/* Copyright (c) OpenSim project, http://sim.opensecondlife.org/ * Copyright (c) <year>, <copyright holder> * All rights reserved. * * 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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 libsecondlife; using System.Collections; using libsecondlife.Packets; using libsecondlife.AssetSystem; using System.IO; using System.Xml; namespace OpenSim { /// <summary> /// Description of GridManager. /// </summary> public class GridManager { private Server _server; private System.Text.Encoding _enc = System.Text.Encoding.ASCII; private AgentManager _agentManager; public Dictionary<ulong,RegionInfo> Grid; /// <summary> /// /// </summary> /// <param name="serve"></param> /// <param name="agentManager"></param> public GridManager(Server server, AgentManager agentManager) { Grid = new Dictionary<ulong, RegionInfo>(); _server = server; _agentManager = agentManager; LoadGrid(); } /// <summary> /// /// </summary> /// <param name="UserInfo"></param> public void RequestMapLayer(UserAgentInfo userInfo) { //send a layer covering the 800,800 - 1200,1200 area MapLayerReplyPacket MapReply = new MapLayerReplyPacket(); MapReply.AgentData.AgentID = userInfo.AgentID; MapReply.AgentData.Flags = 0; MapReply.LayerData = new MapLayerReplyPacket.LayerDataBlock[1]; MapReply.LayerData[0] = new MapLayerReplyPacket.LayerDataBlock(); MapReply.LayerData[0].Bottom = 800; MapReply.LayerData[0].Left = 800; MapReply.LayerData[0].Top = 1200; MapReply.LayerData[0].Right = 1200; MapReply.LayerData[0].ImageID = new LLUUID("00000000-0000-0000-7007-000000000006"); _server.SendPacket(MapReply, true, userInfo); } /// <summary> /// /// </summary> /// <param name="UserInfo"></param> /// <param name="MinX"></param> /// <param name="MinY"></param> /// <param name="MaxX"></param> /// <param name="MaxY"></param> public void RequestMapBlock(UserAgentInfo userInfo, int minX, int minY,int maxX,int maxY) { foreach (KeyValuePair<ulong, RegionInfo> RegionPair in this.Grid) { //check Region is inside the requested area RegionInfo Region = RegionPair.Value; if(((Region.X > minX) && (Region.X < maxX)) && ((Region.Y > minY) && (Region.Y < maxY))) { MapBlockReplyPacket MapReply = new MapBlockReplyPacket(); MapReply.AgentData.AgentID = userInfo.AgentID; MapReply.AgentData.Flags = 0; MapReply.Data = new MapBlockReplyPacket.DataBlock[1]; MapReply.Data[0] = new MapBlockReplyPacket.DataBlock(); MapReply.Data[0].MapImageID = Region.ImageID; MapReply.Data[0].X = Region.X; MapReply.Data[0].Y = Region.Y; MapReply.Data[0].WaterHeight = Region.WaterHeight; MapReply.Data[0].Name = _enc.GetBytes( Region.Name); MapReply.Data[0].RegionFlags = 72458694; MapReply.Data[0].Access = 13; MapReply.Data[0].Agents = 1; _server.SendPacket(MapReply, true, userInfo); } } } /// <summary> /// /// </summary> /// <param name="UserInfo"></param> /// <param name="Request"></param> public void RequestTeleport(UserAgentInfo userInfo, TeleportLocationRequestPacket request) { if(Grid.ContainsKey(request.Info.RegionHandle)) { RegionInfo Region = Grid[request.Info.RegionHandle]; libsecondlife.Packets.TeleportStartPacket TeleportStart = new TeleportStartPacket(); TeleportStart.Info.TeleportFlags = 16; _server.SendPacket(TeleportStart, true, userInfo); libsecondlife.Packets.TeleportFinishPacket Teleport = new TeleportFinishPacket(); Teleport.Info.AgentID = userInfo.AgentID; Teleport.Info.RegionHandle = request.Info.RegionHandle; Teleport.Info.SimAccess = 13; Teleport.Info.SeedCapability = new byte[0]; System.Net.IPAddress oIP = System.Net.IPAddress.Parse(Region.IPAddress.Address); byte[] byteIP = oIP.GetAddressBytes(); uint ip=(uint)byteIP[3]<<24; ip+=(uint)byteIP[2]<<16; ip+=(uint)byteIP[1]<<8; ip+=(uint)byteIP[0]; Teleport.Info.SimIP = ip; Teleport.Info.SimPort = Region.IPAddress.Port; Teleport.Info.LocationID = 4; Teleport.Info.TeleportFlags = 1 << 4;; _server.SendPacket(Teleport, true, userInfo); this._agentManager.RemoveAgent(userInfo); } } /// <summary> /// /// </summary> private void LoadGrid() { //should connect to a space server to see what grids there are //but for now we read static xml files ulong CurrentHandle = 0; bool Login = true; XmlDocument doc = new XmlDocument(); try { doc.Load(Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "Grid.ini" )); } catch ( Exception e) { Console.WriteLine(e.Message); return; } try { XmlNode root = doc.FirstChild; if (root.Name != "Root") throw new Exception("Error: Invalid File. Missing <Root>"); XmlNode nodes = root.FirstChild; if (nodes.Name != "Grid") throw new Exception("Error: Invalid File. <project> first child should be <Grid>"); if (nodes.HasChildNodes) { foreach( XmlNode xmlnc in nodes.ChildNodes) { if(xmlnc.Name == "Region") { string xmlAttri; RegionInfo Region = new RegionInfo(); if(xmlnc.Attributes["Name"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Name")).Value; Region.Name = xmlAttri+" \0"; } if(xmlnc.Attributes["ImageID"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("ImageID")).Value; Region.ImageID = new LLUUID(xmlAttri); } if(xmlnc.Attributes["IP_Address"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Address")).Value; Region.IPAddress.Address = xmlAttri; } if(xmlnc.Attributes["IP_Port"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("IP_Port")).Value; Region.IPAddress.Port = Convert.ToUInt16(xmlAttri); } if(xmlnc.Attributes["Location_X"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_X")).Value; Region.X = Convert.ToUInt16(xmlAttri); } if(xmlnc.Attributes["Location_Y"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Location_Y")).Value; Region.Y = Convert.ToUInt16(xmlAttri); } this.Grid.Add(Region.Handle, Region); } if(xmlnc.Name == "CurrentRegion") { string xmlAttri; uint Rx = 0, Ry = 0; if(xmlnc.Attributes["RegionHandle"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("RegionHandle")).Value; CurrentHandle = Convert.ToUInt64(xmlAttri); } else { if(xmlnc.Attributes["Region_X"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_X")).Value; Rx = Convert.ToUInt32(xmlAttri); } if(xmlnc.Attributes["Region_Y"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("Region_Y")).Value; Ry = Convert.ToUInt32(xmlAttri); } } if(xmlnc.Attributes["LoginServer"] != null) { xmlAttri = ((XmlAttribute)xmlnc.Attributes.GetNamedItem("LoginServer")).Value; Login = Convert.ToBoolean(xmlAttri); } if(CurrentHandle == 0) { //no RegionHandle set //so check for Region X and Y if((Rx > 0) && (Ry > 0)) { CurrentHandle = Helpers.UIntsToLong((Rx*256), (Ry*256)); } else { //seems to be no Region location set // so set default CurrentHandle = 1096213093147648; } } } } //finished loading grid, now set Globals to current region if(CurrentHandle != 0) { if(Grid.ContainsKey(CurrentHandle)) { RegionInfo Region = Grid[CurrentHandle]; Globals.Instance.RegionHandle = Region.Handle; Globals.Instance.RegionName = Region.Name; Globals.Instance.IpPort = Region.IPAddress.Port; Globals.Instance.LoginSever = Login; } } } } catch ( Exception e) { Console.WriteLine(e.Message); return; } } } public class RegionInfo { public RegionIP IPAddress; public string Name; public ushort x; public ushort y; public ulong handle; public LLUUID ImageID; public uint Flags; public byte WaterHeight; public ushort X { get { return(x); } set { x = value; Handle = Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256)); } } public ushort Y { get { return(y); } set { y = value; Handle = Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256)); } } public ulong Handle { get { if(handle > 0) { return(handle); } else { return(Helpers.UIntsToLong((((uint)x)*256), (((uint)y)*256))); } } set { handle = value; } } public RegionInfo() { this.IPAddress = new RegionIP(); } } public class RegionIP { public string Address; public ushort Port; public RegionIP() { } } }