From 4cb8d6379ddb39cfb8b30a63475e154a00a78110 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Wed, 10 Aug 2011 00:59:31 +0100
Subject: Stop trying to deregister caps or close child agents when an NPC is
 removed

---
 OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs |  2 +-
 OpenSim/Region/Framework/Scenes/Scene.cs              | 15 +++++++--------
 OpenSim/Region/Framework/Scenes/SceneBase.cs          | 12 +-----------
 OpenSim/Region/Framework/Scenes/ScenePresence.cs      |  6 +++---
 OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs |  2 +-
 5 files changed, 13 insertions(+), 24 deletions(-)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 46d7f78..977918a 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -512,7 +512,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_udpServer.Flush(m_udpClient);
 
             // Remove ourselves from the scene
-            m_scene.RemoveClient(AgentId);
+            m_scene.RemoveClient(AgentId, true);
 
             // We can't reach into other scenes and close the connection
             // We need to do this over grid communications
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index b3b6cbc..9aa9bf5 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3091,11 +3091,7 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        /// <summary>
-        /// Remove the given client from the scene.
-        /// </summary>
-        /// <param name="agentID"></param>
-        public override void RemoveClient(UUID agentID)
+        public override void RemoveClient(UUID agentID, bool closeChildAgents)
         {
             CheckHeartbeat();
             bool childagentYN = false;
@@ -3116,15 +3112,17 @@ namespace OpenSim.Region.Framework.Scenes
                         (childagentYN ? "child" : "root"), agentID, RegionInfo.RegionName);
 
                     m_sceneGraph.removeUserCount(!childagentYN);
-                    
-                    if (CapsModule != null)
+
+                    // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
+                    // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
+                    if (closeChildAgents && CapsModule != null)
                         CapsModule.RemoveCaps(agentID);
 
                     // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
                     // this method is doing is HORRIBLE!!!
                     avatar.Scene.NeedSceneCacheClear(avatar.UUID);
 
-                    if (!avatar.IsChildAgent)
+                    if (closeChildAgents && !avatar.IsChildAgent)
                     {
                         //List<ulong> childknownRegions = new List<ulong>();
                         //List<ulong> ckn = avatar.KnownChildRegionHandles;
@@ -3136,6 +3134,7 @@ namespace OpenSim.Region.Framework.Scenes
                         regions.Remove(RegionInfo.RegionHandle);
                         m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
                     }
+
                     m_eventManager.TriggerClientClosed(agentID, this);
                 }
                 catch (NullReferenceException)
diff --git a/OpenSim/Region/Framework/Scenes/SceneBase.cs b/OpenSim/Region/Framework/Scenes/SceneBase.cs
index c4547f2..2f1cdc1 100644
--- a/OpenSim/Region/Framework/Scenes/SceneBase.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneBase.cs
@@ -175,18 +175,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Add/Remove Agent/Avatar
 
-        /// <summary>
-        /// Register the new client with the scene.  The client starts off as a child agent - the later agent crossing
-        /// will promote it to a root agent during login.
-        /// </summary>
-        /// <param name="client"></param
         public abstract void AddNewClient(IClientAPI client);
-
-        /// <summary>
-        /// Remove a client from the scene
-        /// </summary>
-        /// <param name="agentID"></param>
-        public abstract void RemoveClient(UUID agentID);
+        public abstract void RemoveClient(UUID agentID, bool closeChildAgents);
 
         public bool TryGetScenePresence(UUID agentID, out object scenePresence)
         {
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index af28dd9..2db83eb 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -1146,12 +1146,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// Complete Avatar's movement into the region.
         /// </summary>
         /// <param name="client"></param>
-        /// <param name="enableNeighbourChildAgents">
+        /// <param name="openChildAgents">
         /// If true, send notification to neighbour regions to expect
         /// a child agent from the client.  These neighbours can be some distance away, depending right now on the
         /// configuration of DefaultDrawDistance in the [Startup] section of config
         /// </param>
-        public void CompleteMovement(IClientAPI client, bool enableNeighbourChildAgents)
+        public void CompleteMovement(IClientAPI client, bool openChildAgents)
         {
 //            DateTime startTime = DateTime.Now;
             
@@ -1192,7 +1192,7 @@ namespace OpenSim.Region.Framework.Scenes
             SendInitialData();
 
             // Create child agents in neighbouring regions
-            if (enableNeighbourChildAgents && !m_isChildAgent)
+            if (openChildAgents && !m_isChildAgent)
             {
                 IEntityTransferModule m_agentTransfer = m_scene.RequestModuleInterface<IEntityTransferModule>();
                 if (m_agentTransfer != null)
diff --git a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
index 87cb322..7b9457a 100644
--- a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
+++ b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
@@ -278,7 +278,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 if (m_avatars.ContainsKey(agentID))
                 {
-                    scene.RemoveClient(agentID);
+                    scene.RemoveClient(agentID, false);
                     m_avatars.Remove(agentID);
 
                     return true;
-- 
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