From e3a22ff37da47405d2ad2a656970f501e1a7673c Mon Sep 17 00:00:00 2001
From: Melanie <melanie@t-data.com>
Date: Sun, 6 Dec 2009 00:02:24 +0000
Subject: [PATCH] Eliminate multiple updates on link/unlink

---
 OpenSim/Region/Framework/Scenes/SceneGraph.cs             | 2 ++
 OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs       | 8 ++++----
 .../ScriptEngine/Shared/Api/Implementation/LSL_Api.cs     | 8 ++++++++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 2fdb48dd89..d87e81441b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -1593,6 +1593,8 @@ namespace OpenSim.Region.Framework.Scenes
             // occur on link to invoke this elsewhere (such as object selection)
             parentGroup.RootPart.AddFlag(PrimFlags.CreateSelected);
             parentGroup.TriggerScriptChangedEvent(Changed.LINK);
+            parentGroup.HasGroupChanged = true;
+            parentGroup.ScheduleGroupForFullUpdate();
             
             if (client != null)
             {
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 6badaf5d0d..6170caa3c5 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2207,8 +2207,8 @@ namespace OpenSim.Region.Framework.Scenes
             // unmoved prims!
             ResetChildPrimPhysicsPositions();
 
-            HasGroupChanged = true;
-            ScheduleGroupForFullUpdate();
+            //HasGroupChanged = true;
+            //ScheduleGroupForFullUpdate();
         }
 
         /// <summary>
@@ -2299,8 +2299,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             linkPart.Rezzed = RootPart.Rezzed;
 
-            HasGroupChanged = true;
-            ScheduleGroupForFullUpdate();
+            //HasGroupChanged = true;
+            //ScheduleGroupForFullUpdate();
         }
 
         /// <summary>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index d235bacb23..9a905f1825 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3523,6 +3523,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     parentPrim.DelinkFromGroup(part.LocalId, true);
                 }
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
 
                 if (parts.Count > 0)
@@ -3534,6 +3536,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         part.UpdateFlag = 0;
                         newRoot.ParentGroup.LinkToGroup(part.ParentGroup);
                     }
+                    newRoot.ParentGroup.HasGroupChanged = true;
+                    newRoot.ParentGroup.ScheduleGroupForFullUpdate();
                 }
             }
             else
@@ -3542,6 +3546,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 parentPrim.DelinkFromGroup(childPrim.LocalId, true);
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
         }
@@ -3561,6 +3567,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 parentPrim.DelinkFromGroup(part.LocalId, true);
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
+            parentPrim.HasGroupChanged = true;
+            parentPrim.ScheduleGroupForFullUpdate();
         }
 
         public LSL_String llGetLinkKey(int linknum)