8 files changed, 107 insertions, 33 deletions

diff --git a/OpenSim/Data/Null/NullRegionData.cs b/OpenSim/Data/Null/NullRegionData.cs
index 2065355..53e5207 100644
--- a/OpenSim/Data/Null/NullRegionData.cs
+++ b/OpenSim/Data/Null/NullRegionData.cs
@@ -51,28 +51,56 @@ namespace OpenSim.Data.Null
             //Console.WriteLine("[XXX] NullRegionData constructor");
         }
 
+        private delegate bool Matcher(string value);
+
         public List<RegionData> Get(string regionName, UUID scopeID)
         {
             if (Instance != this)
                 return Instance.Get(regionName, scopeID);
 
-            List<RegionData> ret = new List<RegionData>();
+            string cleanName = regionName.ToLower();
 
-            foreach (RegionData r in m_regionData.Values)
+            // Handle SQL wildcards
+            const string wildcard = "%";
+            bool wildcardPrefix = false;
+            bool wildcardSuffix = false;
+            if (cleanName.Equals(wildcard))
             {
-                if (regionName.Contains("%"))
+                wildcardPrefix = wildcardSuffix = true;
+                cleanName = string.Empty;
+            }
+            else
+            {
+                if (cleanName.StartsWith(wildcard))
                 {
-                    string cleanname = regionName.Replace("%", "");
-                    m_log.DebugFormat("[NULL REGION DATA]: comparing {0} to {1}", cleanname.ToLower(), r.RegionName.ToLower());
-                    if (r.RegionName.ToLower().Contains(cleanname.ToLower()))
-                        ret.Add(r);
+                    wildcardPrefix = true;
+                    cleanName = cleanName.Substring(1);
                 }
-                else
+                if (regionName.EndsWith(wildcard))
                 {
-                    if (r.RegionName.ToLower() == regionName.ToLower())
-                        ret.Add(r);
+                    wildcardSuffix = true;
+                    cleanName = cleanName.Remove(cleanName.Length - 1);
                 }
             }
+            Matcher queryMatch;
+            if (wildcardPrefix && wildcardSuffix)
+                queryMatch = delegate(string s) { return s.Contains(cleanName); };
+            else if (wildcardSuffix)
+                queryMatch = delegate(string s) { return s.StartsWith(cleanName); };
+            else if (wildcardPrefix)
+                queryMatch = delegate(string s) { return s.EndsWith(cleanName); };
+            else
+                queryMatch = delegate(string s) { return s.Equals(cleanName); };
+
+            // Find region data
+            List<RegionData> ret = new List<RegionData>();
+
+            foreach (RegionData r in m_regionData.Values)
+            {
+                    m_log.DebugFormat("[NULL REGION DATA]: comparing {0} to {1}", cleanName, r.RegionName.ToLower());
+                    if (queryMatch(r.RegionName.ToLower()))
+                        ret.Add(r);
+            }
 
             if (ret.Count > 0)
                 return ret;
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 821f1a0..3f676f9 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -471,10 +471,17 @@ namespace OpenSim.Framework
         /// <param name="oldy">Old region y-coord</param>
         /// <param name="newy">New region y-coord</param>
         /// <returns></returns>        
-        public static bool IsOutsideView(uint oldx, uint newx, uint oldy, uint newy)
+        public static bool IsOutsideView(float drawdist, uint oldx, uint newx, uint oldy, uint newy)
         {
-            // Eventually this will be a function of the draw distance / camera position too.
-            return (((int)Math.Abs((int)(oldx - newx)) > 1) || ((int)Math.Abs((int)(oldy - newy)) > 1));
+            int dd = (int)((drawdist + Constants.RegionSize - 1) / Constants.RegionSize);
+
+            int startX = (int)oldx - dd;
+            int startY = (int)oldy - dd;
+
+            int endX = (int)oldx + dd;
+            int endY = (int)oldy + dd;
+
+            return (newx < startX || endX < newx || newy < startY || endY < newy);
         }
 
         public static string FieldToString(byte[] bytes)
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
index 51897d7..e622e0c 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
@@ -319,7 +319,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                     agentCircuit.Id0 = currentAgentCircuit.Id0;
                 }
 
-                if (NeedsNewAgent(oldRegionX, newRegionX, oldRegionY, newRegionY))
+                if (NeedsNewAgent(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY))
                 {
                     // brand new agent, let's create a new caps seed
                     agentCircuit.CapsPath = CapsUtil.GetRandomCapsObjectPath();
@@ -337,7 +337,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 // OK, it got this agent. Let's close some child agents
                 sp.CloseChildAgents(newRegionX, newRegionY);
                 IClientIPEndpoint ipepClient;  
-                if (NeedsNewAgent(oldRegionX, newRegionX, oldRegionY, newRegionY))
+                if (NeedsNewAgent(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY))
                 {
                     //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Creating agent...");
                     #region IP Translation for NAT
@@ -448,7 +448,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
                 // Finally, let's close this previously-known-as-root agent, when the jump is outside the view zone
 
-                if (NeedsClosing(oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
+                if (NeedsClosing(sp.DrawDistance, oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
                 {
                     Thread.Sleep(5000);
                     sp.Close();
@@ -522,14 +522,14 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             return region;
         }
 
-        protected virtual bool NeedsNewAgent(uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY)
+        protected virtual bool NeedsNewAgent(float drawdist, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY)
         {
-            return Util.IsOutsideView(oldRegionX, newRegionX, oldRegionY, newRegionY);
+            return Util.IsOutsideView(drawdist, oldRegionX, newRegionX, oldRegionY, newRegionY);
         }
 
-        protected virtual bool NeedsClosing(uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, GridRegion reg)
+        protected virtual bool NeedsClosing(float drawdist, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, GridRegion reg)
         {
-            return Util.IsOutsideView(oldRegionX, newRegionX, oldRegionY, newRegionY);
+            return Util.IsOutsideView(drawdist, oldRegionX, newRegionX, oldRegionY, newRegionY);
         }
 
         protected virtual bool IsOutsideRegion(Scene s, Vector3 pos)
@@ -1072,7 +1072,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
             if (m_regionInfo != null)
             {
-                neighbours = RequestNeighbours(sp.Scene, m_regionInfo.RegionLocX, m_regionInfo.RegionLocY);
+                neighbours = RequestNeighbours(sp, m_regionInfo.RegionLocX, m_regionInfo.RegionLocY);
             }
             else
             {
@@ -1298,8 +1298,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
         /// <param name="pRegionLocX"></param>
         /// <param name="pRegionLocY"></param>
         /// <returns></returns>        
-        protected List<GridRegion> RequestNeighbours(Scene pScene, uint pRegionLocX, uint pRegionLocY)
+        protected List<GridRegion> RequestNeighbours(ScenePresence avatar, uint pRegionLocX, uint pRegionLocY)
         {
+            Scene pScene = avatar.Scene;
             RegionInfo m_regionInfo = pScene.RegionInfo;
 
             Border[] northBorders = pScene.NorthBorders.ToArray();
@@ -1307,10 +1308,24 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             Border[] eastBorders = pScene.EastBorders.ToArray();
             Border[] westBorders = pScene.WestBorders.ToArray();
 
-            // Legacy one region.  Provided for simplicity while testing the all inclusive method in the else statement.
+            // Leaving this as a "megaregions" computation vs "non-megaregions" computation; it isn't
+            // clear what should be done with a "far view" given that megaregions already extended the
+            // view to include everything in the megaregion
             if (northBorders.Length <= 1 && southBorders.Length <= 1 && eastBorders.Length <= 1 && westBorders.Length <= 1)
             {
-                return pScene.GridService.GetNeighbours(m_regionInfo.ScopeID, m_regionInfo.RegionID);
+                int dd = avatar.DrawDistance < Constants.RegionSize ? (int)Constants.RegionSize : (int)avatar.DrawDistance;
+
+                int startX = (int)pRegionLocX * (int)Constants.RegionSize - dd + (int)(Constants.RegionSize/2);
+                int startY = (int)pRegionLocY * (int)Constants.RegionSize - dd + (int)(Constants.RegionSize/2);
+
+                int endX = (int)pRegionLocX * (int)Constants.RegionSize + dd + (int)(Constants.RegionSize/2);
+                int endY = (int)pRegionLocY * (int)Constants.RegionSize + dd + (int)(Constants.RegionSize/2);
+
+                List<GridRegion> neighbours =
+                    avatar.Scene.GridService.GetRegionRange(m_regionInfo.ScopeID, startX, endX, startY, endY);
+
+                neighbours.RemoveAll(delegate(GridRegion r) { return r.RegionID == m_regionInfo.RegionID; });
+                return neighbours;
             }
             else
             {
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
index c75bc0a..5a80100 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
@@ -130,9 +130,9 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             return region;
         }
 
-        protected override bool NeedsClosing(uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, GridRegion reg)
+        protected override bool NeedsClosing(float drawdist, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, GridRegion reg)
         {
-            if (base.NeedsClosing(oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
+            if (base.NeedsClosing(drawdist, oldRegionX, newRegionX, oldRegionY, newRegionY, reg))
                 return true;
 
             int flags = m_aScene.GridService.GetRegionFlags(m_aScene.RegionInfo.ScopeID, reg.RegionID);
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index 0163060..fcf571d 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -604,6 +604,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                 {
                     m_log.Debug("[InventoryAccessModule]: Inventory object has UUID.Zero! Position 1");
                 }
+                item.Owner = remoteClient.AgentId;
 
                 AssetBase rezAsset = m_Scene.AssetService.Get(item.AssetID.ToString());
 
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 2815f29..2e116a2 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -83,6 +83,13 @@ namespace OpenSim.Region.Framework.Scenes
         public bool m_useFlySlow;
         public bool m_usePreJump;
         public bool m_seeIntoRegionFromNeighbor;
+
+        protected float m_defaultDrawDistance = 255.0f;
+        public float DefaultDrawDistance 
+        {
+            get { return m_defaultDrawDistance; }
+        }
+        
         // TODO: need to figure out how allow client agents but deny
         // root agents when ACL denies access to root agent
         public bool m_strictAccessControl = true;
@@ -649,6 +656,8 @@ namespace OpenSim.Region.Framework.Scenes
                 //
                 IConfig startupConfig = m_config.Configs["Startup"];
 
+                m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance",m_defaultDrawDistance);
+                
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
                 // TODO: Change default to true once the feature is supported
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index fd03e93..e7056ba 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -690,7 +690,7 @@ namespace OpenSim.Region.Framework.Scenes
                 Utils.LongToUInts(handle, out x, out y);
                 x = x / Constants.RegionSize;
                 y = y / Constants.RegionSize;
-                if (Util.IsOutsideView(x, Scene.RegionInfo.RegionLocX, y, Scene.RegionInfo.RegionLocY))
+                if (Util.IsOutsideView(DrawDistance, x, Scene.RegionInfo.RegionLocX, y, Scene.RegionInfo.RegionLocY))
                 {
                     old.Add(handle);
                 }
@@ -764,6 +764,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         private ScenePresence(IClientAPI client, Scene world, RegionInfo reginfo) : this()
         {
+            m_DrawDistance = world.DefaultDrawDistance;
             m_rootRegionHandle = reginfo.RegionHandle;
             m_controllingClient = client;
             m_firstname = m_controllingClient.FirstName;
@@ -1429,7 +1430,11 @@ namespace OpenSim.Region.Framework.Scenes
             m_CameraUpAxis = agentData.CameraUpAxis;
 
             // The Agent's Draw distance setting
-            m_DrawDistance = agentData.Far;
+            // When we get to the point of re-computing neighbors everytime this
+            // changes, then start using the agent's drawdistance rather than the 
+            // region's draw distance.
+            // m_DrawDistance = agentData.Far;
+            m_DrawDistance = Scene.DefaultDrawDistance;
 
             // Check if Client has camera in 'follow cam' or 'build' mode.
             Vector3 camdif = (Vector3.One * m_bodyRot - Vector3.One * CameraRotation);
@@ -3289,7 +3294,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                         //m_log.Debug("---> x: " + x + "; newx:" + newRegionX + "; Abs:" + (int)Math.Abs((int)(x - newRegionX)));
                         //m_log.Debug("---> y: " + y + "; newy:" + newRegionY + "; Abs:" + (int)Math.Abs((int)(y - newRegionY)));
-                        if (Util.IsOutsideView(x, newRegionX, y, newRegionY))
+                        if (Util.IsOutsideView(DrawDistance, x, newRegionX, y, newRegionY))
                         {
                             byebyeRegions.Add(handle);
                         }
@@ -3365,7 +3370,12 @@ namespace OpenSim.Region.Framework.Scenes
 
             Vector3 offset = new Vector3(shiftx, shifty, 0f);
 
-            m_DrawDistance = cAgentData.Far;
+            // When we get to the point of re-computing neighbors everytime this
+            // changes, then start using the agent's drawdistance rather than the 
+            // region's draw distance.
+            // m_DrawDistance = cAgentData.Far;
+            m_DrawDistance = Scene.DefaultDrawDistance;
+            
             if (cAgentData.Position != new Vector3(-1f, -1f, -1f)) // UGH!!
                 m_pos = cAgentData.Position + offset;
 
@@ -3516,7 +3526,11 @@ namespace OpenSim.Region.Framework.Scenes
             m_CameraLeftAxis = cAgent.LeftAxis;
             m_CameraUpAxis = cAgent.UpAxis;
 
-            m_DrawDistance = cAgent.Far;
+            // When we get to the point of re-computing neighbors everytime this
+            // changes, then start using the agent's drawdistance rather than the 
+            // region's draw distance.
+            // m_DrawDistance = cAgent.Far;
+            m_DrawDistance = Scene.DefaultDrawDistance;
 
             if ((cAgent.Throttles != null) && cAgent.Throttles.Length > 0)
                 ControllingClient.SetChildAgentThrottle(cAgent.Throttles);
diff --git a/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
index 913c6c9..edc0561 100644
--- a/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
+++ b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
@@ -115,15 +115,15 @@ namespace OpenSim.Server.Handlers.Grid
                     case "get_region_flags":
                         return GetRegionFlags(request);
                 }
+                
                 m_log.DebugFormat("[GRID HANDLER]: unknown method {0} request {1}", method.Length, method);
             }
             catch (Exception e)
             {
-                m_log.DebugFormat("[GRID HANDLER]: Exception {0}", e);
+                m_log.ErrorFormat("[GRID HANDLER]: Exception {0} {1}", e.Message, e.StackTrace);
             }
 
             return FailureResult();
-
         }
 
         #region Method-specific handlers