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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef POKER_H
#define POKER_H
#include <qstring.h>
#include <krandomsequence.h>
#include <kdebug.h>
// ================================================================
// Card classes
// FIXME: DECK should be renamed to NO_CARD and moved to -1. (or maybe not)
// FIXME: Add Joker as well.
//
typedef enum {
DECK=0,
C_TWO, D_TWO, S_TWO, H_TWO,
C_THREE, D_THREE, S_THREE, H_THREE,
C_FOUR, D_FOUR, S_FOUR, H_FOUR,
C_FIVE, D_FIVE, S_FIVE, H_FIVE,
C_SIX, D_SIX, S_SIX, H_SIX,
C_SEVEN, D_SEVEN, S_SEVEN, H_SEVEN,
C_EIGHT, D_EIGHT, S_EIGHT, H_EIGHT,
C_NINE, D_NINE, S_NINE, H_NINE,
C_TEN, D_TEN, S_TEN, H_TEN,
C_JACK, D_JACK, S_JACK, H_JACK,
C_QUEEN, D_QUEEN, S_QUEEN, H_QUEEN,
C_KING, D_KING, S_KING, H_KING,
C_ACE, D_ACE, S_ACE, H_ACE,
ROOF // to get a roof on the value.
} CardValue;
const CardValue lowestCard = C_TWO;
const CardValue highestCard = H_ACE;
const int numCards = (int) H_ACE;
typedef enum {
Clubs = 0, // The least valuable suit
Diamonds,
Spades,
Hearts // The most valuable suit
} CardSuit;
typedef enum {
TWO = 0, // The least valuable rank
THREE,
FOUR,
FIVE,
SIX,
SEVEN,
EIGHT,
NINE,
TEN,
JACK,
QUEEN,
KING,
ACE // The most valuable rank
} CardRank;
inline CardValue
operator+(CardValue card, int offset)
{
return (CardValue) ((int) card + offset);
}
// Get the suit from a card.
inline CardSuit
suit(CardValue card)
{
// Need to subtract one since DECK == 0.
return (CardSuit) (((int) card - 1) % 4);
}
// Get the rank from a card
inline CardRank
rank(CardValue card)
{
// Need to subtract one since DECK == 0.
return (CardRank) (((int) card - 1) / 4);
}
// Add an offset (can be negative) to a rank.
//
// NOTE: No overflow check is done. This is mainly used for type
// conversion reasons.
inline CardRank
operator+(CardRank rank1, int offset)
{
return (CardRank) ((int) rank1 + offset);
}
// Get the first card of a certain rank. This is the same rank of clubs.
inline CardValue
rank2card(CardRank rank)
{
return (CardValue) (((int) rank) * 4 + 1);
}
// ----------------------------------------------------------------
// Class CardDeck
class CardDeck {
public:
CardDeck(KRandomSequence *random);
~CardDeck();
void reset();
void shuffle();
CardValue getTopCard();
private:
CardValue m_cards[numCards];
int m_topCard;
KRandomSequence *m_random;
};
// ----------------------------------------------------------------
// Poker related
typedef enum {
HighCard,
Pair,
TwoPairs,
ThreeOfAKind,
Straight,
Flush,
FullHouse,
FourOfAKind,
StraightFlush,
RoyalFlush
} PokerHandType;
// Name strings for all the hands
extern QString PokerHandNames[];
// Number of cards in the hand.
const int PokerHandSize = 5;
class PokerHand {
public:
PokerHand();
~PokerHand();
// Operators
bool operator<(PokerHand &hand2);
// Clear the hand or just one card - set the entries in question to DECK.
void clear();
void clear(int cardno);
// Card stuff
CardValue getCard(int cardno) const;
void setCard(int cardno, CardValue card);
bool findRank(CardRank rank) const;
bool findSuit(CardSuit suit) const;
CardValue findNextBest(CardValue roof, bool onlyFound) const;
// Poker stuff
int testStraight();
bool testFlush();
PokerHandType analyze();
CardRank get_firstRank() const { return m_firstRank; }
CardRank get_secondRank() const { return m_secondRank; }
bool getFoundCard(int cardNum) const;
int getCardScore() const;
protected:
// Clear the foundCards array.
void cleanFoundCards();
// Handle the "found" cards, i.e. those that comprise the scoring part.
void addFoundCard(int cardNum);
// Analyze the poker hand. This is the most important function of all.
PokerHandType do_analyze();
private:
// Primary data: The cards themselves.
CardValue m_cards[PokerHandSize];
// ----------------------------------------------------------------
// Secondary data: can be derived from the Primary data.
bool m_changed; // true if something has changed since the
// secondary data was last recalculated.
PokerHandType m_type; // Pair, Two Pairs, etc
CardRank m_firstRank; // Rank of first component
CardRank m_secondRank; // Rank of second component
bool m_foundCards[PokerHandSize]; // True for all scoring cards
};
#endif
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