File indexing completed on 2023-12-03 07:52:31

 /*
     SPDX-FileCopyrightText: 2009 Mathias Kraus <k.hias@gmx.de>
     SPDX-FileCopyrightText: 2007-2008 Thomas Gallinari <tg8187@yahoo.fr>
     SPDX-FileCopyrightText: 2007-2008 Pierre-Benoit Besse <besse@gmail.com>
     SPDX-FileCopyrightText: 2007-2008 Alexandre Galinier <alex.galinier@hotmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "game.h"
 #include "mapparser.h"
 #include "settings.h"
 #include "gamescene.h"
 #include "arena.h"
 #include "player.h"
 #include "bonus.h"
 #include "bomb.h"
 #include "block.h"
 #include "config/playersettings.h"
 #include "granatier_random.h"
 
 #include <QPointF>
 #include <QTimer>
 #include <QKeyEvent>
 #include <QDir>
 #include <KConfig>
 #include <KgSound>
 #include <QStandardPaths>
 
 
 Game::Game(PlayerSettings* playerSettings)
 {
     m_playerSettings = playerSettings;
 
     // Initialize the sound state
     setSoundsEnabled(Settings::sounds());
     m_wilhelmScream = Settings::useWilhelmScream();
 
     m_soundPutBomb = new KgSound(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("sounds/putbomb.wav")));
     m_soundExplode = new KgSound(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("sounds/explode.wav")));
     m_soundBonus = new KgSound(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("sounds/wow.wav")));
     m_soundFalling = new KgSound(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("sounds/deepfall.wav")));
     m_soundDie = new KgSound(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("sounds/die.wav")));
 
     m_arena = nullptr;
     m_randomArenaModeArenaList.clear();
     m_gameScene = nullptr;
     m_winPoints = Settings::self()->pointsToWin();
 
     QStringList strPlayerIDs = m_playerSettings->playerIDs();
     for(int i = 0; i < strPlayerIDs.count(); i++)
     {
         if(m_playerSettings->enabled(strPlayerIDs[i]))
         {
             auto* player = new Player(qreal(Granatier::CellSize * (-0.5)),qreal(Granatier::CellSize * 0.5), strPlayerIDs[i], playerSettings, m_arena);
             m_players.append(player);
             connect(player, &Player::dying, this, &Game::playerDeath);
             connect(player, &Player::falling, this, &Game::playerFalling);
             connect(player, &Player::resurrectBonusTaken, this, &Game::resurrectBonusTaken);
         }
     }
 
     init();
 
     for (auto & player : m_players)
     {
         connect(player, &Player::bombDropped, this, &Game::createBomb);
     }
 
     m_gameOver = false;
 }
 
 void Game::init()
 {
     // Create the Arena instance
     m_arena = new Arena();
 
     m_remainingTime = Settings::roundTime();
     m_bombCount = 0;
 
     // Create the parser that will parse the XML file in order to initialize the Arena instance
     // This also creates all the characters
     MapParser mapParser(m_arena);
     // Set the XML file as input source for the parser
     QString filePath;
     if(Settings::self()->randomArenaMode())
     {
         if(m_randomArenaModeArenaList.isEmpty())
         {
             auto randomArenaModeArenaList = Settings::self()->randomArenaModeArenaList();
 
             QStringList arenasAvailable;
             const QStringList dirs = QStandardPaths::locateAll(QStandardPaths::AppDataLocation, QStringLiteral("arenas"), QStandardPaths::LocateDirectory);
             for(const auto& dir: dirs) {
                 const QStringList fileNames = QDir(dir).entryList(QStringList() << QStringLiteral("*.desktop"));
                 for(const auto& file: fileNames) {
                     arenasAvailable.append(dir + QLatin1Char('/') + file);
                 }
             }
 
             // store the random arenas if they are available
             for(const auto& randomArena: randomArenaModeArenaList) {
                 for(const auto& arena: arenasAvailable) {
                     if(arena.endsWith(randomArena)) {
                         m_randomArenaModeArenaList.append(arena);
                         break;
                     }
                 }
             }
 
             if(m_randomArenaModeArenaList.isEmpty()){
                 m_randomArenaModeArenaList = arenasAvailable;
             }
         }
 
         int nIndex = granatier::RNG::fromRange<int>(0, m_randomArenaModeArenaList.count() - 1);
         filePath = m_randomArenaModeArenaList.at(nIndex);
         m_randomArenaModeArenaList.removeAt(nIndex);
     }
     else
     {
         filePath = QStandardPaths::locate(QStandardPaths::AppDataLocation, Settings::self()->arena());
     }
 
     if(!QFile::exists(filePath))
     {
         Settings::self()->useDefaults(true);
         filePath = QStandardPaths::locate(QStandardPaths::AppDataLocation, Settings::self()->arena());
         Settings::self()->useDefaults(false);
     }
 
     KConfig arenaConfig(filePath, KConfig::SimpleConfig);
     KConfigGroup group = arenaConfig.group("Arena");
     QString arenaFileName = group.readEntry("FileName");
 
     QFile arenaXmlFile(QStandardPaths::locate(QStandardPaths::AppDataLocation, QStringLiteral("arenas/%1").arg(arenaFileName)));
     if (!arenaXmlFile.open(QIODevice::ReadOnly)) {
         qWarning() << " impossible to open file " << arenaFileName;
     }
     mapParser.parse(&arenaXmlFile);
 
     QString arenaName = group.readEntry("Name");
     m_arena->setName(arenaName);
 
     //create the block items
     for (int i = 0; i < m_arena->getNbRows(); ++i)
     {
         for (int j = 0; j < m_arena->getNbColumns(); ++j)
         {
             if(m_arena->getCell(i,j).getType() == Granatier::Cell::BLOCK)
             {
                 auto* block = new Block((j + 0.5) * Granatier::CellSize, (i + 0.5) * Granatier::CellSize, m_arena, QStringLiteral("arena_block"));
                 m_blocks.append(block);
                 m_arena->setCellElement(i, j, block);
             }
         }
     }
 
     // Start the Game timer
     m_timer = new QTimer(this);
     m_timer->setInterval(int(1000 / Granatier::FPS));
     connect(m_timer, &QTimer::timeout, this, &Game::update);
     m_timer->start();
     m_state = RUNNING;
 
     m_roundTimer  = new QTimer(this);
     m_roundTimer->setInterval(1000);
     connect(m_roundTimer, &QTimer::timeout, this, &Game::decrementRemainingRoundTime);
     m_roundTimer->start();
 
     m_setRoundFinishedTimer  = new QTimer(this);
     m_setRoundFinishedTimer->setSingleShot(true);
     connect(m_setRoundFinishedTimer, &QTimer::timeout, this, &Game::setRoundFinished);
 
     // Init the characters coordinates on the Arena
     for (int i = 0; i < m_players.size(); i++)
     {
         m_players[i]->setArena(m_arena);
         QPointF playerPosition = m_arena->getPlayerPosition(i);
         m_players[i]->setInitialCoordinates(qreal(Granatier::CellSize * playerPosition.x()), qreal(Granatier::CellSize * playerPosition.y()));
     }
     initCharactersPosition();
 
     // Create the hidden Bonuses
     createBonus();
 }
 
 Game::~Game()
 {
     //pause is needed to stop all animations and therefore the access of the *items to their model
     pause(true);
 
     qDeleteAll(m_players);
     m_players.clear();
 
     cleanUp();
 
     delete m_soundPutBomb;
     delete m_soundExplode;
     delete m_soundBonus;
     delete m_soundFalling;
     delete m_soundDie;
 }
 
 void Game::cleanUp()
 {
     qDeleteAll(m_blocks);
     m_blocks.clear();
     qDeleteAll(m_bonus);
     m_bonus.clear();
     qDeleteAll(m_bombs);
     m_bombs.clear();
     delete m_arena;
     m_arena = nullptr;
     delete m_timer;
     m_timer = nullptr;
     delete m_roundTimer;
     m_roundTimer = nullptr;
     delete m_setRoundFinishedTimer;
     m_setRoundFinishedTimer = nullptr;
 }
 
 void Game::setGameScene(GameScene* p_gameScene)
 {
     m_gameScene = p_gameScene;
 }
 
 void Game::start()
 {
     // Restart the Game timer
     m_timer->start();
     m_state = RUNNING;
     m_roundTimer->start();
     Q_EMIT pauseChanged(false, false);
 }
 
 void Game::pause(bool p_locked)
 {
     // Stop the Game timer
     m_timer->stop();
     m_roundTimer->stop();
     if (p_locked)
     {
         m_state = PAUSED_LOCKED;
     }
     else
     {
         m_state = PAUSED_UNLOCKED;
     }
     Q_EMIT pauseChanged(true, false);
 }
 
 void Game::switchPause()
 {
     // If the Game is not already paused
     if (m_state == RUNNING)
     {
         // Pause the Game
         pause();
         Q_EMIT pauseChanged(true, true);
     }
     // If the Game is already paused
     else
     {
         // Resume the Game
         start();
         Q_EMIT pauseChanged(false, true);
     }
 }
 
 QList<Player*> Game::getPlayers() const
 {
     return m_players;
 }
 
 QTimer* Game::getTimer() const
 {
     return m_timer;
 }
 
 int Game::getRemainingTime() const
 {
     return m_remainingTime;
 }
 
 Arena* Game::getArena() const
 {
     return m_arena;
 }
 
 bool Game::isPaused() const
 {
     return (m_state != RUNNING);
 }
 
 bool Game::getGameOver() const
 {
     return m_gameOver;
 }
 
 QString Game::getWinner() const
 {
     return m_strWinner;
 }
 
 int Game::getWinPoints() const
 {
     return m_winPoints;
 }
 
 QList<Bonus*> Game::getBonus() const
 {
     return m_bonus;
 }
 
 void Game::createBonus()
 {
     int nRemainingNeutralBonuses = 1;
     for(int nQuarter = 0; nQuarter < 4; nQuarter++)
     {
         Bonus* bonus;
         int nBonusCount = static_cast<int>(0.3 * m_blocks.size() / 4);
         int nBadBonusCount = static_cast<int>(0.1 * m_blocks.size() / 4);
         int nNeutralBonusCount = granatier::RNG::fromRange(0, nRemainingNeutralBonuses);
         QList<Granatier::Bonus::Type> bonusTypeList;
         Granatier::Bonus::Type bonusType;
         int nFullSize = m_blocks.size();
         int nQuarterSize = (nQuarter < 3 ? nFullSize / 4 : nFullSize - 3 * (nFullSize / 4));
 
         for (int i = 0; i < nQuarterSize; ++i)
         {
             if(i < nBonusCount)
             {
                 constexpr int NumberOfBonuses = 6;
                 switch (granatier::RNG::fromRange(0, NumberOfBonuses-1))
                 {
                     case 0: bonusType = Granatier::Bonus::SPEED;
                             break;
                     case 1: bonusType = Granatier::Bonus::BOMB;
                             break;
                     case 2: bonusType = Granatier::Bonus::POWER;
                             break;
                     case 3: bonusType = Granatier::Bonus::SHIELD;
                             break;
                     case 4: bonusType = Granatier::Bonus::THROW;
                             break;
                     case 5: bonusType = Granatier::Bonus::KICK;
                             break;
                     default: bonusType = Granatier::Bonus::SPEED;
                 }
             }
             else if (i-nBonusCount < nBadBonusCount)
             {
                 constexpr int NumberOfBadBonuses = 5;
                 switch (granatier::RNG::fromRange(0, NumberOfBadBonuses-1))
                 {
                     case 0: bonusType = Granatier::Bonus::HYPERACTIVE;
                             break;
                     case 1: bonusType = Granatier::Bonus::SLOW;
                             break;
                     case 2: bonusType = Granatier::Bonus::MIRROR;
                             break;
                     case 3: bonusType = Granatier::Bonus::SCATTY;
                             break;
                     case 4: bonusType = Granatier::Bonus::RESTRAIN;
                             break;
                     default: bonusType = Granatier::Bonus::HYPERACTIVE;
                 }
             }
             else if(i-nBonusCount-nBadBonusCount < nNeutralBonusCount)
             {
                 bonusType = Granatier::Bonus::RESURRECT;
                 nRemainingNeutralBonuses--;
             }
             else {
                 bonusType = Granatier::Bonus::NONE;
             }
 
             bonusTypeList.append(bonusType);
         }
 
         int nShuffle;
         for (int i = 0; i < nQuarterSize; ++i)
         {
             nShuffle = granatier::RNG::fromRange(0, nQuarterSize-1);
 
             bonusTypeList.swapItemsAt(i, nShuffle);
         }
 
         for (int i = 0; i < nQuarterSize; ++i)
         {
             if(bonusTypeList[i] != Granatier::Bonus::NONE)
             {
                 int nIndex = nQuarter * (nFullSize/4) + i;
                 bonus = new Bonus(m_blocks[nIndex]->getX(), m_blocks[nIndex]->getY(), m_arena, bonusTypeList[i]);
                 m_bonus.append(bonus);
                 m_blocks[nIndex]->setBonus(bonus);
             }
         }
     }
 }
 
 void Game::removeBonus(Bonus* bonus)
 {
     m_bonus.removeAt(m_bonus.indexOf(bonus));
     //do not delete the Bonus, because the ElementItem will delete it
     if(m_soundEnabled && !bonus->isDestroyed())
     {
         m_soundBonus->start();
     }
 }
 
 void Game::setSoundsEnabled(bool p_enabled)
 {
     m_soundEnabled = p_enabled;
     Settings::setSounds(p_enabled);
     Settings::self()->save();
 }
 
 void Game::initCharactersPosition()
 {
     // If the timer is stopped, it means that collisions are already being handled
     if (m_timer->isActive())
     {
         // At the beginning, the timer is stopped but the Game isn't paused (to allow keyPressedEvent detection)
         m_timer->stop();
         m_roundTimer->stop();
         m_state = RUNNING;
         // Initialize the Player coordinates
         for(auto & player : m_players)
         {
             player->initCoordinate();
             player->init();
         }
     }
 }
 
 void Game::keyPressEvent(QKeyEvent* p_event)
 {
     if(p_event->isAutoRepeat())
     {
         return;
     }
 
     // At the beginning or when paused, we start the timer when a key is pressed
     if (!m_timer->isActive())
     {
         if(p_event->key() == Qt::Key_Space)
         {
             // If paused
             if (m_state == PAUSED_UNLOCKED)
             {
                 switchPause();
             }
             else if (m_state == RUNNING)      // At the game beginning
             {
                 // Start the game
                 m_timer->start();
                 m_roundTimer->start();
                 Q_EMIT gameStarted();
             }
             else if (m_state == PAUSED_LOCKED)
             {
                 // if the game is over, start a new game
                 if (m_gameOver)
                 {
                     Q_EMIT gameOver();
                     return;
                 }
                 else
                 {
                     m_gameScene->cleanUp();
                     cleanUp();
                     init();
                     m_gameScene->init();
                     for(auto & player : m_players)
                     {
                         player->resurrect();
                     }
                 }
             }
         }
         return;
     }
     // Behaviour when the game has begun
     switch (p_event->key())
     {
         case Qt::Key_P:
         case Qt::Key_Escape:
             switchPause();
             return;
         default:
             break;
     }
 
     //TODO: make signal
     for(auto & player : m_players)
     {
         player->keyPressed(p_event);
     }
 }
 
 void Game::keyReleaseEvent(QKeyEvent* p_event)
 {
     if(p_event->isAutoRepeat())
     {
         return;
     }
     //TODO: make signal
     for(auto & player : m_players)
     {
         player->keyReleased(p_event);
     }
 }
 
 void Game::update()
 {
     //update Bombs
     for (auto & bomb : m_bombs)
     {
         bomb->updateMove();
     }
 
     //update Player
     for(auto & player : m_players)
     {
         player->updateMove();
         player->emitGameUpdated();
     }
 }
 
 void Game::decrementRemainingRoundTime()
 {
     m_remainingTime--;
     if(m_remainingTime >= 0)
     {
         Q_EMIT infoChanged(Granatier::Info::TimeInfo);
     }
     else
     {
         if(m_remainingTime % 2 == 0)
         {
             //create bombs at randoms places
             int nRow;
             int nCol;
             Granatier::Cell::Type cellType;
             bool bFound = false;
             do
             {
                 nRow = granatier::RNG::fromRange(0, m_arena->getNbRows()-1);
                 nCol = granatier::RNG::fromRange(0, m_arena->getNbColumns()-1);
                 cellType = m_arena->getCell(nRow, nCol).getType();
                 if(cellType != Granatier::Cell::WALL && cellType != Granatier::Cell::HOLE && m_arena->getCell(nRow, nCol).isWalkable(nullptr))
                 {
                     bFound = true;
                 }
             }
             while (!bFound);
 
             m_bombCount++;
             Bomb* bomb = new Bomb((nCol + 0.5) * Granatier::CellSize, (nRow + 0.5) * Granatier::CellSize, m_arena, m_bombCount, 1000);    // time in ms
             bomb->setBombPower(static_cast<int>(granatier::RNG::fromRange(1.0, 2.5)));
             Q_EMIT bombCreated(bomb);
             connect(bomb, &Bomb::bombDetonated, this, &Game::bombDetonated);
             m_bombs.append(bomb);
             if(m_remainingTime > -100 && m_roundTimer->interval() > 150)
             {
                 m_roundTimer->setInterval(m_roundTimer->interval() + m_remainingTime);
             }
             else if (m_roundTimer->interval() > 30)
             {
                 m_roundTimer->setInterval(m_roundTimer->interval() - 1);
             }
         }
     }
 }
 
 void Game::playerFalling()
 {
     if(m_soundEnabled)
     {
         m_soundFalling->start();
     }
 }
 
 void Game::playerDeath()
 {
     if(m_soundEnabled)
     {
         m_soundDie->start();
     }
 
     //check if at most one player is alive if not already finished
     if(!m_setRoundFinishedTimer->isActive())
     {
         int nPlayerAlive = 0;
         for(auto & player : m_players)
         {
             if(player->isAlive())
             {
                 nPlayerAlive++;
             }
         }
         if(nPlayerAlive <= 1)
         {
             //wait some time until the game stops
             m_setRoundFinishedTimer->start(1500);
         }
    }
 }
 
 void Game::resurrectBonusTaken()
 {
     for(auto & player : m_players)
     {
         if(!(player->isAlive()))
         {
             player->resurrect();
         }
     }
 }
 
 void Game::setRoundFinished()
 {
     int nPlayerAlive = 0;
     int nIndex = 0;;
     if(m_gameOver)
     {
         return;
     }
     for(int i = 0; i < m_players.length(); ++i)
     {
         if(m_players[i]->isAlive())
         {
             nPlayerAlive++;
             nIndex = i;
         }
     }
     //this check is needed, if in the meantime the resurrect bonus was taken
     if (nPlayerAlive > 1)
     {
         return;
     }
 
     if (nPlayerAlive == 1)
     {
         m_players[nIndex]->addPoint();
     }
 
     pause(true);
 
     for(auto & player : m_players)
     {
         // check if a player reaches the win points
         if (player->points() >= m_winPoints)
         {
             m_gameOver = true;
             m_strWinner = player->getPlayerName();
             break;
         }
     }
     m_gameScene->showScore();
 }
 
 void Game::createBomb(Player* player, qreal x, qreal y, bool newBomb, int throwDistance)
 {
     int col = m_arena->getColFromX(x);
     int row = m_arena->getRowFromY(y);
     if(col >= 0 && col < m_arena->getNbColumns() && row >= 0 && row < m_arena->getNbRows())
     {
         QList<Element*> bombElements =  m_arena->getCell(row, col).getElements(Granatier::Element::BOMB);
         if (!bombElements.isEmpty())
         {
             if(player->hasThrowBomb() && throwDistance > 0)
             {
                 for(auto& element: bombElements)
                 {
                     dynamic_cast <Bomb*> (element)->setThrown(player->direction());
                 }
             }
             return;
         }
     }
 
     if(!newBomb)
     {
         return;
     }
 
     m_bombCount++;
     Bomb* bomb = new Bomb((col + 0.5) * Granatier::CellSize, (row + 0.5) * Granatier::CellSize, m_arena, m_bombCount, 2500);    // time in ms
     bomb->setBombPower(player->getBombPower());
     Q_EMIT bombCreated(bomb);
     connect(bomb, &Bomb::bombDetonated, this, &Game::bombDetonated);
     connect(bomb, &Bomb::releaseBombArmory, player, &Player::slot_refillBombArmory);
     m_bombs.append(bomb);
     player->decrementBombArmory();
 
     if(m_soundEnabled)
     {
         m_soundPutBomb->start();
     }
 }
 
 void Game::removeBomb(Bomb* bomb)
 {
     // Find the Bomb
     int index = m_bombs.indexOf(bomb);
     //remove the bomb
     if(index != -1)
     {
         //do not delete the bomb because it will be deleted through the destructor of elementitem
         m_bombs.removeAt(index);
     }
 }
 
 void Game::bombDetonated()
 {
     if(m_soundEnabled)
     {
         m_soundExplode->start();
     }
 }
 
 void Game::blockDestroyed(const int row, const int col, Block* block)
 {
     // find the Block
     int index = m_blocks.indexOf(block);
     // remove the Block
     if(index != -1)
     {
         //do not delete the block because it will be deleted through the destructor of elementitem
         m_arena->removeCellElement(row, col, block);
     }
 }
 
 #include "moc_game.cpp"