public void Place(VectorInt location)
{
var turnables = GetTurnableStones(location);
if (turnables.Count == 0)
{
throw new ArgumentException(null, nameof(location));
}
Board[location.X, location.Y] = CurrentStone;
turnables.ForEach(l => Board[l.X, l.Y] = CurrentStone);
CurrentStone = CurrentStone.Invert();
Update();
if (PlaceableLocations.Length == 0)
{
// パス
CurrentStone = CurrentStone.Invert();
Update();
if (PlaceableLocations.Length == 0)
{
// ゲームセット
IsGameSet = true;
}
}
}
private IEnumerable <VectorInt> GetTurnableStones(VectorInt location, VectorInt way)
{
var t = new List <VectorInt>();
var cur = location;
cur += way;
var yourStone = CurrentStone.Invert();
var endsWithMyStone = false;
while (0 <= cur.X && 0 <= cur.Y && cur.X <= 7 && cur.Y <= 7)
{
var s = Board[cur.X, cur.Y];
endsWithMyStone = s == CurrentStone;
if (s == yourStone)
{
t.Add(cur);
}
else
{
break;
}
cur += way;
}
return(endsWithMyStone ? t : Array.Empty <VectorInt>());
}