From 9c84a8162f700fc2eb35018389c12fcfedc02587 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Thu, 9 Feb 2012 01:17:59 +0000
Subject: If NPCModule.CreateNPC() fails to create the required ScenePresence
 (which should in theory never happen), don't add the NPC to the npc list but
 return UUID.Zero instead.

---
 OpenSim/Region/Framework/Interfaces/INPCModule.cs     |  2 +-
 OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs | 15 +++++++--------
 2 files changed, 8 insertions(+), 9 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/Framework/Interfaces/INPCModule.cs b/OpenSim/Region/Framework/Interfaces/INPCModule.cs
index 2731291..dc3ff89 100644
--- a/OpenSim/Region/Framework/Interfaces/INPCModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/INPCModule.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </param>
         /// <param name="scene"></param>
         /// <param name="appearance">The avatar appearance to use for the new NPC.</param>
-        /// <returns>The UUID of the ScenePresence created.</returns>
+        /// <returns>The UUID of the ScenePresence created.  UUID.Zero if there was a failure.</returns>
         UUID CreateNPC(
             string firstname,
             string lastname,
diff --git a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
index 8701431..dc6eefc 100644
--- a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
+++ b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
@@ -148,22 +148,21 @@ namespace OpenSim.Region.OptionalModules.World.NPC
                 ScenePresence sp;
                 if (scene.TryGetScenePresence(npcAvatar.AgentId, out sp))
                 {
-                    m_log.DebugFormat(
-                        "[NPC MODULE]: Successfully retrieved scene presence for NPC {0} {1}", sp.Name, sp.UUID);
+//                    m_log.DebugFormat(
+//                        "[NPC MODULE]: Successfully retrieved scene presence for NPC {0} {1}", sp.Name, sp.UUID);
 
                     sp.CompleteMovement(npcAvatar, false);
+                    m_avatars.Add(npcAvatar.AgentId, npcAvatar);
+                    m_log.DebugFormat("[NPC MODULE]: Created NPC with id {0}", npcAvatar.AgentId);
+
+                    return npcAvatar.AgentId;
                 }
                 else
                 {
                     m_log.WarnFormat("[NPC MODULE]: Could not find scene presence for NPC {0} {1}", sp.Name, sp.UUID);
+                    return UUID.Zero;
                 }
-
-                m_avatars.Add(npcAvatar.AgentId, npcAvatar);
             }
-
-            m_log.DebugFormat("[NPC MODULE]: Created NPC with id {0}", npcAvatar.AgentId);
-
-            return npcAvatar.AgentId;
         }
 
         public bool MoveToTarget(UUID agentID, Scene scene, Vector3 pos, bool noFly, bool landAtTarget)
-- 
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