public void SetTargetState(BaseAspect aspect, Mobile target, TimeSpan duration)
{
Dictionary <Mobile, State> states;
if (!States.TryGetValue(this, out states) || states == null)
{
States.AddOrReplace(this, val => val ?? (states = new Dictionary <Mobile, State>()));
}
states.AddOrReplace(
target,
state =>
{
if (state == null)
{
state = new State(this, aspect, target, duration);
}
else
{
OnRemoved(state);
state.Aspect = aspect;
state.Target = target;
state.Expire = DateTime.UtcNow + duration;
}
OnAdded(state);
return(state);
});
}