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

        private LSL_Key NpcCreate(
            string firstname, string lastname, LSL_Vector position, string notecard, bool owned, bool senseAsAgent, bool hostGroupID)
        {
            if (!World.Permissions.CanRezObject(1, m_host.OwnerID, new Vector3((float)position.x, (float)position.y, (float)position.z)))
            {
                OSSLError("no permission to rez NPC at requested location");
                return new LSL_Key(UUID.Zero.ToString());
            }

            INPCModule module = World.RequestModuleInterface<INPCModule>();
            if(module == null)
            {
                OSSLError("NPC module not enabled");
                return new LSL_Key(UUID.Zero.ToString());
            }

            string groupTitle = String.Empty;
            UUID groupID = UUID.Zero;

            AvatarAppearance appearance = null;

            // check creation options
            NPCOptionsFlags createFlags = module.NPCOptionFlags;

            if((createFlags & NPCOptionsFlags.AllowNotOwned) == 0 && !owned)
            {
                OSSLError("Not owned NPCs disabled");
                owned = true; // we should get here...
            }

            if((createFlags & NPCOptionsFlags.AllowSenseAsAvatar) == 0 && senseAsAgent)
            {
                OSSLError("NPC allow sense as Avatar disabled");
                senseAsAgent = false;
            }

            if(hostGroupID && m_host.GroupID != UUID.Zero)
            {
                IGroupsModule groupsModule = m_ScriptEngine.World.RequestModuleInterface<IGroupsModule>();
                if (groupsModule != null)
                {
                    GroupMembershipData member = groupsModule.GetMembershipData(m_host.GroupID, m_host.OwnerID);
                    if (member == null)
                    {
                        OSSLError(string.Format("osNpcCreate: the object owner is not member of the object group"));
                        return new LSL_Key(UUID.Zero.ToString());
                    }

                    groupID = m_host.GroupID;

                    if((createFlags & NPCOptionsFlags.NoNPCGroup) != 0)
                    {
                        GroupRecord grprec = groupsModule.GetGroupRecord(m_host.GroupID);
                        if(grprec != null && grprec.GroupName != "")
                            groupTitle = grprec.GroupName;
                    }
                }
            }

            if((createFlags & NPCOptionsFlags.NoNPCGroup) == 0)
            {
                if (firstname != String.Empty || lastname != String.Empty)
                {
                    if (firstname != "Shown outfit:")
                        groupTitle = "- NPC -";
                }
            }
               
            if((createFlags & NPCOptionsFlags.AllowCloneOtherAvatars) != 0)
            {
                UUID id;
                if (UUID.TryParse(notecard, out id))
                {
                    ScenePresence clonePresence = World.GetScenePresence(id);
                    if (clonePresence != null)
                        appearance = clonePresence.Appearance;
                }
            }

            if (appearance == null)
            {
                string appearanceSerialized = LoadNotecard(notecard);

                if (appearanceSerialized != null)
                {
                    try
                    {
                        OSDMap appearanceOsd = (OSDMap)OSDParser.DeserializeLLSDXml(appearanceSerialized);
                        appearance = new AvatarAppearance();
                        appearance.Unpack(appearanceOsd);
                    }
                    catch
                    {
                        OSSLError(string.Format("osNpcCreate: Error processing notcard '{0}'", notecard));
                        return new LSL_Key(UUID.Zero.ToString());
                    }
                }
            else
                {
                    OSSLError(string.Format("osNpcCreate: Notecard reference '{0}' not found.", notecard));
                }
            }

            UUID ownerID = UUID.Zero;
            if (owned)
                ownerID = m_host.OwnerID;
            UUID x = module.CreateNPC(firstname,
                                      lastname,
                                      position,
                                      UUID.Random(),
                                      ownerID,
                                      groupTitle,
                                      groupID,
                                      senseAsAgent,
                                      World,
                                      appearance);

            ScenePresence sp;
            if (World.TryGetScenePresence(x, out sp))
            {
                sp.SendAvatarDataToAllAgents();
            }
            return new LSL_Key(x.ToString());
        }