minimal.cpp

#include <thread>
#include <memory>

#include "pst-sdk.h"
#include "TrackerExceptions.h"

/*
 * Implementation of the PSTech::pstsdk::Listener class to receive tracking data.
 * The OnTrackerData() callback function receives the data as soon as it becomes
 * available and prints the tracking target pose to the command line.
 */
class MyListener : public PSTech::pstsdk::Listener
{
    virtual void OnTrackerData(PSTech::pstsdk::TrackerData& td)
    {
        // Do something with the tracker data in td
    }
} listener;

/*
 * Create a shared pointer for storing the PSTech::pstsdk::Tracker object instance.
 * By making use of a shared pointer, proper destruction of the PST Tracker connection
 * is ensured in case the application is shut down.
 */
std::shared_ptr<PSTech::pstsdk::Tracker> pst;

int main(int argc, char *argv[])
{
    // Implement error handling of PSTech::TrackerException exceptions to prevent 
    // improper PST Tracker shutdown on errors.
    try
    {
        // Create an instance of the Tracker object using the default configuration path and file names.
        pst = std::make_shared<PSTech::pstsdk::Tracker>();
        
        // Register the listener object to the tracker server.
        pst->AddTrackerListener(&listener);

        // Start the tracker server.
        pst->Start();
        
        // Wait for 10 seconds, allowing for the detection of tracking targets.
        std::this_thread::sleep_for(std::chrono::seconds(10));
    }
    catch (PSTech::TrackerException &e)
    {
        // Do something with the error.
    }

    // Make sure that the connection to the PST Tracker is shut down properly.
    pst->Shutdown();

    return 0;
}