1 files changed, 60 insertions, 0 deletions

diff --git a/OpenSim/Data/IRegionData.cs b/OpenSim/Data/IRegionData.cs
index 7a607ab..546b5e8 100644
--- a/OpenSim/Data/IRegionData.cs
+++ b/OpenSim/Data/IRegionData.cs
@@ -37,10 +37,30 @@ namespace OpenSim.Data
         public UUID RegionID;
         public UUID ScopeID;
         public string RegionName;
+
+        /// <summary>
+        /// The position in meters of this region.
+        /// </summary>
         public int posX;
+
+        /// <summary>
+        /// The position in meters of this region.
+        /// </summary>
         public int posY;
+
         public int sizeX;
         public int sizeY;
+
+        /// <summary>
+        /// Return the x-coordinate of this region.
+        /// </summary>
+        public int coordX { get { return posX / (int)Constants.RegionSize; } }
+
+        /// <summary>
+        /// Return the y-coordinate of this region.
+        /// </summary>
+        public int coordY { get { return posY / (int)Constants.RegionSize; } }
+
         public Dictionary<string, object> Data;
     }
 
@@ -60,5 +80,45 @@ namespace OpenSim.Data
 
         bool Delete(UUID regionID);
 
+        List<RegionData> GetDefaultRegions(UUID scopeID);
+        List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y);
+        List<RegionData> GetHyperlinks(UUID scopeID);
+    }
+
+    [Flags]
+    public enum RegionFlags : int
+    {
+        DefaultRegion = 1, // Used for new Rez. Random if multiple defined
+        FallbackRegion = 2, // Regions we redirect to when the destination is down
+        RegionOnline = 4, // Set when a region comes online, unset when it unregisters and DeleteOnUnregister is false
+        NoDirectLogin = 8, // Region unavailable for direct logins (by name)
+        Persistent = 16, // Don't remove on unregister
+        LockedOut = 32, // Don't allow registration
+        NoMove = 64, // Don't allow moving this region
+        Reservation = 128, // This is an inactive reservation
+        Authenticate = 256, // Require authentication
+        Hyperlink = 512 // Record represents a HG link
+    }
+    
+    public class RegionDataDistanceCompare : IComparer<RegionData>
+    {
+        private Vector2 m_origin;
+
+        public RegionDataDistanceCompare(int x, int y)
+        {
+            m_origin = new Vector2(x, y);
+        }
+
+        public int Compare(RegionData regionA, RegionData regionB)
+        {
+            Vector2 vectorA = new Vector2(regionA.posX, regionA.posY);
+            Vector2 vectorB = new Vector2(regionB.posX, regionB.posY);
+            return Math.Sign(VectorDistance(m_origin, vectorA) - VectorDistance(m_origin, vectorB));
+        }
+
+        private float VectorDistance(Vector2 x, Vector2 y)
+        {
+            return (x - y).Length();
+        }
     }
 }