Russian Qt Forum

struct Input
{
   bool startflag;
   int player;
    bool t_dead;
    int t_dir;
    int t_posx;
    int t_posy;
    int t_movex;
    int t_movey;
    int b_posx;
    int b_posy;
    int b_dir;
};

struct PlayerInfo
{
    int players;
    int myPlayerNum;
};

const int startPos[6][2]={{400,400},{0,0}, {400,200} , {200,150}, {600,350}, {300,300}   };

Widget::Widget(QWidget *parent) :
    QWidget(parent)
{
    setupUi(this);
    server = new QTcpServer(this);
    socket1 = new QTcpSocket(this);
    socket2 = new QTcpSocket(this);
    connect(server, SIGNAL(newConnection()), this , SLOT(OnClientConnected()));
    server->setMaxPendingConnections(2);
    players=0;
    server->listen(QHostAddress::Any);
    label->setText(MyIp::GetMyIp()+":"+QString::number(server->serverPort()));

    player1 = new Input;
    player2 = new Input;
    player1->t_posx = 400;
    player1->t_posy = 400;
    player1->t_dir = 1;
    player1->t_dead = false;
    player2->t_posx = 0;
    player2->t_posy = 0;
    player2->t_dir = 1;
    player2->t_dead = false;
}

void Widget::OnClientConnected()
{
    players++;
    QMessageBox::information(this,"connection!","client connected!");
    switch(players)
    {
    case 1:
        socket1 = server->nextPendingConnection();
        connect(socket1, SIGNAL(readyRead()), this, SLOT(OnReceiveData()));
        connect(socket1, SIGNAL(disconnected()), this, SLOT(OnClientDisconnected()));
        this->listWidget->addItem(socket1->peerAddress().toString()+":"+QString::number(socket1->peerPort()) );
        break;
    case 2:
        socket2 = server->nextPendingConnection();
        connect(socket2, SIGNAL(readyRead()), this, SLOT(OnReceiveData()));
        connect(socket2, SIGNAL(disconnected()), this, SLOT(OnClientDisconnected()));
        this->listWidget->addItem(socket2->peerAddress().toString()+":"+QString::number(socket2->peerPort()) );
        break;
    default:
//        server->nextPendingConnection()->abort();
        players--;
        QMessageBox::information(this,"disconection!","client disconected because already 2 players!");
    }

}

void Widget::OnClientDisconnected()
{
   if (socket1->state()!=QAbstractSocket::ConnectedState)
       this->listWidget->takeItem(0);
   if(socket2->state()!=QAbstractSocket::ConnectedState)
       this->listWidget->takeItem(1);
   players--;
}

void Widget::OnReceiveData()
{
    while(socket1->bytesAvailable())
        socket1->read((char*)player1,sizeof(*player1));
    while(socket2->bytesAvailable())
        socket2->read((char*)player2,sizeof(*player2));
    SendData();

}

void Widget::SendData()
{
    socket1->write((char*)player2,sizeof(*player2));
    socket2->write((char*)player1,sizeof(*player1));
    player1->b_posx = -1;
    player1->b_posy = -1;
    player2->b_posx = -1;
    player2->b_posy = -1;

}

void Widget::SendPlayerInfo()
{
    PlayerInfo *info= new PlayerInfo;
    info->players=players;
    info->myPlayerNum=1;
    socket1->write((char*)info, sizeof(*info));
    info->myPlayerNum=2;
    socket2->write((char*)info, sizeof(*info));

}

void Widget::on_pushButton_clicked()
{
    if(players!=2)
        QMessageBox::information(this,"Fail","Can't start the game with 1 player!");
    else
        SendPlayerInfo();
}