/// <summary>
/// Method invoked when an extension is removed from the parent agent
/// </summary>
/// <param name="extension">Removed extension</param>
private void ParentAgentOnExtensionRemoved(IScenarioElementExtension extension)
{
if (extension is AgentBehaviour behaviourExtension)
{
behaviourExtension.BehaviourChanged -= ParentAgentOnBehaviourChanged;
}
}
/// <summary>
/// Gets an agent's extension or adds a new one and returns it
/// </summary>
/// <param name="type">Extension type to get</param>
/// <param name="defaultValue">Value that will be added if there is no extension available</param>
/// <returns>Agent's extension of the given type</returns>
public IScenarioElementExtension GetOrAddExtension(Type type, IScenarioElementExtension defaultValue = null)
{
if (Extensions.TryGetValue(type, out var extension))
{
return(extension);
}
if (defaultValue == null)
{
defaultValue = Activator.CreateInstance(type) as IScenarioElementExtension;
}
if (defaultValue == null)
{
return(null);
}
Extensions.Add(type, defaultValue);
defaultValue.Initialize(this);
ExtensionAdded?.Invoke(defaultValue);
return(defaultValue);
}
