357 lines
14 KiB
C#
357 lines
14 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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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 System.Reflection;
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using log4net;
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using Nini.Config;
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using Mono.Addins;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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namespace OpenSim.Region.CoreModules.Avatar.Chat
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "ChatModule")]
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public class ChatModule : ISharedRegionModule
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private const int DEBUG_CHANNEL = 2147483647;
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private bool m_enabled = true;
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private int m_saydistance = 20;
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private int m_shoutdistance = 100;
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private int m_whisperdistance = 10;
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internal object m_syncy = new object();
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internal IConfig m_config;
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#region ISharedRegionModule Members
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public virtual void Initialise(IConfigSource config)
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{
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m_config = config.Configs["Chat"];
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if (null == m_config)
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{
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m_log.Info("[CHAT]: no config found, plugin disabled");
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m_enabled = false;
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return;
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}
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if (!m_config.GetBoolean("enabled", true))
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{
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m_log.Info("[CHAT]: plugin disabled by configuration");
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m_enabled = false;
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return;
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}
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m_whisperdistance = config.Configs["Chat"].GetInt("whisper_distance", m_whisperdistance);
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m_saydistance = config.Configs["Chat"].GetInt("say_distance", m_saydistance);
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m_shoutdistance = config.Configs["Chat"].GetInt("shout_distance", m_shoutdistance);
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}
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public virtual void AddRegion(Scene scene)
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{
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if (!m_enabled)
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return;
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scene.EventManager.OnNewClient += OnNewClient;
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scene.EventManager.OnChatFromWorld += OnChatFromWorld;
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scene.EventManager.OnChatBroadcast += OnChatBroadcast;
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m_log.InfoFormat("[CHAT]: Initialized for {0} w:{1} s:{2} S:{3}", scene.RegionInfo.RegionName,
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m_whisperdistance, m_saydistance, m_shoutdistance);
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}
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public virtual void RegionLoaded(Scene scene)
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{
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}
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public virtual void RemoveRegion(Scene scene)
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{
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if (!m_enabled)
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return;
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scene.EventManager.OnNewClient -= OnNewClient;
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scene.EventManager.OnChatFromWorld -= OnChatFromWorld;
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scene.EventManager.OnChatBroadcast -= OnChatBroadcast;
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}
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public virtual void Close()
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{
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}
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public virtual void PostInitialise()
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{
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}
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public Type ReplaceableInterface
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{
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get { return null; }
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}
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public virtual string Name
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{
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get { return "ChatModule"; }
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}
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#endregion
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public virtual void OnNewClient(IClientAPI client)
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{
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client.OnChatFromClient += OnChatFromClient;
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}
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protected OSChatMessage FixPositionOfChatMessage(OSChatMessage c)
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{
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ScenePresence avatar;
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Scene scene = (Scene)c.Scene;
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if ((avatar = scene.GetScenePresence(c.Sender.AgentId)) != null)
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c.Position = avatar.AbsolutePosition;
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return c;
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}
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public virtual void OnChatFromClient(Object sender, OSChatMessage c)
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{
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c = FixPositionOfChatMessage(c);
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// redistribute to interested subscribers
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Scene scene = (Scene)c.Scene;
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scene.EventManager.TriggerOnChatFromClient(sender, c);
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// early return if not on public or debug channel
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if (c.Channel != 0 && c.Channel != DEBUG_CHANNEL) return;
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// sanity check:
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if (c.Sender == null)
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{
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m_log.ErrorFormat("[CHAT]: OnChatFromClient from {0} has empty Sender field!", sender);
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return;
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}
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DeliverChatToAvatars(ChatSourceType.Agent, c);
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}
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public virtual void OnChatFromWorld(Object sender, OSChatMessage c)
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{
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// early return if not on public or debug channel
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if (c.Channel != 0 && c.Channel != DEBUG_CHANNEL) return;
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DeliverChatToAvatars(ChatSourceType.Object, c);
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}
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protected virtual void DeliverChatToAvatars(ChatSourceType sourceType, OSChatMessage c)
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{
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string fromName = c.From;
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UUID fromID = UUID.Zero;
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UUID ownerID = UUID.Zero;
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UUID targetID = c.TargetUUID;
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string message = c.Message;
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Scene scene = (Scene)c.Scene;
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Vector3 fromPos = c.Position;
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Vector3 regionPos = new Vector3(scene.RegionInfo.RegionLocX * Constants.RegionSize,
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scene.RegionInfo.RegionLocY * Constants.RegionSize, 0);
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if (c.Channel == DEBUG_CHANNEL) c.Type = ChatTypeEnum.DebugChannel;
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switch (sourceType)
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{
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case ChatSourceType.Agent:
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ScenePresence avatar = scene.GetScenePresence(c.Sender.AgentId);
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fromPos = avatar.AbsolutePosition;
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fromName = avatar.Name;
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fromID = c.Sender.AgentId;
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ownerID = c.Sender.AgentId;
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break;
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case ChatSourceType.Object:
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fromID = c.SenderUUID;
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if (c.SenderObject != null && c.SenderObject is SceneObjectPart)
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ownerID = ((SceneObjectPart)c.SenderObject).OwnerID;
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break;
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}
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// TODO: iterate over message
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if (message.Length >= 1000) // libomv limit
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message = message.Substring(0, 1000);
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// m_log.DebugFormat(
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// "[CHAT]: DCTA: fromID {0} fromName {1}, region{2}, cType {3}, sType {4}, targetID {5}",
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// fromID, fromName, scene.RegionInfo.RegionName, c.Type, sourceType, targetID);
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HashSet<UUID> receiverIDs = new HashSet<UUID>();
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if (targetID == UUID.Zero)
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{
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// This should use ForEachClient, but clients don't have a position.
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// If camera is moved into client, then camera position can be used
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scene.ForEachScenePresence(
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delegate(ScenePresence presence)
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{
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if (TrySendChatMessage(
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presence, fromPos, regionPos, fromID, ownerID, fromName, c.Type, message, sourceType, false))
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receiverIDs.Add(presence.UUID);
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}
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);
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}
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else
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{
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// This is a send to a specific client eg from llRegionSayTo
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// no need to check distance etc, jand send is as say
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ScenePresence presence = scene.GetScenePresence(targetID);
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if (presence != null && !presence.IsChildAgent)
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{
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if (TrySendChatMessage(
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presence, fromPos, regionPos, fromID, ownerID, fromName, ChatTypeEnum.Say, message, sourceType, true))
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receiverIDs.Add(presence.UUID);
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}
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}
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scene.EventManager.TriggerOnChatToClients(
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fromID, receiverIDs, message, c.Type, fromPos, fromName, sourceType, ChatAudibleLevel.Fully);
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}
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static private Vector3 CenterOfRegion = new Vector3(128, 128, 30);
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public virtual void OnChatBroadcast(Object sender, OSChatMessage c)
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{
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if (c.Channel != 0 && c.Channel != DEBUG_CHANNEL) return;
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ChatTypeEnum cType = c.Type;
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if (c.Channel == DEBUG_CHANNEL)
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cType = ChatTypeEnum.DebugChannel;
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if (cType == ChatTypeEnum.Region)
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cType = ChatTypeEnum.Say;
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if (c.Message.Length > 1100)
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c.Message = c.Message.Substring(0, 1000);
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// broadcast chat works by redistributing every incoming chat
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// message to each avatar in the scene.
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string fromName = c.From;
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UUID fromID = UUID.Zero;
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ChatSourceType sourceType = ChatSourceType.Object;
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if (null != c.Sender)
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{
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ScenePresence avatar = (c.Scene as Scene).GetScenePresence(c.Sender.AgentId);
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fromID = c.Sender.AgentId;
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fromName = avatar.Name;
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sourceType = ChatSourceType.Agent;
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}
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else if (c.SenderUUID != UUID.Zero)
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{
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fromID = c.SenderUUID;
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}
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// m_log.DebugFormat("[CHAT] Broadcast: fromID {0} fromName {1}, cType {2}, sType {3}", fromID, fromName, cType, sourceType);
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HashSet<UUID> receiverIDs = new HashSet<UUID>();
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((Scene)c.Scene).ForEachRootClient(
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delegate(IClientAPI client)
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{
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// don't forward SayOwner chat from objects to
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// non-owner agents
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if ((c.Type == ChatTypeEnum.Owner) &&
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(null != c.SenderObject) &&
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(((SceneObjectPart)c.SenderObject).OwnerID != client.AgentId))
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return;
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client.SendChatMessage(
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c.Message, (byte)cType, CenterOfRegion, fromName, fromID, fromID,
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(byte)sourceType, (byte)ChatAudibleLevel.Fully);
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receiverIDs.Add(client.AgentId);
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});
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(c.Scene as Scene).EventManager.TriggerOnChatToClients(
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fromID, receiverIDs, c.Message, cType, CenterOfRegion, fromName, sourceType, ChatAudibleLevel.Fully);
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}
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/// <summary>
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/// Try to send a message to the given presence
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/// </summary>
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/// <param name="presence">The receiver</param>
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/// <param name="fromPos"></param>
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/// <param name="regionPos">/param>
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/// <param name="fromAgentID"></param>
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/// <param name='ownerID'>
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/// Owner of the message. For at least some messages from objects, this has to be correctly filled with the owner's UUID.
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/// This is the case for script error messages in viewer 3 since LLViewer change EXT-7762
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/// </param>
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/// <param name="fromName"></param>
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/// <param name="type"></param>
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/// <param name="message"></param>
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/// <param name="src"></param>
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/// <returns>true if the message was sent to the receiver, false if it was not sent due to failing a
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/// precondition</returns>
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protected virtual bool TrySendChatMessage(
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ScenePresence presence, Vector3 fromPos, Vector3 regionPos,
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UUID fromAgentID, UUID ownerID, string fromName, ChatTypeEnum type,
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string message, ChatSourceType src, bool ignoreDistance)
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{
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if (presence.LifecycleState != ScenePresenceState.Running)
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return false;
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if (!ignoreDistance)
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{
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Vector3 fromRegionPos = fromPos + regionPos;
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Vector3 toRegionPos = presence.AbsolutePosition +
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new Vector3(presence.Scene.RegionInfo.RegionLocX * Constants.RegionSize,
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presence.Scene.RegionInfo.RegionLocY * Constants.RegionSize, 0);
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int dis = (int)Util.GetDistanceTo(toRegionPos, fromRegionPos);
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if (type == ChatTypeEnum.Whisper && dis > m_whisperdistance ||
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type == ChatTypeEnum.Say && dis > m_saydistance ||
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type == ChatTypeEnum.Shout && dis > m_shoutdistance)
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{
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return false;
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}
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}
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// TODO: should change so the message is sent through the avatar rather than direct to the ClientView
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presence.ControllingClient.SendChatMessage(
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message, (byte) type, fromPos, fromName,
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fromAgentID, ownerID, (byte)src, (byte)ChatAudibleLevel.Fully);
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return true;
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}
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}
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} |