cardreel.h

gehe zur Dokumentation dieser Datei

/* -*- coding: utf-8 -*- */
/***********************************************************************
 *
 * $Id: cardreel.h,v 1.1 2010/12/21 21:38:31 elias Exp elias $
 * Diese Datei gehört zur Virtuellen Zockhalle
 *
 * Virtuelle Zockhalle 
 * (c) 2010 Elias Schwerdtfeger
 * http://www.tamagothi.de/
 *
 * Dieses Programm ist freie Software, lizenziert unter den sinngemäß
 * anzuwendenden Bedingungen meiner Lizenz für freie Musik,
 * http://www.tamagothi.de/alben/lizenz.html
 *
 ***********************************************************************/

#ifndef _CARDREEL_H
#define _CARDREEL_H

#include "elements.h"



#define _CARD_SUIT_BITS (3)

#define _CARD_VALUE_BITS (4)

typedef unsigned short int card_t;

enum card_suit
  {
    SUIT_INVALID,
    SUIT_DIAMONDS,
    SUIT_HEARTS,
    SUIT_SPADES,
    SUIT_CLUBS,
    SUIT_JOKER
  };

enum card_value
  {
    VAL_INVALID,
    VAL_ACE,
    VAL_2,
    VAL_3,
    VAL_4,
    VAL_5,
    VAL_6,
    VAL_7,
    VAL_8,
    VAL_9,
    VAL_10,
    VAL_JACK,
    VAL_QUEEN,
    VAL_KING,
    VAL_JOKER
  };

#define _mkcard(SUIT, VALUE) \
  (((SUIT) & ((1 << _CARD_SUIT_BITS) - 1)) | ((VALUE) << _CARD_SUIT_BITS))

#define CARD_INVALID \
  _mkcard (SUIT_INVALID, VAL_INVALID)

#define CARD_JOKER \
  _mkcard (SUIT_JOKER, VAL_JOKER)

#define card_suit(CARD) \
  ((enum card_suit) ((CARD) & ((1 << _CARD_SUIT_BITS) - 1)))

#define card_value(CARD) \
  ((enum card_value) ((CARD) >> _CARD_SUIT_BITS))

#define card_is_joker(CARD) \
  ((CARD) == CARD_JOKER)

#define card_is_valid(CARD) \
  (card_suit (CARD) != SUIT_INVALID && card_value (CARD) != VAL_INVALID)

#define card_is_invalid(CARD) \
  (!card_is_valid ((CARD)))

enum pokerhand
  {
    PHND_NO_HAND,
    PHND_ONE_PAIR,
    PHND_TWO_PAIRS,
    PHND_THREE_OF_A_KIND,
    PHND_STRAIGHT,
    PHND_FLUSH,
    PHND_FULL_HOUSE,
    PHND_FOUR_OF_A_KIND,
    PHND_STRAIGHT_FLUSH,
    PHND_ROYAL_FLUSH,
    PHND_FIVE_OF_A_KIND
  };



struct poker_result
{
  enum pokerhand hand;
  int hold[5];
  int draw_hold;
  enum card_value pair_1_value;
  enum card_value pair_2_value;
  enum card_value value;
  enum card_suit suit;
};

void cards_init (unsigned njokers);
void cards_shuffle (void);
card_t cards_draw (void);
void cards_peek (unsigned n, card_t *peek_ar);
int get_poker_combination (const card_t c[5], struct poker_result *r);
const char *get_card_suit_name (card_t c);
const char *get_card_value_name (card_t c);
const char *get_card_name (card_t c, char *buf, size_t bufsz);
const char *get_hand_name (enum pokerhand hand);

#endif /* _CARDREEL_H */