/// <summary>
/// If it is the players turn it returns a TurnDTO with the available moves
/// </summary>
/// <param name="gameId"></param>
/// <param name="player"></param>
/// <returns></returns>
public static OutgoingMessage StartTurn(Guid gameId, Player player)
{
Game game = GameRepository.Instance.getGame(gameId);
if (AvailableMoveService.IsGameOver(game.board))
{
return(new EndGameDTO()
{
reason = EndReason.GAME_OVER,
winner = AvailableMoveService.GetWinner(game.board)
});
}
if (game.turn != player)
{
throw new ArgumentOutOfRangeException("It is not " + player.ToString() + "'s Turn.");
}
var jumpMoves = AvailableMoveService.GetAllJumpMoves(game.board, player);
return(new TurnDTO()
{
board = game.board,
moves = jumpMoves.Count != 0 ? jumpMoves : AvailableMoveService.GetMoves(game.board, game.turn)
});
}
/// <summary>
/// Applies the move to the board. If there are mandatory moves it returns a list containing it.
/// If the turn is over, it returns a turnDTO with an empty list of moves
/// </summary>
/// <param name="gameId"></param>
/// <param name="move"></param>
/// <returns></returns>
public static OutgoingMessage TakeTurn(Guid gameId, ActionDTO action)
{
//---Apply Move---
Game game = GameRepository.Instance.getGame(gameId);
Move move = new Move()
{
MoveTo = action.moveTo,
Piece = game.board.Get(action.moveFrom.Item1, action.moveFrom.Item2)
};
bool isKingBefore = move.Piece.IsKing;
if (!AvailableMoveService.GetMoves(game.board, game.turn).Contains(move))
{
throw new ArgumentOutOfRangeException("Invalid move");
}
game.board.ApplyMove(move);
//---Check for Game Over---
if (AvailableMoveService.IsGameOver(game.board))
{
return(new EndGameDTO()
{
reason = EndReason.GAME_OVER,
winner = AvailableMoveService.GetWinner(game.board)
});
}
//---Check for forced jump moves---
var jumpMoves = new List <Move>();
var to = action.moveTo;
var loc = action.moveFrom;
bool isKingAfter = game.board.Get(to.Item1, to.Item2).IsKing;
if (Math.Abs(loc.Item1 - to.Item1) == 2 &&
Math.Abs(loc.Item2 - to.Item2) == 2 &&
!(isKingBefore != isKingAfter))
{
jumpMoves = AvailableMoveService.GetJumpMoves(game.board, game.board.Get(to.Item1, to.Item2));
}
if (jumpMoves.Count == 0)
{
game.turn = (game.turn == Player.BLACK) ? Player.RED : Player.BLACK;
}
GameRepository.Instance.update(gameId, game);
return(new TurnDTO()
{
board = game.board,
moves = jumpMoves
});
}