public void Advance(IPlayer player, int pieceIndex)
{
player.Pieces = player.Pieces
.Select((pieceLocation, index) =>
{
if (index == pieceIndex)
{
if (pieceLocation == -1)
{
pieceLocation = ColorPositions.StartPosition(player.Color);
}
var nextLocation = pieceLocation + player.PreviousDieRoll;
if (!ColorPositions.OutsideWinningPosition(player.Color, nextLocation))
{
return(nextLocation);
}
}
return(pieceLocation);
})
.ToArray();
}
public bool HasWon(IPlayer player)
{
return(player.Pieces.Intersect(ColorPositions.WinPositions(player.Color)).Count() == 4);
}