From 156707edfb88b9ddf679751f8f6d8128b2abd7be Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Sun, 14 May 2017 06:27:29 +0100
Subject: clear land object on delete

---
 OpenSim/Framework/ILandObject.cs                             |  2 ++
 .../Region/CoreModules/World/Land/LandManagementModule.cs    |  6 +++++-
 OpenSim/Region/CoreModules/World/Land/LandObject.cs          | 12 ++++++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/ILandObject.cs b/OpenSim/Framework/ILandObject.cs
index f3b850d..a783256 100644
--- a/OpenSim/Framework/ILandObject.cs
+++ b/OpenSim/Framework/ILandObject.cs
@@ -189,5 +189,7 @@ namespace OpenSim.Framework
         /// </summary>
         /// <returns>The music url.</returns>
         string GetMusicUrl();
+
+        void Clear();
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index 6f32a77..057e204 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -274,6 +274,9 @@ namespace OpenSim.Region.CoreModules.World.Land
             //Remove all the land objects in the sim and add a blank, full sim land object set to public
             lock (m_landList)
             {
+                foreach(ILandObject parcel in m_landList.Values)
+                    parcel.Clear();
+
                 m_landList.Clear();
                 m_landUUIDList.Clear();
                 m_lastLandLocalID = LandChannel.START_LAND_LOCAL_ID - 1;
@@ -696,6 +699,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                 m_landList.Remove(local_id);
                 if(land.LandData != null)
                     m_landUUIDList.Remove(land.LandData.GlobalID);
+                land.Clear();
             }
 
             m_scene.EventManager.TriggerLandObjectRemoved(land.LandData.GlobalID);
@@ -746,7 +750,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                     }
                 }
             }
-
+            master.LandData.Dwell += slave.LandData.Dwell;
             removeLandObject(slave.LandData.LocalID);
             UpdateLandObject(master.LandData.LocalID, master.LandData);
         }
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index ccb85f6..b534a2b 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -269,6 +269,7 @@ namespace OpenSim.Region.CoreModules.World.Land
         {
             LandData = landData.Copy();
             m_scene = scene;
+            m_scene.EventManager.OnFrame += OnFrame;
             m_dwellModule = m_scene.RequestModuleInterface<IDwellModule>();
         }
 
@@ -296,9 +297,20 @@ namespace OpenSim.Region.CoreModules.World.Land
             
             LandData.IsGroupOwned = is_group_owned;
 
+            if(m_dwellModule == null)
+                LandData.Dwell = 0;
+
             m_scene.EventManager.OnFrame += OnFrame;
         }
 
+        public void Clear()
+        {
+            if(m_scene != null)
+                 m_scene.EventManager.OnFrame -= OnFrame;
+            LandData = null;     
+        }
+
+
         #endregion
 
         #region Member Functions
-- 
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