void MapReduceProgress::timerEvent(QTimerEvent* event)
{
updateTimeElapsed();
}
void Game::run() {
if (!initialized) {
return;
}
instance = newInstance;
newInstance = nullptr;
Assets::clean();
Thread updateThread([]() {
lastUpdate = Time::get();
while (!metallicar::quit && instance) {
bool updated = false;
updateTimeElapsed();
while (timeElapsedGreaterThanStep()) {
updated = true;
renderingBackBuffer->clear();
Input::pollEvents();
instance->update();
instance->render();
if (newInstance) { // change instance
delete instance;
instance = newInstance;
newInstance = nullptr;
Assets::clean();
}
}
if (updated) { // swap rendering buffers
renderingBuffersLock.mutexlock();
map<double, list<function<void()>>>* tmp = renderingFrontBuffer;
renderingFrontBuffer = renderingBackBuffer;
renderingBackBuffer = tmp;
renderingBuffersLock.unlock();
}
Thread::sleep(1);
}
});
updateThread.start();
Thread audioCleanupThread([]() {
while (!metallicar::quit && instance) {
Audio::clean();
Thread::sleep(500);
}
});
audioCleanupThread.start();
// main thread (I/O)
while (!metallicar::quit && instance) {
updateFPS();
Input::pollWindowEvents();
// copy front buffer
renderingBuffersLock.mutexlock();
map<double, list<function<void()>>> renderers(*renderingFrontBuffer);
renderingBuffersLock.unlock();
// render
Graphics::prepareFrame();
for (auto& kv : renderers) {
for (auto& renderer : kv.second) {
renderer();
}
}
Graphics::finalizeFrame();
Window::update();
}
updateThread.join();
audioCleanupThread.join();
}
void MapReduceProgress::showEvent(QShowEvent* event)
{
m_timeElapsed.start();
m_timerId = startTimer(1000);
updateTimeElapsed();
}
