aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/CoreModules/Hypergrid/HGWorldMapModule.cs
blob: 79a409dad5f8afc5aca4bdcae4e2e3d33555a589 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/*
 * 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 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;

            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;
                        b.Access = 254; // means 'simulator is offline'. We need this because the viewer ignores 255's
                    }

                    m_log.DebugFormat("[HG MAP]: Resetting {0} blocks", mapBlocks.Count);
                    sp.ControllingClient.SendMapBlock(mapBlocks, 0);
                    m_SeenMapBlocks.Remove(clientID);
                }
            }
        }

        protected override List<MapBlockData> GetAndSendBlocks(IClientAPI remoteClient, int minX, int minY, int maxX, int maxY, uint flag)
        {
            List<MapBlockData>  mapBlocks = base.GetAndSendBlocks(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));
        }
    }
}