sol.h

   1 #ifndef __SOL_H__
   2 #define __SOL_H__
   3
   4 // enums and constants {{{
   5 #define DECK_SIZE 52
   6 #ifdef KLONDIKE
   7 #define NUM_PILES 7
   8 #define MAX_HIDDEN 6 /*how many cards are turned over at most in a tableu pile*/
   9 #define MAX_STOCK 24 /*how many cards can be in the stock at most (=@start)*/
  10 #define NUM_DECKS 1
  11 #define PILE_SIZE MAX_HIDDEN+NUM_RANKS
  12 #elif defined SPIDER
  13 #define MAX_HIDDEN 5
  14 #define NUM_PILES 10
  15 #define MAX_STOCK 50 /*how many cards can be dealt onto the piles*/
  16 #define NUM_DECKS 2
  17 #define PILE_SIZE DECK_SIZE*NUM_DECKS /* no maximum stack size in spider :/ */
  18 #endif
  19
  20 enum cards {
  21         NO_CARD,
  22         CLU_A,  DIA_A,  HEA_A,  SPA_A,
  23         CLU_2,  DIA_2,  HEA_2,  SPA_2,
  24         CLU_3,  DIA_3,  HEA_3,  SPA_3,
  25         CLU_4,  DIA_4,  HEA_4,  SPA_4,
  26         CLU_5,  DIA_5,  HEA_5,  SPA_5,
  27         CLU_6,  DIA_6,  HEA_6,  SPA_6,
  28         CLU_7,  DIA_7,  HEA_7,  SPA_7,
  29         CLU_8,  DIA_8,  HEA_8,  SPA_8,
  30         CLU_9,  DIA_9,  HEA_9,  SPA_9,
  31         CLU_X,  DIA_X,  HEA_X,  SPA_X,
  32         CLU_J,  DIA_J,  HEA_J,  SPA_J,
  33         CLU_Q,  DIA_Q,  HEA_Q,  SPA_Q,
  34         CLU_K,  DIA_K,  HEA_K,  SPA_K,
  35         _NUM_CARDS_internal
  36 };
  37 enum colors {
  38         BLK,
  39         RED,
  40         NUM_COLORS
  41 };
  42 enum suits {
  43         CLUBS,
  44         DIAMONDS,
  45         HEARTS,
  46         SPADES,
  47         NUM_SUITS
  48 };
  49 enum ranks {
  50         RANK_A,
  51         RANK_2,
  52         RANK_3,
  53         RANK_4,
  54         RANK_5,
  55         RANK_6,
  56         RANK_7,
  57         RANK_8,
  58         RANK_9,
  59         RANK_X,
  60         RANK_J,
  61         RANK_Q,
  62         RANK_K,
  63         NUM_RANKS
  64 };
  65
  66 enum action_return {
  67         OK,  /*move successful*/
  68         ERR, /*invalid move*/
  69         WON, /*game won*/
  70 };
  71 enum game_states {
  72         GAME_NEW,
  73         GAME_WON,
  74         GAME_QUIT,
  75 };
  76
  77 /* WARN: stock must always follow immediately after `TAB_*`! */
  78 #define TAB_MAX (STOCK-1)
  79 enum field_places {
  80         TAB_1,
  81         TAB_2,
  82         TAB_3,
  83         TAB_4,
  84         TAB_5,
  85         TAB_6,
  86         TAB_7,
  87 #ifdef SPIDER
  88         TAB_8,
  89         TAB_9,
  90         TAB_10,
  91         STOCK,
  92 #define WASTE 0            /* for action[][10] (must be valid index) */
  93 #define TABLEU STOCK+1     /* for undo{.t} (value never read) */
  94 #define FOUNDATION STOCK+2 /* for undo{.t} (must be unique) */
  95 #elif defined KLONDIKE
  96         STOCK,
  97         WASTE,
  98         FOUNDATION,
  99 #endif
 100         NUM_PLACES,
 101 };
 102 enum special_cmds {
 103         CMD_MOVE,
 104         CMD_INVAL,
 105         CMD_NONE,
 106         CMD_QUIT,
 107         CMD_NEW,
 108         CMD_AGAIN,
 109         CMD_HINT,
 110         CMD_JOIN,
 111 };
 112
 113 enum difficulty {
 114         NORMAL,
 115         MEDIUM,
 116         EASY,
 117 };
 118 //}}}
 119
 120 typedef signed char card_t;
 121
 122 struct playfield {
 123         card_t s[MAX_STOCK]; /* stock */
 124         int z; /* stock size */
 125         int w; /* waste; index into stock (const -1 in spider) */
 126         card_t f[NUM_DECKS*NUM_SUITS][PILE_SIZE]; /* foundation */
 127         card_t t[NUM_PILES][PILE_SIZE]; /* tableu piles */
 128         struct undo {
 129                 int f; /* pile cards were taken from */
 130                 int t; /* pile cards were moved to */
 131                 int n; /* if tableu: number of cards moved */
 132                        /* else: index into stock/foundation */
 133                 struct undo* prev;
 134                 struct undo* next;
 135         }* u;
 136 };
 137 struct opts {
 138 #ifdef SPIDER
 139         int m; /* difficulty mode */
 140 #endif
 141         int v; /* conserve vertical space */
 142         const struct scheme* s;
 143 };
 144 struct cursor {
 145         int pile;
 146         int opt; /* klondike: foundation id; spider: move nth movable card */
 147 };
 148 const struct cursor no_hi = {-1, -1};
 149 #define NO_HI &no_hi
 150
 151 // help texts {{{
 152 #define SHORTHELP "%s [OPTIONS]\n"
 153 #ifdef KLONDIKE
 154 #define LONGHELP_SPECIFIC ""
 155 #define DIRECT_ADDR_KEYHELP \
 156         "    1 .. 7: directly address tableu\n" \
 157         "    8,9,0 : directly address stock/waste/foundation\n"
 158 #elif defined SPIDER
 159 #define LONGHELP_SPECIFIC \
 160         "    -d(ifficulty) (eady|medium|hard)\n"
 161 #define DIRECT_ADDR_KEYHELP \
 162         "    1 .. 0: directly address tableu\n"
 163 #endif
 164 #define LONGHELP \
 165         "OPTIONS:\n" \
 166         LONGHELP_SPECIFIC \
 167         "    -o(ption) (consv=conserve vertical space)\n" \
 168         "    -s(cheme) (color|mono|small)\n" \
 169         "    -h(elp)\n" \
 170         "\n"
 171 #define KEYHELP \
 172         "Keybindings:\n" \
 173         "    hjkl  : move cursor\n" \
 174         "    H, L  : move cursor to first/last tableu pile\n" \
 175         "    J, K  : join to here, show hint\n" \
 176         "    n, q  : new game, quit\n" \
 177         "    space : select at cursor\n" \
 178         "    return: draw from stock\n" \
 179         DIRECT_ADDR_KEYHELP
 180 //}}}
 181
 182 int sol(void);
 183 void quit(void);
 184 int find_top(card_t* pile);
 185 int first_movable(card_t* pile);
 186 int turn_over(card_t* pile);
 187 int check_won(void);
 188 int rank_next (card_t a, card_t b);
 189 int is_consecutive (card_t* pile, int pos);
 190 int is_movable(card_t* pile, int n);
 191 #ifdef KLONDIKE
 192 card_t stack_take(void);
 193 int t2f(int from, int to, int opt);
 194 int w2f(int from, int to, int opt);
 195 int s2w(int from, int to, int opt);
 196 int w2s(int from, int to, int opt);
 197 int f2t(int from, int to, int opt);
 198 int w2t(int from, int to, int opt);
 199 int t2t(int from, int to, int opt);
 200 #elif defined SPIDER
 201 void remove_if_complete (int pileno);
 202 int t2t(int from, int to, int opt);
 203 int s2t(int from, int to, int opt);
 204 #endif
 205 int nop(int from, int to, int opt);
 206 void cursor_left (struct cursor* cursor);
 207 void cursor_down (struct cursor* cursor);
 208 void cursor_up (struct cursor* cursor);
 209 void cursor_right (struct cursor* cursor);
 210 int get_cmd (int* from, int* to, int* opt);
 211 void deal(void);
 212 void print_hi(int invert, int grey_bg, int bold, char* str);
 213 void print_table(const struct cursor* active, const struct cursor* inactive);
 214 void visbell (void);
 215 void win_anim(void);
 216 void undo_push (int f, int t, int n);
 217 void undo_pop (struct undo* u);
 218 void free_undo (struct undo* u);
 219 void screen_setup (int enable);
 220 void raw_mode(int enable);
 221 void signal_handler (int signum);
 222 void signal_setup(void);
 223
 224 #endif