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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 System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using Mono.Addins;
using OpenSim.Framework;
using OpenSim.Region.CoreModules.World.WorldMap;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
namespace OpenSim.Region.CoreModules.Hypergrid
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "HGWorldMapModule")]
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>>();
private string m_MapImageServerURL = string.Empty;
private IUserManagement m_UserManagement;
#region INonSharedRegionModule Members
public override void Initialise(IConfigSource source)
{
if (Util.GetConfigVarFromSections<string>(
source, "WorldMapModule", new string[] { "Map", "Startup" }, "WorldMap") == "HGWorldMap")
{
m_Enabled = true;
m_MapImageServerURL = Util.GetConfigVarFromSections<string>(source, "MapTileURL", new string[] {"LoginService", "HGWorldMap", "SimulatorFeatures"});
if (!string.IsNullOrEmpty(m_MapImageServerURL))
{
m_MapImageServerURL = m_MapImageServerURL.Trim();
if (!m_MapImageServerURL.EndsWith("/"))
m_MapImageServerURL = m_MapImageServerURL + "/";
}
}
}
public override void AddRegion(Scene scene)
{
if (!m_Enabled)
return;
base.AddRegion(scene);
scene.EventManager.OnClientClosed += EventManager_OnClientClosed;
}
public override void RegionLoaded(Scene scene)
{
if (!m_Enabled)
return;
base.RegionLoaded(scene);
ISimulatorFeaturesModule featuresModule = m_scene.RequestModuleInterface<ISimulatorFeaturesModule>();
if (featuresModule != null)
featuresModule.OnSimulatorFeaturesRequest += OnSimulatorFeaturesRequest;
m_UserManagement = m_scene.RequestModuleInterface<IUserManagement>();
}
public override void RemoveRegion(Scene scene)
{
if (!m_Enabled)
return;
base.RemoveRegion(scene);
scene.EventManager.OnClientClosed -= 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;
// Set 'simulator is offline'. We need this because the viewer ignores SimAccess.Unknown (255)
b.Access = (byte)SimAccess.Down;
}
m_log.DebugFormat("[HG MAP]: Resetting {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;
}
private void OnSimulatorFeaturesRequest(UUID agentID, ref OSDMap features)
{
if (m_UserManagement != null && !string.IsNullOrEmpty(m_MapImageServerURL) && !m_UserManagement.IsLocalGridUser(agentID))
{
OSD extras = new OSDMap();
if (features.ContainsKey("OpenSimExtras"))
extras = features["OpenSimExtras"];
else
features["OpenSimExtras"] = extras;
((OSDMap)extras)["map-server-url"] = m_MapImageServerURL;
}
}
}
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));
}
}
}
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