/// <summary>
/// Makes the move for a computer player (should only be called by a timer)
/// </summary>
private void makeComputerMove(bool computerOnlyOverride)
{
if (game.NumberOfPlayingPlayers == 1)
{
// Close the game view
gameView.Close();
return;
}
// Stop if for some reason this method got called when it's actually a human
if (game.CurrentPlayer.Type == Player.PlayerType.Human && !computerOnlyOverride)
{
return;
}
// Set a flag to check if it should be smart (easier than referencing the type all the time)
bool smart = game.CurrentPlayer.Type == Player.PlayerType.SmartComputer;
// Make cards easier to access
List <Card> cards = game.CurrentGamePlayer.Cards;
// Store cards that can be played in a list
List <Card> playableCards = new List <Card>(Game.MAXUNOCARDS);
if (smart)
{
// Look for cards the same color
foreach (Card c in cards)
{
if (CanPlayCard(c) && game.CurrentColor == c.Color)
{
playableCards.Add(c);
}
}
// If no cards of the same color were found, look for any with the same face value
if (playableCards.Count <= 0)
{
foreach (Card c in cards)
{
if (CanPlayCard(c) && game.CurrentFace == c.Face)
{
playableCards.Add(c);
}
}
}
// If still no cards are found, look for any wilds to play
if (playableCards.Count <= 0)
{
foreach (Card c in cards)
{
if (CanPlayCard(c) && c.Color == Card.CardColor.Wild)
{
playableCards.Add(c);
}
}
}
}
else
{
// Look for any cards that can be played
foreach (Card c in cards)
{
if (CanPlayCard(c))
{
playableCards.Add(c);
}
}
}
// Choose a card to play
if (playableCards.Count > 0)
{
Random random = new Random();
Card selectedCard;
if (smart)
{
// Smart player should choose the highest-value card (as its good to get rid of more points if using Uno scoring)
sortCards(playableCards);
selectedCard = playableCards.Last();
}
else
{
// Choose a card randomly to play
selectedCard = playableCards[random.Next(0, playableCards.Count)];
}
// If the card's a wild, randomly choose a color
if (selectedCard.Color == Card.CardColor.Wild)
{
if (smart)
{
List <Card.CardColor> colorsToChoose = new List <Card.CardColor>();
Dictionary <Card.CardColor, int> colorCounts = new Dictionary <Card.CardColor, int>();
Card.CardColor greatestColor;
// Reset the color counts
for (int i = 0; i < Card.NUMBEROFCOLORS - 1; i++)
{
colorCounts.Add((Card.CardColor)i, 0);
}
// Add 1 to the count of the color for each card
foreach (Card c in cards)
{
if (c.Color != Card.CardColor.Wild)
{
colorCounts[c.Color]++;
}
}
// Set the greatest color to the first one
greatestColor = (Card.CardColor) 0;
// Look for the greatest color
for (int i = 1; i < (Card.NUMBEROFCOLORS - 1); i++)
{
if (colorCounts[greatestColor] < colorCounts[(Card.CardColor)i])
{
greatestColor = (Card.CardColor)i;
}
}
// If more than one color has the highest number of cards, choose it
for (int i = 0; i < (Card.NUMBEROFCOLORS - 1); i++)
{
if (colorCounts[(Card.CardColor)i] == colorCounts[greatestColor])
{
colorsToChoose.Add((Card.CardColor)i);
}
}
// Randomly choose an appropriate color
game.WildColor = colorsToChoose[random.Next(0, colorsToChoose.Count)];
}
else
{
// Randomly choose a color
game.WildColor = Card.IntToCardColor(random.Next(0, 4));
}
}
// Play the card
SelectCard(selectedCard);
}
else
{
// Pickup a card if there's nothing else to play
PickupCard(true);
}
}
/// <summary>
/// Choose a card for the current player to play
/// </summary>
public CardPlayStatus PlaySelectedCard(Card card)
{
// Check if the card is allowed to be played
CardPlayStatus status = CanPlayCardStatus(card);
// Ask for the color for a wild card
if (card.Color == Card.CardColor.Wild)
{
if (game.CurrentPlayer.Type == Player.PlayerType.Human)
{
// Check if the card can be played before asking for wild colour
CardPlayStatus wildCheckStatus = CanPlayCardStatus(card);
if (wildCheckStatus != CardPlayStatus.Success)
{
return(wildCheckStatus);
}
// Show the color chooser dialog form
WildColorChooser wildColorChooser = new WildColorChooser();
wildColorChooser.ShowDialog();
// Check if a colour was chosen, or if the action was cancelled
if (wildColorChooser.DialogResult == DialogResult.OK)
{
// Remember the chosen wild color
game.WildColor = wildColorChooser.Color;
}
else
{
// Return that the user cancelled playing the card
return(CardPlayStatus.Cancelled);
}
}
else
{
Random random = new Random();
game.WildColor = Card.IntToCardColor(random.Next(0, 3));
}
}
// Check that the card is allowed
if (status == CardPlayStatus.Success)
{
// Move it to the discard pile
game.DiscardPile.Add(card);
game.CurrentGamePlayer.Cards.Remove(card);
// Perform action on action cards
performAction(card);
// Add to number of cards played statistic
game.CurrentGamePlayer.NumberOfCardsPlayed++;
// If the player is now finished, give them a rank
if (game.CurrentGamePlayer.Finished)
{
game.CurrentGamePlayer.FinishRank = game.NumberOfFinishedPlayers - 1;
}
if (!game.Options.EnableTeams && game.NumberOfFinishedPlayers == game.NumberOfPlayers - 1)
{
// Show the final results
Program.NewSortedPlayersView(game);
// Setting this bool to true to end the game without dialog box
gameView.closeGameWithoutDialog = true;
// Close the game view
gameView.Close();
return(status);
}
else if (game.Options.EnableTeams && game.NumberOfFinishedPlayers > 0)
{
int count = 0;
foreach (DictionaryEntry curgamePlayer in game.PlayersCards)
{
Player gamePlayer = (Player)curgamePlayer.Key;
Player currentPlayer = game.CurrentPlayer;
if (gamePlayer.Name == currentPlayer.Name)
{
game.WinningPlayer = count;
}
count++;
}
Program.NewSortedPlayersView(game);
gameView.closeGameWithoutDialog = true;
gameView.Close();
return(status);
}
else
{
// Setup next player, and update the game view
nextPlayer();
gameView.ReDraw();
}
}
return(status);
}