* A bit of spice from here, a pinch of salt from there, some brains that attracts zombies.. a recipe for llRezObject

* Original patch by YZh Thanks YZH!!!!
* object_rez event patch by Melanie, Thanks Melanie!!!
* Some fixups, some missing things(velocity,rotation)
* script delay
* Recoil
* Standard error messages
* Standard silent failures
* Easter egg management

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -2526,5 +2526,17 @@ namespace OpenSim.Region.Environment.Scenes
                 }
             }
         }
+        public float GetMass()
+        {
+            float retmass = 0f;
+            lock (m_parts)
+            {
+                foreach (SceneObjectPart part in m_parts.Values)
+                {
+                    retmass += part.GetMass();
+                }
+            }
+            return retmass;
+        }
     }
 }