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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 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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