From e15fca60d1efcfe32e795e3494e35bdae26111e2 Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Sat, 21 Jul 2018 18:31:58 +0100
Subject: mantis8342: make max ban height above ground configurable per regions
 instance with ini file option BanLineSafeHeight

---
 OpenSim/Framework/ILandChannel.cs                    |  3 ++-
 OpenSim/Region/CoreModules/World/Land/LandChannel.cs | 20 ++++++++++++++++++--
 .../CoreModules/World/Land/LandManagementModule.cs   | 16 +++++++++++++++-
 OpenSim/Region/CoreModules/World/Land/LandObject.cs  |  2 +-
 OpenSim/Tests/Common/Mock/TestLandChannel.cs         |  2 ++
 5 files changed, 38 insertions(+), 5 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/ILandChannel.cs b/OpenSim/Framework/ILandChannel.cs
index 8667837..e5ea596 100644
--- a/OpenSim/Framework/ILandChannel.cs
+++ b/OpenSim/Framework/ILandChannel.cs
@@ -33,6 +33,8 @@ namespace OpenSim.Region.Framework.Interfaces
 {
     public interface ILandChannel
     {
+
+        float BanLineSafeHeight {get;}
         /// <summary>
         /// Get all parcels
         /// </summary>
@@ -97,6 +99,5 @@ namespace OpenSim.Region.Framework.Interfaces
         void Join(int start_x, int start_y, int end_x, int end_y, UUID attempting_user_id);
         void Subdivide(int start_x, int start_y, int end_x, int end_y, UUID attempting_user_id);
         void sendClientInitialLandInfo(IClientAPI remoteClient);
-
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Land/LandChannel.cs b/OpenSim/Region/CoreModules/World/Land/LandChannel.cs
index 5ff063b..993b782 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandChannel.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandChannel.cs
@@ -37,11 +37,9 @@ namespace OpenSim.Region.CoreModules.World.Land
     {
         #region Constants
 
-        public const float BAN_LINE_SAFETY_HEIGHT = 100;
         //Land types set with flags in ParcelOverlay.
         //Only one of these can be used.
 
-
         //RequestResults (I think these are right, they seem to work):
         public const int LAND_RESULT_MULTIPLE = 1; // The request they made contained more than a single peice of land
         public const int LAND_RESULT_SINGLE = 0; // The request they made contained only a single piece of land
@@ -77,10 +75,28 @@ namespace OpenSim.Region.CoreModules.World.Land
         private readonly Scene m_scene;
         private readonly LandManagementModule m_landManagementModule;
 
+        private float m_BanLineSafeHeight = 100.0f;
+        public float BanLineSafeHeight
+        {
+            get
+            {
+                return m_BanLineSafeHeight;
+            }
+            private set
+            {
+                if (value >= 20f && value <= 5000f)
+                    m_BanLineSafeHeight = value;
+                else
+                    m_BanLineSafeHeight = 100.0f;
+            }
+        }
+
         public LandChannel(Scene scene, LandManagementModule landManagementMod)
         {
             m_scene = scene;
             m_landManagementModule = landManagementMod;
+            if(landManagementMod != null)
+                m_BanLineSafeHeight = landManagementMod.BanLineSafeHeight;
         }
 
         #region ILandChannel Members
diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index 09ece7d..19b714e 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -116,6 +116,19 @@ namespace OpenSim.Region.CoreModules.World.Land
         // "View distance" for sending parcel layer info if asked for from a view point in the region
         private int parcelLayerViewDistance { get; set; }
 
+        private float m_BanLineSafeHeight = 100.0f;
+        public float BanLineSafeHeight
+        {
+            get { return m_BanLineSafeHeight; }
+            private set
+            {
+                if (value > 20f && value <= 5000f)
+                    m_BanLineSafeHeight = value;
+                else
+                    m_BanLineSafeHeight = 100.0f;
+            }
+        }
+
         #region INonSharedRegionModule Members
 
         public Type ReplaceableInterface
@@ -137,6 +150,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                 bool disablebans = landManagementConfig.GetBoolean("DisableParcelBans", !m_allowedForcefulBans);
                 m_allowedForcefulBans = !disablebans;
                 m_showBansLines = landManagementConfig.GetBoolean("ShowParcelBansLines", m_showBansLines);
+                m_BanLineSafeHeight = landManagementConfig.GetFloat("BanLineSafeHeight", m_BanLineSafeHeight);
             }
         }
 
@@ -341,7 +355,7 @@ namespace OpenSim.Region.CoreModules.World.Land
         public bool EnforceBans(ILandObject land, ScenePresence avatar)
         {
             Vector3 agentpos = avatar.AbsolutePosition;
-            float h = m_scene.GetGroundHeight(agentpos.X, agentpos.Y) + LandChannel.BAN_LINE_SAFETY_HEIGHT;
+            float h = m_scene.GetGroundHeight(agentpos.X, agentpos.Y) + m_scene.LandChannel.BanLineSafeHeight;
             float zdif = avatar.AbsolutePosition.Z - h;
             if (zdif > 0 )
             {
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index cbe8a2e..229587b 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -633,7 +633,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
         public bool CanBeOnThisLand(UUID avatar, float posHeight)
         {
-            if (posHeight < LandChannel.BAN_LINE_SAFETY_HEIGHT && IsBannedFromLand(avatar))
+            if (posHeight < m_scene.LandChannel.BanLineSafeHeight && IsBannedFromLand(avatar))
             {
                 return false;
             }
diff --git a/OpenSim/Tests/Common/Mock/TestLandChannel.cs b/OpenSim/Tests/Common/Mock/TestLandChannel.cs
index 05db03fe..cb16f55 100644
--- a/OpenSim/Tests/Common/Mock/TestLandChannel.cs
+++ b/OpenSim/Tests/Common/Mock/TestLandChannel.cs
@@ -42,6 +42,8 @@ namespace OpenSim.Tests.Common
         private Scene m_scene;
         private List<ILandObject> m_parcels;
 
+        public float BanLineSafeHeight { get { return 100f; } }
+
         public TestLandChannel(Scene scene)
         {
             m_scene = scene;
-- 
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