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/*
* 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 OpenSimulator 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.Drawing;
using System.IO;
using System.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.Framework.Scenes.Serialization
{
/// <summary>
/// Serialize and deserialize coalesced scene objects.
/// </summary>
public class CoalescedSceneObjectsSerializer
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Serialize coalesced objects to Xml
/// </summary>
/// <param name="coa"></param>
/// <returns></returns>
public static string ToXml(CoalescedSceneObjects coa)
{
// TODO: Should probably return an empty xml serialization rather than a blank string
if (!coa.HasObjects)
return "";
using (StringWriter sw = new StringWriter())
{
using (XmlTextWriter writer = new XmlTextWriter(sw))
{
List<SceneObjectGroup> coaObjects = coa.Objects;
// m_log.DebugFormat(
// "[COALESCED SCENE OBJECTS SERIALIZER]: Writing {0} objects for coalesced object",
// coaObjects.Count);
float minX, minY, minZ;
float maxX, maxY, maxZ;
Vector3[] offsets = Scene.GetCombinedBoundingBox(coaObjects,
out minX, out maxX, out minY, out maxY,
out minZ, out maxZ);
writer.WriteStartElement("CoalescedObject");
float sizeX = maxX - minX;
float sizeY = maxY - minY;
float sizeZ = maxZ - minZ;
writer.WriteAttributeString("x", sizeX.ToString());
writer.WriteAttributeString("y", sizeY.ToString());
writer.WriteAttributeString("z", sizeZ.ToString());
// Embed the offsets into the group XML
for (int i = 0; i < coaObjects.Count; i++)
{
SceneObjectGroup obj = coaObjects[i];
// m_log.DebugFormat(
// "[COALESCED SCENE OBJECTS SERIALIZER]: Writing offset for object {0}, {1}",
// i, obj.Name);
writer.WriteStartElement("SceneObjectGroup");
writer.WriteAttributeString("offsetx", offsets[i].X.ToString());
writer.WriteAttributeString("offsety", offsets[i].Y.ToString());
writer.WriteAttributeString("offsetz", offsets[i].Z.ToString());
SceneObjectSerializer.ToOriginalXmlFormat(obj, writer, true);
writer.WriteEndElement();
}
writer.WriteEndElement(); // CoalescedObject
}
string output = sw.ToString();
// m_log.Debug(output);
return output;
}
}
}
}
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