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         CMD_UNDO,
 112 };
 113
 114 enum difficulty {
 115         NORMAL,
 116         MEDIUM,
 117         EASY,
 118 };
 119 //}}}
 120
 121 typedef signed char card_t;
 122
 123 struct playfield {
 124         card_t s[MAX_STOCK]; /* stock */
 125         int z; /* stock size */
 126         int w; /* waste; index into stock (used foundations in spider) */
 127         card_t f[NUM_DECKS*NUM_SUITS][PILE_SIZE]; /* foundation */
 128         card_t t[NUM_PILES][PILE_SIZE]; /* tableu piles */
 129         struct undo {
 130                 int f; /* pile cards were taken from */
 131                 int t; /* pile cards were moved to */
 132                 int n; /* if tableu: number of cards moved */
 133                        /* else: index into stock/foundation */
 134                 int o; /* turn_over() fired? */
 135                 struct undo* prev;
 136                 struct undo* next;
 137         }* u;
 138 };
 139 struct opts {
 140 #ifdef SPIDER
 141         int m; /* difficulty mode */
 142 #endif
 143         int v; /* conserve vertical space */
 144         const struct scheme* s;
 145 };
 146 struct cursor {
 147         int pile;
 148         int opt; /* klondike: foundation id; spider: move nth movable card */
 149 };
 150 const struct cursor no_hi = {-1, -1};
 151 #define NO_HI &no_hi
 152
 153 struct undo undo_sentinel;
 154
 155 // help texts {{{
 156 #define SHORTHELP "%s [OPTIONS]\n"
 157 #ifdef KLONDIKE
 158 #define LONGHELP_SPECIFIC ""
 159 #define DIRECT_ADDR_KEYHELP \
 160         "    1 .. 7: directly address tableu\n" \
 161         "    8,9,0 : directly address stock/waste/foundation\n"
 162 #elif defined SPIDER
 163 #define LONGHELP_SPECIFIC \
 164         "    -d(ifficulty) (eady|medium|hard)\n"
 165 #define DIRECT_ADDR_KEYHELP \
 166         "    1 .. 0: directly address tableu\n"
 167 #endif
 168 #define LONGHELP \
 169         "OPTIONS:\n" \
 170         LONGHELP_SPECIFIC \
 171         "    -o(ption) (consv=conserve vertical space)\n" \
 172         "    -s(cheme) (color|mono|small)\n" \
 173         "    -h(elp)\n" \
 174         "\n"
 175 #define KEYHELP \
 176         "Keybindings:\n" \
 177         "    hjkl  : move cursor\n" \
 178         "    H, L  : move cursor to first/last tableu pile\n" \
 179         "    J, K  : join to here, show hint\n" \
 180         "    n, q  : new game, quit\n" \
 181         "    space : select at cursor\n" \
 182         "    return: draw from stock\n" \
 183         DIRECT_ADDR_KEYHELP
 184 //}}}
 185
 186 int sol(void);
 187 void quit(void);
 188 int find_top(card_t* pile);
 189 int first_movable(card_t* pile);
 190 int turn_over(card_t* pile);
 191 int check_won(void);
 192 int rank_next (card_t a, card_t b);
 193 int is_consecutive (card_t* pile, int pos);
 194 int is_movable(card_t* pile, int n);
 195 #ifdef KLONDIKE
 196 card_t stack_take(void);
 197 int t2f(int from, int to, int opt);
 198 int w2f(int from, int to, int opt);
 199 int s2w(int from, int to, int opt);
 200 int w2s(int from, int to, int opt);
 201 int f2t(int from, int to, int opt);
 202 int w2t(int from, int to, int opt);
 203 int t2t(int from, int to, int opt);
 204 #elif defined SPIDER
 205 int remove_if_complete (int pileno);
 206 int t2t(int from, int to, int opt);
 207 int s2t(int from, int to, int opt);
 208 int t2f(int from, int to, int opt);
 209 #endif
 210 int nop(int from, int to, int opt);
 211 void cursor_left (struct cursor* cursor);
 212 void cursor_down (struct cursor* cursor);
 213 void cursor_up (struct cursor* cursor);
 214 void cursor_right (struct cursor* cursor);
 215 int get_cmd (int* from, int* to, int* opt);
 216 void deal(void);
 217 void print_hi(int invert, int grey_bg, int bold, char* str);
 218 void print_table(const struct cursor* active, const struct cursor* inactive);
 219 void visbell (void);
 220 void win_anim(void);
 221 void undo_push (int f, int t, int n, int o);
 222 void undo_pop (struct undo* u);
 223 void free_undo (struct undo* u);
 224 void screen_setup (int enable);
 225 void raw_mode(int enable);
 226 void signal_handler (int signum);
 227 void signal_setup(void);
 228
 229 #endif