/// Destroys the entity, removes all its components and pushs it back
/// to the internal ObjectPool for entities.
private void DestroyEntity(Entity entity)
{
var removed = _entities.Remove(entity);
if (!removed)
{
throw new ContextDoesNotContainEntityException(
"'" + this + "' cannot destroy " + entity + "!",
"This cannot happen!?!"
);
}
_entitiesCache = null;
if (OnEntityWillBeDestroyed != null)
{
OnEntityWillBeDestroyed(this, entity);
}
entity.InternalDestroy();
if (OnEntityDestroyed != null)
{
OnEntityDestroyed(this, entity);
}
if (entity.retainCount == 1)
{
// Can be released immediately without
// adding to _retainedEntities
entity.OnEntityReleased -= _cachedEntityReleased;
_reusableEntities.Push(entity);
entity.Release(this);
entity.RemoveAllOnEntityReleasedHandlers();
}
else
{
_retainedEntities.Add(entity);
entity.Release(this);
}
}