/// <summary>
/// Unregisters engagement dependency.
/// </summary>
public void UnregisterDependency(IEquipmentEngagementDependency dependency)
{
dependency.EngagementAllowed -= OnDependencyAllowedEngagement;
dependency.EngagementProhibited -= OnDependencyProhibitedEngagement;
_dependencies.Remove(dependency);
}
/// <summary>
/// Registers object that determines whether that equipment is allowed to be powered on
/// by some subsystem or another external or internal dependency.
/// </summary>
public void RegisterDependency(IEquipmentEngagementDependency dependency)
{
Assert.IsTrue(dependency.Equipment == this, "Attempted to register foreign dependency.");
_dependencies.Add(dependency);
dependency.EngagementAllowed += OnDependencyAllowedEngagement;
dependency.EngagementProhibited += OnDependencyProhibitedEngagement;
}
private void OnDependencyProhibitedEngagement(IEquipmentEngagementDependency sender)
{
Assert.IsTrue(_dependencies.Contains(sender), "Reacted to dependency that wasn't in dependencies list.");
if (Enabled)
{
Disengage();
}
}
private void OnDependencyAllowedEngagement(IEquipmentEngagementDependency sender)
{
if (!IsInstalled)
{
return;
}
//We don't need to (un)subscribe from/to dependencies since there should be
//no external references to them preventing equipment to be garbage-collected (if it no longer needed).
//Although Equipment.Destroy is coming anyway, so it would be good to unregister all dependencies in it.
Assert.IsTrue(_dependencies.Contains(sender), "Reacted to dependency that wasn't in dependencies list.");
TryToEngage();
}
