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simplify avatar updates throotle control, this possible needs to get more complex again

LSLKeyTest
UbitUmarov 2015-12-21 13:20:24 +00:00
parent 827058e359
commit 52d7aca6a2
1 changed files with 41 additions and 79 deletions
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118
OpenSim/Region/Framework/Scenes/ScenePresence.cs
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@ -1186,16 +1186,6 @@ namespace OpenSim.Region.Framework.Scenes
if (gm != null)
Grouptitle = gm.GetGroupTitle(m_uuid);
if ((m_teleportFlags & TeleportFlags.ViaHGLogin) != 0)
{
// The avatar is arriving from another grid. This means that we may have changed the
// avatar's name to or from the special Hypergrid format ("First.Last @grid.example.com").
// Unfortunately, due to a viewer bug, viewers don't always show the new name.
// But we have a trick that can force them to update the name anyway.
// ForceViewersUpdateName();
}
m_log.DebugFormat("[MakeRootAgent] Grouptitle: {0}ms", Util.EnvironmentTickCountSubtract(ts));
RegionHandle = m_scene.RegionInfo.RegionHandle;
@ -1903,12 +1893,6 @@ namespace OpenSim.Region.Framework.Scenes
if (!IsChildAgent)
{
// ValidateAndSendAppearanceAndAgentData();
// do it here in line
// so sequence is clear
// verify baked textures and cache
bool cachedbaked = false;
@ -3454,40 +3438,52 @@ namespace OpenSim.Region.Framework.Scenes
#region Overridden Methods
const float ROTATION_TOLERANCE = 0.01f;
const float VELOCITY_TOLERANCE = 0.1f;
const float LOWVELOCITYSQ = 0.1f;
const float POSITION_LARGETOLERANCE = 5f;
const float POSITION_SMALLTOLERANCE = 0.05f;
public override void Update()
{
const float ROTATION_TOLERANCE = 0.01f;
const float VELOCITY_TOLERANCE = 0.001f;
const float POSITION_TOLERANCE = 0.05f;
if (IsChildAgent == false)
{
CheckForBorderCrossing();
if (IsInTransit)
if(IsChildAgent || IsDeleted)
return;
// NOTE: Velocity is not the same as m_velocity. Velocity will attempt to
// grab the latest PhysicsActor velocity, whereas m_velocity is often
// storing a requested force instead of an actual traveling velocity
if (Appearance.AvatarSize != m_lastSize && !IsLoggingIn)
CheckForBorderCrossing();
if (IsInTransit || IsLoggingIn)
return;
if (Appearance.AvatarSize != m_lastSize)
SendAvatarDataToAllAgents();
if (!IsSatOnObject && (
!Rotation.ApproxEquals(m_lastRotation, ROTATION_TOLERANCE) ||
!Velocity.ApproxEquals(m_lastVelocity, VELOCITY_TOLERANCE) ||
!m_pos.ApproxEquals(m_lastPosition, POSITION_TOLERANCE)))
if (!IsSatOnObject)
{
// this does need to be more complex later
Vector3 vel = Velocity;
Vector3 dpos = m_pos - m_lastPosition;
if( Math.Abs(vel.X - m_lastVelocity.X) > VELOCITY_TOLERANCE ||
Math.Abs(vel.Y - m_lastVelocity.Y) > VELOCITY_TOLERANCE ||
Math.Abs(vel.Z - m_lastVelocity.Z) > VELOCITY_TOLERANCE ||
Math.Abs(m_bodyRot.X - m_lastRotation.X) > ROTATION_TOLERANCE ||
Math.Abs(m_bodyRot.Y - m_lastRotation.Y) > ROTATION_TOLERANCE ||
Math.Abs(m_bodyRot.Z - m_lastRotation.Z) > ROTATION_TOLERANCE ||
Math.Abs(dpos.X) > POSITION_LARGETOLERANCE ||
Math.Abs(dpos.Y) > POSITION_LARGETOLERANCE ||
Math.Abs(dpos.Z) > POSITION_LARGETOLERANCE ||
( (Math.Abs(dpos.X) > POSITION_SMALLTOLERANCE ||
Math.Abs(dpos.Y) > POSITION_SMALLTOLERANCE ||
Math.Abs(dpos.Z) > POSITION_SMALLTOLERANCE)
&& vel.LengthSquared() < LOWVELOCITYSQ
))
{
SendTerseUpdateToAllClients();
// Update the "last" values
m_lastPosition = m_pos;
m_lastRotation = Rotation;
m_lastVelocity = Velocity;
}
CheckForSignificantMovement(); // sends update to the modules.
}
CheckForSignificantMovement();
}
#endregion
@ -3576,50 +3572,16 @@ namespace OpenSim.Region.Framework.Scenes
}
}
// vars to support reduced update frequency when velocity is unchanged
private Vector3 lastVelocitySentToAllClients = Vector3.Zero;
private Vector3 lastPositionSentToAllClients = Vector3.Zero;
private int lastTerseUpdateToAllClientsTick = Util.EnvironmentTickCount();
/// <summary>
/// Send a location/velocity/accelleration update to all agents in scene
/// </summary>
public void SendTerseUpdateToAllClients()
{
int currentTick = Util.EnvironmentTickCount();
// Decrease update frequency when avatar is moving but velocity is
// not changing.
// If there is a mismatch between distance travelled and expected
// distance based on last velocity sent and velocity hasnt changed,
// then send a new terse update
float timeSinceLastUpdate = (currentTick - lastTerseUpdateToAllClientsTick) * 0.001f;
Vector3 expectedPosition = lastPositionSentToAllClients + lastVelocitySentToAllClients * timeSinceLastUpdate;
float distanceError = Vector3.Distance(OffsetPosition, expectedPosition);
float speed = Velocity.Length();
float velocityDiff = Vector3.Distance(lastVelocitySentToAllClients, Velocity);
// assuming 5 ms. worst case precision for timer, use 2x that
// for distance error threshold
float distanceErrorThreshold = speed * 0.01f;
if (speed < 0.01f // allow rotation updates if avatar position is unchanged
|| Math.Abs(distanceError) > distanceErrorThreshold
|| velocityDiff > 0.01f) // did velocity change from last update?
{
lastVelocitySentToAllClients = Velocity;
lastTerseUpdateToAllClientsTick = currentTick;
lastPositionSentToAllClients = OffsetPosition;
// Console.WriteLine("Scheduled update for {0} in {1}", Name, Scene.Name);
// m_scene.ForEachClient(SendTerseUpdateToClient);
m_scene.ForEachScenePresence(SendTerseUpdateToAgent);
}
// Update the "last" values
m_lastPosition = m_pos;
m_lastRotation = m_bodyRot;
m_lastVelocity = Velocity;
TriggerScenePresenceUpdated();
}