/* Copyright (c) 2007 Michael Wright * 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; private Dictionary<ulong,RegionInfo> Grid; /// <summary> /// /// </summary> /// <param name="serve"></param> /// <param name="agentManager"></param> public GridManager(Server serve, AgentManager agentManager) { Grid=new Dictionary<ulong, RegionInfo>(); server=serve; AgentManager=agentManager; LoadGrid(); } /// <summary> /// /// </summary> /// <param name="UserInfo"></param> public void RequestMapLayer(User_Agent_info 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(User_Agent_info 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(User_Agent_info 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() { } } }