private List <IInteraction> GetViableInteractions(Ray ray, out InteractionEvent interactionEvent)
{
IInteractionSource source = GetActiveInteractionSource();
if (source == null)
{
interactionEvent = null;
return(new List <IInteraction>());
}
IInteractionTarget target = null;
Vector3 point = Vector3.zero;
if (Physics.Raycast(ray, out RaycastHit hit, float.PositiveInfinity, selectionMask))
{
point = hit.point;
GameObject targetGo = hit.transform.gameObject;
target = targetGo.GetComponent <IInteractionTarget>() ?? new InteractionTargetGameObject(targetGo);
if (!source.CanInteractWithTarget(target))
{
interactionEvent = null;
return(new List <IInteraction>());
}
}
interactionEvent = new InteractionEvent(source, target, point);
IInteraction[] availableInteractions =
source.GenerateInteractions(target != null ? new[] { target } : new IInteractionTarget[0]);
InteractionEvent @event = interactionEvent;
return(availableInteractions.Where(i => i.CanInteract(@event)).ToList());
}
/// <summary>
/// Gets all valid interaction targets from a game object
/// </summary>
/// <param name="source">The source of the interaction</param>
/// <param name="gameObject">The game objects the interaction targets are on</param>
/// <returns>A list of all valid interaction targets</returns>
private List <IInteractionTarget> GetTargetsFromGameObject(IInteractionSource source, GameObject gameObject)
{
List <IInteractionTarget> targets = new List <IInteractionTarget>();
// Get all target components which are not disabled and the source can interact with
targets.AddRange(gameObject.GetComponents <IInteractionTarget>().Where(x =>
(x as MonoBehaviour)?.enabled != false && source.CanInteractWithTarget(x)));
if (targets.Count < 1)
{
targets.Add(new InteractionTargetGameObject(gameObject));
}
return(targets);
}
