public Tile AIPickTileToDiscard(List <HandCombination> handCombs, Game game)
{
Tile discardTile = null;
if (!this.HasReached)
{
List <Tile> allTiles = new List <Tile>(this.HandZone.Tiles);
allTiles.AddRange(this.StealZone.Tiles);
allTiles.Sort(Tile.CompareTiles);
List <HandCombProbs> handCombProbs = new List <HandCombProbs>();
foreach (HandCombination handComb in handCombs)
{
List <Tile.TileProp> tileProp;
float prob = handComb.GetProbabilityOfCompletion(allTiles, game.TilesInGame, game, out tileProp);
HandCombProbs combProb = new HandCombProbs(handComb, tileProp, prob);
handCombProbs.Add(combProb);
}
handCombProbs.Sort(HandCombProbs.SortFunc);
while (handCombProbs.Count > 0 && discardTile == null)
{
HashSet <Tile.TileProp> tilePropSet = new HashSet <Tile.TileProp>();
foreach (HandCombProbs combProb in handCombProbs)
{
foreach (Tile.TileProp prop in combProb.necessaryTiles)
{
tilePropSet.Add(prop);
}
}
foreach (Tile tile in this.handZone.Tiles)
{
if (!tilePropSet.Contains(new Tile.TileProp(tile)))
{
discardTile = tile;
break;
}
}
if (discardTile == null)
{
handCombProbs.RemoveAt(handCombProbs.Count - 1);
}
}
}
if (discardTile == null)
{
discardTile = this.handZone.Tiles.Last();
}
return(discardTile);
}
public static int SortFunc(HandCombProbs x, HandCombProbs y)
{
if (x.prob < y.prob)
{
return(1);
}
else if (x.prob > y.prob)
{
return(-1);
}
else
{
return(0);
}
}
