//Returns the number of matching tiles in the collection
public int CountOf(TileID id, int accessKey = 0)
{
if ((accessKey != _accessKey) && _accessKey != 0)
{
return(-1);
}
int count = 0;
for (int i = 0; i < Count; i++)
{
if (tileIDs[i] == id)
{
count++;
}
}
return(count);
}
//Checks the given tile ID to see if the hand may contain a loose tile of it after a discard
//If loose, adds the tile to the loose tile list.
private void CheckIfNewLoose(TileID tile)
{
int index = hand.Tiles.Closed.IndexOf(tile, accessKey);
if (index == -1)
{
return;
}
if (hand.Tiles.Closed.CountOf(tile, accessKey) >= 2)
{
return;
}
if (IsLoose(hand.Tiles.Closed[index]))
{
LooseTiles.Add(hand.Tiles.Closed[index], accessKey);
}
}
//Returns true if the tile qualifies as loose. Does not add it to the loose tiles collection.
private bool IsLoose(Tile tile)
{
int index = hand.Tiles.Closed.IndexOf(tile, accessKey);
if (index == -1)
{
return(false);
}
if (index > 0 && TileID.InSameSuji(hand.Tiles.Closed[index - 1].Query(accessKey), tile.Query(accessKey)))
{
return(false);
}
if (index + 1 < hand.Tiles.Closed.Count && TileID.InSameSuji(hand.Tiles.Closed[index + 1].Query(accessKey), tile.Query(accessKey)))
{
return(false);
}
return(true);
}
//Returns all potential melds that are waiting on the given tile ID
public List <PotentialMeld> GetWaitingMelds(TileID tile)
{
List <PotentialMeld> list = new List <PotentialMeld>();
for (int i = 0; i < Melds.Count; i++)
{
if (!(Melds[i].Completed) && (tile.Suit == Melds[i].Suit))
{
for (int j = 0; j < Melds[i].Waits.Count; j++)
{
if (Melds[i].Waits[j].tile == tile)
{
list.Add(Melds[i]);
break;
}
}
}
}
return(list);
}
//***********************************************************************
//**************************** Basic Methods ****************************
//***********************************************************************
//Adds the tile to the collection
//Note: if the tile is locked with a different access key, will not add
public void Add(Tile tile, int accessKey = 0)
{
if ((accessKey != _accessKey) && _accessKey != 0)
{
return;
}
if (Contains(tile, _accessKey))
{
return;
}
TileID id = tile.Query(_accessKey);
if (id == TileID.Hidden)
{
return;
}
tiles.Add(tile);
tileIDs.Add(id);
}
//Returns the number of matching tiles in the collection
new public int CountOf(TileID id, int accessKey = 0)
{
if ((accessKey != _accessKey) && _accessKey != 0)
{
return(-1);
}
int index = IndexOf(id, _accessKey);
if (index == -1)
{
return(0);
}
int count = 1;
while (index + count < this.Count && tileIDs[index + count] == id)
{
count++;
}
return(count);
}
//Returns the index of the first matching tile or -1 if not found
new public int IndexOf(TileID id, int accessKey = 0)
{
if ((accessKey != _accessKey) && _accessKey != 0)
{
return(-1);
}
int i = 0;
while (i < tileIDs.Count && tileIDs[i] != id)
{
i++;
}
if (i < tileIDs.Count)
{
return(i);
}
else
{
return(-1);
}
}
//Gets the first naki of the type in the meld list
//...[that involves the given TileID, if that arg is passed]
private Naki GetNaki(NakiType type, TileID involving = null)
{
int i = 0;
while (i < calls.Count && calls[i].type != type)
{
i++;
}
if (i == calls.Count)
{
return new Naki()
{
type = NakiType.Nashi /*, requestor = player*/
}
}
;
else
{
return(calls[i]);
}
}
//Adds all the waiting versions of a completed meld. Returns the number added.
private int AddPotentialVersions(PotentialMeld completed)
{
int count = 0;
PotentialMeld meld;
if (completed.Type == Meld.MeldType.Koutsu)
{
//Potential koutsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Koutsu,
};
meld.Add(completed.IDs[0]); meld.Add(completed.IDs[0]);
meld.Waits.Add(new Wait(WaitType.Kantsu, completed.IDs[0]));
AddMeld(meld);
count++;
}
else if (completed.Type == Meld.MeldType.Shuntsu)
{
//Potential shuntsu lower
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
};
TileID t1 = completed.IDs[0];
TileID t2 = completed.IDs[1];
TileID t3 = completed.IDs[2];
meld.Add(t1); meld.Add(t2);
if (t1.Number == 1)
{
meld.Waits.Add(new Wait(WaitType.Penchan, new TileID(t1.Suit, 3)));
}
else
{
meld.Waits.Add(new Wait(WaitType.Ryanmen, new TileID(t1.Suit, (byte)(t1.Number - 1))));
meld.Waits.Add(new Wait(WaitType.Ryanmen, t3));
}
AddMeld(meld);
count++;
//Potential shuntsu upper
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
};
meld.Add(t2); meld.Add(t3);
if (t3.Number == 9)
{
meld.Waits.Add(new Wait(WaitType.Penchan, new TileID(t1.Suit, 7)));
}
else
{
meld.Waits.Add(new Wait(WaitType.Ryanmen, t1));
meld.Waits.Add(new Wait(WaitType.Ryanmen, new TileID(t1.Suit, (byte)(t3.Number + 1))));
}
AddMeld(meld);
count++;
//Potential shuntsu center (kanchan)
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
};
meld.Add(t1); meld.Add(t3);
meld.Waits.Add(new Wait(WaitType.Kanchan, t2));
AddMeld(meld);
count++;
}
return(count);
}
//Checks up to the next 3 tiles in the list and adds any potential melds to the collection
//Returns the number of potential melds added.
private CheckForwardResponse CheckForward(int index)
{
CheckForwardResponse info = new CheckForwardResponse
{
count = 0,
};
List <TileID> list = hand.Tiles.Closed.GetTileIDList(accessKey);
PotentialMeld meld;
TileID t1 = TileID.Invalid, t2 = TileID.Invalid, t3 = TileID.Invalid, t4 = TileID.Invalid;
t1 = list[index];
//First rule out any obvious disqualifiers
if (index + 1 < list.Count)
{
t2 = list[index + 1];
}
else
{
return(info); //index is last tile in list
}
if (t2.Suit != t1.Suit)
{
return(info); //next suit different
}
if (t1.Jihai && t1.Number != t2.Number)
{
return(info); //different honor
}
//Set the next tileIDs
if (index + 2 < list.Count)
{
t3 = list[index + 2];
}
if (index + 3 < list.Count)
{
t4 = list[index + 3];
}
//Check for koutsu/kantsu
if (t2 == t1)
{
if (t3 == t1)
{
if (t4 == t1)
{
//4 of the same tile
//Completed kantsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Kantsu,
Completed = true
};
meld.Add(t1); meld.Add(t1); meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
//Completed koutsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Koutsu,
Completed = true
};
meld.Add(t1); meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
//Completed jantou
meld = new PotentialMeld()
{
Type = Meld.MeldType.Jantou,
Completed = true,
};
meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 2], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 3], accessKey);
}
else
{
//3 of the same tile.
//Potential kantsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Kantsu,
};
meld.Add(t1); meld.Add(t1); meld.Add(t1);
meld.Waits.Add(new Wait(WaitType.Kantsu, t1));
AddMeld(meld);
info.count++;
//Completed koutsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Koutsu,
Completed = true
};
meld.Add(t1); meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
//Add potential koutsu
info.count += AddPotentialVersions(meld);
//Completed jantou
meld = new PotentialMeld()
{
Type = Meld.MeldType.Jantou,
Completed = true,
};
meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 2], accessKey);
}
}
else
{
//2 of the same tile
//Potential koutsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Koutsu,
};
meld.Add(t1); meld.Add(t1);
meld.Waits.Add(new Wait(WaitType.Koutsu, t1));
AddMeld(meld);
info.count++;
//Completed jantou
meld = new PotentialMeld()
{
Type = Meld.MeldType.Jantou,
Completed = true,
};
meld.Add(t1); meld.Add(t1);
AddMeld(meld);
info.count++;
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
}
}
//Check for shuntsu
else
{
if (t2.Number - t1.Number == 1)
{
if (t3.Suit == t1.Suit && t3.Number - t2.Number == 1)
{
//Completed shuntsu
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
Completed = true
};
meld.Add(t1); meld.Add(t2); meld.Add(t3);
AddMeld(meld);
info.count++;
//Add all the potential shuntsu
info.count += AddPotentialVersions(meld);
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 2], accessKey);
}
else
{
//Potential shuntsu with an outer wait
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
};
meld.Add(t1); meld.Add(t2);
if (t1.Number == 1)
{
meld.Waits.Add(new Wait(WaitType.Penchan, new TileID(t1.Suit, 3)));
}
else if (t2.Number == 9)
{
meld.Waits.Add(new Wait(WaitType.Penchan, new TileID(t1.Suit, 7)));
}
else
{
meld.Waits.Add(new Wait(WaitType.Ryanmen, new TileID(t1.Suit, (byte)(t1.Number - 1))));
meld.Waits.Add(new Wait(WaitType.Ryanmen, new TileID(t1.Suit, (byte)(t2.Number + 1))));
}
AddMeld(meld);
info.count++;
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
}
}
else if (t2.Number - t1.Number == 2)
{
//Potential shuntsu with a kanchan (inner) wait
meld = new PotentialMeld()
{
Type = Meld.MeldType.Shuntsu,
};
meld.Add(t1); meld.Add(t2);
meld.Waits.Add(new Wait(WaitType.Kanchan, new TileID(t1.Suit, (byte)(t1.Number + 1))));
AddMeld(meld);
info.count++;
LooseTiles.Remove(hand.Tiles.Closed[index], accessKey);
LooseTiles.Remove(hand.Tiles.Closed[index + 1], accessKey);
}
}
return(info);
}
public bool GreaterOrEqual(TileID t1, TileID t2)
{
return(LessThan(t2, t1) || (t1 == t2));
}
public bool LessOrEqual(TileID t1, TileID t2)
{
return(LessThan(t1, t2) || (t1 == t2));
}
public bool GreaterThan(TileID t1, TileID t2)
{
return(LessThan(t2, t1));
}
public Wait(WaitType t, TileID id)
{
tile = id;
type = t;
}
//Creates a copy of the tile. Used for access safety
public TileID Copy()
{
TileID tile = new TileID(this.Suit, this.Number, this.Aka);
return(tile);
}
//Removes the first occurrence of the tile
public void Remove(TileID tile)
{
_ids.Remove(tile);
}