/// <summary>
/// Start an invalidation call from this object on the specified channel.
/// </summary>
/// <param name="sender">Who call this invalidation.</param>
/// <param name="channel">Channel to invalidate.</param>
/// <param name="direction">Propagation direction.</param>
public virtual void Invalidate(GameObject sender, string channel, InvalidationDirection direction)
{
bool propagate = OnInvalidation(sender, channel, direction);
if (direction.HasFlag(InvalidationDirection.Parent) && Parent != null)
{
Parent.Invalidate(sender, channel, direction);
}
}
/// <summary>
/// Invalidate a property of this object/tree.
/// </summary>
/// <param name="sender">Object sender.</param>
/// <param name="channel">Channel to invalidate.</param>
/// <param name="direction">Propagation direction.</param>
public override void Invalidate(GameObject sender, string channel, InvalidationDirection direction)
{
base.Invalidate(sender, channel, direction);
if (direction.HasFlag(InvalidationDirection.Children))
{
foreach (Drawable obj in Children)
{
obj.Invalidate(sender, channel, InvalidationDirection.Children);
}
}
}
/// <summary>
/// Called on object invalidation.
/// </summary>
/// <param name="sender">Who call this invalidation.</param>
/// <param name="channel">Channel invalidated.</param>
/// <param name="direction">Propagation direction.</param>
/// <returns>True if invalidation is full handled and propagation must stop.</returns>
protected virtual bool OnInvalidation(GameObject sender, string channel, InvalidationDirection direction)
{
Cache.Invalidate(channel);
return(false);
}
/// <summary>
/// Start an invalidation call from this object on the specified channel.
/// </summary>
/// <param name="sender">Who call this invalidation.</param>
/// <param name="channel">Channel to invalidate.</param>
public void Invalidate(string channel, InvalidationDirection direction)
{
Invalidate(this, channel, direction);
}