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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.Collections.Generic;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
namespace OpenSim.Region.CoreModules.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
List<Scene> m_scenes = new List<Scene>();
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource source)
{
if (m_scene == null)
{
m_scene = scene;
}
m_scenes.Add(scene);
scene.EventManager.OnNewClient += OnNewClient;
}
public void PostInitialise()
{
}
public void Close()
{
m_scene = null;
m_scenes.Clear();
}
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, uint flags)
{
if (mapName.Length < 3)
{
remoteClient.SendAlertMessage("Use a search string with at least 3 characters");
return;
}
//m_log.DebugFormat("MAP NAME=({0})", mapName);
// Hack to get around the fact that ll V3 now drops the port from the
// map name. See https://jira.secondlife.com/browse/VWR-28570
//
// Caller, use this form instead:
// secondlife://mygrid.com|8002+Region+Name/128/128
// the hacks we do with this viewer...
//
if (mapName.Contains("|"))
mapName = mapName.Replace('|', ':');
if (mapName.Contains("+"))
mapName = mapName.Replace('+', ' ');
// try to fetch from GridServer
List<GridRegion> regionInfos = m_scene.GridService.GetRegionsByName(m_scene.RegionInfo.ScopeID, mapName, 20);
if (regionInfos.Count == 0)
remoteClient.SendAlertMessage("Hyperlink could not be established.");
m_log.DebugFormat("[MAPSEARCHMODULE]: search {0} returned {1} regions. Flags={2}", mapName, regionInfos.Count, flags);
List<MapBlockData> blocks = new List<MapBlockData>();
MapBlockData data;
if (regionInfos.Count > 0)
{
foreach (GridRegion info in regionInfos)
{
data = new MapBlockData();
data.Agents = 0;
data.Access = info.Access;
if (flags == 2) // V2 sends this
data.MapImageId = UUID.Zero;
else
data.MapImageId = info.TerrainImage;
data.Name = info.RegionName;
data.RegionFlags = 0; // TODO not used?
data.WaterHeight = 0; // not used
data.X = (ushort)(info.RegionLocX / Constants.RegionSize);
data.Y = (ushort)(info.RegionLocY / Constants.RegionSize);
blocks.Add(data);
}
}
// final block, closing the search result
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);
// flags are agent flags sent from the viewer.
// they have different values depending on different viewers, apparently
remoteClient.SendMapBlock(blocks, flags);
}
// private Scene GetClientScene(IClientAPI client)
// {
// foreach (Scene s in m_scenes)
// {
// if (client.Scene.RegionInfo.RegionHandle == s.RegionInfo.RegionHandle)
// return s;
// }
// return m_scene;
// }
}
}
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