OpenSimMirror/GridManager.cs

373 lines
12 KiB
C#

/*
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()
{
}
}
}