protected override void PostConstruct()
{
base.PostConstruct();
var onFocus = PlayerControl.OnFocusChange;
var ticks = TimeSource.OnProcess;
var showTitle = onFocus.Select(e => e.IsSome);
var entity = onFocus.Where(e => e.IsSome).Select(e => e.First());
var title = entity.Select(e => e.DisplayName);
var action = ticks
.CombineLatest(entity, (_, e) => e)
.Select(target => PlayerControl.Character
.Bind(p => p.FindAction(new InteractionContext(p, target), a => a is Interaction))
.Map(a => a.DisplayName)
.HeadOrNone());
var showAction = action.Select(a => a.IsSome);
var position = ticks
.CombineLatest(entity, (_, e) => e)
.Select(e => PlayerControl.Camera.UnprojectPosition(e.LabelPosition))
.Select(pos => new Vector2(pos.x - Node.RectSize.x / 2f, pos.y - Node.RectSize.y / 2f));
var onDispose = Disposed.Where(identity);
showTitle
.TakeUntil(onDispose)
.Subscribe(v => Node.Visible = v, this);
ActionPanel.Iter(panel =>
{
showAction
.TakeUntil(onDispose)
.Subscribe(v => panel.Visible = v, this);
});
title
.TakeUntil(onDispose)
.Subscribe(v => TitleLabel.Text = v, this);
ActionLabel.Iter(label =>
{
action
.TakeUntil(onDispose)
.Subscribe(a => a.Iter(v => label.Text = v), this);
});
position
.TakeUntil(onDispose)
.Subscribe(pos => Node.RectPosition = pos.Round(), this);
var shortcut = InputMap
.GetActionList(InteractAction)
.OfType <InputEvent>()
.Bind(e => e.FindKeyLabel())
.HeadOrNone()
.IfNone(DefaultKeyLabel);
//TODO Handle key mapping changes.
ShortcutLabel.Iter(l => l.Text = shortcut);
}
