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1/*
2Copyright (c) OpenSim project, http://sim.opensecondlife.org/
3
4* Copyright (c) <year>, <copyright holder>
5* All rights reserved.
6*
7* Redistribution and use in source and binary forms, with or without
8* modification, are permitted provided that the following conditions are met:
9* * Redistributions of source code must retain the above copyright
10* notice, this list of conditions and the following disclaimer.
11* * Redistributions in binary form must reproduce the above copyright
12* notice, this list of conditions and the following disclaimer in the
13* documentation and/or other materials provided with the distribution.
14* * Neither the name of the <organization> nor the
15* names of its contributors may be used to endorse or promote products
16* derived from this software without specific prior written permission.
17*
18* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
19* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
22* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*/
29
30using System;
31using System.Collections.Generic;
32using libsecondlife;
33using System.Collections;
34using libsecondlife.Packets;
35using libsecondlife.AssetSystem;
36using System.IO;
37using System.Xml;
38
39
40namespace OpenSim
41{
42 /// <summary>
43 /// Description of GridManager.
44 /// </summary>
45 public class GridManager
46 {
47 private Server _server;
48 private System.Text.Encoding _enc = System.Text.Encoding.ASCII;
49 private AgentManager _agentManager;
50 public Dictionary<ulong,RegionInfo> Grid;
51
52 /// <summary>
53 ///
54 /// </summary>
55 /// <param name="serve"></param>
56 /// <param name="agentManager"></param>
57 public GridManager(Server server, AgentManager agentManager)
58 {
59 Grid = new Dictionary<ulong, RegionInfo>();
60 _server = server;
61 _agentManager = agentManager;
62 LoadGrid();
63 }
64
65 /// <summary>
66 ///
67 /// </summary>
68 /// <param name="UserInfo"></param>
69 public void RequestMapLayer(UserAgentInfo userInfo)
70 {
71 //send a layer covering the 800,800 - 1200,1200 area
72 MapLayerReplyPacket MapReply = new MapLayerReplyPacket();
73 MapReply.AgentData.AgentID = userInfo.AgentID;
74 MapReply.AgentData.Flags = 0;
75 MapReply.LayerData = new MapLayerReplyPacket.LayerDataBlock[1];
76 MapReply.LayerData[0] = new MapLayerReplyPacket.LayerDataBlock();
77 MapReply.LayerData[0].Bottom = 800;
78 MapReply.LayerData[0].Left = 800;
79 MapReply.LayerData[0].Top = 1200;
80 MapReply.LayerData[0].Right = 1200;
81 MapReply.LayerData[0].ImageID = new LLUUID("00000000-0000-0000-7007-000000000006");
82 _server.SendPacket(MapReply, true, userInfo);
83 }
84
85 /// <summary>
86 ///
87 /// </summary>
88 /// <param name="UserInfo"></param>
89 /// <param name="MinX"></param>
90 /// <param name="MinY"></param>
91 /// <param name="MaxX"></param>
92 /// <param name="MaxY"></param>
93 public void RequestMapBlock(UserAgentInfo userInfo, int minX, int minY,int maxX,int maxY)
94 {
95 foreach (KeyValuePair<ulong, RegionInfo> RegionPair in this.Grid)
96 {
97 //check Region is inside the requested area
98 RegionInfo Region = RegionPair.Value;
99 if(((Region.X > minX) && (Region.X < maxX)) && ((Region.Y > minY) && (Region.Y < maxY)))
100 {
101 MapBlockReplyPacket MapReply = new MapBlockReplyPacket();
102 MapReply.AgentData.AgentID = userInfo.AgentID;
103 MapReply.AgentData.Flags = 0;
104 MapReply.Data = new MapBlockReplyPacket.DataBlock[1];
105 MapReply.Data[0] = new MapBlockReplyPacket.DataBlock();
106 MapReply.Data[0].MapImageID = Region.ImageID;
107 MapReply.Data[0].X = Region.X;
108 MapReply.Data[0].Y = Region.Y;
109 MapReply.Data[0].WaterHeight = Region.WaterHeight;
110 MapReply.Data[0].Name = _enc.GetBytes( Region.Name);
111 MapReply.Data[0].RegionFlags = 72458694;
112 MapReply.Data[0].Access = 13;
113 MapReply.Data[0].Agents = 1;
114 _server.SendPacket(MapReply, true, userInfo);
115 }
116 }
117
118 }
119
120 /// <summary>
121 ///
122 /// </summary>
123 /// <param name="UserInfo"></param>
124 /// <param name="Request"></param>
125 public void RequestTeleport(UserAgentInfo userInfo, TeleportLocationRequestPacket request)
126 {
127 if(Grid.ContainsKey(request.Info.RegionHandle))
128 {
129 RegionInfo Region = Grid[request.Info.RegionHandle];
130 libsecondlife.Packets.TeleportStartPacket TeleportStart = new TeleportStartPacket();
131 TeleportStart.Info.TeleportFlags = 16;
132 _server.SendPacket(TeleportStart, true, userInfo);
133
134 libsecondlife.Packets.TeleportFinishPacket Teleport = new TeleportFinishPacket();
135 Teleport.Info.AgentID = userInfo.AgentID;
136 Teleport.Info.RegionHandle = request.Info.RegionHandle;
137 Teleport.Info.SimAccess = 13;
138 Teleport.Info.SeedCapability = new byte[0];
139
140 System.Net.IPAddress oIP = System.Net.IPAddress.Parse(Region.IPAddress.Address);
141 byte[] byteIP = oIP.GetAddressBytes();
142 uint ip=(uint)byteIP[3]<<24;
143 ip+=(uint)byteIP[2]<<16;
144 ip+=(uint)byteIP[1]<<8;
145 ip+=(uint)byteIP[0];
146
147 Teleport.Info.SimIP = ip;
148 Teleport.Info.SimPort = Region.IPAddress.Port;
149 Teleport.Info.LocationID = 4;
150 Teleport.Info.TeleportFlags = 1 << 4;;
151 _server.SendPacket(Teleport, true, userInfo);
152
153 this._agentManager.RemoveAgent(userInfo);
154 }
155
156 }
157
158 /// <summary>
159 ///
160 /// </summary>
161 private void LoadGrid()
162 {
163 //should connect to a space server to see what grids there are
164 //but for now we read static xml files
165 ulong CurrentHandle = 0;
166 bool Login = true;
167
168 XmlDocument doc = new XmlDocument();
169
170 try {
171 doc.Load(Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "Grid.ini" ));
172 }
173 catch ( Exception e)
174 {
175 Console.WriteLine(e.Message);
176 return;
177 }
178
179 try
180 {
181 XmlNode root = doc.FirstChild;
182 if (root.Name != "Root")
183 throw new Exception("Error: Invalid File. Missing <Root>");
184
185 XmlNode nodes = root.FirstChild;
186 if (nodes.Name != "Grid")
187 throw new Exception("Error: Invalid File. <project> first child should be <Grid>");
188
189 if (nodes.HasChildNodes) {
190 foreach( XmlNode xmlnc in nodes.ChildNodes)
191 {
192 if(xmlnc.Name == "Region")
193 {
194 string xmlAttri;
195 RegionInfo Region = new RegionInfo();
196 if(xmlnc.Attributes["Name"] != null)
197 {
198 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Name")).Value;
199 Region.Name = xmlAttri+" \0";
200 }
201 if(xmlnc.Attributes["ImageID"] != null)
202 {
203 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("ImageID")).Value;
204 Region.ImageID = new LLUUID(xmlAttri);
205 }
206 if(xmlnc.Attributes["IP_Address"] != null)
207 {
208 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Address")).Value;
209 Region.IPAddress.Address = xmlAttri;
210 }
211 if(xmlnc.Attributes["IP_Port"] != null)
212 {
213 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Port")).Value;
214 Region.IPAddress.Port = Convert.ToUInt16(xmlAttri);
215 }
216 if(xmlnc.Attributes["Location_X"] != null)
217 {
218 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_X")).Value;
219 Region.X = Convert.ToUInt16(xmlAttri);
220 }
221 if(xmlnc.Attributes["Location_Y"] != null)
222 {
223 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_Y")).Value;
224 Region.Y = Convert.ToUInt16(xmlAttri);
225 }
226
227 this.Grid.Add(Region.Handle, Region);
228
229 }
230 if(xmlnc.Name == "CurrentRegion")
231 {
232
233 string xmlAttri;
234 uint Rx = 0, Ry = 0;
235 if(xmlnc.Attributes["RegionHandle"] != null)
236 {
237 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("RegionHandle")).Value;
238 CurrentHandle = Convert.ToUInt64(xmlAttri);
239
240 }
241 else
242 {
243 if(xmlnc.Attributes["Region_X"] != null)
244 {
245 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_X")).Value;
246 Rx = Convert.ToUInt32(xmlAttri);
247 }
248 if(xmlnc.Attributes["Region_Y"] != null)
249 {
250 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_Y")).Value;
251 Ry = Convert.ToUInt32(xmlAttri);
252 }
253 }
254 if(xmlnc.Attributes["LoginServer"] != null)
255 {
256 xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("LoginServer")).Value;
257 Login = Convert.ToBoolean(xmlAttri);
258
259 }
260 if(CurrentHandle == 0)
261 {
262 //no RegionHandle set
263 //so check for Region X and Y
264 if((Rx > 0) && (Ry > 0))
265 {
266 CurrentHandle = Helpers.UIntsToLong((Rx*256), (Ry*256));
267 }
268 else
269 {
270 //seems to be no Region location set
271 // so set default
272 CurrentHandle = 1096213093147648;
273 }
274 }
275 }
276 }
277
278 //finished loading grid, now set Globals to current region
279 if(CurrentHandle != 0)
280 {
281 if(Grid.ContainsKey(CurrentHandle))
282 {
283 RegionInfo Region = Grid[CurrentHandle];
284 Globals.Instance.RegionHandle = Region.Handle;
285 Globals.Instance.RegionName = Region.Name;
286 Globals.Instance.IpPort = Region.IPAddress.Port;
287 Globals.Instance.LoginSever = Login;
288 }
289 }
290
291 }
292 }
293 catch ( Exception e)
294 {
295 Console.WriteLine(e.Message);
296 return;
297 }
298 }
299 }
300
301 public class RegionInfo
302 {
303 public RegionIP IPAddress;
304 public string Name;
305 public ushort x;
306 public ushort y;
307 public ulong handle;
308 public LLUUID ImageID;
309 public uint Flags;
310 public byte WaterHeight;
311
312 public ushort X
313 {
314 get
315 {
316 return(x);
317 }
318 set
319 {
320 x = value;
321 Handle = Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256));
322 }
323 }
324 public ushort Y
325 {
326 get
327 {
328 return(y);
329 }
330 set
331 {
332 y = value;
333 Handle = Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256));
334 }
335 }
336 public ulong Handle
337 {
338 get
339 {
340 if(handle > 0)
341 {
342 return(handle);
343 }
344 else
345 {
346 return(Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256)));
347 }
348 }
349 set
350 {
351 handle = value;
352 }
353
354 }
355
356 public RegionInfo()
357 {
358 this.IPAddress = new RegionIP();
359 }
360 }
361 public class RegionIP
362 {
363 public string Address;
364 public ushort Port;
365
366 public RegionIP()
367 {
368
369 }
370
371 }
372}
generated by cgit v1.1 at 2024-11-08 21:45:21 +0000