248 lines
7.9 KiB
C#
248 lines
7.9 KiB
C#
/*
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* Copyright (c) Contributors, https://github.com/jonc/osboids
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Framework.Console;
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using OpenSim.Region.Framework.Interfaces;
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namespace Flocking
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{
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public delegate void BoidCmdDelegate (string module,string[] args);
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public class BoidCmdDefn
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{
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public string Help = "";
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public string Args = "";
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public int NumParams = 0;
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string m_name;
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public BoidCmdDefn (string name, string args, string help)
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{
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Help = help;
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Args = args;
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m_name = name;
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if (args.Trim ().Length > 0) {
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NumParams = args.Split (",".ToCharArray ()).Length;
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} else {
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NumParams = 0;
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}
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}
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public string GetSyntax ()
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{
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return m_name + " " + Args + " (" + Help + ")";
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}
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}
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public class FlockingCommandParser
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{
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private static readonly ILog m_log = LogManager.GetLogger (System.Reflection.MethodBase.GetCurrentMethod ().DeclaringType);
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private IRegionModuleBase m_module;
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private Scene m_scene;
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private int m_chatChannel;
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private UUID m_owner;
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private Dictionary<string, BoidCmdDelegate> m_commandMap = new Dictionary<string, BoidCmdDelegate> ();
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private Dictionary<string, BoidCmdDefn> m_syntaxMap = new Dictionary<string, BoidCmdDefn> ();
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public FlockingCommandParser (IRegionModuleBase module, Scene scene, int channel)
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{
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m_module = module;
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m_scene = scene;
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m_chatChannel = channel;
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// who do we respond to in send messages
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m_owner = scene.RegionInfo.EstateSettings.EstateOwner;
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// register our event handlers
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m_scene.EventManager.OnChatFromClient += ProcessChatCommand; //listen for commands sent from the client
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IScriptModuleComms commsMod = scene.RequestModuleInterface<IScriptModuleComms>();
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commsMod.OnScriptCommand += ProcessScriptCommand;
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}
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public void Deregister ()
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{
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m_scene.EventManager.OnChatFromClient -= ProcessChatCommand;
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IScriptModuleComms commsMod = m_scene.RequestModuleInterface<IScriptModuleComms>();
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commsMod.OnScriptCommand -= ProcessScriptCommand;
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}
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public void AddCommand (string cmd, string args, string help, CommandDelegate fn)
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{
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string argStr = "";
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if (args.Trim ().Length > 0) {
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argStr = " <" + args + "> ";
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}
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m_commandMap.Add (cmd, new BoidCmdDelegate (fn));
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m_syntaxMap.Add (cmd, new BoidCmdDefn (cmd, args, help));
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// register this command with the console
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m_scene.AddCommand (m_module, "flock-" + cmd, "flock-" + cmd + argStr, help, fn);
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}
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#region handlers
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public void ProcessScriptCommand (UUID scriptId, string reqId, string module, string input, string key)
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{
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if (m_module.Name != module) {
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return;
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}
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string[] tokens = (input+"|<script>").Split ( new char[] { '|' }, StringSplitOptions.None);
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string command = tokens [0];
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m_log.Debug("Input was " + input + ", command is " + command);
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BoidCmdDefn defn = null;
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if (m_syntaxMap.TryGetValue (command, out defn)) {
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if (CorrectSignature (tokens, defn)) {
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// we got the signature of the command right
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BoidCmdDelegate del = null;
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if (m_commandMap.TryGetValue (command, out del)) {
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m_log.Info("command ok - executing");
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del (module, tokens);
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} else {
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// we don't understand this command
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// shouldn't happen
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m_log.ErrorFormat ("Unable to invoke command {0}", command);
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}
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} else {
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m_log.Error(" signature wrong for " + command);
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}
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} else {
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m_log.Error("no command for " + command);
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}
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}
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void RespondToScript (UUID scriptId, int msgNum, string response)
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{
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IScriptModuleComms commsMod = m_scene.RequestModuleInterface<IScriptModuleComms>();
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if( commsMod != null ) {
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commsMod.DispatchReply (scriptId, msgNum, response, "");
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} else {
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Console.WriteLine("No script comms");
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}
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}
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public void ProcessChatCommand (Object x, OSChatMessage msg)
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{
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if (m_scene.ConsoleScene () != m_scene || msg.Channel != m_chatChannel)
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return; // not for us
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// try and parse a valid cmd from this msg
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string cmd = msg.Message.ToLower ();
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//stick ui in the args so we know to respond in world
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//bit of a hack - but lets us use CommandDelegate inWorld
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string[] args = (cmd + " <ui>").Split (" ".ToCharArray ());
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BoidCmdDefn defn = null;
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if (m_syntaxMap.TryGetValue (args [0], out defn)) {
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if (CorrectSignature (args, defn)) {
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// we got the signature of the command right
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BoidCmdDelegate del = null;
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if (m_commandMap.TryGetValue (args [0], out del)) {
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del (m_module.Name, args);
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} else {
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// we don't understand this command
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// shouldn't happen
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m_log.ErrorFormat ("Unable to invoke command {0}", args [0]);
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RespondToChat (msg, "Unable to invoke command " + args [0]);
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}
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} else {
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// we recognise the command, but we got the call wrong
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RespondToChat (msg, "wrong syntax: " + defn.GetSyntax ());
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}
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} else {
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// this is not a command we recognise
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RespondToChat (msg, args [0] + " is not a valid command for osboids");
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}
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}
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public void RespondToChat (OSChatMessage msg, string message)
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{
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m_log.Debug ("sending response -> " + message);
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IClientAPI sender = msg.Sender;
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sender.SendChatMessage (message, (byte)ChatTypeEnum.Say, msg.Position, "osboids", msg.SenderUUID, (byte)ChatSourceType.Agent, (byte)ChatAudibleLevel.Fully);
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}
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#endregion
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private bool CorrectSignature (string[] args, BoidCmdDefn defn)
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{
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// args contain cmd name at 0 and <ui> tagged in last pos
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return args.Length - 2 == defn.NumParams;
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}
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public void ShowResponse (string response, string [] cmd)
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{
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bool inWorld = IsInWorldCmd (cmd);
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if (inWorld) {
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ScenePresence owner = m_scene.GetScenePresence(m_owner);
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SendMessage(owner, response);
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} else {
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MainConsole.Instance.Output (response);
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}
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}
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private bool IsInWorldCmd (string [] args)
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{
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bool retVal = false;
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if (args.Length > 0 && args [args.Length - 1].Equals ("<ui>")) {
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retVal = true;
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}
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return retVal;
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}
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public void SendMessage (ScenePresence recipient, string message)
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{
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IClientAPI ownerAPI = recipient.ControllingClient;
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ownerAPI.SendChatMessage (message,
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(byte)ChatTypeEnum.Say,
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recipient.AbsolutePosition,
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"osboids",
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recipient.UUID,
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(byte)ChatSourceType.Agent,
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(byte)ChatAudibleLevel.Fully
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);
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}
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}
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}
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