protected override void BeginUpdatingFrame(NetworkConnectionDelta connectionDelta)
{
base.BeginUpdatingFrame(connectionDelta);
// Messages for hierarchies need to be sent from root to leaf to ensure
// that Canvas construction on the other end happens in the correct order.
CachedParentTransform?.OnFrameCompleted(connectionDelta);
}
protected virtual void BeginUpdatingFrame(NetworkConnectionDelta connectionDelta)
{
if (PerformanceComponentName != string.Empty &&
StateSynchronizationPerformanceMonitor.Instance != null)
{
perfMonitoringInstance = StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(PerformanceComponentName, "FrameUpdateDuration");
}
}
/// <inheritdoc />
public void ProcessNewConnections(NetworkConnectionDelta connectionDelta)
{
if (!isInitialized)
{
ProcessNewConnections(connectionDelta.AddedConnections.Concat(connectionDelta.ContinuedConnections));
}
else
{
ProcessNewConnections(connectionDelta.AddedConnections);
}
}
private void UpdateDestroyedComponents(NetworkConnectionDelta connectionDelta)
{
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(StateSynchronizationSceneManager), nameof(UpdateDestroyedComponents)))
{
for (int i = broadcasterComponents.Count - 1; i >= 0; i--)
{
if (IsComponentDestroyed(broadcasterComponents[i]))
{
SendComponentDestruction(connectionDelta.ContinuedConnections, broadcasterComponents[i]);
broadcasterComponents.RemoveAt(i);
}
}
}
}
public void OnFrameCompleted(NetworkConnectionDelta connectionDelta)
{
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(GlobalShaderPropertiesBroadcaster), nameof(OnFrameCompleted)))
{
if (assetCache?.CustomGlobalShaderProperties != null)
{
if (previousValues == null)
{
InitializeValues();
}
if (connectionDelta.AddedConnections.Count > 0)
{
StateSynchronizationSceneManager.Instance.SendGlobalShaderProperties(assetCache.CustomGlobalShaderProperties, connectionDelta.AddedConnections);
}
if (connectionDelta.ContinuedConnections.Count > 0)
{
changedProperties.Clear();
for (int i = 0; i < assetCache.CustomGlobalShaderProperties.Length; i++)
{
object newValue = assetCache.CustomGlobalShaderProperties[i].GetValue();
if (!Equals(previousValues[i], newValue))
{
previousValues[i] = newValue;
changedProperties.Add(assetCache.CustomGlobalShaderProperties[i]);
}
}
if (changedProperties.Count > 0)
{
StateSynchronizationSceneManager.Instance.SendGlobalShaderProperties(changedProperties, connectionDelta.ContinuedConnections);
}
}
}
}
}
/// <inheritdoc />
public void OnFrameCompleted(NetworkConnectionDelta connectionDelta)
{
if (!isUpdatedThisFrame)
{
isUpdatedThisFrame = true;
if (TransformBroadcaster != null && (isActiveAndEnabled || UpdateWhenDisabled))
{
// Make sure the transform syncs before any other components sync
if (TransformBroadcaster != this)
{
TransformBroadcaster.OnFrameCompleted(connectionDelta);
}
BeginUpdatingFrame(connectionDelta);
// The TransformBroadcaster might detect that this component is destroyed.
// If so, don't continue updating.
if (this.enabled)
{
EnsureComponentInitialized();
IReadOnlyList <INetworkConnection> connectionsNeedingCompleteChanges;
IReadOnlyList <INetworkConnection> filteredEndpointsNeedingDeltaChanges;
IReadOnlyList <INetworkConnection> filteredEndpointsNeedingCompleteChanges;
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(PerformanceComponentName, "ProcessConnectionDelta"))
{
TransformBroadcaster.ProcessConnectionDelta(connectionDelta, out connectionsNeedingCompleteChanges, out filteredEndpointsNeedingDeltaChanges, out filteredEndpointsNeedingCompleteChanges);
}
if (connectionsNeedingCompleteChanges != null &&
connectionsNeedingCompleteChanges.Count > 0)
{
SendComponentCreation(connectionsNeedingCompleteChanges);
}
if (filteredEndpointsNeedingDeltaChanges != null &&
filteredEndpointsNeedingDeltaChanges.Count > 0)
{
TChangeFlags changeFlags = CalculateDeltaChanges();
if (HasChanges(changeFlags))
{
SendDeltaChanges(filteredEndpointsNeedingDeltaChanges, changeFlags);
}
}
if (filteredEndpointsNeedingCompleteChanges != null &&
filteredEndpointsNeedingCompleteChanges.Count > 0)
{
SendCompleteChanges(filteredEndpointsNeedingCompleteChanges);
}
if (connectionDelta.RemovedConnections != null &&
connectionDelta.RemovedConnections.Count > 0)
{
RemoveDisconnectedEndpoints(connectionDelta.RemovedConnections);
}
EndUpdatingFrame();
}
}
}
}
public void ProcessConnectionDelta(NetworkConnectionDelta connectionDelta, out IReadOnlyList <INetworkConnection> needingCompleteChanges, out IReadOnlyList <INetworkConnection> filteredNeedingDeltaChanged, out IReadOnlyList <INetworkConnection> filteredNeedingCompleteChanges)
{
if (shouldProcessConnectionDelta)
{
shouldProcessConnectionDelta = false;
StateSynchronizationPerformanceMonitor.Instance.IncrementEventCount(PerformanceComponentName, "ProcessConnectionDelta.UpdatedCache");
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(PerformanceComponentName, "EndpointAssessment"))
{
connectionsNeedingCompleteChanges.Clear();
connectionsNeedingDeltaChanges.Clear();
filteredEndpointsNeedingCompleteChanges.Clear();
filteredEndpointsNeedingDeltaChanges.Clear();
foreach (INetworkConnection connection in connectionDelta.AddedConnections)
{
connectionsNeedingCompleteChanges.Add(connection);
if (ShouldSendChanges(connection))
{
filteredEndpointsNeedingCompleteChanges.Add(connection);
}
}
foreach (INetworkConnection connection in connectionDelta.ContinuedConnections)
{
if (fullyInitializedEndpoints.Contains(connection))
{
connectionsNeedingDeltaChanges.Add(connection);
if (ShouldSendChanges(connection))
{
filteredEndpointsNeedingDeltaChanges.Add(connection);
}
}
else
{
connectionsNeedingCompleteChanges.Add(connection);
if (ShouldSendChanges(connection))
{
filteredEndpointsNeedingCompleteChanges.Add(connection);
}
}
}
if (filteredEndpointsNeedingCompleteChanges.Count > 0)
{
foreach (INetworkConnection connection in filteredEndpointsNeedingCompleteChanges)
{
fullyInitializedEndpoints.Add(connection);
}
}
foreach (INetworkConnection connection in connectionsNeedingDeltaChanges)
{
if (!ShouldSendChanges(connection))
{
fullyInitializedEndpoints.Remove(connection);
}
}
if (connectionDelta.RemovedConnections.Count > 0)
{
foreach (INetworkConnection connection in connectionDelta.RemovedConnections)
{
fullyInitializedEndpoints.Remove(connection);
}
}
}
}
else
{
StateSynchronizationPerformanceMonitor.Instance.IncrementEventCount(PerformanceComponentName, "ProcessConnectionDelta.UsedCache");
}
needingCompleteChanges = connectionsNeedingCompleteChanges;
filteredNeedingDeltaChanged = filteredEndpointsNeedingDeltaChanges;
filteredNeedingCompleteChanges = filteredEndpointsNeedingCompleteChanges;
}
private IEnumerator RunEndOfFrameUpdates()
{
while (this != null && this.isActiveAndEnabled)
{
yield return(new WaitForEndOfFrame());
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(StateSynchronizationSceneManager), nameof(RunEndOfFrameUpdates)))
{
if (framesToSkipForBuffering == 0)
{
if (StateSynchronizationBroadcaster.IsInitialized && StateSynchronizationBroadcaster.Instance != null)
{
int bytesQueued = StateSynchronizationBroadcaster.Instance.OutputBytesQueued;
if (bytesQueued > MaximumQueuedByteCount)
{
framesToSkipForBuffering = frameSkippingStride;
// We are about to render a frame but the buffer is too full, so we're going to skip more frames.
// Count this frame as a vote to increase the number of frames we skip each time this happens.
UpdateFrameSkippingVotes(1);
}
else if (frameSkippingStride > 1)
{
// We would be skipping more than one frame, but we just finished a frame without an expanded buffer.
// Count this frame as a vote to decrease the number of frames we skip each time this happens.
UpdateFrameSkippingVotes(-1);
}
StateSynchronizationBroadcaster.Instance.OnFrameCompleted();
}
NetworkConnectionDelta connectionDelta = GetFrameConnectionDelta();
// Any GameObjects destroyed since last update should be culled first before attempting to update
// components
UpdateDestroyedComponents(connectionDelta);
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(StateSynchronizationSceneManager), "ResetFrame"))
{
for (int i = broadcasterComponents.Count - 1; i >= 0; i--)
{
broadcasterComponents[i].ResetFrame();
}
}
if (connectionDelta.HasConnections)
{
if (GlobalShaderPropertiesBroadcaster.IsInitialized && GlobalShaderPropertiesBroadcaster.Instance != null)
{
GlobalShaderPropertiesBroadcaster.Instance.OnFrameCompleted(connectionDelta);
}
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(StateSynchronizationSceneManager), "ProcessNewConnections"))
{
for (int i = 0; i < broadcasterComponents.Count; i++)
{
if (!IsComponentDestroyed(broadcasterComponents[i]))
{
broadcasterComponents[i].ProcessNewConnections(connectionDelta);
}
}
}
using (StateSynchronizationPerformanceMonitor.Instance.MeasureEventDuration(nameof(StateSynchronizationSceneManager), "OnFrameCompleted"))
{
for (int i = 0; i < broadcasterComponents.Count; i++)
{
if (!IsComponentDestroyed(broadcasterComponents[i]))
{
broadcasterComponents[i].OnFrameCompleted(connectionDelta);
}
}
}
}
// Any components detected as removed should be destroyed and removed this frame.
UpdateDestroyedComponents(connectionDelta);
ApplyFrameConnectionDelta();
CheckForFinalDisconnect();
}
else
{
StateSynchronizationPerformanceMonitor.Instance.IncrementEventCount(nameof(StateSynchronizationSceneManager), "FrameSkipped");
framesToSkipForBuffering--;
int bytesQueued = StateSynchronizationBroadcaster.Instance.OutputBytesQueued;
if (bytesQueued <= MaximumQueuedByteCount)
{
// We're about to skip a frame but the buffer is currently under the capacity threshold for skipping.
// Count this frame as a vote to decrease the number of frames we skip each time this happens.
UpdateFrameSkippingVotes(-1);
}
}
}
}
}