void ObjectDelinkHandler(Packet packet, Agent agent)
{
ObjectDelinkPacket delink = (ObjectDelinkPacket)packet;
List <SimulationObject> linkSet = new List <SimulationObject>();
for (int i = 0; i < delink.ObjectData.Length; i++)
{
SimulationObject obj;
if (!server.Scene.TryGetObject(delink.ObjectData[i].ObjectLocalID, out obj))
{
//TODO: send an error message
return;
}
else if (obj.Prim.OwnerID != agent.AgentID)
{
//TODO: send an error message
return;
}
else
{
linkSet.Add(obj);
}
}
ObjectUpdatePacket update = new ObjectUpdatePacket();
update.RegionData.RegionHandle = server.RegionHandle;
update.RegionData.TimeDilation = UInt16.MaxValue;
update.ObjectData = new ObjectUpdatePacket.ObjectDataBlock[linkSet.Count];
for (int i = 0; i < linkSet.Count; i++)
{
update.ObjectData[i] = SimulationObject.BuildUpdateBlock(linkSet[i].Prim,
server.RegionHandle, 0, linkSet[i].Prim.Flags);
update.ObjectData[i].ParentID = 0;
linkSet[i].LinkNumber = 0;
//add root prim orientation to child prims
if (i > 0)
{
linkSet[i].Prim.Position = linkSet[0].Prim.Position + Vector3.Transform(linkSet[i].Prim.Position, Matrix4.CreateFromQuaternion(linkSet[0].Prim.Rotation));
linkSet[i].Prim.Rotation *= linkSet[0].Prim.Rotation;
}
update.ObjectData[i].ObjectData = SimulationObject.BuildObjectData(
linkSet[i].Prim.Position, linkSet[i].Prim.Rotation,
Vector3.Zero, Vector3.Zero, Vector3.Zero);
}
server.UDP.BroadcastPacket(update, PacketCategory.State);
}
void ObjectLinkHandler(Packet packet, Agent agent)
{
ObjectLinkPacket link = (ObjectLinkPacket)packet;
List <SimulationObject> linkSet = new List <SimulationObject>();
for (int i = 0; i < link.ObjectData.Length; i++)
{
SimulationObject obj;
if (!server.Scene.TryGetObject(link.ObjectData[i].ObjectLocalID, out obj))
{
//TODO: send an error message
return;
}
else if (obj.Prim.OwnerID != agent.AgentID)
{
//TODO: send an error message
return;
}
else
{
linkSet.Add(obj);
}
}
for (int i = 0; i < linkSet.Count; i++)
{
linkSet[i].LinkNumber = i + 1;
ObjectUpdatePacket update = new ObjectUpdatePacket();
update.RegionData.RegionHandle = server.RegionHandle;
update.RegionData.TimeDilation = UInt16.MaxValue;
update.ObjectData = new ObjectUpdatePacket.ObjectDataBlock[1];
update.ObjectData[0] = SimulationObject.BuildUpdateBlock(linkSet[i].Prim, server.RegionHandle,
linkSet[i].Prim.PrimData.State, linkSet[i].Prim.Flags);
if (linkSet[i].Prim.ParentID > 0)
{
//previously linked children
SimulationObject parent;
if (server.Scene.TryGetObject(linkSet[i].Prim.ParentID, out parent))
{
//re-add old root orientation
linkSet[i].Prim.Position = parent.Prim.Position + Vector3.Transform(linkSet[i].Prim.Position, Matrix4.CreateFromQuaternion(parent.Prim.Rotation));
linkSet[i].Prim.Rotation *= parent.Prim.Rotation;
}
}
if (i > 0)
{
//subtract root prim orientation
linkSet[i].Prim.Position = Vector3.Transform(linkSet[i].Prim.Position - linkSet[0].Prim.Position, Matrix4.CreateFromQuaternion(Quaternion.Identity / linkSet[0].Prim.Rotation));
linkSet[i].Prim.Rotation /= linkSet[0].Prim.Rotation;
//set parent ID
update.ObjectData[0].ParentID = linkSet[0].Prim.LocalID;
}
else
{
//root prim
update.ObjectData[0].ParentID = 0;
}
update.ObjectData[0].ObjectData = SimulationObject.BuildObjectData(
linkSet[i].Prim.Position, linkSet[i].Prim.Rotation,
Vector3.Zero, Vector3.Zero, Vector3.Zero);
server.UDP.BroadcastPacket(update, PacketCategory.State);
}
}