/// <summary>
/// 다음 수를 AI가 선택해서 포지션을 반환합니다.
/// </summary>
/// <param name="board"></param>
/// <returns></returns>
public static nPoint GetPutNextPosition(nBoard board)
{
if (IsSameLineExist(board))
{
return(null);
}
if (Tool.IsFullBoard(board))
{
return(null);
}
// board에서 게임 끝날 라인이 있는지 확인한다.
var AIBoardList = brain[board.PuttingCount];
int listIndex = 0;
nPoint putPos;
putPos = GetCliffPos(board, Game.GetCurrentTurn());
if (putPos == null)
{ // 이 보드를 가지고 있다면?
if (IsBrainGettedBoard(board, AIBoardList, out listIndex))
{
// 최고의 승률 포지션 구하기
float bestWinAverage = 0;
nPoint bestWinAveragePos = new nPoint();
Tool.DoTicTacToeArray((x, y) =>
{
if (board[x, y].player != Players.NULL)
{
return(true);
}
float nowWinAverage = AIBoardList[listIndex][x, y].WinAverage;
if (nowWinAverage >= bestWinAverage)
{
bestWinAverage = nowWinAverage;
bestWinAveragePos.x = x;
bestWinAveragePos.y = y;
}
return(true);
});
putPos = bestWinAveragePos;
}
else
{
putPos = GetAnyVoidPos(board);
}
}
return(putPos);
}
/// <summary>
/// 다음 수를 둡니다.
/// </summary>
/// <param name="position"></param>
/// <returns></returns>
public static bool PutNext(nPoint position, bool withAIGame)
{
if (position == null)
{
return(false);
}
if (IsAvailablePosition(position) == false)
{
return(false);
}
if (IsCanNext(position) == true)
{
// 바뀌기 이전을 기록한다.
board.lastPutPosition = position;
board[position].player = currentTurn;
Recorder.RecordNext(board);
ChangeTurn();
if (IsSameLineExist(board) || Tool.IsFullBoard(board))
{
currentTurn = Players.NULL;
SetWL();
Recorder.RecordEndGame(winner, loser);
if (withAIGame == false)
{
AI.Learn(Recorder.GetRecord());
}
}
}
else
{
return(false);
}
return(true);
}