internal void RegisterSubsystem(Subsystem system)
{
if (system != null)
{
m_subsystems.Add(system);
}
}
/// <summary>
/// Checks if the command requires the given <see cref="Subsystem"/>.
/// </summary>
/// <param name="system">The system</param>
/// <returns>Whether or not the subsystem is required, or false if given null.</returns>
public bool DoesRequire(Subsystem system)
{
lock (m_syncRoot)
{
return m_requirements?.Contains(system) ?? false;
}
}
public AttributedMockCommand(Subsystem subsystem)
{
m_subsystem = subsystem;
}
/// <summary>
/// This method specifies that the given <see cref="Subsystem"/> is used by this command.
/// </summary><remarks>
/// This method is crucial to the functioning of the Command System in general.
/// <para> </para>
/// Note that the recommended way to call this method is in the constructor.
/// </remarks>
/// <param name="subsystem">The <see cref="Subsystem"/> required</param>
/// <exception cref="ArgumentNullException">If subsystem is null</exception>
/// <exception cref="IllegalUseOfCommandException">If this command has started before or if it has been given to a <see cref="CommandGroup"/></exception>
/// <seealso cref="Subsystem"/>
protected internal void Requires(Subsystem subsystem)
{
lock (m_syncRoot)
{
Validate("Can not add new requirement to command");
if (subsystem != null)
{
if (m_requirements == null)
m_requirements = new HashSet<Subsystem>();
m_requirements.Add(subsystem);
}
else
{
throw new ArgumentNullException(nameof(subsystem), "Subsystem must not be null.");
}
}
}
public void AddRequires(Subsystem subsystem)
{
Requires(subsystem);
}