File indexing completed on 2024-12-08 06:47:08

 /*
     SPDX-FileCopyrightText: 2003 Russell Steffen <rsteffen@bayarea.net>
     SPDX-FileCopyrightText: 2003 Stephan Zehetner <s.zehetner@nevox.org>
     SPDX-FileCopyrightText: 2006 Dmitry Suzdalev <dimsuz@gmail.com>
     SPDX-FileCopyrightText: 2006 Inge Wallin <inge@lysator.liu.se>
     SPDX-FileCopyrightText: 2006 Pierre Ducroquet <pinaraf@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "game.h"
 #include "planet.h"
 #include <KLocalizedString>
 #include <QDebug>
 #include <cmath>
 
 QRandomGenerator Game::random = QRandomGenerator(QRandomGenerator::global()->generate());
 
 Game::Game(QObject *parent) :
     QObject(parent)
 {
     m_finalState = new QFinalState();
     m_turnCounter = 0;
     m_map = new Map(10, 10);
     m_gameMachine.addState(m_finalState);
     m_neutral = new NeutralPlayer(this);
     connect(&m_gameMachine, &QStateMachine::finished, this, &Game::finished);
 }
 
 Game::~Game()
 {
     delete m_map;
 }
 
 const QList<Planet*> Game::planets()
 {
     return m_map->planets();
 }
 
 bool Game::isRunning()
 {
     return m_gameMachine.isRunning();
 }
 
 Coordinate Game::generatePlanetCoordinates(int x, int y)
 {
     return Coordinate(random.bounded(x), random.bounded(y));
 }
 
 double Game::generateKillPercentage()
 {
     // 0.30 - 0.90
     return 0.30 + random.bounded(0.60);
 }
 
 int Game::generatePlanetProduction()
 {
     // 5 - 15
     return 5 + random.bounded(10);
 }
 
 bool Game::attack(Planet *sourcePlanet, Planet *destPlanet, long long shipCount, bool standingOrder)
 {
     int arrival = int(std::ceil(m_map->distance(sourcePlanet, destPlanet))) + m_turnCounter;
     if(standingOrder)
     {
         m_currentPlayer->addStandingOrder(new AttackFleet(sourcePlanet, destPlanet, shipCount, arrival));
         return true;
     }
     else
     {
         AttackFleet *fleet = sourcePlanet->fleet().spawnAttackFleet(destPlanet, shipCount, arrival);
         if (fleet) {
             m_currentPlayer->addAttackFleet(fleet);
             return true;
         }
         return false;
     }
 }
 
 void Game::setPlayers(const QList<Player *> &players)
 {
     m_players = players;
 }
 
 void Game::setCurrentPlayer(Player *player)
 {
     m_currentPlayer = player;
 }
 
 bool Game::doFleetArrival(AttackFleet *fleet)
 {
     // First, sanity check
     if (fleet->arrivalTurn != m_turnCounter)
         return false;
 
     // Check to see of (fleet owner) == (planet owner)
     // if the planet and fleet owner are the same, then merge the fleets
     // otherwise attack.
     if( fleet->owner == fleet->destination->player()) {
         fleet->destination->fleet().absorb(fleet);
         if ( !fleet->owner->isAiPlayer() )
             Q_EMIT gameMsg(ki18np("Reinforcements (1 ship) have arrived for planet %2.",
                             "Reinforcements (%1 ships) have arrived for planet %2.")
                 .subs(fleet->shipCount()), nullptr, fleet->destination);
     } else {
         // let's get ready to rumble...
         AttackFleet   *attacker       = fleet;
         Planet        *attackerPlanet = attacker->source;
         Planet        *defenderPlanet = attacker->destination;
         DefenseFleet  &defender       = defenderPlanet->fleet();
 
         bool  haveVictor  = false;
         bool  planetHolds = true;
 
         while( !haveVictor ) {
             double  attackerRoll = random.bounded(1.0);
             double  defenderRoll = random.bounded(1.0);
 
             /* special case if both have 0 kill percentages */
             if( defenderPlanet->killPercentage() == 0 &&
                 attackerPlanet->killPercentage() == 0) {
                 if(attackerRoll <  defenderRoll )
                     makeKill(&defender, attackerPlanet->player());
                 else
                     makeKill(attacker, defenderPlanet->player());
             }
 
             if( defenderRoll < defenderPlanet->killPercentage() )
                 makeKill(attacker, defenderPlanet->player());
 
             if( attacker->shipCount() <= 0 ) {
                 haveVictor  = true;
                 planetHolds = true;
                 continue;
             }
             if( attackerRoll < attackerPlanet->killPercentage() )
                 makeKill(&defender, attackerPlanet->player());
 
             if( defender.shipCount() <= 0 ) {
                 haveVictor  = true;
                 planetHolds = false;
             }
         }
 
         if( planetHolds ) {
             defenderPlanet->player()->statEnemyFleetsDestroyed(1);
             Q_EMIT gameMsg(ki18n("Planet %2 has held against an attack from %1."),
                          attacker->owner, defenderPlanet);
         } else {
             Player *defender = defenderPlanet->player();
             attacker->owner->statEnemyFleetsDestroyed( 1 );
 
             defenderPlanet->conquer( attacker );
 
             Q_EMIT gameMsg(ki18n("Planet %2 has fallen to %1."),
                          attacker->owner, defenderPlanet, defender);
         }
     }
     return true;
 }
 
 void Game::makeKill(Fleet *fleet, Player *player)
 {
     fleet->removeShips( 1 );
     player->statEnemyShipsDestroyed( 1 );
 }
 
 void Game::findWinner()
 {
     //qDebug() << "Searching for survivors";
     // Check for survivors
     Player *winner = nullptr;
     for (Player *player : players()) {
         if (player->isNeutral() || player->isSpectator()) {
             continue;
         }
         if (!player->isDead()) {
             if (winner) {
                 //qDebug() << "Ok, returning 0";
                 return;
             } else {
                 winner = player;
             }
         }
     }
     //qDebug() << "Ok, returning " << winner;
     if (winner)
     {
         // We got a winner
         //qDebug() << "Trying to stop";
         this->stop();
         Q_EMIT finished();
     }
 }
 
 #include "moc_game.cpp"