/* * 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 System.Reflection; using log4net; using Nini.Config; using OpenMetaverse; using OpenSim.Framework; using OpenSim.Region.CoreModules.World.WorldMap; using OpenSim.Region.Framework.Interfaces; using OpenSim.Region.Framework.Scenes; using GridRegion = OpenSim.Services.Interfaces.GridRegion; namespace OpenSim.Region.CoreModules.Hypergrid { public class HGWorldMapModule : WorldMapModule { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); // Remember the map area that each client has been exposed to in this region private Dictionary<UUID, List<MapBlockData>> m_SeenMapBlocks = new Dictionary<UUID, List<MapBlockData>>(); #region INonSharedRegionModule Members public override void Initialise(IConfigSource config) { IConfig startupConfig = config.Configs["Startup"]; if (startupConfig.GetString("WorldMapModule", "WorldMap") == "HGWorldMap") m_Enabled = true; } public override void AddRegion(Scene scene) { base.AddRegion(scene); scene.EventManager.OnClientClosed += new EventManager.ClientClosed(EventManager_OnClientClosed); } public override string Name { get { return "HGWorldMap"; } } #endregion void EventManager_OnClientClosed(UUID clientID, Scene scene) { ScenePresence sp = scene.GetScenePresence(clientID); if (sp != null) { if (m_SeenMapBlocks.ContainsKey(clientID)) { List<MapBlockData> mapBlocks = m_SeenMapBlocks[clientID]; foreach (MapBlockData b in mapBlocks) { b.Name = string.Empty; b.Access = 254; // means 'simulator is offline'. We need this because the viewer ignores 255's } m_log.DebugFormat("[HG MAP]: Reseting {0} blocks", mapBlocks.Count); sp.ControllingClient.SendMapBlock(mapBlocks, 0); m_SeenMapBlocks.Remove(clientID); } } } protected override List<MapBlockData> GetAndSendBlocksInternal(IClientAPI remoteClient, int minX, int minY, int maxX, int maxY, uint flag) { List<MapBlockData> mapBlocks = base.GetAndSendBlocksInternal(remoteClient, minX, minY, maxX, maxY, flag); lock (m_SeenMapBlocks) { if (!m_SeenMapBlocks.ContainsKey(remoteClient.AgentId)) { m_SeenMapBlocks.Add(remoteClient.AgentId, mapBlocks); } else { List<MapBlockData> seen = m_SeenMapBlocks[remoteClient.AgentId]; List<MapBlockData> newBlocks = new List<MapBlockData>(); foreach (MapBlockData b in mapBlocks) if (seen.Find(delegate(MapBlockData bdata) { return bdata.X == b.X && bdata.Y == b.Y; }) == null) newBlocks.Add(b); seen.AddRange(newBlocks); } } return mapBlocks; } } class MapArea { public int minX; public int minY; public int maxX; public int maxY; public MapArea(int mix, int miy, int max, int may) { minX = mix; minY = miy; maxX = max; maxY = may; } public void Print() { Console.WriteLine(String.Format(" --> Area is minX={0} minY={1} minY={2} maxY={3}", minX, minY, maxY, maxY)); } } }