std::string PlanetWarsGame::toString(Player* pov) const {
std::stringstream gameState;
const int numPlanets = static_cast<int>(m_planets.size());
//Write the planets.
for (int i = 0; i < numPlanets; ++i) {
Planet* planet = m_planets[i];
gameState << "P " << planet->getX()
<< " " << planet->getY()
<< " " << pov->povId(planet->getOwner())
<< " " << planet->getNumShips()
<< " " << planet->getGrowthRate()
<< std::endl;
}
//Write the fleets.
for (FleetList::const_iterator it = m_fleets.begin(); it != m_fleets.end(); ++it) {
Fleet* fleet = (*it);
gameState << "F " << pov->povId(fleet->getOwner())
<< " " << fleet->getNumShips()
<< " " << fleet->getSource()->getId()
<< " " << fleet->getDestination()->getId()
<< " " << fleet->getTotalTripLength()
<< " " << fleet->getTurnsRemaining()
<< std::endl;
}
gameState << "go" << std::endl;
return gameState.str();
}
void Planet::welcomeArrivedFleets() {
const int ownerId = m_owner->getId();
//Tally up the ships for each force.
const int numArrivedFleets = static_cast<int>(m_landedFleets.size());
if (numArrivedFleets == 0) {
return;
}
int playerShips[3];
playerShips[0] = (ownerId == 0) ? m_numShips : 0;
playerShips[1] = (ownerId == 1) ? m_numShips : 0;
playerShips[2] = (ownerId == 2) ? m_numShips : 0;
for (int i = 0; i < numArrivedFleets; ++i) {
Fleet* fleet = m_landedFleets[i];
playerShips[fleet->getOwner()->getId()] += fleet->getNumShips();
}
m_landedFleets.clear();
//Check who won.
//Check whether the owner stays the same.
if (playerShips[ownerId] >= std::max(playerShips[(ownerId+1)%3], playerShips[(ownerId+2)%3])) {
this->setNumShips(playerShips[ownerId]
- std::max(playerShips[(ownerId+1)%3], playerShips[(ownerId+2)%3]));
return;
}
//Otherwise, find the new owner.
if (playerShips[1] > playerShips[2]) {
this->setOwner(m_game->getFirstPlayer());
const int remainingShips = playerShips[1] - std::max(playerShips[2], playerShips[0]);
this->setNumShips(remainingShips);
} else if (playerShips[2] > playerShips[1]) {
this->setOwner(m_game->getSecondPlayer());
const int remainingShips = playerShips[2] - std::max(playerShips[1], playerShips[0]);
this->setNumShips(remainingShips);
} else if (ownerId == 0 && playerShips[2] == playerShips[1]) {
//The invading fleets are larger than the neutral planet, but equal in size.
//Planet stays neutral.
this->setNumShips(0);
}
//There should be no other cases.
}
void PlanetWarsGame::completeStep() {
//Proceed only if there's an unfinished step.
if (STEPPING != m_state) {
return;
}
m_state = PROCESSING;
//Clear the old new fleets.
m_newFleets.clear();
//Read and process the the responses from each of the players.
std::string firstPlayerOutput(m_firstPlayer->readCommands());
std::string secondPlayerOutput(m_secondPlayer->readCommands());
bool isFirstPlayerRunning = this->processOrders(firstPlayerOutput, m_firstPlayer);
bool isSecondPlayerRunning = this->processOrders(secondPlayerOutput, m_secondPlayer);
//Check whether the players are still alive.
if (!isFirstPlayerRunning || !isSecondPlayerRunning) {
this->stop();
return;
}
this->advanceGame();
//Check each player's position.
int firstPlayerShips = 0;
int secondPlayerShips = 0;
const int numPlanets = static_cast<int>(m_planets.size());
for (int i = 0; i < numPlanets; ++i) {
Planet* planet = m_planets[i];
const int ownerId = planet->getOwner()->getId();
if (1 == ownerId) {
firstPlayerShips += planet->getNumShips();
} else if (2 == ownerId) {
secondPlayerShips += planet->getNumShips();
}
}
for (FleetList::iterator it = m_fleets.begin(); it != m_fleets.end(); ++it) {
Fleet* fleet = *it;
if (1 == fleet->getOwner()->getId()) {
firstPlayerShips += fleet->getNumShips();
} else {
secondPlayerShips += fleet->getNumShips();
}
}
emit turnEnded();
//Check for game end conditions.
bool isGameOver = false;
if (firstPlayerShips == 0 && secondPlayerShips == 0) {
this->logMessage("Draw.");
isGameOver = true;
} else if (firstPlayerShips == 0) {
this->logMessage("Player 2 wins.");
isGameOver = true;
} else if (secondPlayerShips == 0) {
this->logMessage("Player 1 wins.");
isGameOver = true;
} else if (m_turn >= m_maxTurns) {
if (firstPlayerShips > secondPlayerShips) {
this->logMessage("Player 1 wins.");
isGameOver = true;
} else if (firstPlayerShips < secondPlayerShips) {
this->logMessage("Player 2 wins.");
isGameOver = true;
} else {
this->logMessage("Draw.");
isGameOver = true;
}
}
if (isGameOver) {
this->stop();
return;
}
//Game is not over.
m_state = READY;
this->continueRunning();
}
void GameController::onChangeTurn()
{
currentTurn++;
/* impose production on owned planets */
for(int i=0; i<players.size(); i++)
{
Player* tempP = players[i];
for(int j=0; j<players[i]->getPlanets().size(); j++)
{
Planet* tempPl = tempP->getPlanets()[j];
tempPl->setShips( tempPl->getShips() + tempPl->getProduction());
}
}
for(int k=0; k<fleets.size(); k++)
{
Fleet* tempF = fleets[k];
/* fleet has arrived */
if(fleets[k]->getArrivalTurn() == currentTurn)
{
/* fleet owner same as destination owner, so reinforcing a planet */
if(tempF->getOwner() == tempF->getDestination()->getOwner())
{
tempF->getDestination()->setShips(tempF->getDestination()->getShips() + tempF->getNumShips());
}
else /* attacking planet */
{
double attackScore, defenseScore;
attackScore = tempF->getNumShips()*tempF->getKillPercent();
defenseScore = tempF->getDestination()->getShips()*tempF->getDestination()->getKillPercent();
if(attackScore >= defenseScore) /* attackers win */
{
if(tempF->getDestination()->getOwner() != NULL)
tempF->getDestination()->getOwner()->removeFromPlanets(tempF->getDestination());
tempF->getOwner()->addToPlanets(tempF->getDestination());
tempF->getDestination()->setOwner(tempF->getOwner());
tempF->getDestination()->setShips((int)attackScore-defenseScore);
emit displayInfo(QString("Turn %1: Planet %2 has fallen to %3").arg(currentTurn).arg(tempF->getDestination()->getName()).arg(tempF->getOwner()->getName()));
}
else /* defense wins */
{
tempF->getDestination()->setShips((int)defenseScore-attackScore);
emit displayInfo(QString("Turn %1: Planet %2 has held against an attack from %3.").arg(currentTurn).arg(tempF->getDestination()->getName()).arg(tempF->getOwner()->getName()));
}
}
/* processed fleet, so remove it */
fleets.removeAt(k);
}
}
if(currentPlayer < players.size() - 1)
currentPlayer++;
else
currentPlayer = 0;
emit displayControl(QString("<font color=%1>%2</font>:Select source planet").arg(players[currentPlayer]->getColor().name()).arg(players[currentPlayer]->getName()));
}