private uint ComputeAngleDistancePriority(ScenePresence presence, ISceneEntity entity)
{
// And convert the distance to a priority queue, this computation gives queues
// at 10, 20, 40, 80, 160, 320, 640, and 1280m
// uint minpqueue = PriorityQueue.NumberOfImmediateQueues;
uint maxqueue = PriorityQueue.NumberOfQueues - PriorityQueue.NumberOfImmediateQueues - 1;
// uint pqueue = minpqueue;
uint pqueue = PriorityQueue.NumberOfImmediateQueues;
float distance;
Vector3 presencePos = presence.AbsolutePosition;
if (entity is ScenePresence)
{
ScenePresence sp = entity as ScenePresence;
distance = Vector3.Distance(presencePos, sp.AbsolutePosition);
distance *= 0.5f;
}
else
{
SceneObjectGroup group = (entity as SceneObjectPart).ParentGroup;
float bradius = group.GetBoundsRadius();
Vector3 grppos = group.AbsolutePosition + group.getBoundsCenter();
distance = Vector3.Distance(presencePos, grppos);
distance -= bradius;
distance *= group.getAreaFactor();
if (group.IsAttachment)
{
distance *= 0.5f;
}
else if (group.UsesPhysics)
{
distance *= 0.6f;
}
else if (group.GetSittingAvatarsCount() > 0)
{
distance *= 0.5f;
}
}
if (distance > 10f)
{
float tmp = (float)Math.Log(distance) * 1.442695f - 3.321928f;
// for a map identical to original:
// now
// 1st constant is 1/(log(2)) (natural log) so we get log2(distance)
// 2st constant makes it be log2(distance/10)
pqueue += (uint)tmp;
if (pqueue > maxqueue)
{
pqueue = maxqueue;
}
}
return(pqueue);
}
/// <summary>
/// Internal method which actually does all the work for attaching an object.
/// </summary>
/// <returns>The object attached.</returns>
/// <param name='sp'></param>
/// <param name='group'>The object to attach.</param>
/// <param name='attachmentPt'></param>
/// <param name='silent'></param>
/// <param name='addToInventory'>If true then add object to user inventory.</param>
/// <param name='resumeScripts'>If true then scripts are resumed on the attached object.</param>
/// <param name='append'>Append to attachment point rather than replace.</param>
private bool AttachObjectInternal(
IScenePresence sp, SceneObjectGroup group, uint attachmentPt, bool silent, bool addToInventory, bool resumeScripts, bool append)
{
if (group.GetSittingAvatarsCount() != 0)
{
if (DebugLevel > 0)
m_log.WarnFormat(
"[ATTACHMENTS MODULE]: Ignoring request to attach {0} {1} to {2} on {3} since {4} avatars are still sitting on it",
group.Name, group.LocalId, sp.Name, attachmentPt, group.GetSittingAvatarsCount());
return false;
}
Vector3 attachPos = group.AbsolutePosition;
// If the attachment point isn't the same as the one previously used
// set it's offset position = 0 so that it appears on the attachment point
// and not in a weird location somewhere unknown.
if (attachmentPt != (uint)AttachmentPoint.Default && attachmentPt != group.AttachmentPoint)
{
attachPos = Vector3.Zero;
}
// if the attachment point is the same as previous, make sure we get the saved
// position info.
if (attachmentPt != 0 && attachmentPt == group.RootPart.Shape.LastAttachPoint)
{
attachPos = group.RootPart.AttachedPos;
}
// AttachmentPt 0 means the client chose to 'wear' the attachment.
if (attachmentPt == (uint)AttachmentPoint.Default)
{
// Check object for stored attachment point
attachmentPt = group.AttachmentPoint;
}
// if we didn't find an attach point, look for where it was last attached
if (attachmentPt == 0)
{
attachmentPt = (uint)group.RootPart.Shape.LastAttachPoint;
attachPos = group.RootPart.AttachedPos;
group.HasGroupChanged = true;
}
// if we still didn't find a suitable attachment point.......
if (attachmentPt == 0)
{
// Stick it on left hand with Zero Offset from the attachment point.
attachmentPt = (uint)AttachmentPoint.LeftHand;
attachPos = Vector3.Zero;
}
group.AttachmentPoint = attachmentPt;
group.AbsolutePosition = attachPos;
List<SceneObjectGroup> attachments = sp.GetAttachments(attachmentPt);
if (attachments.Contains(group))
{
if (DebugLevel > 0)
m_log.WarnFormat(
"[ATTACHMENTS MODULE]: Ignoring request to attach {0} {1} to {2} on {3} since it's already attached",
group.Name, group.LocalId, sp.Name, attachmentPt);
return false;
}
// If we already have 5, remove the oldest until only 4 are left. Skip over temp ones
while (attachments.Count >= 5)
{
if (attachments[0].FromItemID != UUID.Zero)
DetachSingleAttachmentToInv(sp, attachments[0]);
attachments.RemoveAt(0);
}
// If we're not appending, remove the rest as well
if (attachments.Count != 0 && !append)
{
foreach (SceneObjectGroup g in attachments)
{
if (g.FromItemID != UUID.Zero)
DetachSingleAttachmentToInv(sp, g);
}
}
lock (sp.AttachmentsSyncLock)
{
if (addToInventory && sp.PresenceType != PresenceType.Npc)
UpdateUserInventoryWithAttachment(sp, group, attachmentPt, append);
AttachToAgent(sp, group, attachmentPt, attachPos, silent);
if (resumeScripts)
{
// Fire after attach, so we don't get messy perms dialogs
// 4 == AttachedRez
group.CreateScriptInstances(0, true, m_scene.DefaultScriptEngine, 4);
group.ResumeScripts();
}
// Do this last so that event listeners have access to all the effects of the attachment
m_scene.EventManager.TriggerOnAttach(group.LocalId, group.FromItemID, sp.UUID);
}
return true;
}
private bool AttachObjectInternal(IScenePresence sp, SceneObjectGroup group, uint attachmentPt, bool silent, bool temp)
{
lock (sp.AttachmentsSyncLock)
{
// m_log.DebugFormat(
// "[ATTACHMENTS MODULE]: Attaching object {0} {1} to {2} point {3} from ground (silent = {4})",
// group.Name, group.LocalId, sp.Name, attachmentPt, silent);
if (group.GetSittingAvatarsCount() != 0)
{
// m_log.WarnFormat(
// "[ATTACHMENTS MODULE]: Ignoring request to attach {0} {1} to {2} on {3} since {4} avatars are still sitting on it",
// group.Name, group.LocalId, sp.Name, attachmentPt, group.GetSittingAvatarsCount());
return false;
}
if (sp.GetAttachments(attachmentPt).Contains(group))
{
// m_log.WarnFormat(
// "[ATTACHMENTS MODULE]: Ignoring request to attach {0} {1} to {2} on {3} since it's already attached",
// group.Name, group.LocalId, sp.Name, AttachmentPt);
return false;
}
Vector3 attachPos = group.AbsolutePosition;
// TODO: this short circuits multiple attachments functionality in LL viewer 2.1+ and should
// be removed when that functionality is implemented in opensim
attachmentPt &= 0x7f;
// If the attachment point isn't the same as the one previously used
// set it's offset position = 0 so that it appears on the attachment point
// and not in a weird location somewhere unknown.
if (attachmentPt != 0 && attachmentPt != group.AttachmentPoint)
{
attachPos = Vector3.Zero;
}
// AttachmentPt 0 means the client chose to 'wear' the attachment.
if (attachmentPt == 0)
{
// Check object for stored attachment point
attachmentPt = group.AttachmentPoint;
}
// if we still didn't find a suitable attachment point.......
if (attachmentPt == 0)
{
// Stick it on left hand with Zero Offset from the attachment point.
attachmentPt = (uint)AttachmentPoint.LeftHand;
attachPos = Vector3.Zero;
}
group.AttachmentPoint = attachmentPt;
group.AbsolutePosition = attachPos;
if (sp.PresenceType != PresenceType.Npc)
UpdateUserInventoryWithAttachment(sp, group, attachmentPt, temp);
AttachToAgent(sp, group, attachmentPt, attachPos, silent);
}
return true;
}
private int ComputeAngleDistancePriority(ScenePresence presence, ISceneEntity entity)
{
int pqueue = PriorityQueue.NumberOfImmediateQueues;
float distance;
Vector3 presencePos = presence.AbsolutePosition;
if (entity is ScenePresence)
{
ScenePresence sp = entity as ScenePresence;
distance = Vector3.DistanceSquared(presencePos, sp.AbsolutePosition);
if (distance > 400f)
{
float tmp = (float)Math.Log(distance) * 0.7213475f - 4.321928f;
pqueue += (int)tmp;
}
return(pqueue);
}
SceneObjectPart sop = entity as SceneObjectPart;
SceneObjectGroup group = sop.ParentGroup;
if (presence.ParentPart != null)
{
if (presence.ParentPart.ParentGroup == group)
{
return(pqueue);
}
}
if (group.IsAttachment)
{
if (group.RootPart.LocalId == presence.LocalId)
{
return(pqueue);
}
distance = Vector3.DistanceSquared(presencePos, group.AbsolutePosition);
if (distance > 400f)
{
float tmp = (float)Math.Log(distance) * 0.7213475f - 4.321928f;
pqueue += (int)tmp;
}
return(pqueue);
}
float bradius = group.GetBoundsRadius();
Vector3 grppos = group.getCenterOffset();
distance = Vector3.Distance(presencePos, grppos);
distance -= bradius;
if (distance < 0)
{
return(pqueue);
}
distance *= group.getAreaFactor();
if (group.IsAttachment)
{
distance *= 0.5f;
}
else if (group.UsesPhysics)
{
distance *= 0.6f;
}
else if (group.GetSittingAvatarsCount() > 0)
{
distance *= 0.5f;
}
if (distance > 10f)
{
float tmp = (float)Math.Log(distance) * 1.442695f - 3.321928f;
// for a map identical to original:
// now
// 1st constant is 1/(log(2)) (natural log) so we get log2(distance)
// 2st constant makes it be log2(distance/10)
pqueue += (int)tmp;
}
return(pqueue);
}
