void UpdateAllSystems()
{
if (m_systemSortDirty)
{
SortSystems();
}
// Update all unmanaged and managed systems together, in the correct sort order.
// The master update list contains indices for both managed and unmanaged systems.
// Negative values indicate an index in the unmanaged system list.
// Positive values indicate an index in the managed system list.
for (int i = 0; i < m_MasterUpdateList.Length; ++i)
{
try
{
var index = m_MasterUpdateList[i];
if (!index.IsManaged)
{
// Update unmanaged (burstable) code.
SystemState *sys = World.ResolveSystemState(m_UnmanagedSystemsToUpdate[index.Index]);
if (sys != null)
{
if (SystemBase.UnmanagedUpdate(sys, out var details))
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
var metaIndex = sys->m_UnmanagedMetaIndex;
var systemDebugName = SystemBaseRegistry.GetDebugName(metaIndex);
var errorString = details.FormatToString(systemDebugName);
Debug.LogError(errorString);
#endif
}
}
}
else
{
// Update managed code.
var sys = m_systemsToUpdate[index.Index];
sys.Update();
}
}
catch (Exception e)
{
Debug.LogException(e);
#if UNITY_DOTSPLAYER
// When in a DOTS Runtime build, throw this upstream -- continuing after silently eating an exception
// is not what you'll want, except maybe once we have LiveLink. If you're looking at this code
// because your LiveLink dots runtime build is exiting when you don't want it to, feel free
// to remove this block, or guard it with something to indicate the player is not for live link.
throw;
#endif
}
if (World.QuitUpdate)
{
break;
}
}
}
internal override void OnStopRunningInternal()
{
OnStopRunning();
foreach (var sys in m_systemsToUpdate)
{
if (sys == null)
{
continue;
}
if (sys.m_StatePtr == null)
{
continue;
}
if (!sys.m_StatePtr->m_PreviouslyEnabled)
{
continue;
}
sys.m_StatePtr->m_PreviouslyEnabled = false;
sys.OnStopRunningInternal();
}
for (int i = 0; i < m_UnmanagedSystemsToUpdate.Length; ++i)
{
var sys = World.ResolveSystemState(m_UnmanagedSystemsToUpdate[i]);
if (sys == null || !sys->m_PreviouslyEnabled)
{
continue;
}
sys->m_PreviouslyEnabled = false;
// Optional callback here
}
}