Implement taking of coalesced objects.

WARNING!!!!!
You can TAKE them, but you can't REZ them again. Only the first of the contained
objects will rez, the rest is inaccessible until rezzing them is implemented.
Also, rotations are not explicitly stored. This MAY work. Or not.

1 files changed, 263 insertions, 196 deletions

diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index 8d0c35a..88dff02 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -28,6 +28,7 @@
 using System;
 using System.Collections.Generic;
 using System.Net;
+using System.Xml;
 using System.Reflection;
 using System.Threading;
 
@@ -205,11 +206,11 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
         public virtual UUID DeleteToInventory(DeRezAction action, UUID folderID,
                 List<SceneObjectGroup> objectGroups, IClientAPI remoteClient)
         {
-            // HACK: This is only working for lists containing a single item!
-            // It's just a hack to make this WIP compile and run. Nothing
-            // currently calls this with multiple items.
             UUID ret = UUID.Zero; 
 
+            // The following code groups the SOG's by owner. No objects
+            // belonging to different people can be coalesced, for obvious
+            // reasons.
             Dictionary<UUID, List<SceneObjectGroup>> deletes =
                     new Dictionary<UUID, List<SceneObjectGroup>>();
 
@@ -221,262 +222,328 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                 deletes[g.OwnerID].Add(g);
             }
 
+            // This is pethod scoped and will be returned. It will be the
+            // last created asset id
+            UUID assetID = UUID.Zero;
+
+            // Each iteration is really a separate asset being created,
+            // with distinct destinations as well.
             foreach (List<SceneObjectGroup> objlist in deletes.Values)
             {
-                foreach (SceneObjectGroup g in objlist)
-                    ret = DeleteToInventory(action, folderID, g, remoteClient);
-            }
-
-            return ret;
-        }
+                Dictionary<UUID, string> xmlStrings =
+                        new Dictionary<UUID, string>();
 
-        private UUID DeleteToInventory(DeRezAction action, UUID folderID,
-                SceneObjectGroup objectGroup, IClientAPI remoteClient)
-        {
-            UUID assetID = UUID.Zero;
+                foreach (SceneObjectGroup objectGroup in objlist)
+                {
+                    Vector3 inventoryStoredPosition = new Vector3
+                                (((objectGroup.AbsolutePosition.X > (int)Constants.RegionSize)
+                                      ? 250
+                                      : objectGroup.AbsolutePosition.X)
+                                 ,
+                                 (objectGroup.AbsolutePosition.X > (int)Constants.RegionSize)
+                                     ? 250
+                                     : objectGroup.AbsolutePosition.X,
+                                 objectGroup.AbsolutePosition.Z);
 
-            Vector3 inventoryStoredPosition = new Vector3
-                        (((objectGroup.AbsolutePosition.X > (int)Constants.RegionSize)
-                              ? 250
-                              : objectGroup.AbsolutePosition.X)
-                         ,
-                         (objectGroup.AbsolutePosition.X > (int)Constants.RegionSize)
-                             ? 250
-                             : objectGroup.AbsolutePosition.X,
-                         objectGroup.AbsolutePosition.Z);
+                    Vector3 originalPosition = objectGroup.AbsolutePosition;
 
-            Vector3 originalPosition = objectGroup.AbsolutePosition;
+                    // Restore attachment data after trip through the sim
+                    if (objectGroup.RootPart.AttachPoint > 0)
+                        inventoryStoredPosition = objectGroup.RootPart.AttachOffset;
+                    objectGroup.RootPart.Shape.State = objectGroup.RootPart.AttachPoint;
 
-            objectGroup.AbsolutePosition = inventoryStoredPosition;
+                    objectGroup.AbsolutePosition = inventoryStoredPosition;
 
-            string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(objectGroup);
+                    // Make sure all bits but the ones we want are clear
+                    // on take.
+                    // This will be applied to the current perms, so
+                    // it will do what we want.
+                    objectGroup.RootPart.NextOwnerMask &=
+                            ((uint)PermissionMask.Copy |
+                             (uint)PermissionMask.Transfer |
+                             (uint)PermissionMask.Modify);
+                    objectGroup.RootPart.NextOwnerMask |=
+                            (uint)PermissionMask.Move;
 
-            objectGroup.AbsolutePosition = originalPosition;
+                    string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(objectGroup);
 
-            // Get the user info of the item destination
-            //
-            UUID userID = UUID.Zero;
+                    objectGroup.AbsolutePosition = originalPosition;
 
-            if (action == DeRezAction.Take || action == DeRezAction.TakeCopy ||
-                action == DeRezAction.SaveToExistingUserInventoryItem)
-            {
-                // Take or take copy require a taker
-                // Saving changes requires a local user
-                //
-                if (remoteClient == null)
-                    return UUID.Zero;
+                    xmlStrings[objectGroup.UUID] = sceneObjectXml;
+                }
 
-                userID = remoteClient.AgentId;
-            }
-            else
-            {
-                // All returns / deletes go to the object owner
-                //
+                string itemXml;
 
-                userID = objectGroup.RootPart.OwnerID;
-            }
+                if (objlist.Count > 1)
+                {
+                    float minX, minY, minZ;
+                    float maxX, maxY, maxZ;
 
-            if (userID == UUID.Zero) // Can't proceed
-            {
-                return UUID.Zero;
-            }
+                    Vector3[] offsets = m_Scene.GetCombinedBoundingBox(objlist,
+                            out minX, out maxX, out minY, out maxY,
+                            out minZ, out maxZ);
 
-            // If we're returning someone's item, it goes back to the
-            // owner's Lost And Found folder.
-            // Delete is treated like return in this case
-            // Deleting your own items makes them go to trash
-            //
+                    // CreateWrapper
+                    XmlDocument itemDoc = new XmlDocument();
+                    XmlElement root = itemDoc.CreateElement("", "CoalescedObject", "");
+                    itemDoc.AppendChild(root);
 
-            InventoryFolderBase folder = null;
-            InventoryItemBase item = null;
+                    // Embed the offsets into the group XML
+                    for ( int i = 0 ; i < objlist.Count ; i++ )
+                    {
+                        XmlDocument doc = new XmlDocument();
+                        SceneObjectGroup g = objlist[i];
+                        doc.LoadXml(xmlStrings[g.UUID]);
+                        XmlElement e = (XmlElement)doc.SelectSingleNode("/SceneObjectGroup");
+                        e.SetAttribute("offsetx", offsets[i].X.ToString());
+                        e.SetAttribute("offsety", offsets[i].Y.ToString());
+                        e.SetAttribute("offsetz", offsets[i].Z.ToString());
+
+                        XmlNode objectNode = itemDoc.ImportNode(e, true);
+                        root.AppendChild(objectNode);
+                    }
 
-            if (DeRezAction.SaveToExistingUserInventoryItem == action)
-            {
-                item = new InventoryItemBase(objectGroup.RootPart.FromUserInventoryItemID, userID);
-                item = m_Scene.InventoryService.GetItem(item);
+                    float sizeX = maxX - minX;
+                    float sizeY = maxY - minY;
+                    float sizeZ = maxZ - minZ;
 
-                //item = userInfo.RootFolder.FindItem(
-                //        objectGroup.RootPart.FromUserInventoryItemID);
+                    root.SetAttribute("x", sizeX.ToString());
+                    root.SetAttribute("y", sizeY.ToString());
+                    root.SetAttribute("z", sizeZ.ToString());
 
-                if (null == item)
+                    itemXml = itemDoc.InnerXml;
+                }
+                else
                 {
-                    m_log.DebugFormat(
-                        "[AGENT INVENTORY]: Object {0} {1} scheduled for save to inventory has already been deleted.",
-                        objectGroup.Name, objectGroup.UUID);
-                    return UUID.Zero;
+                    itemXml = xmlStrings[objlist[0].UUID];
                 }
-            }
-            else
-            {
-                // Folder magic
+
+                // Get the user info of the item destination
                 //
-                if (action == DeRezAction.Delete)
+                UUID userID = UUID.Zero;
+
+                if (action == DeRezAction.Take || action == DeRezAction.TakeCopy ||
+                    action == DeRezAction.SaveToExistingUserInventoryItem)
                 {
-                    // Deleting someone else's item
+                    // Take or take copy require a taker
+                    // Saving changes requires a local user
                     //
-                    if (remoteClient == null ||
-                        objectGroup.OwnerID != remoteClient.AgentId)
-                    {
+                    if (remoteClient == null)
+                        return UUID.Zero;
 
-                        folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
-                    }
-                    else
-                    {
-                         folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.TrashFolder);
-                    }
+                    userID = remoteClient.AgentId;
                 }
-                else if (action == DeRezAction.Return)
+                else
                 {
-
-                    // Dump to lost + found unconditionally
+                    // All returns / deletes go to the object owner
                     //
-                    folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+
+                    userID = objlist[0].RootPart.OwnerID;
                 }
 
-                if (folderID == UUID.Zero && folder == null)
+                if (userID == UUID.Zero) // Can't proceed
                 {
-                    if (action == DeRezAction.Delete)
+                    return UUID.Zero;
+                }
+
+                // If we're returning someone's item, it goes back to the
+                // owner's Lost And Found folder.
+                // Delete is treated like return in this case
+                // Deleting your own items makes them go to trash
+                //
+
+                InventoryFolderBase folder = null;
+                InventoryItemBase item = null;
+
+                if (DeRezAction.SaveToExistingUserInventoryItem == action)
+                {
+                    item = new InventoryItemBase(objlist[0].RootPart.FromUserInventoryItemID, userID);
+                    item = m_Scene.InventoryService.GetItem(item);
+
+                    //item = userInfo.RootFolder.FindItem(
+                    //        objectGroup.RootPart.FromUserInventoryItemID);
+
+                    if (null == item)
                     {
-                        // Deletes go to trash by default
-                        //
-                        folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.TrashFolder);
+                        m_log.DebugFormat(
+                            "[AGENT INVENTORY]: Object {0} {1} scheduled for save to inventory has already been deleted.",
+                            objlist[0].Name, objlist[0].UUID);
+                        return UUID.Zero;
                     }
-                    else
+                }
+                else
+                {
+                    // Folder magic
+                    //
+                    if (action == DeRezAction.Delete)
                     {
+                        // Deleting someone else's item
+                        //
                         if (remoteClient == null ||
-                            objectGroup.OwnerID != remoteClient.AgentId)
+                            objlist[0].OwnerID != remoteClient.AgentId)
                         {
-                            // Taking copy of another person's item. Take to
-                            // Objects folder.
-                            folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.Object);
+
+                            folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
                         }
                         else
                         {
-                            // Catch all. Use lost & found
+                             folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.TrashFolder);
+                        }
+                    }
+                    else if (action == DeRezAction.Return)
+                    {
+
+                        // Dump to lost + found unconditionally
+                        //
+                        folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+                    }
+
+                    if (folderID == UUID.Zero && folder == null)
+                    {
+                        if (action == DeRezAction.Delete)
+                        {
+                            // Deletes go to trash by default
                             //
+                            folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.TrashFolder);
+                        }
+                        else
+                        {
+                            if (remoteClient == null ||
+                                objlist[0].OwnerID != remoteClient.AgentId)
+                            {
+                                // Taking copy of another person's item. Take to
+                                // Objects folder.
+                                folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.Object);
+                            }
+                            else
+                            {
+                                // Catch all. Use lost & found
+                                //
 
-                            folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+                                folder = m_Scene.InventoryService.GetFolderForType(userID, AssetType.LostAndFoundFolder);
+                            }
                         }
                     }
-                }
 
-                // Override and put into where it came from, if it came
-                // from anywhere in inventory
-                //
-                if (action == DeRezAction.Take || action == DeRezAction.TakeCopy)
-                {
-                    if (objectGroup.RootPart.FromFolderID != UUID.Zero)
+                    // Override and put into where it came from, if it came
+                    // from anywhere in inventory
+                    //
+                    if (action == DeRezAction.Take || action == DeRezAction.TakeCopy)
                     {
-                        InventoryFolderBase f = new InventoryFolderBase(objectGroup.RootPart.FromFolderID, userID);
-                        folder = m_Scene.InventoryService.GetFolder(f);
+                        if (objlist[0].RootPart.FromFolderID != UUID.Zero)
+                        {
+                            InventoryFolderBase f = new InventoryFolderBase(objlist[0].RootPart.FromFolderID, userID);
+                            folder = m_Scene.InventoryService.GetFolder(f);
+                        }
                     }
-                }
-
-                if (folder == null) // None of the above
-                {
-                    folder = new InventoryFolderBase(folderID);
 
-                    if (folder == null) // Nowhere to put it
+                    if (folder == null) // None of the above
                     {
-                        return UUID.Zero;
-                    }
-                }
+                        folder = new InventoryFolderBase(folderID);
 
-                item = new InventoryItemBase();
-                item.CreatorId = objectGroup.RootPart.CreatorID.ToString();
-                item.CreatorData = objectGroup.RootPart.CreatorData;
-                item.ID = UUID.Random();
-                item.InvType = (int)InventoryType.Object;
-                item.Folder = folder.ID;
-                item.Owner = userID;
-            }
+                        if (folder == null) // Nowhere to put it
+                        {
+                            return UUID.Zero;
+                        }
+                    }
 
-            AssetBase asset = CreateAsset(
-                objectGroup.GetPartName(objectGroup.RootPart.LocalId),
-                objectGroup.GetPartDescription(objectGroup.RootPart.LocalId),
-                (sbyte)AssetType.Object,
-                Utils.StringToBytes(sceneObjectXml),
-                objectGroup.OwnerID.ToString());
-            m_Scene.AssetService.Store(asset);
-            assetID = asset.FullID;
+                    item = new InventoryItemBase();
+                    // Can't know creator is the same, so null it in inventory
+                    if (objlist.Count > 1)
+                        item.CreatorId = UUID.Zero.ToString();
+                    else
+                        item.CreatorId = objlist[0].RootPart.CreatorID.ToString();
+                    item.ID = UUID.Random();
+                    item.InvType = (int)InventoryType.Object;
+                    item.Folder = folder.ID;
+                    item.Owner = userID;
+                    if (objlist.Count > 1)
+                        item.Flags = (uint)InventoryItemFlags.ObjectHasMultipleItems;
+                }
 
-            if (DeRezAction.SaveToExistingUserInventoryItem == action)
-            {
-                item.AssetID = asset.FullID;
-                m_Scene.InventoryService.UpdateItem(item);
-            }
-            else
-            {
-                item.AssetID = asset.FullID;
+                AssetBase asset = CreateAsset(
+                    objlist[0].GetPartName(objlist[0].RootPart.LocalId),
+                    objlist[0].GetPartDescription(objlist[0].RootPart.LocalId),
+                    (sbyte)AssetType.Object,
+                    Utils.StringToBytes(itemXml),
+                    objlist[0].OwnerID.ToString());
+                m_Scene.AssetService.Store(asset);
+                assetID = asset.FullID;
 
-                if (remoteClient != null && (remoteClient.AgentId != objectGroup.RootPart.OwnerID) && m_Scene.Permissions.PropagatePermissions())
+                if (DeRezAction.SaveToExistingUserInventoryItem == action)
                 {
-                    uint perms = objectGroup.GetEffectivePermissions();
-                    uint nextPerms = (perms & 7) << 13;
-                    if ((nextPerms & (uint)PermissionMask.Copy) == 0)
-                        perms &= ~(uint)PermissionMask.Copy;
-                    if ((nextPerms & (uint)PermissionMask.Transfer) == 0)
-                        perms &= ~(uint)PermissionMask.Transfer;
-                    if ((nextPerms & (uint)PermissionMask.Modify) == 0)
-                        perms &= ~(uint)PermissionMask.Modify;
-
-                    // Make sure all bits but the ones we want are clear
-                    // on take.
-                    // This will be applied to the current perms, so
-                    // it will do what we want.
-                    objectGroup.RootPart.NextOwnerMask &=
-                            ((uint)PermissionMask.Copy | 
-                             (uint)PermissionMask.Transfer |
-                             (uint)PermissionMask.Modify);
-                    objectGroup.RootPart.NextOwnerMask |=
-                            (uint)PermissionMask.Move;
-
-                    item.BasePermissions = perms & objectGroup.RootPart.NextOwnerMask;
-                    item.CurrentPermissions = item.BasePermissions;
-                    item.NextPermissions = objectGroup.RootPart.NextOwnerMask;
-                    item.EveryOnePermissions = objectGroup.RootPart.EveryoneMask & objectGroup.RootPart.NextOwnerMask;
-                    item.GroupPermissions = objectGroup.RootPart.GroupMask & objectGroup.RootPart.NextOwnerMask;
-                    
-                    item.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
+                    item.AssetID = asset.FullID;
+                    m_Scene.InventoryService.UpdateItem(item);
                 }
                 else
                 {
-                    item.BasePermissions = objectGroup.GetEffectivePermissions();
-                    item.CurrentPermissions = objectGroup.GetEffectivePermissions();
-                    item.NextPermissions = objectGroup.RootPart.NextOwnerMask;
-                    item.EveryOnePermissions = objectGroup.RootPart.EveryoneMask;
-                    item.GroupPermissions = objectGroup.RootPart.GroupMask;
+                    item.AssetID = asset.FullID;
 
-                    item.CurrentPermissions &=
-                            ((uint)PermissionMask.Copy |
-                             (uint)PermissionMask.Transfer |
-                             (uint)PermissionMask.Modify |
-                             (uint)PermissionMask.Move |
-                             7); // Preserve folded permissions
-                }
+                    uint effectivePerms = (uint)(PermissionMask.Copy | PermissionMask.Transfer | PermissionMask.Modify | PermissionMask.Move) | 7;
+                    foreach (SceneObjectGroup grp in objlist)
+                        effectivePerms &= grp.GetEffectivePermissions();
+                    effectivePerms |= (uint)PermissionMask.Move;
 
-                // TODO: add the new fields (Flags, Sale info, etc)
-                item.CreationDate = Util.UnixTimeSinceEpoch();
-                item.Description = asset.Description;
-                item.Name = asset.Name;
-                item.AssetType = asset.Type;
+                    if (remoteClient != null && (remoteClient.AgentId != objlist[0].RootPart.OwnerID) && m_Scene.Permissions.PropagatePermissions())
+                    {
+                        uint perms = effectivePerms;
+                        uint nextPerms = (perms & 7) << 13;
+                        if ((nextPerms & (uint)PermissionMask.Copy) == 0)
+                            perms &= ~(uint)PermissionMask.Copy;
+                        if ((nextPerms & (uint)PermissionMask.Transfer) == 0)
+                            perms &= ~(uint)PermissionMask.Transfer;
+                        if ((nextPerms & (uint)PermissionMask.Modify) == 0)
+                            perms &= ~(uint)PermissionMask.Modify;
+
+                        item.BasePermissions = perms & objlist[0].RootPart.NextOwnerMask;
+                        item.CurrentPermissions = item.BasePermissions;
+                        item.NextPermissions = perms & objlist[0].RootPart.NextOwnerMask;
+                        item.EveryOnePermissions = objlist[0].RootPart.EveryoneMask & objlist[0].RootPart.NextOwnerMask;
+                        item.GroupPermissions = objlist[0].RootPart.GroupMask & objlist[0].RootPart.NextOwnerMask;
+                        
+                        // Magic number badness. Maybe this deserves an enum.
+                        // bit 4 (16) is the "Slam" bit, it means treat as passed
+                        // and apply next owner perms on rez
+                        item.CurrentPermissions |= 16; // Slam!
+                    }
+                    else
+                    {
+                        item.BasePermissions = effectivePerms;
+                        item.CurrentPermissions = effectivePerms;
+                        item.NextPermissions = objlist[0].RootPart.NextOwnerMask & effectivePerms;
+                        item.EveryOnePermissions = objlist[0].RootPart.EveryoneMask & effectivePerms;
+                        item.GroupPermissions = objlist[0].RootPart.GroupMask & effectivePerms;
+
+                        item.CurrentPermissions &=
+                                ((uint)PermissionMask.Copy |
+                                 (uint)PermissionMask.Transfer |
+                                 (uint)PermissionMask.Modify |
+                                 (uint)PermissionMask.Move |
+                                 7); // Preserve folded permissions
+                    }
 
-                m_Scene.AddInventoryItem(item);
+                    // TODO: add the new fields (Flags, Sale info, etc)
+                    item.CreationDate = Util.UnixTimeSinceEpoch();
+                    item.Description = asset.Description;
+                    item.Name = asset.Name;
+                    item.AssetType = asset.Type;
 
-                if (remoteClient != null && item.Owner == remoteClient.AgentId)
-                {
-                    remoteClient.SendInventoryItemCreateUpdate(item, 0);
-                }
-                else
-                {
-                    ScenePresence notifyUser = m_Scene.GetScenePresence(item.Owner);
-                    if (notifyUser != null)
+                    m_Scene.AddInventoryItem(item);
+
+                    if (remoteClient != null && item.Owner == remoteClient.AgentId)
                     {
-                        notifyUser.ControllingClient.SendInventoryItemCreateUpdate(item, 0);
+                        remoteClient.SendInventoryItemCreateUpdate(item, 0);
+                    }
+                    else
+                    {
+                        ScenePresence notifyUser = m_Scene.GetScenePresence(item.Owner);
+                        if (notifyUser != null)
+                        {
+                            notifyUser.ControllingClient.SendInventoryItemCreateUpdate(item, 0);
+                        }
                     }
                 }
             }
-
             return assetID;
         }