/// <summary>
/// Attach this scene object to the given avatar.
/// </summary>
/// <remarks>
/// This isn't publicly available since attachments should always perform the corresponding inventory
/// operation (to show the attach in user inventory and update the asset with positional information).
/// </remarks>
/// <param name="sp"></param>
/// <param name="so"></param>
/// <param name="attachmentpoint"></param>
/// <param name="attachOffset"></param>
/// <param name="silent"></param>
private void AttachToAgent(
IScenePresence sp, SceneObjectGroup so, uint attachmentpoint, Vector3 attachOffset, bool silent)
{
if (DebugLevel > 0)
m_log.DebugFormat(
"[ATTACHMENTS MODULE]: Adding attachment {0} to avatar {1} in pt {2} pos {3} {4}",
so.Name, sp.Name, attachmentpoint, attachOffset, so.RootPart.AttachedPos);
so.DetachFromBackup();
// Remove from database and parcel prim count
m_scene.DeleteFromStorage(so.UUID);
m_scene.EventManager.TriggerParcelPrimCountTainted();
so.AttachedAvatar = sp.UUID;
if (so.RootPart.PhysActor != null)
so.RootPart.RemoveFromPhysics();
so.AbsolutePosition = attachOffset;
so.RootPart.AttachedPos = attachOffset;
so.IsAttachment = true;
so.RootPart.SetParentLocalId(sp.LocalId);
so.AttachmentPoint = attachmentpoint;
sp.AddAttachment(so);
if (!silent)
{
if (so.HasPrivateAttachmentPoint)
{
if (DebugLevel > 0)
m_log.DebugFormat(
"[ATTACHMENTS MODULE]: Killing private HUD {0} for avatars other than {1} at attachment point {2}",
so.Name, sp.Name, so.AttachmentPoint);
// As this scene object can now only be seen by the attaching avatar, tell everybody else in the
// scene that it's no longer in their awareness.
m_scene.ForEachClient(
client =>
{ if (client.AgentId != so.AttachedAvatar)
client.SendKillObject(new List<uint>() { so.LocalId });
});
}
// Fudge below is an extremely unhelpful comment. It's probably here so that the scheduled full update
// will succeed, as that will not update if an attachment is selected.
so.IsSelected = false; // fudge....
so.ScheduleGroupForFullUpdate();
}
// In case it is later dropped again, don't let
// it get cleaned up
so.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
}
/// <summary>
/// Unlink the given object from the scene. Unlike delete, this just removes the record of the object - the
/// object itself is not destroyed.
/// </summary>
/// <param name="so">The scene object.</param>
/// <param name="softDelete">If true, only deletes from scene, but keeps the object in the database.</param>
/// <returns>true if the object was in the scene, false if it was not</returns>
public bool UnlinkSceneObject(SceneObjectGroup so, bool softDelete)
{
if (m_sceneGraph.DeleteSceneObject(so.UUID, softDelete))
{
if (!softDelete)
{
// Force a database update so that the scene object group ID is accurate. It's possible that the
// group has recently been delinked from another group but that this change has not been persisted
// to the DB.
// This is an expensive thing to do so only do it if absolutely necessary.
if (so.HasGroupChangedDueToDelink)
ForceSceneObjectBackup(so);
so.DetachFromBackup();
SimulationDataService.RemoveObject(so.UUID, RegionInfo.RegionID);
}
// We need to keep track of this state in case this group is still queued for further backup.
so.IsDeleted = true;
return true;
}
return false;
}
/// <summary>
/// Attach this scene object to the given avatar.
/// </summary>
/// <remarks>
/// This isn't publicly available since attachments should always perform the corresponding inventory
/// operation (to show the attach in user inventory and update the asset with positional information).
/// </remarks>
/// <param name="sp"></param>
/// <param name="so"></param>
/// <param name="attachmentpoint"></param>
/// <param name="attachOffset"></param>
/// <param name="silent"></param>
private void AttachToAgent(
IScenePresence sp, SceneObjectGroup so, uint attachmentpoint, Vector3 attachOffset, bool silent)
{
// m_log.DebugFormat(
// "[ATTACHMENTS MODULE]: Adding attachment {0} to avatar {1} in pt {2} pos {3} {4}",
// so.Name, sp.Name, attachmentpoint, attachOffset, so.RootPart.AttachedPos);
so.DetachFromBackup();
// Remove from database and parcel prim count
m_scene.DeleteFromStorage(so.UUID);
m_scene.EventManager.TriggerParcelPrimCountTainted();
so.AttachedAvatar = sp.UUID;
if (so.RootPart.PhysActor != null)
so.RootPart.RemoveFromPhysics();
so.AbsolutePosition = attachOffset;
so.RootPart.AttachedPos = attachOffset;
so.IsAttachment = true;
so.RootPart.SetParentLocalId(sp.LocalId);
so.AttachmentPoint = attachmentpoint;
sp.AddAttachment(so);
if (!silent)
{
// Killing it here will cause the client to deselect it
// It then reappears on the avatar, deselected
// through the full update below
//
if (so.IsSelected)
{
m_scene.SendKillObject(new List<uint> { so.RootPart.LocalId });
}
else if (so.HasPrivateAttachmentPoint)
{
// m_log.DebugFormat(
// "[ATTACHMENTS MODULE]: Killing private HUD {0} for avatars other than {1} at attachment point {2}",
// so.Name, sp.Name, so.AttachmentPoint);
// As this scene object can now only be seen by the attaching avatar, tell everybody else in the
// scene that it's no longer in their awareness.
m_scene.ForEachClient(
client =>
{ if (client.AgentId != so.AttachedAvatar)
client.SendKillObject(m_scene.RegionInfo.RegionHandle, new List<uint>() { so.LocalId });
});
}
so.IsSelected = false; // fudge....
so.ScheduleGroupForFullUpdate();
}
// In case it is later dropped again, don't let
// it get cleaned up
so.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
}
/// <summary>
/// Attach this scene object to the given avatar.
/// </summary>
///
/// This isn't publicly available since attachments should always perform the corresponding inventory
/// operation (to show the attach in user inventory and update the asset with positional information).
///
/// <param name="sp"></param>
/// <param name="so"></param>
/// <param name="attachmentpoint"></param>
/// <param name="AttachOffset"></param>
/// <param name="silent"></param>
protected void AttachToAgent(ScenePresence avatar, SceneObjectGroup so, int attachmentpoint, Vector3 AttachOffset, bool silent)
{
// don't attach attachments to child agents
if (avatar.IsChildAgent) return;
// m_log.DebugFormat("[ATTACHMENTS MODULE]: Adding attachment {0} to avatar {1}", Name, avatar.Name);
so.DetachFromBackup();
// Remove from database and parcel prim count
m_scene.DeleteFromStorage(so.UUID);
m_scene.EventManager.TriggerParcelPrimCountTainted();
so.RootPart.AttachedAvatar = avatar.UUID;
//Anakin Lohner bug #3839
SceneObjectPart[] parts = so.Parts;
for (int i = 0; i < parts.Length; i++)
parts[i].AttachedAvatar = avatar.UUID;
if (so.RootPart.PhysActor != null)
{
m_scene.PhysicsScene.RemovePrim(so.RootPart.PhysActor);
so.RootPart.PhysActor = null;
}
so.AbsolutePosition = AttachOffset;
so.RootPart.AttachedPos = AttachOffset;
so.RootPart.IsAttachment = true;
so.RootPart.SetParentLocalId(avatar.LocalId);
so.SetAttachmentPoint(Convert.ToByte(attachmentpoint));
avatar.AddAttachment(so);
if (!silent)
{
// Killing it here will cause the client to deselect it
// It then reappears on the avatar, deselected
// through the full update below
//
if (so.IsSelected)
{
m_scene.SendKillObject(so.RootPart.LocalId);
}
so.IsSelected = false; // fudge....
so.ScheduleGroupForFullUpdate(PrimUpdateFlags.FullUpdate);
}
// In case it is later dropped again, don't let
// it get cleaned up
so.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
so.HasGroupChanged = false;
}
/// <summary>
/// Unlink the given object from the scene. Unlike delete, this just removes the record of the object - the
/// object itself is not destroyed.
/// </summary>
/// <param name="so">The scene object.</param>
/// <param name="softDelete">If true, only deletes from scene, but keeps the object in the database.</param>
/// <returns>true if the object was in the scene, false if it was not</returns>
public bool UnlinkSceneObject(SceneObjectGroup so, bool softDelete)
{
if (m_sceneGraph.DeleteSceneObject(so.UUID, softDelete))
{
if (!softDelete)
{
// If the group contains prims whose SceneGroupID is incorrect then force a
// database update, because RemoveObject() works by searching on the SceneGroupID.
// This is an expensive thing to do so only do it if absolutely necessary.
if (so.GroupContainsForeignPrims)
ForceSceneObjectBackup(so);
so.DetachFromBackup();
SimulationDataService.RemoveObject(so.UUID, RegionInfo.RegionID);
}
// We need to keep track of this state in case this group is still queued for further backup.
so.IsDeleted = true;
return true;
}
return false;
}
/// <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>
private bool AttachObjectInternal(IScenePresence sp, SceneObjectGroup group, uint attachmentPt,
bool silent, bool addToInventory, bool resumeScripts, bool append)
{
// 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 (sp.GetAttachments().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;
}
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;
// 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 != (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;
}
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);
}
}
group.DetachFromBackup();
lock (sp.AttachmentsSyncLock)
{
group.AttachmentPoint = attachmentPt;
group.AbsolutePosition = attachPos;
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 SceneObjectGroup MakeDefaultPrim(string name)
{
PrimitiveBaseShape shape = PrimitiveBaseShape.CreateSphere ();
shape.Scale = new Vector3 (0.5f, 0.5f, 0.5f);
SceneObjectGroup prim = new SceneObjectGroup (m_owner, new Vector3 (128f, 128f, 25f), shape);
prim.Name = name;
prim.DetachFromBackup ();
m_scene.AddNewSceneObject (prim, false);
return prim;
}
/// <summary>
/// Attach this scene object to the given avatar.
/// </summary>
/// <remarks>
/// This isn't publicly available since attachments should always perform the corresponding inventory
/// operation (to show the attach in user inventory and update the asset with positional information).
/// </remarks>
/// <param name="sp"></param>
/// <param name="so"></param>
/// <param name="attachmentpoint"></param>
/// <param name="attachOffset"></param>
/// <param name="silent"></param>
private void AttachToAgent(
IScenePresence sp, SceneObjectGroup so, uint attachmentpoint, Vector3 attachOffset, bool silent)
{
// m_log.DebugFormat(
// "[ATTACHMENTS MODULE]: Adding attachment {0} to avatar {1} in pt {2} pos {3} {4}",
// so.Name, avatar.Name, attachmentpoint, attachOffset, so.RootPart.AttachedPos);
so.DetachFromBackup();
// Remove from database and parcel prim count
m_scene.DeleteFromStorage(so.UUID);
m_scene.EventManager.TriggerParcelPrimCountTainted();
so.AttachedAvatar = sp.UUID;
if (so.RootPart.PhysActor != null)
so.RootPart.RemoveFromPhysics();
so.AbsolutePosition = attachOffset;
so.RootPart.AttachedPos = attachOffset;
so.IsAttachment = true;
so.RootPart.SetParentLocalId(sp.LocalId);
so.AttachmentPoint = attachmentpoint;
sp.AddAttachment(so);
if (!silent)
{
// Killing it here will cause the client to deselect it
// It then reappears on the avatar, deselected
// through the full update below
//
if (so.IsSelected)
{
m_scene.SendKillObject(new List<uint> { so.RootPart.LocalId });
}
so.IsSelected = false; // fudge....
so.ScheduleGroupForFullUpdate();
}
// In case it is later dropped again, don't let
// it get cleaned up
so.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
}
public bool AttachObject(
IScenePresence sp, SceneObjectGroup group, uint attachmentPt, bool silent, bool addToInventory, bool append)
{
if (!Enabled)
return false;
group.DetachFromBackup();
bool success = AttachObjectInternal(sp, group, attachmentPt, silent, addToInventory, false, append);
if (!success)
group.AttachToBackup();
return success;
}
