2 files changed, 51 insertions, 33 deletions

diff --git a/OpenSim/Services/GridService/GridService.cs b/OpenSim/Services/GridService/GridService.cs
index e72b7f9..8198592 100644
--- a/OpenSim/Services/GridService/GridService.cs
+++ b/OpenSim/Services/GridService/GridService.cs
@@ -313,8 +313,10 @@ namespace OpenSim.Services.GridService
             if (region != null)
             {
                 // Not really? Maybe?
-                List<RegionData> rdatas = m_Database.Get(region.posX - (int)Constants.RegionSize - 1, region.posY - (int)Constants.RegionSize - 1, 
-                    region.posX + (int)Constants.RegionSize + 1, region.posY + (int)Constants.RegionSize + 1, scopeID);
+                // The adjacent regions are presumed to be the same size as the current region
+                List<RegionData> rdatas = m_Database.Get(
+                    region.posX - region.sizeX - 1, region.posY - region.sizeY - 1, 
+                    region.posX + region.sizeX + 1, region.posY + region.sizeY + 1, scopeID);
 
                 foreach (RegionData rdata in rdatas)
                 {
@@ -347,6 +349,11 @@ namespace OpenSim.Services.GridService
             return null;
         }
 
+        // Get a region given its base coordinates.
+        // NOTE: this is NOT 'get a region by some point in the region'. The coordinate MUST
+        //     be the base coordinate of the region.
+        // The snapping is technically unnecessary but is harmless because regions are always
+        //     multiples of the legacy region size (256).
         public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
         {
             int snapX = (int)(x / Constants.RegionSize) * (int)Constants.RegionSize;
@@ -441,6 +448,8 @@ namespace OpenSim.Services.GridService
             RegionData rdata = new RegionData();
             rdata.posX = (int)rinfo.RegionLocX;
             rdata.posY = (int)rinfo.RegionLocY;
+            rdata.sizeX = rinfo.RegionSizeX;
+            rdata.sizeY = rinfo.RegionSizeY;
             rdata.RegionID = rinfo.RegionID;
             rdata.RegionName = rinfo.RegionName;
             rdata.Data = rinfo.ToKeyValuePairs();
@@ -454,6 +463,8 @@ namespace OpenSim.Services.GridService
             GridRegion rinfo = new GridRegion(rdata.Data);
             rinfo.RegionLocX = rdata.posX;
             rinfo.RegionLocY = rdata.posY;
+            rinfo.RegionSizeX = rdata.sizeX;
+            rinfo.RegionSizeY = rdata.sizeY;
             rinfo.RegionID = rdata.RegionID;
             rinfo.RegionName = rdata.RegionName;
             rinfo.ScopeID = rdata.ScopeID;
@@ -633,20 +644,20 @@ namespace OpenSim.Services.GridService
                 return;
             }
 
-            int x, y;
-            if (!int.TryParse(cmd[3], out x))
+            uint x, y;
+            if (!uint.TryParse(cmd[3], out x))
             {
                 MainConsole.Instance.Output("x-coord must be an integer");
                 return;
             }
 
-            if (!int.TryParse(cmd[4], out y))
+            if (!uint.TryParse(cmd[4], out y))
             {
                 MainConsole.Instance.Output("y-coord must be an integer");
                 return;
             }
 
-            RegionData region = m_Database.Get(x * (int)Constants.RegionSize, y * (int)Constants.RegionSize, UUID.Zero);
+            RegionData region = m_Database.Get((int)Util.RegionToWorldLoc(x), (int)Util.RegionToWorldLoc(y), UUID.Zero);

             if (region == null)
             {
                 MainConsole.Instance.OutputFormat("No region found at {0},{1}", x, y);
diff --git a/OpenSim/Services/GridService/HypergridLinker.cs b/OpenSim/Services/GridService/HypergridLinker.cs
index 4024295..4ebfd5c 100644
--- a/OpenSim/Services/GridService/HypergridLinker.cs
+++ b/OpenSim/Services/GridService/HypergridLinker.cs
@@ -183,8 +183,8 @@ namespace OpenSim.Services.GridService
         public GridRegion LinkRegion(UUID scopeID, string regionDescriptor)
         {
             string reason = string.Empty;
-            int xloc = random.Next(0, Int16.MaxValue) * (int)Constants.RegionSize;
-            return TryLinkRegionToCoords(scopeID, regionDescriptor, xloc, 0, out reason);
+            uint xloc = Util.RegionToWorldLoc((uint)random.Next(0, Int16.MaxValue));
+            return TryLinkRegionToCoords(scopeID, regionDescriptor, (int)xloc, 0, out reason);
         }
 
         private static Random random = new Random();
@@ -260,7 +260,7 @@ namespace OpenSim.Services.GridService
         {
             m_log.DebugFormat("[HYPERGRID LINKER]: Link to {0} {1}, in {2}-{3}", 
                 ((serverURI == null) ? (externalHostName + ":" + externalPort) : serverURI),
-                remoteRegionName, xloc / Constants.RegionSize, yloc / Constants.RegionSize);
+                remoteRegionName, Util.WorldToRegionLoc((uint)xloc), Util.WorldToRegionLoc((uint)yloc));
 
             reason = string.Empty;
             Uri uri = null;
@@ -311,7 +311,7 @@ namespace OpenSim.Services.GridService
             if (region != null)
             {
                 m_log.WarnFormat("[HYPERGRID LINKER]: Coordinates {0}-{1} are already occupied by region {2} with uuid {3}",
-                    regInfo.RegionLocX / Constants.RegionSize, regInfo.RegionLocY / Constants.RegionSize,
+                    Util.WorldToRegionLoc((uint)regInfo.RegionLocX), Util.WorldToRegionLoc((uint)regInfo.RegionLocY),
                     region.RegionName, region.RegionID);
                 reason = "Coordinates are already in use";
                 return false;
@@ -347,7 +347,7 @@ namespace OpenSim.Services.GridService
             if (region != null)
             {
                 m_log.DebugFormat("[HYPERGRID LINKER]: Region already exists in coordinates {0} {1}",
-                    region.RegionLocX / Constants.RegionSize, region.RegionLocY / Constants.RegionSize);
+                    Util.WorldToRegionLoc((uint)regInfo.RegionLocX), Util.WorldToRegionLoc((uint)regInfo.RegionLocY));
                 regInfo = region;
                 return true;
             }
@@ -424,10 +424,10 @@ namespace OpenSim.Services.GridService
 //        {
 //            uint ux = 0, uy = 0;
 //            Utils.LongToUInts(realHandle, out ux, out uy);
-//            x = ux / Constants.RegionSize;
-//            y = uy / Constants.RegionSize;
+//            x = Util.WorldToRegionLoc(ux);
+//            y = Util.WorldToRegionLoc(uy);
 //
-//            const uint limit = (4096 - 1) * Constants.RegionSize;
+//            const uint limit = Util.RegionToWorldLoc(4096 - 1);
 //            uint xmin = ux - limit;
 //            uint xmax = ux + limit;
 //            uint ymin = uy - limit;
@@ -502,9 +502,14 @@ namespace OpenSim.Services.GridService
             MainConsole.Instance.Output(new string('-', 72));
             foreach (RegionData r in regions)
             {
-                MainConsole.Instance.Output(String.Format("{0}\n{2,-32} {1}\n",
-                        r.RegionName, r.RegionID, String.Format("{0},{1} ({2},{3})", r.posX, r.posY,
-                            r.posX / Constants.RegionSize, r.posY / Constants.RegionSize)));
+                MainConsole.Instance.Output(
+                    String.Format("{0}\n{2,-32} {1}\n",
+                        r.RegionName, r.RegionID, 
+                        String.Format("{0},{1} ({2},{3})", r.posX, r.posY,
+                                    Util.WorldToRegionLoc((uint)r.posX), Util.WorldToRegionLoc((uint)r.posY)
+                        )
+                    )
+                );
             }
             return;
         }
@@ -529,8 +534,8 @@ namespace OpenSim.Services.GridService
             int xloc, yloc;
             string serverURI;
             string remoteName = null;
-            xloc = Convert.ToInt32(cmdparams[0]) * (int)Constants.RegionSize;
-            yloc = Convert.ToInt32(cmdparams[1]) * (int)Constants.RegionSize;
+            xloc = (int)Util.RegionToWorldLoc((uint)Convert.ToInt32(cmdparams[0]));
+            yloc = (int)Util.RegionToWorldLoc((uint)Convert.ToInt32(cmdparams[1]));
             serverURI = cmdparams[2];
             if (cmdparams.Length > 3)
                 remoteName = string.Join(" ", cmdparams, 3, cmdparams.Length - 3);
@@ -601,13 +606,13 @@ namespace OpenSim.Services.GridService
                 {
                     // old format
                     GridRegion regInfo;
-                    int xloc, yloc;
+                    uint xloc, yloc;
                     uint externalPort;
                     string externalHostName;
                     try
                     {
-                        xloc = Convert.ToInt32(cmdparams[0]);
-                        yloc = Convert.ToInt32(cmdparams[1]);
+                        xloc = Convert.ToUInt32(cmdparams[0]);
+                        yloc = Convert.ToUInt32(cmdparams[1]);
                         externalPort = Convert.ToUInt32(cmdparams[3]);
                         externalHostName = cmdparams[2];
                         //internalPort = Convert.ToUInt32(cmdparams[4]);
@@ -621,10 +626,11 @@ namespace OpenSim.Services.GridService
                     }
 
                     // Convert cell coordinates given by the user to meters
-                    xloc = xloc * (int)Constants.RegionSize;
-                    yloc = yloc * (int)Constants.RegionSize;
+                    xloc = Util.RegionToWorldLoc(xloc);
+                    yloc = Util.RegionToWorldLoc(yloc);
                     string reason = string.Empty;
-                    if (TryCreateLink(UUID.Zero, xloc, yloc, string.Empty, externalPort, externalHostName, UUID.Zero, out regInfo, out reason))
+                    if (TryCreateLink(UUID.Zero, (int)xloc, (int)yloc,
+                                    string.Empty, externalPort, externalHostName, UUID.Zero, out regInfo, out reason))
                     {
                         // What is this? The GridRegion instance will be discarded anyway,
                         // which effectively ignores any local name given with the command.
@@ -704,13 +710,13 @@ namespace OpenSim.Services.GridService
         private void ReadLinkFromConfig(IConfig config)
         {
             GridRegion regInfo;
-            int xloc, yloc;
+            uint xloc, yloc;
             uint externalPort;
             string externalHostName;
             uint realXLoc, realYLoc;
 
-            xloc = Convert.ToInt32(config.GetString("xloc", "0"));
-            yloc = Convert.ToInt32(config.GetString("yloc", "0"));
+            xloc = Convert.ToUInt32(config.GetString("xloc", "0"));
+            yloc = Convert.ToUInt32(config.GetString("yloc", "0"));
             externalPort = Convert.ToUInt32(config.GetString("externalPort", "0"));
             externalHostName = config.GetString("externalHostName", "");
             realXLoc = Convert.ToUInt32(config.GetString("real-xloc", "0"));
@@ -718,18 +724,19 @@ namespace OpenSim.Services.GridService
 
             if (m_enableAutoMapping)
             {
-                xloc = (int)((xloc % 100) + m_autoMappingX);
-                yloc = (int)((yloc % 100) + m_autoMappingY);
+                xloc = (xloc % 100) + m_autoMappingX;
+                yloc = (yloc % 100) + m_autoMappingY;
             }
 
             if (((realXLoc == 0) && (realYLoc == 0)) ||
                 (((realXLoc - xloc < 3896) || (xloc - realXLoc < 3896)) &&
                  ((realYLoc - yloc < 3896) || (yloc - realYLoc < 3896))))
             {
-                xloc = xloc * (int)Constants.RegionSize;
-                yloc = yloc * (int)Constants.RegionSize;
+                xloc = Util.RegionToWorldLoc(xloc);
+                yloc = Util.RegionToWorldLoc(yloc);
                 string reason = string.Empty;
-                if (TryCreateLink(UUID.Zero, xloc, yloc, string.Empty, externalPort, externalHostName, UUID.Zero, out regInfo, out reason))
+                if (TryCreateLink(UUID.Zero, (int)xloc, (int)yloc,
+                                string.Empty, externalPort, externalHostName, UUID.Zero, out regInfo, out reason))
                 {
                     regInfo.RegionName = config.GetString("localName", "");
                 }