6 files changed, 95 insertions, 41 deletions

diff --git a/OpenSim/Framework/AvatarAppearance.cs b/OpenSim/Framework/AvatarAppearance.cs
index 5a6b265..716baab 100644
--- a/OpenSim/Framework/AvatarAppearance.cs
+++ b/OpenSim/Framework/AvatarAppearance.cs
@@ -196,6 +196,9 @@ namespace OpenSim.Framework
             if (appearance.VisualParams != null)
                 m_visualparams = (byte[])appearance.VisualParams.Clone();
 
+            m_avatarHeight = appearance.m_avatarHeight;
+            m_hipOffset = appearance.m_hipOffset;
+
             // Copy the attachment, force append mode since that ensures consistency
             m_attachments = new Dictionary<int, List<AvatarAttachment>>();
             foreach (AvatarAttachment attachment in appearance.GetAttachments())
@@ -237,7 +240,6 @@ namespace OpenSim.Framework
         {
             m_serial = 0;
 
-            SetDefaultParams();
             SetDefaultTexture();
             
             //for (int i = 0; i < BAKE_INDICES.Length; i++)
diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 4c007d6..0e41535 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -760,7 +760,10 @@ namespace OpenSim.Framework
                                                 "Clamp prims to max size", "false", true);
 
             configMember.addConfigurationOption("object_capacity", ConfigurationOption.ConfigurationTypes.TYPE_INT32,
-                                                "Max objects this sim will hold", "0", true);
+                                                "Max objects this sim will hold", "15000", true);
+            
+            configMember.addConfigurationOption("agent_capacity", ConfigurationOption.ConfigurationTypes.TYPE_INT32,
+                                                "Max avatars this sim will hold", "100", true);
 
             configMember.addConfigurationOption("scope_id", ConfigurationOption.ConfigurationTypes.TYPE_UUID,
                                                 "Scope ID for this region", UUID.Zero.ToString(), true);
diff --git a/OpenSim/Region/CoreModules/Avatar/AvatarFactory/AvatarFactoryModule.cs b/OpenSim/Region/CoreModules/Avatar/AvatarFactory/AvatarFactoryModule.cs
index 75dbeb8..995a552 100644
--- a/OpenSim/Region/CoreModules/Avatar/AvatarFactory/AvatarFactoryModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/AvatarFactory/AvatarFactoryModule.cs
@@ -210,7 +210,7 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
                     changed = sp.Appearance.SetVisualParams(visualParams);
                     if (sp.Appearance.AvatarHeight > 0)
                         sp.SetHeight(sp.Appearance.AvatarHeight);
-                }
+                    }
 
                 // Process the baked texture array
                 if (textureEntry != null)
@@ -224,12 +224,12 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
                     // update transaction. In theory, we should be able to do an immediate
                     // appearance send and save here.
 
-                    // save only if there were changes, send no matter what (doesn't hurt to send twice)
-                    if (changed)
-                        QueueAppearanceSave(client.AgentId);
-
-                    QueueAppearanceSend(client.AgentId);
                 }
+                                // save only if there were changes, send no matter what (doesn't hurt to send twice)
+                                if (changed)
+                                        QueueAppearanceSave(client.AgentId);
+
+                                QueueAppearanceSend(client.AgentId);
             }
 
             // m_log.WarnFormat("[AVFACTORY]: complete SetAppearance for {0}:\n{1}",client.AgentId,sp.Appearance.ToString());
@@ -387,11 +387,11 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
             // m_log.WarnFormat("[AVFACTORY]: AvatarIsWearing called for {0}", client.AgentId);
 
             // we need to clean out the existing textures
-            sp.Appearance.ResetAppearance(); 
+            sp.Appearance.ResetAppearance();
 
-            // operate on a copy of the appearance so we don't have to lock anything
+            // operate on a copy of the appearance so we don't have to lock anything yet
             AvatarAppearance avatAppearance = new AvatarAppearance(sp.Appearance, false);
-            
+
             foreach (AvatarWearingArgs.Wearable wear in e.NowWearing)
             {
                 if (wear.Type < AvatarWearable.MAX_WEARABLES)
@@ -403,12 +403,19 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
             // This could take awhile since it needs to pull inventory
             SetAppearanceAssets(sp.UUID, ref avatAppearance);
 
-            // could get fancier with the locks here, but in the spirit of "last write wins"
-            // this should work correctly, also, we don't need to send the appearance here
-            // since the "iswearing" will trigger a new set of visual param and baked texture changes
-            // when those complete, the new appearance will be sent
-            sp.Appearance = avatAppearance;
-            QueueAppearanceSave(client.AgentId);
+            lock (m_setAppearanceLock)
+            {
+                // Update only those fields that we have changed. This is important because the viewer
+                // often sends AvatarIsWearing and SetAppearance packets at once, and AvatarIsWearing
+                // shouldn't overwrite the changes made in SetAppearance.
+                sp.Appearance.Wearables = avatAppearance.Wearables;
+                sp.Appearance.Texture = avatAppearance.Texture;
+
+                // We don't need to send the appearance here since the "iswearing" will trigger a new set
+                // of visual param and baked texture changes. When those complete, the new appearance will be sent
+
+                QueueAppearanceSave(client.AgentId);
+            }
         }
 
         private void SetAppearanceAssets(UUID userID, ref AvatarAppearance appearance)
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index 6e142bb..fac2dab 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -1110,14 +1110,12 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
             if (data == null)
                 return;
             
-            UUID lastMapRegionUUID = m_scene.RegionInfo.RegionSettings.TerrainImageID;
-
             m_log.Debug("[WORLDMAP]: STORING MAPTILE IMAGE");
 
-            m_scene.RegionInfo.RegionSettings.TerrainImageID = UUID.Random();
+            UUID terrainImageID = UUID.Random();
 
             AssetBase asset = new AssetBase(
-                m_scene.RegionInfo.RegionSettings.TerrainImageID,
+                terrainImageID,
                 "terrainImage_" + m_scene.RegionInfo.RegionID.ToString(),
                 (sbyte)AssetType.Texture,
                 m_scene.RegionInfo.RegionID.ToString());
@@ -1129,6 +1127,10 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
             // Store the new one
             m_log.DebugFormat("[WORLDMAP]: Storing map tile {0}", asset.ID);
             m_scene.AssetService.Store(asset);
+            
+            // Switch to the new one
+            UUID lastMapRegionUUID = m_scene.RegionInfo.RegionSettings.TerrainImageID;
+            m_scene.RegionInfo.RegionSettings.TerrainImageID = terrainImageID;
             m_scene.RegionInfo.RegionSettings.Save();
             
             // Delete the old one
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 6e66632..32a2887 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1672,20 +1672,20 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_sceneGridService.SetScene(this);
 
-            // If we generate maptiles internally at all, the maptile generator
-            // will register the region. If not, do it here
-            if (m_generateMaptiles)
+            GridRegion region = new GridRegion(RegionInfo);
+            string error = GridService.RegisterRegion(RegionInfo.ScopeID, region);
+            if (error != String.Empty)
             {
-                RegenerateMaptile(null, null);
+                throw new Exception(error);
             }
-            else
+
+            // Generate the maptile asynchronously, because sometimes it can be very slow and we
+            // don't want this to delay starting the region.
+            if (m_generateMaptiles)
             {
-                GridRegion region = new GridRegion(RegionInfo);
-                string error = GridService.RegisterRegion(RegionInfo.ScopeID, region);
-                if (error != String.Empty)
-                {
-                    throw new Exception(error);
-                }
+                Util.FireAndForget(delegate {
+                    RegenerateMaptile(null, null);
+                });
             }
         }
 
diff --git a/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs b/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
index f1da4fa..fdab254 100644
--- a/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
@@ -48,6 +48,13 @@ namespace OpenSim.Services.Connectors
         private string m_ServerURI = String.Empty;
         private IImprovedAssetCache m_Cache = null;
 
+        private delegate void AssetRetrievedEx(AssetBase asset);
+
+        // Keeps track of concurrent requests for the same asset, so that it's only loaded once.
+        // Maps: Asset ID -> Handlers which will be called when the asset has been loaded
+        private Dictionary<string, AssetRetrievedEx> m_AssetHandlers = new Dictionary<string, AssetRetrievedEx>();
+
+
         public AssetServicesConnector()
         {
         }
@@ -178,23 +185,56 @@ namespace OpenSim.Services.Connectors
 
             if (asset == null)
             {
-                bool result = false;
-
-                AsynchronousRestObjectRequester.
-                        MakeRequest<int, AssetBase>("GET", uri, 0,
+                lock (m_AssetHandlers)
+                {
+                    AssetRetrievedEx handlerEx = new AssetRetrievedEx(delegate(AssetBase _asset) { handler(id, sender, _asset); });
+
+                    AssetRetrievedEx handlers;
+                    if (m_AssetHandlers.TryGetValue(id, out handlers))
+                    {
+                        // Someone else is already loading this asset. It will notify our handler when done.
+                        handlers += handlerEx;
+                        return true;
+                    }
+
+                    // Load the asset ourselves
+                    handlers += handlerEx;
+                    m_AssetHandlers.Add(id, handlers);
+                }
+
+                bool success = false;
+                try
+                {
+                    AsynchronousRestObjectRequester.MakeRequest<int, AssetBase>("GET", uri, 0,
                         delegate(AssetBase a)
                         {
                             if (m_Cache != null)
                                 m_Cache.Cache(a);
-                            handler(id, sender, a);
-                            result = true;
-                        });
 
-                return result;
+                            AssetRetrievedEx handlers;
+                            lock (m_AssetHandlers)
+                            {
+                                handlers = m_AssetHandlers[id];
+                                m_AssetHandlers.Remove(id);
+                            }
+                            handlers.Invoke(a);
+                        });
+                    
+                    success = true;
+                }
+                finally
+                {
+                    if (!success)
+                    {
+                        lock (m_AssetHandlers)
+                        {
+                            m_AssetHandlers.Remove(id);
+                        }
+                    }
+                }
             }
             else
             {
-                //Util.FireAndForget(delegate { handler(id, sender, asset); });
                 handler(id, sender, asset);
             }