OpenSim.Region.ScriptEngine.Shared.Api.OSSL_Api.osMessageAttachments C# (CSharp) Method

        public void osMessageAttachments(LSL_Key avatar, string message, LSL_List attachmentPoints, int options)
        {
            CheckThreatLevel(ThreatLevel.Moderate, "osMessageAttachments");
            m_host.AddScriptLPS(1);

            UUID targetUUID;
            if(!UUID.TryParse(avatar.ToString(), out targetUUID))
                return;
            
            if(targetUUID == UUID.Zero)
                return;
            
            ScenePresence target;
            if(!World.TryGetScenePresence(targetUUID, out target))
               return;

            if(target.IsDeleted || target.IsInTransit)
               return;

            List<int> aps = new List<int>();
            if(attachmentPoints.Length != 0)
            {
                foreach (object point in attachmentPoints.Data)
                {
                    int ipoint;
                    if (int.TryParse(point.ToString(), out ipoint))
                    {
                        aps.Add(ipoint);
                    }
                }
                // parsing failed
                if(aps.Count != attachmentPoints.Length)
                    return;
            }

            List<SceneObjectGroup> attachments = new List<SceneObjectGroup>();

            bool msgAll;
            bool invertPoints = (options & ScriptBaseClass.OS_ATTACH_MSG_INVERT_POINTS) != 0;

            if(aps.Count == 0)
            {
                if(!invertPoints)
                    return;
                msgAll = true;
                invertPoints = false;
            }
            else
                msgAll = aps.Contains(ScriptBaseClass.OS_ATTACH_MSG_ALL);

            if (msgAll && invertPoints)
                return;

            if (msgAll || invertPoints)
            {
                attachments = target.GetAttachments();
            }
            else
            {
                foreach (int point in aps)
                {
                    if (point > 0)
                    {
                        attachments.AddRange(target.GetAttachments((uint)point));
                    }
                }
            }

            // if we have no attachments at this point, exit now
            if (attachments.Count == 0)
            {
                return;
            }

            bool optionObjCreator = (options & 
                        ScriptBaseClass.OS_ATTACH_MSG_OBJECT_CREATOR) != 0;
            bool optionScriptCreator = (options &
                        ScriptBaseClass.OS_ATTACH_MSG_SCRIPT_CREATOR) != 0;

            UUID hostCreatorID = m_host.CreatorID;
            UUID itemCreatorID = m_item.CreatorID;

            foreach (SceneObjectGroup sog in attachments)
            {
                if(sog.IsDeleted || sog.inTransit)
                    continue;

                if (invertPoints && aps.Contains((int)sog.AttachmentPoint))
                    continue;

                UUID CreatorID = sog.RootPart.CreatorID;
                if (optionObjCreator && CreatorID != hostCreatorID)
                    continue;

                if (optionScriptCreator && CreatorID != itemCreatorID)
                    continue;

                SceneObjectPart[] parts = sog.Parts;
                foreach(SceneObjectPart p in parts)
                    MessageObject(p.UUID, message);
            }
        }