Method Tick

src/World.cpp:714–766

void cWorld::Tick(float a_Dt, int a_LastTickDurationMSec)
{
	// Call the plugins
	cPluginManager::Get()->CallHookWorldTick(*this, a_Dt, a_LastTickDurationMSec);
	
	// We need sub-tick precision here, that's why we store the time in seconds and calculate ticks off of it
	m_WorldAgeSecs  += (double)a_Dt / 1000.0;
	m_TimeOfDaySecs += (double)a_Dt / 1000.0;

	// Wrap time of day each 20 minutes (1200 seconds)
	if (m_TimeOfDaySecs > 1200.0)
	{
		m_TimeOfDaySecs -= 1200.0;
	}

	m_WorldAge  = (Int64)(m_WorldAgeSecs  * 20.0);
	m_TimeOfDay = (Int64)(m_TimeOfDaySecs * 20.0);

	// Updates the sky darkness based on current time of day
	UpdateSkyDarkness();

	// Broadcast time update every 40 ticks (2 seconds)
	if (m_LastTimeUpdate < m_WorldAge - 40)
	{
		BroadcastTimeUpdate();
		m_LastTimeUpdate = m_WorldAge;
	}

	m_ChunkMap->Tick(a_Dt);

	TickClients(a_Dt);
	TickQueuedBlocks();
	TickQueuedTasks();
	TickScheduledTasks();
	
	GetSimulatorManager()->Simulate(a_Dt);

	TickWeather(a_Dt);

	m_ChunkMap->FastSetQueuedBlocks();

	if (m_WorldAge - m_LastSave > 60 * 5 * 20) // Save each 5 minutes
	{
		SaveAllChunks();
	}

	if (m_WorldAge - m_LastUnload > 10 * 20) // Unload every 10 seconds
	{
		UnloadUnusedChunks();
	}

	TickMobs(a_Dt);
}