private bool TryUnlinkRoot(out ObjectPart part, bool sendEvent = true)
{
part = null;
int primCount = Count;
part = this[LINK_ROOT];
var rootPos = part.GlobalPosition;
var rootRot = part.GlobalRotation;
ObjectPart newRoot;
if (!TryGetValue(2, out newRoot))
{
part = null;
return(false);
}
var offsetPos = newRoot.Position;
var offsetRot = newRoot.Rotation;
foreach (var linkpart in ValuesByKey1)
{
linkpart.Inventory.SuspendScripts();
}
part.Inventory.SuspendScripts();
part.ObjectGroup.StopKeyframedMotion();
if (!Remove(part.ID))
{
foreach (var linkpart in ValuesByKey1)
{
linkpart.Inventory.ResumeScripts();
}
part = null;
return(false);
}
newRoot.LocalPosition += rootPos;
newRoot.LocalRotation *= rootRot;
ChangeKey(LINK_ROOT, 2);
int i;
for (i = 3; i < primCount; ++i)
{
ChangeKey(i - 1, i);
var linkPart = this[i - 1];
linkPart.Position -= offsetPos;
linkPart.Rotation /= offsetRot;
}
foreach (var linkpart in ValuesByKey1)
{
linkpart.Inventory.ResumeScripts();
linkpart.TriggerOnUpdate(UpdateChangedFlags.Link);
}
if (sendEvent)
{
PostEvent(new ChangedEvent(ChangedEvent.ChangedFlags.Link));
}
return(true);
}
private static ObjectPart ParseRootPart(XmlTextReader reader, ObjectGroup group, UGUI currentOwner, XmlDeserializationOptions options)
{
ObjectPart rootPart = null;
if (reader.IsEmptyElement)
{
throw new InvalidObjectXmlException();
}
for (; ;)
{
if (!reader.Read())
{
throw new InvalidObjectXmlException();
}
string nodeName = reader.Name;
bool isEmptyElement = reader.IsEmptyElement;
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (nodeName)
{
case "SceneObjectPart":
if (rootPart != null)
{
throw new InvalidObjectXmlException();
}
if (isEmptyElement)
{
throw new InvalidObjectXmlException();
}
if (rootPart != null)
{
throw new InvalidObjectXmlException();
}
rootPart = ObjectPart.FromXml(reader, group, currentOwner, options);
group.Add(LINK_ROOT, rootPart.ID, rootPart);
break;
default:
reader.ReadToEndElement();
break;
}
break;
case XmlNodeType.EndElement:
if (nodeName != "RootPart")
{
throw new InvalidObjectXmlException();
}
return(rootPart);
default:
break;
}
}
}
public void AddLink(ObjectPart part)
{
lock (m_LinkUnlinkLock)
{
part.ObjectGroup = this;
Add(Count + 1, part.ID, part);
}
part.IncSerialNumber();
Scene?.ScheduleUpdate(part.UpdateInfo);
}
private bool TryUnlink(UUID primID, out ObjectPart part)
{
part = null;
lock (m_LinkUnlinkLock)
{
if (TryGetValue(primID, out part))
{
if (Count == 1)
{
return(false);
}
if (part.LinkNumber == LINK_ROOT)
{
#if DEBUG
m_Log.DebugFormat("Unlinking root prim {0} from object", primID);
#endif
return(TryUnlinkRoot(out part));
}
else
{
/* separate single prim */
int linkno = part.LinkNumber;
Vector3 rootPos = part.GlobalPosition;
Quaternion rootRot = part.GlobalRotation;
#if DEBUG
m_Log.DebugFormat("Unlinking child prim {0} (link {3}) from object (New location {1} / {2})", primID, rootPos, rootRot, linkno);
#endif
part.Inventory.SuspendScripts();
if (!Remove(primID))
{
part.Inventory.ResumeScripts();
return(false);
}
part.LocalPosition = rootPos;
part.LocalRotation = rootRot;
for (++linkno; linkno <= Count; ++linkno)
{
ChangeKey(linkno - 1, linkno);
}
PostEvent(new ChangedEvent(ChangedEvent.ChangedFlags.Link));
return(true);
}
}
}
return(false);
}
public void FinalizeObject()
{
ObjectPart rootPart = RootPart;
foreach (ObjectPart part in Values)
{
/* make those parameters align well */
part.IsPhantom = rootPart.IsPhantom;
part.IsPhysics = rootPart.IsPhysics;
part.IsVolumeDetect = rootPart.IsVolumeDetect;
part.ObjectGroup = this;
part.UpdateData(ObjectPartLocalizedInfo.UpdateDataFlags.All);
}
}
public void InsertLinks(int linkno, ObjectPart[] parts)
{
if (linkno < 2)
{
throw new ArgumentOutOfRangeException(nameof(linkno));
}
if (parts == null)
{
throw new ArgumentNullException(nameof(parts));
}
if (parts.Length == 0)
{
throw new ArgumentOutOfRangeException(nameof(parts));
}
foreach (ObjectPart part in parts)
{
if (part == null)
{
throw new ArgumentOutOfRangeException(nameof(parts));
}
}
lock (m_LinkUnlinkLock)
{
for (int startlink = Count + 1; startlink-- > linkno;)
{
ChangeKey(startlink + parts.Length, startlink);
}
for (int link = 0; link < parts.Length; ++link)
{
ObjectPart part = parts[link];
Add(link + 2, part.ID, part);
part.ObjectGroup = this;
}
}
/* we have to update all */
foreach (ObjectPart part in ValuesByKey1)
{
if (part != RootPart)
{
part.IncSerialNumber();
Scene?.ScheduleUpdate(part.UpdateInfo);
}
}
}
public void FillFromXml(XmlTextReader reader, UGUI currentOwner, XmlDeserializationOptions options)
{
var part = new ObjectPart
{
Owner = currentOwner
};
if (reader.IsEmptyElement)
{
throw new InvalidObjectXmlException();
}
for (; ;)
{
if (!reader.Read())
{
throw new InvalidObjectXmlException();
}
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.IsEmptyElement)
{
break;
}
switch (reader.Name)
{
case "TaskInventoryItem":
UUID origid;
ObjectPartInventoryItem item = FromXML(reader, currentOwner, options, out origid);
if (ContainsKey(item.ID))
{
/* skip duplicate ids. There seems to be at least one OpenSim version generating bogus task inventory */
break;
}
try
{
Add(item, true);
}
catch
{
throw new InvalidObjectXmlException(string.Format("Duplicate task inventory name {0} ({1})", item.Name, origid));
}
break;
default:
reader.ReadToEndElement();
break;
}
break;
case XmlNodeType.EndElement:
if (reader.Name != "TaskInventory")
{
throw new InvalidObjectXmlException();
}
return;
default:
break;
}
}
}
public static ObjectGroup FromXml(XmlTextReader reader, UGUI currentOwner, bool inRootPart = false, XmlDeserializationOptions options = XmlDeserializationOptions.None)
{
var group = new ObjectGroup();
ObjectPart rootPart = null;
if (reader.IsEmptyElement)
{
throw new InvalidObjectXmlException();
}
for (; ;)
{
if (inRootPart)
{
inRootPart = false;
}
else if (!reader.Read())
{
throw new InvalidObjectXmlException();
}
bool isEmptyElement = reader.IsEmptyElement;
string nodeName = reader.Name;
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (nodeName)
{
case "RootPart":
if (isEmptyElement)
{
throw new InvalidObjectXmlException();
}
if (rootPart != null)
{
throw new InvalidObjectXmlException();
}
rootPart = ParseRootPart(reader, group, currentOwner, options);
break;
case "SceneObjectPart":
if (rootPart != null)
{
throw new InvalidObjectXmlException();
}
if (isEmptyElement)
{
throw new InvalidObjectXmlException();
}
if (rootPart != null)
{
throw new InvalidObjectXmlException();
}
rootPart = ObjectPart.FromXml(reader, group, currentOwner, options);
group.Add(LINK_ROOT, rootPart.ID, rootPart);
break;
case "OtherParts":
if (isEmptyElement)
{
break;
}
FromXmlOtherParts(reader, group, currentOwner, options);
break;
case "GroupScriptStates":
if (isEmptyElement)
{
break;
}
FromXmlGroupScriptStates(reader, group);
break;
case "KeyframeMotion":
if (isEmptyElement)
{
break;
}
reader.ReadToEndElement();
break;
default:
reader.ReadToEndElement();
break;
}
break;
case XmlNodeType.EndElement:
if (nodeName != "SceneObjectGroup")
{
throw new InvalidObjectXmlException();
}
foreach (ObjectPart part in group.Values)
{
part.Owner = currentOwner;
if ((options & XmlDeserializationOptions.RestoreIDs) == 0)
{
foreach (UUID key in part.Inventory.Keys1)
{
UUID newid = UUID.Random;
part.Inventory[key].SetNewID(newid);
part.Inventory.ChangeKey(newid, key);
}
}
}
group.FinalizeObject();
return(group);
default:
break;
}
}
}
private static void FromXmlOtherParts(XmlTextReader reader, ObjectGroup group, UGUI currentOwner, XmlDeserializationOptions options)
{
ObjectPart part;
var links = new SortedDictionary <int, ObjectPart>();
if (reader.IsEmptyElement)
{
throw new InvalidObjectXmlException();
}
for (; ;)
{
if (!reader.Read())
{
throw new InvalidObjectXmlException();
}
bool isEmptyElement = reader.IsEmptyElement;
string nodeName = reader.Name;
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (nodeName)
{
case "Part":
if (isEmptyElement)
{
throw new InvalidObjectXmlException();
}
part = ParseOtherPart(reader, group, currentOwner, options);
links.Add(part.LoadedLinkNumber, part);
break;
case "SceneObjectPart":
if (isEmptyElement)
{
throw new InvalidObjectXmlException();
}
part = ObjectPart.FromXml(reader, null, currentOwner, options);
try
{
part.LoadedLinkNumber = links.Count + 2;
links.Add(part.LoadedLinkNumber, part);
}
catch
{
throw new ObjectDeserializationFailedDueKeyException();
}
break;
default:
reader.ReadToEndElement();
break;
}
break;
case XmlNodeType.EndElement:
if (nodeName != "OtherParts")
{
throw new InvalidObjectXmlException();
}
foreach (KeyValuePair <int, ObjectPart> kvp in links)
{
group.Add(kvp.Key, kvp.Value.ID, kvp.Value);
}
return;
default:
break;
}
}
}
public ObjectAnimationController(ObjectPart part)
{
m_Part = part;
m_NextAnimSeqNumber = 1;
}
public bool TryUnlink(List <UUID> uuids, List <ObjectGroup> unlinkedPrims)
{
lock (m_LinkUnlinkLock)
{
if (Count == 1)
{
return(false);
}
bool rootPrimRemoved = false;
Dictionary <UUID, Vector3> newChildPos = new Dictionary <UUID, Vector3>();
Dictionary <UUID, Quaternion> newChildRot = new Dictionary <UUID, Quaternion>();
foreach (UUID id in uuids)
{
ObjectPart part;
if (TryGetValue(id, out part))
{
/* is any of those our root prim? */
if (part == RootPart)
{
rootPrimRemoved = true;
}
newChildPos[part.ID] = part.GlobalPosition;
newChildRot[part.ID] = part.GlobalRotation;
}
else
{
return(false);
}
}
SortedDictionary <int, int> reorderLinkSet = new SortedDictionary <int, int>();
int newlink = LINK_ROOT;
if (rootPrimRemoved)
{
Vector3 rootPos = RootPart.GlobalPosition;
Quaternion rootRot = RootPart.GlobalRotation;
Vector3 offsetPos = Vector3.Zero;
Quaternion offsetRot = Quaternion.Identity;
ObjectGroup newLinkSet = new ObjectGroup(this);
/* we are extracting the remaining linkset into new ObjectGroup */
for (int i = LINK_ROOT; i <= Count; ++i)
{
ObjectPart linkpart = this[i];
linkpart.Inventory.SuspendScripts();
if (!uuids.Contains(linkpart.ID))
{
if (newlink == 1)
{
Vector3 newRootPos = linkpart.GlobalPosition;
Quaternion newRootRot = linkpart.GlobalRotation;
offsetRot = linkpart.LocalRotation;
offsetPos = linkpart.LocalPosition / offsetRot;
linkpart.LocalPosition = newRootPos;
linkpart.LocalRotation = newRootRot;
linkpart.IsSandbox = false;
newLinkSet.Add(LINK_ROOT, linkpart.ID, linkpart);
linkpart.ObjectGroup = newLinkSet;
}
else
{
linkpart.LocalPosition += offsetPos;
linkpart.LocalRotation /= offsetRot;
newLinkSet.AddLink(linkpart);
linkpart.ObjectGroup = newLinkSet;
}
Remove(linkpart.ID);
}
}
/* root prim always remains in original group */
uuids.Remove(RootPart.ID);
if (newLinkSet.Count != 0)
{
newLinkSet.PostEvent(new ChangedEvent(ChangedEvent.ChangedFlags.Link));
unlinkedPrims.Add(newLinkSet);
}
}
newlink = LINK_ROOT + 1;
for (int i = LINK_ROOT + 1; i <= Count; ++i)
{
ObjectPart linkpart = this[i];
if (!uuids.Contains(linkpart.ID))
{
if (i != newlink)
{
reorderLinkSet.Add(i, newlink);
}
++newlink;
}
}
/* remove child prims */
foreach (UUID id in uuids)
{
ObjectPart part;
if (Remove(id, out part))
{
var newGrp = new ObjectGroup(this);
newGrp.Add(LINK_ROOT, part.ID, part);
part.ObjectGroup = newGrp;
part.LocalPosition = newChildPos[id];
part.LocalRotation = newChildRot[id];
part.IsSandbox = false;
/* re-trigger update */
part.IncSerialNumber();
newGrp.PostEvent(new ChangedEvent(ChangedEvent.ChangedFlags.Link));
unlinkedPrims.Add(newGrp);
}
}
foreach (KeyValuePair <int, int> kvp in reorderLinkSet)
{
ChangeKey(kvp.Value, kvp.Key);
}
foreach (ObjectPart part in ValuesByKey1)
{
part.TriggerOnUpdate(UpdateChangedFlags.Link);
part.Inventory.ResumeScripts();
}
return(true);
}
}
internal ObjectUpdateInfo(ObjectPart part)
{
Part = part;
ID = part.ID;
}
