/// <summary>
/// Alternative interactions on an entity.
/// </summary>
/// <remarks>
/// Uses the context menu verb list, and acts out the first verb marked as an alternative interaction. Note
/// that this does not have any checks to see whether this interaction is valid, as these are all done in <see
/// cref="UserInteraction(IEntity, EntityCoordinates, EntityUid, bool)"/>
/// </remarks>
public void AltInteract(IEntity user, IEntity target)
{
// TODO VERB SYSTEM when ECS-ing verbs and re-writing VerbUtility.GetVerbs, maybe sort verbs by some
// priority property, such that which verbs appear first is more predictable?.
// Iterate through list of verbs that apply to target. We do not include global verbs here. If in the future
// alt click should also support global verbs, this needs to be changed.
foreach (var(component, verb) in VerbUtility.GetVerbs(target))
{
// Check that the verb marked as an alternative interaction?
if (!verb.AlternativeInteraction)
{
continue;
}
// Can the verb be acted out?
if (!VerbUtility.VerbAccessChecks(user, target, verb))
{
continue;
}
// Is the verb currently enabled?
var verbData = verb.GetData(user, component);
if (verbData.IsInvisible || verbData.IsDisabled)
{
continue;
}
// Act out the verb. Note that, if there is more than one AlternativeInteraction verb, only the first
// one is activated. The priority is effectively determined by the order in which VerbUtility.GetVerbs()
// returns the verbs.
verb.Activate(user, component);
break;
}
}
private void RequestVerbs(RequestVerbsMessage req, EntitySessionEventArgs eventArgs)
{
var player = (IPlayerSession)eventArgs.SenderSession;
if (!_entityManager.TryGetEntity(req.EntityUid, out var entity))
{
Logger.Warning($"{nameof(RequestVerbs)} called on a nonexistant entity with id {req.EntityUid} by player {player}.");
return;
}
var userEntity = player.AttachedEntity;
if (userEntity == null)
{
Logger.Warning($"{nameof(UseVerb)} called by player {player} with no attached entity.");
return;
}
var data = new List <VerbsResponseMessage.NetVerbData>();
//Get verbs, component dependent.
foreach (var(component, verb) in VerbUtility.GetVerbs(entity))
{
if (!VerbUtility.VerbAccessChecks(userEntity, entity, verb))
{
continue;
}
var verbData = verb.GetData(userEntity, component);
if (verbData.IsInvisible)
{
continue;
}
// TODO: These keys being giant strings is inefficient as hell.
data.Add(new VerbsResponseMessage.NetVerbData(verbData, $"{component.GetType()}:{verb.GetType()}"));
}
//Get global verbs. Visible for all entities regardless of their components.
foreach (var globalVerb in VerbUtility.GetGlobalVerbs(Assembly.GetExecutingAssembly()))
{
if (!VerbUtility.VerbAccessChecks(userEntity, entity, globalVerb))
{
continue;
}
var verbData = globalVerb.GetData(userEntity, entity);
if (verbData.IsInvisible)
{
continue;
}
data.Add(new VerbsResponseMessage.NetVerbData(verbData, globalVerb.GetType().ToString()));
}
var response = new VerbsResponseMessage(data.ToArray(), req.EntityUid);
RaiseNetworkEvent(response, player.ConnectedClient);
}
private void UseVerb(UseVerbMessage use, EntitySessionEventArgs eventArgs)
{
if (!_entityManager.TryGetEntity(use.EntityUid, out var entity))
{
return;
}
var session = eventArgs.SenderSession;
var userEntity = session.AttachedEntity;
if (userEntity == null)
{
Logger.Warning($"{nameof(UseVerb)} called by player {session} with no attached entity.");
return;
}
foreach (var(component, verb) in VerbUtility.GetVerbs(entity))
{
if ($"{component.GetType()}:{verb.GetType()}" != use.VerbKey)
{
continue;
}
if (!VerbUtility.VerbAccessChecks(userEntity, entity, verb))
{
break;
}
verb.Activate(userEntity, component);
break;
}
foreach (var globalVerb in VerbUtility.GetGlobalVerbs(Assembly.GetExecutingAssembly()))
{
if (globalVerb.GetType().ToString() != use.VerbKey)
{
continue;
}
if (!VerbUtility.VerbAccessChecks(userEntity, entity, globalVerb))
{
break;
}
globalVerb.Activate(userEntity, entity);
break;
}
}