private void TestChows(IList <Tile> handTiles, Tile discardTile, MeldSide side,
IList <OutTurnOperation> operations)
{
if (!gameSettings.AllowChows)
{
return;
}
if (side != MeldSide.Left)
{
return;
}
var chows = MahjongLogic.GetChows(handTiles, discardTile, side);
if (chows.Any())
{
foreach (var chow in chows)
{
operations.Add(new OutTurnOperation
{
Type = OutTurnOperationType.Chow,
Tile = discardTile,
Meld = chow,
ForbiddenTiles = gameSettings.AllowDiscardSameAfterOpen
? null
: chow.GetForbiddenTiles(discardTile)
});
}
}
}
private void TestPongs(IList <Tile> handTiles, Tile discardTile, MeldSide side,
IList <OutTurnOperation> operations)
{
if (!gameSettings.AllowPongs)
{
return;
}
var pongs = MahjongLogic.GetPongs(handTiles, discardTile, side);
if (pongs.Any())
{
foreach (var pong in pongs)
{
operations.Add(new OutTurnOperation
{
Type = OutTurnOperationType.Pong,
Tile = discardTile,
Meld = pong,
ForbiddenTiles = gameSettings.AllowDiscardSameAfterOpen
? null
: pong.GetForbiddenTiles(discardTile)
});
}
}
}
public static IEnumerable <OpenMeld> GetPongs(IList <Tile> handTiles, Tile discardTile, MeldSide side)
{
var result = new HashSet <Meld>(Meld.MeldConsiderColorEqualityComparer);
var handTileList = new List <Tile>(handTiles);
var particularTiles = handTileList.FindAll(tile => tile.EqualsIgnoreColor(discardTile));
var combination = Combination(particularTiles, 2);
foreach (var item in combination)
{
item.Add(discardTile);
result.Add(new Meld(true, item.ToArray()));
}
return(result.Select(meld => new OpenMeld
{
Meld = meld,
Tile = discardTile,
Side = side
}));
}
public static IEnumerable <OpenMeld> GetChows(IList <Tile> handTiles, Tile discardTile, MeldSide side)
{
var result = new HashSet <Meld>(Meld.MeldConsiderColorEqualityComparer);
if (discardTile.Suit == Suit.Z)
{
return(new List <OpenMeld>());
}
var handTileList = new List <Tile>(handTiles);
GetChows1(handTileList, discardTile, result);
GetChows2(handTileList, discardTile, result);
GetChows3(handTileList, discardTile, result);
return(result.Select(meld => new OpenMeld
{
Meld = meld,
Tile = discardTile,
Side = side
}));
}
public static IEnumerable <OpenMeld> GetKongs(IList <Tile> handTiles, Tile discardTile, MeldSide side)
{
var result = new HashSet <Meld>(Meld.MeldConsiderColorEqualityComparer);
var tileList = new List <Tile>(handTiles)
{
discardTile
};
var handCount = CountTiles(handTiles);
int index = Tile.GetIndex(discardTile);
if (handCount[index] == 3)
{
var tiles = tileList.FindAll(t => Tile.GetIndex(t) == index);
result.Add(new Meld(true, tiles.ToArray()));
}
return(result.Select(meld => new OpenMeld
{
Meld = meld,
Tile = discardTile,
Side = side
}));
}
