public PokerAction(PokerAction other)
{
Kind = other.Kind;
Position = other.Position;
Amount = other.Amount;
Cards = other.Cards;
}
public void UpdateByAction(PokerAction action, GameDefinition gameDef)
{
if (action.Kind == Ak.b)
{
// Ignore this, can occur in strategy algorithms in the beginning of the game.
return;
}
Debug.Assert(action.Position <= Players.Length);
LastActor = action.Position;
switch (action.Kind)
{
case Ak.d:
if (DealsCount == 0)
{
OnFirstDeal(gameDef);
}
DealsCount++;
if (action.Position >= 0)
{
Players[action.Position].Hand = AddCards(Players[action.Position].Hand, action.Cards);
}
else
{
// Shared cards
foreach (PlayerState player in Players)
{
if (!player.IsFolded)
{
player.Hand = AddCards(player.Hand, action.Cards);
}
}
LastActor = GameState.DealerPosition;
}
break;
case Ak.f:
ProcessFold(action.Position);
break;
case Ak.c:
ProcessCall(action.Position, action.Amount, gameDef);
break;
case Ak.r:
ProcessRaise(action.Position, action.Amount);
break;
default:
throw new ApplicationException("Unknown action: " + action.ToGameString());
}
SetNextActor(gameDef);
}
public bool Equals(PokerAction o)
{
if (o == null)
{
return(false);
}
return(Kind == o.Kind &&
Position == o.Position &&
Amount == o.Amount &&
Cards == o.Cards);
}
private static bool VerifyAndAddAction(PokerAction parsedAction, List <PokerAction> actions, ref string error)
{
try
{
parsedAction.Verify();
}
catch (Exception e)
{
error = e.ToString();
return(false);
}
actions.Add(parsedAction);
return(true);
}
public override bool Equals(object obj)
{
PokerAction o = obj as PokerAction;
return(Equals(o));
}
/// <summary>
/// Parses actions is a string in game string format.
/// </summary>
/// <param name="gameString">string of actions</param>
/// <param name="startPos">starting position in gameString</param>
/// <param name="playerCount">Number of players to verify actions.</param>
/// <param name="actions">List to put parsed actions to</param>
/// <param name="error">Error message</param>
/// <param name="terminator">Terminator character, if found or '?'</param>
/// <returns>True if success.</returns>
internal static bool ParseActions(string gameString, int startPos, int playerCount, List <PokerAction> actions, ref string error, out char terminator)
{
char curChar;
terminator = '?';
for (; startPos < gameString.Length;)
{
// Skip whitespace
startPos = SkipWhiteSpace(gameString, startPos);
int nextPos = ReadActionBeginOrTerminator(gameString, startPos);
curChar = gameString[nextPos - 1];
if (curChar == ';' || curChar == '.')
{
// Terminator.
if (startPos + 1 < nextPos)
{
return(Error(out error, "Wrong text before terminator: " + gameString.Substring(startPos)));
}
terminator = curChar;
return(true);
}
PokerAction parsedAction = new PokerAction();
Ak kind;
if (!PokerAction.AkFromChar(curChar, out kind))
{
return(Error(out error, "Wrong character: " + curChar.ToString()));
}
parsedAction.Kind = kind;
switch (parsedAction.Kind)
{
case Ak.r:
case Ak.c:
case Ak.f:
if (!ParsePlayerPosition(ref error, gameString.Substring(startPos, nextPos - startPos - 1), playerCount, parsedAction))
{
return(false);
}
startPos = nextPos;
bool amountFound;
double amount;
if (!ReadAmount(gameString, ref startPos, ref error, out amountFound, out amount))
{
return(false);
}
if (amountFound)
{
if (parsedAction.Kind == Ak.f)
{
return(Error(out error, "No amount of fold is allowed."));
}
parsedAction.Amount = amount;
}
else if (parsedAction.Kind == Ak.r)
{
return(Error(out error, "Amount of raise is required"));
}
if (!VerifyAndAddAction(parsedAction, actions, ref error))
{
return(false);
}
continue;
case Ak.d:
if (!ParsePlayerPosition(ref error, gameString.Substring(startPos, nextPos - startPos - 1), playerCount, parsedAction))
{
return(false);
}
startPos = nextPos;
if (!ReadCards(gameString, ref startPos, ref error, parsedAction))
{
return(false);
}
if (!VerifyAndAddAction(parsedAction, actions, ref error))
{
return(false);
}
continue;
case Ak.b:
// This can be in calls from other classes that parse action lists.
startPos = nextPos;
if (!VerifyAndAddAction(parsedAction, actions, ref error))
{
return(false);
}
break;
default:
throw new ApplicationException("Don't know how to parse action kind: " + parsedAction.Kind.ToString());
}
}
return(true);
}
private static bool ParsePlayerPosition(ref string error, string text, int playerCount, PokerAction action)
{
if (text.Length == 0)
{
action.Position = -1;
return(true);
}
try
{
// This is much faster as parsing with the .Net functions.
action.Position = 0;
for (int i = 0; i < text.Length; ++i)
{
int digit = text[i] - '0';
if (digit < 0 || digit > 9)
{
return(Error(out error, String.Format("Wrong character in number: {0}", text)));
}
action.Position = action.Position * 10 + digit;
}
}
catch (Exception)
{
return(Error(out error, String.Format("Wrong player position: {1}", text)));
}
if (action.Position >= playerCount)
{
return(Error(out error, "Player position out of range number of players: " + text));
}
return(true);
}
private static bool ReadCards(string gameString, ref int curPos, ref string error, PokerAction parsedAction)
{
curPos = SkipWhiteSpace(gameString, curPos);
int nextPos;
for (nextPos = curPos; nextPos < gameString.Length; ++nextPos)
{
switch (gameString[nextPos])
{
case '{':
goto leftBraceFound;
}
}
return(Error(out error, "{ before the card list not found"));
leftBraceFound:
curPos = nextPos + 1;
for (nextPos = curPos; nextPos < gameString.Length; ++nextPos)
{
switch (gameString[nextPos])
{
case '}':
goto rightBraceFound;
}
}
return(Error(out error, "} after the card list not found"));
rightBraceFound:
parsedAction.Cards = gameString.Substring(curPos, nextPos - curPos);
// Allow empty card lists, this is required for strategy algorithms.
curPos = nextPos + 1;
return(true);
}