* Implement saving of region settings in OAR files

* This means that you can now save terrain textures, water height, etc.
* Estate settings are not supported
* Older OAR files without these settings can still be loaded

11 files changed, 395 insertions, 30 deletions

diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index a53bfbe..dc00059 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -200,8 +200,6 @@ namespace OpenSim.Framework
         private EstateSettings m_estateSettings;
         private RegionSettings m_regionSettings;
 
-//        public bool m_allow_alternate_ports;
-
         public UUID MasterAvatarAssignedUUID = UUID.Zero;
         public string MasterAvatarFirstName = String.Empty;
         public string MasterAvatarLastName = String.Empty;
diff --git a/OpenSim/Framework/RegionSettings.cs b/OpenSim/Framework/RegionSettings.cs
index e1e747a..0e09fa1 100644
--- a/OpenSim/Framework/RegionSettings.cs
+++ b/OpenSim/Framework/RegionSettings.cs
@@ -38,6 +38,14 @@ namespace OpenSim.Framework
         public delegate void SaveDelegate(RegionSettings rs);
 
         public event SaveDelegate OnSave;
+        
+        /// <value>
+        /// These appear to be terrain textures that are shipped with the client.
+        /// </value>
+        public static readonly UUID DEFAULT_TERRAIN_TEXTURE_1 = new UUID("b8d3965a-ad78-bf43-699b-bff8eca6c975");
+        public static readonly UUID DEFAULT_TERRAIN_TEXTURE_2 = new UUID("abb783e6-3e93-26c0-248a-247666855da3");
+        public static readonly UUID DEFAULT_TERRAIN_TEXTURE_3 = new UUID("179cdabd-398a-9b6b-1391-4dc333ba321f");
+        public static readonly UUID DEFAULT_TERRAIN_TEXTURE_4 = new UUID("beb169c7-11ea-fff2-efe5-0f24dc881df2");
 
         public RegionSettings()
         {
@@ -74,19 +82,19 @@ namespace OpenSim.Framework
 
              configMember.addConfigurationOption("terrain_base_0",
                      ConfigurationOption.ConfigurationTypes.TYPE_UUID,
-                     String.Empty, "b8d3965a-ad78-bf43-699b-bff8eca6c975",true);
+                     String.Empty, DEFAULT_TERRAIN_TEXTURE_1.ToString(), true);
 
              configMember.addConfigurationOption("terrain_base_1",
                      ConfigurationOption.ConfigurationTypes.TYPE_UUID,
-                     String.Empty, "abb783e6-3e93-26c0-248a-247666855da3",true);
+                     String.Empty, DEFAULT_TERRAIN_TEXTURE_2.ToString(), true);
 
              configMember.addConfigurationOption("terrain_base_2",
                      ConfigurationOption.ConfigurationTypes.TYPE_UUID,
-                     String.Empty, "179cdabd-398a-9b6b-1391-4dc333ba321f",true);
+                     String.Empty, DEFAULT_TERRAIN_TEXTURE_3.ToString(), true);
 
              configMember.addConfigurationOption("terrain_base_3",
                      ConfigurationOption.ConfigurationTypes.TYPE_UUID,
-                     String.Empty, "beb169c7-11ea-fff2-efe5-0f24dc881df2",true);
+                     String.Empty, DEFAULT_TERRAIN_TEXTURE_4.ToString(), true);
 
              configMember.addConfigurationOption("terrain_start_height_0",
                      ConfigurationOption.ConfigurationTypes.TYPE_DOUBLE,
@@ -361,7 +369,7 @@ namespace OpenSim.Framework
             set
             {
                 if (value == UUID.Zero)
-                    m_TerrainTexture1 = new UUID("b8d3965a-ad78-bf43-699b-bff8eca6c975");
+                    m_TerrainTexture1 = DEFAULT_TERRAIN_TEXTURE_1;
                 else
                     m_TerrainTexture1 = value;
             }
@@ -375,7 +383,7 @@ namespace OpenSim.Framework
             set
             {
                 if (value == UUID.Zero)
-                    m_TerrainTexture2 = new UUID("abb783e6-3e93-26c0-248a-247666855da3");
+                    m_TerrainTexture2 = DEFAULT_TERRAIN_TEXTURE_2;
                 else
                     m_TerrainTexture2 = value;
             }
@@ -389,7 +397,7 @@ namespace OpenSim.Framework
             set
             {
                 if (value == UUID.Zero)
-                    m_TerrainTexture3 = new UUID("179cdabd-398a-9b6b-1391-4dc333ba321f");
+                    m_TerrainTexture3 = DEFAULT_TERRAIN_TEXTURE_3;
                 else
                     m_TerrainTexture3 = value;
             }
@@ -403,7 +411,7 @@ namespace OpenSim.Framework
             set
             {
                 if (value == UUID.Zero)
-                    m_TerrainTexture4 = new UUID("beb169c7-11ea-fff2-efe5-0f24dc881df2");
+                    m_TerrainTexture4 = DEFAULT_TERRAIN_TEXTURE_4;
                 else
                     m_TerrainTexture4 = value;
             }
diff --git a/OpenSim/Region/Environment/Interfaces/IEstateModule.cs b/OpenSim/Region/Environment/Interfaces/IEstateModule.cs
index 70c5800..8e393bb 100644
--- a/OpenSim/Region/Environment/Interfaces/IEstateModule.cs
+++ b/OpenSim/Region/Environment/Interfaces/IEstateModule.cs
@@ -35,5 +35,10 @@ namespace OpenSim.Region.Environment.Interfaces
     {
         uint GetRegionFlags();
         bool IsManager(UUID avatarID);
+        
+        /// <summary>
+        /// Tell all clients about the current state of the region (terrain textures, water height, etc.)
+        /// </summary>
+        void sendRegionHandshakeToAll();
     }
 }
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveConstants.cs b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveConstants.cs
index b2e006a..4151c88 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveConstants.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveConstants.cs
@@ -59,6 +59,11 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
         /// Path for terrains.  Technically these may be assets, but I think it's quite nice to split them out.
         /// </summary>
         public static readonly string TERRAINS_PATH = "terrains/";
+        
+        /// <summary>
+        /// Path for region settings.
+        /// </summary>
+        public static readonly string SETTINGS_PATH = "settings/";
 
         /// <summary>
         /// The character the separates the uuid from extension information in an archived asset filename
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveReadRequest.cs b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveReadRequest.cs
index e04662f..a5b5917 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveReadRequest.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveReadRequest.cs
@@ -69,6 +69,12 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
 
         private void DearchiveRegion()
         {
+            // The same code can handle dearchiving 0.1 and 0.2 OpenSim Archive versions
+            DearchiveRegion0DotStar();
+        }
+        
+        private void DearchiveRegion0DotStar()
+        {
             TarArchiveReader archive
                 = new TarArchiveReader(
                     new GZipStream(GetStream(m_loadPath), CompressionMode.Decompress));
@@ -107,6 +113,10 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
                 {
                     LoadTerrain(filePath, data);
                 }
+                else if (filePath.StartsWith(ArchiveConstants.SETTINGS_PATH))
+                {
+                    LoadRegionSettings(filePath, data);
+                }
             }
 
             //m_log.Debug("[ARCHIVER]: Reached end of archive");
@@ -267,6 +277,68 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
                 return false;
             }
         }
+        
+        /// <summary>
+        /// Load region settings data
+        /// </summary>
+        /// <param name="settingsPath"></param>
+        /// <param name="data"></param>
+        /// <returns>
+        /// true if settings were loaded successfully, false otherwise
+        /// </returns>
+        private bool LoadRegionSettings(string settingsPath, byte[] data)
+        {
+            RegionSettings loadedRegionSettings;
+            
+            try
+            {
+                loadedRegionSettings = RegionSettingsSerializer.Deserialize(data);
+            }
+            catch (Exception e)
+            {
+                m_log.ErrorFormat(
+                    "[ARCHIVER]: Could not parse region settings file {0}.  Ignoring.  Exception was {1}", 
+                    settingsPath, e);
+                return false;
+            }
+                
+            RegionSettings currentRegionSettings = m_scene.RegionInfo.RegionSettings;
+            
+            currentRegionSettings.AgentLimit = loadedRegionSettings.AgentLimit;
+            currentRegionSettings.AllowDamage = loadedRegionSettings.AllowDamage;
+            currentRegionSettings.AllowLandJoinDivide = loadedRegionSettings.AllowLandJoinDivide;
+            currentRegionSettings.AllowLandResell = loadedRegionSettings.AllowLandResell;
+            currentRegionSettings.BlockFly = loadedRegionSettings.BlockFly;
+            currentRegionSettings.BlockShowInSearch = loadedRegionSettings.BlockShowInSearch;
+            currentRegionSettings.BlockTerraform = loadedRegionSettings.BlockTerraform;
+            currentRegionSettings.DisableCollisions = loadedRegionSettings.DisableCollisions;
+            currentRegionSettings.DisablePhysics = loadedRegionSettings.DisablePhysics;
+            currentRegionSettings.DisableScripts = loadedRegionSettings.DisableScripts;
+            currentRegionSettings.Elevation1NE = loadedRegionSettings.Elevation1NE;
+            currentRegionSettings.Elevation1NW = loadedRegionSettings.Elevation1NW;
+            currentRegionSettings.Elevation1SE = loadedRegionSettings.Elevation1SE;
+            currentRegionSettings.Elevation1SW = loadedRegionSettings.Elevation1SW;
+            currentRegionSettings.Elevation2NE = loadedRegionSettings.Elevation2NE;
+            currentRegionSettings.Elevation2NW = loadedRegionSettings.Elevation2NW;
+            currentRegionSettings.Elevation2SE = loadedRegionSettings.Elevation2SE;
+            currentRegionSettings.Elevation2SW = loadedRegionSettings.Elevation2SW;
+            currentRegionSettings.FixedSun = loadedRegionSettings.FixedSun;
+            currentRegionSettings.ObjectBonus = loadedRegionSettings.ObjectBonus;
+            currentRegionSettings.RestrictPushing = loadedRegionSettings.RestrictPushing;
+            currentRegionSettings.TerrainLowerLimit = loadedRegionSettings.TerrainLowerLimit;
+            currentRegionSettings.TerrainRaiseLimit = loadedRegionSettings.TerrainRaiseLimit;
+            currentRegionSettings.TerrainTexture1 = loadedRegionSettings.TerrainTexture1;
+            currentRegionSettings.TerrainTexture2 = loadedRegionSettings.TerrainTexture2;
+            currentRegionSettings.TerrainTexture3 = loadedRegionSettings.TerrainTexture3;
+            currentRegionSettings.TerrainTexture4 = loadedRegionSettings.TerrainTexture4;
+            currentRegionSettings.UseEstateSun = loadedRegionSettings.UseEstateSun;
+            currentRegionSettings.WaterHeight = loadedRegionSettings.WaterHeight;
+            
+            IEstateModule estateModule = m_scene.RequestModuleInterface<IEstateModule>();
+            estateModule.sendRegionHandshakeToAll();
+            
+            return true;
+        }
 
         /// <summary>
         /// Load terrain data
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestExecution.cs b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestExecution.cs
index 73fa5d2..b410e55 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestExecution.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestExecution.cs
@@ -56,20 +56,20 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
         protected ITerrainModule m_terrainModule;
         protected IRegionSerialiserModule m_serialiser;
         protected List<SceneObjectGroup> m_sceneObjects;
-        protected string m_sceneName;
+        protected RegionInfo m_regionInfo;
         protected string m_savePath;
 
         public ArchiveWriteRequestExecution(
              List<SceneObjectGroup> sceneObjects,
              ITerrainModule terrainModule,
              IRegionSerialiserModule serialiser,
-             string sceneName,
+             RegionInfo regionInfo,
              string savePath)
         {
             m_sceneObjects = sceneObjects;
             m_terrainModule = terrainModule;
             m_serialiser = serialiser;
-            m_sceneName = sceneName;
+            m_regionInfo = regionInfo;
             m_savePath = savePath;
         }
 
@@ -90,9 +90,13 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
 
             // Write out control file
             archive.AddFile(ArchiveConstants.CONTROL_FILE_PATH, CreateControlFile());
+            
+            // Write out region settings
+            string settingsPath = String.Format("{0}{1}.xml", ArchiveConstants.SETTINGS_PATH, m_regionInfo.RegionName);
+            archive.AddFile(settingsPath, RegionSettingsSerializer.Serialize(m_regionInfo.RegionSettings));
 
             // Write out terrain
-            string terrainPath = String.Format("{0}{1}.r32", ArchiveConstants.TERRAINS_PATH, m_sceneName);
+            string terrainPath = String.Format("{0}{1}.r32", ArchiveConstants.TERRAINS_PATH, m_regionInfo.RegionName);
             MemoryStream ms = new MemoryStream();
             m_terrainModule.SaveToStream(terrainPath, ms);
             archive.AddFile(terrainPath, ms.ToArray());
@@ -137,7 +141,7 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
             xtw.WriteStartDocument();
             xtw.WriteStartElement("archive");
             xtw.WriteAttributeString("major_version", "0");
-            xtw.WriteAttributeString("minor_version", "1");
+            xtw.WriteAttributeString("minor_version", "2");
             xtw.WriteEndElement();
 
             xtw.Flush();
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestPreparation.cs b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestPreparation.cs
index 58e8f55..7c1d015 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestPreparation.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/ArchiveWriteRequestPreparation.cs
@@ -204,9 +204,7 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
 
                     // Get the prim's default texture.  This will be used for faces which don't have their own texture
                     assetUuids[textureEntry.DefaultTexture.TextureID] = 1;
-
-                    if (part.Shape.SculptTexture != UUID.Zero)
-                        assetUuids[part.Shape.SculptTexture] = 1;
+                    
                     // XXX: Not a great way to iterate through face textures, but there's no
                     // other method available to tell how many faces there actually are
                     //int i = 0;
@@ -218,7 +216,12 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
                             assetUuids[texture.TextureID] = 1;
                         }
                     }
+                    
+                    // If the prim is a sculpt then preserve this information too
+                    if (part.Shape.SculptTexture != UUID.Zero)
+                        assetUuids[part.Shape.SculptTexture] = 1;                    
 
+                    // Now analyze this prim's inventory items to preserve all the uuids that they reference
                     foreach (TaskInventoryItem tii in part.TaskInventory.Values)
                     {
                         //m_log.DebugFormat("[ARCHIVER]: Analysing item asset type {0}", tii.Type);
@@ -239,10 +242,10 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
                             {
                                 GetSceneObjectAssetUuids(tii.AssetID, assetUuids);
                             }
-                            else
-                            {
+                            //else
+                            //{
                                 //m_log.DebugFormat("[ARCHIVER]: Recording asset {0} in object {1}", tii.AssetID, part.UUID);
-                            }
+                            //}
                         }
                     }
                 }
@@ -283,6 +286,21 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
             m_log.DebugFormat(
                 "[ARCHIVER]: {0} scene objects to serialize requiring save of {1} assets",
                 sceneObjects.Count, assetUuids.Count);
+            
+            // Make sure that we also request terrain texture assets
+            RegionSettings regionSettings = m_scene.RegionInfo.RegionSettings;
+            
+            if (regionSettings.TerrainTexture1 != RegionSettings.DEFAULT_TERRAIN_TEXTURE_1)
+                assetUuids[regionSettings.TerrainTexture1] = 1;
+            
+            if (regionSettings.TerrainTexture2 != RegionSettings.DEFAULT_TERRAIN_TEXTURE_2)
+                assetUuids[regionSettings.TerrainTexture2] = 1;
+            
+            if (regionSettings.TerrainTexture3 != RegionSettings.DEFAULT_TERRAIN_TEXTURE_3)
+                assetUuids[regionSettings.TerrainTexture3] = 1;
+            
+            if (regionSettings.TerrainTexture4 != RegionSettings.DEFAULT_TERRAIN_TEXTURE_4)
+                assetUuids[regionSettings.TerrainTexture4] = 1;
 
             // Asynchronously request all the assets required to perform this archive operation
             ArchiveWriteRequestExecution awre
@@ -290,8 +308,9 @@ namespace OpenSim.Region.Environment.Modules.World.Archiver
                     sceneObjects,
                     m_scene.RequestModuleInterface<ITerrainModule>(),
                     m_scene.RequestModuleInterface<IRegionSerialiserModule>(),
-                    m_scene.RegionInfo.RegionName,
+                    m_scene.RegionInfo,
                     m_savePath);
+            
             new AssetsRequest(assetUuids.Keys, m_scene.AssetCache, awre.ReceivedAllAssets).Execute();
         }
     }
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/RegionSettingsSerializer.cs b/OpenSim/Region/Environment/Modules/World/Archiver/RegionSettingsSerializer.cs
new file mode 100644
index 0000000..e12d0ec
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/RegionSettingsSerializer.cs
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.IO;
+using System.Text;
+using System.Xml;
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Environment.Modules.World.Archiver
+{
+    /// <summary>
+    /// Serialize and deserialize region settings for an archive file format.
+    /// </summary>
+    /// We didn't simply use automatic .NET serializagion for OpenSim.Framework.RegionSettings since this is really
+    /// a file format rather than an object serialization.  
+    /// TODO: However, we could still have used separate non-framework classes here to read and write the xml
+    /// automatically rather than laboriously doing it by hand using XmlTextReader and Writer.  Should switch to this
+    /// in the future.
+    public class RegionSettingsSerializer
+    {
+        protected static ASCIIEncoding m_asciiEncoding = new ASCIIEncoding();
+        
+        /// <summary>
+        /// Deserialize region settings
+        /// </summary>
+        /// <param name="serializedSettings"></param>
+        /// <returns></returns>
+        /// <exception cref="System.Xml.XmlException"></exception>
+        public static RegionSettings Deserialize(byte[] serializedSettings)
+        {
+            return Deserialize(m_asciiEncoding.GetString(serializedSettings, 0, serializedSettings.Length));
+        }
+        
+        /// <summary>
+        /// Deserialize region settings
+        /// </summary>
+        /// <param name="serializedSettings"></param>
+        /// <returns></returns>
+        /// <exception cref="System.Xml.XmlException"></exception>
+        public static RegionSettings Deserialize(string serializedSettings)
+        {
+            RegionSettings settings = new RegionSettings();
+            
+            StringReader sr = new StringReader(serializedSettings);
+            XmlTextReader xtr = new XmlTextReader(sr);
+            
+            xtr.ReadStartElement("RegionSettings");
+         
+            xtr.ReadStartElement("General");
+           
+            while (xtr.Read() && xtr.NodeType != XmlNodeType.EndElement)
+            {
+                switch (xtr.Name)
+                {
+                    case "AllowDamage":
+                        settings.AllowDamage = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "AllowLandResell":
+                        settings.AllowLandResell = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "AllowLandJoinDivide":
+                        settings.AllowLandJoinDivide = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "BlockFly":
+                        settings.BlockFly = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "BlockLandShowInSearch":
+                        settings.BlockShowInSearch = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "BlockTerraform":
+                        settings.BlockTerraform = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "DisableCollisions":
+                        settings.DisableCollisions = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "DisablePhysics":
+                        settings.DisablePhysics = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "DisableScripts":
+                        settings.DisableScripts = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "MaturityRating":
+                        settings.Maturity = int.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "RestrictPushing":
+                        settings.RestrictPushing = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "AgentLimit":
+                        settings.AgentLimit = int.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ObjectBonus":
+                        settings.ObjectBonus = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                }
+            }
+            
+            xtr.ReadEndElement();
+            xtr.ReadStartElement("GroundTextures");
+            
+            while (xtr.Read() && xtr.NodeType != XmlNodeType.EndElement)
+            {
+                switch (xtr.Name)
+                {
+                    case "Texture1":
+                        settings.TerrainTexture1 = UUID.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "Texture2":
+                        settings.TerrainTexture2 = UUID.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "Texture3":
+                        settings.TerrainTexture3 = UUID.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "Texture4":
+                        settings.TerrainTexture4 = UUID.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationLowSW":
+                        settings.Elevation1SW = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationLowNW":
+                        settings.Elevation1NW = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationLowSE":
+                        settings.Elevation1SE = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationLowNE":
+                        settings.Elevation1NE = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationHighSW":
+                        settings.Elevation1SW = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationHighNW":
+                        settings.Elevation2NW = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationHighSE":
+                        settings.Elevation2SE = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "ElevationHighNE":
+                        settings.Elevation2NE = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                }
+            }                    
+           
+            xtr.ReadEndElement();
+            xtr.ReadStartElement("Terrain");
+            
+            while (xtr.Read() && xtr.NodeType != XmlNodeType.EndElement)
+            {
+                switch (xtr.Name)
+                {
+                    case "WaterHeight":
+                        settings.WaterHeight = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "TerrainRaiseLimit":
+                        settings.TerrainRaiseLimit = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "TerrainLowerLimit":
+                        settings.TerrainLowerLimit = double.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "UseEstateSun":
+                        settings.UseEstateSun = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                    case "FixedSun":
+                        settings.FixedSun = bool.Parse(xtr.ReadElementContentAsString());
+                        break;
+                }
+            }
+            
+            xtr.Close();
+            sr.Close();
+            
+            return settings;
+        }
+        
+        public static string Serialize(RegionSettings settings)
+        {
+            StringWriter sw = new StringWriter();
+            XmlTextWriter xtw = new XmlTextWriter(sw);
+            xtw.Formatting = Formatting.Indented;
+            xtw.WriteStartDocument();
+            
+            xtw.WriteStartElement("RegionSettings");
+            
+            xtw.WriteStartElement("General");            
+            xtw.WriteElementString("AllowDamage", settings.AllowDamage.ToString());            
+            xtw.WriteElementString("AllowLandResell", settings.AllowLandResell.ToString());
+            xtw.WriteElementString("AllowLandJoinDivide", settings.AllowLandJoinDivide.ToString());
+            xtw.WriteElementString("BlockFly", settings.BlockFly.ToString());
+            xtw.WriteElementString("BlockLandShowInSearch", settings.BlockShowInSearch.ToString());
+            xtw.WriteElementString("BlockTerraform", settings.BlockTerraform.ToString());
+            xtw.WriteElementString("DisableCollisions", settings.DisableCollisions.ToString());
+            xtw.WriteElementString("DisablePhysics", settings.DisablePhysics.ToString());
+            xtw.WriteElementString("DisableScripts", settings.DisableScripts.ToString());
+            xtw.WriteElementString("MaturityRating", settings.Maturity.ToString());
+            xtw.WriteElementString("RestrictPushing", settings.RestrictPushing.ToString());
+            xtw.WriteElementString("AgentLimit", settings.AgentLimit.ToString());
+            xtw.WriteElementString("ObjectBonus", settings.ObjectBonus.ToString());
+            xtw.WriteEndElement();
+
+            xtw.WriteStartElement("GroundTextures");
+            xtw.WriteElementString("Texture1", settings.TerrainTexture1.ToString());
+            xtw.WriteElementString("Texture2", settings.TerrainTexture2.ToString());
+            xtw.WriteElementString("Texture3", settings.TerrainTexture3.ToString());
+            xtw.WriteElementString("Texture4", settings.TerrainTexture4.ToString());
+            xtw.WriteElementString("ElevationLowSW", settings.Elevation1SW.ToString());
+            xtw.WriteElementString("ElevationLowNW", settings.Elevation1NW.ToString());
+            xtw.WriteElementString("ElevationLowSE", settings.Elevation1SE.ToString());
+            xtw.WriteElementString("ElevationLowNE", settings.Elevation1NE.ToString());
+            xtw.WriteElementString("ElevationHighSW", settings.Elevation2SW.ToString());
+            xtw.WriteElementString("ElevationHighNW", settings.Elevation2NW.ToString());
+            xtw.WriteElementString("ElevationHighSE", settings.Elevation2SE.ToString());
+            xtw.WriteElementString("ElevationHighNE", settings.Elevation2NE.ToString());
+            xtw.WriteEndElement();
+            
+            xtw.WriteStartElement("Terrain");
+            xtw.WriteElementString("WaterHeight", settings.WaterHeight.ToString());
+            xtw.WriteElementString("TerrainRaiseLimit", settings.TerrainRaiseLimit.ToString());
+            xtw.WriteElementString("TerrainLowerLimit", settings.TerrainLowerLimit.ToString());
+            xtw.WriteElementString("UseEstateSun", settings.UseEstateSun.ToString());
+            xtw.WriteElementString("FixedSun", settings.FixedSun.ToString());
+            // XXX: Need to expose interface to get sun phase information from sun module
+            // xtw.WriteStartElement("SunPhase", 
+            xtw.WriteEndElement(); 
+            
+            xtw.WriteEndElement();
+            
+            xtw.Close();
+            sw.Close();
+            
+            return sw.ToString();
+        }
+    }
+}
diff --git a/OpenSim/Region/Environment/Modules/World/Archiver/TarArchiveWriter.cs b/OpenSim/Region/Environment/Modules/World/Archiver/TarArchiveWriter.cs
index 83b9250..d4a8a46 100644
--- a/OpenSim/Region/Environment/Modules/World/Archiver/TarArchiveWriter.cs
+++ b/OpenSim/Region/Environment/Modules/World/Archiver/TarArchiveWriter.cs
@@ -43,7 +43,7 @@ namespace OpenSim.Region.Environment
 
         protected Dictionary<string, byte[]> m_files = new Dictionary<string, byte[]>();
 
-        protected static System.Text.ASCIIEncoding m_asciiEncoding = new System.Text.ASCIIEncoding();
+        protected static ASCIIEncoding m_asciiEncoding = new ASCIIEncoding();
 
         /// <summary>
         /// Add a directory to the tar archive.  We can only handle one path level right now!
diff --git a/OpenSim/Region/Environment/Modules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/Environment/Modules/World/Estate/EstateManagementModule.cs
index 7945815..14450ae 100644
--- a/OpenSim/Region/Environment/Modules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Estate/EstateManagementModule.cs
@@ -562,7 +562,6 @@ namespace OpenSim.Region.Environment.Modules.World.Estate
 
         private void HandleRegionInfoRequest(IClientAPI remote_client)
         {
-
            RegionInfoForEstateMenuArgs args = new RegionInfoForEstateMenuArgs();
            args.billableFactor = m_scene.RegionInfo.EstateSettings.BillableFactor;
            args.estateID = m_scene.RegionInfo.EstateSettings.EstateID;
@@ -754,9 +753,7 @@ namespace OpenSim.Region.Environment.Modules.World.Estate
 
         public void sendRegionHandshakeToAll()
         {
-            m_scene.Broadcast(
-                sendRegionHandshake
-                );
+            m_scene.Broadcast(sendRegionHandshake);
         }
 
         public void handleEstateChangeInfo(IClientAPI remoteClient, UUID invoice, UUID senderID, UInt32 parms1, UInt32 parms2)
diff --git a/OpenSim/Region/Environment/Modules/World/Sun/SunModule.cs b/OpenSim/Region/Environment/Modules/World/Sun/SunModule.cs
index 318afa1..3f82190 100644
--- a/OpenSim/Region/Environment/Modules/World/Sun/SunModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Sun/SunModule.cs
@@ -223,7 +223,6 @@ namespace OpenSim.Region.Environment.Modules
                     //  Insert our event handling hooks
 
                     scene.EventManager.OnFrame     += SunUpdate;
-                    //scene.EventManager.OnNewClient += SunToClient;
                     scene.EventManager.OnMakeChildAgent += MakeChildAgent;
                     scene.EventManager.OnAvatarEnteringNewParcel += AvatarEnteringParcel;
                     scene.EventManager.OnClientClosed += ClientLoggedOut;
@@ -248,9 +247,9 @@ namespace OpenSim.Region.Environment.Modules
         public void Close()
         {
             ready = false;
-            //  Remove our hooks
+            
+            // Remove our hooks
             m_scene.EventManager.OnFrame     -= SunUpdate;
-           // m_scene.EventManager.OnNewClient -= SunToClient;
             m_scene.EventManager.OnMakeChildAgent -= MakeChildAgent;
             m_scene.EventManager.OnAvatarEnteringNewParcel -= AvatarEnteringParcel;
             m_scene.EventManager.OnClientClosed -= ClientLoggedOut;