/// <summary>
/// 一手戻る
/// </summary>
/// <returns></returns>
public bool Back()
{
// 置ける場所を変更する
_possiblePoints1 = null;
_possiblePoints2 = null;
if (Count > 0)
{
// Listの最後を除去
_boardList.Remove(_boardList.Last());
Count--;
Turn *= -1;
var points = GetPossiblePoints(Turn);
if (points.Count == 0) //また置ける場所が0だったら
{
OnPassEvent(this, Turn);
}
else
{
Condition = OthelloCondition.Wait;
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 置かずにパスする（置ける場合も実行可能）
/// </summary>
//フィールドにパスカウントやっといて、２回連続なら判定するように
//パスしなければ0に戻すようなかんじ
public void Pass()
{
// 置ける場所を変更する
_possiblePoints1 = null;
_possiblePoints2 = null;
_boardList.Add(Board.Clone() as int[, ]);
Count++;
Turn *= -1;
Condition = OthelloCondition.Wait;
}
/// <summary>
/// 石を置く
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
public bool Put(Point point)
{
if (Board[point.x, point.y] != 0) //空じゃないなら
{
return(false); //おけない
}
// 置ける場所を変更する
_possiblePoints1 = null;
_possiblePoints2 = null;
_boardList.Add(Board.Clone() as int[, ]);
Count++;
bool putFlag = false;
for (int i = 0; i < 8; i++)
{
if (point.x + Dir[i].x < 0 ||
point.x + Dir[i].x > 7 ||
point.y + Dir[i].y < 0 ||
point.y + Dir[i].y > 7)
{
continue;
}
if (Board[point.x + Dir[i].x, point.y + Dir[i].y] == -Turn) //一つ隣が相手の色なら
{
int k = 1; //ベクトルの係数
while (true)
{
k++;
if (point.x + k * Dir[i].x < 0 ||
point.x + k * Dir[i].x > 7 ||
point.y + k * Dir[i].y < 0 ||
point.y + k * Dir[i].y > 7)
{
break;
}
if (Board[point.x + k * Dir[i].x, point.y + k * Dir[i].y] == 0)
{
break;
}
if (Board[point.x + k * Dir[i].x, point.y + k * Dir[i].y] == Turn)
{
putFlag = true;
for (; k >= 1; k--)
{
Board[point.x + k * Dir[i].x, point.y + k * Dir[i].y] = Turn;
}
break;
}
}
}
}
if (putFlag)
{
Board[point.x, point.y] = Turn;
Turn *= -1;
if (GetPossiblePoints(Turn).Count == 0)
{
if (GetPossiblePoints(-Turn).Count() == 0)
{
var bnum = GetDiscNumber(-1);
var wnum = GetDiscNumber(1);
if (bnum == wnum)
{
OnEndEvent(this, 0);
}
else if (wnum < bnum)
{
OnEndEvent(this, -1);
}
else
{
OnEndEvent(this, 1);
}
}
else
{
OnPassEvent(this, Turn);
}
}
else
{
Condition = OthelloCondition.Wait;
}
return(true);
}
else
{
_boardList.RemoveAt(_boardList.Count - 1);
Count--;
return(false);
}
}
