Subversion Repositories QTron

#include "bike.h"

Bike::Bike(QTcpSocket *sock, int i)
{
        socket = sock;
        id = i;

        connect(socket, SIGNAL(readyRead()), this, SLOT(readyRead()));
        connect(socket, SIGNAL(disconnected()), this, SLOT(disconnected()));

        isDisconnected = false;

        x = rand() % 800;
        y = rand() % 600;
        linePoints.append(QPoint(x, y));

        velocity = 1;
        angle = 0;
        name = "";
        show = false;
        isReady = false;
        hadGo = false;
        dead = false;
        collided = false;

        colour.setBlue(0);
        colour.setRed(0);
        colour.setGreen(0);

        if (!socket->waitForReadyRead(2000))
        {
                socket->disconnectFromHost();
                show = false;
                isReady = true;
                hadGo = false;
        }
}

void Bike::draw(QPainter *painter)
{
        if (show)
        {
                painter->setPen(colour);
                painter->setFont(QFont("sans", 12));

                for (int i = 0; i < linePoints.count(); i++)
                {
                        QPoint point1;
                        QPoint point2;
                        if (i == 0)
                        {
                                point1 = linePoints[0];
                        }
                        else
                        {
                                point1 = linePoints[i - 1];
                        }

                        point2 = linePoints[i];

                        painter->drawLine(point1, point2);
                }

                if (!collided)
                {
                        collided = hasCollided();

                        if (angle == 0)
                        {
                                y -= velocity;
                        }
                        else if (angle == 90)
                        {
                                x += velocity;
                        }
                        else if (angle == 180)
                        {
                                y += velocity;
                        }
                        else if (angle == 270)
                        {
                                x -= velocity;
                        }
                }
                else
                {
                        linePoints.clear();
                }

                if (angle == 0 || angle == 180)
                {
                        painter->fillRect(x - 5, y - 15, 10, 30, colour);
                }
                else
                {
                        painter->fillRect(x - 15, y - 5, 30, 10, colour);
                }

                painter->drawText(x, y - 20, name);
        }
}

void Bike::run(QList<Bike *> bikes)
{
        for (int i = 0; i < bikes.count(); i++)
        {
                Bike *bike = bikes[i];
                if (bike->isReady && bike->show)
                {
                        if (bike->dead)
                        {
                                socket->write("DEAD ");
                                socket->write(bike->name.toAscii());
                                socket->write("\n");
                        }
                        else
                        {
                                socket->write("BIKE ");
                                socket->write(bike->name.toAscii());
                                socket->write(" ");
                                socket->write(QString::number(bike->x).toAscii());
                                socket->write(" ");
                                socket->write(QString::number(bike->y).toAscii());
                                socket->write(" ");
                                socket->write(QString::number(bike->colour.red()).toAscii());
                                socket->write(" ");
                                socket->write(QString::number(bike->colour.green()).toAscii());
                                socket->write(" ");
                                socket->write(QString::number(bike->colour.blue()).toAscii());
                                socket->write("\n");
                        }
                }
        }

        linePoints.append(QPoint(x, y));

        if (dead)
        {
                show = false;
                isReady = true;
                hadGo = false;
                dead = false;
        }

        if (!dead)
        {
                socket->write("G\n");
                socket->flush();

                hadGo = false;
                if (!socket->waitForReadyRead(2000))
                {
                        socket->disconnectFromHost();
                        dead = true;
                }
                if (!hadGo)
                {
                        socket->disconnectFromHost();
                        dead = true;
                }
        }
        hasHadGo = true;
}

bool Bike::hasCollided()
{
        // Do collision detection here
        // use linePoints

        return false;
}

void Bike::reset()
{
        x = rand() % 800;
        y = rand() % 600;
        linePoints.clear();

        linePoints.append(QPoint(x, y));

        velocity = 1;
        angle = 0;
        show = true;
        isReady = true;
        hadGo = false;
        dead = false;
        collided = false;

        socket->write("RESET\n");
}

void Bike::readyRead()
{
        while (socket->canReadLine())
        {
                QByteArray data = socket->readLine();
                QString line = data.trimmed();

                if (line == "L")
                {
                        angle -= 90;

                        if (angle >= 360)
                        {
                                angle -= 360;
                        }
                        if (angle < 0)
                        {
                                angle += 360;
                        }
                        hadGo = true;
                }
                else if (line == "R")
                {
                        angle += 90;

                        if (angle >= 360)
                        {
                                angle -= 360;
                        }
                        if (angle < 0)
                        {
                                angle += 360;
                        }
                        hadGo = true;
                }
                else if (line == "A")
                {
                        velocity += 0.1;
                        hadGo = true;
                }
                else if (line == "D")
                {
                        velocity -= 0.2;
                        hadGo = true;
                }
                else if (line == "N")
                {
                        hadGo = true;
                }
                else if (line.startsWith("NAME "))
                {
                        name = line.remove(0, 5);
                        isReady = true;
                        show = true;
                }
                else if (line.startsWith("COLOUR "))
                {
                        QStringList list = line.split(" ");
                        if (list.count() >= 2)
                        {
                                colour.setRed(list[1].toInt());
                        }
                        if (list.count() >= 3)
                        {
                                colour.setGreen(list[2].toInt());
                        }
                        if (list.count() >= 4)
                        {
                                colour.setBlue(list[3].toInt());
                        }
                }
        }
}

void Bike::disconnected()
{
        dead = true;
        isDisconnected = true;
        cout << ":: Disconnected: " << socket->peerAddress().toString().toStdString() << endl;
}