/// <summary>
/// Raises an event directed at both the user and the target entity to check whether a user is capable of
/// interacting with this entity.
/// </summary>
/// <remarks>
/// If this is a generic interaction without a target (e.g., stop-drop-and-roll when burning), the target
/// may be null. Note that this is checked by <see cref="SharedInteractionSystem"/>. In the majority of
/// cases, systems that provide interactions will not need to check this themselves, though they may need to
/// check other blockers like <see cref="CanPickup(EntityUid)"/>
/// </remarks>
/// <returns></returns>
public bool CanInteract(EntityUid user, EntityUid?target)
{
var ev = new InteractionAttemptEvent(user, target);
RaiseLocalEvent(user, ev, true);
if (ev.Cancelled)
{
return(false);
}
if (target == null)
{
return(true);
}
var targetEv = new GettingInteractedWithAttemptEvent(user, target);
RaiseLocalEvent(target.Value, targetEv, true);
if (!targetEv.Cancelled)
{
InteractWithItem(user, target.Value);
}
return(!targetEv.Cancelled);
}
private void OnInteractionAttempt(EntityUid uid, DroneComponent component, InteractionAttemptEvent args)
{
if (HasComp <MobStateComponent>(args.Target) && !HasComp <DroneComponent>(args.Target))
{
args.Cancel();
}
}
public bool CanInteract(EntityUid uid)
{
var ev = new InteractionAttemptEvent(uid);
RaiseLocalEvent(uid, ev);
return(!ev.Cancelled);
}
public bool CanInteract(IEntity entity)
{
var ev = new InteractionAttemptEvent(entity);
RaiseLocalEvent(entity.Uid, ev);
return(!ev.Cancelled);
}
private void OnInteractionAttempt(EntityUid uid, DroneComponent component, InteractionAttemptEvent args)
{
if (NonDronesInRange(uid, component))
{
args.Cancel();
}
if (HasComp <SharedItemComponent>(args.Target) && !HasComp <UnremoveableComponent>(args.Target))
{
if (!_tagSystem.HasAnyTag(args.Target.Value, "DroneUsable", "Trash"))
{
args.Cancel();
}
}
}
public bool CanInteract(IEntity entity)
{
var ev = new InteractionAttemptEvent(entity);
RaiseLocalEvent(entity.Uid, ev);
foreach (var blocker in ev.Entity.GetAllComponents <IActionBlocker>())
{
if (!blocker.CanInteract())
{
ev.Cancel();
break;
}
}
return(!ev.Cancelled);
}
private void OnInteractAttempt(EntityUid uid, SharedCuffableComponent component, InteractionAttemptEvent args)
{
CheckAct(uid, component, args);
}
private void OnInteractAttempt(EntityUid uid, StunnedComponent stunned, InteractionAttemptEvent args)
{
args.Cancel();
}
private void OnInteractAttempt(EntityUid uid, MobStateComponent component, InteractionAttemptEvent args)
{
CheckAct(uid, component, args);
}
private void OnInteractAttempt(EntityUid uid, PAIComponent component, InteractionAttemptEvent args)
{
args.Cancel();
}
private void OnInteractAttempt(EntityUid uid, SharedGhostComponent component, InteractionAttemptEvent args)
{
if (!component.CanGhostInteract)
{
args.Cancel();
}
}