mdw@git.distorted.org.uk Git - sgt/puzzles/blob - puzzles.h

   1 /*
   2  * puzzles.h: header file for my puzzle collection
   3  */
   4
   5 #ifndef PUZZLES_PUZZLES_H
   6 #define PUZZLES_PUZZLES_H
   7
   8 #ifndef TRUE
   9 #define TRUE 1
  10 #endif
  11 #ifndef FALSE
  12 #define FALSE 0
  13 #endif
  14
  15 #define lenof(array) ( sizeof(array) / sizeof(*(array)) )
  16
  17 enum {
  18     LEFT_BUTTON = 0x1000,
  19     MIDDLE_BUTTON,
  20     RIGHT_BUTTON
  21 };
  22
  23 #define IGNORE(x) ( (x) = (x) )
  24
  25 typedef struct frontend frontend;
  26 typedef struct midend_data midend_data;
  27 typedef struct random_state random_state;
  28 typedef struct game_params game_params;
  29 typedef struct game_state game_state;
  30 typedef struct game_drawstate game_drawstate;
  31
  32 /*
  33  * Platform routines
  34  */
  35 void fatal(char *fmt, ...);
  36 void frontend_default_colour(frontend *fe, float *output);
  37 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour);
  38 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour);
  39 void draw_polygon(frontend *fe, int *coords, int npoints,
  40                   int fill, int colour);
  41 void start_draw(frontend *fe);
  42 void draw_update(frontend *fe, int x, int y, int w, int h);
  43 void end_draw(frontend *fe);
  44 void deactivate_timer(frontend *fe);
  45 void activate_timer(frontend *fe);
  46
  47 /*
  48  * midend.c
  49  */
  50 midend_data *midend_new(frontend *fe);
  51 void midend_free(midend_data *me);
  52 void midend_set_params(midend_data *me, game_params *params);
  53 void midend_size(midend_data *me, int *x, int *y);
  54 void midend_new_game(midend_data *me, char *seed);
  55 void midend_restart_game(midend_data *me);
  56 void midend_undo(midend_data *me);
  57 void midend_redo(midend_data *me);
  58 int midend_process_key(midend_data *me, int x, int y, int button);
  59 void midend_redraw(midend_data *me);
  60 float *midend_colours(midend_data *me, int *ncolours);
  61 void midend_timer(midend_data *me, float tplus);
  62
  63 /*
  64  * malloc.c
  65  */
  66 void *smalloc(int size);
  67 void *srealloc(void *p, int size);
  68 void sfree(void *p);
  69 char *dupstr(char *s);
  70 #define snew(type) \
  71     ( (type *) smalloc (sizeof (type)) )
  72 #define snewn(number, type) \
  73     ( (type *) smalloc ((number) * sizeof (type)) )
  74 #define sresize(array, number, type) \
  75     ( (type *) srealloc ((array), (number) * sizeof (type)) )
  76
  77 /*
  78  * random.c
  79  */
  80 random_state *random_init(char *seed, int len);
  81 unsigned long random_upto(random_state *state, unsigned long limit);
  82 void random_free(random_state *state);
  83
  84 /*
  85  * Game-specific routines
  86  */
  87 game_params *default_params(void);
  88 void free_params(game_params *params);
  89 char *new_game_seed(game_params *params);
  90 game_state *new_game(game_params *params, char *seed);
  91 game_state *dup_game(game_state *state);
  92 void free_game(game_state *state);
  93 game_state *make_move(game_state *from, int x, int y, int button);
  94 void game_size(game_params *params, int *x, int *y);
  95 float *game_colours(frontend *fe, game_state *state, int *ncolours);
  96 game_drawstate *game_new_drawstate(game_state *state);
  97 void game_free_drawstate(game_drawstate *ds);
  98 void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
  99                  game_state *newstate, float t);
 100 float game_anim_length(game_state *oldstate, game_state *newstate);
 101
 102 #endif /* PUZZLES_PUZZLES_H */