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#include "server.h"
#include <QtNetwork/QTcpServer>
#include <QtNetwork/QTcpSocket>
#include "util.h"
#include "pacman.pb.h"
Server::Server(QWidget *parent)
: SceneHolder(parent)
{
qDebug() << "waiting for clients";
waitForClientConnections();
qDebug() << "clients connected";
updateMap(Util::createDummyMap());
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(tick()));
timer->start(Constants::tick);
}
void Server::tick()
{
qDebug() << "doing srv update";
Transmission::map_t map = calculateUpdates();
updateMap(map);
QSharedPointer<ProtoBuf::MapUpdate> packet = createUpdatePacket(map);
sendUpdate(packet);
}
Transmission::map_t Server::calculateUpdates()
{
Transmission::map_t map = Util::createEmptyMap();
QMapIterator<Color::Color, Actor::Movement> i(m_actorMovements);
while (i.hasNext()) {
i.next();
Actor *actor = m_actors.value( i.key() );
QPoint mapPosition = CoordToMapPosition(actor->x(), actor->y());
qDebug() << "actor " << i.key() << " is at " << mapPosition;
map[mapPosition.x()][mapPosition.y()] = Transmission::empty;
QPoint newMapPosition = mapPosition;
switch (i.value()) {
case Actor::Up: newMapPosition += QPoint(0, -1); break;
case Actor::Down: newMapPosition += QPoint(0, 1); break;
case Actor::Left: newMapPosition += QPoint(-1, 0); break;
case Actor::Right: newMapPosition += QPoint(1, 0); break;
case Actor::None: break;
default: Q_ASSERT(false);
}
map[newMapPosition.x()][newMapPosition.y()] =
Transmission::pacman | i.key() |
Util::actorMovementToTransmission(i.value()) ;
}
return map;
}
QSharedPointer< ProtoBuf::MapUpdate > Server::createUpdatePacket(Transmission::map_t map)
{
QSharedPointer<ProtoBuf::MapUpdate> updatePacket =
QSharedPointer<ProtoBuf::MapUpdate>(new ProtoBuf::MapUpdate);
for (unsigned int x = 0; x < Constants::map_size.width; ++x) {
for (unsigned int y = 0; y < Constants::map_size.height; ++y) {
updatePacket->add_field(map[x][y]);
}
}
//qDebug() << "field sz "<< updatePacket->field_size();
return updatePacket;
}
void Server::waitForClientConnections()
{
QTcpServer *tcpSrv = new QTcpServer(this);
// server must stay alive as long as sockets (qt parent mem mechanism)
tcpSrv->listen(QHostAddress::Any, Constants::port);
//for (unsigned int i=0; i<Color::max; ++i) {
for (unsigned int i=0; i<1; ++i) {
bool connectionAvailable = tcpSrv->waitForNewConnection(-1);
Q_ASSERT(connectionAvailable);
QTcpSocket *socket = tcpSrv->nextPendingConnection();
// TODO: color assignment
m_clientConnections[Color::red] = socket;
connect(socket, SIGNAL(readyRead()), this, SLOT(keyPressUpdate()));
}
}
void Server::sendUpdate(QSharedPointer< ProtoBuf::MapUpdate > packet)
{
std::string dataStr = packet->SerializeAsString();
const char *data = dataStr.c_str();
foreach(QTcpSocket *socket, m_clientConnections) {
//qDebug() << "sending str len: " << dataStr.length();
int bytesWritten = socket->write(data, dataStr.length());
Q_ASSERT(bytesWritten == dataStr.length());
}
foreach(QTcpSocket *socket, m_clientConnections) {
socket->flush();
}
}
void Server::keyPressUpdate()
{
qDebug() << "kpress";
QMapIterator<Color::Color, QTcpSocket*> i(m_clientConnections);
while (i.hasNext()) {
i.next();
Color::Color color = i.key();
QTcpSocket *socket = i.value();
qDebug() << "data?";
if (socket->bytesAvailable() > 0) {
qDebug() << "data!";
QByteArray data = socket->readAll();
// see mainwidget.cpp:153
std::string dataStr;
for (int i = 0; i < data.size(); ++i) {
dataStr += data[i];
}
ProtoBuf::KeyPressUpdate packet;
packet.ParseFromString(dataStr);
Transmission::field_t direction = packet.newkey();
qDebug() << "data:" << direction;
m_actorMovements[ color ] = Util::transmissionMovementToActor(direction);
}
}
}
int main(int argc, char ** argv)
{
GOOGLE_PROTOBUF_VERIFY_VERSION;
QApplication app(argc, argv);
app.setApplicationName("Pacman Server");
app.setWindowIcon(QIcon(":/appicon"));
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
Server Server;
return app.exec();
}
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