protected override IEnumerable <IKlopCell> FindAvailableCells(KlopCell baseCell)
{
return(Cells.Where(
cell =>
(cell.State == ECellState.Free || (cell.State == ECellState.Alive && cell.Owner != CurrentPlayer)) &&
GetNeighborCells(cell).Any(x => x.Owner == CurrentPlayer)));
}
/// <summary>
/// Resets the game to initial state
/// </summary>
public void Reset()
{
lock (_syncroot)
{
_defeatedPlayers.Clear();
RaiseDefeatedPlayersChanged();
for (var x = 0; x < FieldWidth; x++)
{
for (var y = 0; y < FieldHeight; y++)
{
if (_cells[x, y] == null)
{
_cells[x, y] = new KlopCell(x, y);
}
var cell = _cells[x, y];
cell.Available = false;
cell.Flag = false;
cell.Owner = null;
cell.State = ECellState.Free;
}
}
foreach (var player in Players)
{
var cell = _cells[player.BasePosX, player.BasePosY];
cell.Owner = player;
cell.State = ECellState.Base;
}
RemainingKlops = TurnLength;
CurrentPlayerIndex = 0;
UpdateCellsAvailableAndFlagStatus();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="KlopModel"/> class.
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="players">The players.</param>
/// <param name="turnLenght">The turn lenght.</param>
public KlopModelBase(int width, int height, IEnumerable <IKlopPlayer> players, int turnLenght)
{
_fieldWidth = width;
_fieldHeight = height;
_players = players.ToArray();
TurnLength = turnLenght;
if (width < 10 || height < 10)
{
throw new ArgumentException("Width and height must be greater than 9");
}
if (_players.Length < 2)
{
throw new ArgumentException("Need two or more players");
}
if (_players.Any(player => !CheckCoordinates(player.BasePosX, player.BasePosY)))
{
throw new ArgumentException("Player base is outside of field!");
}
// initialize field
_cells = new KlopCell[width, height];
_history = new Stack <KlopCell>();
Reset();
// initialize players
foreach (var player in _players)
{
player.SetModel(this);
}
}
/// <summary>
/// Mark cells where turn is possible as available
/// </summary>
/// <param name="baseCell">The base cell.</param>
protected virtual IEnumerable <IKlopCell> FindAvailableCells(KlopCell baseCell)
{
if (baseCell.Owner != CurrentPlayer || baseCell.Flag)
{
yield break;
}
baseCell.Flag = true;
foreach (KlopCell cell in GetNeighborCells(baseCell))
{
if (cell.Flag)
{
continue;
}
if (cell.Owner == CurrentPlayer)
{
// Continue tree search
foreach (var c in FindAvailableCells(cell))
{
yield return(c);
}
continue;
}
if (cell.State != ECellState.Free && cell.State != ECellState.Alive)
{
continue;
}
// Can go to free cell or eat enemy klop
cell.Flag = true;
yield return(cell);
}
}