/// <summary>
/// Attempts to remove a status effect from an entity.
/// </summary>
/// <param name="uid">The entity to remove an effect from.</param>
/// <param name="key">The effect ID to remove.</param>
/// <param name="status">The status effects component to change, if you already have it.</param>
/// <returns>False if the effect could not be removed, true otherwise.</returns>
/// <remarks>
/// Obviously this doesn't automatically clear any effects a status effect might have.
/// That's up to the removed component to handle itself when it's removed.
/// </remarks>
public bool TryRemoveStatusEffect(EntityUid uid, string key,
StatusEffectsComponent?status = null)
{
if (!Resolve(uid, ref status, false))
{
return(false);
}
if (!status.ActiveEffects.ContainsKey(key))
{
return(false);
}
if (!_prototypeManager.TryIndex <StatusEffectPrototype>(key, out var proto))
{
return(false);
}
var state = status.ActiveEffects[key];
// There are cases where a status effect component might be server-only, so TryGetRegistration...
if (state.RelevantComponent != null && _componentFactory.TryGetRegistration(state.RelevantComponent, out var registration))
{
var type = registration.Type;
// Make sure the component is actually there first.
// Maybe a badmin badminned the component away,
// or perhaps, on the client, the component deletion sync
// was faster than prediction could predict. Either way, let's not assume the component exists.
if (EntityManager.HasComponent(uid, type))
{
EntityManager.RemoveComponent(uid, type);
}
}
if (proto.Alert != null)
{
_alertsSystem.ClearAlert(uid, proto.Alert.Value);
}
status.ActiveEffects.Remove(key);
if (status.ActiveEffects.Count == 0)
{
RemComp <ActiveStatusEffectsComponent>(uid);
}
Dirty(status);
// event?
return(true);
}
private void OnEntityInserted(EntityUid uid, PayloadCaseComponent _, EntInsertedIntoContainerMessage args)
{
if (!TryComp(args.Entity, out PayloadTriggerComponent? trigger))
{
return;
}
trigger.Active = true;
if (trigger.Components == null)
{
return;
}
// ANY payload trigger that gets inserted can grant components. It is up to the construction graphs to determine trigger capacity.
foreach (var(name, data) in trigger.Components)
{
if (!_componentFactory.TryGetRegistration(name, out var registration))
{
continue;
}
if (HasComp(uid, registration.Type))
{
continue;
}
if (_componentFactory.GetComponent(registration.Type) is not Component component)
{
continue;
}
component.Owner = uid;
if (_serializationManager.Copy(data, component, null) is Component copied)
{
EntityManager.AddComponent(uid, copied);
}
trigger.GrantedComponents.Add(registration.Type);
}
}