringLiteral("Helvetica"), 35, QFont::Bold, false));
     m_newLevelLabel->setDefaultTextColor(QColor(QLatin1String("#FFFF00")));
     m_newLevelLabel->setZValue(4);
     // Create the pause label
     m_pauseLabel = new QGraphicsTextItem(i18n("PAUSED"));
     m_pauseLabel->setFont(QFont(QStringLiteral("Helvetica"), 35, QFont::Bold, false));
     m_pauseLabel->setDefaultTextColor(QColor(QLatin1String("#FFFF00")));
     m_pauseLabel->setZValue(4);
 
     // Display the MazeItem
     addItem(m_mazeItem);
     // Display the KapmanItem
     addItem(m_kapmanItem);
     // Display each GhostItem
     for (int i = 0; i < m_ghostItems.size(); ++i) {
         addItem(m_ghostItems[i]);
     }
     // Display each Pill and Energizer item and introduction labels
     intro(true);
 }
 
 GameScene::~GameScene()
 {
     delete m_mazeItem;
     delete m_kapmanItem;
     for (int i = 0; i < m_ghostItems.size(); ++i) {
         delete m_ghostItems[i];
     }
     for (int i = 0; i < m_game->getMaze()->getNbRows(); ++i) {
         for (int j = 0; j < m_game->getMaze()->getNbColumns(); ++j) {
             if (m_elementItems[i][j] != nullptr) {
                 delete m_elementItems[i][j];
             }
         }
         delete[] m_elementItems[i];
     }
     delete[] m_elementItems;
     delete m_bonusItem;
     delete m_introLabel;
     delete m_introLabel2;
     delete m_newLevelLabel;
     delete m_pauseLabel;
     delete m_renderer;
 }
 
 Game *GameScene::getGame() const
 {
     return m_game;
 }
 
 void GameScene::loadTheme(const KgTheme *theme)
 {
     if (!m_renderer->load(theme->graphicsPath())) {
         return;
     }
 
     // Update elementIDs, theme properties
     updateSvgIds();
     updateThemeProperties(theme);
 
     update(0, 0, width(), height());
 }
 
 void GameScene::updateSvgIds()
 {
     // Needed so new boundingRects() are read for all SVG elements after a theme change
     //  Sanity check, see if game elements already exist
     if (!m_kapmanItem) {
         return;
     }
 
     // Set the element Id to the right value
     m_mazeItem->setElementId(QStringLiteral("maze"));
 
     // Create the KapmanItem
     m_kapmanItem->setElementId(QStringLiteral("kapman_0"));
     // Corrects the position of the KapmanItem
     m_kapmanItem->update(m_game->getKapman()->getX(), m_game->getKapman()->getY());
 
     for (int i = 0; i < m_ghostItems.size(); ++i) {
         GhostItem *ghost = m_ghostItems[i];
         ghost->setElementId(m_game->getGhosts()[i]->getImageId());
         ghost->update(m_game->getGhosts()[i]->getX(), m_game->getGhosts()[i]->getY());
     }
     for (int i = 0; i < m_game->getMaze()->getNbRows(); ++i) {
         for (int j = 0; j < m_game->getMaze()->getNbColumns(); ++j) {
             if (m_elementItems[i][j] != nullptr) {
                 ElementItem *element = m_elementItems[i][j];
                 element->setElementId(m_game->getMaze()->getCell(i, j).getElement()->getImageId());
                 element->update(m_game->getMaze()->getCell(i, j).getElement()->getX(), m_game->getMaze()->getCell(i, j).getElement()->getY());
             }
         }
     }
 }
 
 void GameScene::updateThemeProperties(const KgTheme *theme)
 {
     // Sanity check, see if game elements already exist
     if (!m_kapmanItem) {
         return;
     }
 
     // Set the Rotation flag for KapmanItem
     if (theme->customData(QStringLiteral("RotateKapman")) == QLatin1String("0")) {
         m_kapmanItem->setRotationFlag(false);
     } else {
         m_kapmanItem->setRotationFlag(true);
     }
 }
 
 void GameScene::intro(const bool p_newLevel)
 {
     // If a new level has begun
     if (p_newLevel) {
         // Set each Pill and Energizer item to its original coordinates
         for (int i = 0; i < m_game->getMaze()->getNbRows(); ++i) {
             for (int j = 0; j < m_game->getMaze()->getNbColumns(); ++j) {
                 if (m_elementItems[i][j] != nullptr) {
                     if (!items().contains(m_elementItems[i][j])) {
                         addItem(m_elementItems[i][j]);
                     }
                 }
             }
         }
         if (items().contains(m_introLabel)) {
             removeItem(m_introLabel);
         }
         // Display the new level label
         m_newLevelLabel->setPlainText(i18nc("The number of the game level", "Level %1", m_game->getLevel()));
         if (!items().contains(m_newLevelLabel)) {
             addItem(m_newLevelLabel);
             m_newLevelLabel->setPos((width() - m_newLevelLabel->boundingRect().width()) / 2, (height() - m_newLevelLabel->boundingRect().height()) / 2);
         }
         // Display the introduction label
         if (!items().contains(m_introLabel2)) {
             addItem(m_introLabel2);
             m_introLabel2->setPos((width() - m_introLabel2->boundingRect().width()) / 2,
                                   (height() - m_introLabel2->boundingRect().height() + m_newLevelLabel->boundingRect().height()) / 2);
         }
     } else {
         // Display the introduction labels
         if (!items().contains(m_introLabel)) {
             addItem(m_introLabel);
             m_introLabel->setPos((width() - m_introLabel->boundingRect().width()) / 2, (height() - m_introLabel->boundingRect().height()) / 2);
         }
         if (!items().contains(m_introLabel2)) {
             addItem(m_introLabel2);
             m_introLabel2->setPos((width() - m_introLabel2->boundingRect().width()) / 2,
                                   (height() - m_introLabel2->boundingRect().height() + m_introLabel->boundingRect().height()) / 2);
         }
     }
 }
 
 void GameScene::start()
 {
     // If the introduction and new level labels were displayed then remove them
     if (items().contains(m_introLabel)) {
         removeItem(m_introLabel);
     }
     if (items().contains(m_introLabel2)) {
         removeItem(m_introLabel2);
     }
     if (items().contains(m_newLevelLabel)) {
         removeItem(m_newLevelLabel);
     }
 }
 
 void GameScene::setPaused(const bool p_pause, const bool p_fromUser)
 {
     // If the game has paused
     if (p_pause) {
         // If the pause is due to an action from the user
         if (p_fromUser) {
             // If the label was not displayed yet
             if (!items().contains(m_pauseLabel)) {
                 // FIXME: Hack to remove labels when pausing game while init labels are shown (icwiener)
                 //        This should be done cleaner
                 // FIXME #2: start() is a misleading method name ...
                 start();
                 // Display the pause label
                 addItem(m_pauseLabel);
                 m_pauseLabel->setPos((width() - m_pauseLabel->boundingRect().width()) / 2, (height() - m_pauseLabel->boundingRect().height()) / 2);
             }
         }
         // Stop kapman animation
         m_kapmanItem->pauseAnim();
     } else { // If the game has resumed
         // If the pause was due to an action from the user
         if (p_fromUser) {
             // If the label was displayed
             if (items().contains(m_pauseLabel)) {
                 removeItem(m_pauseLabel);
             }
         }
         // Resume kapman animation
         m_kapmanItem->resumeAnim();
     }
 }
 
 void GameScene::hideElement(const qreal p_x, const qreal p_y)
 {
     if (items().contains(m_elementItems[(int)((p_y - (Cell::SIZE * 0.5)) / Cell::SIZE)][(int)((p_x - (Cell::SIZE * 0.5)) / Cell::SIZE)])) {
         removeItem(m_elementItems[(int)((p_y - (Cell::SIZE * 0.5)) / Cell::SIZE)][(int)((p_x - (Cell::SIZE * 0.5)) / Cell::SIZE)]);
     }
 }
 
 void GameScene::displayBonus()
 {
     if (!items().contains(m_bonusItem)) {
         switch (m_game->getLevel()) {
         case 1:
             m_bonusItem->setElementId(QStringLiteral("bonus1"));
             break;
         case 2:
             m_bonusItem->setElementId(QStringLiteral("bonus2"));
             break;
         case 3:
             m_bonusItem->setElementId(QStringLiteral("bonus3"));
             break;
         case 4:
             m_bonusItem->setElementId(QStringLiteral("bonus4"));
             break;
         case 5:
             m_bonusItem->setElementId(QStringLiteral("bonus5"));
             break;
         case 6:
             m_bonusItem->setElementId(QStringLiteral("bonus6"));
             break;
         default:
             m_bonusItem->setElementId(QStringLiteral("bonus7"));
             break;
         }
         m_bonusItem->update(m_game->getBonus()->getX(), m_game->getBonus()->getY());
         addItem(m_bonusItem);
     }
 }
 
 void GameScene::hideBonus()
 {
     if (items().contains(m_bonusItem)) {
         removeItem(m_bonusItem);
     }
 }
 
 void GameScene::displayPoints(long p_wonPoints, qreal p_xPos, qreal p_yPos)
 {
     // Launch a singleShot timer
     QTimer::singleShot(1000, this, &GameScene::hidePoints);
 
     // Add a label in the list of won points Labels
     m_wonPointsLabels.prepend(new QGraphicsTextItem(QString::number(p_wonPoints)));
     addItem(m_wonPointsLabels.first());
 
     // Temporary reference to the first item in the list
     QGraphicsTextItem *tempRef = m_wonPointsLabels.first();
 
     // Positioning and customization of the point label
     tempRef->setDefaultTextColor(QColor(QLatin1String("#FFFF00")));
     tempRef->setFont(QFont(QStringLiteral("Helvetica"), 15, QFont::Normal, false));
     tempRef->setPos(p_xPos - (tempRef->boundingRect().width() / 2), p_yPos - (tempRef->boundingRect().height() / 2));
     tempRef->setZValue(-1);
 }
 
 void GameScene::hidePoints()
 {
     // Remove the oldest item of the list from the scene
     removeItem(m_wonPointsLabels.last());
     // Remove the oldest item from the list
     delete m_wonPointsLabels.takeLast();
 }
 
 #include "moc_gamescene.cpp"