3 files changed, 55 insertions, 12 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index 1f32362..7fa5509 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -310,8 +310,14 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     item.Name = itemUpd.Name;
                     item.Description = itemUpd.Description;
+                    if (item.NextPermissions != (itemUpd.NextPermissions & item.BasePermissions))
+                        item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteNextOwner;
                     item.NextPermissions = itemUpd.NextPermissions & item.BasePermissions;
+                    if (item.EveryOnePermissions != (itemUpd.EveryOnePermissions & item.BasePermissions))
+                        item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteEveryone;
                     item.EveryOnePermissions = itemUpd.EveryOnePermissions & item.BasePermissions;
+                    if (item.GroupPermissions != (itemUpd.GroupPermissions & item.BasePermissions))
+                        item.Flags |= (uint)InventoryItemFlags.ObjectOverwriteGroup;
                     item.GroupPermissions = itemUpd.GroupPermissions & item.BasePermissions;
                     item.GroupID = itemUpd.GroupID;
                     item.GroupOwned = itemUpd.GroupOwned;
@@ -326,9 +332,12 @@ namespace OpenSim.Region.Framework.Scenes
                     // TODO: Check if folder changed and move item
                     //item.NextPermissions = itemUpd.Folder;
                     item.InvType = itemUpd.InvType;
+
+                    if (item.SalePrice != itemUpd.SalePrice ||
+                        item.SaleType != itemUpd.SaleType)
+                        item.Flags |= (uint)InventoryItemFlags.ObjectSlamSale;
                     item.SalePrice = itemUpd.SalePrice;
                     item.SaleType = itemUpd.SaleType;
-                    item.Flags = itemUpd.Flags;
 
                     InventoryService.UpdateItem(item);
                 }
@@ -509,7 +518,8 @@ namespace OpenSim.Region.Framework.Scenes
                     // Assign to the actual item. Make sure the slam bit is
                     // set, if it wasn't set before.
                     itemCopy.BasePermissions = basePerms;
-                    itemCopy.CurrentPermissions = ownerPerms | 16; // Slam
+                    itemCopy.CurrentPermissions = ownerPerms;
+                    itemCopy.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
 
                     itemCopy.NextPermissions = item.NextPermissions;
 
@@ -1049,7 +1059,7 @@ namespace OpenSim.Region.Framework.Scenes
                 else
                     agentItem.CurrentPermissions = agentItem.BasePermissions & taskItem.CurrentPermissions;
 
-                agentItem.CurrentPermissions |= 16; // Slam
+                agentItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
                 agentItem.NextPermissions = taskItem.NextPermissions;
                 agentItem.EveryOnePermissions = taskItem.EveryonePermissions & (taskItem.NextPermissions | (uint)PermissionMask.Move);
                 agentItem.GroupPermissions = taskItem.GroupPermissions & taskItem.NextPermissions;
@@ -1260,7 +1270,7 @@ namespace OpenSim.Region.Framework.Scenes
                             (srcTaskItem.NextPermissions | (uint)PermissionMask.Move);
                     destTaskItem.BasePermissions = srcTaskItem.BasePermissions &
                             (srcTaskItem.NextPermissions | (uint)PermissionMask.Move);
-                    destTaskItem.CurrentPermissions |= 16; // Slam!
+                    destTaskItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
                 }
             }
 
@@ -1434,6 +1444,8 @@ namespace OpenSim.Region.Framework.Scenes
                     // Base ALWAYS has move
                     currentItem.BasePermissions |= (uint)PermissionMask.Move;
 
+                    itemInfo.Flags = currentItem.Flags;
+
                     // Check if we're allowed to mess with permissions
                     if (!Permissions.IsGod(remoteClient.AgentId)) // Not a god
                     {
@@ -1451,6 +1463,14 @@ namespace OpenSim.Region.Framework.Scenes
                             // Owner can't change base, and can change other
                             // only up to base
                             itemInfo.BasePermissions = currentItem.BasePermissions;
+                            if (itemInfo.EveryonePermissions != currentItem.EveryonePermissions)
+                                itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteEveryone;
+                            if (itemInfo.GroupPermissions != currentItem.GroupPermissions)
+                                itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteGroup;
+                            if (itemInfo.CurrentPermissions != currentItem.CurrentPermissions)
+                                itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteOwner;
+                            if (itemInfo.NextPermissions != currentItem.NextPermissions)
+                                itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteNextOwner;
                             itemInfo.EveryonePermissions &= currentItem.BasePermissions;
                             itemInfo.GroupPermissions &= currentItem.BasePermissions;
                             itemInfo.CurrentPermissions &= currentItem.BasePermissions;
@@ -1458,6 +1478,19 @@ namespace OpenSim.Region.Framework.Scenes
                         }
 
                     }
+                    else
+                    {
+                        if (itemInfo.BasePermissions != currentItem.BasePermissions)
+                            itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteBase;
+                        if (itemInfo.EveryonePermissions != currentItem.EveryonePermissions)
+                            itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteEveryone;
+                        if (itemInfo.GroupPermissions != currentItem.GroupPermissions)
+                            itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteGroup;
+                        if (itemInfo.CurrentPermissions != currentItem.CurrentPermissions)
+                            itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteOwner;
+                        if (itemInfo.NextPermissions != currentItem.NextPermissions)
+                            itemInfo.Flags |= (uint)InventoryItemFlags.ObjectOverwriteNextOwner;
+                    }
 
                     // Next ALWAYS has move
                     itemInfo.NextPermissions |= (uint)PermissionMask.Move;
@@ -1666,7 +1699,7 @@ namespace OpenSim.Region.Framework.Scenes
                             srcTaskItem.NextPermissions;
                     destTaskItem.BasePermissions = srcTaskItem.BasePermissions &
                             srcTaskItem.NextPermissions;
-                    destTaskItem.CurrentPermissions |= 16; // Slam!
+                    destTaskItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
                 }
             }
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
index 50521c4..0b545c4 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.Inventory.cs
@@ -118,7 +118,7 @@ namespace OpenSim.Region.Framework.Scenes
                     taskItem.NextPermissions = item.NextPermissions;
                     // We're adding this to a prim we don't own. Force
                     // owner change
-                    taskItem.CurrentPermissions |= 16; // Slam
+                    taskItem.Flags |= (uint)InventoryItemFlags.ObjectSlamPerm;
                 } 
                 else 
                 {
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index 3b1ab01..8761284 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -815,14 +815,19 @@ namespace OpenSim.Region.Framework.Scenes
 
             group.SetGroup(m_part.GroupID, null);
 
-            if ((rootPart.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
+            // TODO: Remove magic number badness
+            if ((rootPart.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0 || (item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0) // Magic number
             {
                 if (m_part.ParentGroup.Scene.Permissions.PropagatePermissions())
                 {
                     foreach (SceneObjectPart part in partList)
                     {
-                        part.EveryoneMask = item.EveryonePermissions;
-                        part.NextOwnerMask = item.NextPermissions;
+                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
+                            part.EveryoneMask = item.EveryonePermissions;
+                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
+                            part.NextOwnerMask = item.NextPermissions;
+                        if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteGroup) != 0)
+                            part.GroupMask = item.GroupPermissions;
                     }
                     
                     group.ApplyNextOwnerPermissions();
@@ -831,15 +836,20 @@ namespace OpenSim.Region.Framework.Scenes
 
             foreach (SceneObjectPart part in partList)
             {
-                if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0)
+                // TODO: Remove magic number badness
+                if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & 16) != 0 || (item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0) // Magic number
                 {
                     part.LastOwnerID = part.OwnerID;
                     part.OwnerID = item.OwnerID;
                     part.Inventory.ChangeInventoryOwner(item.OwnerID);
                 }
                 
-                part.EveryoneMask = item.EveryonePermissions;
-                part.NextOwnerMask = item.NextPermissions;
+                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteEveryone) != 0)
+                    part.EveryoneMask = item.EveryonePermissions;
+                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteNextOwner) != 0)
+                    part.NextOwnerMask = item.NextPermissions;
+                if ((item.Flags & (uint)InventoryItemFlags.ObjectOverwriteGroup) != 0)
+                    part.GroupMask = item.GroupPermissions;
             }
             
             rootPart.TrimPermissions();