void Game::Loop(void) {
Logger::Log() << "Loop()";
// Clock used in restricting Update loop to a fixed rate
sf::Clock update_clock;
update_clock.Reset();
// Update immediately
Uint32 next_update = update_clock.GetElapsedTime();
// Loop while IsRunning returns true
while(IsRunning() && window.IsOpened()) {
IState* currentState = stateManager.GetActiveState();
// Check for corrupt state returned by our StateManager
assert(NULL != currentState && "Game::Loop() received a bad pointer");
while (update_clock.GetElapsedTime() > next_update) {
sf::Event event;
while(window.PollEvent(event)) {
switch (event.Type) {
case sf::Event::Closed: // Window closed
Quit(EXIT_SUCCESS);
break;
case sf::Event::GainedFocus: // Window gained focus
// resume state
currentState->Resume();
break;
case sf::Event::LostFocus: // Window lost focus
// Pause state
currentState->Pause();
break;
case sf::Event::Resized: // Window resized
break;
default:
// Allow state to handle events
currentState->HandleEvents(event);
break;
}
}
// Update current state
currentState->UpdateFixed();
next_update += update_rate;
}
// Draw current state
currentState->Draw();
window.Display();
// Cleanup state
}
}
