// Performs full consistency checks, only the first time
private GameBoard(int boardSize, FullPlayerSpecPair specs)
{
BoardSize = boardSize;
(Player1, Player2) = specs.Map(x => x.Player);
var positions = specs.Map(x => x.Positions.ToList());
#if DEBUG
CheckPieces(boardSize, positions);
#endif
(BallCarrier1, BallCarrier2) = positions.Zip(specs, (l, spec) => l[spec.BallIndex]);
(_player1Positions, _player2Positions) = positions.Map(ImmutableHashSet.CreateRange);
var lookupBuilder = ImmutableDictionary.CreateBuilder <Position2D, Player>();
specs.Map(spec => spec.Positions.Select(p => new KeyValuePair <Position2D, Player>(p, spec.Player)))
.ForEach(lookupBuilder.AddRange);
_boardLookup = lookupBuilder.ToImmutable();
}
/// <summary>
/// Creates a new game, initialised with the given player specs.
/// The first player to play is chosen randomly.
/// </summary>
/// <param name="size">Size of the board</param>
/// <param name="specs">Board configuration for each player</param>
/// <returns>A new game</returns>
public static Game Init(int size, FullPlayerSpecPair specs)
{
return(new Game(size, specs, Rng.Next(0, 2) == 1));
}
/// <summary>
/// Creates a new game, initialised with the given player specs.
/// </summary>
/// <param name="size">Size of the board</param>
/// <param name="specs">Board configurations for each player</param>
/// <param name="isFirstPlayerPlaying">Whether player 1 is the first to start playing or not</param>
/// <returns>A new game</returns>
public static Game Init(int size, FullPlayerSpecPair specs, bool isFirstPlayerPlaying)
{
return(new Game(size, specs, isFirstPlayerPlaying));
}
// Only to initialise the game
private Game(int size, FullPlayerSpecPair specs, bool isFirstPlayerPlaying)
{
Memento = new RootMemento(specs, size, isFirstPlayerPlaying);
}
// Called to build an initial state
private GameState(int size, FullPlayerSpecPair specs, bool isFirstPlayerPlaying)
: base(GameBoard.Create(size, specs))
{
CurrentPlayer = isFirstPlayerPlaying ? Player1 : Player2;
}
public RootMemento(FullPlayerSpecPair specs, int boardSize, bool isFirstPlayerPlaying) : base(null)
{
IsFirstPlayerPlaying = isFirstPlayerPlaying;
BoardSize = boardSize;
Specs = specs;
}
