/// Use when an entity contains an observer and you want to stop the observer without releasing entity.
public static void StopObserver(this ent entity)
{
if (entity.exist)
{
entity.ComponentObserver().length = 0;
}
}
/// Use when an entity is an observer and you want to release this entity.
public static void ReleaseObserver(this ent entity)
{
if (entity.exist)
{
entity.ComponentObserver().length = 0;
entity.Release();
}
}
public static void ValueChange <TSource, TProp>(this TSource source, Func <TSource, TProp> propertySelector, Action <TProp> callback, ref ent e)
{
var w = new Wrap <TSource, TProp>();
w.source = source;
w.prop = propertySelector;
w.callback = callback;
#if UNITY_EDITOR
if (Comparers.storage.TryGetValue(typeof(TProp).GetHashCode(), out object comparer))
{
w.comparer = comparer as IEqualityComparer <TProp>;
}
else
{
Debug.LogError($"Comparer for {typeof(TProp)} not found.");
}
#else
w.comparer = Comparers.storage[typeof(TProp).GetHashCode()] as IEqualityComparer <TProp>;
#endif
var cObserver = default(ComponentObserver);
if (!e.exist)
{
e = Entity.Create();
cObserver = e.Set <ComponentObserver>();
}
else
{
cObserver = e.ComponentObserver();
}
#if ACTORS_COMPONENTS_STRUCTS
if (cObserver.wrappers == null)
{
cObserver.wrappers = new IWrap[2];
}
Debug.Log(cObserver.wrappers.Length);
#endif
if (cObserver.length >= cObserver.wrappers.Length)
{
Array.Resize(ref cObserver.wrappers, cObserver.length << 1);
}
cObserver.wrappers[cObserver.length++] = w;
}