From 24aedf52c6b903720f588694880e9613b115cc0c Mon Sep 17 00:00:00 2001
From: lbsa71
Date: Fri, 14 Mar 2008 15:28:34 +0000
Subject: * Added null root part guard * Normalized some UUID handling *
 Compacted a few Contains/Add into Set

---
 OpenSim/Region/Environment/Scenes/EntityBase.cs    |  2 +-
 OpenSim/Region/Environment/Scenes/InnerScene.cs    | 27 ++++++----------------
 .../Region/Environment/Scenes/SceneObjectGroup.cs  | 10 +++++++-
 .../Region/Environment/Scenes/SceneObjectPart.cs   |  1 +
 4 files changed, 18 insertions(+), 22 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/Environment/Scenes/EntityBase.cs b/OpenSim/Region/Environment/Scenes/EntityBase.cs
index 2a8c1e9..670ca13 100644
--- a/OpenSim/Region/Environment/Scenes/EntityBase.cs
+++ b/OpenSim/Region/Environment/Scenes/EntityBase.cs
@@ -46,7 +46,7 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_scene; }
         }
 
-        public LLUUID m_uuid;
+        protected LLUUID m_uuid;
 
         public virtual LLUUID UUID
         {
diff --git a/OpenSim/Region/Environment/Scenes/InnerScene.cs b/OpenSim/Region/Environment/Scenes/InnerScene.cs
index 053fc85..c75ca81 100644
--- a/OpenSim/Region/Environment/Scenes/InnerScene.cs
+++ b/OpenSim/Region/Environment/Scenes/InnerScene.cs
@@ -489,40 +489,27 @@ namespace OpenSim.Region.Environment.Scenes
             if (child)
             {
                 m_numChildAgents++;
-                m_log.Info("[SCENE]"+ m_regInfo.RegionName + ": Creating new child agent.");
+                m_log.Info("[SCENE]" + m_regInfo.RegionName + ": Creating new child agent.");
             }
             else
             {
                 m_numRootAgents++;
-                m_log.Info("[SCENE] "+ m_regInfo.RegionName + ": Creating new root agent.");
-                m_log.Info("[SCENE] "+ m_regInfo.RegionName + ": Adding Physical agent.");
+                m_log.Info("[SCENE] " + m_regInfo.RegionName + ": Creating new root agent.");
+                m_log.Info("[SCENE] " + m_regInfo.RegionName + ": Adding Physical agent.");
 
                 presence.AddToPhysicalScene();
             }
 
             lock (Entities)
             {
-                if (!Entities.ContainsKey(presence.m_uuid))
-                {
-                    Entities.Add(presence.m_uuid, presence);
-                }
-                else
-                {
-                    Entities[presence.m_uuid] = presence;
-                }
+                Entities[presence.UUID] = presence;
             }
+
             lock (ScenePresences)
             {
-                if (ScenePresences.ContainsKey(presence.m_uuid))
-                {
-                    ScenePresences[presence.m_uuid] = presence;
-                }
-                else
-                {
-                    ScenePresences.Add(presence.m_uuid, presence);
-                }
+                ScenePresences[presence.UUID] = presence;
             }
-        }        
+        }
 
         public void SwapRootChildAgent(bool direction_RC_CR_T_F)
         {
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index 47c4567..e295f87 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -123,7 +123,15 @@ namespace OpenSim.Region.Environment.Scenes
 
         public override LLVector3 AbsolutePosition
         {
-            get { return m_rootPart.GroupPosition; }
+            get
+            {
+                if( m_rootPart == null )
+                {
+                    throw new NullReferenceException(string.Format("Object {0} has no root part.", m_uuid));
+                }
+
+                return m_rootPart.GroupPosition;
+            }
             set
             {
                 LLVector3 val = value;
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index 5b3ea0f..060003e 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -270,6 +270,7 @@ namespace OpenSim.Region.Environment.Scenes
                     m_groupPosition.Y = PhysActor.Position.Y;
                     m_groupPosition.Z = PhysActor.Position.Z;
                 }
+
                 return m_groupPosition;
             }
             set
-- 
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