private void OnSignalPortSelected(EntityUid uid, SignalLinkerComponent linker, SignalPortSelected args)
{
if (!TryComp(linker.SavedTransmitter, out SignalTransmitterComponent? transmitter) ||
!TryComp(linker.SavedReceiver, out SignalReceiverComponent? receiver) ||
!transmitter.Outputs.TryGetValue(args.TransmitterPort, out var receivers) ||
!receiver.Inputs.TryGetValue(args.ReceiverPort, out var transmitters))
{
return;
}
if (args.Session.AttachedEntity is not EntityUid {
Valid: true
} attached)
{
return;
}
if (receivers.Contains(new(receiver.Owner, args.ReceiverPort)) ||
transmitters.Contains(new(transmitter.Owner, args.TransmitterPort)))
{ // link already exists, remove it
if (receivers.Remove(new(receiver.Owner, args.ReceiverPort)) &&
transmitters.Remove(new(transmitter.Owner, args.TransmitterPort)))
{
RaiseLocalEvent(receiver.Owner, new PortDisconnectedEvent(args.ReceiverPort), true);
RaiseLocalEvent(transmitter.Owner, new PortDisconnectedEvent(args.TransmitterPort), true);
_popupSystem.PopupCursor(Loc.GetString("signal-linker-component-unlinked-port",
("machine1", transmitter.Owner), ("port1", PortName <TransmitterPortPrototype>(args.TransmitterPort)),
("machine2", receiver.Owner), ("port2", PortName <ReceiverPortPrototype>(args.ReceiverPort))),
Filter.Entities(attached), PopupType.Medium);
}
private bool TryLink(SignalTransmitterComponent transmitter, SignalReceiverComponent receiver, SignalPortSelected args, EntityUid user, bool quiet = false, bool checkRange = true)
{
if (!transmitter.Outputs.TryGetValue(args.TransmitterPort, out var linkedReceivers) ||
!receiver.Inputs.TryGetValue(args.ReceiverPort, out var linkedTransmitters))
{
return(false);
}
// Does the link already exist? Under the assumption that nothing has broken, lets only check the
// transmitter ports.
foreach (var identifier in linkedTransmitters)
{
if (identifier.Uid == transmitter.Owner && identifier.Port == args.TransmitterPort)
{
return(true);
}
}
if (checkRange && !IsInRange(transmitter, receiver))
{
if (!quiet)
{
_popupSystem.PopupCursor(Loc.GetString("signal-linker-component-out-of-range"),
Filter.Entities(user));
}
return(false);
}
// allow other systems to refuse the connection
var linkAttempt = new LinkAttemptEvent(user, transmitter.Owner, args.TransmitterPort, receiver.Owner, args.ReceiverPort);
RaiseLocalEvent(transmitter.Owner, linkAttempt, true);
if (linkAttempt.Cancelled)
{
if (!quiet)
{
_popupSystem.PopupCursor(Loc.GetString("signal-linker-component-connection-refused", ("machine", transmitter.Owner)),
Filter.Entities(user));
}
return(false);
}
RaiseLocalEvent(receiver.Owner, linkAttempt, true);
if (linkAttempt.Cancelled)
{
if (!quiet)
{
_popupSystem.PopupCursor(Loc.GetString("signal-linker-component-connection-refused", ("machine", receiver.Owner)),
Filter.Entities(user));
}
return(false);
}
linkedReceivers.Add(new(receiver.Owner, args.ReceiverPort));
linkedTransmitters.Add(new(transmitter.Owner, args.TransmitterPort));
if (!quiet)
{
_popupSystem.PopupCursor(Loc.GetString("signal-linker-component-linked-port",
("machine1", transmitter.Owner), ("port1", PortName <TransmitterPortPrototype>(args.TransmitterPort)),
("machine2", receiver.Owner), ("port2", PortName <ReceiverPortPrototype>(args.ReceiverPort))),
Filter.Entities(user), PopupType.Medium);
}
return(true);
}
