/// <inheritdoc/>
/// <remarks>
/// The behaviors are stored in the specified <see cref="EntityBehaviors"/> of the <see cref="SimulationWrapper"/>.
/// This can be a local collection, allowing you to keep a part of the behaviors separate.
/// </remarks>
public void Run(IEntityCollection entities)
{
void BehaviorsNotFound(object sender, BehaviorsNotFoundEventArgs args)
{
if (entities.TryGetEntity(args.Name, out var entity))
{
entity.CreateBehaviors(this);
if (EntityBehaviors.TryGetBehaviors(entity.Name, out var container))
{
args.Behaviors = container;
}
}
else
{
args.Behaviors = Parent.EntityBehaviors[args.Name];
}
}
EntityBehaviors.BehaviorsNotFound += BehaviorsNotFound;
foreach (var entity in entities)
{
if (!EntityBehaviors.Contains(entity.Name))
{
entity.CreateBehaviors(this);
}
}
EntityBehaviors.BehaviorsNotFound -= BehaviorsNotFound;
}
/// <summary>
/// Creates all behaviors for the simulation.
/// </summary>
/// <param name="entities">The entities.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="entities"/> is <c>null</c>.</exception>
protected virtual void CreateBehaviors(IEntityCollection entities)
{
entities.ThrowIfNull(nameof(entities));
EntityBehaviors = new BehaviorContainerCollection(entities.Comparer);
// Automatically create the behaviors of entities that need priority
void BehaviorsNotFound(object sender, BehaviorsNotFoundEventArgs args)
{
if (entities.TryGetEntity(args.Name, out var entity))
{
entity.CreateBehaviors(this);
if (EntityBehaviors.TryGetBehaviors(entity.Name, out var container))
{
args.Behaviors = container;
}
}
}
EntityBehaviors.BehaviorsNotFound += BehaviorsNotFound;
// Create the behaviors
Statistics.BehaviorCreationTime.Start();
try
{
foreach (var entity in entities)
{
if (!EntityBehaviors.Contains(entity.Name))
{
entity.CreateBehaviors(this);
}
}
}
finally
{
Statistics.BehaviorCreationTime.Stop();
}
EntityBehaviors.BehaviorsNotFound -= BehaviorsNotFound;
}
/// <inheritdoc/> public bool TryGetEntity(string name, out IEntity entity) => _entities.TryGetEntity(name, out entity);