/// <summary>
///
/// SERVER ONLY FUNCTION
///
/// Server will periodically determine which contacts are near a grid
/// with radar and send them out in a message. This is a workaround
/// for the fact that not all entities within radar range may be
/// streamed to the client.
/// </summary>
private void DoAcquisitionSweep()
{
//_logger.debugLog("Running acquisition sweep", "DoAcquisitionSweep");
Vector3D pos = _grid.WorldAABB.Center;
VRageMath.BoundingSphereD sphere
= new VRageMath.BoundingSphereD(pos, _settings.range);
List <IMyEntity> ents
= MyAPIGateway.Entities.GetEntitiesInSphere(ref sphere);
List <RemoteContact> contacts = new List <RemoteContact>();
foreach (IMyEntity e in ents)
{
if (e == _grid)
{
continue;
}
if (e is IMyCubeGrid)
{
Vector3D vecTo = e.WorldAABB.Center - pos;
contacts.Add(new RemoteContact()
{
entId = e.EntityId,
pos = e.WorldAABB.Center,
xsec = EWMath.DetermineXSection(e as IMyCubeGrid, vecTo)
});
}
}
// Send the contact list, even if it is blank. This is how the
// client will know when distant contacts have gone out of range
// or disappeared.
//_logger.debugLog($"List<RemoteContact> -> Clients with {contacts.Count} entities", "DoAcquisitionSweep");
Message <BlockAddress, List <RemoteContact> > msg
= new Message <BlockAddress, List <RemoteContact> >(
new BlockAddress(this.GridID, this.BlockID),
contacts);
MyAPIGateway.Multiplayer.SendMessageToOthers(
Constants.MIDAcquisitionSweep,
msg.ToXML());
}
/// <summary>
/// Goes through all tracks in the list and determines whether or not
/// they can currently be seen. This function does not add or remove
/// contacts from the list. That can only be done in ProcessAcquiredContacts.
/// </summary>
private void DoTrackingSweep()
{
//_logger.debugLog("Beginning sweep", "DoTrackingSweep");
Vector3D myPos = _grid.WorldAABB.Center;
// Go through all current tracks and update their makers
foreach (Track track in _allTracks.Values)
{
//_logger.debugLog($"For Track {track.trackId}", "DoTrackingSweep");
// If the entity is null, this track is only available on the
// server so use the stored value. Otherwise get the most
// up to date value
if (track.ent != null)
{
//_logger.debugLog("Entity is not null", "DoTrackingSweep");
track.position = track.ent.WorldAABB.Center;
}
// Transform the coordinates into grid space so we
// can compare it against our radar coverage
VRageMath.Vector3D relative
= VRageMath.Vector3D.Transform(
track.position, _grid.WorldMatrixNormalizedInv);
//Check that the sector is covered by our radars
Sector sec = SectorExtensions.ClassifyVector(relative);
if (IsSectorBlind(sec))
{
//_logger.debugLog("Sector is blind", "DoTrackingSweep");
// If a contact is not trackable, clear its GPS marker
ClearTrackMarker(track);
continue;
}
// Vector to target
Vector3D vecTo = track.position - myPos;
// If the entity is available, calculate the cross-section
// Otherwise we will use the stored value from the server
if (track.ent != null)
{
track.xsec
= EWMath.DetermineXSection(track.ent as IMyCubeGrid, vecTo);
}
double range = vecTo.Length();
double minxsec
= EWMath.MinimumXSection(
Constants.radarBeamWidths[(int)_assignedType], range);
if (track.xsec < minxsec)
{
//_logger.debugLog("Cross-section not large enough", "DoTrackingSweep");
ClearTrackMarker(track);
continue;
}
// TODO: raycast
// If all of the previous checks passed, this contact should
// be visible with a marker
AddUpdateTrackMarker(track);
}
}
