Merge branch 'master' into careminster

Conflicts:
	OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs
	OpenSim/Framework/Servers/VersionInfo.cs

29 files changed, 686 insertions, 75 deletions

diff --git a/.gitignore b/.gitignore
index dc4087e..fae7509 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,6 +69,7 @@ Examples/*.dll
 OpenSim.build
 OpenSim.sln
 OpenSim.suo
+OpenSim.userprefs
 Prebuild/Prebuild.build
 Prebuild/Prebuild.sln
 TestResult.xml
diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 9dd0797..7c07a2a 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -92,6 +92,7 @@ what it is today.
 * Flyte Xevious
 * Garmin Kawaguichi
 * Gryc Ueusp
+* Hiro Lecker
 * Imaze Rhiano
 * Intimidated
 * Jeremy Bongio (IBM)
diff --git a/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs b/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs
index f040ff7..8d25e18 100644
--- a/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs
+++ b/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs
@@ -163,7 +163,7 @@ namespace OpenSim.Capabilities.Handlers
 
                 if (texture == null)
                 {
-                    //m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache");
+//                    m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache");
 
                     // Fetch locally or remotely. Misses return a 404
                     texture = m_assetService.Get(textureID.ToString());
@@ -197,7 +197,7 @@ namespace OpenSim.Capabilities.Handlers
                }
                else // it was on the cache
                {
-                   //m_log.DebugFormat("[GETTEXTURE]: texture was in the cache");
+//                   m_log.DebugFormat("[GETTEXTURE]: texture was in the cache");
                    WriteTextureData(httpRequest, httpResponse, texture, format);
                    return true;
                }
@@ -219,14 +219,30 @@ namespace OpenSim.Capabilities.Handlers
                 int start, end;
                 if (TryParseRange(range, out start, out end))
                 {
-
                     // Before clamping start make sure we can satisfy it in order to avoid
                     // sending back the last byte instead of an error status
                     if (start >= texture.Data.Length)
                     {
+//                        m_log.DebugFormat(
+//                            "[GETTEXTURE]: Client requested range for texture {0} starting at {1} but texture has end of {2}",
+//                            texture.ID, start, texture.Data.Length);
+
+                        // Stricly speaking, as per http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html, we should be sending back
+                        // Requested Range Not Satisfiable (416) here.  However, it appears that at least recent implementations
+                        // of the Linden Lab viewer (3.2.1 and 3.3.4 and probably earlier), a viewer that has previously
+                        // received a very small texture  may attempt to fetch bytes from the server past the
+                        // range of data that it received originally.  Whether this happens appears to depend on whether
+                        // the viewer's estimation of how large a request it needs to make for certain discard levels
+                        // (http://wiki.secondlife.com/wiki/Image_System#Discard_Level_and_Mip_Mapping), chiefly discard
+                        // level 2.  If this estimate is greater than the total texture size, returning a RequestedRangeNotSatisfiable
+                        // here will cause the viewer to treat the texture as bad and never display the full resolution
+                        // However, if we return PartialContent (or OK) instead, the viewer will display that resolution.
+
 //                        response.StatusCode = (int)System.Net.HttpStatusCode.RequestedRangeNotSatisfiable;
-                        // viewers don't seem to handle RequestedRangeNotSatisfiable and keep retrying with same parameters
-                        response.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
+//                        response.AddHeader("Content-Range", String.Format("bytes */{0}", texture.Data.Length));
+//                        response.StatusCode = (int)System.Net.HttpStatusCode.OK;
+                        response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent;
+                        response.ContentType = texture.Metadata.ContentType;
                     }
                     else
                     {
@@ -234,12 +250,18 @@ namespace OpenSim.Capabilities.Handlers
                         start = Utils.Clamp(start, 0, end);
                         int len = end - start + 1;
 
-                        //m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID);
+//                        m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID);
 
                         // Always return PartialContent, even if the range covered the entire data length
                         // We were accidentally sending back 404 before in this situation
                         // https://issues.apache.org/bugzilla/show_bug.cgi?id=51878 supports sending 206 even if the
                         // entire range is requested, and viewer 3.2.2 (and very probably earlier) seems fine with this.
+                        //
+                        // We also do not want to send back OK even if the whole range was satisfiable since this causes
+                        // HTTP textures on at least Imprudence 1.4.0-beta2 to never display the final texture quality.
+//                        if (end > maxEnd)
+//                            response.StatusCode = (int)System.Net.HttpStatusCode.OK;
+//                        else
                         response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent;
 
                         response.ContentLength = len;
@@ -368,4 +390,4 @@ namespace OpenSim.Capabilities.Handlers
             return null;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Framework/Servers/VersionInfo.cs b/OpenSim/Framework/Servers/VersionInfo.cs
index 016a174..bb094ed 100644
--- a/OpenSim/Framework/Servers/VersionInfo.cs
+++ b/OpenSim/Framework/Servers/VersionInfo.cs
@@ -29,7 +29,7 @@ namespace OpenSim
 {
     public class VersionInfo
     {
-        private const string VERSION_NUMBER = "0.7.4CM";
+        private const string VERSION_NUMBER = "0.7.5CM";
         private const Flavour VERSION_FLAVOUR = Flavour.Dev;
 
         public enum Flavour
diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index 7d7176f..d698239 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -49,12 +49,8 @@ using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 
 
-[assembly: Addin("FlotsamAssetCache", "1.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
-
-namespace Flotsam.RegionModules.AssetCache
+namespace OpenSim.Region.CoreModules.Asset
 {
-    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class FlotsamAssetCache : ISharedRegionModule, IImprovedAssetCache, IAssetService
     {
         private static readonly ILog m_log =
diff --git a/OpenSim/Region/CoreModules/Asset/Tests/FlotsamAssetCacheTests.cs b/OpenSim/Region/CoreModules/Asset/Tests/FlotsamAssetCacheTests.cs
index c91b25f..9276d1a 100644
--- a/OpenSim/Region/CoreModules/Asset/Tests/FlotsamAssetCacheTests.cs
+++ b/OpenSim/Region/CoreModules/Asset/Tests/FlotsamAssetCacheTests.cs
@@ -35,7 +35,7 @@ using Nini.Config;
 using NUnit.Framework;
 using OpenMetaverse;
 using OpenMetaverse.Assets;
-using Flotsam.RegionModules.AssetCache;
+using OpenSim.Region.CoreModules.Asset;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.Framework.Scenes.Serialization;
diff --git a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
index 424e0ab..a09945e 100644
--- a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
+++ b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
@@ -34,6 +34,7 @@
         <RegionModule id="LureModule" type="OpenSim.Region.CoreModules.Avatar.Lure.LureModule" />
         <RegionModule id="InventoryTransferModule" type="OpenSim.Region.CoreModules.Avatar.Inventory.Transfer.InventoryTransferModule" />
         <RegionModule id="CoreAssetCache" type="OpenSim.Region.CoreModules.Asset.CoreAssetCache" />
+        <RegionModule id="FlotsamAssetCache" type="OpenSim.Region.CoreModules.Asset.FlotsamAssetCache" />
         <RegionModule id="GlynnTuckerAssetCache" type="OpenSim.Region.CoreModules.Asset.GlynnTuckerAssetCache" />
         <RegionModule id="CenomeMemoryAssetCache" type="OpenSim.Region.CoreModules.Asset.CenomeMemoryAssetCache"/>
         <RegionModule id="LibraryModule" type="OpenSim.Region.CoreModules.Framework.Library.LibraryModule"/>
diff --git a/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTexture.cs b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTexture.cs
new file mode 100644
index 0000000..fce9490
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTexture.cs
@@ -0,0 +1,61 @@
+/*
+ * 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 OpenSimulator 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.Drawing;
+using OpenSim.Region.Framework.Interfaces;
+
+namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
+{
+    public class DynamicTexture : IDynamicTexture
+    {
+        public string InputCommands { get; private set; }
+        public Uri InputUri { get; private set; }
+        public string InputParams { get; private set; }
+        public byte[] Data { get; private set; }
+        public Size Size { get; private set; }
+        public bool IsReuseable { get; private set; }
+
+        public DynamicTexture(string inputCommands, string inputParams, byte[] data, Size size, bool isReuseable)
+        {
+            InputCommands = inputCommands;
+            InputParams = inputParams;
+            Data = data;
+            Size = size;
+            IsReuseable = isReuseable;
+        }
+
+        public DynamicTexture(Uri inputUri, string inputParams, byte[] data, Size size, bool isReuseable)
+        {
+            InputUri = inputUri;
+            InputParams = inputParams;
+            Data = data;
+            Size = size;
+            IsReuseable = isReuseable;
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
index 3eedf49..1f340df 100644
--- a/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
@@ -42,7 +42,7 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 {
     public class DynamicTextureModule : IRegionModule, IDynamicTextureManager
     {
-        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private const int ALL_SIDES = -1;
 
@@ -54,6 +54,17 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         /// </summary>
         public bool ReuseTextures { get; set; }
 
+        /// <summary>
+        /// If false, then textures which have a low data size are not reused when ReuseTextures = true.
+        /// </summary>
+        /// <remarks>
+        /// LL viewers 3.3.4 and before appear to not fully render textures pulled from the viewer cache if those
+        /// textures have a relatively high pixel surface but a small data size.  Typically, this appears to happen
+        /// if the data size is smaller than the viewer's discard level 2 size estimate.  So if this is setting is
+        /// false, textures smaller than the calculation in IsSizeReuseable are always regenerated rather than reused
+        /// to work around this problem.</remarks>
+        public bool ReuseLowDataTextures { get; set; }
+
         private Dictionary<UUID, Scene> RegisteredScenes = new Dictionary<UUID, Scene>();
 
         private Dictionary<string, IDynamicTextureRender> RenderPlugins =
@@ -83,18 +94,17 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         /// <summary>
         /// Called by code which actually renders the dynamic texture to supply texture data.
         /// </summary>
-        /// <param name="id"></param>
-        /// <param name="data"></param>
-        /// <param name="isReuseable">True if the data generated can be reused for subsequent identical requests</param>
-        public void ReturnData(UUID id, byte[] data, bool isReuseable)
+        /// <param name="updaterId"></param>
+        /// <param name="texture"></param>
+        public void ReturnData(UUID updaterId, IDynamicTexture texture)
         {
             DynamicTextureUpdater updater = null;
 
             lock (Updaters)
             {
-                if (Updaters.ContainsKey(id))
+                if (Updaters.ContainsKey(updaterId))
                 {
-                    updater = Updaters[id];
+                    updater = Updaters[updaterId];
                 }
             }
 
@@ -103,11 +113,16 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                 if (RegisteredScenes.ContainsKey(updater.SimUUID))
                 {
                     Scene scene = RegisteredScenes[updater.SimUUID];
-                    UUID newTextureID = updater.DataReceived(data, scene);
+                    UUID newTextureID = updater.DataReceived(texture.Data, scene);
 
-                    if (ReuseTextures && isReuseable && !updater.BlendWithOldTexture)
+                    if (ReuseTextures
+                        && !updater.BlendWithOldTexture
+                        && texture.IsReuseable
+                        && (ReuseLowDataTextures || IsDataSizeReuseable(texture)))
+                    {
                         m_reuseableDynamicTextures.Store(
-                            GenerateReusableTextureKey(updater.BodyData, updater.Params), newTextureID);
+                            GenerateReusableTextureKey(texture.InputCommands, texture.InputParams), newTextureID);
+                    }
                 }
             }
 
@@ -123,6 +138,27 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
             }
         }
 
+        /// <summary>
+        /// Determines whether the texture is reuseable based on its data size.
+        /// </summary>
+        /// <remarks>
+        /// This is a workaround for a viewer bug where very small data size textures relative to their pixel size
+        /// are not redisplayed properly when pulled from cache.  The calculation here is based on the typical discard
+        /// level of 2, a 'rate' of 0.125 and 4 components (which makes for a factor of 0.5).
+        /// </remarks>
+        /// <returns></returns>
+        private bool IsDataSizeReuseable(IDynamicTexture texture)
+        {
+//            Console.WriteLine("{0} {1}", texture.Size.Width, texture.Size.Height);
+            int discardLevel2DataThreshold = (int)Math.Ceiling((texture.Size.Width >> 2) * (texture.Size.Height >> 2) * 0.5);
+
+//            m_log.DebugFormat(
+//                "[DYNAMIC TEXTURE MODULE]: Discard level 2 threshold {0}, texture data length {1}",
+//                discardLevel2DataThreshold, texture.Data.Length);
+
+            return discardLevel2DataThreshold < texture.Data.Length;
+        }
+
         public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url,
                                          string extraParams, int updateTimer)
         {
@@ -249,10 +285,18 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                     }
                 }
 
+//                m_log.DebugFormat(
+//                    "[DYNAMIC TEXTURE MODULE]: Requesting generation of new dynamic texture for {0} in {1}",
+//                    part.Name, part.ParentGroup.Scene.Name);
+
                 RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
             }
             else
             {
+//                m_log.DebugFormat(
+//                    "[DYNAMIC TEXTURE MODULE]: Reusing cached texture {0} for {1} in {2}",
+//                    objReusableTextureUUID, part.Name, part.ParentGroup.Scene.Name);
+
                 // No need to add to updaters as the texture is always the same.  Not that this functionality
                 // apppears to be implemented anyway.
                 updater.UpdatePart(part, (UUID)objReusableTextureUUID);
@@ -285,7 +329,10 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         {
             IConfig texturesConfig = config.Configs["Textures"];
             if (texturesConfig != null)
+            {
                 ReuseTextures = texturesConfig.GetBoolean("ReuseDynamicTextures", false);
+                ReuseLowDataTextures = texturesConfig.GetBoolean("ReuseDynamicLowDataTextures", false);
+            }
 
             if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
             {
@@ -448,8 +495,10 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                 IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>();
                 if (cacheLayerDecode != null)
                 {
-                    cacheLayerDecode.Decode(asset.FullID, asset.Data);
-                    cacheLayerDecode = null;
+                    if (!cacheLayerDecode.Decode(asset.FullID, asset.Data))
+                        m_log.WarnFormat(
+                            "[DYNAMIC TEXTURE MODULE]: Decoding of dynamically generated asset {0} for {1} in {2} failed",
+                            asset.ID, part.Name, part.ParentGroup.Scene.Name);
                 }
 
                 UUID oldID = UpdatePart(part, asset.FullID);
diff --git a/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs b/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs
index 2b3a0f2..45e6527 100644
--- a/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs
@@ -32,6 +32,7 @@ using System.Net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
+using OpenSim.Region.CoreModules.Scripting.DynamicTexture;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using log4net;
@@ -73,12 +74,12 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
 //            return false;
 //        }
 
-        public byte[] ConvertUrl(string url, string extraParams)
+        public IDynamicTexture ConvertUrl(string url, string extraParams)
         {
             return null;
         }
 
-        public byte[] ConvertData(string bodyData, string extraParams)
+        public IDynamicTexture ConvertData(string bodyData, string extraParams)
         {
             return null;
         }
@@ -171,11 +172,11 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
 
         private void HttpRequestReturn(IAsyncResult result)
         {
-
             RequestState state = (RequestState) result.AsyncState;
             WebRequest request = (WebRequest) state.Request;
             Stream stream = null;
             byte[] imageJ2000 = new byte[0];
+            Size newSize = new Size(0, 0);
 
             try
             {
@@ -188,37 +189,43 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
                         try
                         {
                             Bitmap image = new Bitmap(stream);
-                            Size newsize;
 
                             // TODO: make this a bit less hard coded
                             if ((image.Height < 64) && (image.Width < 64))
                             {
-                                newsize = new Size(32, 32);
+                                newSize.Width = 32;
+                                newSize.Height = 32;
                             }
                             else if ((image.Height < 128) && (image.Width < 128))
                             {
-                                newsize = new Size(64, 64);
+                                newSize.Width = 64;
+                                newSize.Height = 64;
                             }
                             else if ((image.Height < 256) && (image.Width < 256))
                             {
-                                newsize = new Size(128, 128);
+                                newSize.Width = 128;
+                                newSize.Height = 128;
                             }
                             else if ((image.Height < 512 && image.Width < 512))
                             {
-                                newsize = new Size(256, 256);
+                                newSize.Width = 256;
+                                newSize.Height = 256;
                             }
                             else if ((image.Height < 1024 && image.Width < 1024))
                             {
-                                newsize = new Size(512, 512);
+                                newSize.Width = 512;
+                                newSize.Height = 512;
                             }
                             else
                             {
-                                newsize = new Size(1024, 1024);
+                                newSize.Width = 1024;
+                                newSize.Height = 1024;
                             }
 
-                            Bitmap resize = new Bitmap(image, newsize);
-
-                            imageJ2000 = OpenJPEG.EncodeFromImage(resize, true);
+                            using (Bitmap resize = new Bitmap(image, newSize))
+                            {
+                                imageJ2000 = OpenJPEG.EncodeFromImage(resize, true);
+                            }
                         } 
                         catch (Exception)
                         {
@@ -233,7 +240,6 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
             }
             catch (WebException)
             {
-                
             }
             finally
             {
@@ -243,10 +249,13 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
                 }
             }
 
-            m_log.DebugFormat("[LOADIMAGEURLMODULE] Returning {0} bytes of image data for request {1}",
+            m_log.DebugFormat("[LOADIMAGEURLMODULE]: Returning {0} bytes of image data for request {1}",
                                        imageJ2000.Length, state.RequestID);
 
-            m_textureManager.ReturnData(state.RequestID, imageJ2000, false);
+            m_textureManager.ReturnData(
+                state.RequestID,
+                new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture(
+                    request.RequestUri, null, imageJ2000, newSize, false));
         }
 
         #region Nested type: RequestState
diff --git a/OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs b/OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs
index b50c0bd..41baccc 100644
--- a/OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs
+++ b/OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs
@@ -57,6 +57,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
 
             m_dtm = new DynamicTextureModule();
             m_dtm.ReuseTextures = reuseTextures;
+//            m_dtm.ReuseLowDataTextures = reuseTextures;
 
             m_vrm = new VectorRenderModule();
 
@@ -201,6 +202,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
         public void TestRepeatSameDrawReusingTexture()
         {
             TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
 
             string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
 
@@ -228,6 +230,46 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
             Assert.That(firstDynamicTextureID, Is.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
         }
 
+        /// <summary>
+        /// Test a low data dynamically generated texture such that it is treated as a low data texture that causes
+        /// problems for current viewers.
+        /// </summary>
+        /// <remarks>
+        /// As we do not set DynamicTextureModule.ReuseLowDataTextures = true in this test, it should not reuse the
+        /// texture
+        /// </remarks>
+        [Test]
+        public void TestRepeatSameDrawLowDataTexture()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "1024",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "1024",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
         [Test]
         public void TestRepeatSameDrawDifferentExtraParamsReusingTexture()
         {
diff --git a/OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs b/OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs
index f687646..1e17b02 100644
--- a/OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs
@@ -35,6 +35,7 @@ using System.Net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
+using OpenSim.Region.CoreModules.Scripting.DynamicTexture;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using log4net;
@@ -46,6 +47,11 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 {
     public class VectorRenderModule : IRegionModule, IDynamicTextureRender
     {
+        // These fields exist for testing purposes, please do not remove.
+//        private static bool s_flipper;
+//        private static byte[] s_asset1Data;
+//        private static byte[] s_asset2Data;
+
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private Scene m_scene;
@@ -80,20 +86,14 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 //            return lines.Any((str, r) => str.StartsWith("Image"));
 //        }
 
-        public byte[] ConvertUrl(string url, string extraParams)
+        public IDynamicTexture ConvertUrl(string url, string extraParams)
         {
             return null;
         }
 
-        public byte[] ConvertData(string bodyData, string extraParams)
-        {
-            bool reuseable;
-            return Draw(bodyData, extraParams, out reuseable);
-        }
-
-        private byte[] ConvertData(string bodyData, string extraParams, out bool reuseable)
+        public IDynamicTexture ConvertData(string bodyData, string extraParams)
         {
-            return Draw(bodyData, extraParams, out reuseable);
+            return Draw(bodyData, extraParams);
         }
 
         public bool AsyncConvertUrl(UUID id, string url, string extraParams)
@@ -104,10 +104,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
         public bool AsyncConvertData(UUID id, string bodyData, string extraParams)
         {
             // XXX: This isn't actually being done asynchronously!
-            bool reuseable;
-            byte[] data = ConvertData(bodyData, extraParams, out reuseable);
-
-            m_textureManager.ReturnData(id, data, reuseable);
+            m_textureManager.ReturnData(id, ConvertData(bodyData, extraParams));
 
             return true;
         }
@@ -161,6 +158,13 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
             {
                 m_textureManager.RegisterRender(GetContentType(), this);
             }
+
+                // This code exists for testing purposes, please do not remove.
+//            s_asset1Data = m_scene.AssetService.Get("00000000-0000-1111-9999-000000000001").Data;
+//            s_asset1Data = m_scene.AssetService.Get("9f4acf0d-1841-4e15-bdb8-3a12efc9dd8f").Data;
+
+            // Terrain dirt - smallest bin/assets file (6004 bytes)
+//            s_asset2Data = m_scene.AssetService.Get("b8d3965a-ad78-bf43-699b-bff8eca6c975").Data;
         }
 
         public void Close()
@@ -179,7 +183,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
         #endregion
 
-        private byte[] Draw(string data, string extraParams, out bool reuseable)
+        private IDynamicTexture Draw(string data, string extraParams)
         {
             // We need to cater for old scripts that didnt use extraParams neatly, they use either an integer size which represents both width and height, or setalpha
             // we will now support multiple comma seperated params in the form  width:256,height:512,alpha:255
@@ -322,6 +326,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
             Bitmap bitmap = null;
             Graphics graph = null;
+            bool reuseable = false;
 
             try
             {
@@ -364,6 +369,14 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
                 }
     
                 byte[] imageJ2000 = new byte[0];
+
+                // This code exists for testing purposes, please do not remove.
+//                if (s_flipper)
+//                    imageJ2000 = s_asset1Data;
+//                else
+//                    imageJ2000 = s_asset2Data;
+//
+//                s_flipper = !s_flipper;
     
                 try
                 {
@@ -376,7 +389,8 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
                         e.Message, e.StackTrace);
                 }
 
-                return imageJ2000;
+                return new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture(
+                    data, extraParams, imageJ2000, new Size(width, height), reuseable);
             }
             finally
             {
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/Tests/GridConnectorsTests.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/Tests/GridConnectorsTests.cs
index b286d17..57ae549 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/Tests/GridConnectorsTests.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/Tests/GridConnectorsTests.cs
@@ -43,7 +43,7 @@ using OpenSim.Tests.Common;
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid.Tests
 {
     [TestFixture]
-    public class GridConnectorsTests
+    public class GridConnectorsTests : OpenSimTestCase
     {
         LocalGridServicesConnector m_LocalConnector;
         private void SetUp()
diff --git a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
index 5deaf52..904110e 100644
--- a/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
+++ b/OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs
@@ -51,7 +51,7 @@ using RegionSettings = OpenSim.Framework.RegionSettings;
 namespace OpenSim.Region.CoreModules.World.Archiver.Tests
 {
     [TestFixture]
-    public class ArchiverTests
+    public class ArchiverTests : OpenSimTestCase
     {
         private Guid m_lastRequestId;
         private string m_lastErrorMessage;
diff --git a/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs b/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
index 3c48d07..33f6c3f 100644
--- a/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
+++ b/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
@@ -222,6 +222,13 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
                     bitmap = ImageUtils.ResizeImage(origBitmap, viewport.Width, viewport.Height);
             }
 
+            // XXX: It shouldn't really be necesary to force a GC here as one should occur anyway pretty shortly
+            // afterwards.  It's generally regarded as a bad idea to manually GC.  If Warp3D is using lots of memory
+            // then this may be some issue with the Warp3D code itself, though it's also quite possible that generating
+            // this map tile simply takes a lot of memory.
+            GC.Collect();
+            m_log.Debug("[WARP 3D IMAGE MODULE]: GC.Collect()");
+
             return bitmap;
         }
 
diff --git a/OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs b/OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs
index 1a3bcbb..6df5cc2 100644
--- a/OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs
+++ b/OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs
@@ -25,6 +25,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
+using System.Drawing;
 using System.IO;
 using OpenMetaverse;
 
@@ -33,7 +35,14 @@ namespace OpenSim.Region.Framework.Interfaces
     public interface IDynamicTextureManager
     {
         void RegisterRender(string handleType, IDynamicTextureRender render);
-        void ReturnData(UUID id, byte[] data, bool isReuseable);
+
+        /// <summary>
+        /// Used by IDynamicTextureRender implementations to return renders
+        /// </summary>
+        /// <param name='id'></param>
+        /// <param name='data'></param>
+        /// <param name='isReuseable'></param>
+        void ReturnData(UUID id, IDynamicTexture texture);
 
         UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, string extraParams,
                                     int updateTimer);
@@ -125,11 +134,53 @@ namespace OpenSim.Region.Framework.Interfaces
 //        /// <param name='extraParams'></param>
 //        bool AlwaysIdenticalConversion(string bodyData, string extraParams);
 
-        byte[] ConvertUrl(string url, string extraParams);
-        byte[] ConvertData(string bodyData, string extraParams);
+        IDynamicTexture ConvertUrl(string url, string extraParams);
+        IDynamicTexture ConvertData(string bodyData, string extraParams);
+
         bool AsyncConvertUrl(UUID id, string url, string extraParams);
         bool AsyncConvertData(UUID id, string bodyData, string extraParams);
+
         void GetDrawStringSize(string text, string fontName, int fontSize, 
                                out double xSize, out double ySize);
     }
+
+    public interface IDynamicTexture
+    {
+        /// <summary>
+        /// Input commands used to generate this data.
+        /// </summary>
+        /// <remarks>
+        /// Null if input commands were not used.
+        /// </remarks>
+        string InputCommands { get; }
+
+        /// <summary>
+        /// Uri used to generate this data.
+        /// </summary>
+        /// <remarks>
+        /// Null if a uri was not used.
+        /// </remarks>
+        Uri InputUri { get; }
+
+        /// <summary>
+        /// Extra input params used to generate this data.
+        /// </summary>
+        string InputParams { get; }
+
+        /// <summary>
+        /// Texture data.
+        /// </summary>
+        byte[] Data { get; }
+
+        /// <summary>
+        /// Size of texture.
+        /// </summary>
+        Size Size { get; }
+
+        /// <summary>
+        /// Signal whether the texture is reuseable (i.e. whether the same input data will always generate the same
+        /// texture).
+        /// </summary>
+        bool IsReuseable { get; }
+    }
 }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 8fb6c3b..d94d5ef 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -4811,6 +4811,18 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        /// Attempt to get the SOG via its UUID
+        /// </summary>
+        /// <param name="fullID"></param>
+        /// <param name="sog"></param>
+        /// <returns></returns>
+        public bool TryGetSceneObjectGroup(UUID fullID, out SceneObjectGroup sog)
+        {
+            sog = GetSceneObjectGroup(fullID);
+            return sog != null;
+        }
+
+        /// <summary>
         /// Get a prim by name from the scene (will return the first
         /// found, if there are more than one prim with the same name)
         /// </summary>
@@ -4842,6 +4854,18 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        /// Attempt to get a prim via its UUID
+        /// </summary>
+        /// <param name="fullID"></param>
+        /// <param name="sop"></param>
+        /// <returns></returns>
+        public bool TryGetSceneObjectPart(UUID fullID, out SceneObjectPart sop)
+        {
+            sop = GetSceneObjectPart(fullID);
+            return sop != null;
+        }
+
+        /// <summary>
         /// Get a scene object group that contains the prim with the given local id
         /// </summary>
         /// <param name="localID"></param>
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 3e8c7e5..0176921 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -3631,13 +3631,16 @@ namespace OpenSim.Region.Framework.Scenes
         public List<SceneObjectGroup> GetAttachments(uint attachmentPoint)
         {
             List<SceneObjectGroup> attachments = new List<SceneObjectGroup>();
-            
-            lock (m_attachments)
+
+            if (attachmentPoint >= 0)
             {
-                foreach (SceneObjectGroup so in m_attachments)
+                lock (m_attachments)
                 {
-                    if (attachmentPoint == so.AttachmentPoint)
-                        attachments.Add(so);
+                    foreach (SceneObjectGroup so in m_attachments)
+                    {
+                        if (attachmentPoint == so.AttachmentPoint)
+                            attachments.Add(so);
+                    }
                 }
             }
             
diff --git a/OpenSim/Region/RegionCombinerModule/RegionCombinerModule.cs b/OpenSim/Region/RegionCombinerModule/RegionCombinerModule.cs
index 3144d76..190fca0 100644
--- a/OpenSim/Region/RegionCombinerModule/RegionCombinerModule.cs
+++ b/OpenSim/Region/RegionCombinerModule/RegionCombinerModule.cs
@@ -39,11 +39,8 @@ using OpenSim.Framework.Console;
 using OpenSim.Region.Physics.Manager;
 using Mono.Addins;
 
-[assembly: Addin("RegionCombinerModule", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
 namespace OpenSim.Region.RegionCombinerModule
 {
-    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class RegionCombinerModule : ISharedRegionModule, IRegionCombinerModule
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
diff --git a/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml b/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml
new file mode 100644
index 0000000..13cb8b6
--- /dev/null
+++ b/OpenSim/Region/RegionCombinerModule/Resources/RegionCombinerModule.addin.xml
@@ -0,0 +1,14 @@
+<Addin id="OpenSim.RegionModules.RegionCombinerModule" version="0.3">
+    <Runtime>
+        <Import assembly="OpenSim.Region.RegionCombinerModule.dll"/>
+    </Runtime>
+
+    <Dependencies>
+        <Addin id="OpenSim" version="0.5" />
+    </Dependencies>
+
+    <Extension path = "/OpenSim/RegionModules">
+        <RegionModule id="RegionCombinerModule" type="OpenSim.Region.RegionCombinerModule.RegionCombinerModule" />
+    </Extension>
+
+</Addin>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/MOD_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/MOD_Api.cs
index 84cf6ca..cde2d9f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/MOD_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/MOD_Api.cs
@@ -310,7 +310,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             // ---------- Integer ----------
             else if (lslparm is LSL_Integer)
             {
-                if (type == typeof(int))
+                if (type == typeof(int) || type == typeof(float))
                     return (int)(LSL_Integer)lslparm;
             }
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 7aacfd4..a44ced4 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -1682,6 +1682,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return;
             }
 
+            MessageObject(objUUID, message);
+        }
+
+        private void MessageObject(UUID objUUID, string message)
+        {
             object[] resobj = new object[] { new LSL_Types.LSLString(m_host.UUID.ToString()), new LSL_Types.LSLString(message) };
 
             SceneObjectPart sceneOP = World.GetSceneObjectPart(objUUID);
@@ -3272,6 +3277,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
         }
 
+        #region Attachment commands
+
         public void osForceAttachToAvatar(int attachmentPoint)
         {
             CheckThreatLevel(ThreatLevel.High, "osForceAttachToAvatar");
@@ -3361,6 +3368,175 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             ((LSL_Api)m_LSL_Api).DetachFromAvatar();
         }
 
+        public LSL_List osGetNumberOfAttachments(LSL_Key avatar, LSL_List attachmentPoints)
+        {
+            CheckThreatLevel(ThreatLevel.Moderate, "osGetNumberOfAttachments");
+
+            m_host.AddScriptLPS(1);
+
+            UUID targetUUID;
+            ScenePresence target;
+            LSL_List resp = new LSL_List();
+
+            if (attachmentPoints.Length >= 1 && UUID.TryParse(avatar.ToString(), out targetUUID) && World.TryGetScenePresence(targetUUID, out target))
+            {
+                foreach (object point in attachmentPoints.Data)
+                {
+                    LSL_Integer ipoint = new LSL_Integer(
+                        (point is LSL_Integer || point is int || point is uint) ?
+                            (int)point :
+                            0
+                    );
+                    resp.Add(ipoint);
+                    if (ipoint == 0)
+                    {
+                        // indicates zero attachments
+                        resp.Add(new LSL_Integer(0));
+                    }
+                    else
+                    {
+                        // gets the number of attachments on the attachment point
+                        resp.Add(new LSL_Integer(target.GetAttachments((uint)ipoint).Count));
+                    }
+                }
+            }
+
+            return resp;
+        }
+
+        public void osMessageAttachments(LSL_Key avatar, string message, LSL_List attachmentPoints, int options)
+        {
+            CheckThreatLevel(ThreatLevel.Moderate, "osMessageAttachments");
+            m_host.AddScriptLPS(1);
+
+            UUID targetUUID;
+            ScenePresence target;
+
+            if (attachmentPoints.Length >= 1 && UUID.TryParse(avatar.ToString(), out targetUUID) && World.TryGetScenePresence(targetUUID, out target))
+            {
+                List<int> aps = new List<int>();
+                foreach (object point in attachmentPoints.Data)
+                {
+                    int ipoint;
+                    if (int.TryParse(point.ToString(), out ipoint))
+                    {
+                        aps.Add(ipoint);
+                    }
+                }
+
+                List<SceneObjectGroup> attachments = new List<SceneObjectGroup>();
+
+                bool msgAll = aps.Contains(ScriptBaseClass.OS_ATTACH_MSG_ALL);
+                bool invertPoints = (options & ScriptBaseClass.OS_ATTACH_MSG_INVERT_POINTS) != 0;
+
+                if (msgAll && invertPoints)
+                {
+                    return;
+                }
+                else if (msgAll || invertPoints)
+                {
+                    attachments = target.GetAttachments();
+                }
+                else
+                {
+                    foreach (int point in aps)
+                    {
+                        if (point > 0)
+                        {
+                            attachments.AddRange(target.GetAttachments((uint)point));
+                        }
+                    }
+                }
+
+                // if we have no attachments at this point, exit now
+                if (attachments.Count == 0)
+                {
+                    return;
+                }
+
+                List<SceneObjectGroup> ignoreThese = new List<SceneObjectGroup>();
+
+                if (invertPoints)
+                {
+                    foreach (SceneObjectGroup attachment in attachments)
+                    {
+                        if (aps.Contains((int)attachment.AttachmentPoint))
+                        {
+                            ignoreThese.Add(attachment);
+                        }
+                    }
+                }
+
+                foreach (SceneObjectGroup attachment in ignoreThese)
+                {
+                    attachments.Remove(attachment);
+                }
+                ignoreThese.Clear();
+
+                // if inverting removed all attachments to check, exit now
+                if (attachments.Count < 1)
+                {
+                    return;
+                }
+
+                if ((options & ScriptBaseClass.OS_ATTACH_MSG_OBJECT_CREATOR) != 0)
+                {
+                    foreach (SceneObjectGroup attachment in attachments)
+                    {
+                        if (attachment.RootPart.CreatorID != m_host.CreatorID)
+                        {
+                            ignoreThese.Add(attachment);
+                        }
+                    }
+
+                    foreach (SceneObjectGroup attachment in ignoreThese)
+                    {
+                        attachments.Remove(attachment);
+                    }
+                    ignoreThese.Clear();
+
+                    // if filtering by same object creator removed all
+                    //  attachments to check, exit now
+                    if (attachments.Count == 0)
+                    {
+                        return;
+                    }
+                }
+
+                if ((options & ScriptBaseClass.OS_ATTACH_MSG_SCRIPT_CREATOR) != 0)
+                {
+                    foreach (SceneObjectGroup attachment in attachments)
+                    {
+                        if (attachment.RootPart.CreatorID != m_item.CreatorID)
+                        {
+                            ignoreThese.Add(attachment);
+                        }
+                    }
+
+                    foreach (SceneObjectGroup attachment in ignoreThese)
+                    {
+                        attachments.Remove(attachment);
+                    }
+                    ignoreThese.Clear();
+
+                    // if filtering by object creator must match originating
+                    //  script creator removed all attachments to check,
+                    //  exit now
+                    if (attachments.Count == 0)
+                    {
+                        return;
+                    }
+                }
+
+                foreach (SceneObjectGroup attachment in attachments)
+                {
+                    MessageObject(attachment.RootPart.UUID, message);
+                }
+            }
+        }
+
+        #endregion
+
         /// <summary>
         /// Checks if thing is a UUID.
         /// </summary>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
index 07149b6..0ea363a 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
@@ -157,7 +157,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         void osAvatarPlayAnimation(string avatar, string animation);
         void osAvatarStopAnimation(string avatar, string animation);
 
-        // Attachment commands
+        #region Attachment commands
 
         /// <summary>
         /// Attach the object containing this script to the avatar that owns it without asking for PERMISSION_ATTACH
@@ -192,6 +192,29 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         /// <remarks>Nothing happens if the object is not attached.</remarks>
         void osForceDetachFromAvatar();
 
+        /// <summary>
+        /// Returns a strided list of the specified attachment points and the number of attachments on those points.
+        /// </summary>
+        /// <param name="avatar">avatar UUID</param>
+        /// <param name="attachmentPoints">list of ATTACH_* constants</param>
+        /// <returns></returns>
+        LSL_List osGetNumberOfAttachments(LSL_Key avatar, LSL_List attachmentPoints);
+
+        /// <summary>
+        /// Sends a specified message to the specified avatar's attachments on
+        ///     the specified attachment points.
+        /// </summary>
+        /// <remarks>
+        /// Behaves as osMessageObject(), without the sending script needing to know the attachment keys in advance.
+        /// </remarks>
+        /// <param name="avatar">avatar UUID</param>
+        /// <param name="message">message string</param>
+        /// <param name="attachmentPoints">list of ATTACH_* constants, or -1 for all attachments. If -1 is specified and OS_ATTACH_MSG_INVERT_POINTS is present in flags, no action is taken.</param>
+        /// <param name="flags">flags further constraining the attachments to deliver the message to.</param>
+        void osMessageAttachments(LSL_Key avatar, string message, LSL_List attachmentPoints, int flags);
+
+        #endregion
+
         //texture draw functions
         string osMovePen(string drawList, int x, int y);
         string osDrawLine(string drawList, int startX, int startY, int endX, int endY);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index 05ba222..c788407 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -237,6 +237,58 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int ATTACH_HUD_BOTTOM = 37;
         public const int ATTACH_HUD_BOTTOM_RIGHT = 38;
 
+        #region osMessageAttachments constants
+
+        /// <summary>
+        /// Instructs osMessageAttachements to send the message to attachments
+        ///     on every point.
+        /// </summary>
+        /// <remarks>
+        /// One might expect this to be named OS_ATTACH_ALL, but then one might
+        ///     also expect functions designed to attach or detach or get
+        ///     attachments to work with it too. Attaching a no-copy item to
+        ///     many attachments could be dangerous.
+        /// when combined with OS_ATTACH_MSG_INVERT_POINTS, will prevent the
+        ///     message from being sent.
+        /// if combined with OS_ATTACH_MSG_OBJECT_CREATOR or
+        ///     OS_ATTACH_MSG_SCRIPT_CREATOR, could result in no message being
+        ///     sent- this is expected behaviour.
+        /// </remarks>
+        public const int OS_ATTACH_MSG_ALL = -65535;
+
+        /// <summary>
+        /// Instructs osMessageAttachements to invert how the attachment points
+        ///     list should be treated (e.g. go from inclusive operation to
+        ///     exclusive operation).
+        /// </summary>
+        /// <remarks>
+        /// This might be used if you want to deliver a message to one set of
+        ///     attachments and a different message to everything else. With
+        ///     this flag, you only need to build one explicit list for both calls.
+        /// </remarks>
+        public const int OS_ATTACH_MSG_INVERT_POINTS = 1;
+
+        /// <summary>
+        /// Instructs osMessageAttachments to only send the message to
+        ///     attachments with a CreatorID that matches the host object CreatorID
+        /// </summary>
+        /// <remarks>
+        /// This would be used if distributed in an object vendor/updater server.
+        /// </remarks>
+        public const int OS_ATTACH_MSG_OBJECT_CREATOR = 2;
+
+        /// <summary>
+        /// Instructs osMessageAttachments to only send the message to
+        ///     attachments with a CreatorID that matches the sending script CreatorID
+        /// </summary>
+        /// <remarks>
+        /// This might be used if the script is distributed independently of a
+        ///     containing object.
+        /// </remarks>
+        public const int OS_ATTACH_MSG_SCRIPT_CREATOR = 4;
+
+        #endregion
+
         public const int LAND_LEVEL = 0;
         public const int LAND_RAISE = 1;
         public const int LAND_LOWER = 2;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index ba1ade2..52ca3da 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -289,7 +289,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_OSSL_Functions.osAvatarStopAnimation(avatar, animation);
         }
 
-        // Avatar functions
+        #region Attachment commands
 
         public void osForceAttachToAvatar(int attachmentPoint)
         {
@@ -311,6 +311,18 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_OSSL_Functions.osForceDetachFromAvatar();
         }
 
+        public LSL_List osGetNumberOfAttachments(LSL_Key avatar, LSL_List attachmentPoints)
+        {
+            return m_OSSL_Functions.osGetNumberOfAttachments(avatar, attachmentPoints);
+        }
+
+        public void osMessageAttachments(LSL_Key avatar, string message, LSL_List attachmentPoints, int flags)
+        {
+            m_OSSL_Functions.osMessageAttachments(avatar, message, attachmentPoints, flags);
+        }
+
+        #endregion
+
         // Texture Draw functions
 
         public string osMovePen(string drawList, int x, int y)
diff --git a/OpenSim/Server/Base/ServicesServerBase.cs b/OpenSim/Server/Base/ServicesServerBase.cs
index b137c05..0cff6ed 100644
--- a/OpenSim/Server/Base/ServicesServerBase.cs
+++ b/OpenSim/Server/Base/ServicesServerBase.cs
@@ -26,6 +26,7 @@
  */
 
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
 using System.Threading;
@@ -71,10 +72,17 @@ namespace OpenSim.Server.Base
         //
         private string m_pidFile = String.Empty;
 
+        /// <summary>
+        /// Time at which this server was started
+        /// </summary>
+        protected DateTime m_startuptime;
+
         // Handle all the automagical stuff
         //
         public ServicesServerBase(string prompt, string[] args)
         {
+            m_startuptime = DateTime.Now;
+
             // Save raw arguments
             //
             m_Arguments = args;
@@ -250,6 +258,10 @@ namespace OpenSim.Server.Base
                                           "command-script <script>",
                                           "Run a command script from file", HandleScript);
 
+            MainConsole.Instance.Commands.AddCommand("General", false, "show uptime",
+                        "show uptime",
+                        "Show server uptime", HandleShow);
+
 
             // Allow derived classes to perform initialization that
             // needs to be done after the console has opened
@@ -345,5 +357,34 @@ namespace OpenSim.Server.Base
             {
             }
         }
+
+        public virtual void HandleShow(string module, string[] cmd)
+        {
+            List<string> args = new List<string>(cmd);
+
+            args.RemoveAt(0);
+
+            string[] showParams = args.ToArray();
+
+            switch (showParams[0])
+            {
+                case "uptime":
+                    MainConsole.Instance.Output(GetUptimeReport());
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// Return a report about the uptime of this server
+        /// </summary>
+        /// <returns></returns>
+        protected string GetUptimeReport()
+        {
+            StringBuilder sb = new StringBuilder(String.Format("Time now is {0}\n", DateTime.Now));
+            sb.Append(String.Format("Server has been running since {0}, {1}\n", m_startuptime.DayOfWeek, m_startuptime));
+            sb.Append(String.Format("That is an elapsed time of {0}\n", DateTime.Now - m_startuptime));
+
+            return sb.ToString();
+        }
     }
 }
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 2843e12..aa3b1a1 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -703,6 +703,13 @@
     ; Default is false.
     ReuseDynamicTextures = false
 
+    ; If true, then textures generated dynamically that have a low data size relative to their pixel size are not reused
+    ; This is to workaround an apparent LL 3.3.4 and earlier viewer bug where such textures are not redisplayed properly when pulled from the viewer cache.
+    ; Only set this to true if you are sure that all the viewers using your simulator will not suffer from this problem.
+    ; This setting only has an affect is ReuseDynamicTextures = true
+    ; Default is false
+    ReuseDynamicLowDataTextures = false
+
 
 [ODEPhysicsSettings]
     ; ## 
diff --git a/bin/Robust.HG.ini.example b/bin/Robust.HG.ini.example
index 3eecdd9..fad399d 100644
--- a/bin/Robust.HG.ini.example
+++ b/bin/Robust.HG.ini.example
@@ -104,6 +104,12 @@ ServiceConnectors = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector,8003
     ; Region_Welcome_Area = "DefaultRegion, FallbackRegion"
     ; (replace spaces with underscore)
 
+        ;; Allow Hyperlinks to be created at the console
+    HypergridLinker = true
+
+        Gatekeeper = "http://127.0.0.1:8002"
+
+
 ; * This is the configuration for the freeswitch server in grid mode
 [FreeswitchService]
     LocalServiceModule = "OpenSim.Services.FreeswitchService.dll:FreeswitchService"
diff --git a/bin/config-include/StandaloneHypergrid.ini b/bin/config-include/StandaloneHypergrid.ini
index 75c4788..cc6c587 100644
--- a/bin/config-include/StandaloneHypergrid.ini
+++ b/bin/config-include/StandaloneHypergrid.ini
@@ -36,8 +36,6 @@
     SimulationServiceInConnector                = true
         MapImageServiceInConnector                      = true
 
-[Profile]
-    Module = "BasicProfileModule"
 
 [Messaging]
     MessageTransferModule = HGMessageTransferModule
@@ -97,6 +95,10 @@
     GridUserService = "OpenSim.Services.UserAccountService.dll:GridUserService"
     GridService = "OpenSim.Services.GridService.dll:GridService"
     InventoryService = "OpenSim.Services.InventoryService.dll:XInventoryService"
+    AvatarService = "OpenSim.Services.AvatarService.dll:AvatarService"
+
+    ;; This switch creates the minimum set of body parts and avatar entries for a viewer 2 to show a default "Ruth" avatar rather than a cloud.
+    CreateDefaultAvatarEntries = true
 
 [GridUserService]
     LocalServiceModule = "OpenSim.Services.UserAccountService.dll:GridUserService"