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Object update prioritization by Jim Greensky of Intel Labs, part one. This implements a simple distance prioritizer based on initial agent positions. Re-prioritizing and more advanced priority algorithms will follow soon

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This commit is contained in:
John Hurliman
2009-10-15 16:35:27 -07:00
parent df2d5a460f
commit 4b75353cbf
20 changed files with 573 additions and 402 deletions
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74
OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
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@@ -1817,7 +1817,7 @@ namespace OpenSim.Region.Framework.Scenes
public void ServiceObjectPropertiesFamilyRequest(IClientAPI remoteClient, UUID AgentID, uint RequestFlags)
{
remoteClient.SendObjectPropertiesFamilyData(RequestFlags, RootPart.UUID, RootPart.ObjectOwner, RootPart.GroupID, RootPart.BaseMask,
remoteClient.SendObjectPropertiesFamilyData(RequestFlags, RootPart.UUID, RootPart.OwnerID, RootPart.GroupID, RootPart.BaseMask,
RootPart.OwnerMask, RootPart.GroupMask, RootPart.EveryoneMask, RootPart.NextOwnerMask,
RootPart.OwnershipCost, RootPart.ObjectSaleType, RootPart.SalePrice, RootPart.Category,
RootPart.CreatorID, RootPart.Name, RootPart.Description);
@@ -3343,5 +3343,77 @@ namespace OpenSim.Region.Framework.Scenes
return true;
}
public double GetUpdatePriority(IClientAPI client)
{
switch (Scene.UpdatePrioritizationScheme)
{
case Scene.UpdatePrioritizationSchemes.Time:
return GetPriorityByTime();
case Scene.UpdatePrioritizationSchemes.Distance:
return GetPriorityByDistance(client);
case Scene.UpdatePrioritizationSchemes.SimpleAngularDistance:
return GetPriorityBySimpleAngularDistance(client);
default:
throw new InvalidOperationException("UpdatePrioritizationScheme not defined");
}
}
private double GetPriorityByTime()
{
return DateTime.Now.ToOADate();
}
private double GetPriorityByDistance(IClientAPI client)
{
ScenePresence presence = Scene.GetScenePresence(client.AgentId);
if (presence != null)
{
return GetPriorityByDistance((presence.IsChildAgent) ?
presence.AbsolutePosition : presence.CameraPosition);
}
return double.NaN;
}
private double GetPriorityBySimpleAngularDistance(IClientAPI client)
{
ScenePresence presence = Scene.GetScenePresence(client.AgentId);
if (presence != null)
{
return GetPriorityBySimpleAngularDistance((presence.IsChildAgent) ?
presence.AbsolutePosition : presence.CameraPosition);
}
return double.NaN;
}
public double GetPriorityByDistance(Vector3 position)
{
return Vector3.Distance(AbsolutePosition, position);
}
public double GetPriorityBySimpleAngularDistance(Vector3 position)
{
double distance = Vector3.Distance(position, AbsolutePosition);
if (distance >= double.Epsilon)
{
float height;
Vector3 box = GetAxisAlignedBoundingBox(out height);
double angle = box.X / distance;
double max = angle;
angle = box.Y / distance;
if (max < angle)
max = angle;
angle = box.Z / distance;
if (max < angle)
max = angle;
return -max;
}
else
return double.MinValue;
}
}
}