private double GetPriorityByOOBDistance(IScenePresence presence, IEntity entity)
{
// If this is an update for our own avatar give it the highest priority
if (presence == entity)
{
return(0.0);
}
// Use the camera position for local agents and avatar position for remote agents
Vector3 presencePos = (presence.IsChildAgent)
? presence.AbsolutePosition
: presence.CameraPosition;
// Use group position for child prims
Vector3 entityPos;
float distsq;
if (entity is SceneObjectGroup)
{
SceneObjectGroup g = (SceneObjectGroup)entity;
entityPos = g.AbsolutePosition;
distsq = Vector3.DistanceSquared(presencePos, entityPos);
if (g.IsAttachment)
{
return(0.0);
}
}
else if (entity is SceneObjectPart)
{
SceneObjectPart p = (SceneObjectPart)entity;
if (p.IsRoot)
{
SceneObjectGroup g = p.ParentGroup;
entityPos = g.AbsolutePosition;
distsq = Vector3.DistanceSquared(presencePos, entityPos);
if (g.IsAttachment)
{
return(0.0);
}
}
else
{
distsq = p.clampedAABdistanceToSQ(presencePos) + 1.0f;
if (p.ParentGroup.RootChild.IsAttachment)
{
return(1.0);
}
}
}
else
{
entityPos = entity.AbsolutePosition;
distsq = Vector3.DistanceSquared(presencePos, entityPos);
}
return(distsq);
}