Function nthread_has_500ms_passed

Source/nthread.cpp:217–247

}

bool nthread_has_500ms_passed(bool *drawGame /*= nullptr*/)
{
	int currentTickCount = SDL_GetTicks();
	int ticksElapsed = currentTickCount - last_tick;
	// Check if we missed multiple game ticks (> 10)
	if (ticksElapsed > gnTickDelay * 10) {
		bool resetLastTick = true;
		if (gbIsMultiplayer) {
			for (size_t i = 0; i < Players.size(); i++) {
				if ((player_state[i] & PS_CONNECTED) != 0 && i != MyPlayerId) {
					// Reset last tick is not allowed when other players are connected, cause the elapsed time is needed to sync the game ticks between the clients
					resetLastTick = false;
					break;
				}
			}
		}
		if (resetLastTick) {
			// Reset last tick to avoid catching up with all missed game ticks (game speed is dramatically increased for a short time)
			last_tick = currentTickCount;
			ticksElapsed = 0;
		}
	}
	if (drawGame != nullptr) {
		// Check if we missed a game tick.
		// This can happen when we run a low-end device that can't render fast enough (typically 20fps).
		// If this happens, try to speed-up the game by skipping the rendering.
		// This avoids desyncs and hourglasses when running multiplayer and slowdowns in singleplayer.
		*drawGame = ticksElapsed <= gnTickDelay;
	}
	return ticksElapsed >= 0;
}

void nthread_UpdateProgressToNextGameTick()
{