/// <summary>
/// 初始化一个黑白棋棋盘, 大小为 8*8. 中间 4 个初始棋子为白黑白黑.
/// </summary>
private ReversiGame()
{
CurrentBoard = new ReversiPiece[BoardSize, BoardSize];
for (int i = 0; i < BoardSize; i++)
{
for (int j = 0; j < BoardSize; j++)
{
CurrentBoard[i, j] = ReversiPiece.Empty;
}
}
CurrentBoard[BoardSize / 2 - 1, BoardSize / 2 - 1] = ReversiPiece.White;
CurrentBoard[BoardSize / 2, BoardSize / 2 - 1] = ReversiPiece.Black;
CurrentBoard[BoardSize / 2 - 1, BoardSize / 2] = ReversiPiece.Black;
CurrentBoard[BoardSize / 2, BoardSize / 2] = ReversiPiece.White;
// TODO: 删除用于调试的初始棋局
/*CurrentBoard[0, 0] = ReversiPiece.Black;
* CurrentBoard[0, 1] = ReversiPiece.Black;
* CurrentBoard[1, 0] = ReversiPiece.White;
* CurrentBoard[1, 1] = ReversiPiece.White;*/
CurrentGame = this;
CurrentPiece = ReversiPiece.Black;
LastPiece = ReversiPiece.White;
LastPosition = new ReversiPiecePosition(4, 4);
TotalSteps = 0;
reversiBuffer = new ReversiBuffer();
IsBusy = false;
isRegretEnabled = false;
MaxRegretSteps = 0;
gameStateStack = new RecersiGameStateStack();
UpdateState();
ResetBuffer();
}
/// <summary>
/// 初始化一个有特定棋局的黑白棋棋盘, 其棋局由参数确定.
/// </summary>
/// <param name="initialReversiBoard">是一个二维数组, 指定黑白棋棋局.</param>
private ReversiGame(ReversiPiece[,] initialReversiBoard)
{
CurrentBoard = initialReversiBoard;
CurrentGame = this;
CurrentPiece = ReversiPiece.Black;
LastPiece = ReversiPiece.White;
LastPosition = new ReversiPiecePosition(4, 4);
reversiBuffer = new ReversiBuffer();
IsBusy = false;
UpdateState();
ResetBuffer();
}
/// <summary>
/// 重建缓存
/// </summary>
private void ResetBuffer()
{
reversiBuffer = null;
if (!IsGameOver)
{
reversiBuffer = new ReversiBuffer();
ReversiPiecePosition tempPosition;
List <ReversiPiecePosition> tempReverseList;
int x, y;
bool isThisPositionEnabled;
bool haveDiffPiece;
for (int i = 0; i < ReversiGame.BoardSize; i++)
{
for (int j = 0; j < ReversiGame.BoardSize; j++)
{
if (GetpieceInBoard(j, i) != ReversiPiece.Empty)
{
continue;
}
tempPosition = new ReversiPiecePosition(j, i);
isThisPositionEnabled = false;
for (int k = 0; k < 8; k++)
{
x = j;
y = i;
haveDiffPiece = false;
tempReverseList = new List <ReversiPiecePosition>();
while (true)
{
x += ReversiDirections.Num(k).X;
y += ReversiDirections.Num(k).Y;
if (GetpieceInBoardWithoutException(x, y) == ReversiPiece.Empty)
{
break;
}
else if (GetpieceInBoardWithoutException(x, y) == GetReversepiece(CurrentPiece))
{
tempReverseList.Add(new ReversiPiecePosition(x, y));
haveDiffPiece = true;
}
else
{
if (!haveDiffPiece)
{
break;
}
if (!isThisPositionEnabled)
{
reversiBuffer.AddNewEnabledPosition(tempPosition);
}
isThisPositionEnabled = true;
foreach (ReversiPiecePosition rpp in tempReverseList)
{
reversiBuffer.AllBufferPositions[reversiBuffer.AllBufferPositions.Count - 1].AllReversePositions.Add(rpp);
}
break;
}
}
}
}
}
}
}