/// <summary>
/// Given a move encoded in m, will perform all the necessary work to make the player reflect the move occuring.
/// </summary>
/// <param name="m">The move to make. It is assumed that the move is valid (and not null).</param>
/// <returns>Returns true if the move is valid and false otherwise.</returns>
public override bool MakePlay(MahjongMove m)
{
// We assume that the move we're given is valid, so let's jump right in
if (m.Pass)
{
return(true);
}
// Discarding is simple to deal with
if (m.Discard)
{
CardsInHand.PlayCard(m.DiscardedTile);
return(true);
}
// Melding takes a bit of work
// Note that if we're melding to declare mahjong, the meld is fixed and must happen, so we do it here always
if (m.Meld)
{
// First decide if we're upgrading a pung
bool upgrade = false;
if (m.MeldTiles.Kong)
{
foreach (MahjongMeld meld in Melds)
{
if (meld.Pung && meld.Cards.Contains(m.DiscardedTile))
{
upgrade = true;
break;
}
}
}
if (upgrade)
{
// If we're adding to a pung to make a kong, we only need to play the tile we drew (and we HAVE to have drawn the tile from the wall)
CardsInHand.PlayCard(m.DiscardedTile);
// We do also have to update the meld we already have
foreach (MahjongMeld meld in Melds)
{
if (meld.ConvertToKong(m.DiscardedTile)) // This will eventually work and fail all other times
{
break;
}
}
}
else
{
// Add the meld
Melds.Add(m.MeldTiles.Clone());
// We're not expanding a pung, so we don't have to worry about that case now
List <Card> meld = new List <Card>(m.MeldTiles.Cards);
if (!m.ConcealedMeld) // If this is a concealed meld, then we drew the tile we're currently melding
{
meld.Remove(m.DiscardedTile); // We don't need to play the tile we don't technically have yet
}
foreach (Card c in meld)
{
CardsInHand.PlayCard(c);
}
}
}
// If we have Mahjong, we need to put whatever is left of the player's hand into melds
// This can occur as a meld is declared, so we don't return early before to catch that case here
if (m.Mahjong)
{
List <MahjongMeld> mm = MahjongStaticFunctions.BestMahjong(CardsInHand, Melds, SeatWind, PrevailingWind, m.SelfPick);
if (mm != null) // This should always be the case, but let's be careful
{
Melds = mm;
}
}
return(true);
}
