public CellState Attack(BoardCellLocation location)
{
if (location == null)
{
throw new ArgumentNullException(nameof(location));
}
ValidateCurrentGameStatus(GameStatus.InProgress, GameStatus.NotStarted);
var boardCell = Board.GetCells().Where(x => x.Location == location).FirstOrDefault()
?? throw new CellNotFoundException(location);
var targetState = GetAttachTargetState(boardCell.State)
?? throw new IllegitimateTransitionException(boardCell, CellState.Hit);
TransitionCellState(boardCell, targetState);
return(targetState);
}
public CellsNotVacantException(BoardCellLocation location)
: base(nameof(CellsNotVacantException))
{
Location = location;
}
public CellNotFoundException(BoardCellLocation location)
: base(nameof(CellNotFoundException))
{
Location = location;
}