/// <summary>
/// 局面ハッシュを再計算するぜ☆（＾▽＾）
/// </summary>
/// <returns></returns>
public void Tukurinaosi(Kyokumen ky)
{
ulong hash = 0;
// 盤上
Bitboard komaBB = new Bitboard();
for (int iTai = 0; iTai < Conv_Taikyokusya.AllOptionalPhaseList.Length; iTai++)
{
var optionalPhase = Conv_Taikyokusya.AllOptionalPhaseList[iTai];
for (int iKs = 0; iKs < Conv_Komasyurui.Itiran.Length; iKs++)
{
Komasyurui ks = Conv_Komasyurui.Itiran[iKs];
Koma km = Med_Koma.KomasyuruiAndTaikyokusyaToKoma(ks, optionalPhase);
ky.Shogiban.ToSet_BBKoma(km, komaBB);
while (komaBB.Ref_PopNTZ(out Masu ms))
{
hash ^= Util_ZobristHashing.GetBanjoKey(ms, km, ky.Sindan);
}
}
}
// 持ち駒
foreach (MotiKoma mk in Conv_MotiKoma.Itiran)
{
hash ^= Util_ZobristHashing.GetMotiKey(ky.Sindan, mk);
}
// 手番
hash ^= Util_ZobristHashing.GetTaikyokusyaKey(ky.CurrentOptionalPhase, ky.Sindan);
Value = hash;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static ulong GetTaikyokusyaKey(Option <Phase> optionalPhase, Kyokumen.Sindanyo kys)
{
if (Util_ZobristHashing.Dirty)
{
Util_ZobristHashing.Tukurinaosi(kys);
}
return(Util_ZobristHashing.m_tbTaikyokusya_[OptionalPhase.IndexOf(optionalPhase)]);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static ulong GetMotiKey(Kyokumen.Sindanyo kys, MotiKoma mk)
{
if (Util_ZobristHashing.Dirty)
{
Util_ZobristHashing.Tukurinaosi(kys);
}
return(Util_ZobristHashing.m_motiKeys_[(int)mk][kys.CountMotikoma(mk)]);
}