/**
* @brief llTeleportAgent() is broken in that if you pass it a landmark,
* it still subjects the position to spawn points, as it always
* calls RequestTeleportLocation() with TeleportFlags.ViaLocation.
* See llTeleportAgent() and CheckAndAdjustTelehub().
*
* @param agent = what agent to teleport
* @param landmark = inventory name or UUID of a landmark object
* @param lookat = looking direction after teleport
*/
public void xmrTeleportAgent2Landmark(string agent, string landmark, LSL_Vector lookat)
{
// find out about agent to be teleported
UUID agentId;
if (!UUID.TryParse(agent, out agentId))
{
throw new ApplicationException("bad agent uuid");
}
ScenePresence presence = World.GetScenePresence(agentId);
if (presence == null)
{
throw new ApplicationException("agent not present in scene");
}
if (presence.IsNPC)
{
throw new ApplicationException("agent is an NPC");
}
if (presence.IsGod)
{
throw new ApplicationException("agent is a god");
}
// prim must be owned by land owner or prim must be attached to agent
if (m_host.ParentGroup.AttachmentPoint == 0)
{
if (m_host.OwnerID != World.LandChannel.GetLandObject(presence.AbsolutePosition).LandData.OwnerID)
{
throw new ApplicationException("prim not owned by land's owner");
}
}
else
{
if (m_host.OwnerID != presence.UUID)
{
throw new ApplicationException("prim not attached to agent");
}
}
// find landmark in inventory or by UUID
UUID assetID = ScriptUtils.GetAssetIdFromKeyOrItemName(m_host, landmark);
if (assetID == UUID.Zero)
{
throw new ApplicationException("no such landmark");
}
// read it in and make sure it is a landmark
AssetBase lma = World.AssetService.Get(assetID.ToString());
if ((lma == null) || (lma.Type != (sbyte)AssetType.Landmark))
{
throw new ApplicationException("not a landmark");
}
// parse the record
AssetLandmark lm = new AssetLandmark(lma);
// the regionhandle (based on region's world X,Y) might be out of date
// re-read the handle so we can pass it to RequestTeleportLocation()
var region = World.GridService.GetRegionByUUID(World.RegionInfo.ScopeID, lm.RegionID);
if (region == null)
{
throw new ApplicationException("no such region");
}
// finally ready to teleport
World.RequestTeleportLocation(presence.ControllingClient,
region.RegionHandle,
lm.Position,
lookat,
(uint)TeleportFlags.ViaLandmark);
}