private void PlayAITurn()
{
Board.ResetSpaceColors();
SelectedCard = AIPlayer.SelectCardToPlay();
BoardCardSpace boardSpace = AIPlayer.SelectSpaceToPlayOn(SelectedCard);
PlayCard(boardSpace);
}
private void PlayCard(BoardCardSpace boardSpace)
{
Card playedCard = SelectedCard.TakeCard();
boardSpace.PlaceCard(playedCard);
Board.FlipFlopCard(boardSpace, ActivePlayer.Id);
RoundOver();
}
public void TryToPlayCard(string boardSpaceName)
{
if (SelectedCard == null || SelectedCard.IsEmpty)
{
return;
}
BoardCardSpace boardSpace = Board.GetByName(boardSpaceName);
if (!boardSpace.IsEmpty)
{
return;
}
PlayCard(boardSpace);
}
private BoardCardSpace FindRandomEmptyNeighbouringSpace(BoardCardSpace boardSpace)
{
List <Direction> directions = new List <Direction> {
Direction.Left, Direction.Right, Direction.Up, Direction.Down
};
for (int i = 0; i < 4; i++)
{
Direction randomDirection = directions[random.Next(directions.Count)];
directions.Remove(randomDirection);
BoardCardSpace neighbouringSpace = Board.GetNeighbour(boardSpace, randomDirection);
if (neighbouringSpace != null && neighbouringSpace.Card == null)
{
return(neighbouringSpace);
}
}
//returns null if it fails to find an empty neighbour
return(null);
}
public override BoardCardSpace SelectSpaceToPlayOn(PlayerCardSpace selectedCard)
{
//The AI will always take the highest card it can on the board where possible
List <BoardCardSpace> spacesThatCanBeTaken = Board.Spaces.Where(x =>
x.Card != null &&
x.Card.Value < selectedCard.Card.Value &&
x.Owner != 2)
.OrderByDescending(x => x.Card.Value)
.ToList();
if (spacesThatCanBeTaken != null)
{
foreach (BoardCardSpace boardSpace in spacesThatCanBeTaken)
{
BoardCardSpace emptyNeighbouringSpace = FindRandomEmptyNeighbouringSpace(boardSpace);
if (emptyNeighbouringSpace != null)
{
return(emptyNeighbouringSpace);
}
}
}
return(Board.RandomEmptySpace());
}