From 35a23ab74f7898feade934ff275795a12e4c22fe Mon Sep 17 00:00:00 2001
From: Homer Horwitz
Date: Thu, 2 Oct 2008 22:20:17 +0000
Subject: Added the first version of the MapSearchModule, which allows you to
 search for regions in the in-world map. It currently only returns the first
 region that matches the search string; in a future version it will return
 more search results. Note: File added; run runprebuild.

---
 .../Modules/World/WorldMap/MapSearchModule.cs      | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs

diff --git a/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs b/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs
new file mode 100644
index 0000000..9a522ff
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs
@@ -0,0 +1,119 @@
+/*
+ * 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 OpenSim 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.Reflection;
+using System.Collections.Generic;
+using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+
+namespace OpenSim.Region.Environment.Modules.World.WorldMap
+{
+    public class MapSearchModule : IRegionModule
+    {
+        private static readonly ILog m_log =
+            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        Scene m_scene = null; // only need one for communication with GridService
+
+        #region IRegionModule Members
+        public void Initialise(Scene scene, IConfigSource source)
+        {
+            if (m_scene == null) m_scene = scene;
+            scene.EventManager.OnNewClient += OnNewClient;
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+            m_scene = null;
+        }
+
+        public string Name
+        {
+            get { return "MapSearchModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        private void OnNewClient(IClientAPI client)
+        {
+            client.OnMapNameRequest += OnMapNameRequest;
+        }
+
+        private void OnMapNameRequest(IClientAPI remoteClient, string mapName)
+        {
+            m_log.DebugFormat("[MAPSEARCH]: looking for region {0}", mapName);
+
+            // TODO currently, this only returns one region per name. LL servers will return all starting with the provided name.
+            RegionInfo info = m_scene.SceneGridService.RequestClosestRegion(mapName);
+            // fetch the mapblock of the named sim. We need this anyway (we have the map open, and just jumped to the sim),
+            // so there shouldn't be any penalty for that.
+            List<MapBlockData> mapBlocks = m_scene.SceneGridService.RequestNeighbourMapBlocks((int)info.RegionLocX,
+                                                                                              (int)info.RegionLocY,
+                                                                                              (int)info.RegionLocX,
+                                                                                              (int)info.RegionLocY);
+
+            List<MapBlockData> blocks = new List<MapBlockData>();
+
+            MapBlockData data = new MapBlockData();
+            data.Agents = 3; // TODO set to number of agents in region
+            data.Access = 21; // TODO what's this?
+            data.MapImageId = mapBlocks.Count == 0 ? UUID.Zero : mapBlocks[0].MapImageId;
+            data.Name = info.RegionName;
+            data.RegionFlags = 0; // TODO fix this
+            data.WaterHeight = 0; // not used
+            data.X = (ushort)info.RegionLocX;
+            data.Y = (ushort)info.RegionLocY;
+            blocks.Add(data);
+
+            data = new MapBlockData();
+            data.Agents = 0;
+            data.Access = 255;
+            data.MapImageId = UUID.Zero;
+            data.Name = mapName;
+            data.RegionFlags = 0;
+            data.WaterHeight = 0; // not used
+            data.X = 0;
+            data.Y = 0;
+            blocks.Add(data);
+
+            remoteClient.SendMapBlock(blocks, 0);
+        }
+    }
+}
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