8 files changed, 120 insertions, 57 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 2dcc9cb..7e51638 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -4525,7 +4525,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     {
                         returnblock[j] = new EstateOwnerMessagePacket.ParamListBlock();
                     }
-                    j = 0;
+                    j = 0; 
 
                     returnblock[j].Parameter = Utils.StringToBytes(estateID.ToString()); j++;
                     returnblock[j].Parameter = Utils.StringToBytes(((int)Constants.EstateAccessCodex.EstateBans).ToString()); j++;
diff --git a/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
index 13b7498..3eedf49 100644
--- a/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs
@@ -186,63 +186,79 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data,
                                           string extraParams, int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face)
         {
-            if (RenderPlugins.ContainsKey(contentType))
-            {
-                // If we want to reuse dynamic textures then we have to ignore any request from the caller to expire
-                // them.
-                if (ReuseTextures)
-                    disp = disp & ~DISP_EXPIRE;
+            if (!RenderPlugins.ContainsKey(contentType))
+                return UUID.Zero;
 
-                DynamicTextureUpdater updater = new DynamicTextureUpdater();
-                updater.SimUUID = simID;
-                updater.PrimID = primID;
-                updater.ContentType = contentType;
-                updater.BodyData = data;
-                updater.UpdateTimer = updateTimer;
-                updater.UpdaterID = UUID.Random();
-                updater.Params = extraParams;
-                updater.BlendWithOldTexture = SetBlending;
-                updater.FrontAlpha = AlphaValue;
-                updater.Face = face;
-                updater.Url = "Local image";
-                updater.Disp = disp;
+            Scene scene;
+            RegisteredScenes.TryGetValue(simID, out scene);
 
-                object reusableTextureUUID = null;
+            if (scene == null)
+                return UUID.Zero;
 
-                if (ReuseTextures)
-                    reusableTextureUUID
-                        = m_reuseableDynamicTextures.Get(GenerateReusableTextureKey(data, extraParams));
+            SceneObjectPart part = scene.GetSceneObjectPart(primID);
+
+            if (part == null)
+                return UUID.Zero;
+
+            // If we want to reuse dynamic textures then we have to ignore any request from the caller to expire
+            // them.
+            if (ReuseTextures)
+                disp = disp & ~DISP_EXPIRE;
+
+            DynamicTextureUpdater updater = new DynamicTextureUpdater();
+            updater.SimUUID = simID;
+            updater.PrimID = primID;
+            updater.ContentType = contentType;
+            updater.BodyData = data;
+            updater.UpdateTimer = updateTimer;
+            updater.UpdaterID = UUID.Random();
+            updater.Params = extraParams;
+            updater.BlendWithOldTexture = SetBlending;
+            updater.FrontAlpha = AlphaValue;
+            updater.Face = face;
+            updater.Url = "Local image";
+            updater.Disp = disp;
+
+            object objReusableTextureUUID = null;
+
+            if (ReuseTextures && !updater.BlendWithOldTexture)
+            {
+                string reuseableTextureKey = GenerateReusableTextureKey(data, extraParams);
+                objReusableTextureUUID = m_reuseableDynamicTextures.Get(reuseableTextureKey);
 
-                // We cannot reuse a dynamic texture if the data is going to be blended with something already there.
-                if (reusableTextureUUID == null || updater.BlendWithOldTexture)
+                if (objReusableTextureUUID != null)
                 {
-                    lock (Updaters)
+                    // If something else has removed this temporary asset from the cache, detect and invalidate
+                    // our cached uuid.
+                    if (scene.AssetService.GetMetadata(objReusableTextureUUID.ToString()) == null)
                     {
-                        if (!Updaters.ContainsKey(updater.UpdaterID))
-                        {
-                            Updaters.Add(updater.UpdaterID, updater);
-                        }
+                        m_reuseableDynamicTextures.Invalidate(reuseableTextureKey);
+                        objReusableTextureUUID = null;
                     }
-
-                    RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
                 }
-                else
+            }
+
+            // We cannot reuse a dynamic texture if the data is going to be blended with something already there.
+            if (objReusableTextureUUID == null)
+            {
+                lock (Updaters)
                 {
-                    // No need to add to updaters as the texture is always the same.  Not that this functionality
-                    // apppears to be implemented anyway.
-                    if (RegisteredScenes.ContainsKey(updater.SimUUID))
+                    if (!Updaters.ContainsKey(updater.UpdaterID))
                     {
-                        SceneObjectPart part = RegisteredScenes[updater.SimUUID].GetSceneObjectPart(updater.PrimID);
-
-                        if (part != null)
-                            updater.UpdatePart(part, (UUID)reusableTextureUUID);
+                        Updaters.Add(updater.UpdaterID, updater);
                     }
                 }
 
-                return updater.UpdaterID;
+                RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
             }
-            
-            return UUID.Zero;
+            else
+            {
+                // 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);
+            }
+
+            return updater.UpdaterID;
         }
 
         private string GenerateReusableTextureKey(string data, string extraParams)
@@ -267,6 +283,10 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 
         public void Initialise(Scene scene, IConfigSource config)
         {
+            IConfig texturesConfig = config.Configs["Textures"];
+            if (texturesConfig != null)
+                ReuseTextures = texturesConfig.GetBoolean("ReuseDynamicTextures", false);
+
             if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
             {
                 RegisteredScenes.Add(scene.RegionInfo.RegionID, scene);
@@ -276,7 +296,6 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 
         public void PostInitialise()
         {
-//            ReuseTextures = true;
             if (ReuseTextures)
             {
                 m_reuseableDynamicTextures = new Cache(CacheMedium.Memory, CacheStrategy.Conservative);
diff --git a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
index e0e358a..32a4c88 100644
--- a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
@@ -58,6 +58,7 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
         public string body;
         public int responseCode;
         public string responseBody;
+        public string responseType = "text/plain";
         //public ManualResetEvent ev;
         public bool requestDone;
         public int startTime;
@@ -270,6 +271,22 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
             }
         }
         
+        public void HttpContentType(UUID request, string type)
+        {
+            lock (m_UrlMap)
+            {
+                if (m_RequestMap.ContainsKey(request))
+                {
+                    UrlData urlData = m_RequestMap[request];
+                    urlData.requests[request].responseType = type;
+                }
+                else
+                {
+                    m_log.Info("[HttpRequestHandler] There is no http-in request with id " + request.ToString());
+                }
+            }
+        }
+        
         public void HttpResponse(UUID request, int status, string body)
         {
             lock (m_RequestMap)
diff --git a/OpenSim/Region/Framework/Interfaces/IUrlModule.cs b/OpenSim/Region/Framework/Interfaces/IUrlModule.cs
index 457444c..79e9f9d 100644
--- a/OpenSim/Region/Framework/Interfaces/IUrlModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IUrlModule.cs
@@ -39,6 +39,8 @@ namespace OpenSim.Region.Framework.Interfaces
         UUID RequestSecureURL(IScriptModule engine, SceneObjectPart host, UUID itemID);
         void ReleaseURL(string url);
         void HttpResponse(UUID request, int status, string body);
+        void HttpContentType(UUID request, string type);
+        
         string GetHttpHeader(UUID request, string header);
         int GetFreeUrls();
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 4335592..d528160 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -10903,31 +10903,30 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public LSL_Float llListStatistics(int operation, LSL_List src)
         {
             m_host.AddScriptLPS(1);
-            LSL_List nums = LSL_List.ToDoubleList(src);
             switch (operation)
             {
                 case ScriptBaseClass.LIST_STAT_RANGE:
-                    return nums.Range();
+                    return src.Range();
                 case ScriptBaseClass.LIST_STAT_MIN:
-                    return nums.Min();
+                    return src.Min();
                 case ScriptBaseClass.LIST_STAT_MAX:
-                    return nums.Max();
+                    return src.Max();
                 case ScriptBaseClass.LIST_STAT_MEAN:
-                    return nums.Mean();
+                    return src.Mean();
                 case ScriptBaseClass.LIST_STAT_MEDIAN:
-                    return nums.Median();
+                    return LSL_List.ToDoubleList(src).Median();
                 case ScriptBaseClass.LIST_STAT_NUM_COUNT:
-                    return nums.NumericLength();
+                    return src.NumericLength();
                 case ScriptBaseClass.LIST_STAT_STD_DEV:
-                    return nums.StdDev();
+                    return src.StdDev();
                 case ScriptBaseClass.LIST_STAT_SUM:
-                    return nums.Sum();
+                    return src.Sum();
                 case ScriptBaseClass.LIST_STAT_SUM_SQUARES:
-                    return nums.SumSqrs();
+                    return src.SumSqrs();
                 case ScriptBaseClass.LIST_STAT_GEOMETRIC_MEAN:
-                    return nums.GeometricMean();
+                    return src.GeometricMean();
                 case ScriptBaseClass.LIST_STAT_HARMONIC_MEAN:
-                    return nums.HarmonicMean();
+                    return src.HarmonicMean();
                 default:
                     return 0.0;
             }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index ceff889..7aacfd4 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -141,6 +141,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         internal bool m_debuggerSafe = false;
         internal Dictionary<string, FunctionPerms > m_FunctionPerms = new Dictionary<string, FunctionPerms >();
 
+        protected IUrlModule m_UrlModule = null;
+
         public void Initialize(IScriptEngine ScriptEngine, SceneObjectPart host, TaskInventoryItem item)
         {
             m_ScriptEngine = ScriptEngine;
@@ -148,6 +150,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             m_item = item;
             m_debuggerSafe = m_ScriptEngine.Config.GetBoolean("DebuggerSafe", false);
 
+            m_UrlModule = m_ScriptEngine.World.RequestModuleInterface<IUrlModule>();
+
             if (m_ScriptEngine.Config.GetBoolean("AllowOSFunctions", false))
                 m_OSFunctionsEnabled = true;
 
@@ -3406,5 +3410,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
             return new LSL_Key(m_host.ParentGroup.FromPartID.ToString());
         }
+ 
+        /// <summary>
+        /// Sets the response type for an HTTP request/response
+        /// </summary>
+        /// <returns></returns>
+        public void osSetContentType(LSL_Key id, string type)
+        {
+            CheckThreatLevel(ThreatLevel.High,"osSetResponseType");
+            if (m_UrlModule != null)
+                m_UrlModule.HttpContentType(new UUID(id),type);
+        }
     }
 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
index d0e041c..07149b6 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
@@ -365,5 +365,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         /// </summary>
         /// <returns>Rezzing object key or NULL_KEY if rezzed by agent or otherwise unknown.</returns>
         LSL_Key osGetRezzingObject();
+
+        /// <summary>
+        /// Sets the response type for an HTTP request/response
+        /// </summary>
+        /// <returns></returns>
+        void osSetContentType(LSL_Key id, string type);
     }
 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index e9131e4..ba1ade2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -955,5 +955,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         {
             return m_OSSL_Functions.osGetRezzingObject();
         }
+
+        public void osSetContentType(LSL_Key id, string type)
+        {
+            m_OSSL_Functions.osSetContentType(id,type);
+        }
     }
 }