From d5dca5972d6582698dc49524f314611c5e12aa87 Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Tue, 12 Apr 2022 01:16:41 +0100
Subject: [PATCH] if osParcelSubdivide does match the entire original parcel,
 just do nothing

---
 .../World/Land/LandManagementModule.cs        | 11 +++++++++-
 .../CoreModules/World/Land/LandObject.cs      | 20 +++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index 612557d2f5..1186edb8cc 100755
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -1230,6 +1230,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             }
 
             //Loop through the points
+            int area = 0;
             try
             {
                 for (int y = start_y; y < end_y; y++)
@@ -1241,6 +1242,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                             return;
                         if (tempLandObject != startLandObject)
                             return;
+                        area++;
                     }
                 }
             }
@@ -1249,6 +1251,13 @@ namespace OpenSim.Region.CoreModules.World.Land
                 return;
             }
 
+            LandData startLandData = startLandObject.LandData;
+            if (area >= startLandData.Area)
+            {
+                // split is a replace, keep as is
+                return;
+            }
+
              //Lets create a new land object with bitmap activated at that point (keeping the old land objects info)
             ILandObject newLand = startLandObject.Copy();
             LandData newLandData = newLand.LandData;
@@ -1269,7 +1278,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             lock (m_landList)
             {
                 m_landList[startLandObjectIndex].SetLandBitmap(newLand.ModifyLandBitmapSquare(startLandObject.GetLandBitmap(), start_x, start_y, end_x, end_y, false));
-                m_landList[startLandObjectIndex].ForceUpdateLandInfo();
+                //m_landList[startLandObjectIndex].ForceUpdateLandInfo();
             }
 
             UpdateLandObject(startLandObject.LandData.LocalID, startLandObject.LandData);
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index afccac28bc..ceca14c49c 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -1153,6 +1153,26 @@ namespace OpenSim.Region.CoreModules.World.Land
                 }
             }
 
+            if(tempArea == 0)
+            {
+                m_centerPoint = Vector2.Zero;
+                m_endPoint = Vector2.Zero;
+                m_AABBmin = Vector2.Zero;
+                m_AABBmax = Vector2.Zero;
+
+                LandData.AABBMin = Vector3.Zero;
+                LandData.AABBMax = Vector3.Zero;
+                LandData.Area = 0;
+
+                if (m_scene != null)
+                {
+                    RegionInfo ri = m_scene.RegionInfo;
+                    //create a fake ID
+                    LandData.FakeID = Util.BuildFakeParcelID(ri.RegionHandle, 0, 0);
+                }
+                return;
+            }
+
             int halfunit = landUnit/2;
 
             m_centerPoint.X = avgx * landUnit + halfunit;