public string UpdateGameState(Model.Game gameSession, int x, int y)
{
if (gameSession.State == Model.Game.GameState.Finished)
{
throw new ReversiException($"Game has finished, scores are: {gameSession.PlayerOne}={gameSession.PlayerOneScore} - {gameSession.PlayerTwo}={gameSession.PlayerTwoScore}");
}
gameSession.State = Model.Game.GameState.Ongoing;
var disc = gameSession.NextPlayer == gameSession.PlayerOne ? 'X' : 'O';
try
{
if (x == -1 && y == -1)
{
var moves = Reversi.GetMoves(gameSession.Board as char[, ], disc);
if (moves.Length != 0)
{
throw new ReversiException("Only allowed to skip when no moves are available");
}
// Two skips in a row = game finished
var lastMove = gameSession.Moves.Last();
if (lastMove.X == -1 && lastMove.Y == -1)
{
gameSession.State = Model.Game.GameState.Finished;
}
}
else
{
gameSession.Board = Reversi.Move(gameSession.Board as char[, ], x, y, disc);
}
gameSession.Turn++;
gameSession.Moves.Add(new Model.Game.Move {
Disc = disc, X = x, Y = y
});
var otherDisc = disc == 'X' ? 'O' : 'X';
if (GetPossibleMoves(gameSession.Board as char[, ], disc).Length == 0 && GetPossibleMoves(gameSession.Board as char[, ], otherDisc).Length == 0)
{
gameSession.State = Model.Game.GameState.Finished;
}
return(null);
}
catch (ReversiException e)
{
return($"You did somthing you shouldn't have done...{Environment.NewLine}{e.Message}");
}
}