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/********************************************************************************
* FaceTrackNoIR This program is a private project of the some enthusiastic *
* gamers from Holland, who don't like to pay much for *
* head-tracking. *
* *
* Copyright (C) 2010-2011 Wim Vriend (Developing) *
* Ron Hendriks (Researching and Testing) *
* *
* Homepage *
* *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 3 of the License, or (at your *
* option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
* more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, see <http://www.gnu.org/licenses/>. *
* *
* FTNServer FTNServer is the Class, that communicates headpose-data *
* to another FaceTrackNoIR program, using UDP. *
* It is based on the (Linux) example made by Melchior FRANZ. *
********************************************************************************/
#include "ftnoir_protocol_ftn.h"
#include <QFile>
#include "facetracknoir/global-settings.h"
/** constructor **/
FTNoIR_Protocol::FTNoIR_Protocol()
{
loadSettings();
outSocket = 0;
}
/** destructor **/
FTNoIR_Protocol::~FTNoIR_Protocol()
{
if (outSocket != 0) {
outSocket->close();
delete outSocket;
}
}
//
// Load the current Settings from the currently 'active' INI-file.
//
void FTNoIR_Protocol::loadSettings() {
QSettings settings("opentrack"); // Registry settings (in HK_USER)
QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/settings/default.ini" ).toString();
QSettings iniFile( currentFile, QSettings::IniFormat ); // Application settings (in INI-file)
iniFile.beginGroup ( "FTN" );
QString destAddr = iniFile.value ( "IP-1", 192 ).toString() + "." + iniFile.value ( "IP-2", 168 ).toString() + "." + iniFile.value ( "IP-3", 2 ).toString() + "." + iniFile.value ( "IP-4", 1 ).toString();
destIP = QHostAddress( destAddr );
destPort = iniFile.value ( "PortNumber", 5550 ).toInt();
iniFile.endGroup ();
}
//
// Update Headpose in Game.
//
void FTNoIR_Protocol::sendHeadposeToGame(const double *headpose) {
int no_bytes;
double test_data[6];
//
// Copy the Raw measurements directly to the client.
//
for (int i = 0; i < 6; i++)
test_data[i] = headpose[i];
//
// Try to send an UDP-message to the receiver
//
//! [1]
if (outSocket != 0) {
no_bytes = outSocket->writeDatagram((const char *) test_data, sizeof( test_data ), destIP, destPort);
if ( no_bytes > 0) {
// qDebug() << "FTNServer::writePendingDatagrams says: bytes send =" << no_bytes << sizeof( double );
}
else {
qDebug() << "FTNServer::writePendingDatagrams says: nothing sent!";
}
}
}
//
// Check if the Client DLL exists and load it (to test it), if so.
// Returns 'true' if all seems OK.
//
bool FTNoIR_Protocol::checkServerInstallationOK()
{
if (outSocket == 0) {
outSocket = new QUdpSocket();
}
return true;
}
////////////////////////////////////////////////////////////////////////////////
// Factory function that creates instances if the Protocol object.
// Export both decorated and undecorated names.
// GetProtocol - Undecorated name, which can be easily used with GetProcAddress
// Win32 API function.
// _GetProtocol@0 - Common name decoration for __stdcall functions in C language.
//#pragma comment(linker, "/export:GetProtocol=_GetProtocol@0")
extern "C" FTNOIR_PROTOCOL_BASE_EXPORT IProtocol* CALLING_CONVENTION GetConstructor()
{
return new FTNoIR_Protocol;
}
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