refactor: break out attachment position change code in Scene.UpdatePrimPosition() and move into AttachmentsModule

This allows region modules to change attachment positions.

1 files changed, 20 insertions, 1 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 847a999..b3811bf 100644
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -455,5 +455,24 @@ 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;
+            m_scene.UpdateKnownItem(client, sog, sog.GetFromItemID(), sog.OwnerID);
+            sog.SetAttachmentPoint(attachmentPoint);            
+        }
     }
-}
+}
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