373 lines
12 KiB
C#
373 lines
12 KiB
C#
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/*
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Copyright (c) 2007 Michael Wright
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* Copyright (c) <year>, <copyright holder>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using libsecondlife;
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using System.Collections;
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using libsecondlife.Packets;
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using libsecondlife.AssetSystem;
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using System.IO;
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using System.Xml;
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namespace OpenSim
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{
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/// <summary>
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/// Description of GridManager.
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/// </summary>
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public class GridManager
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{
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private Server server;
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private System.Text.Encoding enc = System.Text.Encoding.ASCII;
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private AgentManager AgentManager;
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private Dictionary<ulong,RegionInfo> Grid;
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/// <summary>
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///
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/// </summary>
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/// <param name="serve"></param>
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/// <param name="agentManager"></param>
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public GridManager(Server serve, AgentManager agentManager)
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{
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Grid=new Dictionary<ulong, RegionInfo>();
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server=serve;
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AgentManager=agentManager;
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LoadGrid();
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="UserInfo"></param>
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public void RequestMapLayer(User_Agent_info UserInfo)
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{
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//send a layer covering the 800,800 - 1200,1200 area
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MapLayerReplyPacket MapReply=new MapLayerReplyPacket();
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MapReply.AgentData.AgentID=UserInfo.AgentID;
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MapReply.AgentData.Flags=0;
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MapReply.LayerData=new MapLayerReplyPacket.LayerDataBlock[1];
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MapReply.LayerData[0]=new MapLayerReplyPacket.LayerDataBlock();
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MapReply.LayerData[0].Bottom=800;
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MapReply.LayerData[0].Left=800;
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MapReply.LayerData[0].Top=1200;
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MapReply.LayerData[0].Right=1200;
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MapReply.LayerData[0].ImageID=new LLUUID("00000000-0000-0000-7007-000000000006");
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server.SendPacket(MapReply,true,UserInfo);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="UserInfo"></param>
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/// <param name="MinX"></param>
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/// <param name="MinY"></param>
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/// <param name="MaxX"></param>
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/// <param name="MaxY"></param>
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public void RequestMapBlock(User_Agent_info UserInfo, int MinX, int MinY,int MaxX,int MaxY)
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{
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foreach (KeyValuePair<ulong,RegionInfo> RegionPair in this.Grid)
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{
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//check Region is inside the requested area
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RegionInfo Region=RegionPair.Value;
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if(((Region.X>MinX) && (Region.X<MaxX)) && ((Region.Y>MinY) && (Region.Y<MaxY)))
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{
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MapBlockReplyPacket MapReply=new MapBlockReplyPacket();
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MapReply.AgentData.AgentID=UserInfo.AgentID;
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MapReply.AgentData.Flags=0;
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MapReply.Data=new MapBlockReplyPacket.DataBlock[1];
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MapReply.Data[0]=new MapBlockReplyPacket.DataBlock();
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MapReply.Data[0].MapImageID=Region.ImageID;
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MapReply.Data[0].X=Region.X;
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MapReply.Data[0].Y=Region.Y;
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MapReply.Data[0].WaterHeight=Region.WaterHeight;
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MapReply.Data[0].Name=enc.GetBytes( Region.Name);
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MapReply.Data[0].RegionFlags=72458694;
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MapReply.Data[0].Access=13;
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MapReply.Data[0].Agents=1;
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server.SendPacket(MapReply,true,UserInfo);
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="UserInfo"></param>
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/// <param name="Request"></param>
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public void RequestTeleport(User_Agent_info UserInfo, TeleportLocationRequestPacket Request)
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{
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if(Grid.ContainsKey(Request.Info.RegionHandle))
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{
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RegionInfo Region=Grid[Request.Info.RegionHandle];
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libsecondlife.Packets.TeleportStartPacket TeleportStart=new TeleportStartPacket();
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TeleportStart.Info.TeleportFlags=16;
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server.SendPacket(TeleportStart,true,UserInfo);
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libsecondlife.Packets.TeleportFinishPacket Teleport=new TeleportFinishPacket();
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Teleport.Info.AgentID=UserInfo.AgentID;
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Teleport.Info.RegionHandle=Request.Info.RegionHandle;
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Teleport.Info.SimAccess=13;
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Teleport.Info.SeedCapability=new byte[0];
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System.Net.IPAddress oIP=System.Net.IPAddress.Parse(Region.IPAddress.Address);
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byte[] byteIP=oIP.GetAddressBytes();
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uint ip=(uint)byteIP[3]<<24;
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ip+=(uint)byteIP[2]<<16;
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ip+=(uint)byteIP[1]<<8;
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ip+=(uint)byteIP[0];
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Teleport.Info.SimIP=ip;
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Teleport.Info.SimPort=Region.IPAddress.Port;
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Teleport.Info.LocationID=4;
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Teleport.Info.TeleportFlags= 1 << 4;;
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server.SendPacket(Teleport,true,UserInfo);
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this.AgentManager.RemoveAgent(UserInfo);
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}
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}
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/// <summary>
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///
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/// </summary>
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private void LoadGrid()
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{
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//should connect to a space server to see what grids there are
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//but for now we read static xml files
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ulong CurrentHandle=0;
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bool Login=true;
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XmlDocument doc = new XmlDocument();
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try {
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doc.Load(Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory,"Grid.ini" ));
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}
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catch ( Exception e)
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{
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Console.WriteLine(e.Message);
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return;
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}
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try
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{
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XmlNode root = doc.FirstChild;
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if (root.Name != "Root")
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throw new Exception("Error: Invalid File. Missing <Root>");
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XmlNode nodes = root.FirstChild;
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if (nodes.Name != "Grid")
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throw new Exception("Error: Invalid File. <project> first child should be <Grid>");
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if (nodes.HasChildNodes) {
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foreach( XmlNode xmlnc in nodes.ChildNodes)
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{
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if(xmlnc.Name=="Region")
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{
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string xmlAttri;
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RegionInfo Region=new RegionInfo();
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if(xmlnc.Attributes["Name"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("Name")).Value;
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Region.Name=xmlAttri+" \0";
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}
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if(xmlnc.Attributes["ImageID"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("ImageID")).Value;
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Region.ImageID=new LLUUID(xmlAttri);
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}
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if(xmlnc.Attributes["IP_Address"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Address")).Value;
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Region.IPAddress.Address=xmlAttri;
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}
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if(xmlnc.Attributes["IP_Port"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Port")).Value;
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Region.IPAddress.Port=Convert.ToUInt16(xmlAttri);
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}
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if(xmlnc.Attributes["Location_X"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_X")).Value;
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Region.X=Convert.ToUInt16(xmlAttri);
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}
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if(xmlnc.Attributes["Location_Y"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_Y")).Value;
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Region.Y=Convert.ToUInt16(xmlAttri);
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}
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this.Grid.Add(Region.Handle,Region);
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}
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if(xmlnc.Name=="CurrentRegion")
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{
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string xmlAttri;
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uint Rx=0,Ry=0;
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if(xmlnc.Attributes["RegionHandle"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("RegionHandle")).Value;
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CurrentHandle=Convert.ToUInt64(xmlAttri);
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}
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else
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{
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if(xmlnc.Attributes["Region_X"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_X")).Value;
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Rx=Convert.ToUInt32(xmlAttri);
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}
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if(xmlnc.Attributes["Region_Y"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_Y")).Value;
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Ry=Convert.ToUInt32(xmlAttri);
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}
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}
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if(xmlnc.Attributes["LoginServer"]!=null)
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{
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xmlAttri=((XmlAttribute)xmlnc.Attributes.GetNamedItem("LoginServer")).Value;
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Login=Convert.ToBoolean(xmlAttri);
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}
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if(CurrentHandle==0)
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{
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//no RegionHandle set
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//so check for Region X and Y
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if((Rx >0) && (Ry>0))
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{
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CurrentHandle=Helpers.UIntsToLong((Rx*256),(Ry*256));
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}
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else
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{
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//seems to be no Region location set
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// so set default
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CurrentHandle=1096213093147648;
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}
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}
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}
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}
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//finished loading grid, now set Globals to current region
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if(CurrentHandle!=0)
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{
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if(Grid.ContainsKey(CurrentHandle))
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{
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RegionInfo Region=Grid[CurrentHandle];
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Globals.Instance.RegionHandle=Region.Handle;
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Globals.Instance.RegionName=Region.Name;
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Globals.Instance.IpPort=Region.IPAddress.Port;
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Globals.Instance.LoginSever=Login;
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}
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}
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}
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}
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catch ( Exception e)
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{
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Console.WriteLine(e.Message);
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return;
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}
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}
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}
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public class RegionInfo
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{
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public RegionIP IPAddress;
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public string Name;
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public ushort x;
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public ushort y;
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public ulong handle;
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public LLUUID ImageID;
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public uint Flags;
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public byte WaterHeight;
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public ushort X
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{
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get
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{
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return(x);
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}
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set
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{
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x=value;
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Handle=Helpers.UIntsToLong((((uint)x)*256),(((uint)y)*256));
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}
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}
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public ushort Y
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{
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get
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{
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return(y);
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}
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set
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{
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y=value;
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Handle=Helpers.UIntsToLong((((uint)x)*256),(((uint)y)*256));
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}
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}
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public ulong Handle
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{
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get
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{
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if(handle>0)
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{
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return(handle);
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}
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else
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{
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return(Helpers.UIntsToLong((((uint)x)*256),(((uint)y)*256)));
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}
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}
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set
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{
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handle=value;
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}
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}
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public RegionInfo()
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{
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this.IPAddress=new RegionIP();
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}
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}
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public class RegionIP
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{
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public string Address;
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public ushort Port;
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public RegionIP()
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{
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}
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}
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}
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