public DecompressedBoardState(int boardHistory)
{
BoardHistoryUtils.ValidateBoardHistory(
boardHistory,
out int currentTurn,
out int playerOneBoardSnapshot,
out int playerTwoBoardSnapshot,
out var boardResult);
BoardHistory = boardHistory;
CurrentTurn = currentTurn;
PlayerOneBoardSnapshot = playerOneBoardSnapshot;
PlayerTwoBoardSnapshot = playerTwoBoardSnapshot;
BoardResult = boardResult;
}
public TakeTurnResult TryTakeTurn(int x, int y, BoardPlayer player, out DecompressedBoardState newDecompressedState)
{
if (CurrentTurn == 9 || BoardResult != BoardResult.InProgress)
{
newDecompressedState = this;
return(TakeTurnResult.NotInProgress);
}
if (player != CurrentPlayer)
{
newDecompressedState = this;
return(TakeTurnResult.WrongPlayer);
}
int unsetIndex = -1;
int targetIndex = y * 3 + x;
int combinedBoardSnapshot = PlayerOneBoardSnapshot | PlayerTwoBoardSnapshot;
for (int i = 0; i < 9; i++)
{
int snapshotIndex = 1 << i;
if ((combinedBoardSnapshot & snapshotIndex) == 0)
{
unsetIndex++;
}
if (targetIndex == i)
{
if ((combinedBoardSnapshot & snapshotIndex) == snapshotIndex)
{
newDecompressedState = this;
return(TakeTurnResult.TileAlreadySet);
}
else
{
int newState = BoardHistoryUtils.SetTurn(BoardHistory, CurrentTurn, unsetIndex);
newDecompressedState = new DecompressedBoardState(newState);
return(TakeTurnResult.Success);
}
}
}
newDecompressedState = this;
return(TakeTurnResult.UnknownFailure);
}