12 files changed, 112 insertions, 61 deletions

diff --git a/OpenSim/Framework/ISceneObject.cs b/OpenSim/Framework/ISceneObject.cs
index 5147901..18631f1 100644
--- a/OpenSim/Framework/ISceneObject.cs
+++ b/OpenSim/Framework/ISceneObject.cs
@@ -39,5 +39,6 @@ namespace OpenSim.Framework
         void ExtraFromXmlString(string xmlstr);
         string GetStateSnapshot();
         void SetState(string xmlstr, IScene s);
+        bool HasGroupChanged { get; set; }
     }
 }
diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 348b8b9..1744fb3 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -273,6 +273,10 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                 
                 if (objatt != null)
                 {
+                    // Loading the inventory from XML will have set this, but
+                    // there is no way the object could have changed yet,
+                    // since scripts aren't running yet. So, clear it here.
+                    objatt.HasGroupChanged = false;
                     bool tainted = false;
                     if (AttachmentPt != 0 && AttachmentPt != objatt.GetAttachmentPoint())
                         tainted = true;
@@ -470,6 +474,13 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                         m_scene.EventManager.TriggerOnAttach(group.LocalId, itemID, UUID.Zero);
                         group.DetachToInventoryPrep();
                         m_log.Debug("[ATTACHMENTS MODULE]: Saving attachpoint: " + ((uint)group.GetAttachmentPoint()).ToString());
+
+                        // If an item contains scripts, it's always changed.
+                        // This ensures script state is saved on detach
+                        foreach (SceneObjectPart p in group.Parts)
+                            if (p.Inventory.ContainsScripts())
+                                group.HasGroupChanged = true;
+
                         UpdateKnownItem(remoteClient, group, group.GetFromItemID(), group.OwnerID);
                         m_scene.DeleteSceneObject(group, false);
                         return;
@@ -478,25 +489,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             }
         }
         
-        public void UpdateAttachmentPosition(IClientAPI client, SceneObjectGroup sog, Vector3 pos)
-        {
-            // If this is an attachment, then we need to save the modified
-            // object back into the avatar's inventory. First we save the
-            // attachment point information, then we update the relative 
-            // positioning (which caused this method to get driven in the
-            // first place. Then we have to mark the object as NOT an
-            // attachment. This is necessary in order to correctly save
-            // and retrieve GroupPosition information for the attachment.
-            // Then we save the asset back into the appropriate inventory
-            // entry. Finally, we restore the object's attachment status.
-            byte attachmentPoint = sog.GetAttachmentPoint();
-            sog.UpdateGroupPosition(pos);
-            sog.RootPart.IsAttachment = false;
-            sog.AbsolutePosition = sog.RootPart.AttachedPos;
-            UpdateKnownItem(client, sog, sog.GetFromItemID(), sog.OwnerID);
-            sog.SetAttachmentPoint(attachmentPoint);
-        }
-        
         /// <summary>
         /// Update the attachment asset for the new sog details if they have changed.
         /// </summary>
@@ -508,7 +500,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
         /// <param name="grp"></param>
         /// <param name="itemID"></param>
         /// <param name="agentID"></param>
-        protected void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp, UUID itemID, UUID agentID)
+        public void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp, UUID itemID, UUID agentID)
         {
             if (grp != null)
             {
@@ -523,7 +515,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                     grp.UUID, grp.GetAttachmentPoint());
 
                 string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(grp);
-
                 InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
                 item = m_scene.InventoryService.GetItem(item);
 
@@ -617,7 +608,6 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
             // In case it is later dropped again, don't let
             // it get cleaned up
             so.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
-            so.HasGroupChanged = false;
         }
     }
 }
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index 7a175ea..ef21834 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -569,12 +569,20 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                     {
                         group.RootPart.Flags |= PrimFlags.Phantom;
                         group.RootPart.IsAttachment = true;
-                    }
 
-                    // If we're rezzing an attachment then don't ask AddNewSceneObject() to update the client since
-                    // we'll be doing that later on.  Scheduling more than one full update during the attachment
-                    // process causes some clients to fail to display the attachment properly.
-                    m_Scene.AddNewSceneObject(group, true, false);
+                        // If we're rezzing an attachment then don't ask
+                        // AddNewSceneObject() to update the client since
+                        // we'll be doing that later on.  Scheduling more
+                        // than one full update during the attachment
+                        // process causes some clients to fail to display
+                        // the attachment properly.
+                        // Also, don't persist attachments.
+                        m_Scene.AddNewSceneObject(group, false, false);
+                    }
+                    else
+                    {
+                        m_Scene.AddNewSceneObject(group, true, false);
+                    }
 
                     //  m_log.InfoFormat("ray end point for inventory rezz is {0} {1} {2} ", RayEnd.X, RayEnd.Y, RayEnd.Z);
                     // if attachment we set it's asset id so object updates can reflect that
diff --git a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
index 24e481b..b3576c5 100644
--- a/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs
@@ -122,11 +122,20 @@ namespace OpenSim.Region.Framework.Interfaces
         void ShowDetachInUserInventory(UUID itemID, IClientAPI remoteClient);
         
         /// <summary>
-        /// Update the position of an attachment
+        /// Update the user inventory with a changed attachment
         /// </summary>
-        /// <param name="client"></param>
-        /// <param name="sog"></param>
-        /// <param name="pos"></param>
-        void UpdateAttachmentPosition(IClientAPI client, SceneObjectGroup sog, Vector3 pos);
+        /// <param name="remoteClient">
+        /// A <see cref="IClientAPI"/>
+        /// </param>
+        /// <param name="grp">
+        /// A <see cref="SceneObjectGroup"/>
+        /// </param>
+        /// <param name="itemID">
+        /// A <see cref="UUID"/>
+        /// </param>
+        /// <param name="agentID">
+        /// A <see cref="UUID"/>
+        /// </param>
+        void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp, UUID itemID, UUID agentID);
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
index 2e6faa0..64664ab 100644
--- a/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
+++ b/OpenSim/Region/Framework/Interfaces/IEntityInventory.cs
@@ -183,6 +183,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <returns>false if the item did not exist, true if the update occurred successfully</returns>
         bool UpdateInventoryItem(TaskInventoryItem item);
         bool UpdateInventoryItem(TaskInventoryItem item, bool fireScriptEvents);
+        bool UpdateInventoryItem(TaskInventoryItem item, bool fireScriptEvents, bool considerChanged);
 
         /// <summary>
         /// Remove an item from this entity's inventory
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index a4cc66d..96a9f99 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3152,7 +3152,6 @@ namespace OpenSim.Region.Framework.Scenes
                         List<ulong> regions = new List<ulong>(avatar.KnownChildRegionHandles);
                         regions.Remove(RegionInfo.RegionHandle);
                         m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
-
                     }
                     m_eventManager.TriggerClientClosed(agentID, this);
                 }
@@ -3164,6 +3163,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                 m_eventManager.TriggerOnRemovePresence(agentID);
 
+                if (avatar != null && (!avatar.IsChildAgent))
+                    avatar.SaveChangedAttachments();
+
                 ForEachClient(
                     delegate(IClientAPI client)
                     {
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 24d7334..032c859 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -259,7 +259,7 @@ namespace OpenSim.Region.Framework.Scenes
         protected internal bool AddRestoredSceneObject(
             SceneObjectGroup sceneObject, bool attachToBackup, bool alreadyPersisted, bool sendClientUpdates)
         {
-            if (!alreadyPersisted)
+            if (attachToBackup && (!alreadyPersisted))
             {
                 sceneObject.ForceInventoryPersistence();
                 sceneObject.HasGroupChanged = true;
@@ -282,8 +282,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// </returns>
         protected internal bool AddNewSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
         {
-            // Ensure that we persist this new scene object
-            sceneObject.HasGroupChanged = true;
+            // Ensure that we persist this new scene object if it's not an
+            // attachment
+            if (attachToBackup)
+                sceneObject.HasGroupChanged = true;
 
             return AddSceneObject(sceneObject, attachToBackup, sendClientUpdates);
         }
@@ -1279,8 +1281,13 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (group.IsAttachment || (group.RootPart.Shape.PCode == 9 && group.RootPart.Shape.State != 0))
                 {
-                    if (m_parentScene.AttachmentsModule != null)
-                        m_parentScene.AttachmentsModule.UpdateAttachmentPosition(remoteClient, group, pos);
+                    // Set the new attachment point data in the object
+                    byte attachmentPoint = group.GetAttachmentPoint();
+                    group.UpdateGroupPosition(pos);
+                    group.RootPart.IsAttachment = false;
+                    group.AbsolutePosition = group.RootPart.AttachedPos;
+                    group.SetAttachmentPoint(attachmentPoint);
+                    group.HasGroupChanged = true;
                 }
                 else
                 {
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 5f00f84..c2810b2 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -491,13 +491,15 @@ namespace OpenSim.Region.Framework.Scenes
             XmlNodeList nodes = doc.GetElementsByTagName("SavedScriptState");
             if (nodes.Count > 0)
             {
-                m_savedScriptState = new Dictionary<UUID, string>();
+                if (m_savedScriptState == null)
+                    m_savedScriptState = new Dictionary<UUID, string>();
                 foreach (XmlNode node in nodes)
                 {
                     if (node.Attributes["UUID"] != null)
                     {
                         UUID itemid = new UUID(node.Attributes["UUID"].Value);
-                        m_savedScriptState.Add(itemid, node.InnerXml);
+                        if (itemid != UUID.Zero)
+                            m_savedScriptState[itemid] = node.InnerXml;
                     }
                 } 
             }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index 0c5e62d..6a204c3 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -127,8 +127,6 @@ namespace OpenSim.Region.Framework.Scenes
                 if (0 == m_items.Count)
                     return;
 
-                HasInventoryChanged = true;
-                m_part.ParentGroup.HasGroupChanged = true;
                 IList<TaskInventoryItem> items = GetInventoryItems();
                 m_items.Clear();
 
@@ -144,17 +142,6 @@ namespace OpenSim.Region.Framework.Scenes
         {
             lock (Items)
             {
-                if (Items.Count == 0)
-                {
-                    return;
-                }
-    
-                HasInventoryChanged = true;
-                if (m_part.ParentGroup != null)
-                {
-                    m_part.ParentGroup.HasGroupChanged = true;
-                }
-                
                 IList<TaskInventoryItem> items = new List<TaskInventoryItem>(Items.Values);
                 Items.Clear();
     
@@ -208,8 +195,15 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
-            HasInventoryChanged = true;
-            m_part.ParentGroup.HasGroupChanged = true;
+            // Don't let this set the HasGroupChanged flag for attachments
+            // as this happens during rez and we don't want a new asset
+            // for each attachment each time
+            if (!m_part.ParentGroup.RootPart.IsAttachment)
+            {
+                HasInventoryChanged = true;
+                m_part.ParentGroup.HasGroupChanged = true;
+            }
+
             List<TaskInventoryItem> items = GetInventoryItems();
             foreach (TaskInventoryItem item in items)
             {
@@ -674,13 +668,19 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>false if the item did not exist, true if the update occurred successfully</returns>
         public bool UpdateInventoryItem(TaskInventoryItem item)
         {
-            return UpdateInventoryItem(item, true);
+            return UpdateInventoryItem(item, true, true);
         }
 
         public bool UpdateInventoryItem(TaskInventoryItem item, bool fireScriptEvents)
         {
+            return UpdateInventoryItem(item, fireScriptEvents, true);
+        }
+
+        public bool UpdateInventoryItem(TaskInventoryItem item, bool fireScriptEvents, bool considerChanged)
+        {
             TaskInventoryItem it = GetInventoryItem(item.ItemID);
             if (it != null)
+
             {
                 item.ParentID = m_part.UUID;
                 item.ParentPartID = m_part.UUID;
@@ -702,9 +702,11 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (fireScriptEvents)
                     m_part.TriggerScriptChangedEvent(Changed.INVENTORY);
-
-                HasInventoryChanged = true;
-                m_part.ParentGroup.HasGroupChanged = true;
+                if (considerChanged)
+                {
+                    HasInventoryChanged = true;
+                    m_part.ParentGroup.HasGroupChanged = true;
+                }
                 return true;
             }
             else
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 34d1c39..db69093 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -3746,5 +3746,28 @@ namespace OpenSim.Region.Framework.Scenes
                 m_reprioritization_called = false;
             }
         }
+
+        public void SaveChangedAttachments()
+        {
+            // Need to copy this list because DetachToInventoryPrep mods it
+            List<SceneObjectGroup> attachments = new List<SceneObjectGroup>(Attachments.ToArray());
+
+            IAttachmentsModule attachmentsModule = m_scene.AttachmentsModule;
+            if (attachmentsModule != null)
+            {
+                foreach (SceneObjectGroup grp in attachments)
+                {
+                    if (grp.HasGroupChanged) // Resizer scripts?
+                    {
+                        grp.RootPart.IsAttachment = false;
+                        grp.AbsolutePosition = grp.RootPart.AttachedPos;
+//                        grp.DetachToInventoryPrep();
+                        attachmentsModule.UpdateKnownItem(ControllingClient,
+                                grp, grp.GetFromItemID(), grp.OwnerID);
+                        grp.RootPart.IsAttachment = true;
+                    }
+                }
+            }
+        }
     }
 }
diff --git a/OpenSim/Server/Handlers/Simulation/ObjectHandlers.cs b/OpenSim/Server/Handlers/Simulation/ObjectHandlers.cs
index 33e5aa6..04ff83f 100644
--- a/OpenSim/Server/Handlers/Simulation/ObjectHandlers.cs
+++ b/OpenSim/Server/Handlers/Simulation/ObjectHandlers.cs
@@ -162,6 +162,11 @@ namespace OpenSim.Server.Handlers.Simulation
                 return;
             }
 
+            if (args.ContainsKey("modified"))
+                sog.HasGroupChanged = args["modified"].AsBoolean();
+            else
+                sog.HasGroupChanged = false;
+
             if ((args["state"] != null) && s.AllowScriptCrossings)
             {
                 stateXmlStr = args["state"].AsString();
@@ -243,4 +248,4 @@ namespace OpenSim.Server.Handlers.Simulation
         }
 
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
index 502fc82..67647ee 100644
--- a/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
@@ -549,6 +549,7 @@ namespace OpenSim.Services.Connectors.Simulation
             OSDMap args = new OSDMap(2);
             args["sog"] = OSD.FromString(sog.ToXml2());
             args["extra"] = OSD.FromString(sog.ExtraToXmlString());
+            args["modified"] = OSD.FromBoolean(sog.HasGroupChanged);
             string state = sog.GetStateSnapshot();
             if (state.Length > 0)
                 args["state"] = OSD.FromString(state);