/// <summary> Destroys the given <see cref="Entity" />. </summary>
/// <param name="entity"> [in,out] The <see cref="Entity" />. </param>
public void Destroy(ref Entity entity)
{
// ReSharper disable once InconsistentlySynchronizedField
if (_entityMap.TryGetValue(entity, out int index))
{
lock (_thisLock)
{
_entityMap.Remove(entity);
_entitiesCount--;
_entities[index] = _entities[_entitiesCount];
_entities[_entitiesCount] = null !;
}
lock (_toRemove)
{
_toRemove.Add(entity);
}
}
foreach (object component in entity.Components)
{
EntityComponentPool.Release((dynamic)component);
}
_entityPool.Release(entity);
entity = null !;
}
/// <summary> Adds a <typeparamref name="TComponent" /> to the specified <paramref name="entity" /> instance. </summary>
/// <typeparam name="TComponent"> Type of the component. </typeparam>
/// <param name="entity"> The entity. </param>
/// <param name="usePooling"> True to use pooling. </param>
/// <param name="action"> (Optional) The action. </param>
/// <returns> An <see cref="EntityManager" />. </returns>
public EntityManager Add <TComponent>(Entity entity, bool usePooling, Action <TComponent>?action = null)
where TComponent : class
{
TComponent component = usePooling
? EntityComponentPool <TComponent> .Take()
: EntityComponentPool <TComponent> .Create();
action?.Invoke(component);
entity.Add(component);
if (!entity.IsInitialized)
{
return(this);
}
lock (_toChanged)
{
_toChanged.Add(entity);
}
return(this);
}
/// <summary> Removes a <typeparamref name="TComponent" /> from the specified <paramref name="entity" /> instance. </summary>
/// <typeparam name="TComponent"> Type of the component. </typeparam>
/// <param name="entity"> The entity. </param>
/// <param name="usePooling"> True to use pooling. </param>
/// <param name="action"> (Optional) The action. </param>
/// <returns> An <see cref="EntityManager" />. </returns>
public EntityManager Remove <TComponent>(Entity entity, bool usePooling, Action <TComponent>?action = null)
where TComponent : class
{
if (entity.Get(out TComponent component))
{
entity.Remove <TComponent>();
action?.Invoke(component);
if (usePooling)
{
EntityComponentPool <TComponent> .Release(component);
}
if (!entity.IsInitialized)
{
return(this);
}
lock (_toChanged)
{
_toChanged.Add(entity);
}
}
return(this);
}
public static void Release <TComponent>(TComponent component)
where TComponent : class
{
EntityComponentPool <TComponent> .Release(component);
}
