1 files changed, 73 insertions, 0 deletions

diff --git a/OpenSim/Data/MySQL/MySQLRegionData.cs b/OpenSim/Data/MySQL/MySQLRegionData.cs
index 2ad7590..3dc049b 100644
--- a/OpenSim/Data/MySQL/MySQLRegionData.cs
+++ b/OpenSim/Data/MySQL/MySQLRegionData.cs
@@ -82,6 +82,7 @@ namespace OpenSim.Data.MySQL
 
         public RegionData Get(int posX, int posY, UUID scopeID)
         {
+/* fixed size regions
             string command = "select * from `"+m_Realm+"` where locX = ?posX and locY = ?posY";
             if (scopeID != UUID.Zero)
                 command += " and ScopeID = ?scopeID";
@@ -98,6 +99,45 @@ namespace OpenSim.Data.MySQL
 
                 return ret[0];
             }
+*/
+            // extend database search for maximum region size area
+            string command = "select * from `" + m_Realm + "` where locX between ?startX and ?endX and locY between ?startY and ?endY";
+            if (scopeID != UUID.Zero)
+                command += " and ScopeID = ?scopeID";
+
+            int startX = posX - (int)Constants.MaximumRegionSize;
+            int startY = posY - (int)Constants.MaximumRegionSize;
+            int endX = posX;
+            int endY = posY;
+
+            List<RegionData> ret;
+            using (MySqlCommand cmd = new MySqlCommand(command))
+            {
+                cmd.Parameters.AddWithValue("?startX", startX.ToString());
+                cmd.Parameters.AddWithValue("?startY", startY.ToString());
+                cmd.Parameters.AddWithValue("?endX", endX.ToString());
+                cmd.Parameters.AddWithValue("?endY", endY.ToString());
+                cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
+
+                ret = RunCommand(cmd);
+            }
+
+            if (ret.Count == 0)
+                return null;
+
+            // find the first that contains pos
+            RegionData rg = null;
+            foreach (RegionData r in ret)
+            {
+                if (posX >= r.posX && posX < r.posX + r.sizeX
+                    && posY >= r.posY && posY < r.posY + r.sizeY)
+                {
+                    rg = r;
+                    break;
+                }
+            }
+
+            return rg;
         }
 
         public RegionData Get(UUID regionID, UUID scopeID)
@@ -121,6 +161,7 @@ namespace OpenSim.Data.MySQL
 
         public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID)
         {
+/* fix size regions
             string command = "select * from `"+m_Realm+"` where locX between ?startX and ?endX and locY between ?startY and ?endY";
             if (scopeID != UUID.Zero)
                 command += " and ScopeID = ?scopeID";
@@ -135,6 +176,38 @@ namespace OpenSim.Data.MySQL
 
                 return RunCommand(cmd);
             }
+ */
+            string command = "select * from `" + m_Realm + "` where locX between ?startX and ?endX and locY between ?startY and ?endY";
+            if (scopeID != UUID.Zero)
+                command += " and ScopeID = ?scopeID";
+
+            int qstartX = startX - (int)Constants.MaximumRegionSize;
+            int qstartY = startY - (int)Constants.MaximumRegionSize;
+
+            List<RegionData> dbret;
+            using (MySqlCommand cmd = new MySqlCommand(command))
+            {
+                cmd.Parameters.AddWithValue("?startX", qstartX.ToString());
+                cmd.Parameters.AddWithValue("?startY", qstartY.ToString());
+                cmd.Parameters.AddWithValue("?endX", endX.ToString());
+                cmd.Parameters.AddWithValue("?endY", endY.ToString());
+                cmd.Parameters.AddWithValue("?scopeID", scopeID.ToString());
+
+                dbret = RunCommand(cmd);
+            }
+
+            List<RegionData> ret = new List<RegionData>();
+
+            if (dbret.Count == 0)
+                return ret;
+
+            foreach (RegionData r in dbret)
+            {
+                if (r.posX + r.sizeX > startX && r.posX <= endX
+                    && r.posY + r.sizeX > startY && r.posY <= endY)
+                    ret.Add(r);
+            }
+            return ret;
         }
 
         public List<RegionData> RunCommand(MySqlCommand cmd)