OpenSimMirror/OpenSim/Region/DataSnapshot/LandSnapshot.cs

268 lines
12 KiB
C#

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* 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 OpenSim Project 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 THE DEVELOPERS ``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 THE CONTRIBUTORS 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 System.Text;
using System.Xml;
using System.Reflection;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Region.Environment.Modules.LandManagement;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Framework.Communications;
using libsecondlife;
using libsecondlife.Packets;
namespace OpenSim.Region.DataSnapshot
{
public class LandSnapshot : IDataSnapshotProvider
{
private Scene m_scene = null;
private DataSnapshotManager m_parent = null;
//private Dictionary<int, Land> m_landIndexed = new Dictionary<int, Land>();
private log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
#region Dead code
/*
* David, I don't think we need this at all. When we do the snapshot, we can
* simply look into the parcels that are marked for ShowDirectory -- see
* conditional in RequestSnapshotData
*
//Revise this, look for more direct way of checking for change in land
#region Client hooks
public void OnNewClient(IClientAPI client)
{
//Land hooks
client.OnParcelDivideRequest += ParcelSplitHook;
client.OnParcelJoinRequest += ParcelSplitHook;
client.OnParcelPropertiesUpdateRequest += ParcelPropsHook;
}
public void ParcelSplitHook(int west, int south, int east, int north, IClientAPI remote_client)
{
PrepareData();
}
public void ParcelPropsHook(ParcelPropertiesUpdatePacket packet, IClientAPI remote_client)
{
PrepareData();
}
#endregion
public void PrepareData()
{
m_log.Info("[EXTERNALDATA]: Generating land data.");
m_landIndexed.Clear();
//Index sim land
foreach (KeyValuePair<int, Land> curLand in m_scene.LandManager.landList)
{
//if ((curLand.Value.landData.landFlags & (uint)Parcel.ParcelFlags.ShowDirectory) == (uint)Parcel.ParcelFlags.ShowDirectory)
//{
m_landIndexed.Add(curLand.Key, curLand.Value.Copy());
//}
}
}
public Dictionary<int,Land> IndexedLand {
get { return m_landIndexed; }
}
*/
#endregion
#region IDataSnapshotProvider members
public void Initialize(Scene scene, DataSnapshotManager parent)
{
m_scene = scene;
m_parent = parent;
//m_scene.EventManager.OnNewClient += OnNewClient;
}
public Scene GetParentScene
{
get { return m_scene; }
}
public XmlNode RequestSnapshotData(XmlDocument nodeFactory)
{
ILandChannel landChannel = (LandChannel)m_scene.LandChannel;
Dictionary<int, ILandObject> landList = null;
try
{
Type landChannelType = typeof(LandChannel);
FieldInfo landListField = landChannelType.GetField("landList", BindingFlags.NonPublic | BindingFlags.Instance);
if (landListField != null)
{
landList = (Dictionary<int, ILandObject>)landListField.GetValue(landChannel);
}
}
catch (Exception e)
{
Console.WriteLine("[DATASNAPSHOT] couldn't access field reflectively\n" + e.ToString());
}
XmlNode parent = nodeFactory.CreateNode(XmlNodeType.Element, "parceldata", "");
if (landList != null)
{
//foreach (KeyValuePair<int, Land> curParcel in m_landIndexed)
foreach (LandObject land in landList.Values)
{
LandData parcel = land.landData;
if ((parcel.landFlags & (uint)Parcel.ParcelFlags.ShowDirectory) == (uint)Parcel.ParcelFlags.ShowDirectory)
{
//TODO: make better method of marshalling data from LandData to XmlNode
XmlNode xmlparcel = nodeFactory.CreateNode(XmlNodeType.Element, "parcel", "");
// Attributes of the parcel node
XmlAttribute scripts_attr = nodeFactory.CreateAttribute("scripts");
scripts_attr.Value = GetScriptsPermissions(parcel);
XmlAttribute category_attr = nodeFactory.CreateAttribute("category");
category_attr.Value = parcel.category.ToString();
//XmlAttribute entities_attr = nodeFactory.CreateAttribute("entities");
//entities_attr.Value = land.primsOverMe.Count.ToString();
xmlparcel.Attributes.Append(scripts_attr);
xmlparcel.Attributes.Append(category_attr);
//xmlparcel.Attributes.Append(entities_attr);
//name, description, area, and UUID
XmlNode name = nodeFactory.CreateNode(XmlNodeType.Element, "name", "");
name.InnerText = parcel.landName;
xmlparcel.AppendChild(name);
XmlNode desc = nodeFactory.CreateNode(XmlNodeType.Element, "description", "");
desc.InnerText = parcel.landDesc;
xmlparcel.AppendChild(desc);
XmlNode uuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
uuid.InnerText = parcel.globalID.ToString();
xmlparcel.AppendChild(uuid);
XmlNode area = nodeFactory.CreateNode(XmlNodeType.Element, "area", "");
area.InnerText = parcel.area.ToString();
xmlparcel.AppendChild(area);
//default location
XmlNode tpLocation = nodeFactory.CreateNode(XmlNodeType.Element, "location", "");
LLVector3 loc = parcel.userLocation;
if (loc.Equals(LLVector3.Zero)) // This test is mute at this point: the location is wrong by default
loc = new LLVector3((parcel.AABBMax.X - parcel.AABBMin.X) / 2, (parcel.AABBMax.Y - parcel.AABBMin.Y) / 2, (parcel.AABBMax.Y - parcel.AABBMin.Y) / 2);
tpLocation.InnerText = loc.X.ToString() + "/" + loc.Y.ToString() + "/" + loc.Z.ToString();
xmlparcel.AppendChild(tpLocation);
//TODO: figure how to figure out teleport system landData.landingType
//land texture snapshot uuid
if (parcel.snapshotID != LLUUID.Zero)
{
XmlNode textureuuid = nodeFactory.CreateNode(XmlNodeType.Element, "image", "");
textureuuid.InnerText = parcel.snapshotID.ToString();
xmlparcel.AppendChild(textureuuid);
}
//attached user and group
if (parcel.groupID != LLUUID.Zero)
{
XmlNode groupblock = nodeFactory.CreateNode(XmlNodeType.Element, "group", "");
XmlNode groupuuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
groupuuid.InnerText = parcel.groupID.ToString();
groupblock.AppendChild(groupuuid);
//No name yet, there's no way to get a group name since they don't exist yet.
//TODO: When groups are supported, add the group handling code.
xmlparcel.AppendChild(groupblock);
}
if (!parcel.isGroupOwned)
{
XmlNode userblock = nodeFactory.CreateNode(XmlNodeType.Element, "owner", "");
LLUUID userOwnerUUID = parcel.ownerID;
XmlNode useruuid = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
useruuid.InnerText = userOwnerUUID.ToString();
userblock.AppendChild(useruuid);
try
{
XmlNode username = nodeFactory.CreateNode(XmlNodeType.Element, "name", "");
UserProfileData userProfile = m_scene.CommsManager.UserService.GetUserProfile(userOwnerUUID);
username.InnerText = userProfile.username + " " + userProfile.surname;
userblock.AppendChild(username);
}
catch (Exception)
{
m_log.Info("[DATASNAPSHOT]: Cannot find owner name; ignoring this parcel");
}
xmlparcel.AppendChild(userblock);
}
//else
//{
// XmlAttribute type = (XmlAttribute)nodeFactory.CreateNode(XmlNodeType.Attribute, "type", "");
// type.InnerText = "owner";
// groupblock.Attributes.Append(type);
//}
parent.AppendChild(xmlparcel);
}
}
//snap.AppendChild(parent);
}
return parent;
}
#endregion
#region Helper functions
private string GetScriptsPermissions(LandData parcel)
{
if ((parcel.landFlags & (uint)Parcel.ParcelFlags.AllowOtherScripts) == (uint)Parcel.ParcelFlags.AllowOtherScripts)
return "yes";
else
return "no";
}
#endregion
}
}