Script State Fix: Part 2

Change the reader to wrap old-style definitions in new style wrappers.
Change importer to not check irrelevant data that can't be reconstructed
This removes the last bit of knowledge of XEngine's .state files from core.
This commit is contained in:
Melanie
2009-12-21 10:26:52 +00:00
parent 83d8ba5775
commit 27453890d5
3 changed files with 69 additions and 24 deletions

View File

@@ -26,6 +26,7 @@
*/
using System;
using System.Xml;
using System.IO;
using System.Collections.Generic;
using System.Reflection;
@@ -283,15 +284,55 @@ namespace OpenSim.Region.Framework.Scenes
private void RestoreSavedScriptState(UUID oldID, UUID newID)
{
IScriptModule[] engines = m_part.ParentGroup.Scene.RequestModuleInterfaces<IScriptModule>();
if (engines == null) // No engine at all
return;
if (m_part.ParentGroup.m_savedScriptState.ContainsKey(oldID))
{
string fpath = Path.Combine("ScriptEngines/"+m_part.ParentGroup.Scene.RegionInfo.RegionID.ToString(),
newID.ToString()+".state");
FileStream fs = File.Create(fpath);
Byte[] buffer = enc.GetBytes(m_part.ParentGroup.m_savedScriptState[oldID]);
fs.Write(buffer,0,buffer.Length);
fs.Close();
m_part.ParentGroup.m_savedScriptState.Remove(oldID);
XmlDocument doc = new XmlDocument();
doc.LoadXml(m_part.ParentGroup.m_savedScriptState[oldID]);
////////// CRUFT WARNING ///////////////////////////////////
//
// Old objects will have <ScriptState><State> ...
// This format is XEngine ONLY
//
// New objects have <State Engine="...." ...><ScriptState>...
// This can be passed to any engine
//
XmlNode n = doc.SelectSingleNode("ScriptState");
if (n != null) // Old format data
{
XmlDocument newDoc = new XmlDocument();
XmlElement rootN = newDoc.CreateElement("", "State", "");
XmlAttribute uuidA = newDoc.CreateAttribute("", "UUID", "");
uuidA.Value = oldID.ToString();
rootN.Attributes.Append(uuidA);
XmlAttribute engineA = newDoc.CreateAttribute("", "Engine", "");
engineA.Value = "XEngine";
rootN.Attributes.Append(engineA);
newDoc.AppendChild(rootN);
XmlNode stateN = newDoc.ImportNode(n, true);
rootN.AppendChild(stateN);
// This created document has only the minimun data
// necessary for XEngine to parse it successfully
m_part.ParentGroup.m_savedScriptState[oldID] = newDoc.OuterXml;
}
foreach (IScriptModule e in engines)
{
if (e != null)
{
if (e.SetXMLState(newID, m_part.ParentGroup.m_savedScriptState[oldID]))
break;
}
}
}
}