1 files changed, 110 insertions, 0 deletions

diff --git a/OpenSim/Data/IRegionData.cs b/OpenSim/Data/IRegionData.cs
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+++ b/OpenSim/Data/IRegionData.cs
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+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Data
+{
+    public class RegionData
+    {
+        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 in region units.
+        /// </summary>
+        public int coordX { get { return (int)Util.WorldToRegionLoc((uint)posX); } }
+
+        /// <summary>
+        /// Return the y-coordinate of this region in region units.
+        /// </summary>
+        public int coordY { get { return (int)Util.WorldToRegionLoc((uint)posY); } }
+
+        public Dictionary<string, object> Data;
+    }
+
+    /// <summary>
+    /// An interface for connecting to the authentication datastore
+    /// </summary>
+    public interface IRegionData 
+    {
+        RegionData Get(UUID regionID, UUID ScopeID);
+        List<RegionData> Get(string regionName, UUID ScopeID);
+        RegionData Get(int x, int y, UUID ScopeID);
+        List<RegionData> Get(int xStart, int yStart, int xEnd, int yEnd, UUID ScopeID);
+
+        bool Store(RegionData data);
+
+        bool SetDataItem(UUID principalID, string item, string value);
+
+        bool Delete(UUID regionID);
+
+        List<RegionData> GetDefaultRegions(UUID scopeID);
+        List<RegionData> GetDefaultHypergridRegions(UUID scopeID);
+        List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y);
+        List<RegionData> GetHyperlinks(UUID scopeID);
+    }
+
+    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();
+        }
+    }
+}