* Fixes prim crossing. See bug 1050.

* Causes the internal handling of attachments to put the prim group conceptually at the position of the avatar instead of 0,0,0

OpenSim/Region/Environment/PermissionManager.cs

@@ -168,12 +168,25 @@ namespace OpenSim.Region.Environment
         /// <returns>Has permission?</returns>
         public virtual bool CanObjectEntry(LLUUID user, LLVector3 oldPos, LLVector3 newPos)
         {
+            
+
+            if ((newPos.X > 257f || newPos.X < -1f || newPos.Y > 257f || newPos.Y < -1f))
+            {
+                return true;
+            }
+
             ILandObject land1 = m_scene.LandChannel.getLandObject(oldPos.X, oldPos.Y);
             ILandObject land2 = m_scene.LandChannel.getLandObject(newPos.X, newPos.Y);
+
             if (land1 == null || land2 == null)
             {
                 return false;
             }
+            if (land2 == null)
+            {
+                // need this for crossing borders
+                return true;
+            }
 
             if (land1.landData.globalID == land2.landData.globalID)
             {

OpenSim/Region/Environment/Scenes/InnerScene.cs

@@ -314,6 +314,9 @@ namespace OpenSim.Region.Environment.Scenes
         {
             List<EntityBase> EntityList = GetEntities();
 
+            if (AttachmentPt == 0)
+                AttachmentPt = (uint)AttachmentPoint.LeftHand;
+
             foreach (EntityBase obj in EntityList)
             {
                 if (obj is SceneObjectGroup)

OpenSim/Region/Environment/Scenes/Scene.cs

@@ -1368,14 +1368,19 @@ namespace OpenSim.Region.Environment.Scenes
             m_sceneXmlLoader.SavePrimsToXml2(fileName);
         }
 
+        /// <summary>
+        /// Locate New region Handle and offset the prim position for the new region
+        /// 
+        /// </summary>
+        /// <param name="position">current position of Group</param>
+        /// <param name="grp">Scene Object Group that we're crossing</param>
+ 
         public void CrossPrimGroupIntoNewRegion(LLVector3 position, SceneObjectGroup grp)
         {
             m_log.Warn("Prim crossing: " + grp.UUID.ToString());
             int thisx = (int)RegionInfo.RegionLocX;
             int thisy = (int)RegionInfo.RegionLocY;
 
-            int primcrossingXMLmethod = 0;
-
             ulong newRegionHandle = 0;
             LLVector3 pos = position;
 
@@ -1410,6 +1415,12 @@ namespace OpenSim.Region.Environment.Scenes
             // Offset the positions for the new region across the border
             grp.OffsetForNewRegion(pos);
             
+            CrossPrimGroupIntoNewRegion(newRegionHandle, grp);
+
+        }
+        public void CrossPrimGroupIntoNewRegion(ulong newRegionHandle, SceneObjectGroup grp)
+        {
+            int primcrossingXMLmethod = 0;
             if (newRegionHandle != 0)
             {
                 bool successYN = false;

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -1076,9 +1076,16 @@ namespace OpenSim.Region.Environment.Scenes
         internal void SendPartFullUpdate(IClientAPI remoteClient, SceneObjectPart part, uint clientFlags)
         {
             if (m_rootPart.UUID == part.UUID)
+            {
+                if (m_rootPart.m_IsAttachment)
+                {
+                    part.SendFullUpdateToClient(remoteClient, m_rootPart.m_attachedPos, clientFlags);
+                }
+                else
                 {
                     part.SendFullUpdateToClient(remoteClient, AbsolutePosition, clientFlags);
                 }
+            }
             else
             {
                 part.SendFullUpdateToClient(remoteClient, clientFlags);
@@ -1093,9 +1100,16 @@ namespace OpenSim.Region.Environment.Scenes
         internal void SendPartTerseUpdate(IClientAPI remoteClient, SceneObjectPart part)
         {
             if (m_rootPart.UUID == part.UUID)
+            {
+                if (m_rootPart.m_IsAttachment)
+                {
+                    part.SendTerseUpdateToClient(remoteClient, m_rootPart.m_attachedPos);
+                }
+                else
                 {
                     part.SendTerseUpdateToClient(remoteClient, AbsolutePosition);
                 }
+            }
             else
             {
                 part.SendTerseUpdateToClient(remoteClient);
@@ -2143,6 +2157,11 @@ namespace OpenSim.Region.Environment.Scenes
         {
             if (m_scene.EventManager.TriggerGroupMove(UUID, pos))
             {
+                if (m_rootPart.m_IsAttachment)
+                {
+                    m_rootPart.m_attachedPos = pos;
+                }
+
                 AbsolutePosition = pos;
             }
             //we need to do a terse update even if the move wasn't allowed

OpenSim/Region/Environment/Scenes/SceneObjectPart.cs

@@ -103,6 +103,7 @@ namespace OpenSim.Region.Environment.Scenes
         [XmlIgnore] public bool m_IsAttachment = false;
         [XmlIgnore] public uint m_attachmentPoint = (byte)0;
         [XmlIgnore] public LLUUID m_attachedAvatar = LLUUID.Zero;
+        [XmlIgnore] public LLVector3 m_attachedPos = LLVector3.Zero;
 
         public Int32 CreationDate;
         public uint ParentID = 0;
@@ -276,6 +277,15 @@ namespace OpenSim.Region.Environment.Scenes
                     m_groupPosition.Y = PhysActor.Position.Y;
                     m_groupPosition.Z = PhysActor.Position.Z;
                 }
+                if (m_IsAttachment)
+                {
+                    ScenePresence sp = m_parentGroup.Scene.GetScenePresence(m_attachedAvatar);
+                    if (sp != null)
+                    {
+                        return sp.AbsolutePosition;
+                    }
+                }
+
                 return m_groupPosition;
             }
             set
@@ -340,7 +350,11 @@ namespace OpenSim.Region.Environment.Scenes
 
         public LLVector3 AbsolutePosition
         {
-            get { return m_offsetPosition + m_groupPosition; }
+            get {
+                if (m_IsAttachment)
+                    return GroupPosition;
+
+                return m_offsetPosition + m_groupPosition; }
         }
 
         protected LLQuaternion m_rotationOffset;