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Diffstat (limited to 'examples/bluetooth/pingpong/pingpong.cpp')
| -rw-r--r-- | examples/bluetooth/pingpong/pingpong.cpp | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/examples/bluetooth/pingpong/pingpong.cpp b/examples/bluetooth/pingpong/pingpong.cpp deleted file mode 100644 index abea85dc..00000000 --- a/examples/bluetooth/pingpong/pingpong.cpp +++ /dev/null @@ -1,440 +0,0 @@ -// Copyright (C) 2014 BlackBerry Limited. All rights reserved. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "pingpong.h" -#include <QDebug> -#include <QCoreApplication> - -PingPong::PingPong() -{ - m_timer = new QTimer(this); - connect(m_timer, &QTimer::timeout, this, &PingPong::update); -} - -PingPong::~PingPong() -{ - m_timer->stop(); - delete socket; - delete discoveryAgent; -} - -void PingPong::startGame() -{ - m_resultLeft = m_resultRight = 0; - emit resultChanged(); - m_showDialog = false; - emit showDialogChanged(); - //! [Start the game] - m_timer->start(10); - //! [Start the game] -} - -void PingPong::update() -{ - QByteArray size; - // Server is only updating the coordinates - //! [Updating coordinates] - if (m_role == 1) { - checkBoundaries(); - m_ballY += m_speedy; - m_ballX += m_speedx; - - size.setNum(m_ballX); - size.append(' '); - QByteArray size1; - size1.setNum(m_ballY); - size.append(size1); - size.append(' '); - size1.setNum(m_leftBlockY); - size.append(size1); - size.append(" \n"); - socket->write(size.constData()); - emit ballChanged(); - } - else if (m_role == 2) { - size.setNum(m_rightBlockY); - size.append(" \n"); - socket->write(size.constData()); - } - //! [Updating coordinates] -} - -void PingPong::updateBall(const float &bX, const float &bY) -{ - m_ballX = bX; - m_ballY = bY; -} - -void PingPong::updateLeftBlock(const float &lY) -{ - m_leftBlockY = lY; -} - -void PingPong::updateRightBlock(const float &rY) -{ - m_rightBlockY = rY; -} - -void PingPong::checkBoundaries() -{ - float ballWidth = 1.f / 27; - float blockSize = 1.f / 27; - float blockHeight = 1.f / 5; - - float ballCenterY = m_ballY + ballWidth / 2.; - //! [Checking the boundaries] - if (((m_ballX + ballWidth) > (1. - blockSize)) && (ballCenterY < (m_rightBlockY + blockHeight)) - && (ballCenterY > m_rightBlockY)) { - // right paddle collision - // simulating paddle surface to be a quarter of a circle - float paddlecenter = m_rightBlockY + blockHeight / 2.; - float relpos = (ballCenterY - paddlecenter) / (blockHeight / 2.); // [-1 : 1] - float surfaceangle = M_PI_4 * relpos; - - // calculation of surface normal - float normalx = -cos(surfaceangle); - float normaly = sin(surfaceangle); - - // calculation of surface tangent - float tangentx = sin(surfaceangle); - float tangenty = cos(surfaceangle); - - // calculation of tangentialspeed - float tangentialspeed = tangentx * m_speedx + tangenty * m_speedy; - // calculation of normal speed - float normalspeed = normalx * m_speedx + normaly * m_speedy; - - // speed increase of 10% - normalspeed *= 1.1f; - - if (normalspeed < 0) { // if we are coming from the left. To avoid double reflections - m_speedx = tangentialspeed * tangentx - normalspeed * normalx; - m_speedy = tangentialspeed * tangenty - normalspeed * normaly; - } - } else if ((m_ballX < blockSize) && (ballCenterY < (m_leftBlockY + blockHeight)) - && (ballCenterY > m_leftBlockY)) { - // left paddle collision - // simulating paddle surface to be a quarter of a circle - float paddlecenter = m_leftBlockY + blockHeight / 2.; - float relpos = (ballCenterY - paddlecenter) / (blockHeight / 2.); // [-1 : 1] - float surfaceangle = M_PI_4 * relpos; - - // calculation of surface normal - float normalx = cos(surfaceangle); - float normaly = sin(surfaceangle); - - // calculation of surface tangent - float tangentx = -sin(surfaceangle); - float tangenty = cos(surfaceangle); - - // calculation of tangentialspeed - float tangentialspeed = tangentx * m_speedx + tangenty * m_speedy; - // calculation of normal speed - float normalspeed = normalx * m_speedx + normaly * m_speedy; - - // speed increase of 10% - normalspeed *= 1.1f; - - if (normalspeed < 0) { // if we are coming from the left. To avoid double reflections - m_speedx = tangentialspeed * tangentx - normalspeed * normalx; - m_speedy = tangentialspeed * tangenty - normalspeed * normaly; - } - } else if (m_ballY < 0) { - m_speedy = std::abs(m_speedy); - } else if (m_ballY + ballWidth > 1.f) { - m_speedy = -std::abs(m_speedy); - } - //! [Checking the boundaries] - else if ((m_ballX + ballWidth) > 1.f) { - m_resultLeft++; - m_speedx = -0.002f; - m_speedy = -0.002f; - m_ballX = 0.5f; - m_ballY = 0.9f; - - checkResult(); - QByteArray result; - result.append("result "); - QByteArray res; - res.setNum(m_resultLeft); - result.append(res); - result.append(' '); - res.setNum(m_resultRight); - result.append(res); - result.append(" \n"); - socket->write(result); - qDebug() << result; - emit resultChanged(); - } else if (m_ballX < 0) { - m_resultRight++; - m_speedx = 0.002f; - m_speedy = -0.002f; - m_ballX = 0.5f; - m_ballY = 0.9f; - - checkResult(); - QByteArray result; - result.append("result "); - QByteArray res; - res.setNum(m_resultLeft); - result.append(res); - result.append(' '); - res.setNum(m_resultRight); - result.append(res); - result.append(" \n"); - socket->write(result); - emit resultChanged(); - } -} - -void PingPong::checkResult() -{ - if (m_resultRight < 10 && m_resultLeft < 10) - return; - - if (m_resultRight == 10 && m_role == 2) { - setMessage("Game over. You win! Next game starts in 10s"); - } - else if (m_resultRight == 10 && m_role == 1) { - setMessage("Game over. You lose! Next game starts in 10s"); - } - else if (m_resultLeft == 10 && m_role == 1) { - setMessage("Game over. You win! Next game starts in 10s"); - } - else if (m_resultLeft == 10 && m_role == 2) { - setMessage("Game over. You lose! Next game starts in 10s"); - } - m_timer->stop(); - QTimer::singleShot(10000, this, &PingPong::startGame); -} - -void PingPong::startServer() -{ - setMessage(QStringLiteral("Starting the server")); - - // make discoverable - QBluetoothLocalDevice().setHostMode(QBluetoothLocalDevice::HostDiscoverable); - - //! [Starting the server] - m_serverInfo = new QBluetoothServer(QBluetoothServiceInfo::RfcommProtocol, this); - connect(m_serverInfo, &QBluetoothServer::newConnection, - this, &PingPong::clientConnected); - connect(m_serverInfo, &QBluetoothServer::errorOccurred, this, &PingPong::serverError); - const QBluetoothUuid uuid(serviceUuid); - - m_serviceInfo = m_serverInfo->listen(uuid, QStringLiteral("PingPong server")); - //! [Starting the server] - if (m_serviceInfo.isValid()) { - setMessage(QStringLiteral("Server started, waiting for the client." - "You are the left player.")); - } - // m_role is set to 1 if it is a server - m_role = 1; - emit roleChanged(); -} - -void PingPong::startClient() -{ - //! [Searching for the service] - discoveryAgent = new QBluetoothServiceDiscoveryAgent(QBluetoothAddress()); - - connect(discoveryAgent, &QBluetoothServiceDiscoveryAgent::serviceDiscovered, - this, &PingPong::addService); - connect(discoveryAgent, &QBluetoothServiceDiscoveryAgent::finished, - this, &PingPong::done); - connect(discoveryAgent, &QBluetoothServiceDiscoveryAgent::errorOccurred, this, - &PingPong::serviceScanError); -#ifdef Q_OS_ANDROID - // QTBUG-61392 - discoveryAgent->setUuidFilter(QBluetoothUuid(androidUuid)); -#else - discoveryAgent->setUuidFilter(QBluetoothUuid(serviceUuid)); -#endif - discoveryAgent->start(QBluetoothServiceDiscoveryAgent::FullDiscovery); - - //! [Searching for the service] - if (discoveryAgent->error() == QBluetoothServiceDiscoveryAgent::NoError) - setMessage(QStringLiteral("Starting server discovery. You are the right player")); - // m_role is set to 2 if it is a client - m_role = 2; - emit roleChanged(); -} - -void PingPong::clientConnected() -{ - //! [Initiating server socket] - if (!m_serverInfo->hasPendingConnections()) { - setMessage("FAIL: expected pending server connection"); - return; - } - socket = m_serverInfo->nextPendingConnection(); - if (!socket) - return; - socket->setParent(this); - connect(socket, &QBluetoothSocket::readyRead, - this, &PingPong::readSocket); - connect(socket, &QBluetoothSocket::disconnected, - this, &PingPong::clientDisconnected); - connect(socket, &QBluetoothSocket::errorOccurred, this, &PingPong::socketError); - - //! [Initiating server socket] - setMessage(QStringLiteral("Client connected. Get ready!")); - QTimer::singleShot(3000, this, &PingPong::startGame); -} - -void PingPong::clientDisconnected() -{ - setMessage(QStringLiteral("Client disconnected")); - m_timer->stop(); -} - -void PingPong::socketError(QBluetoothSocket::SocketError error) -{ - Q_UNUSED(error); - m_timer->stop(); -} - -void PingPong::serverError(QBluetoothServer::Error error) -{ - setMessage(QStringLiteral("Server error occurred: ") + QVariant::fromValue(error).toString()); - m_timer->stop(); -} - -void PingPong::done() -{ - qDebug() << "Service scan done"; - if (!m_serviceFound && discoveryAgent->error() == QBluetoothServiceDiscoveryAgent::NoError) - setMessage("PingPong service not found"); -} - -void PingPong::addService(const QBluetoothServiceInfo &service) -{ - if (m_serviceFound) - return; - m_serviceFound = true; - - setMessage("Service found. Stopping discovery and creating connection..."); - discoveryAgent->stop(); - //! [Connecting the socket] - socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol); - socket->connectToService(service); - - connect(socket, &QBluetoothSocket::readyRead, this, &PingPong::readSocket); - connect(socket, &QBluetoothSocket::connected, this, &PingPong::serverConnected); - connect(socket, &QBluetoothSocket::disconnected, this, &PingPong::serverDisconnected); - //! [Connecting the socket] -} - -void PingPong::serviceScanError(QBluetoothServiceDiscoveryAgent::Error error) -{ - Q_UNUSED(error); - setMessage(QStringLiteral("Scanning error: ") + discoveryAgent->errorString()); -} - -bool PingPong::showDialog() const -{ - return m_showDialog; -} - -QString PingPong::message() const -{ - return m_message; -} - -void PingPong::serverConnected() -{ - setMessage("Server Connected. Get ready!"); - QTimer::singleShot(3000, this, &PingPong::startGame); -} - -void PingPong::serverDisconnected() -{ - setMessage("Server Disconnected"); - m_timer->stop(); -} - -void PingPong::readSocket() -{ - if (!socket) - return; - const char sep = ' '; - QByteArray line; - while (socket->canReadLine()) { - line = socket->readLine(); - //qDebug() << QString::fromUtf8(line.constData(), line.length()); - if (line.contains("result")) { - QList<QByteArray> result = line.split(sep); - if (result.size() > 2) { - QByteArray leftSide = result.at(1); - QByteArray rightSide = result.at(2); - m_resultLeft = leftSide.toInt(); - m_resultRight = rightSide.toInt(); - emit resultChanged(); - checkResult(); - } - } - } - if (m_role == 1) { - QList<QByteArray> boardSize = line.split(sep); - if (boardSize.size() > 1) { - QByteArray rightBlockY = boardSize.at(0); - m_rightBlockY = rightBlockY.toFloat(); - emit rightBlockChanged(); - } - } else if (m_role == 2) { - QList<QByteArray> boardSize = line.split(sep); - if (boardSize.size() > 2) { - QByteArray ballX = boardSize.at(0); - QByteArray ballY = boardSize.at(1); - QByteArray leftBlockY = boardSize.at(2); - m_ballX = ballX.toFloat(); - m_ballY = ballY.toFloat(); - m_leftBlockY = leftBlockY.toFloat(); - emit leftBlockChanged(); - emit ballChanged(); - } - } -} - -void PingPong::setMessage(const QString &message) -{ - m_showDialog = true; - m_message = message; - emit showDialogChanged(); -} - -int PingPong::role() const -{ - return m_role; -} - -int PingPong::leftResult() const -{ - return m_resultLeft; -} - -int PingPong::rightResult() const -{ - return m_resultRight; -} - -float PingPong::ballX() const -{ - return m_ballX; -} - -float PingPong::ballY() const -{ - return m_ballY; -} - - -float PingPong::leftBlockY() const -{ - return m_leftBlockY; -} - -float PingPong::rightBlockY() const -{ - return m_rightBlockY; -} |