void Overseer::update()
{
Ogre::WindowEventUtilities::messagePump();
Ogre::Real timeSinceLastFrame = (timer.getMilliseconds()-lastTime)/1000.0f;
lastTime = (Ogre::Real)timer.getMilliseconds();
inputManager->capture();
guiManager->update(timeSinceLastFrame);
stateMutex.lock();
if (!states.empty()) states.back()->update(timeSinceLastFrame);
manageStates();
stateMutex.unlock();
root->renderOneFrame();
}
void Game::gameLoop()
{
running = true;
const sf::Time dt = sf::seconds(1.f / ticksPerSecond);
sf::Time lastTime = gameTime.getElapsedTime();
sf::Time lag = sf::seconds(0);
#ifdef DEBUG
const float FRAMES_TO_TIME = 60.f;
sf::Clock framesClock;
unsigned int frameCounter = 0;
#endif
while(running)
{
sf::Time newTime = gameTime.getElapsedTime();
sf::Time frameTime = newTime - lastTime;
lastTime = newTime;
lag += frameTime;
while(lag >= dt)
{
handleEvents();
update(dt);
lag -= dt;
}
draw();
#ifdef DEBUG
// frames per second measurement
frameCounter++;
if(frameCounter >= FRAMES_TO_TIME)
{
fps.setString(std::to_string(FRAMES_TO_TIME / framesClock.restart().asSeconds()).substr(0, 8));
frameCounter = 0;
}
#endif
// make state changes last, since they affect everything else
manageStates();
}
}
