OpenSim.Region.ScriptEngine.Shared.Api.LSL_Api.BreakLink C# (CSharp) Method

        public void BreakLink(int linknum)
        {
            if (linknum < ScriptBaseClass.LINK_THIS)
                return;

            SceneObjectGroup parentPrim = m_host.ParentGroup;

            if (parentPrim.AttachmentPoint != 0)
                return; // Fail silently if attached
            SceneObjectPart childPrim = null;

            switch (linknum)
            {
                case ScriptBaseClass.LINK_ROOT:
                    break;
                case ScriptBaseClass.LINK_SET:
                case ScriptBaseClass.LINK_ALL_OTHERS:
                case ScriptBaseClass.LINK_ALL_CHILDREN:
                case ScriptBaseClass.LINK_THIS:
                    foreach (SceneObjectPart part in parentPrim.Parts)
                    {
                        if (part.UUID != m_host.UUID)
                        {
                            childPrim = part;
                            break;
                        }
                    }
                    break;
                default:
                    childPrim = parentPrim.GetLinkNumPart(linknum);
                    if (childPrim.UUID == m_host.UUID)
                        childPrim = null;
                    break;
            }

            if (linknum == ScriptBaseClass.LINK_ROOT)
            {
                // Restructuring Multiple Prims.
                List<SceneObjectPart> parts = new List<SceneObjectPart>(parentPrim.Parts);
                parts.Remove(parentPrim.RootPart);
                if (parts.Count > 0)
                {
                    try
                    {
                        foreach (SceneObjectPart part in parts)
                        {
                            parentPrim.DelinkFromGroup(part.LocalId, true);
                        }
                    }
                    finally { }
                 }

                parentPrim.HasGroupChanged = true;
                parentPrim.ScheduleGroupForFullUpdate();
                parentPrim.TriggerScriptChangedEvent(Changed.LINK);

                if (parts.Count > 0)
                {
                    SceneObjectPart newRoot = parts[0];
                    parts.Remove(newRoot);

                    try
                    {
                        foreach (SceneObjectPart part in parts)
                        {
                            part.ClearUpdateSchedule();
                            newRoot.ParentGroup.LinkToGroup(part.ParentGroup);
                        }
                    }
                    finally { }
                    
                    newRoot.ParentGroup.HasGroupChanged = true;
                    newRoot.ParentGroup.ScheduleGroupForFullUpdate();
                }
            }
            else
            {
                if (childPrim == null)
                    return;

                parentPrim.DelinkFromGroup(childPrim.LocalId, true);
                parentPrim.HasGroupChanged = true;
                parentPrim.ScheduleGroupForFullUpdate();
                parentPrim.TriggerScriptChangedEvent(Changed.LINK);
            }
        }