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using System;
using System.Collections.Generic;
using System.Xml;
using System.Xml.Serialization;
using System.Threading;
using System.IO;
using libsecondlife;
namespace libsecondlife.TestClient
{
enum ImporterState
{
RezzingParent,
RezzingChildren,
Linking,
Idle
}
public class Linkset
{
public Primitive RootPrim;
public List<Primitive> Children = new List<Primitive>();
public Linkset()
{
RootPrim = new Primitive();
}
public Linkset(Primitive rootPrim)
{
RootPrim = rootPrim;
}
}
public class ImportCommand : Command
{
Primitive currentPrim;
LLVector3 currentPosition;
SecondLife currentClient;
AutoResetEvent primDone;
List<Primitive> primsCreated;
List<uint> linkQueue;
uint rootLocalID = 0;
bool registeredCreateEvent = false;
ImporterState state = ImporterState.Idle;
public ImportCommand(TestClient testClient)
{
Name = "import";
Description = "Import prims from an exported xml file. Usage: import inputfile.xml";
primDone = new AutoResetEvent(false);
registeredCreateEvent = false;
}
public override string Execute(string[] args, LLUUID fromAgentID)
{
if (args.Length != 1)
return "Usage: import inputfile.xml";
string filename = args[0];
Dictionary<uint, Primitive> prims;
currentClient = Client;
try
{
XmlReader reader = XmlReader.Create(filename);
List<Primitive> listprims = Helpers.PrimListFromXml(reader);
reader.Close();
// Create a dictionary indexed by the old local ID of the prims
prims = new Dictionary<uint, Primitive>();
foreach (Primitive prim in listprims)
{
prims.Add(prim.LocalID, prim);
}
}
catch (Exception)
{
return "Failed to import the object XML file, maybe it doesn't exist or is in the wrong format?";
}
if (!registeredCreateEvent)
{
Client.OnPrimCreated += new TestClient.PrimCreatedCallback(TestClient_OnPrimCreated);
registeredCreateEvent = true;
}
// Build an organized structure from the imported prims
Dictionary<uint, Linkset> linksets = new Dictionary<uint, Linkset>();
foreach (Primitive prim in prims.Values)
{
if (prim.ParentID == 0)
{
if (linksets.ContainsKey(prim.LocalID))
linksets[prim.LocalID].RootPrim = prim;
else
linksets[prim.LocalID] = new Linkset(prim);
}
else
{
if (!linksets.ContainsKey(prim.ParentID))
linksets[prim.ParentID] = new Linkset();
linksets[prim.ParentID].Children.Add(prim);
}
}
primsCreated = new List<Primitive>();
Console.WriteLine("Importing " + linksets.Count + " structures.");
foreach (Linkset linkset in linksets.Values)
{
if (linkset.RootPrim.LocalID != 0)
{
state = ImporterState.RezzingParent;
currentPrim = linkset.RootPrim;
// HACK: Offset the root prim position so it's not lying on top of the original
// We need a more elaborate solution for importing with relative or absolute offsets
linkset.RootPrim.Position = Client.Self.Position;
linkset.RootPrim.Position.Z += 3.0f;
currentPosition = linkset.RootPrim.Position;
// A better solution would move the bot to the desired position.
// or to check if we are within a certain distance of the desired position.
// Rez the root prim with no rotation
LLQuaternion rootRotation = linkset.RootPrim.Rotation;
linkset.RootPrim.Rotation = LLQuaternion.Identity;
Client.Objects.AddPrim(Client.Network.CurrentSim, linkset.RootPrim.Data, LLUUID.Zero,
linkset.RootPrim.Position, linkset.RootPrim.Scale, linkset.RootPrim.Rotation);
if (!primDone.WaitOne(10000, false))
return "Rez failed, timed out while creating the root prim.";
state = ImporterState.RezzingChildren;
// Rez the child prims
foreach (Primitive prim in linkset.Children)
{
currentPrim = prim;
currentPosition = prim.Position + linkset.RootPrim.Position;
Client.Objects.AddPrim(Client.Network.CurrentSim, prim.Data, LLUUID.Zero, currentPosition,
prim.Scale, prim.Rotation);
if (!primDone.WaitOne(10000, false))
return "Rez failed, timed out while creating child prim.";
}
if (linkset.Children.Count != 0)
{
// Create a list of the local IDs of the newly created prims
List<uint> primIDs = new List<uint>(primsCreated.Count);
primIDs.Add(rootLocalID); // Root prim is first in list.
foreach (Primitive prim in primsCreated)
{
if (prim.LocalID != rootLocalID)
primIDs.Add(prim.LocalID);
}
linkQueue = new List<uint>(primIDs.Count);
linkQueue.AddRange(primIDs);
// Link and set the permissions + rotation
state = ImporterState.Linking;
Client.Objects.LinkPrims(Client.Network.CurrentSim, linkQueue);
if (primDone.WaitOne(100000 * linkset.Children.Count, false))
{
Client.Objects.SetPermissions(Client.Network.CurrentSim, primIDs,
Helpers.PermissionWho.Everyone | Helpers.PermissionWho.Group | Helpers.PermissionWho.NextOwner,
Helpers.PermissionType.Copy | Helpers.PermissionType.Modify | Helpers.PermissionType.Move |
Helpers.PermissionType.Transfer, true);
Client.Objects.SetRotation(Client.Network.CurrentSim, rootLocalID, rootRotation);
}
else
{
Console.WriteLine("Warning: Failed to link {0} prims", linkQueue.Count);
}
}
else
{
Client.Objects.SetRotation(Client.Network.CurrentSim, rootLocalID, rootRotation);
}
state = ImporterState.Idle;
}
else
{
// Skip linksets with a missing root prim
Console.WriteLine("WARNING: Skipping a linkset with a missing root prim");
}
// Reset everything for the next linkset
primsCreated.Clear();
}
return "Import complete.";
}
void TestClient_OnPrimCreated(Simulator simulator, Primitive prim)
{
if ((prim.Flags & LLObject.ObjectFlags.CreateSelected) == 0)
return; // We received an update for an object we didn't create
switch (state)
{
case ImporterState.RezzingParent:
rootLocalID = prim.LocalID;
goto case ImporterState.RezzingChildren;
case ImporterState.RezzingChildren:
if (!primsCreated.Contains(prim))
{
Console.WriteLine("Setting properties for " + prim.LocalID);
// TODO: Is there a way to set all of this at once, and update more ObjectProperties stuff?
currentClient.Objects.SetPosition(simulator, prim.LocalID, currentPosition);
currentClient.Objects.SetTextures(simulator, prim.LocalID, currentPrim.Textures);
currentClient.Objects.SetLight(simulator, prim.LocalID, currentPrim.Light);
currentClient.Objects.SetFlexible(simulator, prim.LocalID, currentPrim.Flexible);
if (!String.IsNullOrEmpty(currentPrim.Properties.Name))
currentClient.Objects.SetName(simulator, prim.LocalID, currentPrim.Properties.Name);
if (!String.IsNullOrEmpty(currentPrim.Properties.Description))
currentClient.Objects.SetDescription(simulator, prim.LocalID,
currentPrim.Properties.Description);
primsCreated.Add(prim);
primDone.Set();
}
break;
case ImporterState.Linking:
lock (linkQueue)
{
int index = linkQueue.IndexOf(prim.LocalID);
if (index != -1)
{
linkQueue.RemoveAt(index);
if (linkQueue.Count == 0)
primDone.Set();
}
}
break;
}
}
}
}
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