public object onDahai(int actor, Pai pai, bool tsumogiri)
{
foreach (var component in components)
{
component.onDahai(actor, pai, tsumogiri);
}
if (actor == id)
{
tehai.Remove(pai);
return(Protocol.none());
}
else
{
List <SelectionType> alternatives = new List <SelectionType>();
if ((actor + 1) % 4 == id && Algorithm.canChi(tehai, pai))
{
alternatives.Add(SelectionType.Chi);
}
if (Algorithm.canPon(tehai, pai))
{
Console.WriteLine(string.Join(", ", tehai.Select(p => p.ToString()).ToArray()));
alternatives.Add(SelectionType.Pon);
}
if (Algorithm.canKan(tehai, pai))
{
alternatives.Add(SelectionType.Kan);
}
if (Algorithm.canRon(tehai, pai))
{
alternatives.Add(SelectionType.Ron);
}
if (!alternatives.Any())
{
return(Protocol.none());
}
else
{
alternatives.Add(SelectionType.Pass);
return(window.Select2(alternatives).match <object>(
(pai1, pai2) =>
Protocol.chi(id, actor, pai, new List <Pai> {
pai1, pai2
})
,
(pai1, pai2) =>
Protocol.pon(id, actor, pai, new List <Pai> {
pai1, pai2
})
,
() =>
Protocol.kan(id, actor, pai, tehai.FindAll(p => p.RemoveRed() == pai.RemoveRed()))
,
() =>
Protocol.hora(id, actor, pai)
,
() =>
Protocol.none()
));
}
}
}
