Function threadFunction

examples/island/Island.cpp:338–379

/////////////////////////////////////////////////////// Worker thread entry point. We use a thread pool to avoid the heavy cost of constantly recreating and starting new threads whenever we need to regenerate the terrain. ///////////////////////////////////////////////////////

///
////////////////////////////////////////////////////////////
void threadFunction()
{
    std::vector<sf::Vertex> vertices(resolution.x * rowBlockSize * 6);

    WorkItem workItem = {nullptr, 0};

    // Loop until the application exits
    for (;;)
    {
        workItem.targetBuffer = nullptr;

        // Check if there are new work items in the queue
        {
            const std::lock_guard lock(workQueueMutex);

            if (!workPending)
                return;

            if (!workQueue.empty())
            {
                workItem = workQueue.front();
                workQueue.pop();
            }
        }

        // If we didn't receive a new work item, keep looping
        if (!workItem.targetBuffer)
        {
            sf::sleep(sf::milliseconds(10));

            continue;
        }

        processWorkItem(vertices, workItem);

        {
            const std::lock_guard lock(workQueueMutex);

            --pendingWorkCount;
        }
    }
}


////////////////////////////////////////////////////////////