| public GetGroupByPrim ( uint localID ) : SceneObjectGroup | ||
| localID | uint | |
| return | SceneObjectGroup | |
private double GetPriorityByDistance(IClientAPI client, ISceneEntity entity)
{
ScenePresence presence = m_scene.GetScenePresence(client.AgentId);
if (presence != null)
{
// 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;
if (entity is SceneObjectPart)
{
entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
}
else
{
entityPos = entity.AbsolutePosition;
}
return(Vector3.DistanceSquared(presencePos, entityPos));
}
return(double.NaN);
}
private double GetPriorityByBestAvatarResponsiveness(IClientAPI client, ISceneEntity entity)
{
ScenePresence presence = m_scene.GetScenePresence(client.AgentId);
if (presence != null)
{
// If this is an update for our own avatar give it the highest priority
if (presence == entity)
{
return(0.0);
}
// Use group position for child prims
Vector3 entityPos = entity.AbsolutePosition;
if (entity is SceneObjectPart)
{
entityPos = m_scene.GetGroupByPrim(entity.LocalId).AbsolutePosition;
}
else
{
entityPos = entity.AbsolutePosition;
}
if (!presence.IsChildAgent)
{
if (entity is ScenePresence)
{
return(1.0);
}
// Root agent. Use distance from camera and a priority decrease for objects behind us
Vector3 camPosition = presence.CameraPosition;
Vector3 camAtAxis = presence.CameraAtAxis;
// Distance
double priority = Vector3.DistanceSquared(camPosition, entityPos);
// Plane equation
float d = -Vector3.Dot(camPosition, camAtAxis);
float p = Vector3.Dot(camAtAxis, entityPos) + d;
if (p < 0.0f)
{
priority *= 2.0;
}
if (entity is SceneObjectPart)
{
PhysicsActor physActor = ((SceneObjectPart)entity).ParentGroup.RootPart.PhysActor;
if (physActor == null || !physActor.IsPhysical)
{
priority += 100;
}
if (((SceneObjectPart)entity).ParentGroup.RootPart.IsAttachment)
{
priority = 1.0;
}
}
return(priority);
}
else
{
// Child agent. Use the normal distance method
Vector3 presencePos = presence.AbsolutePosition;
return(Vector3.DistanceSquared(presencePos, entityPos));
}
}
return(double.NaN);
}
